1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
|
// 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/single_thread_task_runner.h"
#include "base/strings/string_number_conversions.h"
#include "content/browser/gpu/gpu_process_host.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);
}
void RunTaskOnTaskRunner(
scoped_refptr<base::SingleThreadTaskRunner> task_runner,
const base::Closure& callback) {
task_runner->PostTask(FROM_HERE, callback);
}
void StopGpuProcessImpl(const base::Closure& callback,
content::GpuProcessHost* host) {
if (host)
host->gpu_service()->Stop(callback);
else
callback.Run();
}
} // 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);
#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;
}
void StopGpuProcess(const base::Closure& callback) {
content::GpuProcessHost::CallOnIO(
content::GpuProcessHost::GPU_PROCESS_KIND_SANDBOXED,
false /* force_create */,
base::Bind(&StopGpuProcessImpl,
base::Bind(RunTaskOnTaskRunner,
base::ThreadTaskRunnerHandle::Get(), callback)));
}
} // namespace content
|
