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 "GrPaint.h"
9 #include "GrXferProcessor.h"
10 #include "effects/GrCoverageSetOpXP.h"
11 #include "effects/GrPorterDuffXferProcessor.h"
12 #include "effects/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,const SkMatrix & matrix)38 void GrPaint::addColorTextureProcessor(sk_sp<GrTextureProxy> proxy, const SkMatrix& matrix) {
39 this->addColorFragmentProcessor(GrSimpleTextureEffect::Make(std::move(proxy), matrix));
40 }
41
addColorTextureProcessor(sk_sp<GrTextureProxy> proxy,const SkMatrix & matrix,const GrSamplerState & samplerState)42 void GrPaint::addColorTextureProcessor(sk_sp<GrTextureProxy> proxy, const SkMatrix& matrix,
43 const GrSamplerState& samplerState) {
44 this->addColorFragmentProcessor(GrSimpleTextureEffect::Make(std::move(proxy), matrix,
45 samplerState));
46 }
47
addCoverageTextureProcessor(sk_sp<GrTextureProxy> proxy,const SkMatrix & matrix)48 void GrPaint::addCoverageTextureProcessor(sk_sp<GrTextureProxy> proxy,
49 const SkMatrix& matrix) {
50 this->addCoverageFragmentProcessor(GrSimpleTextureEffect::Make(std::move(proxy), matrix));
51 }
52
addCoverageTextureProcessor(sk_sp<GrTextureProxy> proxy,const SkMatrix & matrix,const GrSamplerState & params)53 void GrPaint::addCoverageTextureProcessor(sk_sp<GrTextureProxy> proxy,
54 const SkMatrix& matrix,
55 const GrSamplerState& params) {
56 this->addCoverageFragmentProcessor(GrSimpleTextureEffect::Make(std::move(proxy), matrix,
57 params));
58 }
59
isConstantBlendedColor(SkPMColor4f * constantColor) const60 bool GrPaint::isConstantBlendedColor(SkPMColor4f* constantColor) const {
61 // This used to do a more sophisticated analysis but now it just explicitly looks for common
62 // cases.
63 static const GrXPFactory* kSrc = GrPorterDuffXPFactory::Get(SkBlendMode::kSrc);
64 static const GrXPFactory* kClear = GrPorterDuffXPFactory::Get(SkBlendMode::kClear);
65 if (kClear == fXPFactory) {
66 *constantColor = SK_PMColor4fTRANSPARENT;
67 return true;
68 }
69 if (this->numColorFragmentProcessors()) {
70 return false;
71 }
72 if (kSrc == fXPFactory || (!fXPFactory && fColor.isOpaque())) {
73 *constantColor = fColor;
74 return true;
75 }
76 return false;
77 }
78