ebiten/internal/ui/ui_ios.go

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// Copyright 2022 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
// +build ios
package ui
import (
"github.com/hajimehoshi/ebiten/v2/internal/graphicsdriver"
"github.com/hajimehoshi/ebiten/v2/internal/graphicsdriver/metal"
"github.com/hajimehoshi/ebiten/v2/internal/graphicsdriver/opengl"
)
type graphicsDriverGetterImpl struct {
gomobileBuild bool
}
func (g *graphicsDriverGetterImpl) getAuto() graphicsdriver.Graphics {
if m := g.getMetal(); m != nil {
return m
}
return g.getOpenGL()
}
func (*graphicsDriverGetterImpl) getOpenGL() graphicsdriver.Graphics {
if g := opengl.Get(); g != nil {
return g
}
return nil
}
func (*graphicsDriverGetterImpl) getDirectX() graphicsdriver.Graphics {
return nil
}
func (g *graphicsDriverGetterImpl) getMetal() graphicsdriver.Graphics {
// When gomobile-build is used, GL functions must be called via
// gl.Context so that they are called on the appropriate thread.
if g.gomobileBuild {
return nil
}
if m := metal.Get(); m != nil {
return m
}
return nil
}
func SetUIView(uiview uintptr) {
// This function should be called only when the graphics library is Metal.
if g, ok := theUI.graphicsDriver.(interface{ SetUIView(uintptr) }); ok {
g.SetUIView(uiview)
}
}
func IsGL() bool {
return theUI.graphicsDriver.IsGL()
}