mirror of
https://github.com/hajimehoshi/ebiten.git
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72 lines
2.1 KiB
Go
72 lines
2.1 KiB
Go
// Copyright 2019 The Ebiten Authors
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package metal
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// Suppress the warnings about availability guard with -Wno-unguarded-availability-new.
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// It is because old Xcode (8 or older?) does not accept @available syntax.
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// #cgo CFLAGS: -Wno-unguarded-availability-new -x objective-c
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// #cgo LDFLAGS: -framework UIKit -framework QuartzCore -framework Foundation -framework CoreGraphics
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//
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// #import <UIKit/UIKit.h>
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//
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// static void addSublayer(void* view, void* sublayer) {
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// CALayer* layer = ((UIView*)view).layer;
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// [layer addSublayer:(CALayer*)sublayer];
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// }
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//
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// static void setFrame(void* cametal, void* uiview) {
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// __block CGSize size;
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// dispatch_sync(dispatch_get_main_queue(), ^{
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// size = ((UIView*)uiview).frame.size;
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// });
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// ((CALayer*)cametal).frame = CGRectMake(0, 0, size.width, size.height);
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// }
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import "C"
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import (
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"unsafe"
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"github.com/hajimehoshi/ebiten/v2/internal/graphicsdriver/metal/mtl"
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)
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func (v *view) setWindow(window uintptr) {
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panic("metal: setWindow is not available on iOS")
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}
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func (v *view) setUIView(uiview uintptr) {
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v.uiview = uiview
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}
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func (v *view) update() {
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v.once.Do(func() {
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if v.ml.Layer() == nil {
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panic("metal: CAMetalLayer is not initialized yet")
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}
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C.addSublayer(unsafe.Pointer(v.uiview), v.ml.Layer())
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})
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C.setFrame(v.ml.Layer(), unsafe.Pointer(v.uiview))
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}
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const (
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storageMode = mtl.StorageModeShared
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resourceStorageMode = mtl.ResourceStorageModeShared
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)
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func (v *view) maximumDrawableCount() int {
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// TODO: Is 2 available for iOS?
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return 3
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}
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