namespace {
+const char* kGpuCompositingFeatureName = "gpu_compositing";
+const char* kWebGLFeatureName = "webgl";
+const char* kRasterizationFeatureName = "rasterization";
+
struct GpuFeatureInfo {
std::string name;
uint32 blocked;
bool fallback_to_software;
};
-// Determine if accelerated-2d-canvas is supported, which depends on whether
-// lose_context could happen.
-bool SupportsAccelerated2dCanvas() {
- if (GpuDataManagerImpl::GetInstance()->GetGPUInfo().can_lose_context)
- return false;
- return true;
-}
-
-#if defined(OS_CHROMEOS)
-const size_t kNumFeatures = 14;
-#else
-const size_t kNumFeatures = 13;
-#endif
-const GpuFeatureInfo GetGpuFeatureInfo(size_t index) {
+const GpuFeatureInfo GetGpuFeatureInfo(size_t index, bool* eof) {
const CommandLine& command_line = *CommandLine::ForCurrentProcess();
GpuDataManagerImpl* manager = GpuDataManagerImpl::GetInstance();
manager->IsFeatureBlacklisted(
gpu::GPU_FEATURE_TYPE_ACCELERATED_2D_CANVAS),
command_line.HasSwitch(switches::kDisableAccelerated2dCanvas) ||
- !SupportsAccelerated2dCanvas(),
+ !GpuDataManagerImpl::GetInstance()->
+ GetGPUInfo().SupportsAccelerated2dCanvas(),
"Accelerated 2D canvas is unavailable: either disabled at the command"
" line or not supported by the current system.",
true
},
{
- "compositing",
- manager->IsFeatureBlacklisted(
- gpu::GPU_FEATURE_TYPE_ACCELERATED_COMPOSITING),
- command_line.HasSwitch(switches::kDisableAcceleratedCompositing),
- "Accelerated compositing has been disabled, either via about:flags or"
- " command line. This adversely affects performance of all hardware"
- " accelerated features.",
- true
- },
- {
- "3d_css",
- manager->IsFeatureBlacklisted(
- gpu::GPU_FEATURE_TYPE_ACCELERATED_COMPOSITING) ||
- manager->IsFeatureBlacklisted(gpu::GPU_FEATURE_TYPE_3D_CSS),
- command_line.HasSwitch(switches::kDisableAcceleratedLayers),
- "Accelerated layers have been disabled at the command line.",
- false
- },
- {
- "css_animation",
- manager->IsFeatureBlacklisted(
- gpu::GPU_FEATURE_TYPE_ACCELERATED_COMPOSITING) ||
- manager->IsFeatureBlacklisted(gpu::GPU_FEATURE_TYPE_3D_CSS),
- command_line.HasSwitch(cc::switches::kDisableThreadedAnimation) ||
- command_line.HasSwitch(switches::kDisableAcceleratedCompositing) ||
- command_line.HasSwitch(switches::kDisableAcceleratedLayers),
- "Accelerated CSS animation has been disabled at the command line.",
+ kGpuCompositingFeatureName,
+ manager->IsFeatureBlacklisted(gpu::GPU_FEATURE_TYPE_GPU_COMPOSITING),
+ false,
+ "Gpu compositing has been disabled, either via about:flags or"
+ " command line. The browser will fall back to software compositing"
+ " and hardware acceleration will be unavailable.",
true
},
{
- "webgl",
+ kWebGLFeatureName,
manager->IsFeatureBlacklisted(gpu::GPU_FEATURE_TYPE_WEBGL),
command_line.HasSwitch(switches::kDisableExperimentalWebGL),
"WebGL has been disabled, either via about:flags or command line.",
false
},
{
- "multisampling",
- manager->IsFeatureBlacklisted(gpu::GPU_FEATURE_TYPE_MULTISAMPLING),
- command_line.HasSwitch(switches::kDisableGLMultisampling),
- "Multisampling has been disabled, either via about:flags or command"
- " line.",
- false
- },
- {
"flash_3d",
manager->IsFeatureBlacklisted(gpu::GPU_FEATURE_TYPE_FLASH3D),
command_line.HasSwitch(switches::kDisableFlash3d),
false
},
{
- "texture_sharing",
- manager->IsFeatureBlacklisted(gpu::GPU_FEATURE_TYPE_TEXTURE_SHARING),
- command_line.HasSwitch(switches::kDisableImageTransportSurface),
- "Sharing textures between processes has been disabled, either via"
- " about:flags or command line.",
- false
- },
- {
"video_decode",
manager->IsFeatureBlacklisted(
gpu::GPU_FEATURE_TYPE_ACCELERATED_VIDEO_DECODE),
" or command line.",
true
},
+#if defined(ENABLE_WEBRTC)
{
- "video",
+ "video_encode",
manager->IsFeatureBlacklisted(
- gpu::GPU_FEATURE_TYPE_ACCELERATED_VIDEO),
- command_line.HasSwitch(switches::kDisableAcceleratedVideo) ||
- command_line.HasSwitch(switches::kDisableAcceleratedCompositing),
- "Accelerated video presentation has been disabled, either via"
- " about:flags or command line.",
+ gpu::GPU_FEATURE_TYPE_ACCELERATED_VIDEO_ENCODE),
+ command_line.HasSwitch(switches::kDisableWebRtcHWEncoding),
+ "Accelerated video encode has been disabled, either via about:flags"
+ " or command line.",
true
},
+#endif
#if defined(OS_CHROMEOS)
{
"panel_fitting",
},
#endif
{
- "force_compositing_mode",
+ kRasterizationFeatureName,
manager->IsFeatureBlacklisted(
- gpu::GPU_FEATURE_TYPE_FORCE_COMPOSITING_MODE) &&
- !IsForceCompositingModeEnabled(),
- !IsForceCompositingModeEnabled() &&
+ gpu::GPU_FEATURE_TYPE_GPU_RASTERIZATION) &&
+ !IsGpuRasterizationEnabled() && !IsForceGpuRasterizationEnabled(),
+ !IsGpuRasterizationEnabled() && !IsForceGpuRasterizationEnabled() &&
!manager->IsFeatureBlacklisted(
- gpu::GPU_FEATURE_TYPE_FORCE_COMPOSITING_MODE),
- "Force compositing mode is off, either disabled at the command"
- " line or not supported by the current system.",
- false
- },
+ gpu::GPU_FEATURE_TYPE_GPU_RASTERIZATION),
+ "Accelerated rasterization has not been enabled or"
+ " is not supported by the current system.",
+ true
+ }
};
+ DCHECK(index < arraysize(kGpuFeatureInfo));
+ *eof = (index == arraysize(kGpuFeatureInfo) - 1);
return kGpuFeatureInfo[index];
}
-bool CanDoAcceleratedCompositing() {
- const GpuDataManagerImpl* manager = GpuDataManagerImpl::GetInstance();
-
- // Don't use force compositing mode if gpu access has been blocked or
- // accelerated compositing is blacklisted.
- if (!manager->GpuAccessAllowed(NULL) ||
- manager->IsFeatureBlacklisted(
- gpu::GPU_FEATURE_TYPE_ACCELERATED_COMPOSITING))
- return false;
-
- // Check for SwiftShader.
- if (manager->ShouldUseSwiftShader())
- return false;
-
- const CommandLine& command_line = *CommandLine::ForCurrentProcess();
- if (command_line.HasSwitch(switches::kDisableAcceleratedCompositing))
- return false;
-
- return true;
-}
-
-bool IsForceCompositingModeBlacklisted() {
- return GpuDataManagerImpl::GetInstance()->IsFeatureBlacklisted(
- gpu::GPU_FEATURE_TYPE_FORCE_COMPOSITING_MODE);
-}
-
} // namespace
-bool IsThreadedCompositingEnabled() {
+bool IsPinchVirtualViewportEnabled() {
const CommandLine& command_line = *CommandLine::ForCurrentProcess();
- // Command line switches take precedence over blacklist.
- if (command_line.HasSwitch(switches::kDisableForceCompositingMode) ||
- command_line.HasSwitch(switches::kDisableThreadedCompositing)) {
+ // Command line switches take precedence over platform default.
+ if (command_line.HasSwitch(cc::switches::kDisablePinchVirtualViewport))
return false;
- } else if (command_line.HasSwitch(switches::kEnableThreadedCompositing)) {
+ if (command_line.HasSwitch(cc::switches::kEnablePinchVirtualViewport))
return true;
- }
-
-#if defined(USE_AURA)
- // We always want threaded compositing on Aura.
- return true;
-#endif
- if (!CanDoAcceleratedCompositing() || IsForceCompositingModeBlacklisted())
- return false;
-
-#if defined(OS_MACOSX) || defined(OS_WIN)
- // Windows Vista+ has been shipping with TCM enabled at 100% since M24 and
- // Mac OSX 10.8+ since M28. The blacklist check above takes care of returning
- // false before this hits on unsupported Win/Mac versions.
+#if defined(OS_CHROMEOS)
return true;
-#endif
-
+#else
return false;
+#endif
}
-bool IsForceCompositingModeEnabled() {
- // Force compositing mode is a subset of threaded compositing mode.
- if (IsThreadedCompositingEnabled())
- return true;
-
+bool IsThreadedCompositingEnabled() {
const CommandLine& command_line = *CommandLine::ForCurrentProcess();
- // Command line switches take precedence over blacklisting.
- if (command_line.HasSwitch(switches::kDisableForceCompositingMode))
+ // Command line switches take precedence over blacklist.
+ if (command_line.HasSwitch(switches::kDisableThreadedCompositing))
return false;
- else if (command_line.HasSwitch(switches::kForceCompositingMode))
+ if (command_line.HasSwitch(switches::kEnableThreadedCompositing))
return true;
- if (!CanDoAcceleratedCompositing() || IsForceCompositingModeBlacklisted())
- return false;
-
-#if defined(OS_MACOSX) || defined(OS_WIN)
- // Windows Vista+ has been shipping with TCM enabled at 100% since M24 and
- // Mac OSX 10.8+ since M28. The blacklist check above takes care of returning
- // false before this hits on unsupported Win/Mac versions.
+#if defined(USE_AURA) || defined(OS_MACOSX)
+ // We always want threaded compositing on Aura and Mac (the fallback is a
+ // threaded software compositor).
return true;
-#endif
-
+#else
return false;
+#endif
}
bool IsDelegatedRendererEnabled() {
enabled &= !command_line.HasSwitch(switches::kDisableDelegatedRenderer);
// Needs compositing, and thread.
- if (enabled &&
- (!IsForceCompositingModeEnabled() || !IsThreadedCompositingEnabled())) {
+ if (enabled && !IsThreadedCompositingEnabled()) {
enabled = false;
LOG(ERROR) << "Disabling delegated-rendering because it needs "
<< "force-compositing-mode and threaded-compositing.";
return enabled;
}
-bool IsDeadlineSchedulingEnabled() {
+bool IsImplSidePaintingEnabled() {
const CommandLine& command_line = *CommandLine::ForCurrentProcess();
- // Default to enabled.
- bool enabled = true;
+ if (command_line.HasSwitch(switches::kDisableImplSidePainting))
+ return false;
+ else if (command_line.HasSwitch(switches::kEnableImplSidePainting))
+ return true;
+ else if (command_line.HasSwitch(
+ switches::kEnableBleedingEdgeRenderingFastPaths))
+ return true;
- // Flags override.
- enabled |= command_line.HasSwitch(switches::kEnableDeadlineScheduling);
- enabled &= !command_line.HasSwitch(switches::kDisableDeadlineScheduling);
+#if defined(OS_ANDROID)
+ return true;
+#else
+ return false;
+#endif
+}
- return enabled;
+bool IsGpuRasterizationEnabled() {
+ const CommandLine& command_line = *CommandLine::ForCurrentProcess();
+
+ if (!IsImplSidePaintingEnabled())
+ return false;
+
+ if (command_line.HasSwitch(switches::kDisableGpuRasterization))
+ return false;
+ else if (command_line.HasSwitch(switches::kEnableGpuRasterization))
+ return true;
+
+ if (GpuDataManagerImpl::GetInstance()->IsFeatureBlacklisted(
+ gpu::GPU_FEATURE_TYPE_GPU_RASTERIZATION)) {
+ return false;
+ }
+
+ return true;
}
-base::Value* GetFeatureStatus() {
+bool IsForceGpuRasterizationEnabled() {
const CommandLine& command_line = *CommandLine::ForCurrentProcess();
+
+ if (!IsImplSidePaintingEnabled())
+ return false;
+
+ return command_line.HasSwitch(switches::kForceGpuRasterization);
+}
+
+base::Value* GetFeatureStatus() {
GpuDataManagerImpl* manager = GpuDataManagerImpl::GetInstance();
std::string gpu_access_blocked_reason;
bool gpu_access_blocked =
base::DictionaryValue* feature_status_dict = new base::DictionaryValue();
- for (size_t i = 0; i < kNumFeatures; ++i) {
- const GpuFeatureInfo gpu_feature_info = GetGpuFeatureInfo(i);
- // force_compositing_mode status is part of the compositing status.
- if (gpu_feature_info.name == "force_compositing_mode")
- continue;
-
+ bool eof = false;
+ for (size_t i = 0; !eof; ++i) {
+ const GpuFeatureInfo gpu_feature_info = GetGpuFeatureInfo(i, &eof);
std::string status;
if (gpu_feature_info.disabled) {
status = "disabled";
- if (gpu_feature_info.name == "css_animation") {
- status += "_software_animated";
- } else if (gpu_feature_info.name == "raster") {
- if (cc::switches::IsImplSidePaintingEnabled())
+ if (gpu_feature_info.name == kRasterizationFeatureName) {
+ if (IsImplSidePaintingEnabled())
status += "_software_multithreaded";
else
status += "_software";
status += "_off";
} else {
status = "enabled";
- if (gpu_feature_info.name == "webgl" &&
- (command_line.HasSwitch(switches::kDisableAcceleratedCompositing) ||
- manager->IsFeatureBlacklisted(
- gpu::GPU_FEATURE_TYPE_ACCELERATED_COMPOSITING)))
+ if (gpu_feature_info.name == kWebGLFeatureName &&
+ manager->IsFeatureBlacklisted(gpu::GPU_FEATURE_TYPE_GPU_COMPOSITING))
status += "_readback";
- bool has_thread = IsThreadedCompositingEnabled();
- if (gpu_feature_info.name == "compositing") {
- bool force_compositing = IsForceCompositingModeEnabled();
- if (force_compositing)
+ if (gpu_feature_info.name == kRasterizationFeatureName) {
+ if (IsForceGpuRasterizationEnabled())
status += "_force";
- if (has_thread)
- status += "_threaded";
- }
- if (gpu_feature_info.name == "css_animation") {
- if (has_thread)
- status = "accelerated_threaded";
- else
- status = "accelerated";
}
}
- // TODO(reveman): Remove this when crbug.com/223286 has been fixed.
- if (gpu_feature_info.name == "raster" &&
- cc::switches::IsImplSidePaintingEnabled()) {
- status = "disabled_software_multithreaded";
+ if (gpu_feature_info.name == kGpuCompositingFeatureName) {
+ if (IsThreadedCompositingEnabled())
+ status += "_threaded";
}
feature_status_dict->SetString(
gpu_feature_info.name.c_str(), status.c_str());
}
- gpu::GpuSwitchingOption gpu_switching_option =
- manager->GetGpuSwitchingOption();
- if (gpu_switching_option != gpu::GPU_SWITCHING_OPTION_UNKNOWN) {
- std::string gpu_switching;
- switch (gpu_switching_option) {
- case gpu::GPU_SWITCHING_OPTION_AUTOMATIC:
- gpu_switching = "gpu_switching_automatic";
- break;
- case gpu::GPU_SWITCHING_OPTION_FORCE_DISCRETE:
- gpu_switching = "gpu_switching_force_discrete";
- break;
- case gpu::GPU_SWITCHING_OPTION_FORCE_INTEGRATED:
- gpu_switching = "gpu_switching_force_integrated";
- break;
- default:
- break;
- }
- feature_status_dict->SetString("gpu_switching", gpu_switching.c_str());
- }
return feature_status_dict;
}
"GPU process was unable to boot: " + gpu_access_blocked_reason);
problem->Set("crBugs", new base::ListValue());
problem->Set("webkitBugs", new base::ListValue());
+ base::ListValue* disabled_features = new base::ListValue();
+ disabled_features->AppendString("all");
+ problem->Set("affectedGpuSettings", disabled_features);
+ problem->SetString("tag", "disabledFeatures");
problem_list->Insert(0, problem);
}
- for (size_t i = 0; i < kNumFeatures; ++i) {
- const GpuFeatureInfo gpu_feature_info = GetGpuFeatureInfo(i);
+ bool eof = false;
+ for (size_t i = 0; !eof; ++i) {
+ const GpuFeatureInfo gpu_feature_info = GetGpuFeatureInfo(i, &eof);
if (gpu_feature_info.disabled) {
base::DictionaryValue* problem = new base::DictionaryValue();
problem->SetString(
"description", gpu_feature_info.disabled_description);
problem->Set("crBugs", new base::ListValue());
problem->Set("webkitBugs", new base::ListValue());
+ base::ListValue* disabled_features = new base::ListValue();
+ disabled_features->AppendString(gpu_feature_info.name);
+ problem->Set("affectedGpuSettings", disabled_features);
+ problem->SetString("tag", "disabledFeatures");
problem_list->Append(problem);
}
}