commit 443e5a52b7e85070c26a068cd3b0aad126502395
author robertphillips@google.com <robertphillips@google.com@2bbb7eff-a529-9590-31e7-b0007b416f81> Mon Apr 30 20:01:21 2012 +0000
committer robertphillips@google.com <robertphillips@google.com@2bbb7eff-a529-9590-31e7-b0007b416f81> Mon Apr 30 20:01:21 2012 +0000
tree 822e09f0b6640f86e82597ee9fc4a7daa3ae4511
parent a833b5c40d0516237e0889fce8af44880423fc20

Re-adding red texture support (by rolling back r3800)

http://code.google.com/p/skia/source/detail?r=3622 - for original review
http://crbug.com/125596 ('M20 windows renderer stability maze') - for issue



git-svn-id: http://skia.googlecode.com/svn/trunk@3802 2bbb7eff-a529-9590-31e7-b0007b416f81

src/gpu/gl/GrGLProgram.cpp

diff --git a/src/gpu/gl/GrGLProgram.cpp b/src/gpu/gl/GrGLProgram.cpp
index cb90ac6..3e1f1d4 100644
--- a/src/gpu/gl/GrGLProgram.cpp
+++ b/src/gpu/gl/GrGLProgram.cpp
@@ -1942,11 +1942,17 @@
     const char* swizzle = "";
     if (desc.fInConfigFlags & StageDesc::kSwapRAndB_InConfigFlag) {
         GrAssert(!(desc.fInConfigFlags & StageDesc::kSmearAlpha_InConfigFlag));
+        GrAssert(!(desc.fInConfigFlags & StageDesc::kSmearRed_InConfigFlag));
         swizzle = ".bgra";
     } else if (desc.fInConfigFlags & StageDesc::kSmearAlpha_InConfigFlag) {
         GrAssert(!(desc.fInConfigFlags & kMulByAlphaMask));
+        GrAssert(!(desc.fInConfigFlags & StageDesc::kSmearRed_InConfigFlag));
         swizzle = ".aaaa";
-    } 
+    } else if (desc.fInConfigFlags & StageDesc::kSmearRed_InConfigFlag) {
+        GrAssert(!(desc.fInConfigFlags & kMulByAlphaMask));
+        GrAssert(!(desc.fInConfigFlags & StageDesc::kSmearAlpha_InConfigFlag));
+        swizzle = ".rrrr";
+    }
 
     GrStringBuilder modulate;
     if (NULL != fsInColor) {
@@ -1996,6 +2002,8 @@
             GrAssert(GrIsPow2(kMulByAlphaMask & desc.fInConfigFlags));
             GrAssert(!(desc.fInConfigFlags & 
                        StageDesc::kSmearAlpha_InConfigFlag));
+            GrAssert(!(desc.fInConfigFlags & 
+                       StageDesc::kSmearRed_InConfigFlag));
             segments->fFSCode.appendf("\t%s = %s(%s, %s)%s;\n",
                                       fsOutColor, texFunc.c_str(), 
                                       samplerName, sampleCoords.c_str(),