Reduce usage of GrGLShaderBuilder::SamplerMode

http://codereview.appspot.com/6453080/



git-svn-id: http://skia.googlecode.com/svn/trunk@4940 2bbb7eff-a529-9590-31e7-b0007b416f81
diff --git a/src/gpu/gl/GrGLProgram.cpp b/src/gpu/gl/GrGLProgram.cpp
index 3590428..ebbd267 100644
--- a/src/gpu/gl/GrGLProgram.cpp
+++ b/src/gpu/gl/GrGLProgram.cpp
@@ -1068,15 +1068,7 @@
 
     builder->fSampleCoords = varyingFSName;
 
-    GrGLShaderBuilder::SamplerMode sampleMode =
-        GrGLShaderBuilder::kExplicitDivide_SamplerMode;
-    if (desc.fOptFlags & (StageDesc::kIdentityMatrix_OptFlagBit |
-                          StageDesc::kNoPerspective_OptFlagBit)) {
-        sampleMode = GrGLShaderBuilder::kDefault_SamplerMode;
-    } else if (NULL == customStage) {
-        sampleMode = GrGLShaderBuilder::kProj_SamplerMode;
-    }
-    builder->setupTextureAccess(sampleMode, stageNum);
+    builder->setupTextureAccess(stageNum);
 
     builder->computeSwizzle(desc.fInConfigFlags);
     builder->computeModulate(fsInColor);