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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 |
471 scoped_refptr<base::SingleThreadTaskRunner> compositor_thread_task_runner = | 476 scoped_refptr<base::SingleThreadTaskRunner> compositor_thread_task_runner = |
472 compositor_deps_->GetCompositorImplThreadTaskRunner(); | 477 compositor_deps_->GetCompositorImplThreadTaskRunner(); |
473 scoped_refptr<base::SingleThreadTaskRunner> | 478 scoped_refptr<base::SingleThreadTaskRunner> |
474 main_thread_compositor_task_runner = | 479 main_thread_compositor_task_runner = |
475 compositor_deps_->GetCompositorMainThreadTaskRunner(); | 480 compositor_deps_->GetCompositorMainThreadTaskRunner(); |
476 cc::SharedBitmapManager* shared_bitmap_manager = | 481 cc::SharedBitmapManager* shared_bitmap_manager = |
477 compositor_deps_->GetSharedBitmapManager(); | 482 compositor_deps_->GetSharedBitmapManager(); |
478 gpu::GpuMemoryBufferManager* gpu_memory_buffer_manager = | 483 gpu::GpuMemoryBufferManager* gpu_memory_buffer_manager = |
479 compositor_deps_->GetGpuMemoryBufferManager(); | 484 compositor_deps_->GetGpuMemoryBufferManager(); |
480 cc::TaskGraphRunner* task_graph_runner = | 485 cc::TaskGraphRunner* task_graph_runner = |
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1043 return; | 1048 return; |
1044 provider->ContextGL()->RateLimitOffscreenContextCHROMIUM(); | 1049 provider->ContextGL()->RateLimitOffscreenContextCHROMIUM(); |
1045 } | 1050 } |
1046 | 1051 |
1047 void RenderWidgetCompositor::SetSurfaceIdNamespace( | 1052 void RenderWidgetCompositor::SetSurfaceIdNamespace( |
1048 uint32_t surface_id_namespace) { | 1053 uint32_t surface_id_namespace) { |
1049 layer_tree_host_->set_surface_id_namespace(surface_id_namespace); | 1054 layer_tree_host_->set_surface_id_namespace(surface_id_namespace); |
1050 } | 1055 } |
1051 | 1056 |
1052 } // namespace content | 1057 } // namespace content |
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