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Side by Side Diff: src/gpu/GrPathRendererChain.cpp

Issue 1416113006: Minor cleanup of clip mask manager (Closed) Base URL: https://skia.googlesource.com/skia.git@master
Patch Set: Created 5 years, 1 month ago
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1 1
2 /* 2 /*
3 * Copyright 2011 Google Inc. 3 * Copyright 2011 Google Inc.
4 * 4 *
5 * Use of this source code is governed by a BSD-style license that can be 5 * Use of this source code is governed by a BSD-style license that can be
6 * found in the LICENSE file. 6 * found in the LICENSE file.
7 */ 7 */
8 8
9 9
10 #include "GrPathRendererChain.h" 10 #include "GrPathRendererChain.h"
11 11
12 #include "GrCaps.h" 12 #include "GrCaps.h"
13 #include "GrContext.h" 13 #include "GrContext.h"
14 #include "GrGpu.h" 14 #include "GrGpu.h"
15 15
16 #include "batches/GrAAConvexPathRenderer.h" 16 #include "batches/GrAAConvexPathRenderer.h"
17 #include "batches/GrAADistanceFieldPathRenderer.h" 17 #include "batches/GrAADistanceFieldPathRenderer.h"
18 #include "batches/GrAAHairLinePathRenderer.h" 18 #include "batches/GrAAHairLinePathRenderer.h"
19 #include "batches/GrAALinearizingConvexPathRenderer.h" 19 #include "batches/GrAALinearizingConvexPathRenderer.h"
20 #include "batches/GrDashLinePathRenderer.h" 20 #include "batches/GrDashLinePathRenderer.h"
21 #include "batches/GrDefaultPathRenderer.h" 21 #include "batches/GrDefaultPathRenderer.h"
22 #include "batches/GrStencilAndCoverPathRenderer.h" 22 #include "batches/GrStencilAndCoverPathRenderer.h"
23 #include "batches/GrTessellatingPathRenderer.h" 23 #include "batches/GrTessellatingPathRenderer.h"
24 24
25 GrPathRendererChain::GrPathRendererChain(GrContext* context) 25 GrPathRendererChain::GrPathRendererChain(GrContext* context) {
26 : fInit(false) 26 const GrCaps& caps = *context->caps();
27 , fOwner(context) { 27 this->addPathRenderer(new GrDashLinePathRenderer)->unref();
28
29 if (GrPathRenderer* pr = GrStencilAndCoverPathRenderer::Create(context->reso urceProvider(),
30 caps)) {
31 this->addPathRenderer(pr)->unref();
32 }
33 this->addPathRenderer(new GrTessellatingPathRenderer)->unref();
34 this->addPathRenderer(new GrAAHairLinePathRenderer)->unref();
35 this->addPathRenderer(new GrAAConvexPathRenderer)->unref();
36 this->addPathRenderer(new GrAALinearizingConvexPathRenderer)->unref();
37 this->addPathRenderer(new GrAADistanceFieldPathRenderer)->unref();
38 this->addPathRenderer(new GrDefaultPathRenderer(caps.twoSidedStencilSupport( ),
39 caps.stencilWrapOpsSupport() ))->unref();
28 } 40 }
29 41
30 GrPathRendererChain::~GrPathRendererChain() { 42 GrPathRendererChain::~GrPathRendererChain() {
31 for (int i = 0; i < fChain.count(); ++i) { 43 for (int i = 0; i < fChain.count(); ++i) {
32 fChain[i]->unref(); 44 fChain[i]->unref();
33 } 45 }
34 } 46 }
35 47
36 GrPathRenderer* GrPathRendererChain::addPathRenderer(GrPathRenderer* pr) { 48 GrPathRenderer* GrPathRendererChain::addPathRenderer(GrPathRenderer* pr) {
37 fChain.push_back() = pr; 49 fChain.push_back() = pr;
38 pr->ref(); 50 pr->ref();
39 return pr; 51 return pr;
40 } 52 }
41 53
42 GrPathRenderer* GrPathRendererChain::getPathRenderer(const GrPathRenderer::CanDr awPathArgs& args, 54 GrPathRenderer* GrPathRendererChain::getPathRenderer(const GrPathRenderer::CanDr awPathArgs& args,
43 DrawType drawType, 55 DrawType drawType,
44 GrPathRenderer::StencilSupp ort* stencilSupport) { 56 GrPathRenderer::StencilSupp ort* stencilSupport) {
45 if (!fInit) {
46 this->init();
47 }
48
49 GR_STATIC_ASSERT(GrPathRenderer::kNoSupport_StencilSupport < 57 GR_STATIC_ASSERT(GrPathRenderer::kNoSupport_StencilSupport <
50 GrPathRenderer::kStencilOnly_StencilSupport); 58 GrPathRenderer::kStencilOnly_StencilSupport);
51 GR_STATIC_ASSERT(GrPathRenderer::kStencilOnly_StencilSupport < 59 GR_STATIC_ASSERT(GrPathRenderer::kStencilOnly_StencilSupport <
52 GrPathRenderer::kNoRestriction_StencilSupport); 60 GrPathRenderer::kNoRestriction_StencilSupport);
53 GrPathRenderer::StencilSupport minStencilSupport; 61 GrPathRenderer::StencilSupport minStencilSupport;
54 if (kStencilOnly_DrawType == drawType) { 62 if (kStencilOnly_DrawType == drawType) {
55 minStencilSupport = GrPathRenderer::kStencilOnly_StencilSupport; 63 minStencilSupport = GrPathRenderer::kStencilOnly_StencilSupport;
56 } else if (kStencilAndColor_DrawType == drawType || 64 } else if (kStencilAndColor_DrawType == drawType ||
57 kStencilAndColorAntiAlias_DrawType == drawType) { 65 kStencilAndColorAntiAlias_DrawType == drawType) {
58 minStencilSupport = GrPathRenderer::kNoRestriction_StencilSupport; 66 minStencilSupport = GrPathRenderer::kNoRestriction_StencilSupport;
59 } else { 67 } else {
60 minStencilSupport = GrPathRenderer::kNoSupport_StencilSupport; 68 minStencilSupport = GrPathRenderer::kNoSupport_StencilSupport;
61 } 69 }
62 70
63
64 for (int i = 0; i < fChain.count(); ++i) { 71 for (int i = 0; i < fChain.count(); ++i) {
65 if (fChain[i]->canDrawPath(args)) { 72 if (fChain[i]->canDrawPath(args)) {
66 if (GrPathRenderer::kNoSupport_StencilSupport != minStencilSupport) { 73 if (GrPathRenderer::kNoSupport_StencilSupport != minStencilSupport) {
67 GrPathRenderer::StencilSupport support = 74 GrPathRenderer::StencilSupport support =
68 fChain[i]->getStencilSupport(*args.fPath , *args.fStroke); 75 fChain[i]->getStencilSupport(*args.fPath , *args.fStroke);
69 if (support < minStencilSupport) { 76 if (support < minStencilSupport) {
70 continue; 77 continue;
71 } else if (stencilSupport) { 78 } else if (stencilSupport) {
72 *stencilSupport = support; 79 *stencilSupport = support;
73 } 80 }
74 } 81 }
75 return fChain[i]; 82 return fChain[i];
76 } 83 }
77 } 84 }
78 return nullptr; 85 return nullptr;
79 } 86 }
80
81 void GrPathRendererChain::init() {
82 SkASSERT(!fInit);
83 const GrCaps& caps = *fOwner->caps();
84 this->addPathRenderer(new GrDashLinePathRenderer)->unref();
85
86 if (GrPathRenderer* pr = GrStencilAndCoverPathRenderer::Create(fOwner->resou rceProvider(),
87 caps)) {
88 this->addPathRenderer(pr)->unref();
89 }
90 this->addPathRenderer(new GrTessellatingPathRenderer)->unref();
91 this->addPathRenderer(new GrAAHairLinePathRenderer)->unref();
92 this->addPathRenderer(new GrAAConvexPathRenderer)->unref();
93 this->addPathRenderer(new GrAALinearizingConvexPathRenderer)->unref();
94 this->addPathRenderer(new GrAADistanceFieldPathRenderer)->unref();
95 this->addPathRenderer(new GrDefaultPathRenderer(caps.twoSidedStencilSupport( ),
96 caps.stencilWrapOpsSupport() ))->unref();
97 fInit = true;
98 }
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