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internal/ui: refactoring

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This commit is contained in:
Hajime Hoshi 2022-10-21 03:11:13 +09:00
parent 9ec23ddeb4
commit a990d79905
1 changed files with 14 additions and 12 deletions
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26
internal/ui/image.go
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@ -31,6 +31,8 @@ func SetPanicOnErrorOnReadingPixelsForTesting(value bool) {
panicOnErrorOnReadingPixels = value
}
const bigOffscreenScale = 2
type Image struct {
mipmap *mipmap.Mipmap
width int
@ -87,7 +89,7 @@ func (i *Image) DrawTriangles(srcs [graphics.ShaderImageCount]*Image, vertices [
default:
panic(fmt.Sprintf("ui: unexpected image type: %d", imageType))
}
i.bigOffscreenBuffer = NewImage(i.width*2, i.height*2, imageType)
i.bigOffscreenBuffer = NewImage(i.width*bigOffscreenScale, i.height*bigOffscreenScale, imageType)
}
i.bigOffscreenBufferBlend = blend
@ -97,27 +99,27 @@ func (i *Image) DrawTriangles(srcs [graphics.ShaderImageCount]*Image, vertices [
srcs := [graphics.ShaderImageCount]*Image{i}
vs := graphics.QuadVertices(
0, 0, float32(i.width), float32(i.height),
2, 0, 0, 2, 0, 0,
bigOffscreenScale, 0, 0, bigOffscreenScale, 0, 0,
1, 1, 1, 1)
is := graphics.QuadIndices()
dstRegion := graphicsdriver.Region{
X: 0,
Y: 0,
Width: float32(i.width * 2),
Height: float32(i.height * 2),
Width: float32(i.width * bigOffscreenScale),
Height: float32(i.height * bigOffscreenScale),
}
i.bigOffscreenBuffer.DrawTriangles(srcs, vs, is, graphicsdriver.BlendCopy, dstRegion, graphicsdriver.Region{}, [graphics.ShaderImageCount - 1][2]float32{}, NearestFilterShader, nil, false, true, false)
}
for i := 0; i < len(vertices); i += graphics.VertexFloatCount {
vertices[i] *= 2
vertices[i+1] *= 2
vertices[i] *= bigOffscreenScale
vertices[i+1] *= bigOffscreenScale
}
dstRegion.X *= 2
dstRegion.Y *= 2
dstRegion.Width *= 2
dstRegion.Height *= 2
dstRegion.X *= bigOffscreenScale
dstRegion.Y *= bigOffscreenScale
dstRegion.Width *= bigOffscreenScale
dstRegion.Height *= bigOffscreenScale
i.bigOffscreenBuffer.DrawTriangles(srcs, vertices, indices, blend, dstRegion, srcRegion, subimageOffsets, shader, uniforms, evenOdd, canSkipMipmap, false)
i.bigOffscreenBufferDirty = true
@ -281,8 +283,8 @@ func (i *Image) flushBigOffscreenBufferIfNeeded() {
srcs := [graphics.ShaderImageCount]*Image{i.bigOffscreenBuffer}
vs := graphics.QuadVertices(
0, 0, float32(i.width*2), float32(i.height*2),
0.5, 0, 0, 0.5, 0, 0,
0, 0, float32(i.width*bigOffscreenScale), float32(i.height*bigOffscreenScale),
1.0/bigOffscreenScale, 0, 0, 1.0/bigOffscreenScale, 0, 0,
1, 1, 1, 1)
is := graphics.QuadIndices()
dstRegion := graphicsdriver.Region{