ebiten/internal/uidriver/glfw/graphics_darwin.go
2020-10-04 04:30:40 +09:00

64 lines
1.7 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.
// +build !js
// +build !ebitengl
package glfw
// #cgo CFLAGS: -x objective-c
// #cgo LDFLAGS: -framework Foundation
//
// #import <Foundation/Foundation.h>
//
// static int getMacOSMinorVersion() {
// NSOperatingSystemVersion version = [[NSProcessInfo processInfo] operatingSystemVersion];
// return (int)version.minorVersion;
// }
import "C"
import (
"github.com/hajimehoshi/ebiten/v2/internal/driver"
"github.com/hajimehoshi/ebiten/v2/internal/graphicsdriver/metal"
"github.com/hajimehoshi/ebiten/v2/internal/graphicsdriver/metal/mtl"
"github.com/hajimehoshi/ebiten/v2/internal/graphicsdriver/opengl"
)
var graphics driver.Graphics
func supportsMetal() bool {
// On old mac devices like iMac 2011, Metal is not supported (#779).
if _, err := mtl.CreateSystemDefaultDevice(); err != nil {
return false
}
// 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.getMacOSMinorVersion() <= 11 {
return false
}
return true
}
func init() {
if supportsMetal() {
graphics = metal.Get()
return
}
graphics = opengl.Get()
}
func (*UserInterface) Graphics() driver.Graphics {
return graphics
}