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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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461 settings.create_low_res_tiling = false; | 461 settings.create_low_res_tiling = false; |
462 if (cmd->HasSwitch(cc::switches::kEnableBeginFrameScheduling)) | 462 if (cmd->HasSwitch(cc::switches::kEnableBeginFrameScheduling)) |
463 settings.use_external_begin_frame_source = true; | 463 settings.use_external_begin_frame_source = true; |
464 | 464 |
465 if (widget_->for_oopif()) { | 465 if (widget_->for_oopif()) { |
466 // TODO(simonhong): Apply BeginFrame scheduling for OOPIF. | 466 // TODO(simonhong): Apply BeginFrame scheduling for OOPIF. |
467 // See crbug.com/471411. | 467 // See crbug.com/471411. |
468 settings.use_external_begin_frame_source = false; | 468 settings.use_external_begin_frame_source = false; |
469 } | 469 } |
470 | 470 |
471 settings.max_staging_buffers = 32; | |
472 // Use 1/4th of staging buffers on low-end devices. | |
473 if (base::SysInfo::IsLowEndDevice()) | |
474 settings.max_staging_buffers /= 4; | |
475 | |
476 scoped_refptr<base::SingleThreadTaskRunner> compositor_thread_task_runner = | 471 scoped_refptr<base::SingleThreadTaskRunner> compositor_thread_task_runner = |
477 compositor_deps_->GetCompositorImplThreadTaskRunner(); | 472 compositor_deps_->GetCompositorImplThreadTaskRunner(); |
478 scoped_refptr<base::SingleThreadTaskRunner> | 473 scoped_refptr<base::SingleThreadTaskRunner> |
479 main_thread_compositor_task_runner = | 474 main_thread_compositor_task_runner = |
480 compositor_deps_->GetCompositorMainThreadTaskRunner(); | 475 compositor_deps_->GetCompositorMainThreadTaskRunner(); |
481 cc::SharedBitmapManager* shared_bitmap_manager = | 476 cc::SharedBitmapManager* shared_bitmap_manager = |
482 compositor_deps_->GetSharedBitmapManager(); | 477 compositor_deps_->GetSharedBitmapManager(); |
483 gpu::GpuMemoryBufferManager* gpu_memory_buffer_manager = | 478 gpu::GpuMemoryBufferManager* gpu_memory_buffer_manager = |
484 compositor_deps_->GetGpuMemoryBufferManager(); | 479 compositor_deps_->GetGpuMemoryBufferManager(); |
485 cc::TaskGraphRunner* task_graph_runner = | 480 cc::TaskGraphRunner* task_graph_runner = |
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1048 return; | 1043 return; |
1049 provider->ContextGL()->RateLimitOffscreenContextCHROMIUM(); | 1044 provider->ContextGL()->RateLimitOffscreenContextCHROMIUM(); |
1050 } | 1045 } |
1051 | 1046 |
1052 void RenderWidgetCompositor::SetSurfaceIdNamespace( | 1047 void RenderWidgetCompositor::SetSurfaceIdNamespace( |
1053 uint32_t surface_id_namespace) { | 1048 uint32_t surface_id_namespace) { |
1054 layer_tree_host_->set_surface_id_namespace(surface_id_namespace); | 1049 layer_tree_host_->set_surface_id_namespace(surface_id_namespace); |
1055 } | 1050 } |
1056 | 1051 |
1057 } // namespace content | 1052 } // namespace content |
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