1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/gfx/skia/trunk/src/gpu/GrBlend.h Wed Dec 31 06:09:35 2014 +0100
1.3 @@ -0,0 +1,45 @@
1.4 +
1.5 +/*
1.6 + * Copyright 2013 Google Inc.
1.7 + *
1.8 + * Use of this source code is governed by a BSD-style license that can be
1.9 + * found in the LICENSE file.
1.10 + */
1.11 +
1.12 +#include "GrTypes.h"
1.13 +#include "GrColor.h"
1.14 +
1.15 +#ifndef GrBlend_DEFINED
1.16 +#define GrBlend_DEFINED
1.17 +
1.18 +static inline bool GrBlendCoeffRefsSrc(GrBlendCoeff coeff) {
1.19 + switch (coeff) {
1.20 + case kSC_GrBlendCoeff:
1.21 + case kISC_GrBlendCoeff:
1.22 + case kSA_GrBlendCoeff:
1.23 + case kISA_GrBlendCoeff:
1.24 + return true;
1.25 + default:
1.26 + return false;
1.27 + }
1.28 +}
1.29 +
1.30 +static inline bool GrBlendCoeffRefsDst(GrBlendCoeff coeff) {
1.31 + switch (coeff) {
1.32 + case kDC_GrBlendCoeff:
1.33 + case kIDC_GrBlendCoeff:
1.34 + case kDA_GrBlendCoeff:
1.35 + case kIDA_GrBlendCoeff:
1.36 + return true;
1.37 + default:
1.38 + return false;
1.39 + }
1.40 +}
1.41 +
1.42 +GrColor GrSimplifyBlend(GrBlendCoeff* srcCoeff,
1.43 + GrBlendCoeff* dstCoeff,
1.44 + GrColor srcColor, uint32_t srcCompFlags,
1.45 + GrColor dstColor, uint32_t dstCompFlags,
1.46 + GrColor constantColor);
1.47 +
1.48 +#endif
