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/*
* 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 "GrPaint.h"
#include "GrXferProcessor.h"
#include "effects/GrCoverageSetOpXP.h"
#include "effects/GrPorterDuffXferProcessor.h"
#include "effects/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, const SkMatrix& matrix) {
this->addColorFragmentProcessor(GrSimpleTextureEffect::Make(std::move(proxy), matrix));
}
void GrPaint::addColorTextureProcessor(sk_sp<GrTextureProxy> proxy, const SkMatrix& matrix,
const GrSamplerState& samplerState) {
this->addColorFragmentProcessor(GrSimpleTextureEffect::Make(std::move(proxy), matrix,
samplerState));
}
void GrPaint::addCoverageTextureProcessor(sk_sp<GrTextureProxy> proxy,
const SkMatrix& matrix) {
this->addCoverageFragmentProcessor(GrSimpleTextureEffect::Make(std::move(proxy), matrix));
}
void GrPaint::addCoverageTextureProcessor(sk_sp<GrTextureProxy> proxy,
const SkMatrix& matrix,
const GrSamplerState& params) {
this->addCoverageFragmentProcessor(GrSimpleTextureEffect::Make(std::move(proxy), matrix,
params));
}
bool GrPaint::isConstantBlendedColor(GrColor* 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 = GrColor_TRANSPARENT_BLACK;
return true;
}
if (this->numColorFragmentProcessors()) {
return false;
}
if (kSrc == fXPFactory || (!fXPFactory && fColor.isOpaque())) {
*constantColor = fColor.toGrColor();
return true;
}
return false;
}
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