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1 // Copyright 2013 The Chromium Authors. All rights reserved. | 1 // Copyright 2013 The Chromium Authors. All rights reserved. |
2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 #include "cc/raster/tile_task_worker_pool.h" | 5 #include "cc/raster/tile_task_worker_pool.h" |
6 | 6 |
7 #include "base/trace_event/trace_event.h" | 7 #include "base/trace_event/trace_event.h" |
8 #include "cc/playback/display_list_raster_source.h" | 8 #include "cc/playback/display_list_raster_source.h" |
9 #include "cc/raster/texture_compressor.h" | |
9 #include "skia/ext/refptr.h" | 10 #include "skia/ext/refptr.h" |
10 #include "third_party/skia/include/core/SkCanvas.h" | 11 #include "third_party/skia/include/core/SkCanvas.h" |
11 #include "third_party/skia/include/core/SkDrawFilter.h" | 12 #include "third_party/skia/include/core/SkDrawFilter.h" |
12 #include "third_party/skia/include/core/SkSurface.h" | 13 #include "third_party/skia/include/core/SkSurface.h" |
13 | 14 |
14 namespace cc { | 15 namespace cc { |
15 | 16 |
16 TileTaskWorkerPool::TileTaskWorkerPool() {} | 17 TileTaskWorkerPool::TileTaskWorkerPool() {} |
17 | 18 |
18 TileTaskWorkerPool::~TileTaskWorkerPool() {} | 19 TileTaskWorkerPool::~TileTaskWorkerPool() {} |
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33 task->DidSchedule(); | 34 task->DidSchedule(); |
34 } | 35 } |
35 } | 36 } |
36 } | 37 } |
37 | 38 |
38 static bool IsSupportedPlaybackToMemoryFormat(ResourceFormat format) { | 39 static bool IsSupportedPlaybackToMemoryFormat(ResourceFormat format) { |
39 switch (format) { | 40 switch (format) { |
40 case RGBA_4444: | 41 case RGBA_4444: |
41 case RGBA_8888: | 42 case RGBA_8888: |
42 case BGRA_8888: | 43 case BGRA_8888: |
44 case ETC1: | |
43 return true; | 45 return true; |
44 case ALPHA_8: | 46 case ALPHA_8: |
45 case LUMINANCE_8: | 47 case LUMINANCE_8: |
46 case RGB_565: | 48 case RGB_565: |
47 case ETC1: | |
48 case RED_8: | 49 case RED_8: |
49 return false; | 50 return false; |
50 } | 51 } |
51 NOTREACHED(); | 52 NOTREACHED(); |
52 return false; | 53 return false; |
53 } | 54 } |
54 | 55 |
55 class SkipImageFilter : public SkDrawFilter { | 56 class SkipImageFilter : public SkDrawFilter { |
56 public: | 57 public: |
57 bool filter(SkPaint* paint, Type type) override { | 58 bool filter(SkPaint* paint, Type type) override { |
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74 const gfx::Rect& canvas_playback_rect, | 75 const gfx::Rect& canvas_playback_rect, |
75 float scale, | 76 float scale, |
76 bool include_images) { | 77 bool include_images) { |
77 TRACE_EVENT0("cc", "TileTaskWorkerPool::PlaybackToMemory"); | 78 TRACE_EVENT0("cc", "TileTaskWorkerPool::PlaybackToMemory"); |
78 | 79 |
79 DCHECK(IsSupportedPlaybackToMemoryFormat(format)) << format; | 80 DCHECK(IsSupportedPlaybackToMemoryFormat(format)) << format; |
80 | 81 |
81 // Uses kPremul_SkAlphaType since the result is not known to be opaque. | 82 // Uses kPremul_SkAlphaType since the result is not known to be opaque. |
82 SkImageInfo info = | 83 SkImageInfo info = |
83 SkImageInfo::MakeN32(size.width(), size.height(), kPremul_SkAlphaType); | 84 SkImageInfo::MakeN32(size.width(), size.height(), kPremul_SkAlphaType); |
84 SkColorType buffer_color_type = ResourceFormatToSkColorType(format); | |
85 bool needs_copy = buffer_color_type != info.colorType(); | |
86 | 85 |
87 // Use unknown pixel geometry to disable LCD text. | 86 // Use unknown pixel geometry to disable LCD text. |
88 SkSurfaceProps surface_props(0, kUnknown_SkPixelGeometry); | 87 SkSurfaceProps surface_props(0, kUnknown_SkPixelGeometry); |
89 if (raster_source->CanUseLCDText()) { | 88 if (raster_source->CanUseLCDText()) { |
90 // LegacyFontHost will get LCD text and skia figures out what type to use. | 89 // LegacyFontHost will get LCD text and skia figures out what type to use. |
91 surface_props = SkSurfaceProps(SkSurfaceProps::kLegacyFontHost_InitType); | 90 surface_props = SkSurfaceProps(SkSurfaceProps::kLegacyFontHost_InitType); |
92 } | 91 } |
93 | 92 |
94 if (!stride) | 93 if (!stride) |
95 stride = info.minRowBytes(); | 94 stride = info.minRowBytes(); |
96 DCHECK_GT(stride, 0u); | 95 DCHECK_GT(stride, 0u); |
97 | 96 |
98 skia::RefPtr<SkDrawFilter> image_filter; | 97 skia::RefPtr<SkDrawFilter> image_filter; |
99 if (!include_images) | 98 if (!include_images) |
100 image_filter = skia::AdoptRef(new SkipImageFilter); | 99 image_filter = skia::AdoptRef(new SkipImageFilter); |
101 | 100 |
102 if (!needs_copy) { | |
103 skia::RefPtr<SkSurface> surface = skia::AdoptRef( | |
104 SkSurface::NewRasterDirect(info, memory, stride, &surface_props)); | |
105 skia::RefPtr<SkCanvas> canvas = skia::SharePtr(surface->getCanvas()); | |
106 canvas->setDrawFilter(image_filter.get()); | |
107 raster_source->PlaybackToCanvas(canvas.get(), canvas_bitmap_rect, | |
108 canvas_playback_rect, scale); | |
109 return; | |
110 } | |
111 | |
112 skia::RefPtr<SkSurface> surface = | |
113 skia::AdoptRef(SkSurface::NewRaster(info, &surface_props)); | |
114 skia::RefPtr<SkCanvas> canvas = skia::SharePtr(surface->getCanvas()); | |
115 canvas->setDrawFilter(image_filter.get()); | |
116 // TODO(reveman): Improve partial raster support by reducing the size of | |
117 // playback rect passed to PlaybackToCanvas. crbug.com/519070 | |
118 raster_source->PlaybackToCanvas(canvas.get(), canvas_bitmap_rect, | |
119 canvas_bitmap_rect, scale); | |
120 | |
121 { | 101 { |
122 TRACE_EVENT0("cc", "TileTaskWorkerPool::PlaybackToMemory::ConvertPixels"); | 102 TRACE_EVENT0("cc", "TileTaskWorkerPool::PlaybackToMemory::ConvertPixels"); |
123 | 103 |
124 SkImageInfo dst_info = | 104 switch (format) { |
125 SkImageInfo::Make(info.width(), info.height(), buffer_color_type, | 105 case RGBA_8888: |
126 info.alphaType(), info.profileType()); | 106 case BGRA_8888: { |
127 bool rv = canvas->readPixels(dst_info, memory, stride, 0, 0); | 107 skia::RefPtr<SkSurface> surface = skia::AdoptRef( |
128 DCHECK(rv); | 108 SkSurface::NewRasterDirect(info, memory, stride, &surface_props)); |
109 skia::RefPtr<SkCanvas> canvas = skia::SharePtr(surface->getCanvas()); | |
110 canvas->setDrawFilter(image_filter.get()); | |
111 raster_source->PlaybackToCanvas(canvas.get(), canvas_bitmap_rect, | |
112 canvas_playback_rect, scale); | |
113 return; | |
114 } | |
115 case RGBA_4444: | |
116 case ETC1: { | |
117 skia::RefPtr<SkSurface> surface = | |
118 skia::AdoptRef(SkSurface::NewRaster(info, &surface_props)); | |
119 skia::RefPtr<SkCanvas> canvas = skia::SharePtr(surface->getCanvas()); | |
120 canvas->setDrawFilter(image_filter.get()); | |
121 // TODO(reveman): Improve partial raster support by reducing the size of | |
122 // playback rect passed to PlaybackToCanvas. crbug.com/519070 | |
123 raster_source->PlaybackToCanvas(canvas.get(), canvas_bitmap_rect, | |
124 canvas_bitmap_rect, scale); | |
reveman
2015/12/09 17:29:37
nit: maybe move l.117-124 to a utility function so
| |
125 | |
126 if (format == ETC1) { | |
127 DCHECK_EQ(size.width() % 4, 0); | |
128 DCHECK_EQ(size.height() % 4, 0); | |
129 scoped_ptr<TextureCompressor> texture_compressor = | |
130 TextureCompressor::Create(TextureCompressor::kFormatETC1); | |
131 texture_compressor->Compress( | |
132 reinterpret_cast<const uint8_t*>( | |
133 surface->peekPixels(nullptr, nullptr)), | |
134 reinterpret_cast<uint8_t*>(memory), size.width(), size.height(), | |
135 TextureCompressor::kQualityHigh); | |
136 } else { | |
137 SkImageInfo dst_info = SkImageInfo::Make( | |
138 info.width(), info.height(), ResourceFormatToSkColorType(format), | |
139 info.alphaType(), info.profileType()); | |
140 bool rv = canvas->readPixels(dst_info, memory, stride, 0, 0); | |
141 DCHECK(rv); | |
142 } | |
143 return; | |
144 } | |
145 case ALPHA_8: | |
146 case LUMINANCE_8: | |
147 case RGB_565: | |
148 case RED_8: | |
149 NOTREACHED(); | |
150 return; | |
151 } | |
152 | |
153 NOTREACHED(); | |
129 } | 154 } |
130 } | 155 } |
131 | 156 |
132 } // namespace cc | 157 } // namespace cc |
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