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1 // Copyright 2014 The Chromium Authors. All rights reserved. | 1 // Copyright 2014 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/playback/raster_source.h" | 5 #include "cc/playback/raster_source.h" |
6 | 6 |
7 #include <stddef.h> | 7 #include <stddef.h> |
8 | 8 |
9 #include "base/trace_event/trace_event.h" | 9 #include "base/trace_event/trace_event.h" |
| 10 #include "cc/base/math_util.h" |
10 #include "cc/base/region.h" | 11 #include "cc/base/region.h" |
11 #include "cc/debug/debug_colors.h" | 12 #include "cc/debug/debug_colors.h" |
12 #include "cc/playback/display_item_list.h" | 13 #include "cc/playback/display_item_list.h" |
13 #include "cc/playback/image_hijack_canvas.h" | 14 #include "cc/playback/image_hijack_canvas.h" |
14 #include "cc/playback/skip_image_canvas.h" | 15 #include "cc/playback/skip_image_canvas.h" |
15 #include "skia/ext/analysis_canvas.h" | 16 #include "skia/ext/analysis_canvas.h" |
16 #include "third_party/skia/include/core/SkCanvas.h" | 17 #include "third_party/skia/include/core/SkCanvas.h" |
17 #include "third_party/skia/include/core/SkClipStack.h" | 18 #include "third_party/skia/include/core/SkClipStack.h" |
18 #include "third_party/skia/include/core/SkPictureRecorder.h" | 19 #include "third_party/skia/include/core/SkPictureRecorder.h" |
19 #include "ui/gfx/geometry/rect_conversions.h" | 20 #include "ui/gfx/geometry/rect_conversions.h" |
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66 | 67 |
67 void RasterSource::PlaybackToCanvas(SkCanvas* raster_canvas, | 68 void RasterSource::PlaybackToCanvas(SkCanvas* raster_canvas, |
68 const gfx::Rect& canvas_bitmap_rect, | 69 const gfx::Rect& canvas_bitmap_rect, |
69 const gfx::Rect& canvas_playback_rect, | 70 const gfx::Rect& canvas_playback_rect, |
70 float contents_scale, | 71 float contents_scale, |
71 const PlaybackSettings& settings) const { | 72 const PlaybackSettings& settings) const { |
72 SkIRect raster_bounds = gfx::RectToSkIRect(canvas_bitmap_rect); | 73 SkIRect raster_bounds = gfx::RectToSkIRect(canvas_bitmap_rect); |
73 if (!canvas_playback_rect.IsEmpty() && | 74 if (!canvas_playback_rect.IsEmpty() && |
74 !raster_bounds.intersect(gfx::RectToSkIRect(canvas_playback_rect))) | 75 !raster_bounds.intersect(gfx::RectToSkIRect(canvas_playback_rect))) |
75 return; | 76 return; |
| 77 // Treat all subnormal values as zero for performance. |
| 78 ScopedSubnormalFloatDisabler disabler; |
76 | 79 |
77 raster_canvas->save(); | 80 raster_canvas->save(); |
78 raster_canvas->translate(-canvas_bitmap_rect.x(), -canvas_bitmap_rect.y()); | 81 raster_canvas->translate(-canvas_bitmap_rect.x(), -canvas_bitmap_rect.y()); |
79 raster_canvas->clipRect(SkRect::MakeFromIRect(raster_bounds)); | 82 raster_canvas->clipRect(SkRect::MakeFromIRect(raster_bounds)); |
80 raster_canvas->scale(contents_scale, contents_scale); | 83 raster_canvas->scale(contents_scale, contents_scale); |
81 PlaybackToCanvas(raster_canvas, settings); | 84 PlaybackToCanvas(raster_canvas, settings); |
82 raster_canvas->restore(); | 85 raster_canvas->restore(); |
83 } | 86 } |
84 | 87 |
85 void RasterSource::PlaybackToCanvas(SkCanvas* raster_canvas, | 88 void RasterSource::PlaybackToCanvas(SkCanvas* raster_canvas, |
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295 bool can_use_lcd_text = false; | 298 bool can_use_lcd_text = false; |
296 return scoped_refptr<RasterSource>(new RasterSource(this, can_use_lcd_text)); | 299 return scoped_refptr<RasterSource>(new RasterSource(this, can_use_lcd_text)); |
297 } | 300 } |
298 | 301 |
299 RasterSource::PlaybackSettings::PlaybackSettings() | 302 RasterSource::PlaybackSettings::PlaybackSettings() |
300 : playback_to_shared_canvas(false), | 303 : playback_to_shared_canvas(false), |
301 skip_images(false), | 304 skip_images(false), |
302 use_image_hijack_canvas(true) {} | 305 use_image_hijack_canvas(true) {} |
303 | 306 |
304 } // namespace cc | 307 } // namespace cc |
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