mirror of
https://github.com/hajimehoshi/ebiten.git
synced 2024-12-24 02:38:53 +01:00
internal/graphicsdriver/opengl/gl: refactoring
This commit is contained in:
parent
78f8ddbda8
commit
5b96d93d13
@ -1,25 +0,0 @@
|
||||
// SPDX-License-Identifier: MIT
|
||||
// SPDX-FileCopyrightText: 2014 Eric Woroshow
|
||||
|
||||
//go:build !android && !darwin && !js && !windows && !opengles
|
||||
|
||||
package gl
|
||||
|
||||
import (
|
||||
"unsafe"
|
||||
)
|
||||
|
||||
// #include <stdlib.h>
|
||||
import "C"
|
||||
|
||||
// cStr takes a Go string (with or without null-termination)
|
||||
// and returns the C counterpart.
|
||||
//
|
||||
// The returned free function must be called once you are done using the string
|
||||
// in order to free the memory.
|
||||
func cStr(str string) (cstr *byte, free func()) {
|
||||
cs := C.CString(str)
|
||||
return (*byte)(unsafe.Pointer(cs)), func() {
|
||||
C.free(unsafe.Pointer(cs))
|
||||
}
|
||||
}
|
@ -1,26 +0,0 @@
|
||||
// SPDX-License-Identifier: MIT
|
||||
// SPDX-FileCopyrightText: 2014 Eric Woroshow
|
||||
|
||||
//go:build darwin || windows
|
||||
|
||||
package gl
|
||||
|
||||
import (
|
||||
"runtime"
|
||||
)
|
||||
|
||||
// cStr takes a Go string (with or without null-termination)
|
||||
// and returns the C counterpart.
|
||||
//
|
||||
// The returned free function must be called once you are done using the string
|
||||
// in order to free the memory.
|
||||
func cStr(str string) (cstr *byte, free func()) {
|
||||
bs := []byte(str)
|
||||
if len(bs) == 0 || bs[len(bs)-1] != 0 {
|
||||
bs = append(bs, 0)
|
||||
}
|
||||
return &bs[0], func() {
|
||||
runtime.KeepAlive(bs)
|
||||
bs = nil
|
||||
}
|
||||
}
|
@ -5,8 +5,6 @@
|
||||
|
||||
package gl
|
||||
|
||||
// #cgo linux,!nintendosdk freebsd,!nintendosdk openbsd,!nintendosdk pkg-config: gl
|
||||
//
|
||||
// #ifndef APIENTRY
|
||||
// #define APIENTRY
|
||||
// #endif
|
||||
@ -20,6 +18,7 @@ package gl
|
||||
// #endif
|
||||
//
|
||||
// #include <stdint.h>
|
||||
// #include <stdlib.h>
|
||||
//
|
||||
// typedef unsigned int GLenum;
|
||||
// typedef unsigned char GLboolean;
|
||||
@ -416,8 +415,8 @@ func (c *defaultContext) AttachShader(program uint32, shader uint32) {
|
||||
}
|
||||
|
||||
func (c *defaultContext) BindAttribLocation(program uint32, index uint32, name string) {
|
||||
cname, free := cStr(name)
|
||||
defer free()
|
||||
cname := C.CString(name)
|
||||
defer C.free(unsafe.Pointer(cname))
|
||||
C.glowBindAttribLocation(c.gpBindAttribLocation, (C.GLuint)(program), (C.GLuint)(index), (*C.GLchar)(unsafe.Pointer(cname)))
|
||||
}
|
||||
|
||||
@ -604,8 +603,8 @@ func (c *defaultContext) GetShaderiv(dst []int32, shader uint32, pname uint32) {
|
||||
}
|
||||
|
||||
func (c *defaultContext) GetUniformLocation(program uint32, name string) int32 {
|
||||
cname, free := cStr(name)
|
||||
defer free()
|
||||
cname := C.CString(name)
|
||||
defer C.free(unsafe.Pointer(cname))
|
||||
ret := C.glowGetUniformLocation(c.gpGetUniformLocation, (C.GLuint)(program), (*C.GLchar)(unsafe.Pointer(cname)))
|
||||
return int32(ret)
|
||||
}
|
||||
@ -651,8 +650,8 @@ func (c *defaultContext) Scissor(x int32, y int32, width int32, height int32) {
|
||||
}
|
||||
|
||||
func (c *defaultContext) ShaderSource(shader uint32, xstring string) {
|
||||
cstring, free := cStr(xstring)
|
||||
defer free()
|
||||
cstring := C.CString(xstring)
|
||||
defer C.free(unsafe.Pointer(cstring))
|
||||
C.glowShaderSource(c.gpShaderSource, (C.GLuint)(shader), 1, (**C.GLchar)(unsafe.Pointer(&cstring)), nil)
|
||||
}
|
||||
|
||||
|
@ -679,3 +679,19 @@ func (c *defaultContext) Init() error {
|
||||
}
|
||||
return nil
|
||||
}
|
||||
|
||||
// cStr takes a Go string (with or without null-termination)
|
||||
// and returns the C counterpart.
|
||||
//
|
||||
// The returned free function must be called once you are done using the string
|
||||
// in order to free the memory.
|
||||
func cStr(str string) (cstr *byte, free func()) {
|
||||
bs := []byte(str)
|
||||
if len(bs) == 0 || bs[len(bs)-1] != 0 {
|
||||
bs = append(bs, 0)
|
||||
}
|
||||
return &bs[0], func() {
|
||||
runtime.KeepAlive(bs)
|
||||
bs = nil
|
||||
}
|
||||
}
|
||||
|
@ -3,18 +3,6 @@
|
||||
|
||||
//go:build !android && !darwin && !js && !windows && !opengles
|
||||
|
||||
// This file implements GlowGetProcAddress for every supported platform. The
|
||||
// correct version is chosen automatically based on build tags:
|
||||
//
|
||||
// darwin: CGL
|
||||
// linux freebsd openbsd: GLX
|
||||
//
|
||||
// Use of EGL instead of the platform's default (listed above) is made possible
|
||||
// via the "egl" build tag.
|
||||
//
|
||||
// It is also possible to install your own function outside this package for
|
||||
// retrieving OpenGL function pointers, to do this see InitWithProcAddrFunc.
|
||||
|
||||
package gl
|
||||
|
||||
/*
|
||||
@ -24,18 +12,16 @@ package gl
|
||||
#cgo egl,!nintendosdk pkg-config: egl
|
||||
#cgo nintendosdk LDFLAGS: -Wl,-unresolved-symbols=ignore-all
|
||||
|
||||
// Check the EGL tag first as it takes priority over the platform's default
|
||||
// configuration of WGL/GLX/CGL.
|
||||
#if defined(TAG_EGL)
|
||||
#include <stdlib.h>
|
||||
#include <EGL/egl.h>
|
||||
static void* GlowGetProcAddress_gl21(const char* name) {
|
||||
static void* getProcAddress(const char* name) {
|
||||
return eglGetProcAddress(name);
|
||||
}
|
||||
#elif defined(TAG_POSIX)
|
||||
#include <stdlib.h>
|
||||
#include <GL/glx.h>
|
||||
static void* GlowGetProcAddress_gl21(const char* name) {
|
||||
static void* getProcAddress(const char* name) {
|
||||
return glXGetProcAddress((const GLubyte *) name);
|
||||
}
|
||||
#endif
|
||||
@ -47,5 +33,5 @@ import "unsafe"
|
||||
func getProcAddress(namea string) unsafe.Pointer {
|
||||
cname := C.CString(namea)
|
||||
defer C.free(unsafe.Pointer(cname))
|
||||
return C.GlowGetProcAddress_gl21(cname)
|
||||
return C.getProcAddress(cname)
|
||||
}
|
||||
|
Loading…
Reference in New Issue
Block a user