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/*
* Copyright 2014 Google Inc.
*
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*/
#ifndef GrPipelineInput_DEFINED
#define GrPipelineInput_DEFINED
#include "GrColor.h"
/**
* This describes the color or coverage input that will be seen by the first color or coverage stage
* of a GrPipeline. This is also the GrPrimitiveProcessor color or coverage *output*.
*/
struct GrPipelineInput {
GrPipelineInput()
: fValidFlags(kNone_GrColorComponentFlags), fColor(0), fIsLCDCoverage(false) {}
void setKnownFourComponents(GrColor color) {
fColor = color;
fValidFlags = kRGBA_GrColorComponentFlags;
}
void setUnknownFourComponents() { fValidFlags = kNone_GrColorComponentFlags; }
void setUnknownOpaqueFourComponents() {
fColor = 0xffU << GrColor_SHIFT_A;
fValidFlags = kA_GrColorComponentFlag;
}
void setKnownSingleComponent(uint8_t alpha) {
fColor = GrColorPackRGBA(alpha, alpha, alpha, alpha);
fValidFlags = kRGBA_GrColorComponentFlags;
}
void setUnknownSingleComponent() { fValidFlags = kNone_GrColorComponentFlags; }
void setUsingLCDCoverage() { fIsLCDCoverage = true; }
GrColorComponentFlags fValidFlags;
GrColor fColor;
bool fIsLCDCoverage;
};
#endif
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