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Unified Diff: src/gpu/gl/builders/GrGLProgramBuilder.cpp

Issue 896163003: Revert "Move DstCopy on gpu into the GrXferProcessor." (Closed) Base URL: https://skia.googlesource.com/skia.git@master
Patch Set: Fix revert Created 5 years, 10 months ago
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Index: src/gpu/gl/builders/GrGLProgramBuilder.cpp
diff --git a/src/gpu/gl/builders/GrGLProgramBuilder.cpp b/src/gpu/gl/builders/GrGLProgramBuilder.cpp
index bb278be3953a5256c10f379785e7ccc4910adae5..088169622ccd3f397c2a185cd593bb75dcebcf7f 100644
--- a/src/gpu/gl/builders/GrGLProgramBuilder.cpp
+++ b/src/gpu/gl/builders/GrGLProgramBuilder.cpp
@@ -56,6 +56,12 @@ GrGLProgram* GrGLProgramBuilder::CreateProgram(const DrawArgs& args, GrGLGpu* gp
GrGLProgramBuilder* pb = builder.get();
+ // emit code to read the dst copy texture, if necessary
+ if (GrGLFragmentShaderBuilder::kNoDstRead_DstReadKey != pb->header().fDstReadKey &&
+ !gpu->glCaps().fbFetchSupport()) {
+ pb->fFS.emitCodeToReadDstTexture();
+ }
+
// TODO: Once all stages can handle taking a float or vec4 and correctly handling them we can
// seed correctly here
GrGLSLExpr4 inputColor;
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