mirror of
https://github.com/hajimehoshi/ebiten.git
synced 2024-12-25 03:08:54 +01:00
5887142da7
Hajime found that renderings were delayed with 2 drawing in fullscreen though FPS might be lowered. This is mysterious but there is no other good solution. Updates #2883
80 lines
2.2 KiB
Go
80 lines
2.2 KiB
Go
// Copyright 2019 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:build darwin && !ios
|
|
|
|
package metal
|
|
|
|
import (
|
|
"runtime"
|
|
|
|
"github.com/ebitengine/purego/objc"
|
|
|
|
"github.com/hajimehoshi/ebiten/v2/internal/cocoa"
|
|
"github.com/hajimehoshi/ebiten/v2/internal/graphicsdriver/metal/mtl"
|
|
)
|
|
|
|
func (v *view) setWindow(window uintptr) {
|
|
// NSView can be updated e.g., fullscreen-state is switched.
|
|
v.window = window
|
|
v.windowChanged = true
|
|
}
|
|
|
|
func (v *view) setUIView(uiview uintptr) {
|
|
panic("metal: setUIView is not available on macOS")
|
|
}
|
|
|
|
func (v *view) update() {
|
|
v.ml.SetMaximumDrawableCount(v.maximumDrawableCount())
|
|
|
|
if !v.windowChanged {
|
|
return
|
|
}
|
|
|
|
// TODO: Should this be called on the main thread?
|
|
cocoaWindow := cocoa.NSWindow{ID: objc.ID(v.window)}
|
|
cocoaWindow.ContentView().SetLayer(uintptr(v.ml.Layer()))
|
|
cocoaWindow.ContentView().SetWantsLayer(true)
|
|
|
|
v.windowChanged = false
|
|
}
|
|
|
|
const (
|
|
storageMode = mtl.StorageModeManaged
|
|
resourceStorageMode = mtl.ResourceStorageModeManaged
|
|
)
|
|
|
|
func (v *view) maximumDrawableCount() int {
|
|
// Note that the architecture might not be the true reason of the issues (#2880, #2883).
|
|
// Hajime tested only MacBook Pro 2020 (Intel) and MacBook Pro 2023 (M3).
|
|
|
|
// Use 3 for Intel Mac and iOS. With 2, There are some situations that the FPS becomes half, or the FPS becomes too low (#2880).
|
|
if runtime.GOARCH == "amd64" {
|
|
return 3
|
|
}
|
|
|
|
// Use 3 in fullscren.
|
|
// Though this might degrade FPS, this is necessary to avoid mysterious rendering delays.
|
|
if v.isFullscreen() {
|
|
return 3
|
|
}
|
|
|
|
// Use 2 for a Wnidow to avoid mysterious blinking (#2883).
|
|
return 2
|
|
}
|
|
|
|
func (v *view) isFullscreen() bool {
|
|
return cocoa.NSWindow{ID: objc.ID(v.window)}.StyleMask()&cocoa.NSWindowStyleMaskFullScreen != 0
|
|
}
|