1 /* 2 * Copyright 2014 Google Inc. 3 * 4 * Use of this source code is governed by a BSD-style license that can be 5 * found in the LICENSE file. 6 */ 7 8 #ifndef GrPendingProcessorStage_DEFINED 9 #define GrPendingProcessorStage_DEFINED 10 11 #include "GrFragmentStage.h" 12 #include "GrCoordTransform.h" 13 #include "GrFragmentProcessor.h" 14 #include "GrPendingProgramElement.h" 15 16 /** 17 * This a baked variant of GrFragmentStage, as recorded in GrOptDrawState. 18 */ 19 class GrPendingFragmentStage { 20 public: 21 GrPendingFragmentStage(const GrFragmentStage& stage) : fProc(stage.processor()) {} 22 23 GrPendingFragmentStage(const GrPendingFragmentStage& that) { *this = that; } 24 25 GrPendingFragmentStage& operator=(const GrPendingFragmentStage& that) { 26 fProc.reset(that.fProc.get()); 27 return *this; 28 } 29 30 bool operator==(const GrPendingFragmentStage& that) const { 31 return this->processor()->isEqual(*that.processor()); 32 } 33 34 bool operator!=(const GrPendingFragmentStage& that) const { return !(*this == that); } 35 36 /** 37 * For a coord transform on the fragment processor, does it or the coord change matrix (if 38 * relevant) contain perspective? 39 */ 40 bool isPerspectiveCoordTransform(int matrixIndex) const { 41 const GrCoordTransform& coordTransform = this->processor()->coordTransform(matrixIndex); 42 uint32_t type = coordTransform.getMatrix().getType(); 43 return SkToBool(SkMatrix::kPerspective_Mask & type); 44 } 45 46 const char* name() const { return fProc->name(); } 47 48 const GrFragmentProcessor* processor() const { return fProc.get(); } 49 50 protected: 51 GrPendingProgramElement<const GrFragmentProcessor> fProc; 52 }; 53 #endif 54
