blob: cb8d479005aaeb5bf751b1ca6b9f17844e60881a [file] [log] [blame]
/*
* Copyright 2013 Google Inc.
*
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*/
#include "src/gpu/GrPaint.h"
#include "src/gpu/GrXferProcessor.h"
#include "src/gpu/effects/GrCoverageSetOpXP.h"
#include "src/gpu/effects/GrPorterDuffXferProcessor.h"
#include "src/gpu/effects/generated/GrSimpleTextureEffect.h"
GrPaint::GrPaint(const GrPaint& that)
: fXPFactory(that.fXPFactory)
, fColorFragmentProcessors(that.fColorFragmentProcessors.count())
, fCoverageFragmentProcessors(that.fCoverageFragmentProcessors.count())
, fTrivial(that.fTrivial)
, fColor(that.fColor) {
for (int i = 0; i < that.fColorFragmentProcessors.count(); ++i) {
fColorFragmentProcessors.push_back(that.fColorFragmentProcessors[i]->clone());
SkASSERT(fColorFragmentProcessors[i]);
}
for (int i = 0; i < that.fCoverageFragmentProcessors.count(); ++i) {
fCoverageFragmentProcessors.push_back(that.fCoverageFragmentProcessors[i]->clone());
SkASSERT(fCoverageFragmentProcessors[i]);
}
}
void GrPaint::setPorterDuffXPFactory(SkBlendMode mode) {
this->setXPFactory(GrPorterDuffXPFactory::Get(mode));
}
void GrPaint::setCoverageSetOpXPFactory(SkRegion::Op regionOp, bool invertCoverage) {
this->setXPFactory(GrCoverageSetOpXPFactory::Get(regionOp, invertCoverage));
}
void GrPaint::addColorTextureProcessor(sk_sp<GrTextureProxy> proxy, SkAlphaType alphaType,
const SkMatrix& matrix, const GrSamplerState& samplerState) {
this->addColorFragmentProcessor(
GrSimpleTextureEffect::Make(std::move(proxy), alphaType, matrix, samplerState));
}
bool GrPaint::isConstantBlendedColor(SkPMColor4f* constantColor) const {
// This used to do a more sophisticated analysis but now it just explicitly looks for common
// cases.
static const GrXPFactory* kSrc = GrPorterDuffXPFactory::Get(SkBlendMode::kSrc);
static const GrXPFactory* kClear = GrPorterDuffXPFactory::Get(SkBlendMode::kClear);
if (kClear == fXPFactory) {
*constantColor = SK_PMColor4fTRANSPARENT;
return true;
}
if (this->numColorFragmentProcessors()) {
return false;
}
if (kSrc == fXPFactory || (!fXPFactory && fColor.isOpaque())) {
*constantColor = fColor;
return true;
}
return false;
}