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

Issue 142543007: Revert of r13384 (Stateful PathRenderer implementation) (Closed) Base URL: http://skia.googlecode.com/svn/trunk/
Patch Set: Created 6 years, 10 months ago
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1 1
2 /* 2 /*
3 * Copyright 2012 Google Inc. 3 * Copyright 2012 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 "GrStencilAndCoverPathRenderer.h" 10 #include "GrStencilAndCoverPathRenderer.h"
(...skipping 16 matching lines...) Expand all
27 GrStencilAndCoverPathRenderer::GrStencilAndCoverPathRenderer(GrGpu* gpu) { 27 GrStencilAndCoverPathRenderer::GrStencilAndCoverPathRenderer(GrGpu* gpu) {
28 SkASSERT(gpu->caps()->pathRenderingSupport()); 28 SkASSERT(gpu->caps()->pathRenderingSupport());
29 fGpu = gpu; 29 fGpu = gpu;
30 gpu->ref(); 30 gpu->ref();
31 } 31 }
32 32
33 GrStencilAndCoverPathRenderer::~GrStencilAndCoverPathRenderer() { 33 GrStencilAndCoverPathRenderer::~GrStencilAndCoverPathRenderer() {
34 fGpu->unref(); 34 fGpu->unref();
35 } 35 }
36 36
37 bool GrStencilAndCoverPathRenderer::canDrawPath(const SkStrokeRec& stroke, 37 bool GrStencilAndCoverPathRenderer::canDrawPath(const SkPath& path,
38 const SkStrokeRec& stroke,
38 const GrDrawTarget* target, 39 const GrDrawTarget* target,
39 bool antiAlias) const { 40 bool antiAlias) const {
40 return !stroke.isHairlineStyle() && 41 return !stroke.isHairlineStyle() &&
41 !antiAlias && // doesn't do per-path AA, relies on the target having MSAA 42 !antiAlias && // doesn't do per-path AA, relies on the target having MSAA
42 NULL != target->getDrawState().getRenderTarget()->getStencilBuffer() && 43 NULL != target->getDrawState().getRenderTarget()->getStencilBuffer() &&
43 target->getDrawState().getStencil().isDisabled(); 44 target->getDrawState().getStencil().isDisabled();
44 } 45 }
45 46
46 GrPathRenderer::StencilSupport GrStencilAndCoverPathRenderer::onGetStencilSuppor t( 47 GrPathRenderer::StencilSupport GrStencilAndCoverPathRenderer::onGetStencilSuppor t(
48 const SkPath&,
47 const SkStrokeRec& , 49 const SkStrokeRec& ,
48 const GrDrawTarget*) con st { 50 const GrDrawTarget*) con st {
49 return GrPathRenderer::kStencilOnly_StencilSupport; 51 return GrPathRenderer::kStencilOnly_StencilSupport;
50 } 52 }
51 53
52 void GrStencilAndCoverPathRenderer::onStencilPath(const SkStrokeRec& stroke, 54 void GrStencilAndCoverPathRenderer::onStencilPath(const SkPath& path,
55 const SkStrokeRec& stroke,
53 GrDrawTarget* target) { 56 GrDrawTarget* target) {
54 SkASSERT(!this->path().isInverseFillType()); 57 SkASSERT(!path.isInverseFillType());
55 SkAutoTUnref<GrPath> p(fGpu->getContext()->createPath(this->path(), stroke)) ; 58 SkAutoTUnref<GrPath> p(fGpu->getContext()->createPath(path, stroke));
56 target->stencilPath(p, this->path().getFillType()); 59 target->stencilPath(p, path.getFillType());
57 } 60 }
58 61
59 bool GrStencilAndCoverPathRenderer::onDrawPath(const SkStrokeRec& stroke, 62 bool GrStencilAndCoverPathRenderer::onDrawPath(const SkPath& path,
63 const SkStrokeRec& stroke,
60 GrDrawTarget* target, 64 GrDrawTarget* target,
61 bool antiAlias) { 65 bool antiAlias) {
62 SkASSERT(!antiAlias); 66 SkASSERT(!antiAlias);
63 SkASSERT(!stroke.isHairlineStyle()); 67 SkASSERT(!stroke.isHairlineStyle());
64 68
65 GrDrawState* drawState = target->drawState(); 69 GrDrawState* drawState = target->drawState();
66 SkASSERT(drawState->getStencil().isDisabled()); 70 SkASSERT(drawState->getStencil().isDisabled());
67 71
68 SkAutoTUnref<GrPath> p(fGpu->getContext()->createPath(this->path(), stroke)) ; 72 SkAutoTUnref<GrPath> p(fGpu->getContext()->createPath(path, stroke));
69 73
70 if (this->path().isInverseFillType()) { 74 if (path.isInverseFillType()) {
71 GR_STATIC_CONST_SAME_STENCIL(kInvertedStencilPass, 75 GR_STATIC_CONST_SAME_STENCIL(kInvertedStencilPass,
72 kZero_StencilOp, 76 kZero_StencilOp,
73 kZero_StencilOp, 77 kZero_StencilOp,
74 // We know our rect will hit pixels outside the clip and the user bi ts will be 0 78 // We know our rect will hit pixels outside the clip and the user bi ts will be 0
75 // outside the clip. So we can't just fill where the user bits are 0 . We also need to 79 // outside the clip. So we can't just fill where the user bits are 0 . We also need to
76 // check that the clip bit is set. 80 // check that the clip bit is set.
77 kEqualIfInClip_StencilFunc, 81 kEqualIfInClip_StencilFunc,
78 0xffff, 82 0xffff,
79 0x0000, 83 0x0000,
80 0xffff); 84 0xffff);
81 85
82 *drawState->stencil() = kInvertedStencilPass; 86 *drawState->stencil() = kInvertedStencilPass;
83 } else { 87 } else {
84 GR_STATIC_CONST_SAME_STENCIL(kStencilPass, 88 GR_STATIC_CONST_SAME_STENCIL(kStencilPass,
85 kZero_StencilOp, 89 kZero_StencilOp,
86 kZero_StencilOp, 90 kZero_StencilOp,
87 kNotEqual_StencilFunc, 91 kNotEqual_StencilFunc,
88 0xffff, 92 0xffff,
89 0x0000, 93 0x0000,
90 0xffff); 94 0xffff);
91 95
92 *drawState->stencil() = kStencilPass; 96 *drawState->stencil() = kStencilPass;
93 } 97 }
94 98
95 target->drawPath(p, this->path().getFillType()); 99 target->drawPath(p, path.getFillType());
96 100
97 target->drawState()->stencil()->setDisabled(); 101 target->drawState()->stencil()->setDisabled();
98 return true; 102 return true;
99 } 103 }
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