mirror of
https://github.com/hajimehoshi/ebiten.git
synced 2024-12-24 10:48:53 +01:00
70 lines
2.0 KiB
Go
70 lines
2.0 KiB
Go
// Copyright 2018 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 !ios && !ebitengl && !ebitencbackend
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// +build !ios,!ebitengl,!ebitencbackend
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package ui
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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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//
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// static int getMacOSMinorVersion() {
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// NSOperatingSystemVersion version = [[NSProcessInfo processInfo] operatingSystemVersion];
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// return (int)version.minorVersion;
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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/driver"
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"github.com/hajimehoshi/ebiten/v2/internal/graphicsdriver/metal"
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"github.com/hajimehoshi/ebiten/v2/internal/graphicsdriver/metal/mtl"
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"github.com/hajimehoshi/ebiten/v2/internal/graphicsdriver/opengl"
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)
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var graphics driver.Graphics
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func supportsMetal() bool {
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// On old mac devices like iMac 2011, Metal is not supported (#779).
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if _, err := mtl.CreateSystemDefaultDevice(); err != nil {
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return false
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}
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// On macOS 10.11 El Capitan, there is a rendering issue on Metal (#781).
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// Use the OpenGL in macOS 10.11 or older.
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if C.getMacOSMajorVersion() <= 10 && C.getMacOSMinorVersion() <= 11 {
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return false
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}
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return true
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}
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func init() {
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if supportsMetal() {
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graphics = metal.Get()
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return
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}
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graphics = opengl.Get()
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}
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func (*UserInterface) Graphics() driver.Graphics {
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return graphics
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}
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