mirror of
https://github.com/hajimehoshi/ebiten.git
synced 2024-09-20 13:22:19 +02:00
58 lines
1.7 KiB
Go
58 lines
1.7 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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package restorable_test
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import (
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"image"
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"image/color"
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"testing"
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"github.com/hajimehoshi/ebiten/internal/driver"
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"github.com/hajimehoshi/ebiten/internal/graphics"
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"github.com/hajimehoshi/ebiten/internal/graphicscommand"
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. "github.com/hajimehoshi/ebiten/internal/restorable"
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etesting "github.com/hajimehoshi/ebiten/internal/testing"
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)
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func TestShader(t *testing.T) {
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if !graphicscommand.IsShaderAvailable() {
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t.Skip("shader is not available on this environment")
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}
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img := newImageFromImage(image.NewRGBA(image.Rect(0, 0, 1, 1)))
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defer img.Dispose()
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ir := etesting.ShaderProgramFill(0xff, 0, 0, 0xff)
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s := NewShader(&ir)
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is := graphics.QuadIndices()
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us := map[int]interface{}{
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0: []float32{1, 1},
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}
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img.DrawTriangles(nil, quadVertices(1, 1, 0, 0), is, nil, driver.CompositeModeCopy, driver.FilterNearest, driver.AddressClampToZero, s, us)
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if err := ResolveStaleImages(); err != nil {
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t.Fatal(err)
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}
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if err := RestoreIfNeeded(); err != nil {
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t.Fatal(err)
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}
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want := color.RGBA{0xff, 0, 0, 0xff}
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got := pixelsToColor(img.BasePixelsForTesting(), 0, 0)
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if !sameColors(got, want, 1) {
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t.Errorf("got %v, want %v", got, want)
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}
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}
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