glfw: Add DLL build results

This also adds fixes for 32bit machines.
This commit is contained in:
Hajime Hoshi 2018-12-29 23:40:56 +09:00
parent 90f82de5ef
commit ad285c2235
31 changed files with 17804 additions and 0 deletions

1
go.mod
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@ -14,6 +14,7 @@ require (
github.com/theckman/go-flock v0.6.0
golang.org/x/image v0.0.0-20180926015637-991ec62608f3
golang.org/x/mobile v0.0.0-20180907224111-0ff817254b04
golang.org/x/sync v0.0.0-20181221193216-37e7f081c4d4 // indirect
golang.org/x/sys v0.0.0-20180814072032-4e1fef560951
golang.org/x/tools v0.0.0-20181023010539-40a48ad93fbe // indirect
gopkg.in/check.v1 v1.0.0-20180628173108-788fd7840127 // indirect

2
go.sum
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@ -43,6 +43,8 @@ golang.org/x/image v0.0.0-20180926015637-991ec62608f3/go.mod h1:ux5Hcp/YLpHSI86h
golang.org/x/mobile v0.0.0-20180806140643-507816974b79/go.mod h1:z+o9i4GpDbdi3rU15maQ/Ox0txvL9dWGYEHz965HBQE=
golang.org/x/mobile v0.0.0-20180907224111-0ff817254b04 h1:quPNpjsj/QWqlvWw4OdGlA+ct0TPbmdJXYofkRod1Xo=
golang.org/x/mobile v0.0.0-20180907224111-0ff817254b04/go.mod h1:z+o9i4GpDbdi3rU15maQ/Ox0txvL9dWGYEHz965HBQE=
golang.org/x/sync v0.0.0-20181221193216-37e7f081c4d4 h1:YUO/7uOKsKeq9UokNS62b8FYywz3ker1l1vDZRCRefw=
golang.org/x/sync v0.0.0-20181221193216-37e7f081c4d4/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
golang.org/x/sys v0.0.0-20180806082429-34b17bdb4300/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
golang.org/x/sys v0.0.0-20180814072032-4e1fef560951 h1:VfGaXvV9wRnTJreeGDE0FWEDiQP1WWUDmutCjCThDz8=
golang.org/x/sys v0.0.0-20180814072032-4e1fef560951/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=

154
internal/glfw/gen.go Normal file
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@ -0,0 +1,154 @@
// Copyright 2018 The Ebiten Authors
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
// +build ignore
package main
import (
"fmt"
"os"
"os/exec"
"path/filepath"
"strings"
"golang.org/x/sync/errgroup"
)
var srcs = []string{
"glfw/src/context.c",
"glfw/src/init.c",
"glfw/src/input.c",
"glfw/src/monitor.c",
"glfw/src/vulkan.c",
"glfw/src/window.c",
"glfw/src/win32_init.c",
"glfw/src/win32_joystick.c",
"glfw/src/win32_monitor.c",
"glfw/src/win32_time.c",
"glfw/src/win32_tls.c",
"glfw/src/win32_window.c",
"glfw/src/wgl_context.c",
"glfw/src/egl_context.c",
}
type arch string
const (
archAmd64 arch = "amd64"
arch386 arch = "386"
)
func (a arch) gcc() string {
switch a {
case archAmd64:
return "x86_64-w64-mingw32-gcc"
case arch386:
return "i686-w64-mingw32-gcc"
default:
panic("not reached")
}
}
func c2o(str string) string {
return strings.TrimSuffix(filepath.Base(str), ".c") + ".o"
}
func execCommand(name string, args ...string) error {
cmd := exec.Command(name, args...)
cmd.Stdout = os.Stdout
cmd.Stderr = os.Stderr
return cmd.Run()
}
func run() error {
for _, arch := range []arch{archAmd64, arch386} {
g := errgroup.Group{}
for _, s := range srcs {
s := s
g.Go(func() error {
args := []string{
"-c",
"-o",
c2o(s),
"-D_GLFW_WIN32",
"-D_GLFW_BUILD_DLL",
"-Iglfw/deps/mingw",
"-g",
"-Os",
s,
}
if err := execCommand(arch.gcc(), args...); err != nil {
return err
}
return nil
})
}
if err := g.Wait(); err != nil {
return err
}
objs := []string{}
for _, s := range srcs {
objs = append(objs, c2o(s))
}
dll := fmt.Sprintf("glfw_windows_%s.dll", arch)
args := []string{
"-shared",
"-o",
dll,
"-Wl,--no-insert-timestamp",
}
args = append(args, objs...)
args = append(args, "-lopengl32", "-lgdi32")
if err := execCommand(arch.gcc(), args...); err != nil {
return err
}
args = []string{
"-input",
dll,
"-output",
fmt.Sprintf("glfwdll_windows_%s.go", arch),
"-package",
"glfw",
"-var",
"glfwDLLCompressed",
"-compress",
}
if err := execCommand("file2byteslice", args...); err != nil {
return err
}
for _, o := range objs {
if err := os.Remove(o); err != nil {
return err
}
}
if err := os.Remove(dll); err != nil {
return err
}
}
if err := execCommand("gofmt", "-s", "-w", "."); err != nil {
return err
}
return nil
}
func main() {
if err := run(); err != nil {
panic(err)
}
}

17
internal/glfw/generate.go Normal file
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@ -0,0 +1,17 @@
// Copyright 2018 The Ebiten Authors
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
//go:generate go run gen.go
package glfw

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@ -0,0 +1,22 @@
Copyright (c) 2002-2006 Marcus Geelnard
Copyright (c) 2006-2016 Camilla Berglund <elmindreda@glfw.org>
This software is provided 'as-is', without any express or implied
warranty. In no event will the authors be held liable for any damages
arising from the use of this software.
Permission is granted to anyone to use this software for any purpose,
including commercial applications, and to alter it and redistribute it
freely, subject to the following restrictions:
1. The origin of this software must not be misrepresented; you must not
claim that you wrote the original software. If you use this software
in a product, an acknowledgment in the product documentation would
be appreciated but is not required.
2. Altered source versions must be plainly marked as such, and must not
be misrepresented as being the original software.
3. This notice may not be removed or altered from any source
distribution.

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@ -0,0 +1,117 @@
/**
* This file has no copyright assigned and is placed in the Public Domain.
* This file is part of the mingw-w64 runtime package.
* No warranty is given; refer to the file DISCLAIMER within this package.
*/
#if defined(_MSC_VER) && !defined(_MSC_EXTENSIONS)
#define NONAMELESSUNION 1
#endif
#if defined(NONAMELESSSTRUCT) && \
!defined(NONAMELESSUNION)
#define NONAMELESSUNION 1
#endif
#if defined(NONAMELESSUNION) && \
!defined(NONAMELESSSTRUCT)
#define NONAMELESSSTRUCT 1
#endif
#if !defined(__GNU_EXTENSION)
#if defined(__GNUC__) || defined(__GNUG__)
#define __GNU_EXTENSION __extension__
#else
#define __GNU_EXTENSION
#endif
#endif /* __extension__ */
#ifndef __ANONYMOUS_DEFINED
#define __ANONYMOUS_DEFINED
#if defined(__GNUC__) || defined(__GNUG__)
#define _ANONYMOUS_UNION __extension__
#define _ANONYMOUS_STRUCT __extension__
#else
#define _ANONYMOUS_UNION
#define _ANONYMOUS_STRUCT
#endif
#ifndef NONAMELESSUNION
#define _UNION_NAME(x)
#define _STRUCT_NAME(x)
#else /* NONAMELESSUNION */
#define _UNION_NAME(x) x
#define _STRUCT_NAME(x) x
#endif
#endif /* __ANONYMOUS_DEFINED */
#ifndef DUMMYUNIONNAME
# ifdef NONAMELESSUNION
# define DUMMYUNIONNAME u
# define DUMMYUNIONNAME1 u1 /* Wine uses this variant */
# define DUMMYUNIONNAME2 u2
# define DUMMYUNIONNAME3 u3
# define DUMMYUNIONNAME4 u4
# define DUMMYUNIONNAME5 u5
# define DUMMYUNIONNAME6 u6
# define DUMMYUNIONNAME7 u7
# define DUMMYUNIONNAME8 u8
# define DUMMYUNIONNAME9 u9
# else /* NONAMELESSUNION */
# define DUMMYUNIONNAME
# define DUMMYUNIONNAME1 /* Wine uses this variant */
# define DUMMYUNIONNAME2
# define DUMMYUNIONNAME3
# define DUMMYUNIONNAME4
# define DUMMYUNIONNAME5
# define DUMMYUNIONNAME6
# define DUMMYUNIONNAME7
# define DUMMYUNIONNAME8
# define DUMMYUNIONNAME9
# endif
#endif /* DUMMYUNIONNAME */
#if !defined(DUMMYUNIONNAME1) /* MinGW does not define this one */
# ifdef NONAMELESSUNION
# define DUMMYUNIONNAME1 u1 /* Wine uses this variant */
# else
# define DUMMYUNIONNAME1 /* Wine uses this variant */
# endif
#endif /* DUMMYUNIONNAME1 */
#ifndef DUMMYSTRUCTNAME
# ifdef NONAMELESSUNION
# define DUMMYSTRUCTNAME s
# define DUMMYSTRUCTNAME1 s1 /* Wine uses this variant */
# define DUMMYSTRUCTNAME2 s2
# define DUMMYSTRUCTNAME3 s3
# define DUMMYSTRUCTNAME4 s4
# define DUMMYSTRUCTNAME5 s5
# else
# define DUMMYSTRUCTNAME
# define DUMMYSTRUCTNAME1 /* Wine uses this variant */
# define DUMMYSTRUCTNAME2
# define DUMMYSTRUCTNAME3
# define DUMMYSTRUCTNAME4
# define DUMMYSTRUCTNAME5
# endif
#endif /* DUMMYSTRUCTNAME */
/* These are for compatibility with the Wine source tree */
#ifndef WINELIB_NAME_AW
# ifdef __MINGW_NAME_AW
# define WINELIB_NAME_AW __MINGW_NAME_AW
# else
# ifdef UNICODE
# define WINELIB_NAME_AW(func) func##W
# else
# define WINELIB_NAME_AW(func) func##A
# endif
# endif
#endif /* WINELIB_NAME_AW */
#ifndef DECL_WINELIB_TYPE_AW
# ifdef __MINGW_TYPEDEF_AW
# define DECL_WINELIB_TYPE_AW __MINGW_TYPEDEF_AW
# else
# define DECL_WINELIB_TYPE_AW(type) typedef WINELIB_NAME_AW(type) type;
# endif
#endif /* DECL_WINELIB_TYPE_AW */

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@ -0,0 +1,239 @@
/*
* The Wine project - Xinput Joystick Library
* Copyright 2008 Andrew Fenn
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
*/
#ifndef __WINE_XINPUT_H
#define __WINE_XINPUT_H
#include <windef.h>
/*
* Bitmasks for the joysticks buttons, determines what has
* been pressed on the joystick, these need to be mapped
* to whatever device you're using instead of an xbox 360
* joystick
*/
#define XINPUT_GAMEPAD_DPAD_UP 0x0001
#define XINPUT_GAMEPAD_DPAD_DOWN 0x0002
#define XINPUT_GAMEPAD_DPAD_LEFT 0x0004
#define XINPUT_GAMEPAD_DPAD_RIGHT 0x0008
#define XINPUT_GAMEPAD_START 0x0010
#define XINPUT_GAMEPAD_BACK 0x0020
#define XINPUT_GAMEPAD_LEFT_THUMB 0x0040
#define XINPUT_GAMEPAD_RIGHT_THUMB 0x0080
#define XINPUT_GAMEPAD_LEFT_SHOULDER 0x0100
#define XINPUT_GAMEPAD_RIGHT_SHOULDER 0x0200
#define XINPUT_GAMEPAD_A 0x1000
#define XINPUT_GAMEPAD_B 0x2000
#define XINPUT_GAMEPAD_X 0x4000
#define XINPUT_GAMEPAD_Y 0x8000
/*
* Defines the flags used to determine if the user is pushing
* down on a button, not holding a button, etc
*/
#define XINPUT_KEYSTROKE_KEYDOWN 0x0001
#define XINPUT_KEYSTROKE_KEYUP 0x0002
#define XINPUT_KEYSTROKE_REPEAT 0x0004
/*
* Defines the codes which are returned by XInputGetKeystroke
*/
#define VK_PAD_A 0x5800
#define VK_PAD_B 0x5801
#define VK_PAD_X 0x5802
#define VK_PAD_Y 0x5803
#define VK_PAD_RSHOULDER 0x5804
#define VK_PAD_LSHOULDER 0x5805
#define VK_PAD_LTRIGGER 0x5806
#define VK_PAD_RTRIGGER 0x5807
#define VK_PAD_DPAD_UP 0x5810
#define VK_PAD_DPAD_DOWN 0x5811
#define VK_PAD_DPAD_LEFT 0x5812
#define VK_PAD_DPAD_RIGHT 0x5813
#define VK_PAD_START 0x5814
#define VK_PAD_BACK 0x5815
#define VK_PAD_LTHUMB_PRESS 0x5816
#define VK_PAD_RTHUMB_PRESS 0x5817
#define VK_PAD_LTHUMB_UP 0x5820
#define VK_PAD_LTHUMB_DOWN 0x5821
#define VK_PAD_LTHUMB_RIGHT 0x5822
#define VK_PAD_LTHUMB_LEFT 0x5823
#define VK_PAD_LTHUMB_UPLEFT 0x5824
#define VK_PAD_LTHUMB_UPRIGHT 0x5825
#define VK_PAD_LTHUMB_DOWNRIGHT 0x5826
#define VK_PAD_LTHUMB_DOWNLEFT 0x5827
#define VK_PAD_RTHUMB_UP 0x5830
#define VK_PAD_RTHUMB_DOWN 0x5831
#define VK_PAD_RTHUMB_RIGHT 0x5832
#define VK_PAD_RTHUMB_LEFT 0x5833
#define VK_PAD_RTHUMB_UPLEFT 0x5834
#define VK_PAD_RTHUMB_UPRIGHT 0x5835
#define VK_PAD_RTHUMB_DOWNRIGHT 0x5836
#define VK_PAD_RTHUMB_DOWNLEFT 0x5837
/*
* Deadzones are for analogue joystick controls on the joypad
* which determine when input should be assumed to be in the
* middle of the pad. This is a threshold to stop a joypad
* controlling the game when the player isn't touching the
* controls.
*/
#define XINPUT_GAMEPAD_LEFT_THUMB_DEADZONE 7849
#define XINPUT_GAMEPAD_RIGHT_THUMB_DEADZONE 8689
#define XINPUT_GAMEPAD_TRIGGER_THRESHOLD 30
/*
* Defines what type of abilities the type of joystick has
* DEVTYPE_GAMEPAD is available for all joysticks, however
* there may be more specific identifiers for other joysticks
* which are being used.
*/
#define XINPUT_DEVTYPE_GAMEPAD 0x01
#define XINPUT_DEVSUBTYPE_GAMEPAD 0x01
#define XINPUT_DEVSUBTYPE_WHEEL 0x02
#define XINPUT_DEVSUBTYPE_ARCADE_STICK 0x03
#define XINPUT_DEVSUBTYPE_FLIGHT_SICK 0x04
#define XINPUT_DEVSUBTYPE_DANCE_PAD 0x05
#define XINPUT_DEVSUBTYPE_GUITAR 0x06
#define XINPUT_DEVSUBTYPE_DRUM_KIT 0x08
/*
* These are used with the XInputGetCapabilities function to
* determine the abilities to the joystick which has been
* plugged in.
*/
#define XINPUT_CAPS_VOICE_SUPPORTED 0x0004
#define XINPUT_FLAG_GAMEPAD 0x00000001
/*
* Defines the status of the battery if one is used in the
* attached joystick. The first two define if the joystick
* supports a battery. Disconnected means that the joystick
* isn't connected. Wired shows that the joystick is a wired
* joystick.
*/
#define BATTERY_DEVTYPE_GAMEPAD 0x00
#define BATTERY_DEVTYPE_HEADSET 0x01
#define BATTERY_TYPE_DISCONNECTED 0x00
#define BATTERY_TYPE_WIRED 0x01
#define BATTERY_TYPE_ALKALINE 0x02
#define BATTERY_TYPE_NIMH 0x03
#define BATTERY_TYPE_UNKNOWN 0xFF
#define BATTERY_LEVEL_EMPTY 0x00
#define BATTERY_LEVEL_LOW 0x01
#define BATTERY_LEVEL_MEDIUM 0x02
#define BATTERY_LEVEL_FULL 0x03
/*
* How many joysticks can be used with this library. Games that
* use the xinput library will not go over this number.
*/
#define XUSER_MAX_COUNT 4
#define XUSER_INDEX_ANY 0x000000FF
/*
* Defines the structure of an xbox 360 joystick.
*/
typedef struct _XINPUT_GAMEPAD {
WORD wButtons;
BYTE bLeftTrigger;
BYTE bRightTrigger;
SHORT sThumbLX;
SHORT sThumbLY;
SHORT sThumbRX;
SHORT sThumbRY;
} XINPUT_GAMEPAD, *PXINPUT_GAMEPAD;
typedef struct _XINPUT_STATE {
DWORD dwPacketNumber;
XINPUT_GAMEPAD Gamepad;
} XINPUT_STATE, *PXINPUT_STATE;
/*
* Defines the structure of how much vibration is set on both the
* right and left motors in a joystick. If you're not using a 360
* joystick you will have to map these to your device.
*/
typedef struct _XINPUT_VIBRATION {
WORD wLeftMotorSpeed;
WORD wRightMotorSpeed;
} XINPUT_VIBRATION, *PXINPUT_VIBRATION;
/*
* Defines the structure for what kind of abilities the joystick has
* such abilities are things such as if the joystick has the ability
* to send and receive audio, if the joystick is in fact a driving
* wheel or perhaps if the joystick is some kind of dance pad or
* guitar.
*/
typedef struct _XINPUT_CAPABILITIES {
BYTE Type;
BYTE SubType;
WORD Flags;
XINPUT_GAMEPAD Gamepad;
XINPUT_VIBRATION Vibration;
} XINPUT_CAPABILITIES, *PXINPUT_CAPABILITIES;
/*
* Defines the structure for a joystick input event which is
* retrieved using the function XInputGetKeystroke
*/
typedef struct _XINPUT_KEYSTROKE {
WORD VirtualKey;
WCHAR Unicode;
WORD Flags;
BYTE UserIndex;
BYTE HidCode;
} XINPUT_KEYSTROKE, *PXINPUT_KEYSTROKE;
typedef struct _XINPUT_BATTERY_INFORMATION
{
BYTE BatteryType;
BYTE BatteryLevel;
} XINPUT_BATTERY_INFORMATION, *PXINPUT_BATTERY_INFORMATION;
#ifdef __cplusplus
extern "C" {
#endif
void WINAPI XInputEnable(WINBOOL);
DWORD WINAPI XInputSetState(DWORD, XINPUT_VIBRATION*);
DWORD WINAPI XInputGetState(DWORD, XINPUT_STATE*);
DWORD WINAPI XInputGetKeystroke(DWORD, DWORD, PXINPUT_KEYSTROKE);
DWORD WINAPI XInputGetCapabilities(DWORD, DWORD, XINPUT_CAPABILITIES*);
DWORD WINAPI XInputGetDSoundAudioDeviceGuids(DWORD, GUID*, GUID*);
DWORD WINAPI XInputGetBatteryInformation(DWORD, BYTE, XINPUT_BATTERY_INFORMATION*);
#ifdef __cplusplus
}
#endif
#endif /* __WINE_XINPUT_H */

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@ -0,0 +1,456 @@
/*************************************************************************
* GLFW 3.2 - www.glfw.org
* A library for OpenGL, window and input
*------------------------------------------------------------------------
* Copyright (c) 2002-2006 Marcus Geelnard
* Copyright (c) 2006-2016 Camilla Berglund <elmindreda@glfw.org>
*
* This software is provided 'as-is', without any express or implied
* warranty. In no event will the authors be held liable for any damages
* arising from the use of this software.
*
* Permission is granted to anyone to use this software for any purpose,
* including commercial applications, and to alter it and redistribute it
* freely, subject to the following restrictions:
*
* 1. The origin of this software must not be misrepresented; you must not
* claim that you wrote the original software. If you use this software
* in a product, an acknowledgment in the product documentation would
* be appreciated but is not required.
*
* 2. Altered source versions must be plainly marked as such, and must not
* be misrepresented as being the original software.
*
* 3. This notice may not be removed or altered from any source
* distribution.
*
*************************************************************************/
#ifndef _glfw3_native_h_
#define _glfw3_native_h_
#ifdef __cplusplus
extern "C" {
#endif
/*************************************************************************
* Doxygen documentation
*************************************************************************/
/*! @file glfw3native.h
* @brief The header of the native access functions.
*
* This is the header file of the native access functions. See @ref native for
* more information.
*/
/*! @defgroup native Native access
*
* **By using the native access functions you assert that you know what you're
* doing and how to fix problems caused by using them. If you don't, you
* shouldn't be using them.**
*
* Before the inclusion of @ref glfw3native.h, you may define exactly one
* window system API macro and zero or more context creation API macros.
*
* The chosen backends must match those the library was compiled for. Failure
* to do this will cause a link-time error.
*
* The available window API macros are:
* * `GLFW_EXPOSE_NATIVE_WIN32`
* * `GLFW_EXPOSE_NATIVE_COCOA`
* * `GLFW_EXPOSE_NATIVE_X11`
* * `GLFW_EXPOSE_NATIVE_WAYLAND`
* * `GLFW_EXPOSE_NATIVE_MIR`
*
* The available context API macros are:
* * `GLFW_EXPOSE_NATIVE_WGL`
* * `GLFW_EXPOSE_NATIVE_NSGL`
* * `GLFW_EXPOSE_NATIVE_GLX`
* * `GLFW_EXPOSE_NATIVE_EGL`
*
* These macros select which of the native access functions that are declared
* and which platform-specific headers to include. It is then up your (by
* definition platform-specific) code to handle which of these should be
* defined.
*/
/*************************************************************************
* System headers and types
*************************************************************************/
#if defined(GLFW_EXPOSE_NATIVE_WIN32)
// This is a workaround for the fact that glfw3.h needs to export APIENTRY (for
// example to allow applications to correctly declare a GL_ARB_debug_output
// callback) but windows.h assumes no one will define APIENTRY before it does
#undef APIENTRY
#include <windows.h>
#elif defined(GLFW_EXPOSE_NATIVE_COCOA)
#include <ApplicationServices/ApplicationServices.h>
#if defined(__OBJC__)
#import <Cocoa/Cocoa.h>
#else
typedef void* id;
#endif
#elif defined(GLFW_EXPOSE_NATIVE_X11)
#include <X11/Xlib.h>
#include <X11/extensions/Xrandr.h>
#elif defined(GLFW_EXPOSE_NATIVE_WAYLAND)
#include <wayland-client.h>
#elif defined(GLFW_EXPOSE_NATIVE_MIR)
#include <mir_toolkit/mir_client_library.h>
#endif
#if defined(GLFW_EXPOSE_NATIVE_WGL)
/* WGL is declared by windows.h */
#endif
#if defined(GLFW_EXPOSE_NATIVE_NSGL)
/* NSGL is declared by Cocoa.h */
#endif
#if defined(GLFW_EXPOSE_NATIVE_GLX)
#include <GL/glx.h>
#endif
#if defined(GLFW_EXPOSE_NATIVE_EGL)
#include <EGL/egl.h>
#endif
/*************************************************************************
* Functions
*************************************************************************/
#if defined(GLFW_EXPOSE_NATIVE_WIN32)
/*! @brief Returns the adapter device name of the specified monitor.
*
* @return The UTF-8 encoded adapter device name (for example `\\.\DISPLAY1`)
* of the specified monitor, or `NULL` if an [error](@ref error_handling)
* occurred.
*
* @thread_safety This function may be called from any thread. Access is not
* synchronized.
*
* @since Added in version 3.1.
*
* @ingroup native
*/
GLFWAPI const char* glfwGetWin32Adapter(GLFWmonitor* monitor);
/*! @brief Returns the display device name of the specified monitor.
*
* @return The UTF-8 encoded display device name (for example
* `\\.\DISPLAY1\Monitor0`) of the specified monitor, or `NULL` if an
* [error](@ref error_handling) occurred.
*
* @thread_safety This function may be called from any thread. Access is not
* synchronized.
*
* @since Added in version 3.1.
*
* @ingroup native
*/
GLFWAPI const char* glfwGetWin32Monitor(GLFWmonitor* monitor);
/*! @brief Returns the `HWND` of the specified window.
*
* @return The `HWND` of the specified window, or `NULL` if an
* [error](@ref error_handling) occurred.
*
* @thread_safety This function may be called from any thread. Access is not
* synchronized.
*
* @since Added in version 3.0.
*
* @ingroup native
*/
GLFWAPI HWND glfwGetWin32Window(GLFWwindow* window);
#endif
#if defined(GLFW_EXPOSE_NATIVE_WGL)
/*! @brief Returns the `HGLRC` of the specified window.
*
* @return The `HGLRC` of the specified window, or `NULL` if an
* [error](@ref error_handling) occurred.
*
* @thread_safety This function may be called from any thread. Access is not
* synchronized.
*
* @since Added in version 3.0.
*
* @ingroup native
*/
GLFWAPI HGLRC glfwGetWGLContext(GLFWwindow* window);
#endif
#if defined(GLFW_EXPOSE_NATIVE_COCOA)
/*! @brief Returns the `CGDirectDisplayID` of the specified monitor.
*
* @return The `CGDirectDisplayID` of the specified monitor, or
* `kCGNullDirectDisplay` if an [error](@ref error_handling) occurred.
*
* @thread_safety This function may be called from any thread. Access is not
* synchronized.
*
* @since Added in version 3.1.
*
* @ingroup native
*/
GLFWAPI CGDirectDisplayID glfwGetCocoaMonitor(GLFWmonitor* monitor);
/*! @brief Returns the `NSWindow` of the specified window.
*
* @return The `NSWindow` of the specified window, or `nil` if an
* [error](@ref error_handling) occurred.
*
* @thread_safety This function may be called from any thread. Access is not
* synchronized.
*
* @since Added in version 3.0.
*
* @ingroup native
*/
GLFWAPI id glfwGetCocoaWindow(GLFWwindow* window);
#endif
#if defined(GLFW_EXPOSE_NATIVE_NSGL)
/*! @brief Returns the `NSOpenGLContext` of the specified window.
*
* @return The `NSOpenGLContext` of the specified window, or `nil` if an
* [error](@ref error_handling) occurred.
*
* @thread_safety This function may be called from any thread. Access is not
* synchronized.
*
* @since Added in version 3.0.
*
* @ingroup native
*/
GLFWAPI id glfwGetNSGLContext(GLFWwindow* window);
#endif
#if defined(GLFW_EXPOSE_NATIVE_X11)
/*! @brief Returns the `Display` used by GLFW.
*
* @return The `Display` used by GLFW, or `NULL` if an
* [error](@ref error_handling) occurred.
*
* @thread_safety This function may be called from any thread. Access is not
* synchronized.
*
* @since Added in version 3.0.
*
* @ingroup native
*/
GLFWAPI Display* glfwGetX11Display(void);
/*! @brief Returns the `RRCrtc` of the specified monitor.
*
* @return The `RRCrtc` of the specified monitor, or `None` if an
* [error](@ref error_handling) occurred.
*
* @thread_safety This function may be called from any thread. Access is not
* synchronized.
*
* @since Added in version 3.1.
*
* @ingroup native
*/
GLFWAPI RRCrtc glfwGetX11Adapter(GLFWmonitor* monitor);
/*! @brief Returns the `RROutput` of the specified monitor.
*
* @return The `RROutput` of the specified monitor, or `None` if an
* [error](@ref error_handling) occurred.
*
* @thread_safety This function may be called from any thread. Access is not
* synchronized.
*
* @since Added in version 3.1.
*
* @ingroup native
*/
GLFWAPI RROutput glfwGetX11Monitor(GLFWmonitor* monitor);
/*! @brief Returns the `Window` of the specified window.
*
* @return The `Window` of the specified window, or `None` if an
* [error](@ref error_handling) occurred.
*
* @thread_safety This function may be called from any thread. Access is not
* synchronized.
*
* @since Added in version 3.0.
*
* @ingroup native
*/
GLFWAPI Window glfwGetX11Window(GLFWwindow* window);
#endif
#if defined(GLFW_EXPOSE_NATIVE_GLX)
/*! @brief Returns the `GLXContext` of the specified window.
*
* @return The `GLXContext` of the specified window, or `NULL` if an
* [error](@ref error_handling) occurred.
*
* @thread_safety This function may be called from any thread. Access is not
* synchronized.
*
* @since Added in version 3.0.
*
* @ingroup native
*/
GLFWAPI GLXContext glfwGetGLXContext(GLFWwindow* window);
/*! @brief Returns the `GLXWindow` of the specified window.
*
* @return The `GLXWindow` of the specified window, or `None` if an
* [error](@ref error_handling) occurred.
*
* @thread_safety This function may be called from any thread. Access is not
* synchronized.
*
* @since Added in version 3.2.
*
* @ingroup native
*/
GLFWAPI GLXWindow glfwGetGLXWindow(GLFWwindow* window);
#endif
#if defined(GLFW_EXPOSE_NATIVE_WAYLAND)
/*! @brief Returns the `struct wl_display*` used by GLFW.
*
* @return The `struct wl_display*` used by GLFW, or `NULL` if an
* [error](@ref error_handling) occurred.
*
* @thread_safety This function may be called from any thread. Access is not
* synchronized.
*
* @since Added in version 3.2.
*
* @ingroup native
*/
GLFWAPI struct wl_display* glfwGetWaylandDisplay(void);
/*! @brief Returns the `struct wl_output*` of the specified monitor.
*
* @return The `struct wl_output*` of the specified monitor, or `NULL` if an
* [error](@ref error_handling) occurred.
*
* @thread_safety This function may be called from any thread. Access is not
* synchronized.
*
* @since Added in version 3.2.
*
* @ingroup native
*/
GLFWAPI struct wl_output* glfwGetWaylandMonitor(GLFWmonitor* monitor);
/*! @brief Returns the main `struct wl_surface*` of the specified window.
*
* @return The main `struct wl_surface*` of the specified window, or `NULL` if
* an [error](@ref error_handling) occurred.
*
* @thread_safety This function may be called from any thread. Access is not
* synchronized.
*
* @since Added in version 3.2.
*
* @ingroup native
*/
GLFWAPI struct wl_surface* glfwGetWaylandWindow(GLFWwindow* window);
#endif
#if defined(GLFW_EXPOSE_NATIVE_MIR)
/*! @brief Returns the `MirConnection*` used by GLFW.
*
* @return The `MirConnection*` used by GLFW, or `NULL` if an
* [error](@ref error_handling) occurred.
*
* @thread_safety This function may be called from any thread. Access is not
* synchronized.
*
* @since Added in version 3.2.
*
* @ingroup native
*/
GLFWAPI MirConnection* glfwGetMirDisplay(void);
/*! @brief Returns the Mir output ID of the specified monitor.
*
* @return The Mir output ID of the specified monitor, or zero if an
* [error](@ref error_handling) occurred.
*
* @thread_safety This function may be called from any thread. Access is not
* synchronized.
*
* @since Added in version 3.2.
*
* @ingroup native
*/
GLFWAPI int glfwGetMirMonitor(GLFWmonitor* monitor);
/*! @brief Returns the `MirSurface*` of the specified window.
*
* @return The `MirSurface*` of the specified window, or `NULL` if an
* [error](@ref error_handling) occurred.
*
* @thread_safety This function may be called from any thread. Access is not
* synchronized.
*
* @since Added in version 3.2.
*
* @ingroup native
*/
GLFWAPI MirSurface* glfwGetMirWindow(GLFWwindow* window);
#endif
#if defined(GLFW_EXPOSE_NATIVE_EGL)
/*! @brief Returns the `EGLDisplay` used by GLFW.
*
* @return The `EGLDisplay` used by GLFW, or `EGL_NO_DISPLAY` if an
* [error](@ref error_handling) occurred.
*
* @thread_safety This function may be called from any thread. Access is not
* synchronized.
*
* @since Added in version 3.0.
*
* @ingroup native
*/
GLFWAPI EGLDisplay glfwGetEGLDisplay(void);
/*! @brief Returns the `EGLContext` of the specified window.
*
* @return The `EGLContext` of the specified window, or `EGL_NO_CONTEXT` if an
* [error](@ref error_handling) occurred.
*
* @thread_safety This function may be called from any thread. Access is not
* synchronized.
*
* @since Added in version 3.0.
*
* @ingroup native
*/
GLFWAPI EGLContext glfwGetEGLContext(GLFWwindow* window);
/*! @brief Returns the `EGLSurface` of the specified window.
*
* @return The `EGLSurface` of the specified window, or `EGL_NO_SURFACE` if an
* [error](@ref error_handling) occurred.
*
* @thread_safety This function may be called from any thread. Access is not
* synchronized.
*
* @since Added in version 3.0.
*
* @ingroup native
*/
GLFWAPI EGLSurface glfwGetEGLSurface(GLFWwindow* window);
#endif
#ifdef __cplusplus
}
#endif
#endif /* _glfw3_native_h_ */

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@ -0,0 +1,720 @@
//========================================================================
// GLFW 3.2 - www.glfw.org
//------------------------------------------------------------------------
// Copyright (c) 2002-2006 Marcus Geelnard
// Copyright (c) 2006-2016 Camilla Berglund <elmindreda@glfw.org>
//
// This software is provided 'as-is', without any express or implied
// warranty. In no event will the authors be held liable for any damages
// arising from the use of this software.
//
// Permission is granted to anyone to use this software for any purpose,
// including commercial applications, and to alter it and redistribute it
// freely, subject to the following restrictions:
//
// 1. The origin of this software must not be misrepresented; you must not
// claim that you wrote the original software. If you use this software
// in a product, an acknowledgment in the product documentation would
// be appreciated but is not required.
//
// 2. Altered source versions must be plainly marked as such, and must not
// be misrepresented as being the original software.
//
// 3. This notice may not be removed or altered from any source
// distribution.
//
//========================================================================
#include "internal.h"
#include <assert.h>
#include <stdio.h>
#include <string.h>
#include <limits.h>
#include <stdio.h>
//////////////////////////////////////////////////////////////////////////
////// GLFW internal API //////
//////////////////////////////////////////////////////////////////////////
GLFWbool _glfwIsValidContextConfig(const _GLFWctxconfig* ctxconfig)
{
if (ctxconfig->source != GLFW_NATIVE_CONTEXT_API &&
ctxconfig->source != GLFW_EGL_CONTEXT_API)
{
_glfwInputError(GLFW_INVALID_ENUM,
"Invalid context creation API %i",
ctxconfig->source);
return GLFW_FALSE;
}
if (ctxconfig->client != GLFW_NO_API &&
ctxconfig->client != GLFW_OPENGL_API &&
ctxconfig->client != GLFW_OPENGL_ES_API)
{
_glfwInputError(GLFW_INVALID_ENUM,
"Invalid client API %i",
ctxconfig->client);
return GLFW_FALSE;
}
if (ctxconfig->client == GLFW_OPENGL_API)
{
if ((ctxconfig->major < 1 || ctxconfig->minor < 0) ||
(ctxconfig->major == 1 && ctxconfig->minor > 5) ||
(ctxconfig->major == 2 && ctxconfig->minor > 1) ||
(ctxconfig->major == 3 && ctxconfig->minor > 3))
{
// OpenGL 1.0 is the smallest valid version
// OpenGL 1.x series ended with version 1.5
// OpenGL 2.x series ended with version 2.1
// OpenGL 3.x series ended with version 3.3
// For now, let everything else through
_glfwInputError(GLFW_INVALID_VALUE,
"Invalid OpenGL version %i.%i",
ctxconfig->major, ctxconfig->minor);
return GLFW_FALSE;
}
if (ctxconfig->profile)
{
if (ctxconfig->profile != GLFW_OPENGL_CORE_PROFILE &&
ctxconfig->profile != GLFW_OPENGL_COMPAT_PROFILE)
{
_glfwInputError(GLFW_INVALID_ENUM,
"Invalid OpenGL profile %i",
ctxconfig->profile);
return GLFW_FALSE;
}
if (ctxconfig->major <= 2 ||
(ctxconfig->major == 3 && ctxconfig->minor < 2))
{
// Desktop OpenGL context profiles are only defined for version 3.2
// and above
_glfwInputError(GLFW_INVALID_VALUE,
"Context profiles are only defined for OpenGL version 3.2 and above");
return GLFW_FALSE;
}
}
if (ctxconfig->forward && ctxconfig->major <= 2)
{
// Forward-compatible contexts are only defined for OpenGL version 3.0 and above
_glfwInputError(GLFW_INVALID_VALUE,
"Forward-compatibility is only defined for OpenGL version 3.0 and above");
return GLFW_FALSE;
}
}
else if (ctxconfig->client == GLFW_OPENGL_ES_API)
{
if (ctxconfig->major < 1 || ctxconfig->minor < 0 ||
(ctxconfig->major == 1 && ctxconfig->minor > 1) ||
(ctxconfig->major == 2 && ctxconfig->minor > 0))
{
// OpenGL ES 1.0 is the smallest valid version
// OpenGL ES 1.x series ended with version 1.1
// OpenGL ES 2.x series ended with version 2.0
// For now, let everything else through
_glfwInputError(GLFW_INVALID_VALUE,
"Invalid OpenGL ES version %i.%i",
ctxconfig->major, ctxconfig->minor);
return GLFW_FALSE;
}
}
if (ctxconfig->robustness)
{
if (ctxconfig->robustness != GLFW_NO_RESET_NOTIFICATION &&
ctxconfig->robustness != GLFW_LOSE_CONTEXT_ON_RESET)
{
_glfwInputError(GLFW_INVALID_ENUM,
"Invalid context robustness mode %i",
ctxconfig->robustness);
return GLFW_FALSE;
}
}
if (ctxconfig->release)
{
if (ctxconfig->release != GLFW_RELEASE_BEHAVIOR_NONE &&
ctxconfig->release != GLFW_RELEASE_BEHAVIOR_FLUSH)
{
_glfwInputError(GLFW_INVALID_ENUM,
"Invalid context release behavior %i",
ctxconfig->release);
return GLFW_FALSE;
}
}
return GLFW_TRUE;
}
const _GLFWfbconfig* _glfwChooseFBConfig(const _GLFWfbconfig* desired,
const _GLFWfbconfig* alternatives,
unsigned int count)
{
unsigned int i;
unsigned int missing, leastMissing = UINT_MAX;
unsigned int colorDiff, leastColorDiff = UINT_MAX;
unsigned int extraDiff, leastExtraDiff = UINT_MAX;
const _GLFWfbconfig* current;
const _GLFWfbconfig* closest = NULL;
for (i = 0; i < count; i++)
{
current = alternatives + i;
if (desired->stereo > 0 && current->stereo == 0)
{
// Stereo is a hard constraint
continue;
}
if (desired->doublebuffer != current->doublebuffer)
{
// Double buffering is a hard constraint
continue;
}
// Count number of missing buffers
{
missing = 0;
if (desired->alphaBits > 0 && current->alphaBits == 0)
missing++;
if (desired->depthBits > 0 && current->depthBits == 0)
missing++;
if (desired->stencilBits > 0 && current->stencilBits == 0)
missing++;
if (desired->auxBuffers > 0 &&
current->auxBuffers < desired->auxBuffers)
{
missing += desired->auxBuffers - current->auxBuffers;
}
if (desired->samples > 0 && current->samples == 0)
{
// Technically, several multisampling buffers could be
// involved, but that's a lower level implementation detail and
// not important to us here, so we count them as one
missing++;
}
}
// These polynomials make many small channel size differences matter
// less than one large channel size difference
// Calculate color channel size difference value
{
colorDiff = 0;
if (desired->redBits != GLFW_DONT_CARE)
{
colorDiff += (desired->redBits - current->redBits) *
(desired->redBits - current->redBits);
}
if (desired->greenBits != GLFW_DONT_CARE)
{
colorDiff += (desired->greenBits - current->greenBits) *
(desired->greenBits - current->greenBits);
}
if (desired->blueBits != GLFW_DONT_CARE)
{
colorDiff += (desired->blueBits - current->blueBits) *
(desired->blueBits - current->blueBits);
}
}
// Calculate non-color channel size difference value
{
extraDiff = 0;
if (desired->alphaBits != GLFW_DONT_CARE)
{
extraDiff += (desired->alphaBits - current->alphaBits) *
(desired->alphaBits - current->alphaBits);
}
if (desired->depthBits != GLFW_DONT_CARE)
{
extraDiff += (desired->depthBits - current->depthBits) *
(desired->depthBits - current->depthBits);
}
if (desired->stencilBits != GLFW_DONT_CARE)
{
extraDiff += (desired->stencilBits - current->stencilBits) *
(desired->stencilBits - current->stencilBits);
}
if (desired->accumRedBits != GLFW_DONT_CARE)
{
extraDiff += (desired->accumRedBits - current->accumRedBits) *
(desired->accumRedBits - current->accumRedBits);
}
if (desired->accumGreenBits != GLFW_DONT_CARE)
{
extraDiff += (desired->accumGreenBits - current->accumGreenBits) *
(desired->accumGreenBits - current->accumGreenBits);
}
if (desired->accumBlueBits != GLFW_DONT_CARE)
{
extraDiff += (desired->accumBlueBits - current->accumBlueBits) *
(desired->accumBlueBits - current->accumBlueBits);
}
if (desired->accumAlphaBits != GLFW_DONT_CARE)
{
extraDiff += (desired->accumAlphaBits - current->accumAlphaBits) *
(desired->accumAlphaBits - current->accumAlphaBits);
}
if (desired->samples != GLFW_DONT_CARE)
{
extraDiff += (desired->samples - current->samples) *
(desired->samples - current->samples);
}
if (desired->sRGB && !current->sRGB)
extraDiff++;
}
// Figure out if the current one is better than the best one found so far
// Least number of missing buffers is the most important heuristic,
// then color buffer size match and lastly size match for other buffers
if (missing < leastMissing)
closest = current;
else if (missing == leastMissing)
{
if ((colorDiff < leastColorDiff) ||
(colorDiff == leastColorDiff && extraDiff < leastExtraDiff))
{
closest = current;
}
}
if (current == closest)
{
leastMissing = missing;
leastColorDiff = colorDiff;
leastExtraDiff = extraDiff;
}
}
return closest;
}
GLFWbool _glfwRefreshContextAttribs(const _GLFWctxconfig* ctxconfig)
{
int i;
_GLFWwindow* window;
const char* version;
const char* prefixes[] =
{
"OpenGL ES-CM ",
"OpenGL ES-CL ",
"OpenGL ES ",
NULL
};
window = _glfwPlatformGetCurrentContext();
window->context.source = ctxconfig->source;
window->context.client = GLFW_OPENGL_API;
window->context.GetIntegerv = (PFNGLGETINTEGERVPROC)
window->context.getProcAddress("glGetIntegerv");
window->context.GetString = (PFNGLGETSTRINGPROC)
window->context.getProcAddress("glGetString");
if (!window->context.GetIntegerv || !window->context.GetString)
{
_glfwInputError(GLFW_PLATFORM_ERROR, "Entry point retrieval is broken");
return GLFW_FALSE;
}
version = (const char*) window->context.GetString(GL_VERSION);
if (!version)
{
if (ctxconfig->client == GLFW_OPENGL_API)
{
_glfwInputError(GLFW_PLATFORM_ERROR,
"OpenGL version string retrieval is broken");
}
else
{
_glfwInputError(GLFW_PLATFORM_ERROR,
"OpenGL ES version string retrieval is broken");
}
return GLFW_FALSE;
}
for (i = 0; prefixes[i]; i++)
{
const size_t length = strlen(prefixes[i]);
if (strncmp(version, prefixes[i], length) == 0)
{
version += length;
window->context.client = GLFW_OPENGL_ES_API;
break;
}
}
if (!sscanf(version, "%d.%d.%d",
&window->context.major,
&window->context.minor,
&window->context.revision))
{
if (window->context.client == GLFW_OPENGL_API)
{
_glfwInputError(GLFW_PLATFORM_ERROR,
"No version found in OpenGL version string");
}
else
{
_glfwInputError(GLFW_PLATFORM_ERROR,
"No version found in OpenGL ES version string");
}
return GLFW_FALSE;
}
if (window->context.major < ctxconfig->major ||
(window->context.major == ctxconfig->major &&
window->context.minor < ctxconfig->minor))
{
// The desired OpenGL version is greater than the actual version
// This only happens if the machine lacks {GLX|WGL}_ARB_create_context
// /and/ the user has requested an OpenGL version greater than 1.0
// For API consistency, we emulate the behavior of the
// {GLX|WGL}_ARB_create_context extension and fail here
if (window->context.client == GLFW_OPENGL_API)
{
_glfwInputError(GLFW_VERSION_UNAVAILABLE,
"Requested OpenGL version %i.%i, got version %i.%i",
ctxconfig->major, ctxconfig->minor,
window->context.major, window->context.minor);
}
else
{
_glfwInputError(GLFW_VERSION_UNAVAILABLE,
"Requested OpenGL ES version %i.%i, got version %i.%i",
ctxconfig->major, ctxconfig->minor,
window->context.major, window->context.minor);
}
return GLFW_FALSE;
}
if (window->context.major >= 3)
{
// OpenGL 3.0+ uses a different function for extension string retrieval
// We cache it here instead of in glfwExtensionSupported mostly to alert
// users as early as possible that their build may be broken
window->context.GetStringi = (PFNGLGETSTRINGIPROC)
window->context.getProcAddress("glGetStringi");
if (!window->context.GetStringi)
{
_glfwInputError(GLFW_PLATFORM_ERROR,
"Entry point retrieval is broken");
return GLFW_FALSE;
}
}
if (window->context.client == GLFW_OPENGL_API)
{
// Read back context flags (OpenGL 3.0 and above)
if (window->context.major >= 3)
{
GLint flags;
window->context.GetIntegerv(GL_CONTEXT_FLAGS, &flags);
if (flags & GL_CONTEXT_FLAG_FORWARD_COMPATIBLE_BIT)
window->context.forward = GLFW_TRUE;
if (flags & GL_CONTEXT_FLAG_DEBUG_BIT)
window->context.debug = GLFW_TRUE;
else if (glfwExtensionSupported("GL_ARB_debug_output") &&
ctxconfig->debug)
{
// HACK: This is a workaround for older drivers (pre KHR_debug)
// not setting the debug bit in the context flags for
// debug contexts
window->context.debug = GLFW_TRUE;
}
if (flags & GL_CONTEXT_FLAG_NO_ERROR_BIT_KHR)
window->context.noerror = GLFW_TRUE;
}
// Read back OpenGL context profile (OpenGL 3.2 and above)
if (window->context.major >= 4 ||
(window->context.major == 3 && window->context.minor >= 2))
{
GLint mask;
window->context.GetIntegerv(GL_CONTEXT_PROFILE_MASK, &mask);
if (mask & GL_CONTEXT_COMPATIBILITY_PROFILE_BIT)
window->context.profile = GLFW_OPENGL_COMPAT_PROFILE;
else if (mask & GL_CONTEXT_CORE_PROFILE_BIT)
window->context.profile = GLFW_OPENGL_CORE_PROFILE;
else if (glfwExtensionSupported("GL_ARB_compatibility"))
{
// HACK: This is a workaround for the compatibility profile bit
// not being set in the context flags if an OpenGL 3.2+
// context was created without having requested a specific
// version
window->context.profile = GLFW_OPENGL_COMPAT_PROFILE;
}
}
// Read back robustness strategy
if (glfwExtensionSupported("GL_ARB_robustness"))
{
// NOTE: We avoid using the context flags for detection, as they are
// only present from 3.0 while the extension applies from 1.1
GLint strategy;
window->context.GetIntegerv(GL_RESET_NOTIFICATION_STRATEGY_ARB,
&strategy);
if (strategy == GL_LOSE_CONTEXT_ON_RESET_ARB)
window->context.robustness = GLFW_LOSE_CONTEXT_ON_RESET;
else if (strategy == GL_NO_RESET_NOTIFICATION_ARB)
window->context.robustness = GLFW_NO_RESET_NOTIFICATION;
}
}
else
{
// Read back robustness strategy
if (glfwExtensionSupported("GL_EXT_robustness"))
{
// NOTE: The values of these constants match those of the OpenGL ARB
// one, so we can reuse them here
GLint strategy;
window->context.GetIntegerv(GL_RESET_NOTIFICATION_STRATEGY_ARB,
&strategy);
if (strategy == GL_LOSE_CONTEXT_ON_RESET_ARB)
window->context.robustness = GLFW_LOSE_CONTEXT_ON_RESET;
else if (strategy == GL_NO_RESET_NOTIFICATION_ARB)
window->context.robustness = GLFW_NO_RESET_NOTIFICATION;
}
}
if (glfwExtensionSupported("GL_KHR_context_flush_control"))
{
GLint behavior;
window->context.GetIntegerv(GL_CONTEXT_RELEASE_BEHAVIOR, &behavior);
if (behavior == GL_NONE)
window->context.release = GLFW_RELEASE_BEHAVIOR_NONE;
else if (behavior == GL_CONTEXT_RELEASE_BEHAVIOR_FLUSH)
window->context.release = GLFW_RELEASE_BEHAVIOR_FLUSH;
}
// Clearing the front buffer to black to avoid garbage pixels left over from
// previous uses of our bit of VRAM
{
PFNGLCLEARPROC glClear = (PFNGLCLEARPROC)
window->context.getProcAddress("glClear");
glClear(GL_COLOR_BUFFER_BIT);
window->context.swapBuffers(window);
}
return GLFW_TRUE;
}
GLFWbool _glfwStringInExtensionString(const char* string, const char* extensions)
{
const char* start = extensions;
for (;;)
{
const char* where;
const char* terminator;
where = strstr(start, string);
if (!where)
return GLFW_FALSE;
terminator = where + strlen(string);
if (where == start || *(where - 1) == ' ')
{
if (*terminator == ' ' || *terminator == '\0')
break;
}
start = terminator;
}
return GLFW_TRUE;
}
//////////////////////////////////////////////////////////////////////////
////// GLFW public API //////
//////////////////////////////////////////////////////////////////////////
GLFWAPI void glfwMakeContextCurrent(GLFWwindow* handle)
{
_GLFWwindow* window = (_GLFWwindow*) handle;
_GLFWwindow* previous = _glfwPlatformGetCurrentContext();
_GLFW_REQUIRE_INIT();
if (window && window->context.client == GLFW_NO_API)
{
_glfwInputError(GLFW_NO_WINDOW_CONTEXT, NULL);
return;
}
if (previous)
{
if (!window || window->context.source != previous->context.source)
previous->context.makeCurrent(NULL);
}
if (window)
window->context.makeCurrent(window);
}
GLFWAPI GLFWwindow* glfwGetCurrentContext(void)
{
_GLFW_REQUIRE_INIT_OR_RETURN(NULL);
return (GLFWwindow*) _glfwPlatformGetCurrentContext();
}
GLFWAPI void glfwSwapBuffers(GLFWwindow* handle)
{
_GLFWwindow* window = (_GLFWwindow*) handle;
assert(window != NULL);
_GLFW_REQUIRE_INIT();
if (window->context.client == GLFW_NO_API)
{
_glfwInputError(GLFW_NO_WINDOW_CONTEXT, NULL);
return;
}
window->context.swapBuffers(window);
}
GLFWAPI void glfwSwapInterval(int interval)
{
_GLFWwindow* window;
_GLFW_REQUIRE_INIT();
window = _glfwPlatformGetCurrentContext();
if (!window)
{
_glfwInputError(GLFW_NO_CURRENT_CONTEXT, NULL);
return;
}
window->context.swapInterval(interval);
}
GLFWAPI int glfwExtensionSupported(const char* extension)
{
_GLFWwindow* window;
assert(extension != NULL);
_GLFW_REQUIRE_INIT_OR_RETURN(GLFW_FALSE);
window = _glfwPlatformGetCurrentContext();
if (!window)
{
_glfwInputError(GLFW_NO_CURRENT_CONTEXT, NULL);
return GLFW_FALSE;
}
if (*extension == '\0')
{
_glfwInputError(GLFW_INVALID_VALUE, "Extension name is empty string");
return GLFW_FALSE;
}
if (window->context.major >= 3)
{
int i;
GLint count;
// Check if extension is in the modern OpenGL extensions string list
window->context.GetIntegerv(GL_NUM_EXTENSIONS, &count);
for (i = 0; i < count; i++)
{
const char* en = (const char*)
window->context.GetStringi(GL_EXTENSIONS, i);
if (!en)
{
_glfwInputError(GLFW_PLATFORM_ERROR,
"Extension string retrieval is broken");
return GLFW_FALSE;
}
if (strcmp(en, extension) == 0)
return GLFW_TRUE;
}
}
else
{
// Check if extension is in the old style OpenGL extensions string
const char* extensions = (const char*)
window->context.GetString(GL_EXTENSIONS);
if (!extensions)
{
_glfwInputError(GLFW_PLATFORM_ERROR,
"Extension string retrieval is broken");
return GLFW_FALSE;
}
if (_glfwStringInExtensionString(extension, extensions))
return GLFW_TRUE;
}
// Check if extension is in the platform-specific string
return window->context.extensionSupported(extension);
}
GLFWAPI GLFWglproc glfwGetProcAddress(const char* procname)
{
_GLFWwindow* window;
assert(procname != NULL);
_GLFW_REQUIRE_INIT_OR_RETURN(NULL);
window = _glfwPlatformGetCurrentContext();
if (!window)
{
_glfwInputError(GLFW_NO_CURRENT_CONTEXT, NULL);
return NULL;
}
return window->context.getProcAddress(procname);
}

View File

@ -0,0 +1,746 @@
//========================================================================
// GLFW 3.2 EGL - www.glfw.org
//------------------------------------------------------------------------
// Copyright (c) 2002-2006 Marcus Geelnard
// Copyright (c) 2006-2016 Camilla Berglund <elmindreda@glfw.org>
//
// This software is provided 'as-is', without any express or implied
// warranty. In no event will the authors be held liable for any damages
// arising from the use of this software.
//
// Permission is granted to anyone to use this software for any purpose,
// including commercial applications, and to alter it and redistribute it
// freely, subject to the following restrictions:
//
// 1. The origin of this software must not be misrepresented; you must not
// claim that you wrote the original software. If you use this software
// in a product, an acknowledgment in the product documentation would
// be appreciated but is not required.
//
// 2. Altered source versions must be plainly marked as such, and must not
// be misrepresented as being the original software.
//
// 3. This notice may not be removed or altered from any source
// distribution.
//
//========================================================================
#include "internal.h"
#include <stdio.h>
#include <string.h>
#include <stdlib.h>
#include <assert.h>
// Return a description of the specified EGL error
//
static const char* getEGLErrorString(EGLint error)
{
switch (error)
{
case EGL_SUCCESS:
return "Success";
case EGL_NOT_INITIALIZED:
return "EGL is not or could not be initialized";
case EGL_BAD_ACCESS:
return "EGL cannot access a requested resource";
case EGL_BAD_ALLOC:
return "EGL failed to allocate resources for the requested operation";
case EGL_BAD_ATTRIBUTE:
return "An unrecognized attribute or attribute value was passed in the attribute list";
case EGL_BAD_CONTEXT:
return "An EGLContext argument does not name a valid EGL rendering context";
case EGL_BAD_CONFIG:
return "An EGLConfig argument does not name a valid EGL frame buffer configuration";
case EGL_BAD_CURRENT_SURFACE:
return "The current surface of the calling thread is a window, pixel buffer or pixmap that is no longer valid";
case EGL_BAD_DISPLAY:
return "An EGLDisplay argument does not name a valid EGL display connection";
case EGL_BAD_SURFACE:
return "An EGLSurface argument does not name a valid surface configured for GL rendering";
case EGL_BAD_MATCH:
return "Arguments are inconsistent";
case EGL_BAD_PARAMETER:
return "One or more argument values are invalid";
case EGL_BAD_NATIVE_PIXMAP:
return "A NativePixmapType argument does not refer to a valid native pixmap";
case EGL_BAD_NATIVE_WINDOW:
return "A NativeWindowType argument does not refer to a valid native window";
case EGL_CONTEXT_LOST:
return "The application must destroy all contexts and reinitialise";
default:
return "ERROR: UNKNOWN EGL ERROR";
}
}
// Returns the specified attribute of the specified EGLConfig
//
static int getEGLConfigAttrib(EGLConfig config, int attrib)
{
int value;
eglGetConfigAttrib(_glfw.egl.display, config, attrib, &value);
return value;
}
// Return the EGLConfig most closely matching the specified hints
//
static GLFWbool chooseEGLConfig(const _GLFWctxconfig* ctxconfig,
const _GLFWfbconfig* desired,
EGLConfig* result)
{
EGLConfig* nativeConfigs;
_GLFWfbconfig* usableConfigs;
const _GLFWfbconfig* closest;
int i, nativeCount, usableCount;
eglGetConfigs(_glfw.egl.display, NULL, 0, &nativeCount);
if (!nativeCount)
{
_glfwInputError(GLFW_API_UNAVAILABLE, "EGL: No EGLConfigs returned");
return GLFW_FALSE;
}
nativeConfigs = calloc(nativeCount, sizeof(EGLConfig));
eglGetConfigs(_glfw.egl.display, nativeConfigs, nativeCount, &nativeCount);
usableConfigs = calloc(nativeCount, sizeof(_GLFWfbconfig));
usableCount = 0;
for (i = 0; i < nativeCount; i++)
{
const EGLConfig n = nativeConfigs[i];
_GLFWfbconfig* u = usableConfigs + usableCount;
// Only consider RGB(A) EGLConfigs
if (!(getEGLConfigAttrib(n, EGL_COLOR_BUFFER_TYPE) & EGL_RGB_BUFFER))
continue;
// Only consider window EGLConfigs
if (!(getEGLConfigAttrib(n, EGL_SURFACE_TYPE) & EGL_WINDOW_BIT))
continue;
#if defined(_GLFW_X11)
// Only consider EGLConfigs with associated Visuals
if (!getEGLConfigAttrib(n, EGL_NATIVE_VISUAL_ID))
continue;
#endif // _GLFW_X11
if (ctxconfig->client == GLFW_OPENGL_ES_API)
{
if (ctxconfig->major == 1)
{
if (!(getEGLConfigAttrib(n, EGL_RENDERABLE_TYPE) & EGL_OPENGL_ES_BIT))
continue;
}
else
{
if (!(getEGLConfigAttrib(n, EGL_RENDERABLE_TYPE) & EGL_OPENGL_ES2_BIT))
continue;
}
}
else if (ctxconfig->client == GLFW_OPENGL_API)
{
if (!(getEGLConfigAttrib(n, EGL_RENDERABLE_TYPE) & EGL_OPENGL_BIT))
continue;
}
u->redBits = getEGLConfigAttrib(n, EGL_RED_SIZE);
u->greenBits = getEGLConfigAttrib(n, EGL_GREEN_SIZE);
u->blueBits = getEGLConfigAttrib(n, EGL_BLUE_SIZE);
u->alphaBits = getEGLConfigAttrib(n, EGL_ALPHA_SIZE);
u->depthBits = getEGLConfigAttrib(n, EGL_DEPTH_SIZE);
u->stencilBits = getEGLConfigAttrib(n, EGL_STENCIL_SIZE);
u->samples = getEGLConfigAttrib(n, EGL_SAMPLES);
u->doublebuffer = GLFW_TRUE;
u->handle = (uintptr_t) n;
usableCount++;
}
closest = _glfwChooseFBConfig(desired, usableConfigs, usableCount);
if (closest)
*result = (EGLConfig) closest->handle;
free(nativeConfigs);
free(usableConfigs);
return closest != NULL;
}
static void makeContextCurrentEGL(_GLFWwindow* window)
{
if (window)
{
if (!eglMakeCurrent(_glfw.egl.display,
window->context.egl.surface,
window->context.egl.surface,
window->context.egl.handle))
{
_glfwInputError(GLFW_PLATFORM_ERROR,
"EGL: Failed to make context current: %s",
getEGLErrorString(eglGetError()));
return;
}
}
else
{
if (!eglMakeCurrent(_glfw.egl.display,
EGL_NO_SURFACE,
EGL_NO_SURFACE,
EGL_NO_CONTEXT))
{
_glfwInputError(GLFW_PLATFORM_ERROR,
"EGL: Failed to clear current context: %s",
getEGLErrorString(eglGetError()));
return;
}
}
_glfwPlatformSetCurrentContext(window);
}
static void swapBuffersEGL(_GLFWwindow* window)
{
if (window != _glfwPlatformGetCurrentContext())
{
_glfwInputError(GLFW_PLATFORM_ERROR,
"EGL: The context must be current on the calling thread when swapping buffers");
return;
}
eglSwapBuffers(_glfw.egl.display, window->context.egl.surface);
}
static void swapIntervalEGL(int interval)
{
eglSwapInterval(_glfw.egl.display, interval);
}
static int extensionSupportedEGL(const char* extension)
{
const char* extensions = eglQueryString(_glfw.egl.display, EGL_EXTENSIONS);
if (extensions)
{
if (_glfwStringInExtensionString(extension, extensions))
return GLFW_TRUE;
}
return GLFW_FALSE;
}
static GLFWglproc getProcAddressEGL(const char* procname)
{
_GLFWwindow* window = _glfwPlatformGetCurrentContext();
if (window->context.egl.client)
{
GLFWglproc proc = (GLFWglproc) _glfw_dlsym(window->context.egl.client,
procname);
if (proc)
return proc;
}
return eglGetProcAddress(procname);
}
static void destroyContextEGL(_GLFWwindow* window)
{
#if defined(_GLFW_X11)
// NOTE: Do not unload libGL.so.1 while the X11 display is still open,
// as it will make XCloseDisplay segfault
if (window->context.client != GLFW_OPENGL_API)
#endif // _GLFW_X11
{
if (window->context.egl.client)
{
_glfw_dlclose(window->context.egl.client);
window->context.egl.client = NULL;
}
}
if (window->context.egl.surface)
{
eglDestroySurface(_glfw.egl.display, window->context.egl.surface);
window->context.egl.surface = EGL_NO_SURFACE;
}
if (window->context.egl.handle)
{
eglDestroyContext(_glfw.egl.display, window->context.egl.handle);
window->context.egl.handle = EGL_NO_CONTEXT;
}
}
//////////////////////////////////////////////////////////////////////////
////// GLFW internal API //////
//////////////////////////////////////////////////////////////////////////
// Initialize EGL
//
GLFWbool _glfwInitEGL(void)
{
int i;
const char* sonames[] =
{
#if defined(_GLFW_WIN32)
"libEGL.dll",
"EGL.dll",
#elif defined(_GLFW_COCOA)
"libEGL.dylib",
#else
"libEGL.so.1",
#endif
NULL
};
if (_glfw.egl.handle)
return GLFW_TRUE;
for (i = 0; sonames[i]; i++)
{
_glfw.egl.handle = _glfw_dlopen(sonames[i]);
if (_glfw.egl.handle)
break;
}
if (!_glfw.egl.handle)
{
_glfwInputError(GLFW_API_UNAVAILABLE, "EGL: Library not found");
return GLFW_FALSE;
}
_glfw.egl.prefix = (strncmp(sonames[i], "lib", 3) == 0);
_glfw.egl.GetConfigAttrib = (PFNEGLGETCONFIGATTRIBPROC)
_glfw_dlsym(_glfw.egl.handle, "eglGetConfigAttrib");
_glfw.egl.GetConfigs = (PFNEGLGETCONFIGSPROC)
_glfw_dlsym(_glfw.egl.handle, "eglGetConfigs");
_glfw.egl.GetDisplay = (PFNEGLGETDISPLAYPROC)
_glfw_dlsym(_glfw.egl.handle, "eglGetDisplay");
_glfw.egl.GetError = (PFNEGLGETERRORPROC)
_glfw_dlsym(_glfw.egl.handle, "eglGetError");
_glfw.egl.Initialize = (PFNEGLINITIALIZEPROC)
_glfw_dlsym(_glfw.egl.handle, "eglInitialize");
_glfw.egl.Terminate = (PFNEGLTERMINATEPROC)
_glfw_dlsym(_glfw.egl.handle, "eglTerminate");
_glfw.egl.BindAPI = (PFNEGLBINDAPIPROC)
_glfw_dlsym(_glfw.egl.handle, "eglBindAPI");
_glfw.egl.CreateContext = (PFNEGLCREATECONTEXTPROC)
_glfw_dlsym(_glfw.egl.handle, "eglCreateContext");
_glfw.egl.DestroySurface = (PFNEGLDESTROYSURFACEPROC)
_glfw_dlsym(_glfw.egl.handle, "eglDestroySurface");
_glfw.egl.DestroyContext = (PFNEGLDESTROYCONTEXTPROC)
_glfw_dlsym(_glfw.egl.handle, "eglDestroyContext");
_glfw.egl.CreateWindowSurface = (PFNEGLCREATEWINDOWSURFACEPROC)
_glfw_dlsym(_glfw.egl.handle, "eglCreateWindowSurface");
_glfw.egl.MakeCurrent = (PFNEGLMAKECURRENTPROC)
_glfw_dlsym(_glfw.egl.handle, "eglMakeCurrent");
_glfw.egl.SwapBuffers = (PFNEGLSWAPBUFFERSPROC)
_glfw_dlsym(_glfw.egl.handle, "eglSwapBuffers");
_glfw.egl.SwapInterval = (PFNEGLSWAPINTERVALPROC)
_glfw_dlsym(_glfw.egl.handle, "eglSwapInterval");
_glfw.egl.QueryString = (PFNEGLQUERYSTRINGPROC)
_glfw_dlsym(_glfw.egl.handle, "eglQueryString");
_glfw.egl.GetProcAddress = (PFNEGLGETPROCADDRESSPROC)
_glfw_dlsym(_glfw.egl.handle, "eglGetProcAddress");
if (!_glfw.egl.GetConfigAttrib ||
!_glfw.egl.GetConfigs ||
!_glfw.egl.GetDisplay ||
!_glfw.egl.GetError ||
!_glfw.egl.Initialize ||
!_glfw.egl.Terminate ||
!_glfw.egl.BindAPI ||
!_glfw.egl.CreateContext ||
!_glfw.egl.DestroySurface ||
!_glfw.egl.DestroyContext ||
!_glfw.egl.CreateWindowSurface ||
!_glfw.egl.MakeCurrent ||
!_glfw.egl.SwapBuffers ||
!_glfw.egl.SwapInterval ||
!_glfw.egl.QueryString ||
!_glfw.egl.GetProcAddress)
{
_glfwInputError(GLFW_PLATFORM_ERROR,
"EGL: Failed to load required entry points");
_glfwTerminateEGL();
return GLFW_FALSE;
}
_glfw.egl.display = eglGetDisplay(_GLFW_EGL_NATIVE_DISPLAY);
if (_glfw.egl.display == EGL_NO_DISPLAY)
{
_glfwInputError(GLFW_API_UNAVAILABLE,
"EGL: Failed to get EGL display: %s",
getEGLErrorString(eglGetError()));
_glfwTerminateEGL();
return GLFW_FALSE;
}
if (!eglInitialize(_glfw.egl.display, &_glfw.egl.major, &_glfw.egl.minor))
{
_glfwInputError(GLFW_API_UNAVAILABLE,
"EGL: Failed to initialize EGL: %s",
getEGLErrorString(eglGetError()));
_glfwTerminateEGL();
return GLFW_FALSE;
}
_glfw.egl.KHR_create_context =
extensionSupportedEGL("EGL_KHR_create_context");
_glfw.egl.KHR_create_context_no_error =
extensionSupportedEGL("EGL_KHR_create_context_no_error");
_glfw.egl.KHR_gl_colorspace =
extensionSupportedEGL("EGL_KHR_gl_colorspace");
return GLFW_TRUE;
}
// Terminate EGL
//
void _glfwTerminateEGL(void)
{
if (_glfw.egl.display)
{
eglTerminate(_glfw.egl.display);
_glfw.egl.display = EGL_NO_DISPLAY;
}
if (_glfw.egl.handle)
{
_glfw_dlclose(_glfw.egl.handle);
_glfw.egl.handle = NULL;
}
}
#define setEGLattrib(attribName, attribValue) \
{ \
attribs[index++] = attribName; \
attribs[index++] = attribValue; \
assert((size_t) index < sizeof(attribs) / sizeof(attribs[0])); \
}
// Create the OpenGL or OpenGL ES context
//
GLFWbool _glfwCreateContextEGL(_GLFWwindow* window,
const _GLFWctxconfig* ctxconfig,
const _GLFWfbconfig* fbconfig)
{
EGLint attribs[40];
EGLConfig config;
EGLContext share = NULL;
if (!_glfw.egl.display)
{
_glfwInputError(GLFW_API_UNAVAILABLE, "EGL: API not available");
return GLFW_FALSE;
}
if (ctxconfig->share)
share = ctxconfig->share->context.egl.handle;
if (!chooseEGLConfig(ctxconfig, fbconfig, &config))
{
_glfwInputError(GLFW_FORMAT_UNAVAILABLE,
"EGL: Failed to find a suitable EGLConfig");
return GLFW_FALSE;
}
if (ctxconfig->client == GLFW_OPENGL_ES_API)
{
if (!eglBindAPI(EGL_OPENGL_ES_API))
{
_glfwInputError(GLFW_API_UNAVAILABLE,
"EGL: Failed to bind OpenGL ES: %s",
getEGLErrorString(eglGetError()));
return GLFW_FALSE;
}
}
else
{
if (!eglBindAPI(EGL_OPENGL_API))
{
_glfwInputError(GLFW_API_UNAVAILABLE,
"EGL: Failed to bind OpenGL: %s",
getEGLErrorString(eglGetError()));
return GLFW_FALSE;
}
}
if (_glfw.egl.KHR_create_context)
{
int index = 0, mask = 0, flags = 0;
if (ctxconfig->client == GLFW_OPENGL_API)
{
if (ctxconfig->forward)
flags |= EGL_CONTEXT_OPENGL_FORWARD_COMPATIBLE_BIT_KHR;
if (ctxconfig->profile == GLFW_OPENGL_CORE_PROFILE)
mask |= EGL_CONTEXT_OPENGL_CORE_PROFILE_BIT_KHR;
else if (ctxconfig->profile == GLFW_OPENGL_COMPAT_PROFILE)
mask |= EGL_CONTEXT_OPENGL_COMPATIBILITY_PROFILE_BIT_KHR;
if (_glfw.egl.KHR_create_context_no_error)
{
if (ctxconfig->noerror)
flags |= EGL_CONTEXT_OPENGL_NO_ERROR_KHR;
}
}
if (ctxconfig->debug)
flags |= EGL_CONTEXT_OPENGL_DEBUG_BIT_KHR;
if (ctxconfig->robustness)
{
if (ctxconfig->robustness == GLFW_NO_RESET_NOTIFICATION)
{
setEGLattrib(EGL_CONTEXT_OPENGL_RESET_NOTIFICATION_STRATEGY_KHR,
EGL_NO_RESET_NOTIFICATION_KHR);
}
else if (ctxconfig->robustness == GLFW_LOSE_CONTEXT_ON_RESET)
{
setEGLattrib(EGL_CONTEXT_OPENGL_RESET_NOTIFICATION_STRATEGY_KHR,
EGL_LOSE_CONTEXT_ON_RESET_KHR);
}
flags |= EGL_CONTEXT_OPENGL_ROBUST_ACCESS_BIT_KHR;
}
if (ctxconfig->major != 1 || ctxconfig->minor != 0)
{
setEGLattrib(EGL_CONTEXT_MAJOR_VERSION_KHR, ctxconfig->major);
setEGLattrib(EGL_CONTEXT_MINOR_VERSION_KHR, ctxconfig->minor);
}
if (mask)
setEGLattrib(EGL_CONTEXT_OPENGL_PROFILE_MASK_KHR, mask);
if (flags)
setEGLattrib(EGL_CONTEXT_FLAGS_KHR, flags);
setEGLattrib(EGL_NONE, EGL_NONE);
}
else
{
int index = 0;
if (ctxconfig->client == GLFW_OPENGL_ES_API)
setEGLattrib(EGL_CONTEXT_CLIENT_VERSION, ctxconfig->major);
setEGLattrib(EGL_NONE, EGL_NONE);
}
// Context release behaviors (GL_KHR_context_flush_control) are not yet
// supported on EGL but are not a hard constraint, so ignore and continue
window->context.egl.handle = eglCreateContext(_glfw.egl.display,
config, share, attribs);
if (window->context.egl.handle == EGL_NO_CONTEXT)
{
_glfwInputError(GLFW_VERSION_UNAVAILABLE,
"EGL: Failed to create context: %s",
getEGLErrorString(eglGetError()));
return GLFW_FALSE;
}
// Set up attributes for surface creation
{
int index = 0;
if (fbconfig->sRGB)
{
if (_glfw.egl.KHR_gl_colorspace)
{
setEGLattrib(EGL_GL_COLORSPACE_KHR, EGL_GL_COLORSPACE_SRGB_KHR);
}
}
setEGLattrib(EGL_NONE, EGL_NONE);
}
window->context.egl.surface =
eglCreateWindowSurface(_glfw.egl.display,
config,
_GLFW_EGL_NATIVE_WINDOW,
attribs);
if (window->context.egl.surface == EGL_NO_SURFACE)
{
_glfwInputError(GLFW_PLATFORM_ERROR,
"EGL: Failed to create window surface: %s",
getEGLErrorString(eglGetError()));
return GLFW_FALSE;
}
window->context.egl.config = config;
// Load the appropriate client library
{
int i;
const char** sonames;
const char* es1sonames[] =
{
#if defined(_GLFW_WIN32)
"GLESv1_CM.dll",
"libGLES_CM.dll",
#elif defined(_GLFW_COCOA)
"libGLESv1_CM.dylib",
#else
"libGLESv1_CM.so.1",
"libGLES_CM.so.1",
#endif
NULL
};
const char* es2sonames[] =
{
#if defined(_GLFW_WIN32)
"GLESv2.dll",
"libGLESv2.dll",
#elif defined(_GLFW_COCOA)
"libGLESv2.dylib",
#else
"libGLESv2.so.2",
#endif
NULL
};
const char* glsonames[] =
{
#if defined(_GLFW_WIN32)
#elif defined(_GLFW_COCOA)
#else
"libGL.so.1",
#endif
NULL
};
if (ctxconfig->client == GLFW_OPENGL_ES_API)
{
if (ctxconfig->major == 1)
sonames = es1sonames;
else
sonames = es2sonames;
}
else
sonames = glsonames;
for (i = 0; sonames[i]; i++)
{
// HACK: Match presence of lib prefix to increase chance of finding
// a matching pair in the jungle that is Win32 EGL/GLES
if (_glfw.egl.prefix != (strncmp(sonames[i], "lib", 3) == 0))
continue;
window->context.egl.client = _glfw_dlopen(sonames[i]);
if (window->context.egl.client)
break;
}
if (!window->context.egl.client)
{
_glfwInputError(GLFW_API_UNAVAILABLE,
"EGL: Failed to load client library");
return GLFW_FALSE;
}
}
window->context.makeCurrent = makeContextCurrentEGL;
window->context.swapBuffers = swapBuffersEGL;
window->context.swapInterval = swapIntervalEGL;
window->context.extensionSupported = extensionSupportedEGL;
window->context.getProcAddress = getProcAddressEGL;
window->context.destroy = destroyContextEGL;
return GLFW_TRUE;
}
#undef setEGLattrib
// Returns the Visual and depth of the chosen EGLConfig
//
#if defined(_GLFW_X11)
GLFWbool _glfwChooseVisualEGL(const _GLFWctxconfig* ctxconfig,
const _GLFWfbconfig* fbconfig,
Visual** visual, int* depth)
{
XVisualInfo* result;
XVisualInfo desired;
EGLConfig native;
EGLint visualID = 0, count = 0;
const long vimask = VisualScreenMask | VisualIDMask;
if (!chooseEGLConfig(ctxconfig, fbconfig, &native))
{
_glfwInputError(GLFW_FORMAT_UNAVAILABLE,
"EGL: Failed to find a suitable EGLConfig");
return GLFW_FALSE;
}
eglGetConfigAttrib(_glfw.egl.display, native,
EGL_NATIVE_VISUAL_ID, &visualID);
desired.screen = _glfw.x11.screen;
desired.visualid = visualID;
result = XGetVisualInfo(_glfw.x11.display, vimask, &desired, &count);
if (!result)
{
_glfwInputError(GLFW_PLATFORM_ERROR,
"EGL: Failed to retrieve Visual for EGLConfig");
return GLFW_FALSE;
}
*visual = result->visual;
*depth = result->depth;
XFree(result);
return GLFW_TRUE;
}
#endif // _GLFW_X11
//////////////////////////////////////////////////////////////////////////
////// GLFW native API //////
//////////////////////////////////////////////////////////////////////////
GLFWAPI EGLDisplay glfwGetEGLDisplay(void)
{
_GLFW_REQUIRE_INIT_OR_RETURN(EGL_NO_DISPLAY);
return _glfw.egl.display;
}
GLFWAPI EGLContext glfwGetEGLContext(GLFWwindow* handle)
{
_GLFWwindow* window = (_GLFWwindow*) handle;
_GLFW_REQUIRE_INIT_OR_RETURN(EGL_NO_CONTEXT);
if (window->context.client == GLFW_NO_API)
{
_glfwInputError(GLFW_NO_WINDOW_CONTEXT, NULL);
return EGL_NO_CONTEXT;
}
return window->context.egl.handle;
}
GLFWAPI EGLSurface glfwGetEGLSurface(GLFWwindow* handle)
{
_GLFWwindow* window = (_GLFWwindow*) handle;
_GLFW_REQUIRE_INIT_OR_RETURN(EGL_NO_SURFACE);
if (window->context.client == GLFW_NO_API)
{
_glfwInputError(GLFW_NO_WINDOW_CONTEXT, NULL);
return EGL_NO_SURFACE;
}
return window->context.egl.surface;
}

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//========================================================================
// GLFW 3.2 EGL - www.glfw.org
//------------------------------------------------------------------------
// Copyright (c) 2002-2006 Marcus Geelnard
// Copyright (c) 2006-2016 Camilla Berglund <elmindreda@glfw.org>
//
// This software is provided 'as-is', without any express or implied
// warranty. In no event will the authors be held liable for any damages
// arising from the use of this software.
//
// Permission is granted to anyone to use this software for any purpose,
// including commercial applications, and to alter it and redistribute it
// freely, subject to the following restrictions:
//
// 1. The origin of this software must not be misrepresented; you must not
// claim that you wrote the original software. If you use this software
// in a product, an acknowledgment in the product documentation would
// be appreciated but is not required.
//
// 2. Altered source versions must be plainly marked as such, and must not
// be misrepresented as being the original software.
//
// 3. This notice may not be removed or altered from any source
// distribution.
//
//========================================================================
#ifndef _glfw3_egl_context_h_
#define _glfw3_egl_context_h_
#if defined(_GLFW_USE_EGLPLATFORM_H)
#include <EGL/eglplatform.h>
#elif defined(_GLFW_WIN32)
#define EGLAPIENTRY __stdcall
typedef HDC EGLNativeDisplayType;
typedef HWND EGLNativeWindowType;
#elif defined(_GLFW_X11)
#define EGLAPIENTRY
typedef Display* EGLNativeDisplayType;
typedef Window EGLNativeWindowType;
#elif defined(_GLFW_WAYLAND)
#define EGLAPIENTRY
typedef struct wl_display* EGLNativeDisplayType;
typedef struct wl_egl_window* EGLNativeWindowType;
#elif defined(_GLFW_MIR)
#define EGLAPIENTRY
typedef MirEGLNativeDisplayType EGLNativeDisplayType;
typedef MirEGLNativeWindowType EGLNativeWindowType;
#else
#error "No supported EGL platform selected"
#endif
#define EGL_SUCCESS 0x3000
#define EGL_NOT_INITIALIZED 0x3001
#define EGL_BAD_ACCESS 0x3002
#define EGL_BAD_ALLOC 0x3003
#define EGL_BAD_ATTRIBUTE 0x3004
#define EGL_BAD_CONFIG 0x3005
#define EGL_BAD_CONTEXT 0x3006
#define EGL_BAD_CURRENT_SURFACE 0x3007
#define EGL_BAD_DISPLAY 0x3008
#define EGL_BAD_MATCH 0x3009
#define EGL_BAD_NATIVE_PIXMAP 0x300a
#define EGL_BAD_NATIVE_WINDOW 0x300b
#define EGL_BAD_PARAMETER 0x300c
#define EGL_BAD_SURFACE 0x300d
#define EGL_CONTEXT_LOST 0x300e
#define EGL_COLOR_BUFFER_TYPE 0x303f
#define EGL_RGB_BUFFER 0x308e
#define EGL_SURFACE_TYPE 0x3033
#define EGL_WINDOW_BIT 0x0004
#define EGL_RENDERABLE_TYPE 0x3040
#define EGL_OPENGL_ES_BIT 0x0001
#define EGL_OPENGL_ES2_BIT 0x0004
#define EGL_OPENGL_BIT 0x0008
#define EGL_ALPHA_SIZE 0x3021
#define EGL_BLUE_SIZE 0x3022
#define EGL_GREEN_SIZE 0x3023
#define EGL_RED_SIZE 0x3024
#define EGL_DEPTH_SIZE 0x3025
#define EGL_STENCIL_SIZE 0x3026
#define EGL_SAMPLES 0x3031
#define EGL_OPENGL_ES_API 0x30a0
#define EGL_OPENGL_API 0x30a2
#define EGL_NONE 0x3038
#define EGL_EXTENSIONS 0x3055
#define EGL_CONTEXT_CLIENT_VERSION 0x3098
#define EGL_NATIVE_VISUAL_ID 0x302e
#define EGL_NO_SURFACE ((EGLSurface) 0)
#define EGL_NO_DISPLAY ((EGLDisplay) 0)
#define EGL_NO_CONTEXT ((EGLContext) 0)
#define EGL_DEFAULT_DISPLAY ((EGLNativeDisplayType) 0)
#define EGL_CONTEXT_OPENGL_FORWARD_COMPATIBLE_BIT_KHR 0x00000002
#define EGL_CONTEXT_OPENGL_CORE_PROFILE_BIT_KHR 0x00000001
#define EGL_CONTEXT_OPENGL_COMPATIBILITY_PROFILE_BIT_KHR 0x00000002
#define EGL_CONTEXT_OPENGL_DEBUG_BIT_KHR 0x00000001
#define EGL_CONTEXT_OPENGL_RESET_NOTIFICATION_STRATEGY_KHR 0x31bd
#define EGL_NO_RESET_NOTIFICATION_KHR 0x31be
#define EGL_LOSE_CONTEXT_ON_RESET_KHR 0x31bf
#define EGL_CONTEXT_OPENGL_ROBUST_ACCESS_BIT_KHR 0x00000004
#define EGL_CONTEXT_MAJOR_VERSION_KHR 0x3098
#define EGL_CONTEXT_MINOR_VERSION_KHR 0x30fb
#define EGL_CONTEXT_OPENGL_PROFILE_MASK_KHR 0x30fd
#define EGL_CONTEXT_FLAGS_KHR 0x30fc
#define EGL_CONTEXT_OPENGL_NO_ERROR_KHR 0x31b3
#define EGL_GL_COLORSPACE_KHR 0x309d
#define EGL_GL_COLORSPACE_SRGB_KHR 0x3089
typedef int EGLint;
typedef unsigned int EGLBoolean;
typedef unsigned int EGLenum;
typedef void* EGLConfig;
typedef void* EGLContext;
typedef void* EGLDisplay;
typedef void* EGLSurface;
// EGL function pointer typedefs
typedef EGLBoolean (EGLAPIENTRY * PFNEGLGETCONFIGATTRIBPROC)(EGLDisplay,EGLConfig,EGLint,EGLint*);
typedef EGLBoolean (EGLAPIENTRY * PFNEGLGETCONFIGSPROC)(EGLDisplay,EGLConfig*,EGLint,EGLint*);
typedef EGLDisplay (EGLAPIENTRY * PFNEGLGETDISPLAYPROC)(EGLNativeDisplayType);
typedef EGLint (EGLAPIENTRY * PFNEGLGETERRORPROC)(void);
typedef EGLBoolean (EGLAPIENTRY * PFNEGLINITIALIZEPROC)(EGLDisplay,EGLint*,EGLint*);
typedef EGLBoolean (EGLAPIENTRY * PFNEGLTERMINATEPROC)(EGLDisplay);
typedef EGLBoolean (EGLAPIENTRY * PFNEGLBINDAPIPROC)(EGLenum);
typedef EGLContext (EGLAPIENTRY * PFNEGLCREATECONTEXTPROC)(EGLDisplay,EGLConfig,EGLContext,const EGLint*);
typedef EGLBoolean (EGLAPIENTRY * PFNEGLDESTROYSURFACEPROC)(EGLDisplay,EGLSurface);
typedef EGLBoolean (EGLAPIENTRY * PFNEGLDESTROYCONTEXTPROC)(EGLDisplay,EGLContext);
typedef EGLSurface (EGLAPIENTRY * PFNEGLCREATEWINDOWSURFACEPROC)(EGLDisplay,EGLConfig,EGLNativeWindowType,const EGLint*);
typedef EGLBoolean (EGLAPIENTRY * PFNEGLMAKECURRENTPROC)(EGLDisplay,EGLSurface,EGLSurface,EGLContext);
typedef EGLBoolean (EGLAPIENTRY * PFNEGLSWAPBUFFERSPROC)(EGLDisplay,EGLSurface);
typedef EGLBoolean (EGLAPIENTRY * PFNEGLSWAPINTERVALPROC)(EGLDisplay,EGLint);
typedef const char* (EGLAPIENTRY * PFNEGLQUERYSTRINGPROC)(EGLDisplay,EGLint);
typedef GLFWglproc (EGLAPIENTRY * PFNEGLGETPROCADDRESSPROC)(const char*);
#define eglGetConfigAttrib _glfw.egl.GetConfigAttrib
#define eglGetConfigs _glfw.egl.GetConfigs
#define eglGetDisplay _glfw.egl.GetDisplay
#define eglGetError _glfw.egl.GetError
#define eglInitialize _glfw.egl.Initialize
#define eglTerminate _glfw.egl.Terminate
#define eglBindAPI _glfw.egl.BindAPI
#define eglCreateContext _glfw.egl.CreateContext
#define eglDestroySurface _glfw.egl.DestroySurface
#define eglDestroyContext _glfw.egl.DestroyContext
#define eglCreateWindowSurface _glfw.egl.CreateWindowSurface
#define eglMakeCurrent _glfw.egl.MakeCurrent
#define eglSwapBuffers _glfw.egl.SwapBuffers
#define eglSwapInterval _glfw.egl.SwapInterval
#define eglQueryString _glfw.egl.QueryString
#define eglGetProcAddress _glfw.egl.GetProcAddress
#define _GLFW_EGL_CONTEXT_STATE _GLFWcontextEGL egl
#define _GLFW_EGL_LIBRARY_CONTEXT_STATE _GLFWlibraryEGL egl
// EGL-specific per-context data
//
typedef struct _GLFWcontextEGL
{
EGLConfig config;
EGLContext handle;
EGLSurface surface;
void* client;
} _GLFWcontextEGL;
// EGL-specific global data
//
typedef struct _GLFWlibraryEGL
{
EGLDisplay display;
EGLint major, minor;
GLFWbool prefix;
GLFWbool KHR_create_context;
GLFWbool KHR_create_context_no_error;
GLFWbool KHR_gl_colorspace;
void* handle;
PFNEGLGETCONFIGATTRIBPROC GetConfigAttrib;
PFNEGLGETCONFIGSPROC GetConfigs;
PFNEGLGETDISPLAYPROC GetDisplay;
PFNEGLGETERRORPROC GetError;
PFNEGLINITIALIZEPROC Initialize;
PFNEGLTERMINATEPROC Terminate;
PFNEGLBINDAPIPROC BindAPI;
PFNEGLCREATECONTEXTPROC CreateContext;
PFNEGLDESTROYSURFACEPROC DestroySurface;
PFNEGLDESTROYCONTEXTPROC DestroyContext;
PFNEGLCREATEWINDOWSURFACEPROC CreateWindowSurface;
PFNEGLMAKECURRENTPROC MakeCurrent;
PFNEGLSWAPBUFFERSPROC SwapBuffers;
PFNEGLSWAPINTERVALPROC SwapInterval;
PFNEGLQUERYSTRINGPROC QueryString;
PFNEGLGETPROCADDRESSPROC GetProcAddress;
} _GLFWlibraryEGL;
GLFWbool _glfwInitEGL(void);
void _glfwTerminateEGL(void);
GLFWbool _glfwCreateContextEGL(_GLFWwindow* window,
const _GLFWctxconfig* ctxconfig,
const _GLFWfbconfig* fbconfig);
#if defined(_GLFW_X11)
GLFWbool _glfwChooseVisualEGL(const _GLFWctxconfig* ctxconfig,
const _GLFWfbconfig* fbconfig,
Visual** visual, int* depth);
#endif /*_GLFW_X11*/
#endif // _glfw3_egl_context_h_

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//========================================================================
// GLFW 3.2 - www.glfw.org
//------------------------------------------------------------------------
// Copyright (c) 2002-2006 Marcus Geelnard
// Copyright (c) 2006-2016 Camilla Berglund <elmindreda@glfw.org>
//
// This software is provided 'as-is', without any express or implied
// warranty. In no event will the authors be held liable for any damages
// arising from the use of this software.
//
// Permission is granted to anyone to use this software for any purpose,
// including commercial applications, and to alter it and redistribute it
// freely, subject to the following restrictions:
//
// 1. The origin of this software must not be misrepresented; you must not
// claim that you wrote the original software. If you use this software
// in a product, an acknowledgment in the product documentation would
// be appreciated but is not required.
//
// 2. Altered source versions must be plainly marked as such, and must not
// be misrepresented as being the original software.
//
// 3. This notice may not be removed or altered from any source
// distribution.
//
//========================================================================
#include "internal.h"
#include <string.h>
#include <stdlib.h>
#include <stdio.h>
#include <stdarg.h>
// The three global variables below comprise all global data in GLFW.
// Any other global variable is a bug.
// Global state shared between compilation units of GLFW
// These are documented in internal.h
//
GLFWbool _glfwInitialized = GLFW_FALSE;
_GLFWlibrary _glfw;
// This is outside of _glfw so it can be initialized and usable before
// glfwInit is called, which lets that function report errors
//
static GLFWerrorfun _glfwErrorCallback = NULL;
// Returns a generic string representation of the specified error
//
static const char* getErrorString(int error)
{
switch (error)
{
case GLFW_NOT_INITIALIZED:
return "The GLFW library is not initialized";
case GLFW_NO_CURRENT_CONTEXT:
return "There is no current context";
case GLFW_INVALID_ENUM:
return "Invalid argument for enum parameter";
case GLFW_INVALID_VALUE:
return "Invalid value for parameter";
case GLFW_OUT_OF_MEMORY:
return "Out of memory";
case GLFW_API_UNAVAILABLE:
return "The requested API is unavailable";
case GLFW_VERSION_UNAVAILABLE:
return "The requested API version is unavailable";
case GLFW_PLATFORM_ERROR:
return "A platform-specific error occurred";
case GLFW_FORMAT_UNAVAILABLE:
return "The requested format is unavailable";
case GLFW_NO_WINDOW_CONTEXT:
return "The specified window has no context";
default:
return "ERROR: UNKNOWN GLFW ERROR";
}
}
//////////////////////////////////////////////////////////////////////////
////// GLFW event API //////
//////////////////////////////////////////////////////////////////////////
void _glfwInputError(int error, const char* format, ...)
{
if (_glfwErrorCallback)
{
char buffer[8192];
const char* description;
if (format)
{
int count;
va_list vl;
va_start(vl, format);
count = vsnprintf(buffer, sizeof(buffer), format, vl);
va_end(vl);
if (count < 0)
buffer[sizeof(buffer) - 1] = '\0';
description = buffer;
}
else
description = getErrorString(error);
_glfwErrorCallback(error, description);
}
}
//////////////////////////////////////////////////////////////////////////
////// GLFW public API //////
//////////////////////////////////////////////////////////////////////////
GLFWAPI int glfwInit(void)
{
if (_glfwInitialized)
return GLFW_TRUE;
memset(&_glfw, 0, sizeof(_glfw));
if (!_glfwPlatformInit())
{
_glfwPlatformTerminate();
return GLFW_FALSE;
}
_glfw.monitors = _glfwPlatformGetMonitors(&_glfw.monitorCount);
_glfwInitialized = GLFW_TRUE;
_glfw.timerOffset = _glfwPlatformGetTimerValue();
// Not all window hints have zero as their default value
glfwDefaultWindowHints();
return GLFW_TRUE;
}
GLFWAPI void glfwTerminate(void)
{
int i;
if (!_glfwInitialized)
return;
memset(&_glfw.callbacks, 0, sizeof(_glfw.callbacks));
while (_glfw.windowListHead)
glfwDestroyWindow((GLFWwindow*) _glfw.windowListHead);
while (_glfw.cursorListHead)
glfwDestroyCursor((GLFWcursor*) _glfw.cursorListHead);
for (i = 0; i < _glfw.monitorCount; i++)
{
_GLFWmonitor* monitor = _glfw.monitors[i];
if (monitor->originalRamp.size)
_glfwPlatformSetGammaRamp(monitor, &monitor->originalRamp);
}
_glfwTerminateVulkan();
_glfwFreeMonitors(_glfw.monitors, _glfw.monitorCount);
_glfw.monitors = NULL;
_glfw.monitorCount = 0;
_glfwPlatformTerminate();
memset(&_glfw, 0, sizeof(_glfw));
_glfwInitialized = GLFW_FALSE;
}
GLFWAPI void glfwGetVersion(int* major, int* minor, int* rev)
{
if (major != NULL)
*major = GLFW_VERSION_MAJOR;
if (minor != NULL)
*minor = GLFW_VERSION_MINOR;
if (rev != NULL)
*rev = GLFW_VERSION_REVISION;
}
GLFWAPI const char* glfwGetVersionString(void)
{
return _glfwPlatformGetVersionString();
}
GLFWAPI GLFWerrorfun glfwSetErrorCallback(GLFWerrorfun cbfun)
{
_GLFW_SWAP_POINTERS(_glfwErrorCallback, cbfun);
return cbfun;
}

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//========================================================================
// GLFW 3.2 - www.glfw.org
//------------------------------------------------------------------------
// Copyright (c) 2002-2006 Marcus Geelnard
// Copyright (c) 2006-2016 Camilla Berglund <elmindreda@glfw.org>
//
// This software is provided 'as-is', without any express or implied
// warranty. In no event will the authors be held liable for any damages
// arising from the use of this software.
//
// Permission is granted to anyone to use this software for any purpose,
// including commercial applications, and to alter it and redistribute it
// freely, subject to the following restrictions:
//
// 1. The origin of this software must not be misrepresented; you must not
// claim that you wrote the original software. If you use this software
// in a product, an acknowledgment in the product documentation would
// be appreciated but is not required.
//
// 2. Altered source versions must be plainly marked as such, and must not
// be misrepresented as being the original software.
//
// 3. This notice may not be removed or altered from any source
// distribution.
//
//========================================================================
#include "internal.h"
#include <assert.h>
#include <float.h>
#include <stdlib.h>
// Internal key state used for sticky keys
#define _GLFW_STICK 3
//////////////////////////////////////////////////////////////////////////
////// GLFW event API //////
//////////////////////////////////////////////////////////////////////////
void _glfwInputKey(_GLFWwindow* window, int key, int scancode, int action, int mods)
{
if (key >= 0 && key <= GLFW_KEY_LAST)
{
GLFWbool repeated = GLFW_FALSE;
if (action == GLFW_RELEASE && window->keys[key] == GLFW_RELEASE)
return;
if (action == GLFW_PRESS && window->keys[key] == GLFW_PRESS)
repeated = GLFW_TRUE;
if (action == GLFW_RELEASE && window->stickyKeys)
window->keys[key] = _GLFW_STICK;
else
window->keys[key] = (char) action;
if (repeated)
action = GLFW_REPEAT;
}
if (window->callbacks.key)
window->callbacks.key((GLFWwindow*) window, key, scancode, action, mods);
}
void _glfwInputChar(_GLFWwindow* window, unsigned int codepoint, int mods, GLFWbool plain)
{
if (codepoint < 32 || (codepoint > 126 && codepoint < 160))
return;
if (window->callbacks.charmods)
window->callbacks.charmods((GLFWwindow*) window, codepoint, mods);
if (plain)
{
if (window->callbacks.character)
window->callbacks.character((GLFWwindow*) window, codepoint);
}
}
void _glfwInputScroll(_GLFWwindow* window, double xoffset, double yoffset)
{
if (window->callbacks.scroll)
window->callbacks.scroll((GLFWwindow*) window, &xoffset, &yoffset);
}
void _glfwInputMouseClick(_GLFWwindow* window, int button, int action, int mods)
{
if (button < 0 || button > GLFW_MOUSE_BUTTON_LAST)
return;
// Register mouse button action
if (action == GLFW_RELEASE && window->stickyMouseButtons)
window->mouseButtons[button] = _GLFW_STICK;
else
window->mouseButtons[button] = (char) action;
if (window->callbacks.mouseButton)
window->callbacks.mouseButton((GLFWwindow*) window, button, action, mods);
}
void _glfwInputCursorPos(_GLFWwindow* window, double xpos, double ypos)
{
if (window->virtualCursorPosX == xpos && window->virtualCursorPosY == ypos)
return;
window->virtualCursorPosX = xpos;
window->virtualCursorPosY = ypos;
if (window->callbacks.cursorPos)
window->callbacks.cursorPos((GLFWwindow*) window, xpos, ypos);
}
void _glfwInputCursorEnter(_GLFWwindow* window, GLFWbool entered)
{
if (window->callbacks.cursorEnter)
window->callbacks.cursorEnter((GLFWwindow*) window, entered);
}
void _glfwInputDrop(_GLFWwindow* window, int count, const char** paths)
{
if (window->callbacks.drop)
window->callbacks.drop((GLFWwindow*) window, count, paths);
}
void _glfwInputJoystickChange(int joy, int event)
{
if (_glfw.callbacks.joystick)
_glfw.callbacks.joystick(joy, event);
}
//////////////////////////////////////////////////////////////////////////
////// GLFW internal API //////
//////////////////////////////////////////////////////////////////////////
GLFWbool _glfwIsPrintable(int key)
{
return (key >= GLFW_KEY_APOSTROPHE && key <= GLFW_KEY_WORLD_2) ||
(key >= GLFW_KEY_KP_0 && key <= GLFW_KEY_KP_ADD) ||
key == GLFW_KEY_KP_EQUAL;
}
//////////////////////////////////////////////////////////////////////////
////// GLFW public API //////
//////////////////////////////////////////////////////////////////////////
GLFWAPI int glfwGetInputMode(GLFWwindow* handle, int mode)
{
_GLFWwindow* window = (_GLFWwindow*) handle;
assert(window != NULL);
_GLFW_REQUIRE_INIT_OR_RETURN(0);
switch (mode)
{
case GLFW_CURSOR:
return window->cursorMode;
case GLFW_STICKY_KEYS:
return window->stickyKeys;
case GLFW_STICKY_MOUSE_BUTTONS:
return window->stickyMouseButtons;
default:
_glfwInputError(GLFW_INVALID_ENUM, "Invalid input mode %i", mode);
return 0;
}
}
GLFWAPI void glfwSetInputMode(GLFWwindow* handle, int mode, int value)
{
_GLFWwindow* window = (_GLFWwindow*) handle;
assert(window != NULL);
_GLFW_REQUIRE_INIT();
switch (mode)
{
case GLFW_CURSOR:
{
if (value != GLFW_CURSOR_NORMAL &&
value != GLFW_CURSOR_HIDDEN &&
value != GLFW_CURSOR_DISABLED)
{
_glfwInputError(GLFW_INVALID_ENUM,
"Invalid cursor mode %i",
value);
return;
}
if (window->cursorMode == value)
return;
window->cursorMode = value;
_glfwPlatformGetCursorPos(window,
&window->virtualCursorPosX,
&window->virtualCursorPosY);
if (_glfwPlatformWindowFocused(window))
_glfwPlatformSetCursorMode(window, value);
return;
}
case GLFW_STICKY_KEYS:
{
if (window->stickyKeys == value)
return;
if (!value)
{
int i;
// Release all sticky keys
for (i = 0; i <= GLFW_KEY_LAST; i++)
{
if (window->keys[i] == _GLFW_STICK)
window->keys[i] = GLFW_RELEASE;
}
}
window->stickyKeys = value ? GLFW_TRUE : GLFW_FALSE;
return;
}
case GLFW_STICKY_MOUSE_BUTTONS:
{
if (window->stickyMouseButtons == value)
return;
if (!value)
{
int i;
// Release all sticky mouse buttons
for (i = 0; i <= GLFW_MOUSE_BUTTON_LAST; i++)
{
if (window->mouseButtons[i] == _GLFW_STICK)
window->mouseButtons[i] = GLFW_RELEASE;
}
}
window->stickyMouseButtons = value ? GLFW_TRUE : GLFW_FALSE;
return;
}
}
_glfwInputError(GLFW_INVALID_ENUM, "Invalid input mode %i", mode);
}
GLFWAPI const char* glfwGetKeyName(int key, int scancode)
{
_GLFW_REQUIRE_INIT_OR_RETURN(NULL);
return _glfwPlatformGetKeyName(key, scancode);
}
GLFWAPI int glfwGetKey(GLFWwindow* handle, int key)
{
_GLFWwindow* window = (_GLFWwindow*) handle;
assert(window != NULL);
_GLFW_REQUIRE_INIT_OR_RETURN(GLFW_RELEASE);
if (key < GLFW_KEY_SPACE || key > GLFW_KEY_LAST)
{
_glfwInputError(GLFW_INVALID_ENUM, "Invalid key %i", key);
return GLFW_RELEASE;
}
if (window->keys[key] == _GLFW_STICK)
{
// Sticky mode: release key now
window->keys[key] = GLFW_RELEASE;
return GLFW_PRESS;
}
return (int) window->keys[key];
}
GLFWAPI int glfwGetMouseButton(GLFWwindow* handle, int button)
{
_GLFWwindow* window = (_GLFWwindow*) handle;
assert(window != NULL);
_GLFW_REQUIRE_INIT_OR_RETURN(GLFW_RELEASE);
if (button < GLFW_MOUSE_BUTTON_1 || button > GLFW_MOUSE_BUTTON_LAST)
{
_glfwInputError(GLFW_INVALID_ENUM, "Invalid mouse button %i", button);
return GLFW_RELEASE;
}
if (window->mouseButtons[button] == _GLFW_STICK)
{
// Sticky mode: release mouse button now
window->mouseButtons[button] = GLFW_RELEASE;
return GLFW_PRESS;
}
return (int) window->mouseButtons[button];
}
GLFWAPI void glfwGetCursorPos(GLFWwindow* handle, double* xpos, double* ypos)
{
_GLFWwindow* window = (_GLFWwindow*) handle;
assert(window != NULL);
if (xpos)
*xpos = 0;
if (ypos)
*ypos = 0;
_GLFW_REQUIRE_INIT();
if (window->cursorMode == GLFW_CURSOR_DISABLED)
{
if (xpos)
*xpos = window->virtualCursorPosX;
if (ypos)
*ypos = window->virtualCursorPosY;
}
else
_glfwPlatformGetCursorPos(window, xpos, ypos);
}
GLFWAPI void glfwSetCursorPos(GLFWwindow* handle, double xpos, double ypos)
{
_GLFWwindow* window = (_GLFWwindow*) handle;
assert(window != NULL);
_GLFW_REQUIRE_INIT();
if (xpos != xpos || xpos < -DBL_MAX || xpos > DBL_MAX ||
ypos != ypos || ypos < -DBL_MAX || ypos > DBL_MAX)
{
_glfwInputError(GLFW_INVALID_VALUE,
"Invalid cursor position %f %f",
xpos, ypos);
return;
}
if (!_glfwPlatformWindowFocused(window))
return;
if (window->cursorMode == GLFW_CURSOR_DISABLED)
{
// Only update the accumulated position if the cursor is disabled
window->virtualCursorPosX = xpos;
window->virtualCursorPosY = ypos;
}
else
{
// Update system cursor position
_glfwPlatformSetCursorPos(window, xpos, ypos);
}
}
GLFWAPI GLFWcursor* glfwCreateCursor(const GLFWimage* image, int xhot, int yhot)
{
_GLFWcursor* cursor;
assert(image != NULL);
_GLFW_REQUIRE_INIT_OR_RETURN(NULL);
cursor = calloc(1, sizeof(_GLFWcursor));
cursor->next = _glfw.cursorListHead;
_glfw.cursorListHead = cursor;
if (!_glfwPlatformCreateCursor(cursor, image, xhot, yhot))
{
glfwDestroyCursor((GLFWcursor*) cursor);
return NULL;
}
return (GLFWcursor*) cursor;
}
GLFWAPI GLFWcursor* glfwCreateStandardCursor(int shape)
{
_GLFWcursor* cursor;
_GLFW_REQUIRE_INIT_OR_RETURN(NULL);
if (shape != GLFW_ARROW_CURSOR &&
shape != GLFW_IBEAM_CURSOR &&
shape != GLFW_CROSSHAIR_CURSOR &&
shape != GLFW_HAND_CURSOR &&
shape != GLFW_HRESIZE_CURSOR &&
shape != GLFW_VRESIZE_CURSOR)
{
_glfwInputError(GLFW_INVALID_ENUM, "Invalid standard cursor %i", shape);
return NULL;
}
cursor = calloc(1, sizeof(_GLFWcursor));
cursor->next = _glfw.cursorListHead;
_glfw.cursorListHead = cursor;
if (!_glfwPlatformCreateStandardCursor(cursor, shape))
{
glfwDestroyCursor((GLFWcursor*) cursor);
return NULL;
}
return (GLFWcursor*) cursor;
}
GLFWAPI void glfwDestroyCursor(GLFWcursor* handle)
{
_GLFWcursor* cursor = (_GLFWcursor*) handle;
_GLFW_REQUIRE_INIT();
if (cursor == NULL)
return;
// Make sure the cursor is not being used by any window
{
_GLFWwindow* window;
for (window = _glfw.windowListHead; window; window = window->next)
{
if (window->cursor == cursor)
glfwSetCursor((GLFWwindow*) window, NULL);
}
}
_glfwPlatformDestroyCursor(cursor);
// Unlink cursor from global linked list
{
_GLFWcursor** prev = &_glfw.cursorListHead;
while (*prev != cursor)
prev = &((*prev)->next);
*prev = cursor->next;
}
free(cursor);
}
GLFWAPI void glfwSetCursor(GLFWwindow* windowHandle, GLFWcursor* cursorHandle)
{
_GLFWwindow* window = (_GLFWwindow*) windowHandle;
_GLFWcursor* cursor = (_GLFWcursor*) cursorHandle;
assert(window != NULL);
_GLFW_REQUIRE_INIT();
window->cursor = cursor;
_glfwPlatformSetCursor(window, cursor);
}
GLFWAPI GLFWkeyfun glfwSetKeyCallback(GLFWwindow* handle, GLFWkeyfun cbfun)
{
_GLFWwindow* window = (_GLFWwindow*) handle;
assert(window != NULL);
_GLFW_REQUIRE_INIT_OR_RETURN(NULL);
_GLFW_SWAP_POINTERS(window->callbacks.key, cbfun);
return cbfun;
}
GLFWAPI GLFWcharfun glfwSetCharCallback(GLFWwindow* handle, GLFWcharfun cbfun)
{
_GLFWwindow* window = (_GLFWwindow*) handle;
assert(window != NULL);
_GLFW_REQUIRE_INIT_OR_RETURN(NULL);
_GLFW_SWAP_POINTERS(window->callbacks.character, cbfun);
return cbfun;
}
GLFWAPI GLFWcharmodsfun glfwSetCharModsCallback(GLFWwindow* handle, GLFWcharmodsfun cbfun)
{
_GLFWwindow* window = (_GLFWwindow*) handle;
assert(window != NULL);
_GLFW_REQUIRE_INIT_OR_RETURN(NULL);
_GLFW_SWAP_POINTERS(window->callbacks.charmods, cbfun);
return cbfun;
}
GLFWAPI GLFWmousebuttonfun glfwSetMouseButtonCallback(GLFWwindow* handle,
GLFWmousebuttonfun cbfun)
{
_GLFWwindow* window = (_GLFWwindow*) handle;
assert(window != NULL);
_GLFW_REQUIRE_INIT_OR_RETURN(NULL);
_GLFW_SWAP_POINTERS(window->callbacks.mouseButton, cbfun);
return cbfun;
}
GLFWAPI GLFWcursorposfun glfwSetCursorPosCallback(GLFWwindow* handle,
GLFWcursorposfun cbfun)
{
_GLFWwindow* window = (_GLFWwindow*) handle;
assert(window != NULL);
_GLFW_REQUIRE_INIT_OR_RETURN(NULL);
_GLFW_SWAP_POINTERS(window->callbacks.cursorPos, cbfun);
return cbfun;
}
GLFWAPI GLFWcursorenterfun glfwSetCursorEnterCallback(GLFWwindow* handle,
GLFWcursorenterfun cbfun)
{
_GLFWwindow* window = (_GLFWwindow*) handle;
assert(window != NULL);
_GLFW_REQUIRE_INIT_OR_RETURN(NULL);
_GLFW_SWAP_POINTERS(window->callbacks.cursorEnter, cbfun);
return cbfun;
}
GLFWAPI GLFWscrollfun glfwSetScrollCallback(GLFWwindow* handle,
GLFWscrollfun cbfun)
{
_GLFWwindow* window = (_GLFWwindow*) handle;
assert(window != NULL);
_GLFW_REQUIRE_INIT_OR_RETURN(NULL);
_GLFW_SWAP_POINTERS(window->callbacks.scroll, cbfun);
return cbfun;
}
GLFWAPI GLFWdropfun glfwSetDropCallback(GLFWwindow* handle, GLFWdropfun cbfun)
{
_GLFWwindow* window = (_GLFWwindow*) handle;
assert(window != NULL);
_GLFW_REQUIRE_INIT_OR_RETURN(NULL);
_GLFW_SWAP_POINTERS(window->callbacks.drop, cbfun);
return cbfun;
}
GLFWAPI int glfwJoystickPresent(int joy)
{
_GLFW_REQUIRE_INIT_OR_RETURN(0);
if (joy < 0 || joy > GLFW_JOYSTICK_LAST)
{
_glfwInputError(GLFW_INVALID_ENUM, "Invalid joystick %i", joy);
return 0;
}
return _glfwPlatformJoystickPresent(joy);
}
GLFWAPI const float* glfwGetJoystickAxes(int joy, int* count)
{
assert(count != NULL);
*count = 0;
_GLFW_REQUIRE_INIT_OR_RETURN(NULL);
if (joy < 0 || joy > GLFW_JOYSTICK_LAST)
{
_glfwInputError(GLFW_INVALID_ENUM, "Invalid joystick %i", joy);
return NULL;
}
return _glfwPlatformGetJoystickAxes(joy, count);
}
GLFWAPI const unsigned char* glfwGetJoystickButtons(int joy, int* count)
{
assert(count != NULL);
*count = 0;
_GLFW_REQUIRE_INIT_OR_RETURN(NULL);
if (joy < 0 || joy > GLFW_JOYSTICK_LAST)
{
_glfwInputError(GLFW_INVALID_ENUM, "Invalid joystick %i", joy);
return NULL;
}
return _glfwPlatformGetJoystickButtons(joy, count);
}
GLFWAPI const char* glfwGetJoystickName(int joy)
{
_GLFW_REQUIRE_INIT_OR_RETURN(NULL);
if (joy < 0 || joy > GLFW_JOYSTICK_LAST)
{
_glfwInputError(GLFW_INVALID_ENUM, "Invalid joystick %i", joy);
return NULL;
}
return _glfwPlatformGetJoystickName(joy);
}
GLFWAPI GLFWjoystickfun glfwSetJoystickCallback(GLFWjoystickfun cbfun)
{
_GLFW_REQUIRE_INIT_OR_RETURN(NULL);
_GLFW_SWAP_POINTERS(_glfw.callbacks.joystick, cbfun);
return cbfun;
}
GLFWAPI void glfwSetClipboardString(GLFWwindow* handle, const char* string)
{
_GLFWwindow* window = (_GLFWwindow*) handle;
assert(window != NULL);
assert(string != NULL);
_GLFW_REQUIRE_INIT();
_glfwPlatformSetClipboardString(window, string);
}
GLFWAPI const char* glfwGetClipboardString(GLFWwindow* handle)
{
_GLFWwindow* window = (_GLFWwindow*) handle;
assert(window != NULL);
_GLFW_REQUIRE_INIT_OR_RETURN(NULL);
return _glfwPlatformGetClipboardString(window);
}
GLFWAPI double glfwGetTime(void)
{
_GLFW_REQUIRE_INIT_OR_RETURN(0.0);
return (double) (_glfwPlatformGetTimerValue() - _glfw.timerOffset) /
_glfwPlatformGetTimerFrequency();
}
GLFWAPI void glfwSetTime(double time)
{
_GLFW_REQUIRE_INIT();
if (time != time || time < 0.0 || time > 18446744073.0)
{
_glfwInputError(GLFW_INVALID_VALUE, "Invalid time %f", time);
return;
}
_glfw.timerOffset = _glfwPlatformGetTimerValue() -
(uint64_t) (time * _glfwPlatformGetTimerFrequency());
}
GLFWAPI uint64_t glfwGetTimerValue(void)
{
_GLFW_REQUIRE_INIT_OR_RETURN(0);
return _glfwPlatformGetTimerValue();
}
GLFWAPI uint64_t glfwGetTimerFrequency(void)
{
_GLFW_REQUIRE_INIT_OR_RETURN(0);
return _glfwPlatformGetTimerFrequency();
}

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//========================================================================
// GLFW 3.2 - www.glfw.org
//------------------------------------------------------------------------
// Copyright (c) 2002-2006 Marcus Geelnard
// Copyright (c) 2006-2016 Camilla Berglund <elmindreda@glfw.org>
//
// This software is provided 'as-is', without any express or implied
// warranty. In no event will the authors be held liable for any damages
// arising from the use of this software.
//
// Permission is granted to anyone to use this software for any purpose,
// including commercial applications, and to alter it and redistribute it
// freely, subject to the following restrictions:
//
// 1. The origin of this software must not be misrepresented; you must not
// claim that you wrote the original software. If you use this software
// in a product, an acknowledgment in the product documentation would
// be appreciated but is not required.
//
// 2. Altered source versions must be plainly marked as such, and must not
// be misrepresented as being the original software.
//
// 3. This notice may not be removed or altered from any source
// distribution.
//
//========================================================================
#include "internal.h"
#include <assert.h>
#include <math.h>
#include <float.h>
#include <string.h>
#include <stdlib.h>
#include <limits.h>
// Lexically compare video modes, used by qsort
//
static int compareVideoModes(const void* fp, const void* sp)
{
const GLFWvidmode* fm = fp;
const GLFWvidmode* sm = sp;
const int fbpp = fm->redBits + fm->greenBits + fm->blueBits;
const int sbpp = sm->redBits + sm->greenBits + sm->blueBits;
const int farea = fm->width * fm->height;
const int sarea = sm->width * sm->height;
// First sort on color bits per pixel
if (fbpp != sbpp)
return fbpp - sbpp;
// Then sort on screen area
if (farea != sarea)
return farea - sarea;
// Lastly sort on refresh rate
return fm->refreshRate - sm->refreshRate;
}
// Retrieves the available modes for the specified monitor
//
static GLFWbool refreshVideoModes(_GLFWmonitor* monitor)
{
int modeCount;
GLFWvidmode* modes;
if (monitor->modes)
return GLFW_TRUE;
modes = _glfwPlatformGetVideoModes(monitor, &modeCount);
if (!modes)
return GLFW_FALSE;
qsort(modes, modeCount, sizeof(GLFWvidmode), compareVideoModes);
free(monitor->modes);
monitor->modes = modes;
monitor->modeCount = modeCount;
return GLFW_TRUE;
}
//////////////////////////////////////////////////////////////////////////
////// GLFW event API //////
//////////////////////////////////////////////////////////////////////////
void _glfwInputMonitorChange(void)
{
int i, j, monitorCount = _glfw.monitorCount;
_GLFWmonitor** monitors = _glfw.monitors;
_glfw.monitors = _glfwPlatformGetMonitors(&_glfw.monitorCount);
// Re-use still connected monitor objects
for (i = 0; i < _glfw.monitorCount; i++)
{
for (j = 0; j < monitorCount; j++)
{
if (_glfwPlatformIsSameMonitor(_glfw.monitors[i], monitors[j]))
{
_glfwFreeMonitor(_glfw.monitors[i]);
_glfw.monitors[i] = monitors[j];
break;
}
}
}
// Find and report disconnected monitors (not in the new list)
for (i = 0; i < monitorCount; i++)
{
_GLFWwindow* window;
for (j = 0; j < _glfw.monitorCount; j++)
{
if (monitors[i] == _glfw.monitors[j])
break;
}
if (j < _glfw.monitorCount)
continue;
for (window = _glfw.windowListHead; window; window = window->next)
{
if (window->monitor == monitors[i])
{
int width, height;
_glfwPlatformGetWindowSize(window, &width, &height);
_glfwPlatformSetWindowMonitor(window, NULL, 0, 0, width, height, 0);
}
}
if (_glfw.callbacks.monitor)
_glfw.callbacks.monitor((GLFWmonitor*) monitors[i], GLFW_DISCONNECTED);
}
// Find and report newly connected monitors (not in the old list)
// Re-used monitor objects are then removed from the old list to avoid
// having them destroyed at the end of this function
for (i = 0; i < _glfw.monitorCount; i++)
{
for (j = 0; j < monitorCount; j++)
{
if (_glfw.monitors[i] == monitors[j])
{
monitors[j] = NULL;
break;
}
}
if (j < monitorCount)
continue;
if (_glfw.callbacks.monitor)
_glfw.callbacks.monitor((GLFWmonitor*) _glfw.monitors[i], GLFW_CONNECTED);
}
_glfwFreeMonitors(monitors, monitorCount);
}
void _glfwInputMonitorWindowChange(_GLFWmonitor* monitor, _GLFWwindow* window)
{
monitor->window = window;
}
//////////////////////////////////////////////////////////////////////////
////// GLFW internal API //////
//////////////////////////////////////////////////////////////////////////
_GLFWmonitor* _glfwAllocMonitor(const char* name, int widthMM, int heightMM)
{
_GLFWmonitor* monitor = calloc(1, sizeof(_GLFWmonitor));
monitor->name = strdup(name);
monitor->widthMM = widthMM;
monitor->heightMM = heightMM;
return monitor;
}
void _glfwFreeMonitor(_GLFWmonitor* monitor)
{
if (monitor == NULL)
return;
_glfwFreeGammaArrays(&monitor->originalRamp);
_glfwFreeGammaArrays(&monitor->currentRamp);
free(monitor->modes);
free(monitor->name);
free(monitor);
}
void _glfwAllocGammaArrays(GLFWgammaramp* ramp, unsigned int size)
{
ramp->red = calloc(size, sizeof(unsigned short));
ramp->green = calloc(size, sizeof(unsigned short));
ramp->blue = calloc(size, sizeof(unsigned short));
ramp->size = size;
}
void _glfwFreeGammaArrays(GLFWgammaramp* ramp)
{
free(ramp->red);
free(ramp->green);
free(ramp->blue);
memset(ramp, 0, sizeof(GLFWgammaramp));
}
void _glfwFreeMonitors(_GLFWmonitor** monitors, int count)
{
int i;
for (i = 0; i < count; i++)
_glfwFreeMonitor(monitors[i]);
free(monitors);
}
const GLFWvidmode* _glfwChooseVideoMode(_GLFWmonitor* monitor,
const GLFWvidmode* desired)
{
int i;
unsigned int sizeDiff, leastSizeDiff = UINT_MAX;
unsigned int rateDiff, leastRateDiff = UINT_MAX;
unsigned int colorDiff, leastColorDiff = UINT_MAX;
const GLFWvidmode* current;
const GLFWvidmode* closest = NULL;
if (!refreshVideoModes(monitor))
return NULL;
for (i = 0; i < monitor->modeCount; i++)
{
current = monitor->modes + i;
colorDiff = 0;
if (desired->redBits != GLFW_DONT_CARE)
colorDiff += abs(current->redBits - desired->redBits);
if (desired->greenBits != GLFW_DONT_CARE)
colorDiff += abs(current->greenBits - desired->greenBits);
if (desired->blueBits != GLFW_DONT_CARE)
colorDiff += abs(current->blueBits - desired->blueBits);
sizeDiff = abs((current->width - desired->width) *
(current->width - desired->width) +
(current->height - desired->height) *
(current->height - desired->height));
if (desired->refreshRate != GLFW_DONT_CARE)
rateDiff = abs(current->refreshRate - desired->refreshRate);
else
rateDiff = UINT_MAX - current->refreshRate;
if ((colorDiff < leastColorDiff) ||
(colorDiff == leastColorDiff && sizeDiff < leastSizeDiff) ||
(colorDiff == leastColorDiff && sizeDiff == leastSizeDiff && rateDiff < leastRateDiff))
{
closest = current;
leastSizeDiff = sizeDiff;
leastRateDiff = rateDiff;
leastColorDiff = colorDiff;
}
}
return closest;
}
int _glfwCompareVideoModes(const GLFWvidmode* fm, const GLFWvidmode* sm)
{
return compareVideoModes(fm, sm);
}
void _glfwSplitBPP(int bpp, int* red, int* green, int* blue)
{
int delta;
// We assume that by 32 the user really meant 24
if (bpp == 32)
bpp = 24;
// Convert "bits per pixel" to red, green & blue sizes
*red = *green = *blue = bpp / 3;
delta = bpp - (*red * 3);
if (delta >= 1)
*green = *green + 1;
if (delta == 2)
*red = *red + 1;
}
//////////////////////////////////////////////////////////////////////////
////// GLFW public API //////
//////////////////////////////////////////////////////////////////////////
GLFWAPI GLFWmonitor** glfwGetMonitors(int* count)
{
assert(count != NULL);
*count = 0;
_GLFW_REQUIRE_INIT_OR_RETURN(NULL);
*count = _glfw.monitorCount;
return (GLFWmonitor**) _glfw.monitors;
}
GLFWAPI GLFWmonitor* glfwGetPrimaryMonitor(void)
{
_GLFW_REQUIRE_INIT_OR_RETURN(NULL);
if (!_glfw.monitorCount)
return NULL;
return (GLFWmonitor*) _glfw.monitors[0];
}
GLFWAPI void glfwGetMonitorPos(GLFWmonitor* handle, int* xpos, int* ypos)
{
_GLFWmonitor* monitor = (_GLFWmonitor*) handle;
assert(monitor != NULL);
if (xpos)
*xpos = 0;
if (ypos)
*ypos = 0;
_GLFW_REQUIRE_INIT();
_glfwPlatformGetMonitorPos(monitor, xpos, ypos);
}
GLFWAPI void glfwGetMonitorPhysicalSize(GLFWmonitor* handle, int* widthMM, int* heightMM)
{
_GLFWmonitor* monitor = (_GLFWmonitor*) handle;
assert(monitor != NULL);
if (widthMM)
*widthMM = 0;
if (heightMM)
*heightMM = 0;
_GLFW_REQUIRE_INIT();
if (widthMM)
*widthMM = monitor->widthMM;
if (heightMM)
*heightMM = monitor->heightMM;
}
GLFWAPI const char* glfwGetMonitorName(GLFWmonitor* handle)
{
_GLFWmonitor* monitor = (_GLFWmonitor*) handle;
assert(monitor != NULL);
_GLFW_REQUIRE_INIT_OR_RETURN(NULL);
return monitor->name;
}
GLFWAPI GLFWmonitorfun glfwSetMonitorCallback(GLFWmonitorfun cbfun)
{
_GLFW_REQUIRE_INIT_OR_RETURN(NULL);
_GLFW_SWAP_POINTERS(_glfw.callbacks.monitor, cbfun);
return cbfun;
}
GLFWAPI const GLFWvidmode* glfwGetVideoModes(GLFWmonitor* handle, int* count)
{
_GLFWmonitor* monitor = (_GLFWmonitor*) handle;
assert(monitor != NULL);
assert(count != NULL);
*count = 0;
_GLFW_REQUIRE_INIT_OR_RETURN(NULL);
if (!refreshVideoModes(monitor))
return NULL;
*count = monitor->modeCount;
return monitor->modes;
}
GLFWAPI const GLFWvidmode* glfwGetVideoMode(GLFWmonitor* handle)
{
_GLFWmonitor* monitor = (_GLFWmonitor*) handle;
assert(monitor != NULL);
_GLFW_REQUIRE_INIT_OR_RETURN(NULL);
_glfwPlatformGetVideoMode(monitor, &monitor->currentMode);
return &monitor->currentMode;
}
GLFWAPI void glfwSetGamma(GLFWmonitor* handle, float gamma)
{
int i;
unsigned short values[256];
GLFWgammaramp ramp;
_GLFW_REQUIRE_INIT();
if (gamma != gamma || gamma <= 0.f || gamma > FLT_MAX)
{
_glfwInputError(GLFW_INVALID_VALUE, "Invalid gamma value %f", gamma);
return;
}
for (i = 0; i < 256; i++)
{
double value;
// Calculate intensity
value = i / 255.0;
// Apply gamma curve
value = pow(value, 1.0 / gamma) * 65535.0 + 0.5;
// Clamp to value range
if (value > 65535.0)
value = 65535.0;
values[i] = (unsigned short) value;
}
ramp.red = values;
ramp.green = values;
ramp.blue = values;
ramp.size = 256;
glfwSetGammaRamp(handle, &ramp);
}
GLFWAPI const GLFWgammaramp* glfwGetGammaRamp(GLFWmonitor* handle)
{
_GLFWmonitor* monitor = (_GLFWmonitor*) handle;
assert(monitor != NULL);
_GLFW_REQUIRE_INIT_OR_RETURN(NULL);
_glfwFreeGammaArrays(&monitor->currentRamp);
_glfwPlatformGetGammaRamp(monitor, &monitor->currentRamp);
return &monitor->currentRamp;
}
GLFWAPI void glfwSetGammaRamp(GLFWmonitor* handle, const GLFWgammaramp* ramp)
{
_GLFWmonitor* monitor = (_GLFWmonitor*) handle;
assert(monitor != NULL);
assert(ramp != NULL);
assert(ramp->red != NULL);
assert(ramp->green != NULL);
assert(ramp->blue != NULL);
if (ramp->size <= 0)
{
_glfwInputError(GLFW_INVALID_VALUE,
"Invalid gamma ramp size %i",
ramp->size);
return;
}
_GLFW_REQUIRE_INIT();
if (!monitor->originalRamp.size)
_glfwPlatformGetGammaRamp(monitor, &monitor->originalRamp);
_glfwPlatformSetGammaRamp(monitor, ramp);
}

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//========================================================================
// GLFW 3.2 - www.glfw.org
//------------------------------------------------------------------------
// Copyright (c) 2002-2006 Marcus Geelnard
// Copyright (c) 2006-2016 Camilla Berglund <elmindreda@glfw.org>
//
// This software is provided 'as-is', without any express or implied
// warranty. In no event will the authors be held liable for any damages
// arising from the use of this software.
//
// Permission is granted to anyone to use this software for any purpose,
// including commercial applications, and to alter it and redistribute it
// freely, subject to the following restrictions:
//
// 1. The origin of this software must not be misrepresented; you must not
// claim that you wrote the original software. If you use this software
// in a product, an acknowledgment in the product documentation would
// be appreciated but is not required.
//
// 2. Altered source versions must be plainly marked as such, and must not
// be misrepresented as being the original software.
//
// 3. This notice may not be removed or altered from any source
// distribution.
//
//========================================================================
#include "internal.h"
#include <assert.h>
#include <string.h>
#include <stdlib.h>
//////////////////////////////////////////////////////////////////////////
////// GLFW internal API //////
//////////////////////////////////////////////////////////////////////////
GLFWbool _glfwInitVulkan(void)
{
VkResult err;
VkExtensionProperties* ep;
uint32_t i, count;
#if !defined(_GLFW_VULKAN_STATIC)
#if defined(_GLFW_WIN32)
const char* name = "vulkan-1.dll";
#else
const char* name = "libvulkan.so.1";
#endif
if (_glfw.vk.available)
return GLFW_TRUE;
_glfw.vk.handle = _glfw_dlopen(name);
if (!_glfw.vk.handle)
return GLFW_FALSE;
_glfw.vk.GetInstanceProcAddr = (PFN_vkGetInstanceProcAddr)
_glfw_dlsym(_glfw.vk.handle, "vkGetInstanceProcAddr");
if (!_glfw.vk.GetInstanceProcAddr)
{
_glfwInputError(GLFW_API_UNAVAILABLE,
"Vulkan: Loader does not export vkGetInstanceProcAddr");
_glfwTerminateVulkan();
return GLFW_FALSE;
}
_glfw.vk.EnumerateInstanceExtensionProperties = (PFN_vkEnumerateInstanceExtensionProperties)
vkGetInstanceProcAddr(NULL, "vkEnumerateInstanceExtensionProperties");
if (!_glfw.vk.EnumerateInstanceExtensionProperties)
{
_glfwInputError(GLFW_API_UNAVAILABLE,
"Vulkan: Failed to retrieve vkEnumerateInstanceExtensionProperties");
_glfwTerminateVulkan();
return GLFW_FALSE;
}
#endif // _GLFW_VULKAN_STATIC
err = vkEnumerateInstanceExtensionProperties(NULL, &count, NULL);
if (err)
{
_glfwInputError(GLFW_PLATFORM_ERROR,
"Vulkan: Failed to query instance extension count: %s",
_glfwGetVulkanResultString(err));
_glfwTerminateVulkan();
return GLFW_FALSE;
}
ep = calloc(count, sizeof(VkExtensionProperties));
err = vkEnumerateInstanceExtensionProperties(NULL, &count, ep);
if (err)
{
_glfwInputError(GLFW_PLATFORM_ERROR,
"Vulkan: Failed to query instance extensions: %s",
_glfwGetVulkanResultString(err));
free(ep);
_glfwTerminateVulkan();
return GLFW_FALSE;
}
for (i = 0; i < count; i++)
{
if (strcmp(ep[i].extensionName, "VK_KHR_surface") == 0)
_glfw.vk.KHR_surface = GLFW_TRUE;
if (strcmp(ep[i].extensionName, "VK_KHR_win32_surface") == 0)
_glfw.vk.KHR_win32_surface = GLFW_TRUE;
if (strcmp(ep[i].extensionName, "VK_KHR_xlib_surface") == 0)
_glfw.vk.KHR_xlib_surface = GLFW_TRUE;
if (strcmp(ep[i].extensionName, "VK_KHR_xcb_surface") == 0)
_glfw.vk.KHR_xcb_surface = GLFW_TRUE;
if (strcmp(ep[i].extensionName, "VK_KHR_wayland_surface") == 0)
_glfw.vk.KHR_wayland_surface = GLFW_TRUE;
if (strcmp(ep[i].extensionName, "VK_KHR_mir_surface") == 0)
_glfw.vk.KHR_mir_surface = GLFW_TRUE;
}
free(ep);
_glfw.vk.available = GLFW_TRUE;
if (_glfw.vk.KHR_surface)
{
_glfw.vk.extensions =
_glfwPlatformGetRequiredInstanceExtensions(&_glfw.vk.extensionCount);
}
return GLFW_TRUE;
}
void _glfwTerminateVulkan(void)
{
uint32_t i;
for (i = 0; i < _glfw.vk.extensionCount; i++)
free(_glfw.vk.extensions[i]);
free(_glfw.vk.extensions);
if (_glfw.vk.handle)
_glfw_dlclose(_glfw.vk.handle);
}
const char* _glfwGetVulkanResultString(VkResult result)
{
switch (result)
{
case VK_SUCCESS:
return "Success";
case VK_NOT_READY:
return "A fence or query has not yet completed";
case VK_TIMEOUT:
return "A wait operation has not completed in the specified time";
case VK_EVENT_SET:
return "An event is signaled";
case VK_EVENT_RESET:
return "An event is unsignaled";
case VK_INCOMPLETE:
return "A return array was too small for the result";
case VK_ERROR_OUT_OF_HOST_MEMORY:
return "A host memory allocation has failed";
case VK_ERROR_OUT_OF_DEVICE_MEMORY:
return "A device memory allocation has failed";
case VK_ERROR_INITIALIZATION_FAILED:
return "Initialization of an object could not be completed for implementation-specific reasons";
case VK_ERROR_DEVICE_LOST:
return "The logical or physical device has been lost";
case VK_ERROR_MEMORY_MAP_FAILED:
return "Mapping of a memory object has failed";
case VK_ERROR_LAYER_NOT_PRESENT:
return "A requested layer is not present or could not be loaded";
case VK_ERROR_EXTENSION_NOT_PRESENT:
return "A requested extension is not supported";
case VK_ERROR_FEATURE_NOT_PRESENT:
return "A requested feature is not supported";
case VK_ERROR_INCOMPATIBLE_DRIVER:
return "The requested version of Vulkan is not supported by the driver or is otherwise incompatible";
case VK_ERROR_TOO_MANY_OBJECTS:
return "Too many objects of the type have already been created";
case VK_ERROR_FORMAT_NOT_SUPPORTED:
return "A requested format is not supported on this device";
case VK_ERROR_SURFACE_LOST_KHR:
return "A surface is no longer available";
case VK_SUBOPTIMAL_KHR:
return "A swapchain no longer matches the surface properties exactly, but can still be used";
case VK_ERROR_OUT_OF_DATE_KHR:
return "A surface has changed in such a way that it is no longer compatible with the swapchain";
case VK_ERROR_INCOMPATIBLE_DISPLAY_KHR:
return "The display used by a swapchain does not use the same presentable image layout";
case VK_ERROR_NATIVE_WINDOW_IN_USE_KHR:
return "The requested window is already connected to a VkSurfaceKHR, or to some other non-Vulkan API";
case VK_ERROR_VALIDATION_FAILED_EXT:
return "A validation layer found an error";
default:
return "ERROR: UNKNOWN VULKAN ERROR";
}
}
//////////////////////////////////////////////////////////////////////////
////// GLFW public API //////
//////////////////////////////////////////////////////////////////////////
GLFWAPI int glfwVulkanSupported(void)
{
_GLFW_REQUIRE_INIT_OR_RETURN(GLFW_FALSE);
return _glfwInitVulkan();
}
GLFWAPI const char** glfwGetRequiredInstanceExtensions(uint32_t* count)
{
*count = 0;
_GLFW_REQUIRE_INIT_OR_RETURN(NULL);
if (!_glfwInitVulkan())
{
_glfwInputError(GLFW_API_UNAVAILABLE, "Vulkan: API not available");
return NULL;
}
*count = _glfw.vk.extensionCount;
return (const char**) _glfw.vk.extensions;
}
GLFWAPI GLFWvkproc glfwGetInstanceProcAddress(VkInstance instance,
const char* procname)
{
GLFWvkproc proc;
_GLFW_REQUIRE_INIT_OR_RETURN(NULL);
if (!_glfwInitVulkan())
{
_glfwInputError(GLFW_API_UNAVAILABLE, "Vulkan: API not available");
return NULL;
}
proc = (GLFWvkproc) vkGetInstanceProcAddr(instance, procname);
if (!proc)
proc = (GLFWvkproc) _glfw_dlsym(_glfw.vk.handle, procname);
return proc;
}
GLFWAPI int glfwGetPhysicalDevicePresentationSupport(VkInstance instance,
VkPhysicalDevice device,
uint32_t queuefamily)
{
_GLFW_REQUIRE_INIT_OR_RETURN(GLFW_FALSE);
if (!_glfwInitVulkan())
{
_glfwInputError(GLFW_API_UNAVAILABLE, "Vulkan: API not available");
return GLFW_FALSE;
}
if (!_glfw.vk.extensions)
{
_glfwInputError(GLFW_API_UNAVAILABLE,
"Vulkan: Window surface creation extensions not found");
return GLFW_FALSE;
}
return _glfwPlatformGetPhysicalDevicePresentationSupport(instance,
device,
queuefamily);
}
GLFWAPI VkResult glfwCreateWindowSurface(VkInstance instance,
GLFWwindow* handle,
const VkAllocationCallbacks* allocator,
VkSurfaceKHR* surface)
{
_GLFWwindow* window = (_GLFWwindow*) handle;
assert(window != NULL);
assert(surface != NULL);
*surface = VK_NULL_HANDLE;
_GLFW_REQUIRE_INIT_OR_RETURN(VK_ERROR_INITIALIZATION_FAILED);
if (!_glfwInitVulkan())
{
_glfwInputError(GLFW_API_UNAVAILABLE, "Vulkan: API not available");
return VK_ERROR_INITIALIZATION_FAILED;
}
if (!_glfw.vk.extensions)
{
_glfwInputError(GLFW_API_UNAVAILABLE,
"Vulkan: Window surface creation extensions not found");
return VK_ERROR_EXTENSION_NOT_PRESENT;
}
return _glfwPlatformCreateWindowSurface(instance, window, allocator, surface);
}

View File

@ -0,0 +1,718 @@
//========================================================================
// GLFW 3.2 WGL - www.glfw.org
//------------------------------------------------------------------------
// Copyright (c) 2002-2006 Marcus Geelnard
// Copyright (c) 2006-2016 Camilla Berglund <elmindreda@glfw.org>
//
// This software is provided 'as-is', without any express or implied
// warranty. In no event will the authors be held liable for any damages
// arising from the use of this software.
//
// Permission is granted to anyone to use this software for any purpose,
// including commercial applications, and to alter it and redistribute it
// freely, subject to the following restrictions:
//
// 1. The origin of this software must not be misrepresented; you must not
// claim that you wrote the original software. If you use this software
// in a product, an acknowledgment in the product documentation would
// be appreciated but is not required.
//
// 2. Altered source versions must be plainly marked as such, and must not
// be misrepresented as being the original software.
//
// 3. This notice may not be removed or altered from any source
// distribution.
//
//========================================================================
#include "internal.h"
#include <stdlib.h>
#include <malloc.h>
#include <assert.h>
// Returns the specified attribute of the specified pixel format
//
static int getPixelFormatAttrib(_GLFWwindow* window, int pixelFormat, int attrib)
{
int value = 0;
assert(_glfw.wgl.ARB_pixel_format);
if (!_glfw.wgl.GetPixelFormatAttribivARB(window->context.wgl.dc,
pixelFormat,
0, 1, &attrib, &value))
{
_glfwInputError(GLFW_PLATFORM_ERROR,
"WGL: Failed to retrieve pixel format attribute %i",
attrib);
return 0;
}
return value;
}
// Return a list of available and usable framebuffer configs
//
static int choosePixelFormat(_GLFWwindow* window, const _GLFWfbconfig* desired)
{
_GLFWfbconfig* usableConfigs;
const _GLFWfbconfig* closest;
int i, pixelFormat, nativeCount, usableCount;
if (_glfw.wgl.ARB_pixel_format)
{
nativeCount = getPixelFormatAttrib(window,
1,
WGL_NUMBER_PIXEL_FORMATS_ARB);
}
else
{
nativeCount = DescribePixelFormat(window->context.wgl.dc,
1,
sizeof(PIXELFORMATDESCRIPTOR),
NULL);
}
usableConfigs = calloc(nativeCount, sizeof(_GLFWfbconfig));
usableCount = 0;
for (i = 0; i < nativeCount; i++)
{
const int n = i + 1;
_GLFWfbconfig* u = usableConfigs + usableCount;
if (_glfw.wgl.ARB_pixel_format)
{
// Get pixel format attributes through "modern" extension
if (!getPixelFormatAttrib(window, n, WGL_SUPPORT_OPENGL_ARB) ||
!getPixelFormatAttrib(window, n, WGL_DRAW_TO_WINDOW_ARB))
{
continue;
}
if (getPixelFormatAttrib(window, n, WGL_PIXEL_TYPE_ARB) !=
WGL_TYPE_RGBA_ARB)
{
continue;
}
if (getPixelFormatAttrib(window, n, WGL_ACCELERATION_ARB) ==
WGL_NO_ACCELERATION_ARB)
{
continue;
}
u->redBits = getPixelFormatAttrib(window, n, WGL_RED_BITS_ARB);
u->greenBits = getPixelFormatAttrib(window, n, WGL_GREEN_BITS_ARB);
u->blueBits = getPixelFormatAttrib(window, n, WGL_BLUE_BITS_ARB);
u->alphaBits = getPixelFormatAttrib(window, n, WGL_ALPHA_BITS_ARB);
u->depthBits = getPixelFormatAttrib(window, n, WGL_DEPTH_BITS_ARB);
u->stencilBits = getPixelFormatAttrib(window, n, WGL_STENCIL_BITS_ARB);
u->accumRedBits = getPixelFormatAttrib(window, n, WGL_ACCUM_RED_BITS_ARB);
u->accumGreenBits = getPixelFormatAttrib(window, n, WGL_ACCUM_GREEN_BITS_ARB);
u->accumBlueBits = getPixelFormatAttrib(window, n, WGL_ACCUM_BLUE_BITS_ARB);
u->accumAlphaBits = getPixelFormatAttrib(window, n, WGL_ACCUM_ALPHA_BITS_ARB);
u->auxBuffers = getPixelFormatAttrib(window, n, WGL_AUX_BUFFERS_ARB);
if (getPixelFormatAttrib(window, n, WGL_STEREO_ARB))
u->stereo = GLFW_TRUE;
if (getPixelFormatAttrib(window, n, WGL_DOUBLE_BUFFER_ARB))
u->doublebuffer = GLFW_TRUE;
if (_glfw.wgl.ARB_multisample)
u->samples = getPixelFormatAttrib(window, n, WGL_SAMPLES_ARB);
if (_glfw.wgl.ARB_framebuffer_sRGB ||
_glfw.wgl.EXT_framebuffer_sRGB)
{
if (getPixelFormatAttrib(window, n, WGL_FRAMEBUFFER_SRGB_CAPABLE_ARB))
u->sRGB = GLFW_TRUE;
}
}
else
{
PIXELFORMATDESCRIPTOR pfd;
// Get pixel format attributes through legacy PFDs
if (!DescribePixelFormat(window->context.wgl.dc,
n,
sizeof(PIXELFORMATDESCRIPTOR),
&pfd))
{
continue;
}
if (!(pfd.dwFlags & PFD_DRAW_TO_WINDOW) ||
!(pfd.dwFlags & PFD_SUPPORT_OPENGL))
{
continue;
}
if (!(pfd.dwFlags & PFD_GENERIC_ACCELERATED) &&
(pfd.dwFlags & PFD_GENERIC_FORMAT))
{
continue;
}
if (pfd.iPixelType != PFD_TYPE_RGBA)
continue;
u->redBits = pfd.cRedBits;
u->greenBits = pfd.cGreenBits;
u->blueBits = pfd.cBlueBits;
u->alphaBits = pfd.cAlphaBits;
u->depthBits = pfd.cDepthBits;
u->stencilBits = pfd.cStencilBits;
u->accumRedBits = pfd.cAccumRedBits;
u->accumGreenBits = pfd.cAccumGreenBits;
u->accumBlueBits = pfd.cAccumBlueBits;
u->accumAlphaBits = pfd.cAccumAlphaBits;
u->auxBuffers = pfd.cAuxBuffers;
if (pfd.dwFlags & PFD_STEREO)
u->stereo = GLFW_TRUE;
if (pfd.dwFlags & PFD_DOUBLEBUFFER)
u->doublebuffer = GLFW_TRUE;
}
u->handle = n;
usableCount++;
}
if (!usableCount)
{
_glfwInputError(GLFW_API_UNAVAILABLE,
"WGL: The driver does not appear to support OpenGL");
free(usableConfigs);
return 0;
}
closest = _glfwChooseFBConfig(desired, usableConfigs, usableCount);
if (!closest)
{
_glfwInputError(GLFW_FORMAT_UNAVAILABLE,
"WGL: Failed to find a suitable pixel format");
free(usableConfigs);
return 0;
}
pixelFormat = (int) closest->handle;
free(usableConfigs);
return pixelFormat;
}
// Returns whether desktop compositing is enabled
//
static GLFWbool isCompositionEnabled(void)
{
BOOL enabled;
if (!_glfw_DwmIsCompositionEnabled)
return FALSE;
if (_glfw_DwmIsCompositionEnabled(&enabled) != S_OK)
return FALSE;
return enabled;
}
static void makeContextCurrentWGL(_GLFWwindow* window)
{
if (window)
{
if (wglMakeCurrent(window->context.wgl.dc, window->context.wgl.handle))
_glfwPlatformSetCurrentContext(window);
else
{
_glfwInputError(GLFW_PLATFORM_ERROR,
"WGL: Failed to make context current");
_glfwPlatformSetCurrentContext(NULL);
}
}
else
{
if (!wglMakeCurrent(NULL, NULL))
{
_glfwInputError(GLFW_PLATFORM_ERROR,
"WGL: Failed to clear current context");
}
_glfwPlatformSetCurrentContext(NULL);
}
}
static void swapBuffersWGL(_GLFWwindow* window)
{
// HACK: Use DwmFlush when desktop composition is enabled
if (isCompositionEnabled() && !window->monitor)
{
int count = abs(window->context.wgl.interval);
while (count--)
_glfw_DwmFlush();
}
SwapBuffers(window->context.wgl.dc);
}
static void swapIntervalWGL(int interval)
{
_GLFWwindow* window = _glfwPlatformGetCurrentContext();
window->context.wgl.interval = interval;
// HACK: Disable WGL swap interval when desktop composition is enabled to
// avoid interfering with DWM vsync
if (isCompositionEnabled() && !window->monitor)
interval = 0;
if (_glfw.wgl.EXT_swap_control)
_glfw.wgl.SwapIntervalEXT(interval);
}
static int extensionSupportedWGL(const char* extension)
{
const char* extensions;
if (_glfw.wgl.GetExtensionsStringEXT)
{
extensions = _glfw.wgl.GetExtensionsStringEXT();
if (extensions)
{
if (_glfwStringInExtensionString(extension, extensions))
return GLFW_TRUE;
}
}
if (_glfw.wgl.GetExtensionsStringARB)
{
extensions = _glfw.wgl.GetExtensionsStringARB(wglGetCurrentDC());
if (extensions)
{
if (_glfwStringInExtensionString(extension, extensions))
return GLFW_TRUE;
}
}
return GLFW_FALSE;
}
static GLFWglproc getProcAddressWGL(const char* procname)
{
const GLFWglproc proc = (GLFWglproc) wglGetProcAddress(procname);
if (proc)
return proc;
return (GLFWglproc) GetProcAddress(_glfw.wgl.instance, procname);
}
// Destroy the OpenGL context
//
static void destroyContextWGL(_GLFWwindow* window)
{
if (window->context.wgl.handle)
{
wglDeleteContext(window->context.wgl.handle);
window->context.wgl.handle = NULL;
}
}
// Initialize WGL-specific extensions
//
static void loadWGLExtensions(void)
{
PIXELFORMATDESCRIPTOR pfd;
HGLRC rc;
HDC dc = GetDC(_glfw.win32.helperWindowHandle);;
_glfw.wgl.extensionsLoaded = GLFW_TRUE;
// NOTE: A dummy context has to be created for opengl32.dll to load the
// OpenGL ICD, from which we can then query WGL extensions
// NOTE: This code will accept the Microsoft GDI ICD; accelerated context
// creation failure occurs during manual pixel format enumeration
ZeroMemory(&pfd, sizeof(pfd));
pfd.nSize = sizeof(pfd);
pfd.nVersion = 1;
pfd.dwFlags = PFD_DRAW_TO_WINDOW | PFD_SUPPORT_OPENGL | PFD_DOUBLEBUFFER;
pfd.iPixelType = PFD_TYPE_RGBA;
pfd.cColorBits = 24;
if (!SetPixelFormat(dc, ChoosePixelFormat(dc, &pfd), &pfd))
{
_glfwInputError(GLFW_PLATFORM_ERROR,
"WGL: Failed to set pixel format for dummy context");
return;
}
rc = wglCreateContext(dc);
if (!rc)
{
_glfwInputError(GLFW_PLATFORM_ERROR,
"WGL: Failed to create dummy context");
return;
}
if (!wglMakeCurrent(dc, rc))
{
wglDeleteContext(rc);
_glfwInputError(GLFW_PLATFORM_ERROR,
"WGL: Failed to make dummy context current");
return;
}
// NOTE: Functions must be loaded first as they're needed to retrieve the
// extension string that tells us whether the functions are supported
_glfw.wgl.GetExtensionsStringEXT = (PFNWGLGETEXTENSIONSSTRINGEXTPROC)
wglGetProcAddress("wglGetExtensionsStringEXT");
_glfw.wgl.GetExtensionsStringARB = (PFNWGLGETEXTENSIONSSTRINGARBPROC)
wglGetProcAddress("wglGetExtensionsStringARB");
_glfw.wgl.CreateContextAttribsARB = (PFNWGLCREATECONTEXTATTRIBSARBPROC)
wglGetProcAddress("wglCreateContextAttribsARB");
_glfw.wgl.SwapIntervalEXT = (PFNWGLSWAPINTERVALEXTPROC)
wglGetProcAddress("wglSwapIntervalEXT");
_glfw.wgl.GetPixelFormatAttribivARB = (PFNWGLGETPIXELFORMATATTRIBIVARBPROC)
wglGetProcAddress("wglGetPixelFormatAttribivARB");
// NOTE: WGL_ARB_extensions_string and WGL_EXT_extensions_string are not
// checked below as we are already using them
_glfw.wgl.ARB_multisample =
extensionSupportedWGL("WGL_ARB_multisample");
_glfw.wgl.ARB_framebuffer_sRGB =
extensionSupportedWGL("WGL_ARB_framebuffer_sRGB");
_glfw.wgl.EXT_framebuffer_sRGB =
extensionSupportedWGL("WGL_EXT_framebuffer_sRGB");
_glfw.wgl.ARB_create_context =
extensionSupportedWGL("WGL_ARB_create_context");
_glfw.wgl.ARB_create_context_profile =
extensionSupportedWGL("WGL_ARB_create_context_profile");
_glfw.wgl.EXT_create_context_es2_profile =
extensionSupportedWGL("WGL_EXT_create_context_es2_profile");
_glfw.wgl.ARB_create_context_robustness =
extensionSupportedWGL("WGL_ARB_create_context_robustness");
_glfw.wgl.EXT_swap_control =
extensionSupportedWGL("WGL_EXT_swap_control");
_glfw.wgl.ARB_pixel_format =
extensionSupportedWGL("WGL_ARB_pixel_format");
_glfw.wgl.ARB_context_flush_control =
extensionSupportedWGL("WGL_ARB_context_flush_control");
wglMakeCurrent(dc, NULL);
wglDeleteContext(rc);
}
//////////////////////////////////////////////////////////////////////////
////// GLFW internal API //////
//////////////////////////////////////////////////////////////////////////
// Initialize WGL
//
GLFWbool _glfwInitWGL(void)
{
if (_glfw.wgl.instance)
return GLFW_TRUE;
_glfw.wgl.instance = LoadLibraryA("opengl32.dll");
if (!_glfw.wgl.instance)
{
_glfwInputError(GLFW_PLATFORM_ERROR, "WGL: Failed to load opengl32.dll");
return GLFW_FALSE;
}
_glfw.wgl.CreateContext = (WGLCREATECONTEXT_T)
GetProcAddress(_glfw.wgl.instance, "wglCreateContext");
_glfw.wgl.DeleteContext = (WGLDELETECONTEXT_T)
GetProcAddress(_glfw.wgl.instance, "wglDeleteContext");
_glfw.wgl.GetProcAddress = (WGLGETPROCADDRESS_T)
GetProcAddress(_glfw.wgl.instance, "wglGetProcAddress");
_glfw.wgl.GetCurrentDC = (WGLGETCURRENTDC_T)
GetProcAddress(_glfw.wgl.instance, "wglGetCurrentDC");
_glfw.wgl.MakeCurrent = (WGLMAKECURRENT_T)
GetProcAddress(_glfw.wgl.instance, "wglMakeCurrent");
_glfw.wgl.ShareLists = (WGLSHARELISTS_T)
GetProcAddress(_glfw.wgl.instance, "wglShareLists");
return GLFW_TRUE;
}
// Terminate WGL
//
void _glfwTerminateWGL(void)
{
if (_glfw.wgl.instance)
FreeLibrary(_glfw.wgl.instance);
}
#define setWGLattrib(attribName, attribValue) \
{ \
attribs[index++] = attribName; \
attribs[index++] = attribValue; \
assert((size_t) index < sizeof(attribs) / sizeof(attribs[0])); \
}
// Create the OpenGL or OpenGL ES context
//
GLFWbool _glfwCreateContextWGL(_GLFWwindow* window,
const _GLFWctxconfig* ctxconfig,
const _GLFWfbconfig* fbconfig)
{
int attribs[40];
int pixelFormat;
PIXELFORMATDESCRIPTOR pfd;
HGLRC share = NULL;
if (!_glfw.wgl.extensionsLoaded)
loadWGLExtensions();
if (ctxconfig->share)
share = ctxconfig->share->context.wgl.handle;
window->context.wgl.dc = GetDC(window->win32.handle);
if (!window->context.wgl.dc)
{
_glfwInputError(GLFW_PLATFORM_ERROR,
"WGL: Failed to retrieve DC for window");
return GLFW_FALSE;
}
pixelFormat = choosePixelFormat(window, fbconfig);
if (!pixelFormat)
return GLFW_FALSE;
if (!DescribePixelFormat(window->context.wgl.dc,
pixelFormat, sizeof(pfd), &pfd))
{
_glfwInputError(GLFW_PLATFORM_ERROR,
"WGL: Failed to retrieve PFD for selected pixel format");
return GLFW_FALSE;
}
if (!SetPixelFormat(window->context.wgl.dc, pixelFormat, &pfd))
{
_glfwInputError(GLFW_PLATFORM_ERROR,
"WGL: Failed to set selected pixel format");
return GLFW_FALSE;
}
if (ctxconfig->client == GLFW_OPENGL_API)
{
if (ctxconfig->forward)
{
if (!_glfw.wgl.ARB_create_context)
{
_glfwInputError(GLFW_VERSION_UNAVAILABLE,
"WGL: A forward compatible OpenGL context requested but WGL_ARB_create_context is unavailable");
return GLFW_FALSE;
}
}
if (ctxconfig->profile)
{
if (!_glfw.wgl.ARB_create_context_profile)
{
_glfwInputError(GLFW_VERSION_UNAVAILABLE,
"WGL: OpenGL profile requested but WGL_ARB_create_context_profile is unavailable");
return GLFW_FALSE;
}
}
}
else
{
if (!_glfw.wgl.ARB_create_context ||
!_glfw.wgl.ARB_create_context_profile ||
!_glfw.wgl.EXT_create_context_es2_profile)
{
_glfwInputError(GLFW_API_UNAVAILABLE,
"WGL: OpenGL ES requested but WGL_ARB_create_context_es2_profile is unavailable");
return GLFW_FALSE;
}
}
if (_glfw.wgl.ARB_create_context)
{
int index = 0, mask = 0, flags = 0;
if (ctxconfig->client == GLFW_OPENGL_API)
{
if (ctxconfig->forward)
flags |= WGL_CONTEXT_FORWARD_COMPATIBLE_BIT_ARB;
if (ctxconfig->profile == GLFW_OPENGL_CORE_PROFILE)
mask |= WGL_CONTEXT_CORE_PROFILE_BIT_ARB;
else if (ctxconfig->profile == GLFW_OPENGL_COMPAT_PROFILE)
mask |= WGL_CONTEXT_COMPATIBILITY_PROFILE_BIT_ARB;
}
else
mask |= WGL_CONTEXT_ES2_PROFILE_BIT_EXT;
if (ctxconfig->debug)
flags |= WGL_CONTEXT_DEBUG_BIT_ARB;
if (ctxconfig->noerror)
flags |= GL_CONTEXT_FLAG_NO_ERROR_BIT_KHR;
if (ctxconfig->robustness)
{
if (_glfw.wgl.ARB_create_context_robustness)
{
if (ctxconfig->robustness == GLFW_NO_RESET_NOTIFICATION)
{
setWGLattrib(WGL_CONTEXT_RESET_NOTIFICATION_STRATEGY_ARB,
WGL_NO_RESET_NOTIFICATION_ARB);
}
else if (ctxconfig->robustness == GLFW_LOSE_CONTEXT_ON_RESET)
{
setWGLattrib(WGL_CONTEXT_RESET_NOTIFICATION_STRATEGY_ARB,
WGL_LOSE_CONTEXT_ON_RESET_ARB);
}
flags |= WGL_CONTEXT_ROBUST_ACCESS_BIT_ARB;
}
}
if (ctxconfig->release)
{
if (_glfw.wgl.ARB_context_flush_control)
{
if (ctxconfig->release == GLFW_RELEASE_BEHAVIOR_NONE)
{
setWGLattrib(WGL_CONTEXT_RELEASE_BEHAVIOR_ARB,
WGL_CONTEXT_RELEASE_BEHAVIOR_NONE_ARB);
}
else if (ctxconfig->release == GLFW_RELEASE_BEHAVIOR_FLUSH)
{
setWGLattrib(WGL_CONTEXT_RELEASE_BEHAVIOR_ARB,
WGL_CONTEXT_RELEASE_BEHAVIOR_FLUSH_ARB);
}
}
}
// NOTE: Only request an explicitly versioned context when necessary, as
// explicitly requesting version 1.0 does not always return the
// highest version supported by the driver
if (ctxconfig->major != 1 || ctxconfig->minor != 0)
{
setWGLattrib(WGL_CONTEXT_MAJOR_VERSION_ARB, ctxconfig->major);
setWGLattrib(WGL_CONTEXT_MINOR_VERSION_ARB, ctxconfig->minor);
}
if (flags)
setWGLattrib(WGL_CONTEXT_FLAGS_ARB, flags);
if (mask)
setWGLattrib(WGL_CONTEXT_PROFILE_MASK_ARB, mask);
setWGLattrib(0, 0);
window->context.wgl.handle =
_glfw.wgl.CreateContextAttribsARB(window->context.wgl.dc,
share, attribs);
if (!window->context.wgl.handle)
{
const DWORD error = GetLastError();
if (error == (0xc0070000 | ERROR_INVALID_VERSION_ARB))
{
if (ctxconfig->client == GLFW_OPENGL_API)
{
_glfwInputError(GLFW_VERSION_UNAVAILABLE,
"WGL: Driver does not support OpenGL version %i.%i",
ctxconfig->major,
ctxconfig->minor);
}
else
{
_glfwInputError(GLFW_VERSION_UNAVAILABLE,
"WGL: Driver does not support OpenGL ES version %i.%i",
ctxconfig->major,
ctxconfig->minor);
}
}
else if (error == (0xc0070000 | ERROR_INVALID_PROFILE_ARB))
{
_glfwInputError(GLFW_VERSION_UNAVAILABLE,
"WGL: Driver does not support the requested OpenGL profile");
}
else
{
if (ctxconfig->client == GLFW_OPENGL_API)
{
_glfwInputError(GLFW_VERSION_UNAVAILABLE,
"WGL: Failed to create OpenGL context");
}
else
{
_glfwInputError(GLFW_VERSION_UNAVAILABLE,
"WGL: Failed to create OpenGL ES context");
}
}
return GLFW_FALSE;
}
}
else
{
window->context.wgl.handle = wglCreateContext(window->context.wgl.dc);
if (!window->context.wgl.handle)
{
_glfwInputError(GLFW_VERSION_UNAVAILABLE,
"WGL: Failed to create OpenGL context");
return GLFW_FALSE;
}
if (share)
{
if (!wglShareLists(share, window->context.wgl.handle))
{
_glfwInputError(GLFW_PLATFORM_ERROR,
"WGL: Failed to enable sharing with specified OpenGL context");
return GLFW_FALSE;
}
}
}
window->context.makeCurrent = makeContextCurrentWGL;
window->context.swapBuffers = swapBuffersWGL;
window->context.swapInterval = swapIntervalWGL;
window->context.extensionSupported = extensionSupportedWGL;
window->context.getProcAddress = getProcAddressWGL;
window->context.destroy = destroyContextWGL;
return GLFW_TRUE;
}
#undef setWGLattrib
//////////////////////////////////////////////////////////////////////////
////// GLFW native API //////
//////////////////////////////////////////////////////////////////////////
GLFWAPI HGLRC glfwGetWGLContext(GLFWwindow* handle)
{
_GLFWwindow* window = (_GLFWwindow*) handle;
_GLFW_REQUIRE_INIT_OR_RETURN(NULL);
if (window->context.client == GLFW_NO_API)
{
_glfwInputError(GLFW_NO_WINDOW_CONTEXT, NULL);
return NULL;
}
return window->context.wgl.handle;
}

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//========================================================================
// GLFW 3.2 WGL - www.glfw.org
//------------------------------------------------------------------------
// Copyright (c) 2002-2006 Marcus Geelnard
// Copyright (c) 2006-2016 Camilla Berglund <elmindreda@glfw.org>
//
// This software is provided 'as-is', without any express or implied
// warranty. In no event will the authors be held liable for any damages
// arising from the use of this software.
//
// Permission is granted to anyone to use this software for any purpose,
// including commercial applications, and to alter it and redistribute it
// freely, subject to the following restrictions:
//
// 1. The origin of this software must not be misrepresented; you must not
// claim that you wrote the original software. If you use this software
// in a product, an acknowledgment in the product documentation would
// be appreciated but is not required.
//
// 2. Altered source versions must be plainly marked as such, and must not
// be misrepresented as being the original software.
//
// 3. This notice may not be removed or altered from any source
// distribution.
//
//========================================================================
#ifndef _glfw3_wgl_context_h_
#define _glfw3_wgl_context_h_
#define WGL_NUMBER_PIXEL_FORMATS_ARB 0x2000
#define WGL_SUPPORT_OPENGL_ARB 0x2010
#define WGL_DRAW_TO_WINDOW_ARB 0x2001
#define WGL_PIXEL_TYPE_ARB 0x2013
#define WGL_TYPE_RGBA_ARB 0x202b
#define WGL_ACCELERATION_ARB 0x2003
#define WGL_NO_ACCELERATION_ARB 0x2025
#define WGL_RED_BITS_ARB 0x2015
#define WGL_RED_SHIFT_ARB 0x2016
#define WGL_GREEN_BITS_ARB 0x2017
#define WGL_GREEN_SHIFT_ARB 0x2018
#define WGL_BLUE_BITS_ARB 0x2019
#define WGL_BLUE_SHIFT_ARB 0x201a
#define WGL_ALPHA_BITS_ARB 0x201b
#define WGL_ALPHA_SHIFT_ARB 0x201c
#define WGL_ACCUM_BITS_ARB 0x201d
#define WGL_ACCUM_RED_BITS_ARB 0x201e
#define WGL_ACCUM_GREEN_BITS_ARB 0x201f
#define WGL_ACCUM_BLUE_BITS_ARB 0x2020
#define WGL_ACCUM_ALPHA_BITS_ARB 0x2021
#define WGL_DEPTH_BITS_ARB 0x2022
#define WGL_STENCIL_BITS_ARB 0x2023
#define WGL_AUX_BUFFERS_ARB 0x2024
#define WGL_STEREO_ARB 0x2012
#define WGL_DOUBLE_BUFFER_ARB 0x2011
#define WGL_SAMPLES_ARB 0x2042
#define WGL_FRAMEBUFFER_SRGB_CAPABLE_ARB 0x20a9
#define WGL_CONTEXT_DEBUG_BIT_ARB 0x00000001
#define WGL_CONTEXT_FORWARD_COMPATIBLE_BIT_ARB 0x00000002
#define WGL_CONTEXT_PROFILE_MASK_ARB 0x9126
#define WGL_CONTEXT_CORE_PROFILE_BIT_ARB 0x00000001
#define WGL_CONTEXT_COMPATIBILITY_PROFILE_BIT_ARB 0x00000002
#define WGL_CONTEXT_MAJOR_VERSION_ARB 0x2091
#define WGL_CONTEXT_MINOR_VERSION_ARB 0x2092
#define WGL_CONTEXT_FLAGS_ARB 0x2094
#define WGL_CONTEXT_ES2_PROFILE_BIT_EXT 0x00000004
#define WGL_CONTEXT_ROBUST_ACCESS_BIT_ARB 0x00000004
#define WGL_LOSE_CONTEXT_ON_RESET_ARB 0x8252
#define WGL_CONTEXT_RESET_NOTIFICATION_STRATEGY_ARB 0x8256
#define WGL_NO_RESET_NOTIFICATION_ARB 0x8261
#define WGL_CONTEXT_RELEASE_BEHAVIOR_ARB 0x2097
#define WGL_CONTEXT_RELEASE_BEHAVIOR_NONE_ARB 0
#define WGL_CONTEXT_RELEASE_BEHAVIOR_FLUSH_ARB 0x2098
#define ERROR_INVALID_VERSION_ARB 0x2095
#define ERROR_INVALID_PROFILE_ARB 0x2096
typedef BOOL (WINAPI * PFNWGLSWAPINTERVALEXTPROC)(int);
typedef BOOL (WINAPI * PFNWGLGETPIXELFORMATATTRIBIVARBPROC)(HDC,int,int,UINT,const int*,int*);
typedef const char* (WINAPI * PFNWGLGETEXTENSIONSSTRINGEXTPROC)(void);
typedef const char* (WINAPI * PFNWGLGETEXTENSIONSSTRINGARBPROC)(HDC);
typedef HGLRC (WINAPI * PFNWGLCREATECONTEXTATTRIBSARBPROC)(HDC,HGLRC,const int*);
typedef HGLRC (WINAPI * WGLCREATECONTEXT_T)(HDC);
typedef BOOL (WINAPI * WGLDELETECONTEXT_T)(HGLRC);
typedef PROC (WINAPI * WGLGETPROCADDRESS_T)(LPCSTR);
typedef HDC (WINAPI * WGLGETCURRENTDC_T)(void);
typedef BOOL (WINAPI * WGLMAKECURRENT_T)(HDC,HGLRC);
typedef BOOL (WINAPI * WGLSHARELISTS_T)(HGLRC,HGLRC);
// opengl32.dll function pointer typedefs
#define wglCreateContext _glfw.wgl.CreateContext
#define wglDeleteContext _glfw.wgl.DeleteContext
#define wglGetProcAddress _glfw.wgl.GetProcAddress
#define wglGetCurrentDC _glfw.wgl.GetCurrentDC
#define wglMakeCurrent _glfw.wgl.MakeCurrent
#define wglShareLists _glfw.wgl.ShareLists
#define _GLFW_RECREATION_NOT_NEEDED 0
#define _GLFW_RECREATION_REQUIRED 1
#define _GLFW_RECREATION_IMPOSSIBLE 2
#define _GLFW_PLATFORM_CONTEXT_STATE _GLFWcontextWGL wgl
#define _GLFW_PLATFORM_LIBRARY_CONTEXT_STATE _GLFWlibraryWGL wgl
// WGL-specific per-context data
//
typedef struct _GLFWcontextWGL
{
HDC dc;
HGLRC handle;
int interval;
} _GLFWcontextWGL;
// WGL-specific global data
//
typedef struct _GLFWlibraryWGL
{
HINSTANCE instance;
WGLCREATECONTEXT_T CreateContext;
WGLDELETECONTEXT_T DeleteContext;
WGLGETPROCADDRESS_T GetProcAddress;
WGLGETCURRENTDC_T GetCurrentDC;
WGLMAKECURRENT_T MakeCurrent;
WGLSHARELISTS_T ShareLists;
GLFWbool extensionsLoaded;
PFNWGLSWAPINTERVALEXTPROC SwapIntervalEXT;
PFNWGLGETPIXELFORMATATTRIBIVARBPROC GetPixelFormatAttribivARB;
PFNWGLGETEXTENSIONSSTRINGEXTPROC GetExtensionsStringEXT;
PFNWGLGETEXTENSIONSSTRINGARBPROC GetExtensionsStringARB;
PFNWGLCREATECONTEXTATTRIBSARBPROC CreateContextAttribsARB;
GLFWbool EXT_swap_control;
GLFWbool ARB_multisample;
GLFWbool ARB_framebuffer_sRGB;
GLFWbool EXT_framebuffer_sRGB;
GLFWbool ARB_pixel_format;
GLFWbool ARB_create_context;
GLFWbool ARB_create_context_profile;
GLFWbool EXT_create_context_es2_profile;
GLFWbool ARB_create_context_robustness;
GLFWbool ARB_context_flush_control;
} _GLFWlibraryWGL;
GLFWbool _glfwInitWGL(void);
void _glfwTerminateWGL(void);
GLFWbool _glfwCreateContextWGL(_GLFWwindow* window,
const _GLFWctxconfig* ctxconfig,
const _GLFWfbconfig* fbconfig);
#endif // _glfw3_wgl_context_h_

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//========================================================================
// GLFW 3.2 Win32 - www.glfw.org
//------------------------------------------------------------------------
// Copyright (c) 2002-2006 Marcus Geelnard
// Copyright (c) 2006-2016 Camilla Berglund <elmindreda@glfw.org>
//
// This software is provided 'as-is', without any express or implied
// warranty. In no event will the authors be held liable for any damages
// arising from the use of this software.
//
// Permission is granted to anyone to use this software for any purpose,
// including commercial applications, and to alter it and redistribute it
// freely, subject to the following restrictions:
//
// 1. The origin of this software must not be misrepresented; you must not
// claim that you wrote the original software. If you use this software
// in a product, an acknowledgment in the product documentation would
// be appreciated but is not required.
//
// 2. Altered source versions must be plainly marked as such, and must not
// be misrepresented as being the original software.
//
// 3. This notice may not be removed or altered from any source
// distribution.
//
//========================================================================
#include "internal.h"
#include <stdlib.h>
#include <malloc.h>
#include <initguid.h>
DEFINE_GUID(GUID_DEVINTERFACE_HID,0x4d1e55b2,0xf16f,0x11cf,0x88,0xcb,0x00,0x11,0x11,0x00,0x00,0x30);
#if defined(_GLFW_USE_HYBRID_HPG) || defined(_GLFW_USE_OPTIMUS_HPG)
// Applications exporting this symbol with this value will be automatically
// directed to the high-performance GPU on Nvidia Optimus systems with
// up-to-date drivers
//
__declspec(dllexport) DWORD NvOptimusEnablement = 1;
// Applications exporting this symbol with this value will be automatically
// directed to the high-performance GPU on AMD PowerXpress systems with
// up-to-date drivers
//
__declspec(dllexport) int AmdPowerXpressRequestHighPerformance = 1;
#endif // _GLFW_USE_HYBRID_HPG
#if defined(_GLFW_BUILD_DLL)
// GLFW DLL entry point
//
BOOL WINAPI DllMain(HINSTANCE instance, DWORD reason, LPVOID reserved)
{
return TRUE;
}
#endif // _GLFW_BUILD_DLL
// Load necessary libraries (DLLs)
//
static GLFWbool loadLibraries(void)
{
_glfw.win32.winmm.instance = LoadLibraryA("winmm.dll");
if (!_glfw.win32.winmm.instance)
{
_glfwInputError(GLFW_PLATFORM_ERROR, "Win32: Failed to load winmm.dll");
return GLFW_FALSE;
}
_glfw.win32.winmm.timeGetTime = (TIMEGETTIME_T)
GetProcAddress(_glfw.win32.winmm.instance, "timeGetTime");
_glfw.win32.user32.instance = LoadLibraryA("user32.dll");
if (!_glfw.win32.user32.instance)
{
_glfwInputError(GLFW_PLATFORM_ERROR, "Win32: Failed to load user32.dll");
return GLFW_FALSE;
}
_glfw.win32.user32.SetProcessDPIAware = (SETPROCESSDPIAWARE_T)
GetProcAddress(_glfw.win32.user32.instance, "SetProcessDPIAware");
_glfw.win32.user32.ChangeWindowMessageFilterEx = (CHANGEWINDOWMESSAGEFILTEREX_T)
GetProcAddress(_glfw.win32.user32.instance, "ChangeWindowMessageFilterEx");
_glfw.win32.dinput8.instance = LoadLibraryA("dinput8.dll");
if (_glfw.win32.dinput8.instance)
{
_glfw.win32.dinput8.DirectInput8Create = (DIRECTINPUT8CREATE_T)
GetProcAddress(_glfw.win32.dinput8.instance, "DirectInput8Create");
}
{
int i;
const char* names[] =
{
"xinput1_4.dll",
"xinput1_3.dll",
"xinput9_1_0.dll",
"xinput1_2.dll",
"xinput1_1.dll",
NULL
};
for (i = 0; names[i]; i++)
{
_glfw.win32.xinput.instance = LoadLibraryA(names[i]);
if (_glfw.win32.xinput.instance)
{
_glfw.win32.xinput.XInputGetCapabilities = (XINPUTGETCAPABILITIES_T)
GetProcAddress(_glfw.win32.xinput.instance, "XInputGetCapabilities");
_glfw.win32.xinput.XInputGetState = (XINPUTGETSTATE_T)
GetProcAddress(_glfw.win32.xinput.instance, "XInputGetState");
break;
}
}
}
_glfw.win32.dwmapi.instance = LoadLibraryA("dwmapi.dll");
if (_glfw.win32.dwmapi.instance)
{
_glfw.win32.dwmapi.DwmIsCompositionEnabled = (DWMISCOMPOSITIONENABLED_T)
GetProcAddress(_glfw.win32.dwmapi.instance, "DwmIsCompositionEnabled");
_glfw.win32.dwmapi.DwmFlush = (DWMFLUSH_T)
GetProcAddress(_glfw.win32.dwmapi.instance, "DwmFlush");
}
_glfw.win32.shcore.instance = LoadLibraryA("shcore.dll");
if (_glfw.win32.shcore.instance)
{
_glfw.win32.shcore.SetProcessDpiAwareness = (SETPROCESSDPIAWARENESS_T)
GetProcAddress(_glfw.win32.shcore.instance, "SetProcessDpiAwareness");
}
return GLFW_TRUE;
}
// Unload used libraries (DLLs)
//
static void freeLibraries(void)
{
if (_glfw.win32.xinput.instance)
FreeLibrary(_glfw.win32.xinput.instance);
if (_glfw.win32.dinput8.instance)
FreeLibrary(_glfw.win32.dinput8.instance);
if (_glfw.win32.winmm.instance)
FreeLibrary(_glfw.win32.winmm.instance);
if (_glfw.win32.user32.instance)
FreeLibrary(_glfw.win32.user32.instance);
if (_glfw.win32.dwmapi.instance)
FreeLibrary(_glfw.win32.dwmapi.instance);
if (_glfw.win32.shcore.instance)
FreeLibrary(_glfw.win32.shcore.instance);
}
// Create key code translation tables
//
static void createKeyTables(void)
{
int scancode;
memset(_glfw.win32.publicKeys, -1, sizeof(_glfw.win32.publicKeys));
memset(_glfw.win32.nativeKeys, -1, sizeof(_glfw.win32.nativeKeys));
_glfw.win32.publicKeys[0x00B] = GLFW_KEY_0;
_glfw.win32.publicKeys[0x002] = GLFW_KEY_1;
_glfw.win32.publicKeys[0x003] = GLFW_KEY_2;
_glfw.win32.publicKeys[0x004] = GLFW_KEY_3;
_glfw.win32.publicKeys[0x005] = GLFW_KEY_4;
_glfw.win32.publicKeys[0x006] = GLFW_KEY_5;
_glfw.win32.publicKeys[0x007] = GLFW_KEY_6;
_glfw.win32.publicKeys[0x008] = GLFW_KEY_7;
_glfw.win32.publicKeys[0x009] = GLFW_KEY_8;
_glfw.win32.publicKeys[0x00A] = GLFW_KEY_9;
_glfw.win32.publicKeys[0x01E] = GLFW_KEY_A;
_glfw.win32.publicKeys[0x030] = GLFW_KEY_B;
_glfw.win32.publicKeys[0x02E] = GLFW_KEY_C;
_glfw.win32.publicKeys[0x020] = GLFW_KEY_D;
_glfw.win32.publicKeys[0x012] = GLFW_KEY_E;
_glfw.win32.publicKeys[0x021] = GLFW_KEY_F;
_glfw.win32.publicKeys[0x022] = GLFW_KEY_G;
_glfw.win32.publicKeys[0x023] = GLFW_KEY_H;
_glfw.win32.publicKeys[0x017] = GLFW_KEY_I;
_glfw.win32.publicKeys[0x024] = GLFW_KEY_J;
_glfw.win32.publicKeys[0x025] = GLFW_KEY_K;
_glfw.win32.publicKeys[0x026] = GLFW_KEY_L;
_glfw.win32.publicKeys[0x032] = GLFW_KEY_M;
_glfw.win32.publicKeys[0x031] = GLFW_KEY_N;
_glfw.win32.publicKeys[0x018] = GLFW_KEY_O;
_glfw.win32.publicKeys[0x019] = GLFW_KEY_P;
_glfw.win32.publicKeys[0x010] = GLFW_KEY_Q;
_glfw.win32.publicKeys[0x013] = GLFW_KEY_R;
_glfw.win32.publicKeys[0x01F] = GLFW_KEY_S;
_glfw.win32.publicKeys[0x014] = GLFW_KEY_T;
_glfw.win32.publicKeys[0x016] = GLFW_KEY_U;
_glfw.win32.publicKeys[0x02F] = GLFW_KEY_V;
_glfw.win32.publicKeys[0x011] = GLFW_KEY_W;
_glfw.win32.publicKeys[0x02D] = GLFW_KEY_X;
_glfw.win32.publicKeys[0x015] = GLFW_KEY_Y;
_glfw.win32.publicKeys[0x02C] = GLFW_KEY_Z;
_glfw.win32.publicKeys[0x028] = GLFW_KEY_APOSTROPHE;
_glfw.win32.publicKeys[0x02B] = GLFW_KEY_BACKSLASH;
_glfw.win32.publicKeys[0x033] = GLFW_KEY_COMMA;
_glfw.win32.publicKeys[0x00D] = GLFW_KEY_EQUAL;
_glfw.win32.publicKeys[0x029] = GLFW_KEY_GRAVE_ACCENT;
_glfw.win32.publicKeys[0x01A] = GLFW_KEY_LEFT_BRACKET;
_glfw.win32.publicKeys[0x00C] = GLFW_KEY_MINUS;
_glfw.win32.publicKeys[0x034] = GLFW_KEY_PERIOD;
_glfw.win32.publicKeys[0x01B] = GLFW_KEY_RIGHT_BRACKET;
_glfw.win32.publicKeys[0x027] = GLFW_KEY_SEMICOLON;
_glfw.win32.publicKeys[0x035] = GLFW_KEY_SLASH;
_glfw.win32.publicKeys[0x056] = GLFW_KEY_WORLD_2;
_glfw.win32.publicKeys[0x00E] = GLFW_KEY_BACKSPACE;
_glfw.win32.publicKeys[0x153] = GLFW_KEY_DELETE;
_glfw.win32.publicKeys[0x14F] = GLFW_KEY_END;
_glfw.win32.publicKeys[0x01C] = GLFW_KEY_ENTER;
_glfw.win32.publicKeys[0x001] = GLFW_KEY_ESCAPE;
_glfw.win32.publicKeys[0x147] = GLFW_KEY_HOME;
_glfw.win32.publicKeys[0x152] = GLFW_KEY_INSERT;
_glfw.win32.publicKeys[0x15D] = GLFW_KEY_MENU;
_glfw.win32.publicKeys[0x151] = GLFW_KEY_PAGE_DOWN;
_glfw.win32.publicKeys[0x149] = GLFW_KEY_PAGE_UP;
_glfw.win32.publicKeys[0x045] = GLFW_KEY_PAUSE;
_glfw.win32.publicKeys[0x146] = GLFW_KEY_PAUSE;
_glfw.win32.publicKeys[0x039] = GLFW_KEY_SPACE;
_glfw.win32.publicKeys[0x00F] = GLFW_KEY_TAB;
_glfw.win32.publicKeys[0x03A] = GLFW_KEY_CAPS_LOCK;
_glfw.win32.publicKeys[0x145] = GLFW_KEY_NUM_LOCK;
_glfw.win32.publicKeys[0x046] = GLFW_KEY_SCROLL_LOCK;
_glfw.win32.publicKeys[0x03B] = GLFW_KEY_F1;
_glfw.win32.publicKeys[0x03C] = GLFW_KEY_F2;
_glfw.win32.publicKeys[0x03D] = GLFW_KEY_F3;
_glfw.win32.publicKeys[0x03E] = GLFW_KEY_F4;
_glfw.win32.publicKeys[0x03F] = GLFW_KEY_F5;
_glfw.win32.publicKeys[0x040] = GLFW_KEY_F6;
_glfw.win32.publicKeys[0x041] = GLFW_KEY_F7;
_glfw.win32.publicKeys[0x042] = GLFW_KEY_F8;
_glfw.win32.publicKeys[0x043] = GLFW_KEY_F9;
_glfw.win32.publicKeys[0x044] = GLFW_KEY_F10;
_glfw.win32.publicKeys[0x057] = GLFW_KEY_F11;
_glfw.win32.publicKeys[0x058] = GLFW_KEY_F12;
_glfw.win32.publicKeys[0x064] = GLFW_KEY_F13;
_glfw.win32.publicKeys[0x065] = GLFW_KEY_F14;
_glfw.win32.publicKeys[0x066] = GLFW_KEY_F15;
_glfw.win32.publicKeys[0x067] = GLFW_KEY_F16;
_glfw.win32.publicKeys[0x068] = GLFW_KEY_F17;
_glfw.win32.publicKeys[0x069] = GLFW_KEY_F18;
_glfw.win32.publicKeys[0x06A] = GLFW_KEY_F19;
_glfw.win32.publicKeys[0x06B] = GLFW_KEY_F20;
_glfw.win32.publicKeys[0x06C] = GLFW_KEY_F21;
_glfw.win32.publicKeys[0x06D] = GLFW_KEY_F22;
_glfw.win32.publicKeys[0x06E] = GLFW_KEY_F23;
_glfw.win32.publicKeys[0x076] = GLFW_KEY_F24;
_glfw.win32.publicKeys[0x038] = GLFW_KEY_LEFT_ALT;
_glfw.win32.publicKeys[0x01D] = GLFW_KEY_LEFT_CONTROL;
_glfw.win32.publicKeys[0x02A] = GLFW_KEY_LEFT_SHIFT;
_glfw.win32.publicKeys[0x15B] = GLFW_KEY_LEFT_SUPER;
_glfw.win32.publicKeys[0x137] = GLFW_KEY_PRINT_SCREEN;
_glfw.win32.publicKeys[0x138] = GLFW_KEY_RIGHT_ALT;
_glfw.win32.publicKeys[0x11D] = GLFW_KEY_RIGHT_CONTROL;
_glfw.win32.publicKeys[0x036] = GLFW_KEY_RIGHT_SHIFT;
_glfw.win32.publicKeys[0x15C] = GLFW_KEY_RIGHT_SUPER;
_glfw.win32.publicKeys[0x150] = GLFW_KEY_DOWN;
_glfw.win32.publicKeys[0x14B] = GLFW_KEY_LEFT;
_glfw.win32.publicKeys[0x14D] = GLFW_KEY_RIGHT;
_glfw.win32.publicKeys[0x148] = GLFW_KEY_UP;
_glfw.win32.publicKeys[0x052] = GLFW_KEY_KP_0;
_glfw.win32.publicKeys[0x04F] = GLFW_KEY_KP_1;
_glfw.win32.publicKeys[0x050] = GLFW_KEY_KP_2;
_glfw.win32.publicKeys[0x051] = GLFW_KEY_KP_3;
_glfw.win32.publicKeys[0x04B] = GLFW_KEY_KP_4;
_glfw.win32.publicKeys[0x04C] = GLFW_KEY_KP_5;
_glfw.win32.publicKeys[0x04D] = GLFW_KEY_KP_6;
_glfw.win32.publicKeys[0x047] = GLFW_KEY_KP_7;
_glfw.win32.publicKeys[0x048] = GLFW_KEY_KP_8;
_glfw.win32.publicKeys[0x049] = GLFW_KEY_KP_9;
_glfw.win32.publicKeys[0x04E] = GLFW_KEY_KP_ADD;
_glfw.win32.publicKeys[0x053] = GLFW_KEY_KP_DECIMAL;
_glfw.win32.publicKeys[0x135] = GLFW_KEY_KP_DIVIDE;
_glfw.win32.publicKeys[0x11C] = GLFW_KEY_KP_ENTER;
_glfw.win32.publicKeys[0x037] = GLFW_KEY_KP_MULTIPLY;
_glfw.win32.publicKeys[0x04A] = GLFW_KEY_KP_SUBTRACT;
for (scancode = 0; scancode < 512; scancode++)
{
if (_glfw.win32.publicKeys[scancode] > 0)
_glfw.win32.nativeKeys[_glfw.win32.publicKeys[scancode]] = scancode;
}
}
// Creates a dummy window for behind-the-scenes work
//
static HWND createHelperWindow(void)
{
HWND window = CreateWindowExW(WS_EX_OVERLAPPEDWINDOW,
_GLFW_WNDCLASSNAME,
L"GLFW helper window",
WS_CLIPSIBLINGS | WS_CLIPCHILDREN,
0, 0, 1, 1,
HWND_MESSAGE, NULL,
GetModuleHandleW(NULL),
NULL);
if (!window)
{
_glfwInputError(GLFW_PLATFORM_ERROR,
"Win32: Failed to create helper window");
return NULL;
}
// HACK: The first call to ShowWindow is ignored if the parent process
// passed along a STARTUPINFO, so clear that flag with a no-op call
ShowWindow(window, SW_HIDE);
// Register for HID device notifications
{
DEV_BROADCAST_DEVICEINTERFACE_W dbi;
ZeroMemory(&dbi, sizeof(dbi));
dbi.dbcc_size = sizeof(dbi);
dbi.dbcc_devicetype = DBT_DEVTYP_DEVICEINTERFACE;
dbi.dbcc_classguid = GUID_DEVINTERFACE_HID;
RegisterDeviceNotificationW(window,
(DEV_BROADCAST_HDR*) &dbi,
DEVICE_NOTIFY_WINDOW_HANDLE);
}
return window;
}
//////////////////////////////////////////////////////////////////////////
////// GLFW internal API //////
//////////////////////////////////////////////////////////////////////////
// Returns a wide string version of the specified UTF-8 string
//
WCHAR* _glfwCreateWideStringFromUTF8Win32(const char* source)
{
WCHAR* target;
int length;
length = MultiByteToWideChar(CP_UTF8, 0, source, -1, NULL, 0);
if (!length)
return NULL;
target = calloc(length, sizeof(WCHAR));
if (!MultiByteToWideChar(CP_UTF8, 0, source, -1, target, length))
{
free(target);
return NULL;
}
return target;
}
// Returns a UTF-8 string version of the specified wide string
//
char* _glfwCreateUTF8FromWideStringWin32(const WCHAR* source)
{
char* target;
int length;
length = WideCharToMultiByte(CP_UTF8, 0, source, -1, NULL, 0, NULL, NULL);
if (!length)
return NULL;
target = calloc(length, 1);
if (!WideCharToMultiByte(CP_UTF8, 0, source, -1, target, length, NULL, NULL))
{
free(target);
return NULL;
}
return target;
}
//////////////////////////////////////////////////////////////////////////
////// GLFW platform API //////
//////////////////////////////////////////////////////////////////////////
int _glfwPlatformInit(void)
{
if (!_glfwInitThreadLocalStorageWin32())
return GLFW_FALSE;
// To make SetForegroundWindow work as we want, we need to fiddle
// with the FOREGROUNDLOCKTIMEOUT system setting (we do this as early
// as possible in the hope of still being the foreground process)
SystemParametersInfoW(SPI_GETFOREGROUNDLOCKTIMEOUT, 0,
&_glfw.win32.foregroundLockTimeout, 0);
SystemParametersInfoW(SPI_SETFOREGROUNDLOCKTIMEOUT, 0, UIntToPtr(0),
SPIF_SENDCHANGE);
if (!loadLibraries())
return GLFW_FALSE;
createKeyTables();
if (_glfw_SetProcessDpiAwareness)
_glfw_SetProcessDpiAwareness(PROCESS_PER_MONITOR_DPI_AWARE);
else if (_glfw_SetProcessDPIAware)
_glfw_SetProcessDPIAware();
if (!_glfwRegisterWindowClassWin32())
return GLFW_FALSE;
_glfw.win32.helperWindowHandle = createHelperWindow();
if (!_glfw.win32.helperWindowHandle)
return GLFW_FALSE;
_glfwPlatformPollEvents();
_glfwInitTimerWin32();
_glfwInitJoysticksWin32();
return GLFW_TRUE;
}
void _glfwPlatformTerminate(void)
{
if (_glfw.win32.helperWindowHandle)
DestroyWindow(_glfw.win32.helperWindowHandle);
_glfwUnregisterWindowClassWin32();
// Restore previous foreground lock timeout system setting
SystemParametersInfoW(SPI_SETFOREGROUNDLOCKTIMEOUT, 0,
UIntToPtr(_glfw.win32.foregroundLockTimeout),
SPIF_SENDCHANGE);
free(_glfw.win32.clipboardString);
_glfwTerminateWGL();
_glfwTerminateEGL();
_glfwTerminateJoysticksWin32();
_glfwTerminateThreadLocalStorageWin32();
freeLibraries();
}
const char* _glfwPlatformGetVersionString(void)
{
return _GLFW_VERSION_NUMBER " Win32 WGL EGL"
#if defined(__MINGW32__)
" MinGW"
#elif defined(_MSC_VER)
" VisualC"
#endif
#if defined(_GLFW_USE_HYBRID_HPG) || defined(_GLFW_USE_OPTIMUS_HPG)
" hybrid-GPU"
#endif
#if defined(_GLFW_BUILD_DLL)
" DLL"
#endif
;
}

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@ -0,0 +1,763 @@
//========================================================================
// GLFW 3.1 Win32 - www.glfw.org
//------------------------------------------------------------------------
// Copyright (c) 2002-2006 Marcus Geelnard
// Copyright (c) 2006-2016 Camilla Berglund <elmindreda@glfw.org>
//
// This software is provided 'as-is', without any express or implied
// warranty. In no event will the authors be held liable for any damages
// arising from the use of this software.
//
// Permission is granted to anyone to use this software for any purpose,
// including commercial applications, and to alter it and redistribute it
// freely, subject to the following restrictions:
//
// 1. The origin of this software must not be misrepresented; you must not
// claim that you wrote the original software. If you use this software
// in a product, an acknowledgment in the product documentation would
// be appreciated but is not required.
//
// 2. Altered source versions must be plainly marked as such, and must not
// be misrepresented as being the original software.
//
// 3. This notice may not be removed or altered from any source
// distribution.
//
//========================================================================
#include "internal.h"
#include <math.h>
#include <initguid.h>
#define _GLFW_PRESENCE_ONLY 1
#define _GLFW_UPDATE_STATE 2
#define _GLFW_TYPE_AXIS 0
#define _GLFW_TYPE_SLIDER 1
#define _GLFW_TYPE_BUTTON 2
#define _GLFW_TYPE_POV 3
// Data produced with DirectInput device object enumeration
//
typedef struct _GLFWobjenumWin32
{
IDirectInputDevice8W* device;
_GLFWjoyobjectWin32* objects;
int objectCount;
int axisCount;
int sliderCount;
int buttonCount;
int povCount;
} _GLFWobjenumWin32;
// Define only the necessary GUIDs (it's bad enough that we're exporting these)
//
DEFINE_GUID(IID_IDirectInput8W,0xbf798031,0x483a,0x4da2,0xaa,0x99,0x5d,0x64,0xed,0x36,0x97,0x00);
DEFINE_GUID(GUID_XAxis,0xa36d02e0,0xc9f3,0x11cf,0xbf,0xc7,0x44,0x45,0x53,0x54,0x00,0x00);
DEFINE_GUID(GUID_YAxis,0xa36d02e1,0xc9f3,0x11cf,0xbf,0xc7,0x44,0x45,0x53,0x54,0x00,0x00);
DEFINE_GUID(GUID_ZAxis,0xa36d02e2,0xc9f3,0x11cf,0xbf,0xc7,0x44,0x45,0x53,0x54,0x00,0x00);
DEFINE_GUID(GUID_RxAxis,0xa36d02f4,0xc9f3,0x11cf,0xbf,0xc7,0x44,0x45,0x53,0x54,0x00,0x00);
DEFINE_GUID(GUID_RyAxis,0xa36d02f5,0xc9f3,0x11cf,0xbf,0xc7,0x44,0x45,0x53,0x54,0x00,0x00);
DEFINE_GUID(GUID_RzAxis,0xa36d02e3,0xc9f3,0x11cf,0xbf,0xc7,0x44,0x45,0x53,0x54,0x00,0x00);
DEFINE_GUID(GUID_Slider,0xa36d02e4,0xc9f3,0x11cf,0xbf,0xc7,0x44,0x45,0x53,0x54,0x00,0x00);
DEFINE_GUID(GUID_Button,0xa36d02f0,0xc9f3,0x11cf,0xbf,0xc7,0x44,0x45,0x53,0x54,0x00,0x00);
DEFINE_GUID(GUID_POV,0xa36d02f2,0xc9f3,0x11cf,0xbf,0xc7,0x44,0x45,0x53,0x54,0x00,0x00);
// Object data array for our clone of c_dfDIJoystick
// Generated with https://github.com/elmindreda/c_dfDIJoystick2
//
static DIOBJECTDATAFORMAT _glfwObjectDataFormats[] =
{
{ &GUID_XAxis,DIJOFS_X,DIDFT_AXIS|DIDFT_OPTIONAL|DIDFT_ANYINSTANCE,DIDOI_ASPECTPOSITION },
{ &GUID_YAxis,DIJOFS_Y,DIDFT_AXIS|DIDFT_OPTIONAL|DIDFT_ANYINSTANCE,DIDOI_ASPECTPOSITION },
{ &GUID_ZAxis,DIJOFS_Z,DIDFT_AXIS|DIDFT_OPTIONAL|DIDFT_ANYINSTANCE,DIDOI_ASPECTPOSITION },
{ &GUID_RxAxis,DIJOFS_RX,DIDFT_AXIS|DIDFT_OPTIONAL|DIDFT_ANYINSTANCE,DIDOI_ASPECTPOSITION },
{ &GUID_RyAxis,DIJOFS_RY,DIDFT_AXIS|DIDFT_OPTIONAL|DIDFT_ANYINSTANCE,DIDOI_ASPECTPOSITION },
{ &GUID_RzAxis,DIJOFS_RZ,DIDFT_AXIS|DIDFT_OPTIONAL|DIDFT_ANYINSTANCE,DIDOI_ASPECTPOSITION },
{ &GUID_Slider,DIJOFS_SLIDER(0),DIDFT_AXIS|DIDFT_OPTIONAL|DIDFT_ANYINSTANCE,DIDOI_ASPECTPOSITION },
{ &GUID_Slider,DIJOFS_SLIDER(1),DIDFT_AXIS|DIDFT_OPTIONAL|DIDFT_ANYINSTANCE,DIDOI_ASPECTPOSITION },
{ &GUID_POV,DIJOFS_POV(0),DIDFT_POV|DIDFT_OPTIONAL|DIDFT_ANYINSTANCE,0 },
{ &GUID_POV,DIJOFS_POV(1),DIDFT_POV|DIDFT_OPTIONAL|DIDFT_ANYINSTANCE,0 },
{ &GUID_POV,DIJOFS_POV(2),DIDFT_POV|DIDFT_OPTIONAL|DIDFT_ANYINSTANCE,0 },
{ &GUID_POV,DIJOFS_POV(3),DIDFT_POV|DIDFT_OPTIONAL|DIDFT_ANYINSTANCE,0 },
{ NULL,DIJOFS_BUTTON(0),DIDFT_BUTTON|DIDFT_OPTIONAL|DIDFT_ANYINSTANCE,0 },
{ NULL,DIJOFS_BUTTON(1),DIDFT_BUTTON|DIDFT_OPTIONAL|DIDFT_ANYINSTANCE,0 },
{ NULL,DIJOFS_BUTTON(2),DIDFT_BUTTON|DIDFT_OPTIONAL|DIDFT_ANYINSTANCE,0 },
{ NULL,DIJOFS_BUTTON(3),DIDFT_BUTTON|DIDFT_OPTIONAL|DIDFT_ANYINSTANCE,0 },
{ NULL,DIJOFS_BUTTON(4),DIDFT_BUTTON|DIDFT_OPTIONAL|DIDFT_ANYINSTANCE,0 },
{ NULL,DIJOFS_BUTTON(5),DIDFT_BUTTON|DIDFT_OPTIONAL|DIDFT_ANYINSTANCE,0 },
{ NULL,DIJOFS_BUTTON(6),DIDFT_BUTTON|DIDFT_OPTIONAL|DIDFT_ANYINSTANCE,0 },
{ NULL,DIJOFS_BUTTON(7),DIDFT_BUTTON|DIDFT_OPTIONAL|DIDFT_ANYINSTANCE,0 },
{ NULL,DIJOFS_BUTTON(8),DIDFT_BUTTON|DIDFT_OPTIONAL|DIDFT_ANYINSTANCE,0 },
{ NULL,DIJOFS_BUTTON(9),DIDFT_BUTTON|DIDFT_OPTIONAL|DIDFT_ANYINSTANCE,0 },
{ NULL,DIJOFS_BUTTON(10),DIDFT_BUTTON|DIDFT_OPTIONAL|DIDFT_ANYINSTANCE,0 },
{ NULL,DIJOFS_BUTTON(11),DIDFT_BUTTON|DIDFT_OPTIONAL|DIDFT_ANYINSTANCE,0 },
{ NULL,DIJOFS_BUTTON(12),DIDFT_BUTTON|DIDFT_OPTIONAL|DIDFT_ANYINSTANCE,0 },
{ NULL,DIJOFS_BUTTON(13),DIDFT_BUTTON|DIDFT_OPTIONAL|DIDFT_ANYINSTANCE,0 },
{ NULL,DIJOFS_BUTTON(14),DIDFT_BUTTON|DIDFT_OPTIONAL|DIDFT_ANYINSTANCE,0 },
{ NULL,DIJOFS_BUTTON(15),DIDFT_BUTTON|DIDFT_OPTIONAL|DIDFT_ANYINSTANCE,0 },
{ NULL,DIJOFS_BUTTON(16),DIDFT_BUTTON|DIDFT_OPTIONAL|DIDFT_ANYINSTANCE,0 },
{ NULL,DIJOFS_BUTTON(17),DIDFT_BUTTON|DIDFT_OPTIONAL|DIDFT_ANYINSTANCE,0 },
{ NULL,DIJOFS_BUTTON(18),DIDFT_BUTTON|DIDFT_OPTIONAL|DIDFT_ANYINSTANCE,0 },
{ NULL,DIJOFS_BUTTON(19),DIDFT_BUTTON|DIDFT_OPTIONAL|DIDFT_ANYINSTANCE,0 },
{ NULL,DIJOFS_BUTTON(20),DIDFT_BUTTON|DIDFT_OPTIONAL|DIDFT_ANYINSTANCE,0 },
{ NULL,DIJOFS_BUTTON(21),DIDFT_BUTTON|DIDFT_OPTIONAL|DIDFT_ANYINSTANCE,0 },
{ NULL,DIJOFS_BUTTON(22),DIDFT_BUTTON|DIDFT_OPTIONAL|DIDFT_ANYINSTANCE,0 },
{ NULL,DIJOFS_BUTTON(23),DIDFT_BUTTON|DIDFT_OPTIONAL|DIDFT_ANYINSTANCE,0 },
{ NULL,DIJOFS_BUTTON(24),DIDFT_BUTTON|DIDFT_OPTIONAL|DIDFT_ANYINSTANCE,0 },
{ NULL,DIJOFS_BUTTON(25),DIDFT_BUTTON|DIDFT_OPTIONAL|DIDFT_ANYINSTANCE,0 },
{ NULL,DIJOFS_BUTTON(26),DIDFT_BUTTON|DIDFT_OPTIONAL|DIDFT_ANYINSTANCE,0 },
{ NULL,DIJOFS_BUTTON(27),DIDFT_BUTTON|DIDFT_OPTIONAL|DIDFT_ANYINSTANCE,0 },
{ NULL,DIJOFS_BUTTON(28),DIDFT_BUTTON|DIDFT_OPTIONAL|DIDFT_ANYINSTANCE,0 },
{ NULL,DIJOFS_BUTTON(29),DIDFT_BUTTON|DIDFT_OPTIONAL|DIDFT_ANYINSTANCE,0 },
{ NULL,DIJOFS_BUTTON(30),DIDFT_BUTTON|DIDFT_OPTIONAL|DIDFT_ANYINSTANCE,0 },
{ NULL,DIJOFS_BUTTON(31),DIDFT_BUTTON|DIDFT_OPTIONAL|DIDFT_ANYINSTANCE,0 },
};
// Our clone of c_dfDIJoystick
//
static const DIDATAFORMAT _glfwDataFormat =
{
sizeof(DIDATAFORMAT),
sizeof(DIOBJECTDATAFORMAT),
DIDFT_ABSAXIS,
sizeof(DIJOYSTATE),
sizeof(_glfwObjectDataFormats) / sizeof(DIOBJECTDATAFORMAT),
_glfwObjectDataFormats
};
// Returns a description fitting the specified XInput capabilities
//
static const char* getDeviceDescription(const XINPUT_CAPABILITIES* xic)
{
switch (xic->SubType)
{
case XINPUT_DEVSUBTYPE_WHEEL:
return "XInput Wheel";
case XINPUT_DEVSUBTYPE_ARCADE_STICK:
return "XInput Arcade Stick";
case XINPUT_DEVSUBTYPE_FLIGHT_STICK:
return "XInput Flight Stick";
case XINPUT_DEVSUBTYPE_DANCE_PAD:
return "XInput Dance Pad";
case XINPUT_DEVSUBTYPE_GUITAR:
return "XInput Guitar";
case XINPUT_DEVSUBTYPE_DRUM_KIT:
return "XInput Drum Kit";
case XINPUT_DEVSUBTYPE_GAMEPAD:
{
if (xic->Flags & XINPUT_CAPS_WIRELESS)
return "Wireless Xbox 360 Controller";
else
return "Xbox 360 Controller";
}
}
return "Unknown XInput Device";
}
// Lexically compare device objects
//
static int compareJoystickObjects(const void* first, const void* second)
{
const _GLFWjoyobjectWin32* fo = first;
const _GLFWjoyobjectWin32* so = second;
if (fo->type != so->type)
return fo->type - so->type;
return fo->offset - so->offset;
}
// Checks whether the specified device supports XInput
// Technique from FDInputJoystickManager::IsXInputDeviceFast in ZDoom
//
static GLFWbool supportsXInput(const GUID* guid)
{
UINT i, count = 0;
RAWINPUTDEVICELIST* ridl;
GLFWbool result = GLFW_FALSE;
if (GetRawInputDeviceList(NULL, &count, sizeof(RAWINPUTDEVICELIST)) != 0)
return GLFW_FALSE;
ridl = calloc(count, sizeof(RAWINPUTDEVICELIST));
if (GetRawInputDeviceList(ridl, &count, sizeof(RAWINPUTDEVICELIST)) == (UINT) -1)
{
free(ridl);
return GLFW_FALSE;
}
for (i = 0; i < count; i++)
{
RID_DEVICE_INFO rdi;
char name[256];
UINT size;
if (ridl[i].dwType != RIM_TYPEHID)
continue;
ZeroMemory(&rdi, sizeof(rdi));
rdi.cbSize = sizeof(rdi);
size = sizeof(rdi);
if ((INT) GetRawInputDeviceInfoA(ridl[i].hDevice,
RIDI_DEVICEINFO,
&rdi, &size) == -1)
{
continue;
}
if (MAKELONG(rdi.hid.dwVendorId, rdi.hid.dwProductId) != (LONG) guid->Data1)
continue;
memset(name, 0, sizeof(name));
size = sizeof(name);
if ((INT) GetRawInputDeviceInfoA(ridl[i].hDevice,
RIDI_DEVICENAME,
name, &size) == -1)
{
break;
}
name[sizeof(name) - 1] = '\0';
if (strstr(name, "IG_"))
{
result = GLFW_TRUE;
break;
}
}
free(ridl);
return result;
}
// Frees all resources associated with the specified joystick
//
static void closeJoystick(_GLFWjoystickWin32* js)
{
if (js->device)
{
IDirectInputDevice8_Unacquire(js->device);
IDirectInputDevice8_Release(js->device);
}
free(js->name);
free(js->axes);
free(js->buttons);
free(js->objects);
memset(js, 0, sizeof(_GLFWjoystickWin32));
_glfwInputJoystickChange((int) (js - _glfw.win32_js), GLFW_DISCONNECTED);
}
// DirectInput device object enumeration callback
// Insights gleaned from SDL2
//
static BOOL CALLBACK deviceObjectCallback(const DIDEVICEOBJECTINSTANCEW* doi,
void* user)
{
_GLFWobjenumWin32* data = user;
_GLFWjoyobjectWin32* object = data->objects + data->objectCount;
if (DIDFT_GETTYPE(doi->dwType) & DIDFT_AXIS)
{
DIPROPRANGE dipr;
if (memcmp(&doi->guidType, &GUID_Slider, sizeof(GUID)) == 0)
object->offset = DIJOFS_SLIDER(data->sliderCount);
else if (memcmp(&doi->guidType, &GUID_XAxis, sizeof(GUID)) == 0)
object->offset = DIJOFS_X;
else if (memcmp(&doi->guidType, &GUID_YAxis, sizeof(GUID)) == 0)
object->offset = DIJOFS_Y;
else if (memcmp(&doi->guidType, &GUID_ZAxis, sizeof(GUID)) == 0)
object->offset = DIJOFS_Z;
else if (memcmp(&doi->guidType, &GUID_RxAxis, sizeof(GUID)) == 0)
object->offset = DIJOFS_RX;
else if (memcmp(&doi->guidType, &GUID_RyAxis, sizeof(GUID)) == 0)
object->offset = DIJOFS_RY;
else if (memcmp(&doi->guidType, &GUID_RzAxis, sizeof(GUID)) == 0)
object->offset = DIJOFS_RZ;
else
return DIENUM_CONTINUE;
ZeroMemory(&dipr, sizeof(dipr));
dipr.diph.dwSize = sizeof(dipr);
dipr.diph.dwHeaderSize = sizeof(dipr.diph);
dipr.diph.dwObj = doi->dwType;
dipr.diph.dwHow = DIPH_BYID;
dipr.lMin = -32768;
dipr.lMax = 32767;
if (FAILED(IDirectInputDevice8_SetProperty(data->device,
DIPROP_RANGE,
&dipr.diph)))
{
return DIENUM_CONTINUE;
}
if (memcmp(&doi->guidType, &GUID_Slider, sizeof(GUID)) == 0)
{
object->type = _GLFW_TYPE_SLIDER;
data->sliderCount++;
}
else
{
object->type = _GLFW_TYPE_AXIS;
data->axisCount++;
}
}
else if (DIDFT_GETTYPE(doi->dwType) & DIDFT_BUTTON)
{
object->offset = DIJOFS_BUTTON(data->buttonCount);
object->type = _GLFW_TYPE_BUTTON;
data->buttonCount++;
}
else if (DIDFT_GETTYPE(doi->dwType) & DIDFT_POV)
{
object->offset = DIJOFS_POV(data->povCount);
object->type = _GLFW_TYPE_POV;
data->povCount++;
}
data->objectCount++;
return DIENUM_CONTINUE;
}
// DirectInput device enumeration callback
//
static BOOL CALLBACK deviceCallback(const DIDEVICEINSTANCE* di, void* user)
{
int joy = 0;
DIDEVCAPS dc;
DIPROPDWORD dipd;
IDirectInputDevice8* device;
_GLFWobjenumWin32 data;
_GLFWjoystickWin32* js;
for (joy = GLFW_JOYSTICK_1; joy <= GLFW_JOYSTICK_LAST; joy++)
{
if (memcmp(&_glfw.win32_js[joy].guid, &di->guidInstance, sizeof(GUID)) == 0)
return DIENUM_CONTINUE;
}
for (joy = GLFW_JOYSTICK_1; joy <= GLFW_JOYSTICK_LAST; joy++)
{
if (!_glfw.win32_js[joy].present)
break;
}
if (joy > GLFW_JOYSTICK_LAST)
return DIENUM_STOP;
if (supportsXInput(&di->guidProduct))
return DIENUM_CONTINUE;
if (FAILED(IDirectInput8_CreateDevice(_glfw.win32.dinput8.api,
&di->guidInstance,
&device,
NULL)))
{
_glfwInputError(GLFW_PLATFORM_ERROR, "DI: Failed to create device");
return DIENUM_CONTINUE;
}
if (FAILED(IDirectInputDevice8_SetDataFormat(device, &_glfwDataFormat)))
{
_glfwInputError(GLFW_PLATFORM_ERROR,
"DI: Failed to set device data format");
IDirectInputDevice8_Release(device);
return DIENUM_CONTINUE;
}
ZeroMemory(&dc, sizeof(dc));
dc.dwSize = sizeof(dc);
if (FAILED(IDirectInputDevice8_GetCapabilities(device, &dc)))
{
_glfwInputError(GLFW_PLATFORM_ERROR,
"DI: Failed to query device capabilities");
IDirectInputDevice8_Release(device);
return DIENUM_CONTINUE;
}
ZeroMemory(&dipd, sizeof(dipd));
dipd.diph.dwSize = sizeof(dipd);
dipd.diph.dwHeaderSize = sizeof(dipd.diph);
dipd.diph.dwHow = DIPH_DEVICE;
dipd.dwData = DIPROPAXISMODE_ABS;
if (FAILED(IDirectInputDevice8_SetProperty(device,
DIPROP_AXISMODE,
&dipd.diph)))
{
_glfwInputError(GLFW_PLATFORM_ERROR,
"DI: Failed to set device axis mode");
IDirectInputDevice8_Release(device);
return DIENUM_CONTINUE;
}
memset(&data, 0, sizeof(data));
data.device = device;
data.objects = calloc(dc.dwAxes + dc.dwButtons + dc.dwPOVs,
sizeof(_GLFWjoyobjectWin32));
if (FAILED(IDirectInputDevice8_EnumObjects(device,
deviceObjectCallback,
&data,
DIDFT_AXIS | DIDFT_BUTTON | DIDFT_POV)))
{
_glfwInputError(GLFW_PLATFORM_ERROR,
"DI: Failed to enumerate device objects");
IDirectInputDevice8_Release(device);
free(data.objects);
return DIENUM_CONTINUE;
}
qsort(data.objects, data.objectCount,
sizeof(_GLFWjoyobjectWin32),
compareJoystickObjects);
js = _glfw.win32_js + joy;
js->device = device;
js->guid = di->guidInstance;
js->axisCount = data.axisCount + data.sliderCount;
js->axes = calloc(js->axisCount, sizeof(float));
js->buttonCount += data.buttonCount + data.povCount * 4;
js->buttons = calloc(js->buttonCount, 1);
js->objects = data.objects;
js->objectCount = data.objectCount;
js->name = _glfwCreateUTF8FromWideStringWin32(di->tszInstanceName);
js->present = GLFW_TRUE;
_glfwInputJoystickChange(joy, GLFW_CONNECTED);
return DIENUM_CONTINUE;
}
// Attempt to open the specified joystick device
// TODO: Pack state arrays for non-gamepad devices
//
static GLFWbool openXinputDevice(DWORD index)
{
int joy;
XINPUT_CAPABILITIES xic;
_GLFWjoystickWin32* js;
for (joy = GLFW_JOYSTICK_1; joy <= GLFW_JOYSTICK_LAST; joy++)
{
if (_glfw.win32_js[joy].present &&
_glfw.win32_js[joy].device == NULL &&
_glfw.win32_js[joy].index == index)
{
return GLFW_FALSE;
}
}
for (joy = GLFW_JOYSTICK_1; joy <= GLFW_JOYSTICK_LAST; joy++)
{
if (!_glfw.win32_js[joy].present)
break;
}
if (joy > GLFW_JOYSTICK_LAST)
return GLFW_FALSE;
if (_glfw_XInputGetCapabilities(index, 0, &xic) != ERROR_SUCCESS)
return GLFW_FALSE;
js = _glfw.win32_js + joy;
js->axisCount = 6;
js->axes = calloc(js->axisCount, sizeof(float));
js->buttonCount = 14;
js->buttons = calloc(js->buttonCount, 1);
js->present = GLFW_TRUE;
js->name = strdup(getDeviceDescription(&xic));
js->index = index;
_glfwInputJoystickChange(joy, GLFW_CONNECTED);
return GLFW_TRUE;
}
// Polls for and processes events the specified joystick
//
static GLFWbool pollJoystickState(_GLFWjoystickWin32* js, int mode)
{
if (!js->present)
return GLFW_FALSE;
if (js->device)
{
int i, j, ai = 0, bi = 0;
HRESULT result;
DIJOYSTATE state;
IDirectInputDevice8_Poll(js->device);
result = IDirectInputDevice8_GetDeviceState(js->device,
sizeof(state),
&state);
if (result == DIERR_NOTACQUIRED || result == DIERR_INPUTLOST)
{
IDirectInputDevice8_Acquire(js->device);
IDirectInputDevice8_Poll(js->device);
result = IDirectInputDevice8_GetDeviceState(js->device,
sizeof(state),
&state);
}
if (FAILED(result))
{
closeJoystick(js);
return GLFW_FALSE;
}
if (mode == _GLFW_PRESENCE_ONLY)
return GLFW_TRUE;
for (i = 0; i < js->objectCount; i++)
{
const void* data = (char*) &state + js->objects[i].offset;
switch (js->objects[i].type)
{
case _GLFW_TYPE_AXIS:
case _GLFW_TYPE_SLIDER:
{
js->axes[ai++] = (*((LONG*) data) + 0.5f) / 32767.5f;
break;
}
case _GLFW_TYPE_BUTTON:
{
if (*((BYTE*) data) & 0x80)
js->buttons[bi++] = GLFW_PRESS;
else
js->buttons[bi++] = GLFW_RELEASE;
break;
}
case _GLFW_TYPE_POV:
{
const int directions[9] = { 1, 3, 2, 6, 4, 12, 8, 9, 0 };
// Screams of horror are appropriate at this point
int value = LOWORD(*(DWORD*) data) / (45 * DI_DEGREES);
if (value < 0 || value > 8)
value = 8;
for (j = 0; j < 4; j++)
{
if (directions[value] & (1 << j))
js->buttons[bi++] = GLFW_PRESS;
else
js->buttons[bi++] = GLFW_RELEASE;
}
break;
}
}
}
return GLFW_TRUE;
}
else
{
int i;
DWORD result;
XINPUT_STATE xis;
const WORD buttons[14] =
{
XINPUT_GAMEPAD_A,
XINPUT_GAMEPAD_B,
XINPUT_GAMEPAD_X,
XINPUT_GAMEPAD_Y,
XINPUT_GAMEPAD_LEFT_SHOULDER,
XINPUT_GAMEPAD_RIGHT_SHOULDER,
XINPUT_GAMEPAD_BACK,
XINPUT_GAMEPAD_START,
XINPUT_GAMEPAD_LEFT_THUMB,
XINPUT_GAMEPAD_RIGHT_THUMB,
XINPUT_GAMEPAD_DPAD_UP,
XINPUT_GAMEPAD_DPAD_RIGHT,
XINPUT_GAMEPAD_DPAD_DOWN,
XINPUT_GAMEPAD_DPAD_LEFT
};
result = _glfw_XInputGetState(js->index, &xis);
if (result != ERROR_SUCCESS)
{
if (result == ERROR_DEVICE_NOT_CONNECTED)
closeJoystick(js);
return GLFW_FALSE;
}
if (mode == _GLFW_PRESENCE_ONLY)
return GLFW_TRUE;
if (sqrt((double) (xis.Gamepad.sThumbLX * xis.Gamepad.sThumbLX +
xis.Gamepad.sThumbLY * xis.Gamepad.sThumbLY)) >
(double) XINPUT_GAMEPAD_LEFT_THUMB_DEADZONE)
{
js->axes[0] = (xis.Gamepad.sThumbLX + 0.5f) / 32767.f;
js->axes[1] = (xis.Gamepad.sThumbLY + 0.5f) / 32767.f;
}
else
{
js->axes[0] = 0.f;
js->axes[1] = 0.f;
}
if (sqrt((double) (xis.Gamepad.sThumbRX * xis.Gamepad.sThumbRX +
xis.Gamepad.sThumbRY * xis.Gamepad.sThumbRY)) >
(double) XINPUT_GAMEPAD_RIGHT_THUMB_DEADZONE)
{
js->axes[2] = (xis.Gamepad.sThumbRX + 0.5f) / 32767.f;
js->axes[3] = (xis.Gamepad.sThumbRY + 0.5f) / 32767.f;
}
else
{
js->axes[2] = 0.f;
js->axes[3] = 0.f;
}
if (xis.Gamepad.bLeftTrigger > XINPUT_GAMEPAD_TRIGGER_THRESHOLD)
js->axes[4] = xis.Gamepad.bLeftTrigger / 127.5f - 1.f;
else
js->axes[4] = -1.f;
if (xis.Gamepad.bRightTrigger > XINPUT_GAMEPAD_TRIGGER_THRESHOLD)
js->axes[5] = xis.Gamepad.bRightTrigger / 127.5f - 1.f;
else
js->axes[5] = -1.f;
for (i = 0; i < 14; i++)
js->buttons[i] = (xis.Gamepad.wButtons & buttons[i]) ? 1 : 0;
return GLFW_TRUE;
}
}
//////////////////////////////////////////////////////////////////////////
////// GLFW internal API //////
//////////////////////////////////////////////////////////////////////////
// Initialize joystick interface
//
void _glfwInitJoysticksWin32(void)
{
if (_glfw.win32.dinput8.instance)
{
if (FAILED(_glfw_DirectInput8Create(GetModuleHandle(NULL),
DIRECTINPUT_VERSION,
&IID_IDirectInput8W,
(void**) &_glfw.win32.dinput8.api,
NULL)))
{
_glfwInputError(GLFW_PLATFORM_ERROR,
"DI: Failed to create interface");
}
}
_glfwDetectJoystickConnectionWin32();
}
// Close all opened joystick handles
//
void _glfwTerminateJoysticksWin32(void)
{
int joy;
for (joy = GLFW_JOYSTICK_1; joy <= GLFW_JOYSTICK_LAST; joy++)
closeJoystick(_glfw.win32_js + joy);
if (_glfw.win32.dinput8.api)
IDirectInput8_Release(_glfw.win32.dinput8.api);
}
// Checks for new joysticks after DBT_DEVICEARRIVAL
//
void _glfwDetectJoystickConnectionWin32(void)
{
if (_glfw.win32.xinput.instance)
{
DWORD i;
for (i = 0; i < XUSER_MAX_COUNT; i++)
openXinputDevice(i);
}
if (_glfw.win32.dinput8.api)
{
if (FAILED(IDirectInput8_EnumDevices(_glfw.win32.dinput8.api,
DI8DEVCLASS_GAMECTRL,
deviceCallback,
NULL,
DIEDFL_ALLDEVICES)))
{
_glfwInputError(GLFW_PLATFORM_ERROR,
"Failed to enumerate DirectInput8 devices");
return;
}
}
}
// Checks for joystick disconnection after DBT_DEVICEREMOVECOMPLETE
//
void _glfwDetectJoystickDisconnectionWin32(void)
{
int joy;
for (joy = GLFW_JOYSTICK_1; joy <= GLFW_JOYSTICK_LAST; joy++)
pollJoystickState(_glfw.win32_js + joy, _GLFW_PRESENCE_ONLY);
}
//////////////////////////////////////////////////////////////////////////
////// GLFW platform API //////
//////////////////////////////////////////////////////////////////////////
int _glfwPlatformJoystickPresent(int joy)
{
_GLFWjoystickWin32* js = _glfw.win32_js + joy;
return pollJoystickState(js, _GLFW_PRESENCE_ONLY);
}
const float* _glfwPlatformGetJoystickAxes(int joy, int* count)
{
_GLFWjoystickWin32* js = _glfw.win32_js + joy;
if (!pollJoystickState(js, _GLFW_UPDATE_STATE))
return NULL;
*count = js->axisCount;
return js->axes;
}
const unsigned char* _glfwPlatformGetJoystickButtons(int joy, int* count)
{
_GLFWjoystickWin32* js = _glfw.win32_js + joy;
if (!pollJoystickState(js, _GLFW_UPDATE_STATE))
return NULL;
*count = js->buttonCount;
return js->buttons;
}
const char* _glfwPlatformGetJoystickName(int joy)
{
_GLFWjoystickWin32* js = _glfw.win32_js + joy;
if (!pollJoystickState(js, _GLFW_PRESENCE_ONLY))
return NULL;
return js->name;
}

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//========================================================================
// GLFW 3.2 Win32 - www.glfw.org
//------------------------------------------------------------------------
// Copyright (c) 2006-2016 Camilla Berglund <elmindreda@glfw.org>
//
// This software is provided 'as-is', without any express or implied
// warranty. In no event will the authors be held liable for any damages
// arising from the use of this software.
//
// Permission is granted to anyone to use this software for any purpose,
// including commercial applications, and to alter it and redistribute it
// freely, subject to the following restrictions:
//
// 1. The origin of this software must not be misrepresented; you must not
// claim that you wrote the original software. If you use this software
// in a product, an acknowledgment in the product documentation would
// be appreciated but is not required.
//
// 2. Altered source versions must be plainly marked as such, and must not
// be misrepresented as being the original software.
//
// 3. This notice may not be removed or altered from any source
// distribution.
//
//========================================================================
#ifndef _glfw3_win32_joystick_h_
#define _glfw3_win32_joystick_h_
#define _GLFW_PLATFORM_LIBRARY_JOYSTICK_STATE \
_GLFWjoystickWin32 win32_js[GLFW_JOYSTICK_LAST + 1]
// Joystick element (axis, button or slider)
//
typedef struct _GLFWjoyobjectWin32
{
int offset;
int type;
} _GLFWjoyobjectWin32;
// Win32-specific per-joystick data
//
typedef struct _GLFWjoystickWin32
{
GLFWbool present;
float* axes;
int axisCount;
unsigned char* buttons;
int buttonCount;
_GLFWjoyobjectWin32* objects;
int objectCount;
char* name;
IDirectInputDevice8W* device;
DWORD index;
GUID guid;
} _GLFWjoystickWin32;
void _glfwInitJoysticksWin32(void);
void _glfwTerminateJoysticksWin32(void);
void _glfwDetectJoystickConnectionWin32(void);
void _glfwDetectJoystickDisconnectionWin32(void);
#endif // _glfw3_win32_joystick_h_

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//========================================================================
// GLFW 3.2 Win32 - www.glfw.org
//------------------------------------------------------------------------
// Copyright (c) 2002-2006 Marcus Geelnard
// Copyright (c) 2006-2016 Camilla Berglund <elmindreda@glfw.org>
//
// This software is provided 'as-is', without any express or implied
// warranty. In no event will the authors be held liable for any damages
// arising from the use of this software.
//
// Permission is granted to anyone to use this software for any purpose,
// including commercial applications, and to alter it and redistribute it
// freely, subject to the following restrictions:
//
// 1. The origin of this software must not be misrepresented; you must not
// claim that you wrote the original software. If you use this software
// in a product, an acknowledgment in the product documentation would
// be appreciated but is not required.
//
// 2. Altered source versions must be plainly marked as such, and must not
// be misrepresented as being the original software.
//
// 3. This notice may not be removed or altered from any source
// distribution.
//
//========================================================================
#include "internal.h"
#include <stdlib.h>
#include <string.h>
#include <limits.h>
#include <malloc.h>
// Create monitor from an adapter and (optionally) a display
//
static _GLFWmonitor* createMonitor(DISPLAY_DEVICEW* adapter,
DISPLAY_DEVICEW* display)
{
_GLFWmonitor* monitor;
char* name;
HDC dc;
if (display)
name = _glfwCreateUTF8FromWideStringWin32(display->DeviceString);
else
name = _glfwCreateUTF8FromWideStringWin32(adapter->DeviceString);
if (!name)
{
_glfwInputError(GLFW_PLATFORM_ERROR,
"Win32: Failed to convert string to UTF-8");
return NULL;
}
dc = CreateDCW(L"DISPLAY", adapter->DeviceName, NULL, NULL);
monitor = _glfwAllocMonitor(name,
GetDeviceCaps(dc, HORZSIZE),
GetDeviceCaps(dc, VERTSIZE));
DeleteDC(dc);
free(name);
if (adapter->StateFlags & DISPLAY_DEVICE_MODESPRUNED)
monitor->win32.modesPruned = GLFW_TRUE;
wcscpy(monitor->win32.adapterName, adapter->DeviceName);
WideCharToMultiByte(CP_UTF8, 0,
adapter->DeviceName, -1,
monitor->win32.publicAdapterName,
sizeof(monitor->win32.publicAdapterName),
NULL, NULL);
if (display)
{
wcscpy(monitor->win32.displayName, display->DeviceName);
WideCharToMultiByte(CP_UTF8, 0,
display->DeviceName, -1,
monitor->win32.publicDisplayName,
sizeof(monitor->win32.publicDisplayName),
NULL, NULL);
}
return monitor;
}
//////////////////////////////////////////////////////////////////////////
////// GLFW internal API //////
//////////////////////////////////////////////////////////////////////////
// Change the current video mode
//
GLFWbool _glfwSetVideoModeWin32(_GLFWmonitor* monitor, const GLFWvidmode* desired)
{
GLFWvidmode current;
const GLFWvidmode* best;
DEVMODEW dm;
best = _glfwChooseVideoMode(monitor, desired);
_glfwPlatformGetVideoMode(monitor, &current);
if (_glfwCompareVideoModes(&current, best) == 0)
return GLFW_TRUE;
ZeroMemory(&dm, sizeof(dm));
dm.dmSize = sizeof(DEVMODEW);
dm.dmFields = DM_PELSWIDTH | DM_PELSHEIGHT | DM_BITSPERPEL |
DM_DISPLAYFREQUENCY;
dm.dmPelsWidth = best->width;
dm.dmPelsHeight = best->height;
dm.dmBitsPerPel = best->redBits + best->greenBits + best->blueBits;
dm.dmDisplayFrequency = best->refreshRate;
if (dm.dmBitsPerPel < 15 || dm.dmBitsPerPel >= 24)
dm.dmBitsPerPel = 32;
if (ChangeDisplaySettingsExW(monitor->win32.adapterName,
&dm,
NULL,
CDS_FULLSCREEN,
NULL) != DISP_CHANGE_SUCCESSFUL)
{
_glfwInputError(GLFW_PLATFORM_ERROR, "Win32: Failed to set video mode");
return GLFW_FALSE;
}
monitor->win32.modeChanged = GLFW_TRUE;
return GLFW_TRUE;
}
// Restore the previously saved (original) video mode
//
void _glfwRestoreVideoModeWin32(_GLFWmonitor* monitor)
{
if (monitor->win32.modeChanged)
{
ChangeDisplaySettingsExW(monitor->win32.adapterName,
NULL, NULL, CDS_FULLSCREEN, NULL);
monitor->win32.modeChanged = GLFW_FALSE;
}
}
//////////////////////////////////////////////////////////////////////////
////// GLFW platform API //////
//////////////////////////////////////////////////////////////////////////
_GLFWmonitor** _glfwPlatformGetMonitors(int* count)
{
int found = 0;
DWORD adapterIndex, displayIndex, primaryIndex = 0;
DISPLAY_DEVICEW adapter, display;
GLFWbool hasDisplays = GLFW_FALSE;
_GLFWmonitor** monitors = NULL;
*count = 0;
// HACK: Check if any active adapters have connected displays
// If not, this is a headless system or a VMware guest
for (adapterIndex = 0; ; adapterIndex++)
{
ZeroMemory(&adapter, sizeof(DISPLAY_DEVICEW));
adapter.cb = sizeof(DISPLAY_DEVICEW);
if (!EnumDisplayDevicesW(NULL, adapterIndex, &adapter, 0))
break;
if (!(adapter.StateFlags & DISPLAY_DEVICE_ACTIVE))
continue;
ZeroMemory(&display, sizeof(DISPLAY_DEVICEW));
display.cb = sizeof(DISPLAY_DEVICEW);
if (EnumDisplayDevicesW(adapter.DeviceName, 0, &display, 0))
{
hasDisplays = GLFW_TRUE;
break;
}
}
for (adapterIndex = 0; ; adapterIndex++)
{
ZeroMemory(&adapter, sizeof(DISPLAY_DEVICEW));
adapter.cb = sizeof(DISPLAY_DEVICEW);
if (!EnumDisplayDevicesW(NULL, adapterIndex, &adapter, 0))
break;
if (!(adapter.StateFlags & DISPLAY_DEVICE_ACTIVE))
continue;
if (adapter.StateFlags & DISPLAY_DEVICE_PRIMARY_DEVICE)
primaryIndex = found;
if (hasDisplays)
{
for (displayIndex = 0; ; displayIndex++)
{
ZeroMemory(&display, sizeof(DISPLAY_DEVICEW));
display.cb = sizeof(DISPLAY_DEVICEW);
if (!EnumDisplayDevicesW(adapter.DeviceName, displayIndex, &display, 0))
break;
found++;
monitors = realloc(monitors, sizeof(_GLFWmonitor*) * found);
monitors[found - 1] = createMonitor(&adapter, &display);
}
}
else
{
found++;
monitors = realloc(monitors, sizeof(_GLFWmonitor*) * found);
monitors[found - 1] = createMonitor(&adapter, NULL);
}
}
_GLFW_SWAP_POINTERS(monitors[0], monitors[primaryIndex]);
*count = found;
return monitors;
}
GLFWbool _glfwPlatformIsSameMonitor(_GLFWmonitor* first, _GLFWmonitor* second)
{
if (wcslen(first->win32.displayName))
return wcscmp(first->win32.displayName, second->win32.displayName) == 0;
else
return wcscmp(first->win32.adapterName, second->win32.adapterName) == 0;
}
void _glfwPlatformGetMonitorPos(_GLFWmonitor* monitor, int* xpos, int* ypos)
{
DEVMODEW settings;
ZeroMemory(&settings, sizeof(DEVMODEW));
settings.dmSize = sizeof(DEVMODEW);
EnumDisplaySettingsExW(monitor->win32.adapterName,
ENUM_CURRENT_SETTINGS,
&settings,
EDS_ROTATEDMODE);
if (xpos)
*xpos = settings.dmPosition.x;
if (ypos)
*ypos = settings.dmPosition.y;
}
GLFWvidmode* _glfwPlatformGetVideoModes(_GLFWmonitor* monitor, int* count)
{
int modeIndex = 0, size = 0;
GLFWvidmode* result = NULL;
*count = 0;
for (;;)
{
int i;
GLFWvidmode mode;
DEVMODEW dm;
ZeroMemory(&dm, sizeof(DEVMODEW));
dm.dmSize = sizeof(DEVMODEW);
if (!EnumDisplaySettingsW(monitor->win32.adapterName, modeIndex, &dm))
break;
modeIndex++;
// Skip modes with less than 15 BPP
if (dm.dmBitsPerPel < 15)
continue;
mode.width = dm.dmPelsWidth;
mode.height = dm.dmPelsHeight;
mode.refreshRate = dm.dmDisplayFrequency;
_glfwSplitBPP(dm.dmBitsPerPel,
&mode.redBits,
&mode.greenBits,
&mode.blueBits);
for (i = 0; i < *count; i++)
{
if (_glfwCompareVideoModes(result + i, &mode) == 0)
break;
}
// Skip duplicate modes
if (i < *count)
continue;
if (monitor->win32.modesPruned)
{
// Skip modes not supported by the connected displays
if (ChangeDisplaySettingsExW(monitor->win32.adapterName,
&dm,
NULL,
CDS_TEST,
NULL) != DISP_CHANGE_SUCCESSFUL)
{
continue;
}
}
if (*count == size)
{
size += 128;
result = (GLFWvidmode*) realloc(result, size * sizeof(GLFWvidmode));
}
(*count)++;
result[*count - 1] = mode;
}
if (!*count)
{
// HACK: Report the current mode if no valid modes were found
result = calloc(1, sizeof(GLFWvidmode));
_glfwPlatformGetVideoMode(monitor, result);
*count = 1;
}
return result;
}
void _glfwPlatformGetVideoMode(_GLFWmonitor* monitor, GLFWvidmode* mode)
{
DEVMODEW dm;
ZeroMemory(&dm, sizeof(DEVMODEW));
dm.dmSize = sizeof(DEVMODEW);
EnumDisplaySettingsW(monitor->win32.adapterName, ENUM_CURRENT_SETTINGS, &dm);
mode->width = dm.dmPelsWidth;
mode->height = dm.dmPelsHeight;
mode->refreshRate = dm.dmDisplayFrequency;
_glfwSplitBPP(dm.dmBitsPerPel,
&mode->redBits,
&mode->greenBits,
&mode->blueBits);
}
void _glfwPlatformGetGammaRamp(_GLFWmonitor* monitor, GLFWgammaramp* ramp)
{
HDC dc;
WORD values[768];
dc = CreateDCW(L"DISPLAY", monitor->win32.adapterName, NULL, NULL);
GetDeviceGammaRamp(dc, values);
DeleteDC(dc);
_glfwAllocGammaArrays(ramp, 256);
memcpy(ramp->red, values + 0, 256 * sizeof(unsigned short));
memcpy(ramp->green, values + 256, 256 * sizeof(unsigned short));
memcpy(ramp->blue, values + 512, 256 * sizeof(unsigned short));
}
void _glfwPlatformSetGammaRamp(_GLFWmonitor* monitor, const GLFWgammaramp* ramp)
{
HDC dc;
WORD values[768];
if (ramp->size != 256)
{
_glfwInputError(GLFW_PLATFORM_ERROR,
"Win32: Gamma ramp size must be 256");
return;
}
memcpy(values + 0, ramp->red, 256 * sizeof(unsigned short));
memcpy(values + 256, ramp->green, 256 * sizeof(unsigned short));
memcpy(values + 512, ramp->blue, 256 * sizeof(unsigned short));
dc = CreateDCW(L"DISPLAY", monitor->win32.adapterName, NULL, NULL);
SetDeviceGammaRamp(dc, values);
DeleteDC(dc);
}
//////////////////////////////////////////////////////////////////////////
////// GLFW native API //////
//////////////////////////////////////////////////////////////////////////
GLFWAPI const char* glfwGetWin32Adapter(GLFWmonitor* handle)
{
_GLFWmonitor* monitor = (_GLFWmonitor*) handle;
_GLFW_REQUIRE_INIT_OR_RETURN(NULL);
return monitor->win32.publicAdapterName;
}
GLFWAPI const char* glfwGetWin32Monitor(GLFWmonitor* handle)
{
_GLFWmonitor* monitor = (_GLFWmonitor*) handle;
_GLFW_REQUIRE_INIT_OR_RETURN(NULL);
return monitor->win32.publicDisplayName;
}

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//========================================================================
// GLFW 3.2 Win32 - www.glfw.org
//------------------------------------------------------------------------
// Copyright (c) 2002-2006 Marcus Geelnard
// Copyright (c) 2006-2016 Camilla Berglund <elmindreda@glfw.org>
//
// This software is provided 'as-is', without any express or implied
// warranty. In no event will the authors be held liable for any damages
// arising from the use of this software.
//
// Permission is granted to anyone to use this software for any purpose,
// including commercial applications, and to alter it and redistribute it
// freely, subject to the following restrictions:
//
// 1. The origin of this software must not be misrepresented; you must not
// claim that you wrote the original software. If you use this software
// in a product, an acknowledgment in the product documentation would
// be appreciated but is not required.
//
// 2. Altered source versions must be plainly marked as such, and must not
// be misrepresented as being the original software.
//
// 3. This notice may not be removed or altered from any source
// distribution.
//
//========================================================================
#ifndef _glfw3_win32_platform_h_
#define _glfw3_win32_platform_h_
// We don't need all the fancy stuff
#ifndef NOMINMAX
#define NOMINMAX
#endif
#ifndef VC_EXTRALEAN
#define VC_EXTRALEAN
#endif
#ifndef WIN32_LEAN_AND_MEAN
#define WIN32_LEAN_AND_MEAN
#endif
// This is a workaround for the fact that glfw3.h needs to export APIENTRY (for
// example to allow applications to correctly declare a GL_ARB_debug_output
// callback) but windows.h assumes no one will define APIENTRY before it does
#undef APIENTRY
// GLFW on Windows is Unicode only and does not work in MBCS mode
#ifndef UNICODE
#define UNICODE
#endif
// GLFW requires Windows XP or later
#if WINVER < 0x0501
#undef WINVER
#define WINVER 0x0501
#endif
#if _WIN32_WINNT < 0x0501
#undef _WIN32_WINNT
#define _WIN32_WINNT 0x0501
#endif
// GLFW uses DirectInput8 interfaces
#define DIRECTINPUT_VERSION 0x0800
#include <wctype.h>
#include <windows.h>
#include <mmsystem.h>
#include <dinput.h>
#include <xinput.h>
#include <dbt.h>
#if defined(_MSC_VER)
#include <malloc.h>
#define strdup _strdup
#endif
// HACK: Define macros that some windows.h variants don't
#ifndef WM_MOUSEHWHEEL
#define WM_MOUSEHWHEEL 0x020E
#endif
#ifndef WM_DWMCOMPOSITIONCHANGED
#define WM_DWMCOMPOSITIONCHANGED 0x031E
#endif
#ifndef WM_COPYGLOBALDATA
#define WM_COPYGLOBALDATA 0x0049
#endif
#ifndef WM_UNICHAR
#define WM_UNICHAR 0x0109
#endif
#ifndef UNICODE_NOCHAR
#define UNICODE_NOCHAR 0xFFFF
#endif
#ifndef WM_DPICHANGED
#define WM_DPICHANGED 0x02E0
#endif
#ifndef GET_XBUTTON_WPARAM
#define GET_XBUTTON_WPARAM(w) (HIWORD(w))
#endif
#ifndef EDS_ROTATEDMODE
#define EDS_ROTATEDMODE 0x00000004
#endif
#ifndef DISPLAY_DEVICE_ACTIVE
#define DISPLAY_DEVICE_ACTIVE 0x00000001
#endif
#if WINVER < 0x0601
typedef struct tagCHANGEFILTERSTRUCT
{
DWORD cbSize;
DWORD ExtStatus;
} CHANGEFILTERSTRUCT, *PCHANGEFILTERSTRUCT;
#ifndef MSGFLT_ALLOW
#define MSGFLT_ALLOW 1
#endif
#endif /*Windows 7*/
#ifndef DPI_ENUMS_DECLARED
typedef enum PROCESS_DPI_AWARENESS
{
PROCESS_DPI_UNAWARE = 0,
PROCESS_SYSTEM_DPI_AWARE = 1,
PROCESS_PER_MONITOR_DPI_AWARE = 2
} PROCESS_DPI_AWARENESS;
#endif /*DPI_ENUMS_DECLARED*/
// HACK: Define macros that some xinput.h variants don't
#ifndef XINPUT_CAPS_WIRELESS
#define XINPUT_CAPS_WIRELESS 0x0002
#endif
#ifndef XINPUT_DEVSUBTYPE_WHEEL
#define XINPUT_DEVSUBTYPE_WHEEL 0x02
#endif
#ifndef XINPUT_DEVSUBTYPE_ARCADE_STICK
#define XINPUT_DEVSUBTYPE_ARCADE_STICK 0x03
#endif
#ifndef XINPUT_DEVSUBTYPE_FLIGHT_STICK
#define XINPUT_DEVSUBTYPE_FLIGHT_STICK 0x04
#endif
#ifndef XINPUT_DEVSUBTYPE_DANCE_PAD
#define XINPUT_DEVSUBTYPE_DANCE_PAD 0x05
#endif
#ifndef XINPUT_DEVSUBTYPE_GUITAR
#define XINPUT_DEVSUBTYPE_GUITAR 0x06
#endif
#ifndef XINPUT_DEVSUBTYPE_DRUM_KIT
#define XINPUT_DEVSUBTYPE_DRUM_KIT 0x08
#endif
#ifndef XINPUT_DEVSUBTYPE_ARCADE_PAD
#define XINPUT_DEVSUBTYPE_ARCADE_PAD 0x13
#endif
#ifndef XUSER_MAX_COUNT
#define XUSER_MAX_COUNT 4
#endif
// HACK: Define macros that some dinput.h variants don't
#ifndef DIDFT_OPTIONAL
#define DIDFT_OPTIONAL 0x80000000
#endif
// winmm.dll function pointer typedefs
typedef DWORD (WINAPI * TIMEGETTIME_T)(void);
#define _glfw_timeGetTime _glfw.win32.winmm.timeGetTime
// xinput.dll function pointer typedefs
typedef DWORD (WINAPI * XINPUTGETCAPABILITIES_T)(DWORD,DWORD,XINPUT_CAPABILITIES*);
typedef DWORD (WINAPI * XINPUTGETSTATE_T)(DWORD,XINPUT_STATE*);
#define _glfw_XInputGetCapabilities _glfw.win32.xinput.XInputGetCapabilities
#define _glfw_XInputGetState _glfw.win32.xinput.XInputGetState
// dinput8.dll function pointer typedefs
typedef HRESULT (WINAPI * DIRECTINPUT8CREATE_T)(HINSTANCE,DWORD,REFIID,LPVOID*,LPUNKNOWN);
#define _glfw_DirectInput8Create _glfw.win32.dinput8.DirectInput8Create
// user32.dll function pointer typedefs
typedef BOOL (WINAPI * SETPROCESSDPIAWARE_T)(void);
typedef BOOL (WINAPI * CHANGEWINDOWMESSAGEFILTEREX_T)(HWND,UINT,DWORD,PCHANGEFILTERSTRUCT);
#define _glfw_SetProcessDPIAware _glfw.win32.user32.SetProcessDPIAware
#define _glfw_ChangeWindowMessageFilterEx _glfw.win32.user32.ChangeWindowMessageFilterEx
// dwmapi.dll function pointer typedefs
typedef HRESULT (WINAPI * DWMISCOMPOSITIONENABLED_T)(BOOL*);
typedef HRESULT (WINAPI * DWMFLUSH_T)(VOID);
#define _glfw_DwmIsCompositionEnabled _glfw.win32.dwmapi.DwmIsCompositionEnabled
#define _glfw_DwmFlush _glfw.win32.dwmapi.DwmFlush
// shcore.dll function pointer typedefs
typedef HRESULT (WINAPI * SETPROCESSDPIAWARENESS_T)(PROCESS_DPI_AWARENESS);
#define _glfw_SetProcessDpiAwareness _glfw.win32.shcore.SetProcessDpiAwareness
typedef VkFlags VkWin32SurfaceCreateFlagsKHR;
typedef struct VkWin32SurfaceCreateInfoKHR
{
VkStructureType sType;
const void* pNext;
VkWin32SurfaceCreateFlagsKHR flags;
HINSTANCE hinstance;
HWND hwnd;
} VkWin32SurfaceCreateInfoKHR;
typedef VkResult (APIENTRY *PFN_vkCreateWin32SurfaceKHR)(VkInstance,const VkWin32SurfaceCreateInfoKHR*,const VkAllocationCallbacks*,VkSurfaceKHR*);
typedef VkBool32 (APIENTRY *PFN_vkGetPhysicalDeviceWin32PresentationSupportKHR)(VkPhysicalDevice,uint32_t);
#include "win32_joystick.h"
#include "wgl_context.h"
#include "egl_context.h"
#define _GLFW_WNDCLASSNAME L"GLFW30"
#define _glfw_dlopen(name) LoadLibraryA(name)
#define _glfw_dlclose(handle) FreeLibrary((HMODULE) handle)
#define _glfw_dlsym(handle, name) GetProcAddress((HMODULE) handle, name)
#define _GLFW_EGL_NATIVE_WINDOW ((EGLNativeWindowType) window->win32.handle)
#define _GLFW_EGL_NATIVE_DISPLAY EGL_DEFAULT_DISPLAY
#define _GLFW_PLATFORM_WINDOW_STATE _GLFWwindowWin32 win32
#define _GLFW_PLATFORM_LIBRARY_WINDOW_STATE _GLFWlibraryWin32 win32
#define _GLFW_PLATFORM_LIBRARY_TIME_STATE _GLFWtimeWin32 win32_time
#define _GLFW_PLATFORM_LIBRARY_TLS_STATE _GLFWtlsWin32 win32_tls
#define _GLFW_PLATFORM_MONITOR_STATE _GLFWmonitorWin32 win32
#define _GLFW_PLATFORM_CURSOR_STATE _GLFWcursorWin32 win32
// Win32-specific per-window data
//
typedef struct _GLFWwindowWin32
{
HWND handle;
HICON bigIcon;
HICON smallIcon;
GLFWbool cursorTracked;
GLFWbool iconified;
// The last received cursor position, regardless of source
int lastCursorPosX, lastCursorPosY;
} _GLFWwindowWin32;
// Win32-specific global data
//
typedef struct _GLFWlibraryWin32
{
HWND helperWindowHandle;
DWORD foregroundLockTimeout;
char* clipboardString;
char keyName[64];
short int publicKeys[512];
short int nativeKeys[GLFW_KEY_LAST + 1];
// Where to place the cursor when re-enabled
double restoreCursorPosX, restoreCursorPosY;
// The window whose disabled cursor mode is active
_GLFWwindow* disabledCursorWindow;
struct {
HINSTANCE instance;
TIMEGETTIME_T timeGetTime;
} winmm;
struct {
HINSTANCE instance;
DIRECTINPUT8CREATE_T DirectInput8Create;
IDirectInput8W* api;
} dinput8;
struct {
HINSTANCE instance;
XINPUTGETCAPABILITIES_T XInputGetCapabilities;
XINPUTGETSTATE_T XInputGetState;
} xinput;
struct {
HINSTANCE instance;
SETPROCESSDPIAWARE_T SetProcessDPIAware;
CHANGEWINDOWMESSAGEFILTEREX_T ChangeWindowMessageFilterEx;
} user32;
struct {
HINSTANCE instance;
DWMISCOMPOSITIONENABLED_T DwmIsCompositionEnabled;
DWMFLUSH_T DwmFlush;
} dwmapi;
struct {
HINSTANCE instance;
SETPROCESSDPIAWARENESS_T SetProcessDpiAwareness;
} shcore;
} _GLFWlibraryWin32;
// Win32-specific per-monitor data
//
typedef struct _GLFWmonitorWin32
{
// This size matches the static size of DISPLAY_DEVICE.DeviceName
WCHAR adapterName[32];
WCHAR displayName[32];
char publicAdapterName[64];
char publicDisplayName[64];
GLFWbool modesPruned;
GLFWbool modeChanged;
} _GLFWmonitorWin32;
// Win32-specific per-cursor data
//
typedef struct _GLFWcursorWin32
{
HCURSOR handle;
} _GLFWcursorWin32;
// Win32-specific global timer data
//
typedef struct _GLFWtimeWin32
{
GLFWbool hasPC;
uint64_t frequency;
} _GLFWtimeWin32;
// Win32-specific global TLS data
//
typedef struct _GLFWtlsWin32
{
GLFWbool allocated;
DWORD context;
} _GLFWtlsWin32;
GLFWbool _glfwRegisterWindowClassWin32(void);
void _glfwUnregisterWindowClassWin32(void);
GLFWbool _glfwInitThreadLocalStorageWin32(void);
void _glfwTerminateThreadLocalStorageWin32(void);
WCHAR* _glfwCreateWideStringFromUTF8Win32(const char* source);
char* _glfwCreateUTF8FromWideStringWin32(const WCHAR* source);
void _glfwInitTimerWin32(void);
GLFWbool _glfwSetVideoModeWin32(_GLFWmonitor* monitor, const GLFWvidmode* desired);
void _glfwRestoreVideoModeWin32(_GLFWmonitor* monitor);
#endif // _glfw3_win32_platform_h_

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//========================================================================
// GLFW 3.2 Win32 - www.glfw.org
//------------------------------------------------------------------------
// Copyright (c) 2002-2006 Marcus Geelnard
// Copyright (c) 2006-2016 Camilla Berglund <elmindreda@glfw.org>
//
// This software is provided 'as-is', without any express or implied
// warranty. In no event will the authors be held liable for any damages
// arising from the use of this software.
//
// Permission is granted to anyone to use this software for any purpose,
// including commercial applications, and to alter it and redistribute it
// freely, subject to the following restrictions:
//
// 1. The origin of this software must not be misrepresented; you must not
// claim that you wrote the original software. If you use this software
// in a product, an acknowledgment in the product documentation would
// be appreciated but is not required.
//
// 2. Altered source versions must be plainly marked as such, and must not
// be misrepresented as being the original software.
//
// 3. This notice may not be removed or altered from any source
// distribution.
//
//========================================================================
#include "internal.h"
//////////////////////////////////////////////////////////////////////////
////// GLFW internal API //////
//////////////////////////////////////////////////////////////////////////
// Initialise timer
//
void _glfwInitTimerWin32(void)
{
uint64_t frequency;
if (QueryPerformanceFrequency((LARGE_INTEGER*) &frequency))
{
_glfw.win32_time.hasPC = GLFW_TRUE;
_glfw.win32_time.frequency = frequency;
}
else
{
_glfw.win32_time.hasPC = GLFW_FALSE;
_glfw.win32_time.frequency = 1000;
}
}
//////////////////////////////////////////////////////////////////////////
////// GLFW platform API //////
//////////////////////////////////////////////////////////////////////////
uint64_t _glfwPlatformGetTimerValue(void)
{
if (_glfw.win32_time.hasPC)
{
uint64_t value;
QueryPerformanceCounter((LARGE_INTEGER*) &value);
return value;
}
else
return (uint64_t) _glfw_timeGetTime();
}
uint64_t _glfwPlatformGetTimerFrequency(void)
{
return _glfw.win32_time.frequency;
}

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//========================================================================
// GLFW 3.2 Win32 - www.glfw.org
//------------------------------------------------------------------------
// Copyright (c) 2002-2006 Marcus Geelnard
// Copyright (c) 2006-2016 Camilla Berglund <elmindreda@glfw.org>
//
// This software is provided 'as-is', without any express or implied
// warranty. In no event will the authors be held liable for any damages
// arising from the use of this software.
//
// Permission is granted to anyone to use this software for any purpose,
// including commercial applications, and to alter it and redistribute it
// freely, subject to the following restrictions:
//
// 1. The origin of this software must not be misrepresented; you must not
// claim that you wrote the original software. If you use this software
// in a product, an acknowledgment in the product documentation would
// be appreciated but is not required.
//
// 2. Altered source versions must be plainly marked as such, and must not
// be misrepresented as being the original software.
//
// 3. This notice may not be removed or altered from any source
// distribution.
//
//========================================================================
#include "internal.h"
//////////////////////////////////////////////////////////////////////////
////// GLFW internal API //////
//////////////////////////////////////////////////////////////////////////
GLFWbool _glfwInitThreadLocalStorageWin32(void)
{
_glfw.win32_tls.context = TlsAlloc();
if (_glfw.win32_tls.context == TLS_OUT_OF_INDEXES)
{
_glfwInputError(GLFW_PLATFORM_ERROR,
"Win32: Failed to allocate TLS index");
return GLFW_FALSE;
}
_glfw.win32_tls.allocated = GLFW_TRUE;
return GLFW_TRUE;
}
void _glfwTerminateThreadLocalStorageWin32(void)
{
if (_glfw.win32_tls.allocated)
TlsFree(_glfw.win32_tls.context);
}
//////////////////////////////////////////////////////////////////////////
////// GLFW platform API //////
//////////////////////////////////////////////////////////////////////////
void _glfwPlatformSetCurrentContext(_GLFWwindow* context)
{
TlsSetValue(_glfw.win32_tls.context, context);
}
_GLFWwindow* _glfwPlatformGetCurrentContext(void)
{
return TlsGetValue(_glfw.win32_tls.context);
}

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//========================================================================
// GLFW 3.2 - www.glfw.org
//------------------------------------------------------------------------
// Copyright (c) 2002-2006 Marcus Geelnard
// Copyright (c) 2006-2016 Camilla Berglund <elmindreda@glfw.org>
// Copyright (c) 2012 Torsten Walluhn <tw@mad-cad.net>
//
// This software is provided 'as-is', without any express or implied
// warranty. In no event will the authors be held liable for any damages
// arising from the use of this software.
//
// Permission is granted to anyone to use this software for any purpose,
// including commercial applications, and to alter it and redistribute it
// freely, subject to the following restrictions:
//
// 1. The origin of this software must not be misrepresented; you must not
// claim that you wrote the original software. If you use this software
// in a product, an acknowledgment in the product documentation would
// be appreciated but is not required.
//
// 2. Altered source versions must be plainly marked as such, and must not
// be misrepresented as being the original software.
//
// 3. This notice may not be removed or altered from any source
// distribution.
//
//========================================================================
#include "internal.h"
#include <assert.h>
#include <string.h>
#include <stdlib.h>
#include <float.h>
//////////////////////////////////////////////////////////////////////////
////// GLFW event API //////
//////////////////////////////////////////////////////////////////////////
void _glfwInputWindowFocus(_GLFWwindow* window, GLFWbool focused)
{
if (focused)
{
if (window->callbacks.focus)
window->callbacks.focus((GLFWwindow*) window, focused);
}
else
{
int i;
if (window->callbacks.focus)
window->callbacks.focus((GLFWwindow*) window, focused);
// Release all pressed keyboard keys
for (i = 0; i <= GLFW_KEY_LAST; i++)
{
if (window->keys[i] == GLFW_PRESS)
_glfwInputKey(window, i, 0, GLFW_RELEASE, 0);
}
// Release all pressed mouse buttons
for (i = 0; i <= GLFW_MOUSE_BUTTON_LAST; i++)
{
if (window->mouseButtons[i] == GLFW_PRESS)
_glfwInputMouseClick(window, i, GLFW_RELEASE, 0);
}
}
}
void _glfwInputWindowPos(_GLFWwindow* window, int x, int y)
{
if (window->callbacks.pos)
window->callbacks.pos((GLFWwindow*) window, x, y);
}
void _glfwInputWindowSize(_GLFWwindow* window, int width, int height)
{
if (window->callbacks.size)
window->callbacks.size((GLFWwindow*) window, width, height);
}
void _glfwInputWindowIconify(_GLFWwindow* window, GLFWbool iconified)
{
if (window->callbacks.iconify)
window->callbacks.iconify((GLFWwindow*) window, iconified);
}
void _glfwInputFramebufferSize(_GLFWwindow* window, int width, int height)
{
if (window->callbacks.fbsize)
window->callbacks.fbsize((GLFWwindow*) window, width, height);
}
void _glfwInputWindowDamage(_GLFWwindow* window)
{
if (window->callbacks.refresh)
window->callbacks.refresh((GLFWwindow*) window);
}
void _glfwInputWindowCloseRequest(_GLFWwindow* window)
{
window->closed = GLFW_TRUE;
if (window->callbacks.close)
window->callbacks.close((GLFWwindow*) window);
}
void _glfwInputWindowMonitorChange(_GLFWwindow* window, _GLFWmonitor* monitor)
{
window->monitor = monitor;
}
//////////////////////////////////////////////////////////////////////////
////// GLFW public API //////
//////////////////////////////////////////////////////////////////////////
GLFWAPI GLFWwindow* glfwCreateWindow(int width, int height,
const char* title,
GLFWmonitor* monitor,
GLFWwindow* share)
{
_GLFWfbconfig fbconfig;
_GLFWctxconfig ctxconfig;
_GLFWwndconfig wndconfig;
_GLFWwindow* window;
_GLFWwindow* previous;
assert(title != NULL);
_GLFW_REQUIRE_INIT_OR_RETURN(NULL);
if (width <= 0 || height <= 0)
{
_glfwInputError(GLFW_INVALID_VALUE,
"Invalid window size %ix%i",
width, height);
return NULL;
}
fbconfig = _glfw.hints.framebuffer;
ctxconfig = _glfw.hints.context;
wndconfig = _glfw.hints.window;
wndconfig.width = width;
wndconfig.height = height;
wndconfig.title = title;
ctxconfig.share = (_GLFWwindow*) share;
if (ctxconfig.share)
{
if (ctxconfig.client == GLFW_NO_API ||
ctxconfig.share->context.client == GLFW_NO_API)
{
_glfwInputError(GLFW_NO_WINDOW_CONTEXT, NULL);
return NULL;
}
}
if (!_glfwIsValidContextConfig(&ctxconfig))
return NULL;
window = calloc(1, sizeof(_GLFWwindow));
window->next = _glfw.windowListHead;
_glfw.windowListHead = window;
window->videoMode.width = width;
window->videoMode.height = height;
window->videoMode.redBits = fbconfig.redBits;
window->videoMode.greenBits = fbconfig.greenBits;
window->videoMode.blueBits = fbconfig.blueBits;
window->videoMode.refreshRate = _glfw.hints.refreshRate;
window->monitor = (_GLFWmonitor*) monitor;
window->resizable = wndconfig.resizable;
window->decorated = wndconfig.decorated;
window->autoIconify = wndconfig.autoIconify;
window->floating = wndconfig.floating;
window->cursorMode = GLFW_CURSOR_NORMAL;
window->minwidth = GLFW_DONT_CARE;
window->minheight = GLFW_DONT_CARE;
window->maxwidth = GLFW_DONT_CARE;
window->maxheight = GLFW_DONT_CARE;
window->numer = GLFW_DONT_CARE;
window->denom = GLFW_DONT_CARE;
// Save the currently current context so it can be restored later
previous = _glfwPlatformGetCurrentContext();
if (ctxconfig.client != GLFW_NO_API)
glfwMakeContextCurrent(NULL);
// Open the actual window and create its context
if (!_glfwPlatformCreateWindow(window, &wndconfig, &ctxconfig, &fbconfig))
{
glfwMakeContextCurrent((GLFWwindow*) previous);
glfwDestroyWindow((GLFWwindow*) window);
return NULL;
}
if (ctxconfig.client != GLFW_NO_API)
{
window->context.makeCurrent(window);
// Retrieve the actual (as opposed to requested) context attributes
if (!_glfwRefreshContextAttribs(&ctxconfig))
{
glfwMakeContextCurrent((GLFWwindow*) previous);
glfwDestroyWindow((GLFWwindow*) window);
return NULL;
}
// Restore the previously current context (or NULL)
glfwMakeContextCurrent((GLFWwindow*) previous);
}
if (!window->monitor)
{
if (wndconfig.visible)
{
_glfwPlatformShowWindow(window);
if (wndconfig.focused)
_glfwPlatformFocusWindow(window);
}
}
return (GLFWwindow*) window;
}
void glfwDefaultWindowHints(void)
{
_GLFW_REQUIRE_INIT();
memset(&_glfw.hints, 0, sizeof(_glfw.hints));
// The default is OpenGL with minimum version 1.0
_glfw.hints.context.client = GLFW_OPENGL_API;
_glfw.hints.context.source = GLFW_NATIVE_CONTEXT_API;
_glfw.hints.context.major = 1;
_glfw.hints.context.minor = 0;
// The default is a focused, visible, resizable window with decorations
_glfw.hints.window.resizable = GLFW_TRUE;
_glfw.hints.window.visible = GLFW_TRUE;
_glfw.hints.window.decorated = GLFW_TRUE;
_glfw.hints.window.focused = GLFW_TRUE;
_glfw.hints.window.autoIconify = GLFW_TRUE;
// The default is 24 bits of color, 24 bits of depth and 8 bits of stencil,
// double buffered
_glfw.hints.framebuffer.redBits = 8;
_glfw.hints.framebuffer.greenBits = 8;
_glfw.hints.framebuffer.blueBits = 8;
_glfw.hints.framebuffer.alphaBits = 8;
_glfw.hints.framebuffer.depthBits = 24;
_glfw.hints.framebuffer.stencilBits = 8;
_glfw.hints.framebuffer.doublebuffer = GLFW_TRUE;
// The default is to select the highest available refresh rate
_glfw.hints.refreshRate = GLFW_DONT_CARE;
}
GLFWAPI void glfwWindowHint(int hint, int value)
{
_GLFW_REQUIRE_INIT();
switch (hint)
{
case GLFW_RED_BITS:
_glfw.hints.framebuffer.redBits = value;
break;
case GLFW_GREEN_BITS:
_glfw.hints.framebuffer.greenBits = value;
break;
case GLFW_BLUE_BITS:
_glfw.hints.framebuffer.blueBits = value;
break;
case GLFW_ALPHA_BITS:
_glfw.hints.framebuffer.alphaBits = value;
break;
case GLFW_DEPTH_BITS:
_glfw.hints.framebuffer.depthBits = value;
break;
case GLFW_STENCIL_BITS:
_glfw.hints.framebuffer.stencilBits = value;
break;
case GLFW_ACCUM_RED_BITS:
_glfw.hints.framebuffer.accumRedBits = value;
break;
case GLFW_ACCUM_GREEN_BITS:
_glfw.hints.framebuffer.accumGreenBits = value;
break;
case GLFW_ACCUM_BLUE_BITS:
_glfw.hints.framebuffer.accumBlueBits = value;
break;
case GLFW_ACCUM_ALPHA_BITS:
_glfw.hints.framebuffer.accumAlphaBits = value;
break;
case GLFW_AUX_BUFFERS:
_glfw.hints.framebuffer.auxBuffers = value;
break;
case GLFW_STEREO:
_glfw.hints.framebuffer.stereo = value ? GLFW_TRUE : GLFW_FALSE;
break;
case GLFW_DOUBLEBUFFER:
_glfw.hints.framebuffer.doublebuffer = value ? GLFW_TRUE : GLFW_FALSE;
break;
case GLFW_SAMPLES:
_glfw.hints.framebuffer.samples = value;
break;
case GLFW_SRGB_CAPABLE:
_glfw.hints.framebuffer.sRGB = value ? GLFW_TRUE : GLFW_FALSE;
break;
case GLFW_RESIZABLE:
_glfw.hints.window.resizable = value ? GLFW_TRUE : GLFW_FALSE;
break;
case GLFW_DECORATED:
_glfw.hints.window.decorated = value ? GLFW_TRUE : GLFW_FALSE;
break;
case GLFW_FOCUSED:
_glfw.hints.window.focused = value ? GLFW_TRUE : GLFW_FALSE;
break;
case GLFW_AUTO_ICONIFY:
_glfw.hints.window.autoIconify = value ? GLFW_TRUE : GLFW_FALSE;
break;
case GLFW_FLOATING:
_glfw.hints.window.floating = value ? GLFW_TRUE : GLFW_FALSE;
break;
case GLFW_MAXIMIZED:
_glfw.hints.window.maximized = value ? GLFW_TRUE : GLFW_FALSE;
break;
case GLFW_VISIBLE:
_glfw.hints.window.visible = value ? GLFW_TRUE : GLFW_FALSE;
break;
case GLFW_CLIENT_API:
_glfw.hints.context.client = value;
break;
case GLFW_CONTEXT_CREATION_API:
_glfw.hints.context.source = value;
break;
case GLFW_CONTEXT_VERSION_MAJOR:
_glfw.hints.context.major = value;
break;
case GLFW_CONTEXT_VERSION_MINOR:
_glfw.hints.context.minor = value;
break;
case GLFW_CONTEXT_ROBUSTNESS:
_glfw.hints.context.robustness = value;
break;
case GLFW_OPENGL_FORWARD_COMPAT:
_glfw.hints.context.forward = value ? GLFW_TRUE : GLFW_FALSE;
break;
case GLFW_OPENGL_DEBUG_CONTEXT:
_glfw.hints.context.debug = value ? GLFW_TRUE : GLFW_FALSE;
break;
case GLFW_CONTEXT_NO_ERROR:
_glfw.hints.context.noerror = value ? GLFW_TRUE : GLFW_FALSE;
break;
case GLFW_OPENGL_PROFILE:
_glfw.hints.context.profile = value;
break;
case GLFW_CONTEXT_RELEASE_BEHAVIOR:
_glfw.hints.context.release = value;
break;
case GLFW_REFRESH_RATE:
_glfw.hints.refreshRate = value;
break;
default:
_glfwInputError(GLFW_INVALID_ENUM, "Invalid window hint %i", hint);
break;
}
}
GLFWAPI void glfwDestroyWindow(GLFWwindow* handle)
{
_GLFWwindow* window = (_GLFWwindow*) handle;
_GLFW_REQUIRE_INIT();
// Allow closing of NULL (to match the behavior of free)
if (window == NULL)
return;
// Clear all callbacks to avoid exposing a half torn-down window object
memset(&window->callbacks, 0, sizeof(window->callbacks));
// The window's context must not be current on another thread when the
// window is destroyed
if (window == _glfwPlatformGetCurrentContext())
glfwMakeContextCurrent(NULL);
_glfwPlatformDestroyWindow(window);
// Unlink window from global linked list
{
_GLFWwindow** prev = &_glfw.windowListHead;
while (*prev != window)
prev = &((*prev)->next);
*prev = window->next;
}
free(window);
}
GLFWAPI int glfwWindowShouldClose(GLFWwindow* handle)
{
_GLFWwindow* window = (_GLFWwindow*) handle;
assert(window != NULL);
_GLFW_REQUIRE_INIT_OR_RETURN(0);
return window->closed;
}
GLFWAPI void glfwSetWindowShouldClose(GLFWwindow* handle, int value)
{
_GLFWwindow* window = (_GLFWwindow*) handle;
assert(window != NULL);
_GLFW_REQUIRE_INIT();
window->closed = value;
}
GLFWAPI void glfwSetWindowTitle(GLFWwindow* handle, const char* title)
{
_GLFWwindow* window = (_GLFWwindow*) handle;
assert(window != NULL);
assert(title != NULL);
_GLFW_REQUIRE_INIT();
_glfwPlatformSetWindowTitle(window, title);
}
GLFWAPI void glfwSetWindowIcon(GLFWwindow* handle,
int count, const GLFWimage* images)
{
_GLFWwindow* window = (_GLFWwindow*) handle;
assert(window != NULL);
assert(count >= 0);
assert(count == 0 || images != NULL);
_GLFW_REQUIRE_INIT();
_glfwPlatformSetWindowIcon(window, count, images);
}
GLFWAPI void glfwGetWindowPos(GLFWwindow* handle, int* xpos, int* ypos)
{
_GLFWwindow* window = (_GLFWwindow*) handle;
assert(window != NULL);
if (xpos)
*xpos = 0;
if (ypos)
*ypos = 0;
_GLFW_REQUIRE_INIT();
_glfwPlatformGetWindowPos(window, xpos, ypos);
}
GLFWAPI void glfwSetWindowPos(GLFWwindow* handle, int xpos, int ypos)
{
_GLFWwindow* window = (_GLFWwindow*) handle;
assert(window != NULL);
_GLFW_REQUIRE_INIT();
if (window->monitor)
return;
_glfwPlatformSetWindowPos(window, xpos, ypos);
}
GLFWAPI void glfwGetWindowSize(GLFWwindow* handle, int* width, int* height)
{
_GLFWwindow* window = (_GLFWwindow*) handle;
assert(window != NULL);
if (width)
*width = 0;
if (height)
*height = 0;
_GLFW_REQUIRE_INIT();
_glfwPlatformGetWindowSize(window, width, height);
}
GLFWAPI void glfwSetWindowSize(GLFWwindow* handle, int width, int height)
{
_GLFWwindow* window = (_GLFWwindow*) handle;
assert(window != NULL);
_GLFW_REQUIRE_INIT();
window->videoMode.width = width;
window->videoMode.height = height;
_glfwPlatformSetWindowSize(window, width, height);
}
GLFWAPI void glfwSetWindowSizeLimits(GLFWwindow* handle,
int minwidth, int minheight,
int maxwidth, int maxheight)
{
_GLFWwindow* window = (_GLFWwindow*) handle;
assert(window != NULL);
_GLFW_REQUIRE_INIT();
if (minwidth != GLFW_DONT_CARE && minheight != GLFW_DONT_CARE)
{
if (minwidth < 0 || minheight < 0)
{
_glfwInputError(GLFW_INVALID_VALUE,
"Invalid window minimum size %ix%i",
minwidth, minheight);
return;
}
}
if (maxwidth != GLFW_DONT_CARE && maxheight != GLFW_DONT_CARE)
{
if (maxwidth < 0 || maxheight < 0 ||
maxwidth < minwidth || maxheight < minheight)
{
_glfwInputError(GLFW_INVALID_VALUE,
"Invalid window maximum size %ix%i",
maxwidth, maxheight);
return;
}
}
window->minwidth = minwidth;
window->minheight = minheight;
window->maxwidth = maxwidth;
window->maxheight = maxheight;
if (window->monitor || !window->resizable)
return;
_glfwPlatformSetWindowSizeLimits(window,
minwidth, minheight,
maxwidth, maxheight);
}
GLFWAPI void glfwSetWindowAspectRatio(GLFWwindow* handle, int numer, int denom)
{
_GLFWwindow* window = (_GLFWwindow*) handle;
assert(window != NULL);
_GLFW_REQUIRE_INIT();
if (numer != GLFW_DONT_CARE && denom != GLFW_DONT_CARE)
{
if (numer <= 0 || denom <= 0)
{
_glfwInputError(GLFW_INVALID_VALUE,
"Invalid window aspect ratio %i:%i",
numer, denom);
return;
}
}
window->numer = numer;
window->denom = denom;
if (window->monitor || !window->resizable)
return;
_glfwPlatformSetWindowAspectRatio(window, numer, denom);
}
GLFWAPI void glfwGetFramebufferSize(GLFWwindow* handle, int* width, int* height)
{
_GLFWwindow* window = (_GLFWwindow*) handle;
assert(window != NULL);
if (width)
*width = 0;
if (height)
*height = 0;
_GLFW_REQUIRE_INIT();
_glfwPlatformGetFramebufferSize(window, width, height);
}
GLFWAPI void glfwGetWindowFrameSize(GLFWwindow* handle,
int* left, int* top,
int* right, int* bottom)
{
_GLFWwindow* window = (_GLFWwindow*) handle;
assert(window != NULL);
if (left)
*left = 0;
if (top)
*top = 0;
if (right)
*right = 0;
if (bottom)
*bottom = 0;
_GLFW_REQUIRE_INIT();
_glfwPlatformGetWindowFrameSize(window, left, top, right, bottom);
}
GLFWAPI void glfwIconifyWindow(GLFWwindow* handle)
{
_GLFWwindow* window = (_GLFWwindow*) handle;
assert(window != NULL);
_GLFW_REQUIRE_INIT();
_glfwPlatformIconifyWindow(window);
}
GLFWAPI void glfwRestoreWindow(GLFWwindow* handle)
{
_GLFWwindow* window = (_GLFWwindow*) handle;
assert(window != NULL);
_GLFW_REQUIRE_INIT();
_glfwPlatformRestoreWindow(window);
}
GLFWAPI void glfwMaximizeWindow(GLFWwindow* handle)
{
_GLFWwindow* window = (_GLFWwindow*) handle;
assert(window != NULL);
_GLFW_REQUIRE_INIT();
_glfwPlatformMaximizeWindow(window);
}
GLFWAPI void glfwShowWindow(GLFWwindow* handle)
{
_GLFWwindow* window = (_GLFWwindow*) handle;
assert(window != NULL);
_GLFW_REQUIRE_INIT();
if (window->monitor)
return;
_glfwPlatformShowWindow(window);
_glfwPlatformFocusWindow(window);
}
GLFWAPI void glfwHideWindow(GLFWwindow* handle)
{
_GLFWwindow* window = (_GLFWwindow*) handle;
assert(window != NULL);
_GLFW_REQUIRE_INIT();
if (window->monitor)
return;
_glfwPlatformHideWindow(window);
}
GLFWAPI void glfwFocusWindow(GLFWwindow* handle)
{
_GLFWwindow* window = (_GLFWwindow*) handle;
assert(window != NULL);
_GLFW_REQUIRE_INIT();
_glfwPlatformFocusWindow(window);
}
GLFWAPI int glfwGetWindowAttrib(GLFWwindow* handle, int attrib)
{
_GLFWwindow* window = (_GLFWwindow*) handle;
assert(window != NULL);
_GLFW_REQUIRE_INIT_OR_RETURN(0);
switch (attrib)
{
case GLFW_FOCUSED:
return _glfwPlatformWindowFocused(window);
case GLFW_ICONIFIED:
return _glfwPlatformWindowIconified(window);
case GLFW_VISIBLE:
return _glfwPlatformWindowVisible(window);
case GLFW_MAXIMIZED:
return _glfwPlatformWindowMaximized(window);
case GLFW_RESIZABLE:
return window->resizable;
case GLFW_DECORATED:
return window->decorated;
case GLFW_FLOATING:
return window->floating;
case GLFW_CLIENT_API:
return window->context.client;
case GLFW_CONTEXT_CREATION_API:
return window->context.source;
case GLFW_CONTEXT_VERSION_MAJOR:
return window->context.major;
case GLFW_CONTEXT_VERSION_MINOR:
return window->context.minor;
case GLFW_CONTEXT_REVISION:
return window->context.revision;
case GLFW_CONTEXT_ROBUSTNESS:
return window->context.robustness;
case GLFW_OPENGL_FORWARD_COMPAT:
return window->context.forward;
case GLFW_OPENGL_DEBUG_CONTEXT:
return window->context.debug;
case GLFW_OPENGL_PROFILE:
return window->context.profile;
case GLFW_CONTEXT_RELEASE_BEHAVIOR:
return window->context.release;
case GLFW_CONTEXT_NO_ERROR:
return window->context.noerror;
}
_glfwInputError(GLFW_INVALID_ENUM, "Invalid window attribute %i", attrib);
return 0;
}
GLFWAPI GLFWmonitor* glfwGetWindowMonitor(GLFWwindow* handle)
{
_GLFWwindow* window = (_GLFWwindow*) handle;
assert(window != NULL);
_GLFW_REQUIRE_INIT_OR_RETURN(NULL);
return (GLFWmonitor*) window->monitor;
}
GLFWAPI void glfwSetWindowMonitor(GLFWwindow* wh,
GLFWmonitor* mh,
int xpos, int ypos,
int width, int height,
int refreshRate)
{
_GLFWwindow* window = (_GLFWwindow*) wh;
_GLFWmonitor* monitor = (_GLFWmonitor*) mh;
assert(window != NULL);
_GLFW_REQUIRE_INIT();
if (width <= 0 || height <= 0)
{
_glfwInputError(GLFW_INVALID_VALUE,
"Invalid window size %ix%i",
width, height);
return;
}
if (refreshRate < 0 && refreshRate != GLFW_DONT_CARE)
{
_glfwInputError(GLFW_INVALID_VALUE,
"Invalid refresh rate %i",
refreshRate);
return;
}
window->videoMode.width = width;
window->videoMode.height = height;
window->videoMode.refreshRate = refreshRate;
_glfwPlatformSetWindowMonitor(window, monitor,
xpos, ypos, width, height,
refreshRate);
}
GLFWAPI void glfwSetWindowUserPointer(GLFWwindow* handle, void* pointer)
{
_GLFWwindow* window = (_GLFWwindow*) handle;
assert(window != NULL);
_GLFW_REQUIRE_INIT();
window->userPointer = pointer;
}
GLFWAPI void* glfwGetWindowUserPointer(GLFWwindow* handle)
{
_GLFWwindow* window = (_GLFWwindow*) handle;
assert(window != NULL);
_GLFW_REQUIRE_INIT_OR_RETURN(NULL);
return window->userPointer;
}
GLFWAPI GLFWwindowposfun glfwSetWindowPosCallback(GLFWwindow* handle,
GLFWwindowposfun cbfun)
{
_GLFWwindow* window = (_GLFWwindow*) handle;
assert(window != NULL);
_GLFW_REQUIRE_INIT_OR_RETURN(NULL);
_GLFW_SWAP_POINTERS(window->callbacks.pos, cbfun);
return cbfun;
}
GLFWAPI GLFWwindowsizefun glfwSetWindowSizeCallback(GLFWwindow* handle,
GLFWwindowsizefun cbfun)
{
_GLFWwindow* window = (_GLFWwindow*) handle;
assert(window != NULL);
_GLFW_REQUIRE_INIT_OR_RETURN(NULL);
_GLFW_SWAP_POINTERS(window->callbacks.size, cbfun);
return cbfun;
}
GLFWAPI GLFWwindowclosefun glfwSetWindowCloseCallback(GLFWwindow* handle,
GLFWwindowclosefun cbfun)
{
_GLFWwindow* window = (_GLFWwindow*) handle;
assert(window != NULL);
_GLFW_REQUIRE_INIT_OR_RETURN(NULL);
_GLFW_SWAP_POINTERS(window->callbacks.close, cbfun);
return cbfun;
}
GLFWAPI GLFWwindowrefreshfun glfwSetWindowRefreshCallback(GLFWwindow* handle,
GLFWwindowrefreshfun cbfun)
{
_GLFWwindow* window = (_GLFWwindow*) handle;
assert(window != NULL);
_GLFW_REQUIRE_INIT_OR_RETURN(NULL);
_GLFW_SWAP_POINTERS(window->callbacks.refresh, cbfun);
return cbfun;
}
GLFWAPI GLFWwindowfocusfun glfwSetWindowFocusCallback(GLFWwindow* handle,
GLFWwindowfocusfun cbfun)
{
_GLFWwindow* window = (_GLFWwindow*) handle;
assert(window != NULL);
_GLFW_REQUIRE_INIT_OR_RETURN(NULL);
_GLFW_SWAP_POINTERS(window->callbacks.focus, cbfun);
return cbfun;
}
GLFWAPI GLFWwindowiconifyfun glfwSetWindowIconifyCallback(GLFWwindow* handle,
GLFWwindowiconifyfun cbfun)
{
_GLFWwindow* window = (_GLFWwindow*) handle;
assert(window != NULL);
_GLFW_REQUIRE_INIT_OR_RETURN(NULL);
_GLFW_SWAP_POINTERS(window->callbacks.iconify, cbfun);
return cbfun;
}
GLFWAPI GLFWframebuffersizefun glfwSetFramebufferSizeCallback(GLFWwindow* handle,
GLFWframebuffersizefun cbfun)
{
_GLFWwindow* window = (_GLFWwindow*) handle;
assert(window != NULL);
_GLFW_REQUIRE_INIT_OR_RETURN(NULL);
_GLFW_SWAP_POINTERS(window->callbacks.fbsize, cbfun);
return cbfun;
}
GLFWAPI void glfwPollEvents(void)
{
_GLFW_REQUIRE_INIT();
_glfwPlatformPollEvents();
}
GLFWAPI void glfwWaitEvents(void)
{
_GLFW_REQUIRE_INIT();
if (!_glfw.windowListHead)
return;
_glfwPlatformWaitEvents();
}
GLFWAPI void glfwWaitEventsTimeout(double timeout)
{
_GLFW_REQUIRE_INIT();
if (timeout != timeout || timeout < 0.0 || timeout > DBL_MAX)
{
_glfwInputError(GLFW_INVALID_VALUE, "Invalid time %f", timeout);
return;
}
_glfwPlatformWaitEventsTimeout(timeout);
}
GLFWAPI void glfwPostEmptyEvent(void)
{
_GLFW_REQUIRE_INIT();
if (!_glfw.windowListHead)
return;
_glfwPlatformPostEmptyEvent();
}

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