Loosen requirements for mixed samples support

src/gpu/gl/GrGLGpu.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 "GrGLGpu.h"
 #include "GrGLGLSL.h"
@@ skipping 315 matching lines @@
         GL_CALL(Disable(GR_GL_DITHER));
     }
 
     if (resetBits & kMSAAEnable_GrGLBackendState) {
         fMSAAEnabled = kUnknown_TriState;
 
         // In mixed samples mode coverage modulation allows the coverage to be converted to
         // "opacity", which can then be blended into the color buffer to accomplish antialiasing.
         // Enable coverage modulation suitable for premultiplied alpha colors.
         // This state has no effect when not rendering to a mixed sampled target.
-        if (this->glCaps().shaderCaps()->mixedSamplesSupport()) {
+        if (this->caps()->mixedSamplesSupport()) {
             GL_CALL(CoverageModulation(GR_GL_RGBA));
         }
     }
 
     fHWActiveTextureUnitIdx = -1; // invalid
 
     if (resetBits & kTextureBinding_GrGLBackendState) {
         for (int s = 0; s < fHWBoundTextureUniqueIDs.count(); ++s) {
             fHWBoundTextureUniqueIDs[s] = SK_InvalidUniqueID;
         }
@@ skipping 2981 matching lines @@
             this->setVertexArrayID(gpu, 0);
         }
         int attrCount = gpu->glCaps().maxVertexAttributes();
         if (fDefaultVertexArrayAttribState.count() != attrCount) {
             fDefaultVertexArrayAttribState.resize(attrCount);
         }
         attribState = &fDefaultVertexArrayAttribState;
     }
     return attribState;
 }