Key shader on whether frag pos read is relative to top-left or bottom-left

src/gpu/gl/GrGLProgramDesc.h

Index: src/gpu/gl/GrGLProgramDesc.h
diff --git a/src/gpu/gl/GrGLProgramDesc.h b/src/gpu/gl/GrGLProgramDesc.h
index 45714a0dc67bf4e45e35b9b58a411835626e7883..8e551e29a026ca6e67f018ecada2820a86f26fc2 100644
--- a/src/gpu/gl/GrGLProgramDesc.h
+++ b/src/gpu/gl/GrGLProgramDesc.h
@@ -108,6 +108,9 @@ private:
     GrGLShaderBuilder::DstReadKey fDstRead;             // set by GrGLShaderBuilder if there
                                                         // are effects that must read the dst.
                                                         // Otherwise, 0.

[robertphillips, 2013/05/10 13:53:58]

fFragPosKey?

[bsalomon, 2013/05/13 15:16:49]

Done, and changed fDstRead->fDstReadKey

+    GrGLShaderBuilder::FragPosKey fFragPos;             // set by GrGLShaderBuilder if there are
+                                                        // effects that read the fragment position.
+                                                        // Otherwise, 0.
 
     // should the FS discard if the coverage is zero (to avoid stencil manipulation)
     SkBool8                     fDiscardIfZeroCoverage;