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1 /* | 1 /* |
2 * Copyright 2014 Google Inc. | 2 * Copyright 2014 Google Inc. |
3 * | 3 * |
4 * Use of this source code is governed by a BSD-style license that can be | 4 * Use of this source code is governed by a BSD-style license that can be |
5 * found in the LICENSE file. | 5 * found in the LICENSE file. |
6 */ | 6 */ |
7 | 7 |
8 #include "GrStencilAndCoverTextContext.h" | 8 #include "GrStencilAndCoverTextContext.h" |
9 #include "GrDrawTarget.h" | 9 #include "GrDrawTarget.h" |
10 #include "GrGpu.h" | 10 #include "GrGpu.h" |
11 #include "GrPath.h" | 11 #include "GrPath.h" |
12 #include "GrPathRange.h" | 12 #include "GrPathRange.h" |
13 #include "SkAutoKern.h" | 13 #include "SkAutoKern.h" |
14 #include "SkDraw.h" | 14 #include "SkDraw.h" |
15 #include "SkDrawProcs.h" | 15 #include "SkDrawProcs.h" |
16 #include "SkGlyphCache.h" | 16 #include "SkGlyphCache.h" |
17 #include "SkGpuDevice.h" | 17 #include "SkGpuDevice.h" |
18 #include "SkPath.h" | 18 #include "SkPath.h" |
19 #include "SkTextMapStateProc.h" | 19 #include "SkTextMapStateProc.h" |
20 | 20 |
21 class GrStencilAndCoverTextContext::GlyphPathRange : public GrGpuObject { | 21 class GrStencilAndCoverTextContext::GlyphPathRange : public GrGpuResource { |
22 static const int kMaxGlyphCount = 1 << 16; // Glyph IDs are uint16_t's | 22 static const int kMaxGlyphCount = 1 << 16; // Glyph IDs are uint16_t's |
23 static const int kGlyphGroupSize = 16; // Glyphs get tracked in groups of 16 | 23 static const int kGlyphGroupSize = 16; // Glyphs get tracked in groups of 16 |
24 | 24 |
25 public: | 25 public: |
26 static GlyphPathRange* Create(GrContext* context, | 26 static GlyphPathRange* Create(GrContext* context, |
27 SkGlyphCache* cache, | 27 SkGlyphCache* cache, |
28 const SkStrokeRec& stroke) { | 28 const SkStrokeRec& stroke) { |
29 static const GrCacheID::Domain gGlyphPathRangeDomain = GrCacheID::Genera
teDomain(); | 29 static const GrCacheID::Domain gGlyphPathRangeDomain = GrCacheID::Genera
teDomain(); |
30 | 30 |
31 GrCacheID::Key key; | 31 GrCacheID::Key key; |
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68 const SkGlyph& skGlyph = cache->getGlyphIDMetrics(id); | 68 const SkGlyph& skGlyph = cache->getGlyphIDMetrics(id); |
69 if (const SkPath* skPath = cache->findPath(skGlyph)) { | 69 if (const SkPath* skPath = cache->findPath(skGlyph)) { |
70 fPathRange->initAt(id, *skPath); | 70 fPathRange->initAt(id, *skPath); |
71 } // GrGpu::drawPaths will silently ignore undefined paths. | 71 } // GrGpu::drawPaths will silently ignore undefined paths. |
72 } | 72 } |
73 | 73 |
74 fLoadedGlyphs[groupByte] |= groupBit; | 74 fLoadedGlyphs[groupByte] |= groupBit; |
75 this->didChangeGpuMemorySize(); | 75 this->didChangeGpuMemorySize(); |
76 } | 76 } |
77 | 77 |
78 // GrGpuObject overrides | 78 // GrGpuResource overrides |
79 virtual size_t gpuMemorySize() const SK_OVERRIDE { return fPathRange->gpuMem
orySize(); } | 79 virtual size_t gpuMemorySize() const SK_OVERRIDE { return fPathRange->gpuMem
orySize(); } |
80 | 80 |
81 private: | 81 private: |
82 GlyphPathRange(GrContext* context, const SkDescriptor& desc, const SkStrokeR
ec& stroke) | 82 GlyphPathRange(GrContext* context, const SkDescriptor& desc, const SkStrokeR
ec& stroke) |
83 : INHERITED(context->getGpu(), false) | 83 : INHERITED(context->getGpu(), false) |
84 , fDesc(desc.copy()) | 84 , fDesc(desc.copy()) |
85 // We reserve a range of kMaxGlyphCount paths because of fallbacks fonts
. We | 85 // We reserve a range of kMaxGlyphCount paths because of fallbacks fonts
. We |
86 // can't know exactly how many glyphs we might need without preloading e
very | 86 // can't know exactly how many glyphs we might need without preloading e
very |
87 // fallback, which we don't want to do at this point. | 87 // fallback, which we don't want to do at this point. |
88 , fPathRange(context->getGpu()->createPathRange(kMaxGlyphCount, stroke))
{ | 88 , fPathRange(context->getGpu()->createPathRange(kMaxGlyphCount, stroke))
{ |
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104 fPathRange->abandon(); | 104 fPathRange->abandon(); |
105 fPathRange.reset(NULL); | 105 fPathRange.reset(NULL); |
106 } | 106 } |
107 | 107 |
108 | 108 |
109 static const int kMaxGroupCount = (kMaxGlyphCount + (kGlyphGroupSize - 1)) /
kGlyphGroupSize; | 109 static const int kMaxGroupCount = (kMaxGlyphCount + (kGlyphGroupSize - 1)) /
kGlyphGroupSize; |
110 SkDescriptor* const fDesc; | 110 SkDescriptor* const fDesc; |
111 uint8_t fLoadedGlyphs[(kMaxGroupCount + 7) >> 3]; // One bit per glyph group | 111 uint8_t fLoadedGlyphs[(kMaxGroupCount + 7) >> 3]; // One bit per glyph group |
112 SkAutoTUnref<GrPathRange> fPathRange; | 112 SkAutoTUnref<GrPathRange> fPathRange; |
113 | 113 |
114 typedef GrGpuObject INHERITED; | 114 typedef GrGpuResource INHERITED; |
115 }; | 115 }; |
116 | 116 |
117 | 117 |
118 GrStencilAndCoverTextContext::GrStencilAndCoverTextContext( | 118 GrStencilAndCoverTextContext::GrStencilAndCoverTextContext( |
119 GrContext* context, const SkDeviceProperties& properties) | 119 GrContext* context, const SkDeviceProperties& properties) |
120 : GrTextContext(context, properties) | 120 : GrTextContext(context, properties) |
121 , fStroke(SkStrokeRec::kFill_InitStyle) | 121 , fStroke(SkStrokeRec::kFill_InitStyle) |
122 , fPendingGlyphCount(0) { | 122 , fPendingGlyphCount(0) { |
123 } | 123 } |
124 | 124 |
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418 fGlyphCache = NULL; | 418 fGlyphCache = NULL; |
419 | 419 |
420 fDrawTarget->drawState()->stencil()->setDisabled(); | 420 fDrawTarget->drawState()->stencil()->setDisabled(); |
421 fStateRestore.set(NULL); | 421 fStateRestore.set(NULL); |
422 if (fNeedsDeviceSpaceGlyphs) { | 422 if (fNeedsDeviceSpaceGlyphs) { |
423 fContext->setMatrix(fGlyphTransform); | 423 fContext->setMatrix(fGlyphTransform); |
424 } | 424 } |
425 GrTextContext::finish(); | 425 GrTextContext::finish(); |
426 } | 426 } |
427 | 427 |
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