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// Copyright 2016 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/public/browser/gpu_utils.h"
#include "base/command_line.h"
#include "base/strings/string_number_conversions.h"
#include "content/public/common/content_features.h"
#include "content/public/common/content_switches.h"
#include "gpu/command_buffer/service/gpu_switches.h"
#include "gpu/config/gpu_switches.h"
#include "media/media_features.h"
#include "ui/gl/gl_switches.h"
namespace {
bool GetUintFromSwitch(const base::CommandLine* command_line,
const base::StringPiece& switch_string,
uint32_t* value) {
if (!command_line->HasSwitch(switch_string))
return false;
std::string switch_value(command_line->GetSwitchValueASCII(switch_string));
return base::StringToUint(switch_value, value);
}
} // namespace
namespace content {
const gpu::GpuPreferences GetGpuPreferencesFromCommandLine() {
DCHECK(base::CommandLine::InitializedForCurrentProcess());
const base::CommandLine* command_line =
base::CommandLine::ForCurrentProcess();
gpu::GpuPreferences gpu_preferences;
gpu_preferences.single_process =
command_line->HasSwitch(switches::kSingleProcess);
gpu_preferences.in_process_gpu =
command_line->HasSwitch(switches::kInProcessGPU);
gpu_preferences.ui_prioritize_in_gpu_process =
command_line->HasSwitch(switches::kUIPrioritizeInGpuProcess);
gpu_preferences.disable_accelerated_video_decode =
command_line->HasSwitch(switches::kDisableAcceleratedVideoDecode);
#if defined(OS_CHROMEOS)
gpu_preferences.disable_vaapi_accelerated_video_encode =
command_line->HasSwitch(switches::kDisableVaapiAcceleratedVideoEncode);
#endif
#if BUILDFLAG(ENABLE_WEBRTC)
gpu_preferences.disable_web_rtc_hw_encoding =
command_line->HasSwitch(switches::kDisableWebRtcHWEncoding) ||
(command_line->HasSwitch(switches::kDisableWebRtcHWVP8Encoding) &&
!base::FeatureList::IsEnabled(features::kWebRtcHWH264Encoding));
#endif
#if defined(OS_WIN)
uint32_t enable_accelerated_vpx_decode_val =
gpu::GpuPreferences::VPX_VENDOR_MICROSOFT;
if (GetUintFromSwitch(command_line, switches::kEnableAcceleratedVpxDecode,
&enable_accelerated_vpx_decode_val)) {
gpu_preferences.enable_accelerated_vpx_decode =
static_cast<gpu::GpuPreferences::VpxDecodeVendors>(
enable_accelerated_vpx_decode_val);
}
gpu_preferences.enable_low_latency_dxva =
!command_line->HasSwitch(switches::kDisableLowLatencyDxva);
gpu_preferences.enable_zero_copy_dxgi_video =
!command_line->HasSwitch(switches::kDisableZeroCopyDxgiVideo);
gpu_preferences.enable_nv12_dxgi_video =
!command_line->HasSwitch(switches::kDisableNv12DxgiVideo);
#endif
gpu_preferences.compile_shader_always_succeeds =
command_line->HasSwitch(switches::kCompileShaderAlwaysSucceeds);
gpu_preferences.disable_gl_error_limit =
command_line->HasSwitch(switches::kDisableGLErrorLimit);
gpu_preferences.disable_glsl_translator =
command_line->HasSwitch(switches::kDisableGLSLTranslator);
gpu_preferences.disable_gpu_driver_bug_workarounds =
command_line->HasSwitch(switches::kDisableGpuDriverBugWorkarounds);
gpu_preferences.disable_shader_name_hashing =
command_line->HasSwitch(switches::kDisableShaderNameHashing);
gpu_preferences.enable_gpu_command_logging =
command_line->HasSwitch(switches::kEnableGPUCommandLogging);
gpu_preferences.enable_gpu_debugging =
command_line->HasSwitch(switches::kEnableGPUDebugging);
gpu_preferences.enable_gpu_service_logging_gpu =
command_line->HasSwitch(switches::kEnableGPUServiceLoggingGPU);
gpu_preferences.enable_gpu_driver_debug_logging =
command_line->HasSwitch(switches::kEnableGPUDriverDebugLogging);
gpu_preferences.disable_gpu_program_cache =
command_line->HasSwitch(switches::kDisableGpuProgramCache);
gpu_preferences.enforce_gl_minimums =
command_line->HasSwitch(switches::kEnforceGLMinimums);
if (GetUintFromSwitch(command_line, switches::kForceGpuMemAvailableMb,
&gpu_preferences.force_gpu_mem_available)) {
gpu_preferences.force_gpu_mem_available *= 1024 * 1024;
}
if (GetUintFromSwitch(command_line, switches::kGpuProgramCacheSizeKb,
&gpu_preferences.gpu_program_cache_size)) {
gpu_preferences.gpu_program_cache_size *= 1024;
}
gpu_preferences.disable_gpu_shader_disk_cache =
command_line->HasSwitch(switches::kDisableGpuShaderDiskCache);
gpu_preferences.enable_threaded_texture_mailboxes =
command_line->HasSwitch(switches::kEnableThreadedTextureMailboxes);
gpu_preferences.gl_shader_interm_output =
command_line->HasSwitch(switches::kGLShaderIntermOutput);
gpu_preferences.emulate_shader_precision =
command_line->HasSwitch(switches::kEmulateShaderPrecision);
gpu_preferences.enable_gpu_service_logging =
command_line->HasSwitch(switches::kEnableGPUServiceLogging);
gpu_preferences.enable_gpu_service_tracing =
command_line->HasSwitch(switches::kEnableGPUServiceTracing);
gpu_preferences.use_passthrough_cmd_decoder =
command_line->HasSwitch(switches::kUsePassthroughCmdDecoder);
// Some of these preferences are set or adjusted in
// GpuDataManagerImplPrivate::AppendGpuCommandLine.
return gpu_preferences;
}
} // namespace content
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