michael@0: 
michael@0: /*
michael@0:  * Copyright 2013 Google Inc.
michael@0:  *
michael@0:  * Use of this source code is governed by a BSD-style license that can be
michael@0:  * found in the LICENSE file.
michael@0:  */
michael@0: 
michael@0: #include "GrTypes.h"
michael@0: #include "GrColor.h"
michael@0: 
michael@0: #ifndef GrBlend_DEFINED
michael@0: #define GrBlend_DEFINED
michael@0: 
michael@0: static inline bool GrBlendCoeffRefsSrc(GrBlendCoeff coeff) {
michael@0:     switch (coeff) {
michael@0:         case kSC_GrBlendCoeff:
michael@0:         case kISC_GrBlendCoeff:
michael@0:         case kSA_GrBlendCoeff:
michael@0:         case kISA_GrBlendCoeff:
michael@0:             return true;
michael@0:         default:
michael@0:             return false;
michael@0:     }
michael@0: }
michael@0: 
michael@0: static inline bool GrBlendCoeffRefsDst(GrBlendCoeff coeff) {
michael@0:     switch (coeff) {
michael@0:         case kDC_GrBlendCoeff:
michael@0:         case kIDC_GrBlendCoeff:
michael@0:         case kDA_GrBlendCoeff:
michael@0:         case kIDA_GrBlendCoeff:
michael@0:             return true;
michael@0:         default:
michael@0:             return false;
michael@0:     }
michael@0: }
michael@0: 
michael@0: GrColor GrSimplifyBlend(GrBlendCoeff* srcCoeff,
michael@0:                         GrBlendCoeff* dstCoeff,
michael@0:                         GrColor srcColor, uint32_t srcCompFlags,
michael@0:                         GrColor dstColor, uint32_t dstCompFlags,
michael@0:                         GrColor constantColor);
michael@0: 
michael@0: #endif