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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" |
11 #include "GrContext.h" | 11 #include "GrContext.h" |
12 #include "GrDrawTargetCaps.h" | 12 #include "GrDrawTargetCaps.h" |
13 #include "GrGpu.h" | 13 #include "GrGpu.h" |
14 #include "GrPath.h" | 14 #include "GrPath.h" |
15 #include "SkStrokeRec.h" | 15 #include "SkStrokeRec.h" |
16 | 16 |
17 GrPathRenderer* GrStencilAndCoverPathRenderer::Create(GrContext* context) { | 17 GrPathRenderer* GrStencilAndCoverPathRenderer::Create(GrContext* context) { |
18 SkASSERT(NULL != context); | 18 SkASSERT(context); |
19 SkASSERT(NULL != context->getGpu()); | 19 SkASSERT(context->getGpu()); |
20 if (context->getGpu()->caps()->pathRenderingSupport()) { | 20 if (context->getGpu()->caps()->pathRenderingSupport()) { |
21 return SkNEW_ARGS(GrStencilAndCoverPathRenderer, (context->getGpu())); | 21 return SkNEW_ARGS(GrStencilAndCoverPathRenderer, (context->getGpu())); |
22 } else { | 22 } else { |
23 return NULL; | 23 return NULL; |
24 } | 24 } |
25 } | 25 } |
26 | 26 |
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 SkPath& path, | 37 bool GrStencilAndCoverPathRenderer::canDrawPath(const SkPath& path, |
38 const SkStrokeRec& stroke, | 38 const SkStrokeRec& stroke, |
39 const GrDrawTarget* target, | 39 const GrDrawTarget* target, |
40 bool antiAlias) const { | 40 bool antiAlias) const { |
41 return !stroke.isHairlineStyle() && | 41 return !stroke.isHairlineStyle() && |
42 !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 |
43 NULL != target->getDrawState().getRenderTarget()->getStencilBuffer()
&& | 43 target->getDrawState().getRenderTarget()->getStencilBuffer() && |
44 target->getDrawState().getStencil().isDisabled(); | 44 target->getDrawState().getStencil().isDisabled(); |
45 } | 45 } |
46 | 46 |
47 GrPathRenderer::StencilSupport GrStencilAndCoverPathRenderer::onGetStencilSuppor
t( | 47 GrPathRenderer::StencilSupport GrStencilAndCoverPathRenderer::onGetStencilSuppor
t( |
48 const SkPath&, | 48 const SkPath&, |
49 const SkStrokeRec& , | 49 const SkStrokeRec& , |
50 const GrDrawTarget*) con
st { | 50 const GrDrawTarget*) con
st { |
51 return GrPathRenderer::kStencilOnly_StencilSupport; | 51 return GrPathRenderer::kStencilOnly_StencilSupport; |
52 } | 52 } |
53 | 53 |
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94 0xffff); | 94 0xffff); |
95 | 95 |
96 *drawState->stencil() = kStencilPass; | 96 *drawState->stencil() = kStencilPass; |
97 } | 97 } |
98 | 98 |
99 target->drawPath(p, path.getFillType()); | 99 target->drawPath(p, path.getFillType()); |
100 | 100 |
101 target->drawState()->stencil()->setDisabled(); | 101 target->drawState()->stencil()->setDisabled(); |
102 return true; | 102 return true; |
103 } | 103 } |
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