| // 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/gpu/compositor_util.h" |
| |
| #include <stddef.h> |
| #include <memory> |
| |
| #include <utility> |
| |
| #include "base/command_line.h" |
| #include "base/feature_list.h" |
| #include "base/logging.h" |
| #include "base/macros.h" |
| #include "base/metrics/field_trial.h" |
| #include "base/numerics/ranges.h" |
| #include "base/strings/string_number_conversions.h" |
| #include "base/sys_info.h" |
| #include "build/build_config.h" |
| #include "cc/base/switches.h" |
| #include "content/browser/gpu/gpu_data_manager_impl.h" |
| #include "content/public/common/content_features.h" |
| #include "content/public/common/content_switches.h" |
| #include "gpu/command_buffer/common/gpu_memory_buffer_support.h" |
| #include "gpu/config/gpu_feature_type.h" |
| #include "gpu/config/gpu_finch_features.h" |
| #include "gpu/config/gpu_switches.h" |
| #include "gpu/ipc/host/gpu_memory_buffer_support.h" |
| #include "media/media_features.h" |
| #include "ui/gl/gl_switches.h" |
| |
| namespace content { |
| |
| namespace { |
| |
| const int kMinRasterThreads = 1; |
| const int kMaxRasterThreads = 4; |
| |
| const int kMinMSAASampleCount = 0; |
| |
| struct GpuFeatureData { |
| std::string name; |
| gpu::GpuFeatureStatus status; |
| bool disabled; |
| std::string disabled_description; |
| bool fallback_to_software; |
| }; |
| |
| bool IsForceGpuRasterizationEnabled() { |
| base::CommandLine* command_line = base::CommandLine::ForCurrentProcess(); |
| return command_line->HasSwitch(switches::kForceGpuRasterization); |
| } |
| |
| const GpuFeatureData GetGpuFeatureData(size_t index, bool* eof) { |
| const base::CommandLine& command_line = |
| *base::CommandLine::ForCurrentProcess(); |
| GpuDataManagerImpl* manager = GpuDataManagerImpl::GetInstance(); |
| DCHECK(manager->IsGpuFeatureInfoAvailable()); |
| |
| const GpuFeatureData kGpuFeatureData[] = { |
| {"2d_canvas", |
| manager->GetFeatureStatus(gpu::GPU_FEATURE_TYPE_ACCELERATED_2D_CANVAS), |
| command_line.HasSwitch(switches::kDisableAccelerated2dCanvas), |
| "Accelerated 2D canvas is unavailable: either disabled via blacklist or" |
| " the command line.", |
| true}, |
| {"gpu_compositing", |
| manager->GetFeatureStatus(gpu::GPU_FEATURE_TYPE_GPU_COMPOSITING), |
| command_line.HasSwitch(switches::kDisableGpuCompositing), |
| "Gpu compositing has been disabled, either via blacklist, about:flags" |
| " or the command line. The browser will fall back to software " |
| "compositing" |
| " and hardware acceleration will be unavailable.", |
| true}, |
| {"webgl", |
| manager->GetFeatureStatus(gpu::GPU_FEATURE_TYPE_ACCELERATED_WEBGL), |
| command_line.HasSwitch(switches::kDisableWebGL), |
| "WebGL has been disabled via blacklist or the command line.", false}, |
| {"flash_3d", manager->GetFeatureStatus(gpu::GPU_FEATURE_TYPE_FLASH3D), |
| command_line.HasSwitch(switches::kDisableFlash3d), |
| "Using 3d in flash has been disabled, either via blacklist, about:flags " |
| "or" |
| " the command line.", |
| true}, |
| {"flash_stage3d", |
| manager->GetFeatureStatus(gpu::GPU_FEATURE_TYPE_FLASH_STAGE3D), |
| command_line.HasSwitch(switches::kDisableFlashStage3d), |
| "Using Stage3d in Flash has been disabled, either via blacklist," |
| " about:flags or the command line.", |
| true}, |
| {"flash_stage3d_baseline", |
| manager->GetFeatureStatus(gpu::GPU_FEATURE_TYPE_FLASH_STAGE3D_BASELINE), |
| command_line.HasSwitch(switches::kDisableFlashStage3d), |
| "Using Stage3d Baseline profile in Flash has been disabled, either" |
| " via blacklist, about:flags or the command line.", |
| true}, |
| {"video_decode", |
| manager->GetFeatureStatus( |
| gpu::GPU_FEATURE_TYPE_ACCELERATED_VIDEO_DECODE), |
| command_line.HasSwitch(switches::kDisableAcceleratedVideoDecode), |
| "Accelerated video decode has been disabled, either via blacklist," |
| " about:flags or the command line.", |
| true}, |
| {"rasterization", |
| manager->GetFeatureStatus(gpu::GPU_FEATURE_TYPE_GPU_RASTERIZATION), |
| (command_line.HasSwitch(switches::kDisableGpuRasterization) && |
| !IsForceGpuRasterizationEnabled()), |
| "Accelerated rasterization has been disabled, either via blacklist," |
| " about:flags or the command line.", |
| true}, |
| {"multiple_raster_threads", gpu::kGpuFeatureStatusEnabled, |
| NumberOfRendererRasterThreads() == 1, "Raster is using a single thread.", |
| false}, |
| {"native_gpu_memory_buffers", gpu::kGpuFeatureStatusEnabled, |
| !gpu::AreNativeGpuMemoryBuffersEnabled(), |
| "Native GpuMemoryBuffers have been disabled, either via about:flags" |
| " or command line.", |
| true}, |
| {"webgl2", |
| manager->GetFeatureStatus(gpu::GPU_FEATURE_TYPE_ACCELERATED_WEBGL2), |
| (command_line.HasSwitch(switches::kDisableWebGL) || |
| command_line.HasSwitch(switches::kDisableWebGL2)), |
| "WebGL2 has been disabled via blacklist or the command line.", false}, |
| {"checker_imaging", gpu::kGpuFeatureStatusEnabled, |
| !IsCheckerImagingEnabled(), |
| "Checker-imaging has been disabled via finch trial or the command line.", |
| false}, |
| }; |
| DCHECK(index < arraysize(kGpuFeatureData)); |
| *eof = (index == arraysize(kGpuFeatureData) - 1); |
| return kGpuFeatureData[index]; |
| } |
| |
| } // namespace |
| |
| int NumberOfRendererRasterThreads() { |
| int num_processors = base::SysInfo::NumberOfProcessors(); |
| |
| #if defined(OS_ANDROID) || \ |
| (defined(OS_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 defined(OS_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 base::ClampToRange(num_raster_threads, kMinRasterThreads, |
| kMaxRasterThreads); |
| } |
| |
| bool IsZeroCopyUploadEnabled() { |
| const base::CommandLine& command_line = |
| *base::CommandLine::ForCurrentProcess(); |
| #if defined(OS_MACOSX) |
| return !command_line.HasSwitch(switches::kDisableZeroCopy); |
| #else |
| return command_line.HasSwitch(switches::kEnableZeroCopy); |
| #endif |
| } |
| |
| bool IsPartialRasterEnabled() { |
| const auto& command_line = *base::CommandLine::ForCurrentProcess(); |
| return !command_line.HasSwitch(switches::kDisablePartialRaster); |
| } |
| |
| bool IsGpuMemoryBufferCompositorResourcesEnabled() { |
| const base::CommandLine& command_line = |
| *base::CommandLine::ForCurrentProcess(); |
| if (command_line.HasSwitch( |
| switches::kEnableGpuMemoryBufferCompositorResources)) { |
| return true; |
| } |
| if (command_line.HasSwitch( |
| switches::kDisableGpuMemoryBufferCompositorResources)) { |
| return false; |
| } |
| |
| // Native GPU memory buffers are required. |
| if (!gpu::AreNativeGpuMemoryBuffersEnabled()) |
| return false; |
| |
| #if defined(OS_MACOSX) |
| return true; |
| #else |
| return false; |
| #endif |
| } |
| |
| int GpuRasterizationMSAASampleCount() { |
| const base::CommandLine& command_line = |
| *base::CommandLine::ForCurrentProcess(); |
| |
| if (!command_line.HasSwitch(switches::kGpuRasterizationMSAASampleCount)) |
| #if defined(OS_ANDROID) |
| return 4; |
| #else |
| // Desktop platforms will compute this automatically based on DPI. |
| return -1; |
| #endif |
| std::string string_value = command_line.GetSwitchValueASCII( |
| 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 " |
| << switches::kGpuRasterizationMSAASampleCount << ": " |
| << string_value; |
| return 0; |
| } |
| } |
| |
| bool IsMainFrameBeforeActivationEnabled() { |
| if (base::SysInfo::NumberOfProcessors() < 4) |
| return false; |
| |
| if (base::CommandLine::ForCurrentProcess()->HasSwitch( |
| cc::switches::kDisableMainFrameBeforeActivation)) |
| return false; |
| |
| return true; |
| } |
| |
| bool IsCheckerImagingEnabled() { |
| if (base::CommandLine::ForCurrentProcess()->HasSwitch( |
| cc::switches::kDisableCheckerImaging)) |
| return false; |
| |
| if (base::CommandLine::ForCurrentProcess()->HasSwitch( |
| cc::switches::kEnableCheckerImaging)) |
| return true; |
| |
| if (base::FeatureList::IsEnabled(features::kCheckerImaging)) |
| return true; |
| |
| return false; |
| } |
| |
| bool IsCompositorImageAnimationEnabled() { |
| if (base::CommandLine::ForCurrentProcess()->HasSwitch( |
| switches::kEnableCompositorImageAnimations)) |
| return true; |
| |
| if (base::FeatureList::IsEnabled(features::kCompositorImageAnimation)) |
| return true; |
| |
| return false; |
| } |
| |
| std::unique_ptr<base::DictionaryValue> GetFeatureStatus() { |
| GpuDataManagerImpl* manager = GpuDataManagerImpl::GetInstance(); |
| std::string gpu_access_blocked_reason; |
| bool gpu_access_blocked = |
| !manager->GpuAccessAllowed(&gpu_access_blocked_reason); |
| |
| auto feature_status_dict = std::make_unique<base::DictionaryValue>(); |
| |
| bool eof = false; |
| for (size_t i = 0; !eof; ++i) { |
| const GpuFeatureData gpu_feature_data = GetGpuFeatureData(i, &eof); |
| std::string status; |
| if (gpu_feature_data.disabled || 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::kGpuFeatureStatusBlacklisted) { |
| status = "unavailable_off"; |
| } else if (gpu_feature_data.status == gpu::kGpuFeatureStatusSoftware) { |
| status = "unavailable_software"; |
| } else { |
| status = "enabled"; |
| if ((gpu_feature_data.name == "webgl" || |
| gpu_feature_data.name == "webgl2") && |
| (manager->GetFeatureStatus(gpu::GPU_FEATURE_TYPE_GPU_COMPOSITING) != |
| gpu::kGpuFeatureStatusEnabled)) |
| status += "_readback"; |
| if (gpu_feature_data.name == "rasterization") { |
| if (IsForceGpuRasterizationEnabled()) |
| 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 == "checker_imaging") { |
| const base::CommandLine& command_line = |
| *base::CommandLine::ForCurrentProcess(); |
| if (command_line.HasSwitch(cc::switches::kEnableCheckerImaging)) |
| status += "_force"; |
| status += "_on"; |
| } |
| } |
| feature_status_dict->SetString(gpu_feature_data.name, status); |
| } |
| return feature_status_dict; |
| } |
| |
| std::unique_ptr<base::ListValue> GetProblems() { |
| GpuDataManagerImpl* manager = GpuDataManagerImpl::GetInstance(); |
| std::string gpu_access_blocked_reason; |
| bool gpu_access_blocked = |
| !manager->GpuAccessAllowed(&gpu_access_blocked_reason); |
| |
| auto problem_list = std::make_unique<base::ListValue>(); |
| manager->GetBlacklistReasons(problem_list.get()); |
| |
| if (gpu_access_blocked) { |
| auto problem = std::make_unique<base::DictionaryValue>(); |
| problem->SetString("description", |
| "GPU process was unable to boot: " + gpu_access_blocked_reason); |
| problem->Set("crBugs", std::make_unique<base::ListValue>()); |
| auto disabled_features = std::make_unique<base::ListValue>(); |
| disabled_features->AppendString("all"); |
| problem->Set("affectedGpuSettings", std::move(disabled_features)); |
| problem->SetString("tag", "disabledFeatures"); |
| problem_list->Insert(0, std::move(problem)); |
| } |
| |
| bool eof = false; |
| for (size_t i = 0; !eof; ++i) { |
| const GpuFeatureData gpu_feature_data = GetGpuFeatureData(i, &eof); |
| if (gpu_feature_data.disabled) { |
| auto problem = std::make_unique<base::DictionaryValue>(); |
| problem->SetString("description", gpu_feature_data.disabled_description); |
| problem->Set("crBugs", std::make_unique<base::ListValue>()); |
| auto disabled_features = std::make_unique<base::ListValue>(); |
| disabled_features->AppendString(gpu_feature_data.name); |
| problem->Set("affectedGpuSettings", std::move(disabled_features)); |
| problem->SetString("tag", "disabledFeatures"); |
| problem_list->Append(std::move(problem)); |
| } |
| } |
| return problem_list; |
| } |
| |
| std::vector<std::string> GetDriverBugWorkarounds() { |
| return GpuDataManagerImpl::GetInstance()->GetDriverBugWorkarounds(); |
| } |
| |
| std::vector<gfx::BufferUsageAndFormat> |
| CreateBufferUsageAndFormatExceptionList() { |
| std::vector<gfx::BufferUsageAndFormat> usage_format_list; |
| for (int usage_idx = 0; usage_idx <= static_cast<int>(gfx::BufferUsage::LAST); |
| ++usage_idx) { |
| gfx::BufferUsage usage = static_cast<gfx::BufferUsage>(usage_idx); |
| for (int format_idx = 0; |
| format_idx <= static_cast<int>(gfx::BufferFormat::LAST); |
| ++format_idx) { |
| gfx::BufferFormat format = static_cast<gfx::BufferFormat>(format_idx); |
| if (gpu::GetImageNeedsPlatformSpecificTextureTarget(format, usage)) |
| usage_format_list.push_back(gfx::BufferUsageAndFormat(usage, format)); |
| } |
| } |
| return usage_format_list; |
| } |
| |
| } // namespace content |