Introduce GrGLShaderBuilder::TextureSampler

Review URL: https://codereview.appspot.com/6495099/



git-svn-id: http://skia.googlecode.com/svn/trunk@5422 2bbb7eff-a529-9590-31e7-b0007b416f81
diff --git a/src/gpu/effects/GrSingleTextureEffect.cpp b/src/gpu/effects/GrSingleTextureEffect.cpp
index dc91a68..b2fe0cc 100644
--- a/src/gpu/effects/GrSingleTextureEffect.cpp
+++ b/src/gpu/effects/GrSingleTextureEffect.cpp
@@ -22,9 +22,9 @@
     virtual void emitFS(GrGLShaderBuilder* builder,
                         const char* outputColor,
                         const char* inputColor,
-                        const char* samplerName) SK_OVERRIDE {
+                        const TextureSamplerArray& samplers) SK_OVERRIDE {
         builder->fFSCode.appendf("\t%s = ", outputColor);
-        builder->appendTextureLookupAndModulate(&builder->fFSCode, inputColor, samplerName);
+        builder->appendTextureLookupAndModulate(&builder->fFSCode, inputColor, samplers[0]);
         builder->fFSCode.append(";\n");
     }