| // Copyright (c) 2012 The Chromium Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #include "content/browser/android/content_startup_flags.h" |
| |
| #include "base/command_line.h" |
| #include "base/logging.h" |
| #include "base/strings/string_number_conversions.h" |
| #include "cc/base/switches.h" |
| #include "content/public/browser/render_process_host.h" |
| #include "content/public/common/content_constants.h" |
| #include "content/public/common/content_switches.h" |
| #include "gpu/command_buffer/service/gpu_switches.h" |
| #include "ui/base/ui_base_switches.h" |
| |
| namespace content { |
| |
| void SetContentCommandLineFlags(int max_render_process_count, |
| const std::string& plugin_descriptor) { |
| // May be called multiple times, to cover all possible program entry points. |
| static bool already_initialized = false; |
| if (already_initialized) |
| return; |
| already_initialized = true; |
| |
| CommandLine* parsed_command_line = CommandLine::ForCurrentProcess(); |
| |
| if (parsed_command_line->HasSwitch(switches::kRendererProcessLimit)) { |
| std::string limit = parsed_command_line->GetSwitchValueASCII( |
| switches::kRendererProcessLimit); |
| int value; |
| if (base::StringToInt(limit, &value)) |
| max_render_process_count = value; |
| } |
| |
| if (max_render_process_count <= 0) { |
| // Need to ensure the command line flag is consistent as a lot of chrome |
| // internal code checks this directly, but it wouldn't normally get set when |
| // we are implementing an embedded WebView. |
| parsed_command_line->AppendSwitch(switches::kSingleProcess); |
| } else { |
| max_render_process_count = |
| std::min(max_render_process_count, |
| static_cast<int>(content::kMaxRendererProcessCount)); |
| content::RenderProcessHost::SetMaxRendererProcessCount( |
| max_render_process_count); |
| } |
| |
| parsed_command_line->AppendSwitch(switches::kForceCompositingMode); |
| parsed_command_line->AppendSwitch(switches::kAllowWebUICompositing); |
| parsed_command_line->AppendSwitch(switches::kEnableThreadedCompositing); |
| parsed_command_line->AppendSwitch( |
| switches::kEnableCompositingForFixedPosition); |
| parsed_command_line->AppendSwitch(switches::kEnableAcceleratedOverflowScroll); |
| parsed_command_line->AppendSwitch( |
| switches::kEnableAcceleratedScrollableFrames); |
| parsed_command_line->AppendSwitch( |
| switches::kEnableCompositedScrollingForFrames); |
| parsed_command_line->AppendSwitch(switches::kEnableBeginFrameScheduling); |
| parsed_command_line->AppendSwitch(switches::kEnableDeadlineScheduling); |
| |
| parsed_command_line->AppendSwitch(switches::kEnableGestureTapHighlight); |
| parsed_command_line->AppendSwitch(switches::kEnablePinch); |
| parsed_command_line->AppendSwitch(switches::kEnableOverlayFullscreenVideo); |
| parsed_command_line->AppendSwitch(switches::kEnableOverlayScrollbars); |
| parsed_command_line->AppendSwitch(switches::kEnableOverscrollNotifications); |
| |
| // Run the GPU service as a thread in the browser instead of as a |
| // standalone process. |
| parsed_command_line->AppendSwitch(switches::kInProcessGPU); |
| parsed_command_line->AppendSwitch(switches::kDisableGpuShaderDiskCache); |
| |
| parsed_command_line->AppendSwitch(switches::kEnableViewport); |
| |
| // Disable anti-aliasing. |
| parsed_command_line->AppendSwitch( |
| cc::switches::kDisableCompositedAntialiasing); |
| |
| if (!plugin_descriptor.empty()) { |
| parsed_command_line->AppendSwitchNative( |
| switches::kRegisterPepperPlugins, plugin_descriptor); |
| } |
| } |
| |
| } // namespace content |