Make GrDrawTarget::Caps ref counted and GrGLCaps derive from it.

src/gpu/gl/GrGLProgram.cpp

 /*
  * Copyright 2011 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #include "GrGLProgram.h"
 
 #include "GrAllocator.h"
@@ skipping 131 matching lines @@
             desc->fEffectKeys[s] = 0;
         }
     }
 
     desc->fDualSrcOutput = Desc::kNone_DualSrcOutput;
 
     // Currently the experimental GS will only work with triangle prims (and it doesn't do anything
     // other than pass through values from the VS to the FS anyway).
 #if GR_GL_EXPERIMENTAL_GS
 #if 0
-    desc->fExperimentalGS = gpu->getCaps().geometryShaderSupport();
+    desc->fExperimentalGS = gpu->caps().geometryShaderSupport();
 #else
     desc->fExperimentalGS = false;
 #endif
 #endif
 
     // We want to avoid generating programs with different "first cov stage" values when they would
     // compute the same result. We set field in the desc to kNumStages when either there are no
     // coverage stages or the distinction between coverage and color is immaterial.
     int firstCoverageStage = GrDrawState::kNumStages;
     desc->fFirstCoverageStage = GrDrawState::kNumStages;
     bool hasCoverage = drawState.getFirstCoverageStage() <= lastEnabledStage;
     if (hasCoverage) {
         firstCoverageStage = drawState.getFirstCoverageStage();
     }
 
     // other coverage inputs
     if (!hasCoverage) {
         hasCoverage = requiresAttributeCoverage ||
                       (desc->fAttribBindings & GrDrawState::kEdge_AttribBindingsBit);
     }
 
     if (hasCoverage) {
         // color filter is applied between color/coverage computation
         if (SkXfermode::kDst_Mode != desc->fColorFilterXfermode) {
             desc->fFirstCoverageStage = firstCoverageStage;
         }
 
-        if (gpu->getCaps().dualSourceBlendingSupport() &&
+        if (gpu->caps()->dualSourceBlendingSupport() &&
             !(blendOpts & (GrDrawState::kEmitCoverage_BlendOptFlag |
                            GrDrawState::kCoverageAsAlpha_BlendOptFlag))) {
             if (kZero_GrBlendCoeff == dstCoeff) {
                 // write the coverage value to second color
                 desc->fDualSrcOutput =  Desc::kCoverage_DualSrcOutput;
                 desc->fFirstCoverageStage = firstCoverageStage;
             } else if (kSA_GrBlendCoeff == dstCoeff) {
                 // SA dst coeff becomes 1-(1-SA)*coverage when dst is partially covered.
                 desc->fDualSrcOutput = Desc::kCoverageISA_DualSrcOutput;
                 desc->fFirstCoverageStage = firstCoverageStage;
@@ skipping 1004 matching lines @@
             SkScalarToFloat(m[SkMatrix::kMTransX]),
             SkScalarToFloat(m[SkMatrix::kMTransY]),
             SkScalarToFloat(m[SkMatrix::kMPersp2])
         };
         fUniformManager.setMatrix3f(fUniformHandles.fViewMatrixUni, mt);
         fMatrixState.fViewMatrix = drawState.getViewMatrix();
         fMatrixState.fRenderTargetSize = size;
         fMatrixState.fRenderTargetOrigin = rt->origin();
     }
 }