Make mixed samples contingent on auxiliary extensions

src/gpu/GrDrawTargetCaps.h

 
 /*
  * Copyright 2013 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 #ifndef GrCaps_DEFINED
 #define GrCaps_DEFINED
 
@@ skipping 51 matching lines @@
     GrShaderCaps& operator= (const GrShaderCaps&);
 
     virtual void reset();
     virtual SkString dump() const;
 
     bool shaderDerivativeSupport() const { return fShaderDerivativeSupport; }
     bool geometryShaderSupport() const { return fGeometryShaderSupport; }
     bool pathRenderingSupport() const { return fPathRenderingSupport; }
     bool dstReadInShaderSupport() const { return fDstReadInShaderSupport; }
     bool dualSourceBlendingSupport() const { return fDualSourceBlendingSupport; }
+    bool mixedSamplesSupport() const { return fMixedSamplesSupport; }
 
     /**
     * Get the precision info for a variable of type kFloat_GrSLType, kVec2f_GrSLType, etc in a
     * given shader type. If the shader type is not supported or the precision level is not
     * supported in that shader type then the returned struct will report false when supported() is
     * called.
     */
     const PrecisionInfo& getFloatShaderPrecisionInfo(GrShaderType shaderType,
         GrSLPrecision precision) const {
         return fFloatPrecisions[shaderType][precision];
     };
 
     /**
     * Is there any difference between the float shader variable precision types? If this is true
     * then unless the shader type is not supported, any call to getFloatShaderPrecisionInfo() would
     * report the same info for all precisions in all shader types.
     */
     bool floatPrecisionVaries() const { return fShaderPrecisionVaries; }
 
 protected:
     bool fShaderDerivativeSupport : 1;
     bool fGeometryShaderSupport : 1;
     bool fPathRenderingSupport : 1;
     bool fDstReadInShaderSupport : 1;
     bool fDualSourceBlendingSupport : 1;
+    bool fMixedSamplesSupport : 1;
 
     bool fShaderPrecisionVaries;
     PrecisionInfo fFloatPrecisions[kGrShaderTypeCount][kGrSLPrecisionCount];
 
 private:
     typedef SkRefCnt INHERITED;
 };
 
 /**
  * Represents the capabilities of a GrContext.
@@ skipping 119 matching lines @@
 
     // The first entry for each config is without msaa and the second is with.
     bool fConfigRenderSupport[kGrPixelConfigCnt][2];
     bool fConfigTextureSupport[kGrPixelConfigCnt];
 
 private:
     typedef SkRefCnt INHERITED;
 };
 
 #endif