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1 // Copyright 2012 The Chromium Authors. All rights reserved. | 1 // Copyright 2012 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/output/software_renderer.h" | 5 #include "cc/output/software_renderer.h" |
6 | 6 |
7 #include "base/debug/trace_event.h" | 7 #include "base/debug/trace_event.h" |
8 #include "cc/base/math_util.h" | 8 #include "cc/base/math_util.h" |
9 #include "cc/output/compositor_frame.h" | 9 #include "cc/output/compositor_frame.h" |
10 #include "cc/output/compositor_frame_ack.h" | 10 #include "cc/output/compositor_frame_ack.h" |
11 #include "cc/output/compositor_frame_metadata.h" | 11 #include "cc/output/compositor_frame_metadata.h" |
12 #include "cc/output/copy_output_request.h" | 12 #include "cc/output/copy_output_request.h" |
13 #include "cc/output/output_surface.h" | 13 #include "cc/output/output_surface.h" |
14 #include "cc/output/render_surface_filters.h" | 14 #include "cc/output/render_surface_filters.h" |
15 #include "cc/output/software_output_device.h" | 15 #include "cc/output/software_output_device.h" |
16 #include "cc/quads/checkerboard_draw_quad.h" | 16 #include "cc/quads/checkerboard_draw_quad.h" |
17 #include "cc/quads/debug_border_draw_quad.h" | 17 #include "cc/quads/debug_border_draw_quad.h" |
18 #include "cc/quads/picture_draw_quad.h" | 18 #include "cc/quads/picture_draw_quad.h" |
19 #include "cc/quads/render_pass_draw_quad.h" | 19 #include "cc/quads/render_pass_draw_quad.h" |
20 #include "cc/quads/solid_color_draw_quad.h" | 20 #include "cc/quads/solid_color_draw_quad.h" |
21 #include "cc/quads/texture_draw_quad.h" | 21 #include "cc/quads/texture_draw_quad.h" |
22 #include "cc/quads/tile_draw_quad.h" | 22 #include "cc/quads/tile_draw_quad.h" |
23 #include "cc/resources/raster_worker_pool.h" | |
24 #include "skia/ext/opacity_draw_filter.h" | 23 #include "skia/ext/opacity_draw_filter.h" |
25 #include "third_party/skia/include/core/SkBitmapDevice.h" | 24 #include "third_party/skia/include/core/SkBitmapDevice.h" |
26 #include "third_party/skia/include/core/SkCanvas.h" | 25 #include "third_party/skia/include/core/SkCanvas.h" |
27 #include "third_party/skia/include/core/SkColor.h" | 26 #include "third_party/skia/include/core/SkColor.h" |
28 #include "third_party/skia/include/core/SkImageFilter.h" | 27 #include "third_party/skia/include/core/SkImageFilter.h" |
29 #include "third_party/skia/include/core/SkMatrix.h" | 28 #include "third_party/skia/include/core/SkMatrix.h" |
30 #include "third_party/skia/include/core/SkShader.h" | 29 #include "third_party/skia/include/core/SkShader.h" |
31 #include "third_party/skia/include/effects/SkLayerRasterizer.h" | 30 #include "third_party/skia/include/effects/SkLayerRasterizer.h" |
32 #include "ui/gfx/geometry/rect_conversions.h" | 31 #include "ui/gfx/geometry/rect_conversions.h" |
33 #include "ui/gfx/skia_util.h" | 32 #include "ui/gfx/skia_util.h" |
34 #include "ui/gfx/transform.h" | 33 #include "ui/gfx/transform.h" |
35 | 34 |
36 namespace cc { | 35 namespace cc { |
37 | |
38 namespace { | 36 namespace { |
39 | 37 |
40 class OnDemandRasterTaskImpl : public Task { | |
41 public: | |
42 OnDemandRasterTaskImpl(PicturePileImpl* picture_pile, | |
43 SkCanvas* canvas, | |
44 gfx::Rect content_rect, | |
45 float contents_scale) | |
46 : picture_pile_(picture_pile), | |
47 canvas_(canvas), | |
48 content_rect_(content_rect), | |
49 contents_scale_(contents_scale) { | |
50 DCHECK(picture_pile_); | |
51 DCHECK(canvas_); | |
52 } | |
53 | |
54 // Overridden from Task: | |
55 virtual void RunOnWorkerThread() OVERRIDE { | |
56 TRACE_EVENT0("cc", "OnDemandRasterTaskImpl::RunOnWorkerThread"); | |
57 | |
58 PicturePileImpl* picture_pile = picture_pile_->GetCloneForDrawingOnThread( | |
59 RasterWorkerPool::GetPictureCloneIndexForCurrentThread()); | |
60 DCHECK(picture_pile); | |
61 | |
62 picture_pile->RasterDirect(canvas_, content_rect_, contents_scale_, NULL); | |
63 } | |
64 | |
65 protected: | |
66 virtual ~OnDemandRasterTaskImpl() {} | |
67 | |
68 private: | |
69 PicturePileImpl* picture_pile_; | |
70 SkCanvas* canvas_; | |
71 const gfx::Rect content_rect_; | |
72 const float contents_scale_; | |
73 | |
74 DISALLOW_COPY_AND_ASSIGN(OnDemandRasterTaskImpl); | |
75 }; | |
76 | |
77 static inline bool IsScalarNearlyInteger(SkScalar scalar) { | 38 static inline bool IsScalarNearlyInteger(SkScalar scalar) { |
78 return SkScalarNearlyZero(scalar - SkScalarRoundToScalar(scalar)); | 39 return SkScalarNearlyZero(scalar - SkScalarRoundToScalar(scalar)); |
79 } | 40 } |
80 | 41 |
81 bool IsScaleAndIntegerTranslate(const SkMatrix& matrix) { | 42 bool IsScaleAndIntegerTranslate(const SkMatrix& matrix) { |
82 return IsScalarNearlyInteger(matrix[SkMatrix::kMTransX]) && | 43 return IsScalarNearlyInteger(matrix[SkMatrix::kMTransX]) && |
83 IsScalarNearlyInteger(matrix[SkMatrix::kMTransY]) && | 44 IsScalarNearlyInteger(matrix[SkMatrix::kMTransY]) && |
84 SkScalarNearlyZero(matrix[SkMatrix::kMSkewX]) && | 45 SkScalarNearlyZero(matrix[SkMatrix::kMSkewX]) && |
85 SkScalarNearlyZero(matrix[SkMatrix::kMSkewY]) && | 46 SkScalarNearlyZero(matrix[SkMatrix::kMSkewY]) && |
86 SkScalarNearlyZero(matrix[SkMatrix::kMPersp0]) && | 47 SkScalarNearlyZero(matrix[SkMatrix::kMPersp0]) && |
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382 // (http://crbug.com/280374). | 343 // (http://crbug.com/280374). |
383 skia::RefPtr<SkDrawFilter> opacity_filter = | 344 skia::RefPtr<SkDrawFilter> opacity_filter = |
384 skia::AdoptRef(new skia::OpacityDrawFilter( | 345 skia::AdoptRef(new skia::OpacityDrawFilter( |
385 quad->opacity(), frame->disable_picture_quad_image_filtering)); | 346 quad->opacity(), frame->disable_picture_quad_image_filtering)); |
386 DCHECK(!current_canvas_->getDrawFilter()); | 347 DCHECK(!current_canvas_->getDrawFilter()); |
387 current_canvas_->setDrawFilter(opacity_filter.get()); | 348 current_canvas_->setDrawFilter(opacity_filter.get()); |
388 | 349 |
389 TRACE_EVENT0("cc", | 350 TRACE_EVENT0("cc", |
390 "SoftwareRenderer::DrawPictureQuad"); | 351 "SoftwareRenderer::DrawPictureQuad"); |
391 | 352 |
392 // Create and run on-demand raster task for tile. | 353 quad->picture_pile->RasterDirect( |
393 scoped_refptr<Task> on_demand_raster_task( | 354 current_canvas_, quad->content_rect, quad->contents_scale, NULL); |
394 new OnDemandRasterTaskImpl(quad->picture_pile, | |
395 current_canvas_, | |
396 quad->content_rect, | |
397 quad->contents_scale)); | |
398 client_->RunOnDemandRasterTask(on_demand_raster_task.get()); | |
399 | 355 |
400 current_canvas_->setDrawFilter(NULL); | 356 current_canvas_->setDrawFilter(NULL); |
401 } | 357 } |
402 | 358 |
403 void SoftwareRenderer::DrawSolidColorQuad(const DrawingFrame* frame, | 359 void SoftwareRenderer::DrawSolidColorQuad(const DrawingFrame* frame, |
404 const SolidColorDrawQuad* quad) { | 360 const SolidColorDrawQuad* quad) { |
405 gfx::RectF visible_quad_vertex_rect = MathUtil::ScaleRectProportional( | 361 gfx::RectF visible_quad_vertex_rect = MathUtil::ScaleRectProportional( |
406 QuadVertexRect(), quad->rect, quad->visible_rect); | 362 QuadVertexRect(), quad->rect, quad->visible_rect); |
407 current_paint_.setColor(quad->color); | 363 current_paint_.setColor(quad->color); |
408 current_paint_.setAlpha(quad->opacity() * SkColorGetA(quad->color)); | 364 current_paint_.setAlpha(quad->opacity() * SkColorGetA(quad->color)); |
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644 } | 600 } |
645 | 601 |
646 void SoftwareRenderer::DidChangeVisibility() { | 602 void SoftwareRenderer::DidChangeVisibility() { |
647 if (visible()) | 603 if (visible()) |
648 EnsureBackbuffer(); | 604 EnsureBackbuffer(); |
649 else | 605 else |
650 DiscardBackbuffer(); | 606 DiscardBackbuffer(); |
651 } | 607 } |
652 | 608 |
653 } // namespace cc | 609 } // namespace cc |
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