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/GrTextureEffect.h"
13
14GrPaint::GrPaint(const GrPaint& that)
15 : fXPFactory(that.fXPFactory)
16 , fTrivial(that.fTrivial)
17 , fColor(that.fColor) {
18 if (that.fColorFragmentProcessor) {
19 fColorFragmentProcessor = that.fColorFragmentProcessor->clone();
20 SkASSERT(fColorFragmentProcessor);
21 }
22 if (that.fCoverageFragmentProcessor) {
23 fCoverageFragmentProcessor = that.fCoverageFragmentProcessor->clone();
24 SkASSERT(fCoverageFragmentProcessor);
25 }
26}
27
28void GrPaint::setPorterDuffXPFactory(SkBlendMode mode) {
29 this->setXPFactory(GrPorterDuffXPFactory::Get(mode));
30}
31
32void GrPaint::setCoverageSetOpXPFactory(SkRegion::Op regionOp, bool invertCoverage) {
33 this->setXPFactory(GrCoverageSetOpXPFactory::Get(regionOp, invertCoverage));
34}
35
36bool GrPaint::isConstantBlendedColor(SkPMColor4f* constantColor) const {
37 // This used to do a more sophisticated analysis but now it just explicitly looks for common
38 // cases.
39 static const GrXPFactory* kSrc = GrPorterDuffXPFactory::Get(SkBlendMode::kSrc);
40 static const GrXPFactory* kClear = GrPorterDuffXPFactory::Get(SkBlendMode::kClear);
41 if (kClear == fXPFactory) {
42 *constantColor = SK_PMColor4fTRANSPARENT;
43 return true;
44 }
45 if (this->hasColorFragmentProcessor()) {
46 return false;
47 }
48 if (kSrc == fXPFactory || (!fXPFactory && fColor.isOpaque())) {
49 *constantColor = fColor;
50 return true;
51 }
52 return false;
53}
54