blob: 8de5817054e6b217ad2611041b787f1ed1d8794a [file] [log] [blame]
/*
* Copyright 2014 Google Inc.
*
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*/
#include "GrInvariantOutput.h"
#ifdef SK_DEBUG
void GrInvariantOutput::validate() const {
if (fIsSingleComponent) {
SkASSERT(0 == fValidFlags || kRGBA_GrColorComponentFlags == fValidFlags);
if (kRGBA_GrColorComponentFlags == fValidFlags) {
SkASSERT(this->colorComponentsAllEqual());
}
}
// If we claim that we are not using the input color we must not be modulating the input.
SkASSERT(fNonMulStageFound || fWillUseInputColor);
}
bool GrInvariantOutput::colorComponentsAllEqual() const {
unsigned colorA = GrColorUnpackA(fColor);
return(GrColorUnpackR(fColor) == colorA &&
GrColorUnpackG(fColor) == colorA &&
GrColorUnpackB(fColor) == colorA);
}
#endif // end DEBUG