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internal/restorable: refactoring: add Image.needsRestoring

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This commit is contained in:
Hajime Hoshi 2022-06-08 02:24:10 +09:00
parent 9f729cf5c3
commit 6b212d7642
1 changed files with 9 additions and 8 deletions
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17
internal/restorable/image.go
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@ -270,6 +270,10 @@ func (i *Image) ClearPixels(x, y, width, height int) {
i.ReplacePixels(nil, nil, x, y, width, height)
}
func (i *Image) needsRestoring() bool {
return i.imageType == ImageTypeRegular
}
// ReplacePixels replaces the image pixels with the given pixels slice.
//
// The specified region must not be overlapped with other regions by ReplacePixels.
@ -295,7 +299,7 @@ func (i *Image) ReplacePixels(pixels []byte, mask []byte, x, y, width, height in
i.image.ReplacePixels(make([]byte, 4*width*height), nil, x, y, width, height)
}
if !NeedsRestoring() || i.imageType == ImageTypeScreen || i.imageType == ImageTypeVolatile {
if !NeedsRestoring() || !i.needsRestoring() {
i.makeStale()
return
}
@ -369,7 +373,7 @@ func (i *Image) DrawTriangles(srcs [graphics.ShaderImageNum]*Image, offsets [gra
}
}
if srcstale || i.imageType == ImageTypeScreen || !NeedsRestoring() || i.imageType == ImageTypeVolatile {
if srcstale || !NeedsRestoring() || !i.needsRestoring() {
i.makeStale()
} else {
i.appendDrawTrianglesHistory(srcs, offsets, vertices, indices, colorm, mode, filter, address, dstRegion, srcRegion, shader, uniforms, evenOdd)
@ -394,9 +398,10 @@ func (i *Image) DrawTriangles(srcs [graphics.ShaderImageNum]*Image, offsets [gra
// appendDrawTrianglesHistory appends a draw-image history item to the image.
func (i *Image) appendDrawTrianglesHistory(srcs [graphics.ShaderImageNum]*Image, offsets [graphics.ShaderImageNum - 1][2]float32, vertices []float32, indices []uint16, colorm affine.ColorM, mode graphicsdriver.CompositeMode, filter graphicsdriver.Filter, address graphicsdriver.Address, dstRegion, srcRegion graphicsdriver.Region, shader *Shader, uniforms [][]float32, evenOdd bool) {
if i.stale || i.imageType == ImageTypeVolatile || i.imageType == ImageTypeScreen {
if i.stale || !i.needsRestoring() {
return
}
// TODO: Would it be possible to merge draw image history items?
const maxDrawTrianglesHistoryNum = 1024
if len(i.drawTrianglesHistory)+1 > maxDrawTrianglesHistoryNum {
@ -496,11 +501,7 @@ func (i *Image) resolveStale(graphicsDriver graphicsdriver.Graphics) error {
if !NeedsRestoring() {
return nil
}
if i.imageType == ImageTypeVolatile {
return nil
}
if i.imageType == ImageTypeScreen {
if !i.needsRestoring() {
return nil
}
if !i.stale {