mirror of
https://github.com/hajimehoshi/ebiten.git
synced 2024-12-27 04:08:53 +01:00
149 lines
4.1 KiB
Go
149 lines
4.1 KiB
Go
// Copyright 2022 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.
|
|
|
|
package ui
|
|
|
|
// #cgo CFLAGS: -x objective-c
|
|
// #cgo LDFLAGS: -framework Foundation -framework UIKit
|
|
//
|
|
// #import <UIKit/UIKit.h>
|
|
//
|
|
// static void displayInfoOnMainThread(float* width, float* height, float* scale, UIView* view) {
|
|
// *width = 0;
|
|
// *height = 0;
|
|
// *scale = 1;
|
|
// UIWindow* window = view.window;
|
|
// if (!window) {
|
|
// return;
|
|
// }
|
|
// UIWindowScene* scene = window.windowScene;
|
|
// if (!scene) {
|
|
// return;
|
|
// }
|
|
// CGRect bounds = scene.screen.bounds;
|
|
// *width = bounds.size.width;
|
|
// *height = bounds.size.height;
|
|
// *scale = scene.screen.nativeScale;
|
|
// }
|
|
//
|
|
// static void displayInfo(float* width, float* height, float* scale, uintptr_t viewPtr) {
|
|
// *width = 0;
|
|
// *height = 0;
|
|
// *scale = 1;
|
|
// if (!viewPtr) {
|
|
// return;
|
|
// }
|
|
// UIView* view = (__bridge UIView*)(void*)viewPtr;
|
|
// if ([NSThread isMainThread]) {
|
|
// displayInfoOnMainThread(width, height, scale, view);
|
|
// return;
|
|
// }
|
|
// __block float w, h, s;
|
|
// dispatch_sync(dispatch_get_main_queue(), ^{
|
|
// displayInfoOnMainThread(&w, &h, &s, view);
|
|
// });
|
|
// *width = w;
|
|
// *height = h;
|
|
// *scale = s;
|
|
// }
|
|
import "C"
|
|
|
|
import (
|
|
"errors"
|
|
"fmt"
|
|
|
|
"github.com/hajimehoshi/ebiten/v2/internal/graphicsdriver"
|
|
"github.com/hajimehoshi/ebiten/v2/internal/graphicsdriver/metal"
|
|
"github.com/hajimehoshi/ebiten/v2/internal/graphicsdriver/opengl"
|
|
)
|
|
|
|
type graphicsDriverCreatorImpl struct {
|
|
colorSpace graphicsdriver.ColorSpace
|
|
}
|
|
|
|
func (g *graphicsDriverCreatorImpl) newAuto() (graphicsdriver.Graphics, GraphicsLibrary, error) {
|
|
m, err1 := g.newMetal()
|
|
if err1 == nil {
|
|
return m, GraphicsLibraryMetal, nil
|
|
}
|
|
o, err2 := g.newOpenGL()
|
|
if err2 == nil {
|
|
return o, GraphicsLibraryMetal, nil
|
|
}
|
|
return nil, GraphicsLibraryUnknown, fmt.Errorf("ui: failed to choose graphics drivers: Metal: %v, OpenGL: %v", err1, err2)
|
|
}
|
|
|
|
func (g *graphicsDriverCreatorImpl) newOpenGL() (graphicsdriver.Graphics, error) {
|
|
return opengl.NewGraphics()
|
|
}
|
|
|
|
func (*graphicsDriverCreatorImpl) newDirectX() (graphicsdriver.Graphics, error) {
|
|
return nil, errors.New("ui: DirectX is not supported in this environment")
|
|
}
|
|
|
|
func (g *graphicsDriverCreatorImpl) newMetal() (graphicsdriver.Graphics, error) {
|
|
return metal.NewGraphics(g.colorSpace)
|
|
}
|
|
|
|
func (*graphicsDriverCreatorImpl) newPlayStation5() (graphicsdriver.Graphics, error) {
|
|
return nil, errors.New("ui: PlayStation 5 is not supported in this environment")
|
|
}
|
|
|
|
func (u *UserInterface) SetUIView(uiview uintptr) error {
|
|
u.uiView.Store(uiview)
|
|
select {
|
|
case err := <-u.errCh:
|
|
return err
|
|
case <-u.graphicsLibraryInitCh:
|
|
}
|
|
|
|
// This function should be called only when the graphics library is Metal.
|
|
if g, ok := u.graphicsDriver.(interface{ SetUIView(uintptr) }); ok {
|
|
g.SetUIView(uiview)
|
|
}
|
|
return nil
|
|
}
|
|
|
|
func (u *UserInterface) IsGL() (bool, error) {
|
|
select {
|
|
case err := <-u.errCh:
|
|
return false, err
|
|
case <-u.graphicsLibraryInitCh:
|
|
}
|
|
|
|
return u.GraphicsLibrary() == GraphicsLibraryOpenGL, nil
|
|
}
|
|
|
|
func dipToNativePixels(x float64, scale float64) float64 {
|
|
return x
|
|
}
|
|
|
|
func dipFromNativePixels(x float64, scale float64) float64 {
|
|
return x
|
|
}
|
|
|
|
func (u *UserInterface) displayInfo() (int, int, float64, bool) {
|
|
view := u.uiView.Load()
|
|
if view == 0 {
|
|
return 0, 0, 1, false
|
|
}
|
|
|
|
var cWidth, cHeight, cScale C.float
|
|
C.displayInfo(&cWidth, &cHeight, &cScale, C.uintptr_t(view))
|
|
scale := float64(cScale)
|
|
width := int(dipFromNativePixels(float64(cWidth), scale))
|
|
height := int(dipFromNativePixels(float64(cHeight), scale))
|
|
return width, height, scale, true
|
|
}
|