Beginning of support for texture rectangles.

src/gpu/gl/GrGLProgramDataManager.cpp

Index: src/gpu/gl/GrGLProgramDataManager.cpp
diff --git a/src/gpu/gl/GrGLProgramDataManager.cpp b/src/gpu/gl/GrGLProgramDataManager.cpp
index 54ca73a205c694bab8fae3948ca0509a20a28cd2..06f568ee2641ba10a934d803c8737223d3424901 100644
--- a/src/gpu/gl/GrGLProgramDataManager.cpp
+++ b/src/gpu/gl/GrGLProgramDataManager.cpp
@@ -63,7 +63,8 @@ GrGLProgramDataManager::GrGLProgramDataManager(GrGLGpu* gpu, GrGLuint programID,
 
 void GrGLProgramDataManager::setSampler(UniformHandle u, int texUnit) const {
     const Uniform& uni = fUniforms[u.toIndex()];
-    SkASSERT(uni.fType == kSampler2D_GrSLType || uni.fType == kSamplerExternal_GrSLType);
+    SkASSERT(uni.fType == kSampler2D_GrSLType || uni.fType == kSamplerExternal_GrSLType ||
+             uni.fType == kSampler2DRect_GrSLType);
     SkASSERT(GrGLSLShaderVar::kNonArray == uni.fArrayCount);
     // FIXME: We still insert a single sampler uniform for every stage. If the shader does not
     // reference the sampler then the compiler may have optimized it out. Uncomment this assert