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In SkGpuDevice;drawTextureAdjuster perform texture w\h divide in texture matrix

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Review URL: https://codereview.chromium.org/1440763002
This commit is contained in:
bsalomon 2015-11-11 16:52:03 -08:00 committed by Commit bot
parent ede7574817
commit 3877ab81ba
1 changed files with 6 additions and 13 deletions
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19
src/gpu/SkGpuDevice_drawTexture.cpp
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@ -120,8 +120,7 @@ void SkGpuDevice::drawTextureAdjusterImpl(GrTextureAdjuster* adjuster,
// by not baking anything about the srcRect, dstRect, or viewMatrix, into the texture FP. In
// the future this should be an opaque optimization enabled by the combination of batch/GP and
// FP.
const SkMatrix* textureFPMatrix;
SkMatrix tempMatrix;
SkMatrix textureFPMatrix;
const SkMaskFilter* mf = paint.getMaskFilter();
GrTexture* texture = adjuster->originalTexture();
// The shader expects proper local coords, so we can't replace local coords with texture coords
@ -129,13 +128,12 @@ void SkGpuDevice::drawTextureAdjusterImpl(GrTextureAdjuster* adjuster,
// that is rendered.
bool canUseTextureCoordsAsLocalCoords = !use_shader(alphaTexture, paint) && !mf;
if (canUseTextureCoordsAsLocalCoords) {
textureFPMatrix = &SkMatrix::I();
textureFPMatrix.setIDiv(texture->width(), texture->height());
} else {
if (!srcToDstMatrix.invert(&tempMatrix)) {
if (!srcToDstMatrix.invert(&textureFPMatrix)) {
return;
}
tempMatrix.postIDiv(texture->width(), texture->height());
textureFPMatrix = &tempMatrix;
textureFPMatrix.postIDiv(texture->width(), texture->height());
}
bool doBicubic;
@ -157,7 +155,7 @@ void SkGpuDevice::drawTextureAdjusterImpl(GrTextureAdjuster* adjuster,
bool coordsAllInsideSrcRect = !paint.isAntiAlias() && !mf;
SkAutoTUnref<const GrFragmentProcessor> fp(adjuster->createFragmentProcessor(
*textureFPMatrix, clippedSrcRect, constraintMode, coordsAllInsideSrcRect, filterMode));
textureFPMatrix, clippedSrcRect, constraintMode, coordsAllInsideSrcRect, filterMode));
if (!fp) {
return;
}
@ -169,12 +167,7 @@ void SkGpuDevice::drawTextureAdjusterImpl(GrTextureAdjuster* adjuster,
}
if (canUseTextureCoordsAsLocalCoords) {
SkRect localRect;
localRect.fLeft = clippedSrcRect.fLeft / texture->width();
localRect.fBottom = clippedSrcRect.fBottom / texture->height();
localRect.fRight = clippedSrcRect.fRight / texture->width();
localRect.fTop = clippedSrcRect.fTop / texture->height();
fDrawContext->fillRectToRect(clip, grPaint, viewMatrix, clippedDstRect, localRect);
fDrawContext->fillRectToRect(clip, grPaint, viewMatrix, clippedDstRect, clippedSrcRect);
return;
}