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1 // Copyright (c) 2013 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 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 "content/renderer/gpu/render_widget_compositor.h" | 5 #include "content/renderer/gpu/render_widget_compositor.h" |
6 | 6 |
7 #include <limits> | 7 #include <limits> |
8 #include <string> | 8 #include <string> |
9 | 9 |
10 #include "base/command_line.h" | 10 #include "base/command_line.h" |
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169 CommandLine* cmd = CommandLine::ForCurrentProcess(); | 169 CommandLine* cmd = CommandLine::ForCurrentProcess(); |
170 | 170 |
171 cc::LayerTreeSettings settings; | 171 cc::LayerTreeSettings settings; |
172 | 172 |
173 // For web contents, layer transforms should scale up the contents of layers | 173 // For web contents, layer transforms should scale up the contents of layers |
174 // to keep content always crisp when possible. | 174 // to keep content always crisp when possible. |
175 settings.layer_transforms_should_scale_layer_contents = true; | 175 settings.layer_transforms_should_scale_layer_contents = true; |
176 | 176 |
177 settings.throttle_frame_production = | 177 settings.throttle_frame_production = |
178 !cmd->HasSwitch(switches::kDisableGpuVsync); | 178 !cmd->HasSwitch(switches::kDisableGpuVsync); |
179 settings.use_external_begin_frame_source = | 179 #if defined(USE_AURA) |
180 cmd->HasSwitch(switches::kEnableBeginFrameScheduling); | 180 settings.use_external_begin_frame_source = true; |
| 181 #endif |
181 settings.main_frame_before_activation_enabled = | 182 settings.main_frame_before_activation_enabled = |
182 cmd->HasSwitch(cc::switches::kEnableMainFrameBeforeActivation) && | 183 cmd->HasSwitch(cc::switches::kEnableMainFrameBeforeActivation) && |
183 !cmd->HasSwitch(cc::switches::kDisableMainFrameBeforeActivation); | 184 !cmd->HasSwitch(cc::switches::kDisableMainFrameBeforeActivation); |
184 settings.report_overscroll_only_for_scrollable_axes = true; | 185 settings.report_overscroll_only_for_scrollable_axes = true; |
185 settings.accelerated_animation_enabled = | 186 settings.accelerated_animation_enabled = |
186 !cmd->HasSwitch(cc::switches::kDisableThreadedAnimation); | 187 !cmd->HasSwitch(cc::switches::kDisableThreadedAnimation); |
187 settings.use_display_lists = cmd->HasSwitch(switches::kEnableSlimmingPaint); | 188 settings.use_display_lists = cmd->HasSwitch(switches::kEnableSlimmingPaint); |
188 | 189 |
189 settings.default_tile_size = CalculateDefaultTileSize(); | 190 settings.default_tile_size = CalculateDefaultTileSize(); |
190 if (cmd->HasSwitch(switches::kDefaultTileWidth)) { | 191 if (cmd->HasSwitch(switches::kDefaultTileWidth)) { |
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891 widget_->OnSwapBuffersAborted(); | 892 widget_->OnSwapBuffersAborted(); |
892 } | 893 } |
893 | 894 |
894 void RenderWidgetCompositor::RateLimitSharedMainThreadContext() { | 895 void RenderWidgetCompositor::RateLimitSharedMainThreadContext() { |
895 cc::ContextProvider* provider = | 896 cc::ContextProvider* provider = |
896 RenderThreadImpl::current()->SharedMainThreadContextProvider().get(); | 897 RenderThreadImpl::current()->SharedMainThreadContextProvider().get(); |
897 provider->ContextGL()->RateLimitOffscreenContextCHROMIUM(); | 898 provider->ContextGL()->RateLimitOffscreenContextCHROMIUM(); |
898 } | 899 } |
899 | 900 |
900 } // namespace content | 901 } // namespace content |
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