ebiten/internal/processtest/testdata/issue2138.go

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// Copyright 2022 The Ebitengine 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 ignore
// +build ignore
package main
import (
"image"
"image/color"
"math"
"github.com/hajimehoshi/ebiten/v2"
"github.com/hajimehoshi/ebiten/v2/text"
"github.com/hajimehoshi/ebiten/v2/vector"
"golang.org/x/image/font"
"golang.org/x/image/font/gofont/goregular"
"golang.org/x/image/font/opentype"
)
var (
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whiteImage = ebiten.NewImage(3, 3)
debugCircleImage *ebiten.Image
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whiteTextureImage = whiteImage.SubImage(image.Rect(1, 1, 2, 2)).(*ebiten.Image)
face font.Face
)
func init() {
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whiteImage.Fill(color.White)
img := image.NewRGBA(image.Rect(0, 0, 20, 20))
debugCircleImage = ebiten.NewImageFromImage(img)
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whiteImage.Fill(color.Black)
f, _ := opentype.Parse(goregular.TTF)
face, _ = opentype.NewFace(f, &opentype.FaceOptions{
Size: 12,
DPI: 72,
})
}
type Game struct {
counter int
}
func (g *Game) Update() error {
g.counter++
if g.counter > 16 {
return ebiten.Termination
}
return nil
}
func (g *Game) Draw(screen *ebiten.Image) {
// Before the fix, some complex renderings with EvenOdd might cause a DirectX error like this (#2138):
// panic: directx: IDXGISwapChain4::Present failed: HRESULT(2289696773)
screen.DrawImage(debugCircleImage, nil)
text.Draw(screen, "014678.,", face, 100, 100, color.White)
p := vector.Path{}
p.Arc(100, 100, 6, 0, 2*math.Pi, vector.Clockwise)
filling, indicies := p.AppendVerticesAndIndicesForFilling(nil, nil)
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screen.DrawTriangles(filling, indicies, whiteTextureImage, &ebiten.DrawTrianglesOptions{
FillRule: ebiten.EvenOdd,
})
}
func (g *Game) Layout(outsideWidth, outsideHeight int) (screenWidth, screenHeight int) {
return 800, 600
}
func main() {
if err := ebiten.RunGame(&Game{}); err != nil {
panic(err)
}
}