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internal/ui: flush the cache of the final screen after DrawScreen

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The screen image might have a cache in the future.

Updates #2385
This commit is contained in:
Hajime Hoshi 2022-10-15 01:59:44 +09:00
parent daf349ab72
commit 32a2a705c0
2 changed files with 12 additions and 7 deletions
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5
internal/ui/context.go
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@ -175,6 +175,11 @@ func (c *context) drawGame(graphicsDriver graphicsdriver.Graphics) error {
}
c.game.DrawScreen()
// The final screen is never used as the rendering source.
// Flush its cache here just in case.
c.screen.flushCacheIfNeeded()
return nil
}

14
internal/ui/image.go
View File

@ -57,14 +57,14 @@ func (i *Image) MarkDisposed() {
}
func (i *Image) DrawTriangles(srcs [graphics.ShaderImageCount]*Image, vertices []float32, indices []uint16, mode graphicsdriver.CompositeMode, dstRegion, srcRegion graphicsdriver.Region, subimageOffsets [graphics.ShaderImageCount - 1][2]float32, shader *Shader, uniforms [][]float32, evenOdd bool, canSkipMipmap bool) {
i.resolveDotsCacheIfNeeded()
i.flushCacheIfNeeded()
var srcMipmaps [graphics.ShaderImageCount]*mipmap.Mipmap
for i, src := range srcs {
if src == nil {
continue
}
src.resolveDotsCacheIfNeeded()
src.flushCacheIfNeeded()
srcMipmaps[i] = src.mipmap
}
@ -83,12 +83,12 @@ func (i *Image) WritePixels(pix []byte, x, y, width, height int) {
// One square requires 6 indices (= 2 triangles).
if len(i.dotsCache) >= graphics.IndicesCount/6 {
i.resolveDotsCacheIfNeeded()
i.flushCacheIfNeeded()
}
return
}
i.resolveDotsCacheIfNeeded()
i.flushCacheIfNeeded()
i.mipmap.WritePixels(pix, x, y, width, height)
}
@ -103,10 +103,10 @@ func (i *Image) ReadPixels(pixels []byte, x, y, width, height int) {
copy(pixels, c[:])
return
}
// Do not call resolveDotsCacheIfNeeded here. This would slow (image/draw).Draw.
// Do not call flushCacheIfNeeded here. This would slow (image/draw).Draw.
// See ebiten.TestImageDrawOver.
} else {
i.resolveDotsCacheIfNeeded()
i.flushCacheIfNeeded()
}
if err := theUI.readPixels(i.mipmap, pixels, x, y, width, height); err != nil {
@ -121,7 +121,7 @@ func (i *Image) DumpScreenshot(name string, blackbg bool) (string, error) {
return theUI.dumpScreenshot(i.mipmap, name, blackbg)
}
func (i *Image) resolveDotsCacheIfNeeded() {
func (i *Image) flushCacheIfNeeded() {
if len(i.dotsCache) == 0 {
return
}