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72 lines
2.0 KiB
Go
72 lines
2.0 KiB
Go
package frame
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import (
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"testing"
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"aego/core/mathx"
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"aego/gpu"
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"aego/gpu/null"
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"aego/render/rt"
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"aego/render/view"
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)
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func TestRenderScaleTarget(t *testing.T) {
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dev := null.New()
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r := New()
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r.SetRenderScale(0.5)
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r.scaleTarget(dev, 1280, 720, 1)
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if r.RenderScale() != 0.5 {
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t.Fatalf("render scale %v", r.RenderScale())
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}
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r.Prepare(1280, 720, 1)
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if r.PixelScale() != 0.5 || r.pixelW != 640 || r.pixelH != 360 {
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t.Fatalf("scaled frame %dx%d at %v", r.pixelW, r.pixelH, r.PixelScale())
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}
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out := r.Output()
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if !out.Target.IsZero() || out.W != 1280 || out.H != 720 || out.Scale != 1 {
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t.Fatalf("output %+v, want the full backbuffer", out)
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}
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ext := gpu.TextureHandle{}
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r.SetTarget(ext, 800, 600)
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r.scaleTarget(dev, 1280, 720, 1)
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if r.RenderScale() != 1 {
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t.Fatal("a host target was scaled")
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}
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r.Close()
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}
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func TestOnlyFullOpaqueCameraClearsOwnedPoolPadding(t *testing.T) {
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pool := rt.New(null.New(), gpu.TexSRGBA8, "padded camera")
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defer pool.Close()
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target, err := pool.Resize(nil, 91, 73, false)
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if err != nil {
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t.Fatal(err)
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}
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r := New()
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r.SetPooledTarget(target)
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r.Prepare(1, 1, 1)
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v := view.View{Target: target.Texture, TargetW: target.BucketW, TargetH: target.BucketH, Viewport: r.Viewport(mathx.Rect{}), DoClear: true, Clear: mathx.Color{A: 1}}
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test := func(v view.View, want bool) {
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t.Helper()
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r.AddView(v, 0)
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got := r.Views()[len(r.Views())-1]
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if got.ClearWholeTarget != want || got.Viewport != v.Viewport || (want && got.ClearRegion() != (mathx.Rect{W: 128, H: 128})) {
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t.Fatalf("camera %v / opacity %v: clear %v, whole=%v; want whole=%v", v.Viewport, v.Clear.A, got.ClearRegion(), got.ClearWholeTarget, want)
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}
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}
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test(v, true)
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split := v
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split.Viewport.X, split.Viewport.W = 45, 46
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test(split, false)
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transparent := v
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transparent.Clear.A = 0
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test(transparent, false)
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keep := v
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keep.DoClear = false
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test(keep, false)
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r.SetTarget(target.Texture, target.BucketW, target.BucketH)
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r.SetViewportSize(target.W, target.H)
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test(v, false) // An arbitrary host's sub-rectangle doesn't own the padding.
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pool.Release(target)
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}
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