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1dd13ae06e
This fix works only for Metal. There is not a good solution for OpenGL so far unfortunately. Closes #1885
83 lines
2.4 KiB
Go
83 lines
2.4 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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//go:build darwin && !ios
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// +build darwin,!ios
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package metal
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// #cgo CFLAGS: -x objective-c
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// #cgo LDFLAGS: -framework Foundation
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//
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// #import <Foundation/Foundation.h>
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//
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// static int getMacOSMajorVersion() {
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// NSOperatingSystemVersion version = [[NSProcessInfo processInfo] operatingSystemVersion];
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// return (int)version.majorVersion;
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// }
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import "C"
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import (
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"github.com/hajimehoshi/ebiten/v2/internal/graphicsdriver/metal/mtl"
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"github.com/hajimehoshi/ebiten/v2/internal/graphicsdriver/metal/ns"
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)
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var macOSMajorVersion = int(C.getMacOSMajorVersion())
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func (v *view) setWindow(window uintptr) {
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// NSView can be updated e.g., fullscreen-state is switched.
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v.window = window
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v.windowChanged = true
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}
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func (v *view) setUIView(uiview uintptr) {
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panic("metal: setUIView is not available on macOS")
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}
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func (v *view) update() {
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if !v.windowChanged {
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return
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}
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cocoaWindow := ns.NewWindow(v.window)
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cocoaWindow.ContentView().SetLayer(v.ml)
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cocoaWindow.ContentView().SetWantsLayer(true)
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v.windowChanged = false
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}
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func (v *view) usePresentsWithTransaction() bool {
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// On macOS 12 (or later), do not use presentsWithTransaction, or vsync doesn't work (#1885).
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// This works only for Metal. Unfortunately, there is not a good solution for OpenGL.
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if macOSMajorVersion >= 12 {
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return false
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}
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// Disable presentsWithTransaction on the fullscreen mode (#1745).
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return !v.vsyncDisabled
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}
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func (v *view) maximumDrawableCount() int {
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// When presentsWithTransaction is YES and triple buffering is enabled, nextDrawing returns immediately once every two times.
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// This makes FPS doubled. To avoid this, disable the triple buffering.
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if v.usePresentsWithTransaction() {
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return 2
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}
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return 3
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}
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const (
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storageMode = mtl.StorageModeManaged
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resourceStorageMode = mtl.ResourceStorageModeManaged
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)
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