| OLD | NEW |
| 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 GrAssert(NULL != context); | 18 SkASSERT(NULL != context); |
| 19 GrAssert(NULL != context->getGpu()); | 19 SkASSERT(NULL != context->getGpu()); |
| 20 if (context->getGpu()->caps()->pathStencilingSupport()) { | 20 if (context->getGpu()->caps()->pathStencilingSupport()) { |
| 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 GrAssert(gpu->caps()->pathStencilingSupport()); | 28 SkASSERT(gpu->caps()->pathStencilingSupport()); |
| 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.isFillStyle() && | 41 return stroke.isFillStyle() && |
| 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 target->getDrawState().getStencil().isDisabled(); | 43 target->getDrawState().getStencil().isDisabled(); |
| 44 } | 44 } |
| 45 | 45 |
| 46 GrPathRenderer::StencilSupport GrStencilAndCoverPathRenderer::onGetStencilSuppor
t( | 46 GrPathRenderer::StencilSupport GrStencilAndCoverPathRenderer::onGetStencilSuppor
t( |
| 47 const SkPath&, | 47 const SkPath&, |
| 48 const SkStrokeRec& , | 48 const SkStrokeRec& , |
| 49 const GrDrawTarget*) con
st { | 49 const GrDrawTarget*) con
st { |
| 50 return GrPathRenderer::kStencilOnly_StencilSupport; | 50 return GrPathRenderer::kStencilOnly_StencilSupport; |
| 51 } | 51 } |
| 52 | 52 |
| 53 void GrStencilAndCoverPathRenderer::onStencilPath(const SkPath& path, | 53 void GrStencilAndCoverPathRenderer::onStencilPath(const SkPath& path, |
| 54 const SkStrokeRec& stroke, | 54 const SkStrokeRec& stroke, |
| 55 GrDrawTarget* target) { | 55 GrDrawTarget* target) { |
| 56 GrAssert(!path.isInverseFillType()); | 56 SkASSERT(!path.isInverseFillType()); |
| 57 SkAutoTUnref<GrPath> p(fGpu->createPath(path)); | 57 SkAutoTUnref<GrPath> p(fGpu->createPath(path)); |
| 58 target->stencilPath(p, stroke, path.getFillType()); | 58 target->stencilPath(p, stroke, path.getFillType()); |
| 59 } | 59 } |
| 60 | 60 |
| 61 bool GrStencilAndCoverPathRenderer::onDrawPath(const SkPath& path, | 61 bool GrStencilAndCoverPathRenderer::onDrawPath(const SkPath& path, |
| 62 const SkStrokeRec& stroke, | 62 const SkStrokeRec& stroke, |
| 63 GrDrawTarget* target, | 63 GrDrawTarget* target, |
| 64 bool antiAlias) { | 64 bool antiAlias) { |
| 65 GrAssert(!antiAlias); | 65 SkASSERT(!antiAlias); |
| 66 GrAssert(!stroke.isHairlineStyle()); | 66 SkASSERT(!stroke.isHairlineStyle()); |
| 67 | 67 |
| 68 GrDrawState* drawState = target->drawState(); | 68 GrDrawState* drawState = target->drawState(); |
| 69 GrAssert(drawState->getStencil().isDisabled()); | 69 SkASSERT(drawState->getStencil().isDisabled()); |
| 70 | 70 |
| 71 SkAutoTUnref<GrPath> p(fGpu->createPath(path)); | 71 SkAutoTUnref<GrPath> p(fGpu->createPath(path)); |
| 72 | 72 |
| 73 SkPath::FillType nonInvertedFill = SkPath::ConvertToNonInverseFillType(path.
getFillType()); | 73 SkPath::FillType nonInvertedFill = SkPath::ConvertToNonInverseFillType(path.
getFillType()); |
| 74 target->stencilPath(p, stroke, nonInvertedFill); | 74 target->stencilPath(p, stroke, nonInvertedFill); |
| 75 | 75 |
| 76 // TODO: Use built in cover operation rather than a rect draw. This will req
uire making our | 76 // TODO: Use built in cover operation rather than a rect draw. This will req
uire making our |
| 77 // fragment shaders be able to eat varyings generated by a matrix. | 77 // fragment shaders be able to eat varyings generated by a matrix. |
| 78 | 78 |
| 79 // fill the path, zero out the stencil | 79 // fill the path, zero out the stencil |
| (...skipping 34 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... |
| 114 avmr.setIdentity(drawState); | 114 avmr.setIdentity(drawState); |
| 115 bloat = 0; | 115 bloat = 0; |
| 116 } | 116 } |
| 117 *drawState->stencil() = kInvertedStencilPass; | 117 *drawState->stencil() = kInvertedStencilPass; |
| 118 } | 118 } |
| 119 bounds.outset(bloat, bloat); | 119 bounds.outset(bloat, bloat); |
| 120 target->drawSimpleRect(bounds, NULL); | 120 target->drawSimpleRect(bounds, NULL); |
| 121 target->drawState()->stencil()->setDisabled(); | 121 target->drawState()->stencil()->setDisabled(); |
| 122 return true; | 122 return true; |
| 123 } | 123 } |
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