mirror of
https://github.com/hajimehoshi/ebiten.git
synced 2024-09-20 13:22:19 +02:00
68 lines
2.0 KiB
Go
68 lines
2.0 KiB
Go
// Copyright 2022 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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package ui
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import (
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"fmt"
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"golang.org/x/mobile/gl"
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"github.com/hajimehoshi/ebiten/v2/internal/graphicsdriver"
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"github.com/hajimehoshi/ebiten/v2/internal/graphicsdriver/metal"
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"github.com/hajimehoshi/ebiten/v2/internal/graphicsdriver/opengl"
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)
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type graphicsDriverCreatorImpl struct {
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gomobileContext gl.Context
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}
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func (g *graphicsDriverCreatorImpl) newAuto() (graphicsdriver.Graphics, GraphicsLibrary, error) {
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m, err1 := g.newMetal()
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if err1 == nil {
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return m, GraphicsLibraryMetal, nil
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}
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o, err2 := g.newOpenGL()
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if err2 == nil {
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return o, GraphicsLibraryMetal, nil
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}
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return nil, GraphicsLibraryUnknown, fmt.Errorf("ui: failed to choose graphics drivers: Metal: %v, OpenGL: %v", err1, err2)
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}
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func (g *graphicsDriverCreatorImpl) newOpenGL() (graphicsdriver.Graphics, error) {
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return opengl.NewGraphics(g.gomobileContext)
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}
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func (*graphicsDriverCreatorImpl) newDirectX() (graphicsdriver.Graphics, error) {
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return nil, nil
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}
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func (g *graphicsDriverCreatorImpl) newMetal() (graphicsdriver.Graphics, error) {
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if g.gomobileContext != nil {
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return nil, fmt.Errorf("ui: Metal is not available with gomobile-build")
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}
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return metal.NewGraphics()
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}
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func SetUIView(uiview uintptr) {
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// This function should be called only when the graphics library is Metal.
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if g, ok := theUI.graphicsDriver.(interface{ SetUIView(uintptr) }); ok {
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g.SetUIView(uiview)
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}
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}
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func IsGL() bool {
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return theUI.graphicsDriver.IsGL()
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}
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