1 /*
2 * Copyright 2013 Google Inc.
3 *
4 * Use of this source code is governed by a BSD-style license that can be
5 * found in the LICENSE file.
6 */
7
8 #include "src/gpu/GrPaint.h"
9 #include "src/gpu/GrXferProcessor.h"
10 #include "src/gpu/effects/GrCoverageSetOpXP.h"
11 #include "src/gpu/effects/GrPorterDuffXferProcessor.h"
12 #include "src/gpu/effects/generated/GrSimpleTextureEffect.h"
13
GrPaint(const GrPaint & that)14 GrPaint::GrPaint(const GrPaint& that)
15 : fXPFactory(that.fXPFactory)
16 , fColorFragmentProcessors(that.fColorFragmentProcessors.count())
17 , fCoverageFragmentProcessors(that.fCoverageFragmentProcessors.count())
18 , fTrivial(that.fTrivial)
19 , fColor(that.fColor) {
20 for (int i = 0; i < that.fColorFragmentProcessors.count(); ++i) {
21 fColorFragmentProcessors.push_back(that.fColorFragmentProcessors[i]->clone());
22 SkASSERT(fColorFragmentProcessors[i]);
23 }
24 for (int i = 0; i < that.fCoverageFragmentProcessors.count(); ++i) {
25 fCoverageFragmentProcessors.push_back(that.fCoverageFragmentProcessors[i]->clone());
26 SkASSERT(fCoverageFragmentProcessors[i]);
27 }
28 }
29
setPorterDuffXPFactory(SkBlendMode mode)30 void GrPaint::setPorterDuffXPFactory(SkBlendMode mode) {
31 this->setXPFactory(GrPorterDuffXPFactory::Get(mode));
32 }
33
setCoverageSetOpXPFactory(SkRegion::Op regionOp,bool invertCoverage)34 void GrPaint::setCoverageSetOpXPFactory(SkRegion::Op regionOp, bool invertCoverage) {
35 this->setXPFactory(GrCoverageSetOpXPFactory::Get(regionOp, invertCoverage));
36 }
37
addColorTextureProcessor(sk_sp<GrTextureProxy> proxy,GrColorType srcColorType,const SkMatrix & matrix)38 void GrPaint::addColorTextureProcessor(sk_sp<GrTextureProxy> proxy, GrColorType srcColorType,
39 const SkMatrix& matrix) {
40 this->addColorFragmentProcessor(GrSimpleTextureEffect::Make(std::move(proxy), srcColorType,
41 matrix));
42 }
43
addColorTextureProcessor(sk_sp<GrTextureProxy> proxy,GrColorType srcColorType,const SkMatrix & matrix,const GrSamplerState & samplerState)44 void GrPaint::addColorTextureProcessor(sk_sp<GrTextureProxy> proxy, GrColorType srcColorType,
45 const SkMatrix& matrix, const GrSamplerState& samplerState) {
46 this->addColorFragmentProcessor(GrSimpleTextureEffect::Make(std::move(proxy), srcColorType,
47 matrix, samplerState));
48 }
49
isConstantBlendedColor(SkPMColor4f * constantColor) const50 bool GrPaint::isConstantBlendedColor(SkPMColor4f* constantColor) const {
51 // This used to do a more sophisticated analysis but now it just explicitly looks for common
52 // cases.
53 static const GrXPFactory* kSrc = GrPorterDuffXPFactory::Get(SkBlendMode::kSrc);
54 static const GrXPFactory* kClear = GrPorterDuffXPFactory::Get(SkBlendMode::kClear);
55 if (kClear == fXPFactory) {
56 *constantColor = SK_PMColor4fTRANSPARENT;
57 return true;
58 }
59 if (this->numColorFragmentProcessors()) {
60 return false;
61 }
62 if (kSrc == fXPFactory || (!fXPFactory && fColor.isOpaque())) {
63 *constantColor = fColor;
64 return true;
65 }
66 return false;
67 }
68