Use GLSLCaps for creating processor keys and GLSL-specific programs

src/gpu/gl/GrGLProgramDesc.cpp

 /*
  * Copyright 2013 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 #include "GrGLProgramDesc.h"
 
 #include "GrGLProcessor.h"
 #include "GrProcessor.h"
@@ skipping 88 matching lines @@
     GrGLProgramDesc* glDesc = (GrGLProgramDesc*) desc;
 
     GR_STATIC_ASSERT(0 == kProcessorKeysOffset % sizeof(uint32_t));
     // Make room for everything up to the effect keys.
     glDesc->key().reset();
     glDesc->key().push_back_n(kProcessorKeysOffset);
 
     GrProcessorKeyBuilder b(&glDesc->key());
 
     primProc.getGLProcessorKey(batchTracker, gpu->glCaps(), &b);
+    //**** use glslCaps here?
     if (!get_meta_key(primProc, gpu->glCaps(), 0, &b)) {
         glDesc->key().reset();
         return false;
     }
 
     for (int s = 0; s < pipeline.numFragmentStages(); ++s) {
         const GrPendingFragmentStage& fps = pipeline.getFragmentStage(s);
         const GrFragmentProcessor& fp = *fps.processor();
         fp.getGLProcessorKey(gpu->glCaps(), &b);
+        //**** use glslCaps here?
         if (!get_meta_key(fp, gpu->glCaps(), primProc.getTransformKey(fp.coordTransforms()), &b)) {
             glDesc->key().reset();
             return false;
         }
     }
 
     const GrXferProcessor& xp = *pipeline.getXferProcessor();
     xp.getGLProcessorKey(gpu->glCaps(), &b);
+    //**** use glslCaps here?
     if (!get_meta_key(xp, gpu->glCaps(), 0, &b)) {
         glDesc->key().reset();
         return false;
     }
 
     // --------DO NOT MOVE HEADER ABOVE THIS LINE--------------------------------------------------
     // Because header is a pointer into the dynamic array, we can't push any new data into the key
     // below here.
     KeyHeader* header = glDesc->atOffset<KeyHeader, kHeaderOffset>();
 
     // make sure any padding in the header is zeroed.
     memset(header, 0, kHeaderSize);
 
     if (pipeline.readsFragPosition()) {
         header->fFragPosKey =
                 GrGLFragmentShaderBuilder::KeyForFragmentPosition(pipeline.getRenderTarget(),
                                                                   gpu->glCaps());
     } else {
         header->fFragPosKey = 0;
     }
     header->fSnapVerticesToPixelCenters = pipeline.snapVerticesToPixelCenters();
     header->fColorEffectCnt = pipeline.numColorFragmentStages();
     header->fCoverageEffectCnt = pipeline.numCoverageFragmentStages();
     glDesc->finalize();
     return true;
 }