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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 "GrLayerCache.h" | 8 #include "GrLayerCache.h" |
9 #include "GrLayerHoister.h" | 9 #include "GrLayerHoister.h" |
10 #include "SkPictureRangePlayback.h" | |
11 #include "SkCanvas.h" | 10 #include "SkCanvas.h" |
| 11 #include "SkRecordDraw.h" |
12 #include "SkSurface.h" | 12 #include "SkSurface.h" |
13 | 13 |
14 // Return true if any layers are suitable for hoisting | 14 // Return true if any layers are suitable for hoisting |
15 bool GrLayerHoister::FindLayersToHoist(const GrAccelData *gpuData, | 15 bool GrLayerHoister::FindLayersToHoist(const GrAccelData *gpuData, |
16 const SkRect& query, | 16 const SkRect& query, |
17 bool pullForward[]) { | 17 bool pullForward[]) { |
18 bool anyHoisted = false; | 18 bool anyHoisted = false; |
19 | 19 |
20 // Layer hoisting pre-renders the entire layer since it will be cached and p
otentially | 20 // Layer hoisting pre-renders the entire layer since it will be cached and p
otentially |
21 // reused with different clips (e.g., in different tiles). Because of this t
he | 21 // reused with different clips (e.g., in different tiles). Because of this t
he |
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87 // Since 'clear' doesn't respect the clip we need to draw a rect | 87 // Since 'clear' doesn't respect the clip we need to draw a rect |
88 // TODO: ensure none of the atlased layers contain a clear call! | 88 // TODO: ensure none of the atlased layers contain a clear call! |
89 atlasCanvas->drawRect(bound, paint); | 89 atlasCanvas->drawRect(bound, paint); |
90 | 90 |
91 // info.fCTM maps the layer's top/left to the origin. | 91 // info.fCTM maps the layer's top/left to the origin. |
92 // Since this layer is atlased, the top/left corner needs | 92 // Since this layer is atlased, the top/left corner needs |
93 // to be offset to the correct location in the backing texture. | 93 // to be offset to the correct location in the backing texture. |
94 atlasCanvas->translate(bound.fLeft, bound.fTop); | 94 atlasCanvas->translate(bound.fLeft, bound.fTop); |
95 atlasCanvas->concat(layer->ctm()); | 95 atlasCanvas->concat(layer->ctm()); |
96 | 96 |
97 SkPictureRangePlayback rangePlayback(picture, | 97 SkRecordPartialDraw(*picture->fRecord.get(), atlasCanvas, bound, |
98 layer->start(), | 98 layer->start(), layer->stop()); |
99 layer->stop()); | |
100 rangePlayback.draw(atlasCanvas, NULL); | |
101 | 99 |
102 atlasCanvas->restore(); | 100 atlasCanvas->restore(); |
103 } | 101 } |
104 | 102 |
105 atlasCanvas->flush(); | 103 atlasCanvas->flush(); |
106 } | 104 } |
107 | 105 |
108 // Render the non-atlased layers that require it | 106 // Render the non-atlased layers that require it |
109 for (int i = 0; i < nonAtlased.count(); ++i) { | 107 for (int i = 0; i < nonAtlased.count(); ++i) { |
110 GrCachedLayer* layer = nonAtlased[i]; | 108 GrCachedLayer* layer = nonAtlased[i]; |
111 | 109 |
112 // Each non-atlased layer has its own GrTexture | 110 // Each non-atlased layer has its own GrTexture |
113 SkAutoTUnref<SkSurface> surface(SkSurface::NewRenderTargetDirect( | 111 SkAutoTUnref<SkSurface> surface(SkSurface::NewRenderTargetDirect( |
114 layer->texture()->asRenderTarget(), | 112 layer->texture()->asRenderTarget
(), |
115 SkSurface::kStandard_TextRenderMode, | 113 SkSurface::kStandard_TextRenderM
ode, |
116 SkSurface::kDontClear_RenderTargetFlag)); | 114 SkSurface::kDontClear_RenderTarg
etFlag)); |
117 | 115 |
118 SkCanvas* layerCanvas = surface->getCanvas(); | 116 SkCanvas* layerCanvas = surface->getCanvas(); |
119 | 117 |
120 // Add a rect clip to make sure the rendering doesn't | 118 // Add a rect clip to make sure the rendering doesn't |
121 // extend beyond the boundaries of the atlased sub-rect | 119 // extend beyond the boundaries of the atlased sub-rect |
122 SkRect bound = SkRect::MakeXYWH(SkIntToScalar(layer->rect().fLeft), | 120 SkRect bound = SkRect::MakeXYWH(SkIntToScalar(layer->rect().fLeft), |
123 SkIntToScalar(layer->rect().fTop), | 121 SkIntToScalar(layer->rect().fTop), |
124 SkIntToScalar(layer->rect().width()), | 122 SkIntToScalar(layer->rect().width()), |
125 SkIntToScalar(layer->rect().height())); | 123 SkIntToScalar(layer->rect().height())); |
126 | 124 |
127 layerCanvas->clipRect(bound); // TODO: still useful? | 125 layerCanvas->clipRect(bound); // TODO: still useful? |
128 | 126 |
129 layerCanvas->clear(SK_ColorTRANSPARENT); | 127 layerCanvas->clear(SK_ColorTRANSPARENT); |
130 | 128 |
131 layerCanvas->concat(layer->ctm()); | 129 layerCanvas->concat(layer->ctm()); |
132 | 130 |
133 SkPictureRangePlayback rangePlayback(picture, | 131 SkRecordPartialDraw(*picture->fRecord.get(), layerCanvas, bound, |
134 layer->start(), | 132 layer->start(), layer->stop()); |
135 layer->stop()); | |
136 rangePlayback.draw(layerCanvas, NULL); | |
137 | 133 |
138 layerCanvas->flush(); | 134 layerCanvas->flush(); |
139 } | 135 } |
140 } | 136 } |
141 | 137 |
142 void GrLayerHoister::UnlockLayers(GrLayerCache* layerCache, const SkPicture* pic
ture) { | 138 void GrLayerHoister::UnlockLayers(GrLayerCache* layerCache, const SkPicture* pic
ture) { |
143 SkPicture::AccelData::Key key = GrAccelData::ComputeAccelDataKey(); | 139 SkPicture::AccelData::Key key = GrAccelData::ComputeAccelDataKey(); |
144 | 140 |
145 const SkPicture::AccelData* data = picture->EXPERIMENTAL_getAccelData(key); | 141 const SkPicture::AccelData* data = picture->EXPERIMENTAL_getAccelData(key); |
146 SkASSERT(NULL != data); | 142 SkASSERT(NULL != data); |
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162 #if DISABLE_CACHING | 158 #if DISABLE_CACHING |
163 // This code completely clears out the atlas. It is required when | 159 // This code completely clears out the atlas. It is required when |
164 // caching is disabled so the atlas doesn't fill up and force more | 160 // caching is disabled so the atlas doesn't fill up and force more |
165 // free floating layers | 161 // free floating layers |
166 layerCache->purge(picture->uniqueID()); | 162 layerCache->purge(picture->uniqueID()); |
167 | 163 |
168 layerCache->purgeAll(); | 164 layerCache->purgeAll(); |
169 #endif | 165 #endif |
170 } | 166 } |
171 | 167 |
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