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 , fDisableOutputConversionToSRGB(that.fDisableOutputConversionToSRGB)
19 , fAllowSRGBInputs(that.fAllowSRGBInputs)
20 , fTrivial(that.fTrivial)
21 , fColor(that.fColor) {
22 for (int i = 0; i < that.fColorFragmentProcessors.count(); ++i) {
23 fColorFragmentProcessors.push_back(that.fColorFragmentProcessors[i]->clone());
24 SkASSERT(fColorFragmentProcessors[i]);
25 }
26 for (int i = 0; i < that.fCoverageFragmentProcessors.count(); ++i) {
27 fCoverageFragmentProcessors.push_back(that.fCoverageFragmentProcessors[i]->clone());
28 SkASSERT(fCoverageFragmentProcessors[i]);
29 }
30 }
31
setPorterDuffXPFactory(SkBlendMode mode)32 void GrPaint::setPorterDuffXPFactory(SkBlendMode mode) {
33 this->setXPFactory(GrPorterDuffXPFactory::Get(mode));
34 }
35
setCoverageSetOpXPFactory(SkRegion::Op regionOp,bool invertCoverage)36 void GrPaint::setCoverageSetOpXPFactory(SkRegion::Op regionOp, bool invertCoverage) {
37 this->setXPFactory(GrCoverageSetOpXPFactory::Get(regionOp, invertCoverage));
38 }
39
addColorTextureProcessor(sk_sp<GrTextureProxy> proxy,const SkMatrix & matrix)40 void GrPaint::addColorTextureProcessor(sk_sp<GrTextureProxy> proxy, const SkMatrix& matrix) {
41 this->addColorFragmentProcessor(GrSimpleTextureEffect::Make(std::move(proxy), matrix));
42 }
43
addColorTextureProcessor(sk_sp<GrTextureProxy> proxy,const SkMatrix & matrix,const GrSamplerState & samplerState)44 void GrPaint::addColorTextureProcessor(sk_sp<GrTextureProxy> proxy, const SkMatrix& matrix,
45 const GrSamplerState& samplerState) {
46 this->addColorFragmentProcessor(GrSimpleTextureEffect::Make(std::move(proxy), matrix,
47 samplerState));
48 }
49
addCoverageTextureProcessor(sk_sp<GrTextureProxy> proxy,const SkMatrix & matrix)50 void GrPaint::addCoverageTextureProcessor(sk_sp<GrTextureProxy> proxy,
51 const SkMatrix& matrix) {
52 this->addCoverageFragmentProcessor(GrSimpleTextureEffect::Make(std::move(proxy), matrix));
53 }
54
addCoverageTextureProcessor(sk_sp<GrTextureProxy> proxy,const SkMatrix & matrix,const GrSamplerState & params)55 void GrPaint::addCoverageTextureProcessor(sk_sp<GrTextureProxy> proxy,
56 const SkMatrix& matrix,
57 const GrSamplerState& params) {
58 this->addCoverageFragmentProcessor(GrSimpleTextureEffect::Make(std::move(proxy), matrix,
59 params));
60 }
61
isConstantBlendedColor(GrColor * constantColor) const62 bool GrPaint::isConstantBlendedColor(GrColor* constantColor) const {
63 // This used to do a more sophisticated analysis but now it just explicitly looks for common
64 // cases.
65 static const GrXPFactory* kSrc = GrPorterDuffXPFactory::Get(SkBlendMode::kSrc);
66 static const GrXPFactory* kClear = GrPorterDuffXPFactory::Get(SkBlendMode::kClear);
67 if (kClear == fXPFactory) {
68 *constantColor = GrColor_TRANSPARENT_BLACK;
69 return true;
70 }
71 if (this->numColorFragmentProcessors()) {
72 return false;
73 }
74 if (kSrc == fXPFactory || (!fXPFactory && fColor.isOpaque())) {
75 *constantColor = fColor.toGrColor();
76 return true;
77 }
78 return false;
79 }
80