For TextureOp + Alpha texture, xform paint color to dest color space

This is an unfortunate amount of plumbing for this, but benchmarks
confirm that we're better off doing this work in the vertex shader
(with a ubyte attribute) than using a float4 attribute.

Change-Id: I358d330ee452ea0a89cdd725019c8df2686036a0
Reviewed-on: https://skia-review.googlesource.com/144351
Reviewed-by: Brian Salomon <bsalomon@google.com>
Commit-Queue: Brian Osman <brianosman@google.com>

1 files changed, 4 insertions, 2 deletions

diff --git a/src/gpu/GrRenderTargetContext.cpp b/src/gpu/GrRenderTargetContext.cpp
index 7d88bc4936..a67e19a9d9 100644
--- a/src/gpu/GrRenderTargetContext.cpp
+++ b/src/gpu/GrRenderTargetContext.cpp
@@ -764,7 +764,8 @@ void GrRenderTargetContext::drawTexture(const GrClip& clip, sk_sp<GrTextureProxy
                                         const SkRect& srcRect, const SkRect& dstRect, GrAA aa,
                                         SkCanvas::SrcRectConstraint constraint,
                                         const SkMatrix& viewMatrix,
-                                        sk_sp<GrColorSpaceXform> colorSpaceXform) {
+                                        sk_sp<GrColorSpaceXform> textureColorSpaceXform,
+                                        sk_sp<GrColorSpaceXform> paintColorSpaceXform) {
     ASSERT_SINGLE_OWNER
     RETURN_IF_ABANDONED
     SkDEBUGCODE(this->validate();)
@@ -790,7 +791,8 @@ void GrRenderTargetContext::drawTexture(const GrClip& clip, sk_sp<GrTextureProxy
     }
     this->addDrawOp(clip, GrTextureOp::Make(fContext, std::move(proxy), filter, color,
                                             clippedSrcRect, clippedDstRect, aaType, constraint,
-                                            viewMatrix, std::move(colorSpaceXform)));
+                                            viewMatrix, std::move(textureColorSpaceXform),
+                                            std::move(paintColorSpaceXform)));
 }
 
 void GrRenderTargetContext::fillRectWithLocalMatrix(const GrClip& clip,