Add rect clip optimization to GrRenderTargetContext::drawTextureAffine

Bug: skia:
Change-Id: Ibca6bdf9dc72a2b1579a5eb4c22d30e32b964f83
Reviewed-on: https://skia-review.googlesource.com/40803
Reviewed-by: Robert Phillips <robertphillips@google.com>
Commit-Queue: Brian Salomon <bsalomon@google.com>

1 files changed, 10 insertions, 2 deletions

diff --git a/src/gpu/GrRenderTargetContext.cpp b/src/gpu/GrRenderTargetContext.cpp
index 14fa6fb2ef..9d8f69fbbc 100644
--- a/src/gpu/GrRenderTargetContext.cpp
+++ b/src/gpu/GrRenderTargetContext.cpp
@@ -791,9 +791,17 @@ void GrRenderTargetContext::drawTextureAffine(const GrClip& clip, sk_sp<GrTextur
     if (filter != GrSamplerParams::kNone_FilterMode && !must_filter(srcRect, dstRect, viewMatrix)) {
         filter = GrSamplerParams::kNone_FilterMode;
     }
+    SkRect clippedDstRect = dstRect;
+    SkRect clippedSrcRect = srcRect;
+    if (!crop_filled_rect(this->width(), this->height(), clip, viewMatrix, &clippedDstRect,
+                          &clippedSrcRect)) {
+        return;
+    }
+
     bool allowSRGB = SkToBool(this->getColorSpace());
-    this->addDrawOp(clip, GrTextureOp::Make(std::move(proxy), filter, color, srcRect, dstRect,
-                                            viewMatrix, std::move(colorSpaceXform), allowSRGB));
+    this->addDrawOp(clip, GrTextureOp::Make(std::move(proxy), filter, color, clippedSrcRect,
+                                            clippedDstRect, viewMatrix, std::move(colorSpaceXform),
+                                            allowSRGB));
 }
 
 void GrRenderTargetContext::fillRectWithLocalMatrix(const GrClip& clip,