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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/memory/ptr_util.h" | 7 #include "base/memory/ptr_util.h" |
8 #include "base/trace_event/trace_event.h" | 8 #include "base/trace_event/trace_event.h" |
9 #include "cc/base/math_util.h" | 9 #include "cc/base/math_util.h" |
10 #include "cc/output/compositor_frame.h" | 10 #include "cc/output/compositor_frame.h" |
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56 SoftwareRenderer::SoftwareRenderer(const RendererSettings* settings, | 56 SoftwareRenderer::SoftwareRenderer(const RendererSettings* settings, |
57 OutputSurface* output_surface, | 57 OutputSurface* output_surface, |
58 ResourceProvider* resource_provider) | 58 ResourceProvider* resource_provider) |
59 : DirectRenderer(settings, output_surface, resource_provider), | 59 : DirectRenderer(settings, output_surface, resource_provider), |
60 output_device_(output_surface->software_device()) { | 60 output_device_(output_surface->software_device()) { |
61 if (resource_provider_) { | 61 if (resource_provider_) { |
62 capabilities_.max_texture_size = resource_provider_->max_texture_size(); | 62 capabilities_.max_texture_size = resource_provider_->max_texture_size(); |
63 capabilities_.best_texture_format = | 63 capabilities_.best_texture_format = |
64 resource_provider_->best_texture_format(); | 64 resource_provider_->best_texture_format(); |
65 } | 65 } |
66 // The updater can access bitmaps while the SoftwareRenderer is using them. | |
67 capabilities_.allow_partial_texture_updates = true; | |
68 capabilities_.using_partial_swap = true; | |
69 | |
70 capabilities_.using_shared_memory_resources = true; | 66 capabilities_.using_shared_memory_resources = true; |
71 | |
72 capabilities_.allow_rasterize_on_demand = true; | |
73 } | 67 } |
74 | 68 |
75 SoftwareRenderer::~SoftwareRenderer() {} | 69 SoftwareRenderer::~SoftwareRenderer() {} |
76 | 70 |
77 const RendererCapabilitiesImpl& SoftwareRenderer::Capabilities() const { | 71 const RendererCapabilitiesImpl& SoftwareRenderer::Capabilities() const { |
78 return capabilities_; | 72 return capabilities_; |
79 } | 73 } |
80 | 74 |
| 75 bool SoftwareRenderer::CanPartialSwap() { |
| 76 return true; |
| 77 } |
| 78 |
81 void SoftwareRenderer::BeginDrawingFrame(DrawingFrame* frame) { | 79 void SoftwareRenderer::BeginDrawingFrame(DrawingFrame* frame) { |
82 TRACE_EVENT0("cc", "SoftwareRenderer::BeginDrawingFrame"); | 80 TRACE_EVENT0("cc", "SoftwareRenderer::BeginDrawingFrame"); |
83 root_canvas_ = output_device_->BeginPaint(frame->root_damage_rect); | 81 root_canvas_ = output_device_->BeginPaint(frame->root_damage_rect); |
84 } | 82 } |
85 | 83 |
86 void SoftwareRenderer::FinishDrawingFrame(DrawingFrame* frame) { | 84 void SoftwareRenderer::FinishDrawingFrame(DrawingFrame* frame) { |
87 TRACE_EVENT0("cc", "SoftwareRenderer::FinishDrawingFrame"); | 85 TRACE_EVENT0("cc", "SoftwareRenderer::FinishDrawingFrame"); |
88 current_framebuffer_lock_ = nullptr; | 86 current_framebuffer_lock_ = nullptr; |
89 current_framebuffer_canvas_.reset(); | 87 current_framebuffer_canvas_.reset(); |
90 current_canvas_ = nullptr; | 88 current_canvas_ = nullptr; |
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721 ApplyImageFilter(filter.get(), quad, backdrop_bitmap, nullptr); | 719 ApplyImageFilter(filter.get(), quad, backdrop_bitmap, nullptr); |
722 | 720 |
723 if (!filter_backdrop_image) | 721 if (!filter_backdrop_image) |
724 return nullptr; | 722 return nullptr; |
725 | 723 |
726 return filter_backdrop_image->makeShader(content_tile_mode, content_tile_mode, | 724 return filter_backdrop_image->makeShader(content_tile_mode, content_tile_mode, |
727 &filter_backdrop_transform); | 725 &filter_backdrop_transform); |
728 } | 726 } |
729 | 727 |
730 } // namespace cc | 728 } // namespace cc |
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