Beginning of support for texture rectangles.

src/gpu/gl/builders/GrGLProgramBuilder.cpp

 /*
  * Copyright 2014 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #include "GrGLProgramBuilder.h"
 
 #include "GrAutoLocaleSetter.h"
@@ skipping 56 matching lines @@
 }
 
 const GrGLSLCaps* GrGLProgramBuilder::glslCaps() const {
     return fGpu->ctxInfo().caps()->glslCaps();
 }
 
 static GrSLType get_sampler_type(const GrTextureAccess& access) {
     GrGLTexture* glTexture = static_cast<GrGLTexture*>(access.getTexture());
     if (glTexture->target() == GR_GL_TEXTURE_EXTERNAL) {
         return kSamplerExternal_GrSLType;
+    } else if (glTexture->target() == GR_GL_TEXTURE_RECTANGLE) {
+        return kSampler2DRect_GrSLType;
     } else {
         SkASSERT(glTexture->target() == GR_GL_TEXTURE_2D);
         return kSampler2D_GrSLType;
     }
 }
 
 void GrGLProgramBuilder::emitSamplers(const GrProcessor& processor,
                                       GrGLSLTextureSampler::TextureSamplerArray* outSamplers) {
     int numTextures = processor.numTextures();
     UniformHandle* localSamplerUniforms = fSamplerUniforms.push_back_n(numTextures);
@@ skipping 178 matching lines @@
                            fUniformHandles,
                            programID,
                            fUniformHandler.fUniforms,
                            fVaryingHandler.fPathProcVaryingInfos,
                            fGeometryProcessor,
                            fXferProcessor,
                            fFragmentProcessors,
                            &fSamplerUniforms);
 }