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content / browser / gpu / compositor_util.cc [blame]
// Copyright 2012 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifdef UNSAFE_BUFFERS_BUILD
// TODO(crbug.com/342213636): Remove this and spanify to fix the errors.
#pragma allow_unsafe_buffers
#endif
#include "content/browser/gpu/compositor_util.h"
#include <stddef.h>
#include <algorithm>
#include <memory>
#include <utility>
#include "base/command_line.h"
#include "base/feature_list.h"
#include "base/logging.h"
#include "base/metrics/field_trial.h"
#include "base/strings/string_number_conversions.h"
#include "base/strings/string_split.h"
#include "base/system/sys_info.h"
#include "base/values.h"
#include "build/build_config.h"
#include "build/chromeos_buildflags.h"
#include "cc/base/switches.h"
#include "components/viz/common/features.h"
#include "content/browser/compositor/image_transport_factory.h"
#include "content/browser/gpu/gpu_data_manager_impl.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_blocklist.h"
#include "gpu/config/gpu_driver_bug_list.h"
#include "gpu/config/gpu_driver_bug_workaround_type.h"
#include "gpu/config/gpu_feature_type.h"
#include "gpu/config/gpu_finch_features.h"
#include "gpu/config/gpu_switches.h"
#include "gpu/vulkan/buildflags.h"
#include "media/base/media_switches.h"
#include "media/media_buildflags.h"
#include "skia/buildflags.h"
#include "third_party/blink/public/common/switches.h"
#include "ui/base/ui_base_features.h"
#include "ui/gl/gl_switches.h"
namespace content {
namespace {
const int kMinRasterThreads = 1;
const int kMaxRasterThreads = 4;
const int kMinMSAASampleCount = 0;
enum class GpuFeatureInfoType { kCurrent, kForHardwareGpu };
struct DisableInfo {
// The feature being disabled will be listed as a problem with |description|.
static DisableInfo Problem(const std::string& description) {
return DisableInfo{true, description};
}
// The feature being disabled will not be listed as a problem.
static DisableInfo NotProblem() { return DisableInfo{false, ""}; }
bool is_problem;
std::string description;
};
struct GpuFeatureData {
std::string name;
gpu::GpuFeatureStatus status;
DisableInfo disabled_info = DisableInfo::NotProblem();
bool fallback_to_software = false;
};
// Returns enabled/disabled based on a bool for when there is no GpuFeatureType.
gpu::GpuFeatureStatus GetFakeFeatureStatus(bool enabled) {
return enabled ? gpu::kGpuFeatureStatusEnabled
: gpu::kGpuFeatureStatusDisabled;
}
// `force_disabled` should only be true when the feature status from
// `gpu_feature_info` is missing information. In general this should be avoided
// and GpuFeatureInfo should be made to be correct.
gpu::GpuFeatureStatus SafeGetFeatureStatus(
const gpu::GpuFeatureInfo& gpu_feature_info,
gpu::GpuFeatureType feature,
bool force_disabled = false) {
if (force_disabled) {
return gpu::kGpuFeatureStatusDisabled;
}
if (!gpu_feature_info.IsInitialized()) {
// The GPU process probably crashed during startup, but we can't
// assert this as the test bots are slow, and recording the crash
// is racy. Be robust and just say that all features are disabled.
return gpu::kGpuFeatureStatusDisabled;
}
DCHECK(feature >= 0 && feature < gpu::NUMBER_OF_GPU_FEATURE_TYPES);
return gpu_feature_info.status_values[feature];
}
std::vector<GpuFeatureData> GetGpuFeatureData(
const gpu::GpuFeatureInfo& gpu_feature_info,
bool is_gpu_compositing_disabled) {
const base::CommandLine& command_line =
*base::CommandLine::ForCurrentProcess();
std::vector<GpuFeatureData> features;
features.emplace_back(
"2d_canvas",
SafeGetFeatureStatus(
gpu_feature_info, gpu::GPU_FEATURE_TYPE_ACCELERATED_2D_CANVAS,
command_line.HasSwitch(switches::kDisableAccelerated2dCanvas)),
DisableInfo::Problem(
"Accelerated 2D canvas is unavailable: either disabled "
"via blocklist or the command line."),
true);
features.emplace_back(
"canvas_oop_rasterization",
SafeGetFeatureStatus(
gpu_feature_info, gpu::GPU_FEATURE_TYPE_CANVAS_OOP_RASTERIZATION,
command_line.HasSwitch(switches::kDisableAccelerated2dCanvas)));
features.emplace_back(
"gpu_compositing",
// TODO(rivr): Replace with a check to see which backend is used for
// compositing; do the same for GPU rasterization if it's enabled. For
// now assume that if GL is blocklisted, then Vulkan is also. Check GL to
// see if GPU compositing is disabled.
SafeGetFeatureStatus(gpu_feature_info,
gpu::GPU_FEATURE_TYPE_ACCELERATED_GL,
is_gpu_compositing_disabled),
DisableInfo::Problem(
"Gpu compositing has been disabled, either via blocklist, "
"about:flags "
"or the command line. The browser will fall back to software "
"compositing and hardware acceleration will be unavailable."),
true);
features.emplace_back(
"webgl",
SafeGetFeatureStatus(gpu_feature_info,
gpu::GPU_FEATURE_TYPE_ACCELERATED_WEBGL,
command_line.HasSwitch(switches::kDisableWebGL)),
DisableInfo::Problem(
"WebGL has been disabled via blocklist or the command line."),
false);
features.emplace_back(
"video_decode",
SafeGetFeatureStatus(
gpu_feature_info, gpu::GPU_FEATURE_TYPE_ACCELERATED_VIDEO_DECODE,
#if BUILDFLAG(IS_LINUX)
!base::FeatureList::IsEnabled(media::kAcceleratedVideoDecodeLinux) ||
#endif // BUILDFLAG(IS_LINUX)
command_line.HasSwitch(switches::kDisableAcceleratedVideoDecode)),
DisableInfo::Problem(
"Accelerated video decode has been disabled, either via blocklist, "
"about:flags or the command line."),
true);
features.emplace_back(
"video_encode",
SafeGetFeatureStatus(
gpu_feature_info, gpu::GPU_FEATURE_TYPE_ACCELERATED_VIDEO_ENCODE,
#if BUILDFLAG(IS_LINUX)
!base::FeatureList::IsEnabled(media::kAcceleratedVideoEncodeLinux)),
#else
command_line.HasSwitch(switches::kDisableAcceleratedVideoEncode)),
#endif // BUILDFLAG(IS_LINUX)
DisableInfo::Problem(
"Accelerated video encode has been disabled, either via blocklist, "
"about:flags or the command line."),
true);
features.emplace_back(
"rasterization",
SafeGetFeatureStatus(gpu_feature_info,
gpu::GPU_FEATURE_TYPE_GPU_TILE_RASTERIZATION),
DisableInfo::Problem(
"Accelerated rasterization has been disabled, either via blocklist, "
"about:flags or the command line."),
true);
features.emplace_back(
"opengl", SafeGetFeatureStatus(gpu_feature_info,
gpu::GPU_FEATURE_TYPE_ACCELERATED_GL));
#if BUILDFLAG(ENABLE_VULKAN)
features.emplace_back(
"vulkan",
SafeGetFeatureStatus(gpu_feature_info, gpu::GPU_FEATURE_TYPE_VULKAN));
#endif
features.emplace_back(
"multiple_raster_threads",
GetFakeFeatureStatus(NumberOfRendererRasterThreads() > 1));
#if BUILDFLAG(IS_ANDROID)
features.emplace_back(
"surface_control",
SafeGetFeatureStatus(gpu_feature_info,
gpu::GPU_FEATURE_TYPE_ANDROID_SURFACE_CONTROL));
#endif
features.emplace_back(
"webgl2",
SafeGetFeatureStatus(
gpu_feature_info, gpu::GPU_FEATURE_TYPE_ACCELERATED_WEBGL2,
command_line.HasSwitch(switches::kDisableWebGL) ||
command_line.HasSwitch(switches::kDisableWebGL2)),
DisableInfo::Problem(
"WebGL2 has been disabled via blocklist or the command line."),
false);
features.emplace_back("raw_draw",
GetFakeFeatureStatus(::features::IsUsingRawDraw()));
features.emplace_back("direct_rendering_display_compositor",
GetFakeFeatureStatus(::features::IsDrDcEnabled()));
features.emplace_back(
"webgpu",
SafeGetFeatureStatus(
gpu_feature_info, gpu::GPU_FEATURE_TYPE_ACCELERATED_WEBGPU,
!command_line.HasSwitch(switches::kEnableUnsafeWebGPU) &&
!base::FeatureList::IsEnabled(::features::kWebGPUService)),
DisableInfo::Problem(
"WebGPU has been disabled via blocklist or the command line."),
false);
features.emplace_back(
"skia_graphite",
SafeGetFeatureStatus(gpu_feature_info,
gpu::GPU_FEATURE_TYPE_SKIA_GRAPHITE));
features.emplace_back(
"webnn",
SafeGetFeatureStatus(gpu_feature_info, gpu::GPU_FEATURE_TYPE_WEBNN));
return features;
}
base::Value GetFeatureStatusImpl(GpuFeatureInfoType type) {
GpuDataManagerImpl* manager = GpuDataManagerImpl::GetInstance();
std::string gpu_access_blocked_reason;
bool gpu_access_blocked;
gpu::GpuFeatureInfo gpu_feature_info;
bool is_gpu_compositing_disabled;
if (type == GpuFeatureInfoType::kCurrent) {
gpu_access_blocked = !manager->GpuAccessAllowed(&gpu_access_blocked_reason);
gpu_feature_info = manager->GetGpuFeatureInfo();
is_gpu_compositing_disabled = manager->IsGpuCompositingDisabled();
} else {
gpu_access_blocked =
!manager->GpuAccessAllowedForHardwareGpu(&gpu_access_blocked_reason);
gpu_feature_info = manager->GetGpuFeatureInfoForHardwareGpu();
is_gpu_compositing_disabled =
manager->IsGpuCompositingDisabledForHardwareGpu();
}
base::Value::Dict feature_status_dict;
for (auto& gpu_feature_data :
GetGpuFeatureData(gpu_feature_info, is_gpu_compositing_disabled)) {
std::string status;
// Features undergoing a finch controlled roll out.
if (gpu_feature_data.name == "raw_draw" ||
gpu_feature_data.name == "direct_rendering_display_compositor") {
status = gpu_feature_data.status == gpu::kGpuFeatureStatusEnabled
? "enabled_on"
: "disabled_off_ok";
} else if (gpu_access_blocked ||
gpu_feature_data.status == gpu::kGpuFeatureStatusDisabled) {
status = "disabled";
if (gpu_feature_data.fallback_to_software)
status += "_software";
else
status += "_off";
} else if (gpu_feature_data.status == gpu::kGpuFeatureStatusBlocklisted) {
status = "unavailable_off";
} else if (gpu_feature_data.status == gpu::kGpuFeatureStatusSoftware) {
status = "unavailable_software";
} else {
status = "enabled";
if (gpu_feature_data.name == "canvas_oop_rasterization") {
status += "_on";
}
if ((gpu_feature_data.name == "webgl" ||
gpu_feature_data.name == "webgl2" ||
gpu_feature_data.name == "webgpu") &&
is_gpu_compositing_disabled)
status += "_readback";
if (gpu_feature_data.name == "rasterization") {
const base::CommandLine& command_line =
*base::CommandLine::ForCurrentProcess();
if (command_line.HasSwitch(switches::kEnableGpuRasterization))
status += "_force";
}
if (gpu_feature_data.name == "multiple_raster_threads") {
const base::CommandLine& command_line =
*base::CommandLine::ForCurrentProcess();
if (command_line.HasSwitch(switches::kNumRasterThreads)) {
status += "_force";
}
status += "_on";
}
if (gpu_feature_data.name == "opengl" ||
gpu_feature_data.name == "metal" ||
gpu_feature_data.name == "vulkan" ||
gpu_feature_data.name == "skia_graphite" ||
gpu_feature_data.name == "surface_control" ||
gpu_feature_data.name == "webnn") {
status += "_on";
}
}
feature_status_dict.Set(gpu_feature_data.name, status);
}
return base::Value(std::move(feature_status_dict));
}
base::Value GetProblemsImpl(GpuFeatureInfoType type) {
GpuDataManagerImpl* manager = GpuDataManagerImpl::GetInstance();
std::string gpu_access_blocked_reason;
bool gpu_access_blocked;
gpu::GpuFeatureInfo gpu_feature_info;
bool is_gpu_compositing_disabled;
if (type == GpuFeatureInfoType::kCurrent) {
gpu_access_blocked = !manager->GpuAccessAllowed(&gpu_access_blocked_reason);
gpu_feature_info = manager->GetGpuFeatureInfo();
is_gpu_compositing_disabled = manager->IsGpuCompositingDisabled();
} else {
gpu_access_blocked =
!manager->GpuAccessAllowedForHardwareGpu(&gpu_access_blocked_reason);
gpu_feature_info = manager->GetGpuFeatureInfoForHardwareGpu();
is_gpu_compositing_disabled =
manager->IsGpuCompositingDisabledForHardwareGpu();
}
base::Value::List problem_list;
if (!gpu_feature_info.applied_gpu_blocklist_entries.empty()) {
std::unique_ptr<gpu::GpuBlocklist> blocklist(gpu::GpuBlocklist::Create());
blocklist->GetReasons(problem_list, "disabledFeatures",
gpu_feature_info.applied_gpu_blocklist_entries);
}
if (!gpu_feature_info.applied_gpu_driver_bug_list_entries.empty()) {
std::unique_ptr<gpu::GpuDriverBugList> bug_list(
gpu::GpuDriverBugList::Create());
bug_list->GetReasons(problem_list, "workarounds",
gpu_feature_info.applied_gpu_driver_bug_list_entries);
}
if (gpu_access_blocked) {
base::Value::Dict problem;
problem.Set("description",
"GPU process was unable to boot: " + gpu_access_blocked_reason);
problem.Set("crBugs", base::Value::List());
base::Value::List disabled_features;
disabled_features.Append("all");
problem.Set("affectedGpuSettings", std::move(disabled_features));
problem.Set("tag", "disabledFeatures");
problem_list.Insert(problem_list.begin(), base::Value(std::move(problem)));
}
for (auto& gpu_feature_data :
GetGpuFeatureData(gpu_feature_info, is_gpu_compositing_disabled)) {
if (gpu_feature_data.status != gpu::kGpuFeatureStatusEnabled &&
gpu_feature_data.disabled_info.is_problem) {
base::Value::Dict problem;
problem.Set("description", gpu_feature_data.disabled_info.description);
problem.Set("crBugs", base::Value::List());
base::Value::List disabled_features;
disabled_features.Append(gpu_feature_data.name);
problem.Set("affectedGpuSettings", std::move(disabled_features));
problem.Set("tag", "disabledFeatures");
problem_list.Insert(problem_list.begin(),
base::Value(std::move(problem)));
}
}
return base::Value(std::move(problem_list));
}
std::vector<std::string> GetDriverBugWorkaroundsImpl(GpuFeatureInfoType type) {
GpuDataManagerImpl* manager = GpuDataManagerImpl::GetInstance();
const gpu::GpuFeatureInfo gpu_feature_info =
type == GpuFeatureInfoType::kCurrent
? manager->GetGpuFeatureInfo()
: manager->GetGpuFeatureInfoForHardwareGpu();
std::vector<std::string> workarounds;
for (auto workaround : gpu_feature_info.enabled_gpu_driver_bug_workarounds) {
workarounds.push_back(gpu::GpuDriverBugWorkaroundTypeToString(
static_cast<gpu::GpuDriverBugWorkaroundType>(workaround)));
}
// Tell clients about the disabled extensions and disabled WebGL
// extensions as well, to avoid confusion. Do this in a way that's
// compatible with the current reporting of driver bug workarounds
// to DevTools and Telemetry, and from there to the GPU tests.
//
// This code must be kept in sync with
// GpuBenchmarking::GetGpuDriverBugWorkarounds.
for (auto ext : base::SplitString(gpu_feature_info.disabled_extensions,
" ",
base::TRIM_WHITESPACE,
base::SPLIT_WANT_NONEMPTY)) {
workarounds.push_back("disabled_extension_" + ext);
}
for (auto ext : base::SplitString(gpu_feature_info.disabled_webgl_extensions,
" ",
base::TRIM_WHITESPACE,
base::SPLIT_WANT_NONEMPTY)) {
workarounds.push_back("disabled_webgl_extension_" + ext);
}
return workarounds;
}
} // namespace
int NumberOfRendererRasterThreads() {
int num_processors = base::SysInfo::NumberOfProcessors();
#if BUILDFLAG(IS_ANDROID) || \
(BUILDFLAG(IS_CHROMEOS) && defined(ARCH_CPU_ARM_FAMILY))
// Android and ChromeOS ARM devices may report 6 to 8 CPUs for big.LITTLE
// configurations. Limit the number of raster threads based on maximum of
// 4 big cores.
num_processors = std::min(num_processors, 4);
#endif
int num_raster_threads = num_processors / 2;
#if BUILDFLAG(IS_ANDROID)
// Limit the number of raster threads to 1 on Android.
// TODO(reveman): Remove this when we have a better mechanims to prevent
// pre-paint raster work from slowing down non-raster work. crbug.com/504515
num_raster_threads = 1;
#endif
const base::CommandLine& command_line =
*base::CommandLine::ForCurrentProcess();
if (command_line.HasSwitch(switches::kNumRasterThreads)) {
std::string string_value =
command_line.GetSwitchValueASCII(switches::kNumRasterThreads);
if (!base::StringToInt(string_value, &num_raster_threads)) {
DLOG(WARNING) << "Failed to parse switch " << switches::kNumRasterThreads
<< ": " << string_value;
}
}
return std::clamp(num_raster_threads, kMinRasterThreads, kMaxRasterThreads);
}
bool IsZeroCopyUploadEnabled() {
const base::CommandLine& command_line =
*base::CommandLine::ForCurrentProcess();
#if BUILDFLAG(IS_MAC)
return !command_line.HasSwitch(blink::switches::kDisableZeroCopy);
#else
return command_line.HasSwitch(blink::switches::kEnableZeroCopy);
#endif
}
bool IsPartialRasterEnabled() {
// Partial raster is not supported with RawDraw.
if (::features::IsUsingRawDraw()) {
return false;
}
const auto& command_line = *base::CommandLine::ForCurrentProcess();
return !command_line.HasSwitch(blink::switches::kDisablePartialRaster);
}
bool IsGpuMemoryBufferCompositorResourcesEnabled() {
// To use Raw Draw, the Raw Draw shared image backing should be used, so
// not use GPU memory buffer shared image backings for compositor resources.
if (::features::IsUsingRawDraw()) {
return false;
}
const base::CommandLine& command_line =
*base::CommandLine::ForCurrentProcess();
if (command_line.HasSwitch(
blink::switches::kEnableGpuMemoryBufferCompositorResources)) {
return true;
}
if (command_line.HasSwitch(
switches::kDisableGpuMemoryBufferCompositorResources)) {
return false;
}
#if BUILDFLAG(IS_APPLE)
return true;
#elif BUILDFLAG(IS_CHROMEOS_LACROS)
return features::IsDelegatedCompositingEnabled();
#elif BUILDFLAG(IS_WIN)
return features::IsDelegatedCompositingEnabled() &&
features::kDelegatedCompositingModeParam.Get() ==
features::DelegatedCompositingMode::kFull;
#else
return false;
#endif
}
int GpuRasterizationMSAASampleCount() {
const base::CommandLine& command_line =
*base::CommandLine::ForCurrentProcess();
if (!command_line.HasSwitch(
blink::switches::kGpuRasterizationMSAASampleCount))
#if BUILDFLAG(IS_ANDROID)
return 4;
#else
// Desktop platforms will compute this automatically based on DPI.
return -1;
#endif
std::string string_value = command_line.GetSwitchValueASCII(
blink::switches::kGpuRasterizationMSAASampleCount);
int msaa_sample_count = 0;
if (base::StringToInt(string_value, &msaa_sample_count) &&
msaa_sample_count >= kMinMSAASampleCount) {
return msaa_sample_count;
} else {
DLOG(WARNING) << "Failed to parse switch "
<< blink::switches::kGpuRasterizationMSAASampleCount << ": "
<< string_value;
return 0;
}
}
bool IsMainFrameBeforeActivationEnabled() {
if (base::SysInfo::NumberOfProcessors() < 4)
return false;
if (base::CommandLine::ForCurrentProcess()->HasSwitch(
switches::kDisableMainFrameBeforeActivation)) {
return false;
}
return true;
}
base::Value GetFeatureStatus() {
return GetFeatureStatusImpl(GpuFeatureInfoType::kCurrent);
}
base::Value GetProblems() {
return GetProblemsImpl(GpuFeatureInfoType::kCurrent);
}
std::vector<std::string> GetDriverBugWorkarounds() {
return GetDriverBugWorkaroundsImpl(GpuFeatureInfoType::kCurrent);
}
base::Value GetFeatureStatusForHardwareGpu() {
return GetFeatureStatusImpl(GpuFeatureInfoType::kForHardwareGpu);
}
base::Value GetProblemsForHardwareGpu() {
return GetProblemsImpl(GpuFeatureInfoType::kForHardwareGpu);
}
std::vector<std::string> GetDriverBugWorkaroundsForHardwareGpu() {
return GetDriverBugWorkaroundsImpl(GpuFeatureInfoType::kForHardwareGpu);
}
} // namespace content