mirror of
https://github.com/hajimehoshi/ebiten.git
synced 2024-12-27 04:08:53 +01:00
68 lines
1.9 KiB
Go
68 lines
1.9 KiB
Go
// Copyright 2018 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 !ios && !ebitengl && !ebitencbackend
|
|
// +build !ios,!ebitengl,!ebitencbackend
|
|
|
|
package ui
|
|
|
|
// #cgo CFLAGS: -x objective-c
|
|
// #cgo LDFLAGS: -framework Foundation
|
|
//
|
|
// #import <Foundation/Foundation.h>
|
|
//
|
|
// static int getMacOSMajorVersion() {
|
|
// NSOperatingSystemVersion version = [[NSProcessInfo processInfo] operatingSystemVersion];
|
|
// return (int)version.majorVersion;
|
|
// }
|
|
//
|
|
// static int getMacOSMinorVersion() {
|
|
// NSOperatingSystemVersion version = [[NSProcessInfo processInfo] operatingSystemVersion];
|
|
// return (int)version.minorVersion;
|
|
// }
|
|
import "C"
|
|
|
|
import (
|
|
"sync"
|
|
|
|
"github.com/hajimehoshi/ebiten/v2/internal/graphicsdriver"
|
|
"github.com/hajimehoshi/ebiten/v2/internal/graphicsdriver/metal"
|
|
"github.com/hajimehoshi/ebiten/v2/internal/graphicsdriver/opengl"
|
|
)
|
|
|
|
var theGraphics graphicsdriver.Graphics
|
|
|
|
func supportsMetal() bool {
|
|
// On macOS 10.11 El Capitan, there is a rendering issue on Metal (#781).
|
|
// Use the OpenGL in macOS 10.11 or older.
|
|
if C.getMacOSMajorVersion() <= 10 && C.getMacOSMinorVersion() <= 11 {
|
|
return false
|
|
}
|
|
|
|
return metal.Get() != nil
|
|
}
|
|
|
|
var graphicsOnce sync.Once
|
|
|
|
func graphics() graphicsdriver.Graphics {
|
|
graphicsOnce.Do(func() {
|
|
if supportsMetal() {
|
|
theGraphics = metal.Get()
|
|
return
|
|
}
|
|
theGraphics = opengl.Get()
|
|
})
|
|
return theGraphics
|
|
}
|