| // Copyright (c) 2017 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 "gpu/ipc/service/gles2_command_buffer_stub.h" |
| |
| #include <memory> |
| #include <utility> |
| |
| #include "base/bind.h" |
| #include "base/bind_helpers.h" |
| #include "base/hash.h" |
| #include "base/json/json_writer.h" |
| #include "base/macros.h" |
| #include "base/memory/memory_pressure_listener.h" |
| #include "base/memory/shared_memory.h" |
| #include "base/metrics/histogram_macros.h" |
| #include "base/single_thread_task_runner.h" |
| #include "base/time/time.h" |
| #include "base/trace_event/trace_event.h" |
| #include "build/build_config.h" |
| #include "components/viz/common/features.h" |
| #include "gpu/command_buffer/common/constants.h" |
| #include "gpu/command_buffer/common/gpu_memory_buffer_support.h" |
| #include "gpu/command_buffer/common/mailbox.h" |
| #include "gpu/command_buffer/common/presentation_feedback_utils.h" |
| #include "gpu/command_buffer/common/swap_buffers_flags.h" |
| #include "gpu/command_buffer/service/gl_context_virtual.h" |
| #include "gpu/command_buffer/service/gl_state_restorer_impl.h" |
| #include "gpu/command_buffer/service/image_manager.h" |
| #include "gpu/command_buffer/service/logger.h" |
| #include "gpu/command_buffer/service/mailbox_manager.h" |
| #include "gpu/command_buffer/service/memory_tracking.h" |
| #include "gpu/command_buffer/service/service_utils.h" |
| #include "gpu/command_buffer/service/sync_point_manager.h" |
| #include "gpu/command_buffer/service/transfer_buffer_manager.h" |
| #include "gpu/config/gpu_crash_keys.h" |
| #include "gpu/ipc/common/gpu_messages.h" |
| #include "gpu/ipc/service/gpu_channel.h" |
| #include "gpu/ipc/service/gpu_channel_manager.h" |
| #include "gpu/ipc/service/gpu_channel_manager_delegate.h" |
| #include "gpu/ipc/service/gpu_memory_buffer_factory.h" |
| #include "gpu/ipc/service/gpu_watchdog_thread.h" |
| #include "gpu/ipc/service/image_transport_surface.h" |
| #include "ui/gl/gl_bindings.h" |
| #include "ui/gl/gl_context.h" |
| #include "ui/gl/gl_image.h" |
| #include "ui/gl/gl_implementation.h" |
| #include "ui/gl/gl_switches.h" |
| #include "ui/gl/gl_workarounds.h" |
| #include "ui/gl/init/gl_factory.h" |
| |
| #if defined(OS_WIN) |
| #include "base/win/win_util.h" |
| #endif |
| |
| #if defined(OS_ANDROID) |
| #include "gpu/ipc/service/stream_texture_android.h" |
| #endif |
| |
| namespace gpu { |
| |
| GLES2CommandBufferStub::GLES2CommandBufferStub( |
| GpuChannel* channel, |
| const GPUCreateCommandBufferConfig& init_params, |
| CommandBufferId command_buffer_id, |
| SequenceId sequence_id, |
| int32_t stream_id, |
| int32_t route_id) |
| : CommandBufferStub(channel, |
| init_params, |
| command_buffer_id, |
| sequence_id, |
| stream_id, |
| route_id), |
| gles2_decoder_(nullptr), |
| weak_ptr_factory_(this) {} |
| |
| GLES2CommandBufferStub::~GLES2CommandBufferStub() {} |
| |
| gpu::ContextResult GLES2CommandBufferStub::Initialize( |
| CommandBufferStub* share_command_buffer_stub, |
| const GPUCreateCommandBufferConfig& init_params, |
| base::UnsafeSharedMemoryRegion shared_state_shm) { |
| TRACE_EVENT0("gpu", "GLES2CommandBufferStub::Initialize"); |
| FastSetActiveURL(active_url_, active_url_hash_, channel_); |
| |
| GpuChannelManager* manager = channel_->gpu_channel_manager(); |
| DCHECK(manager); |
| |
| if (share_command_buffer_stub) { |
| context_group_ = share_command_buffer_stub->context_group(); |
| DCHECK(context_group_->bind_generates_resource() == |
| init_params.attribs.bind_generates_resource); |
| } else { |
| scoped_refptr<gles2::FeatureInfo> feature_info = new gles2::FeatureInfo( |
| manager->gpu_driver_bug_workarounds(), manager->gpu_feature_info()); |
| gpu::GpuMemoryBufferFactory* gmb_factory = |
| manager->gpu_memory_buffer_factory(); |
| context_group_ = new gles2::ContextGroup( |
| manager->gpu_preferences(), gles2::PassthroughCommandDecoderSupported(), |
| manager->mailbox_manager(), CreateMemoryTracker(init_params), |
| manager->shader_translator_cache(), |
| manager->framebuffer_completeness_cache(), feature_info, |
| init_params.attribs.bind_generates_resource, channel_->image_manager(), |
| gmb_factory ? gmb_factory->AsImageFactory() : nullptr, |
| manager->watchdog() /* progress_reporter */, |
| manager->gpu_feature_info(), manager->discardable_manager(), |
| manager->passthrough_discardable_manager(), |
| manager->shared_image_manager()); |
| } |
| |
| #if defined(OS_MACOSX) |
| // Virtualize PreferIntegratedGpu contexts by default on OS X to prevent |
| // performance regressions when enabling FCM. |
| // http://crbug.com/180463 |
| if (init_params.attribs.gpu_preference == gl::PreferIntegratedGpu) |
| use_virtualized_gl_context_ = true; |
| #endif |
| |
| use_virtualized_gl_context_ |= |
| context_group_->feature_info()->workarounds().use_virtualized_gl_contexts; |
| |
| // MailboxManagerSync synchronization correctness currently depends on having |
| // only a single context. See crbug.com/510243 for details. |
| use_virtualized_gl_context_ |= manager->mailbox_manager()->UsesSync(); |
| |
| #if defined(OS_MACOSX) |
| // TODO(penghuang): remove below line when the framebuffer issue is fixed in |
| // skia. https://crbug.com/914495 |
| use_virtualized_gl_context_ &= !features::IsUsingSkiaRenderer(); |
| #endif |
| |
| bool offscreen = (surface_handle_ == kNullSurfaceHandle); |
| gl::GLSurface* default_surface = manager->default_offscreen_surface(); |
| // On low-spec Android devices, the default offscreen surface is |
| // RGB565, but WebGL rendering contexts still ask for RGBA8888 mode. |
| // That combination works for offscreen rendering, we can still use |
| // a virtualized context with the RGB565 backing surface since we're |
| // not drawing to that. Explicitly set that as the desired surface |
| // format to ensure it's treated as compatible where applicable. |
| gl::GLSurfaceFormat surface_format = |
| offscreen ? default_surface->GetFormat() : gl::GLSurfaceFormat(); |
| #if defined(OS_ANDROID) |
| if (init_params.attribs.red_size <= 5 && |
| init_params.attribs.green_size <= 6 && |
| init_params.attribs.blue_size <= 5 && |
| init_params.attribs.alpha_size == 0) { |
| // We hit this code path when creating the onscreen render context |
| // used for compositing on low-end Android devices. |
| // |
| // TODO(klausw): explicitly copy rgba sizes? Currently the formats |
| // supported are only RGB565 and default (RGBA8888). |
| surface_format.SetRGB565(); |
| DVLOG(1) << __FUNCTION__ << ": Choosing RGB565 mode."; |
| } |
| |
| // We can only use virtualized contexts for onscreen command buffers if their |
| // config is compatible with the offscreen ones - otherwise MakeCurrent fails. |
| // Example use case is a client requesting an onscreen RGBA8888 buffer for |
| // fullscreen video on a low-spec device with RGB565 default format. |
| if (!surface_format.IsCompatible(default_surface->GetFormat()) && !offscreen) |
| use_virtualized_gl_context_ = false; |
| #endif |
| |
| command_buffer_ = std::make_unique<CommandBufferService>( |
| this, context_group_->transfer_buffer_manager()); |
| gles2_decoder_ = gles2::GLES2Decoder::Create( |
| this, command_buffer_.get(), manager->outputter(), context_group_.get()); |
| set_decoder_context(std::unique_ptr<DecoderContext>(gles2_decoder_)); |
| |
| sync_point_client_state_ = |
| channel_->sync_point_manager()->CreateSyncPointClientState( |
| CommandBufferNamespace::GPU_IO, command_buffer_id_, sequence_id_); |
| |
| if (offscreen) { |
| // Do we want to create an offscreen rendering context suitable |
| // for directly drawing to a separately supplied surface? In that |
| // case, we must ensure that the surface used for context creation |
| // is compatible with the requested attributes. This is explicitly |
| // opt-in since some context such as for NaCl request custom |
| // attributes but don't expect to get their own surface, and not |
| // all surface factories support custom formats. |
| if (init_params.attribs.own_offscreen_surface) { |
| if (init_params.attribs.depth_size > 0) { |
| surface_format.SetDepthBits(init_params.attribs.depth_size); |
| } |
| if (init_params.attribs.samples > 0) { |
| surface_format.SetSamples(init_params.attribs.samples); |
| } |
| if (init_params.attribs.stencil_size > 0) { |
| surface_format.SetStencilBits(init_params.attribs.stencil_size); |
| } |
| // Currently, we can't separately control alpha channel for surfaces, |
| // it's generally enabled by default except for RGB565 and (on desktop) |
| // smaller-than-32bit formats. |
| // |
| // TODO(klausw): use init_params.attribs.alpha_size here if possible. |
| } |
| if (!surface_format.IsCompatible(default_surface->GetFormat())) { |
| DVLOG(1) << __FUNCTION__ << ": Hit the OwnOffscreenSurface path"; |
| use_virtualized_gl_context_ = false; |
| surface_ = gl::init::CreateOffscreenGLSurfaceWithFormat(gfx::Size(), |
| surface_format); |
| if (!surface_) { |
| LOG(ERROR) |
| << "ContextResult::kSurfaceFailure: Failed to create surface."; |
| return gpu::ContextResult::kSurfaceFailure; |
| } |
| } else { |
| surface_ = default_surface; |
| } |
| } else { |
| switch (init_params.attribs.color_space) { |
| case COLOR_SPACE_UNSPECIFIED: |
| surface_format.SetColorSpace( |
| gl::GLSurfaceFormat::COLOR_SPACE_UNSPECIFIED); |
| break; |
| case COLOR_SPACE_SRGB: |
| surface_format.SetColorSpace(gl::GLSurfaceFormat::COLOR_SPACE_SRGB); |
| break; |
| case COLOR_SPACE_DISPLAY_P3: |
| surface_format.SetColorSpace( |
| gl::GLSurfaceFormat::COLOR_SPACE_DISPLAY_P3); |
| break; |
| } |
| surface_ = ImageTransportSurface::CreateNativeSurface( |
| weak_ptr_factory_.GetWeakPtr(), surface_handle_, surface_format); |
| if (!surface_ || !surface_->Initialize(surface_format)) { |
| surface_ = nullptr; |
| LOG(ERROR) << "ContextResult::kSurfaceFailure: Failed to create surface."; |
| return gpu::ContextResult::kSurfaceFailure; |
| } |
| if (init_params.attribs.enable_swap_timestamps_if_supported && |
| surface_->SupportsSwapTimestamps()) |
| surface_->SetEnableSwapTimestamps(); |
| } |
| |
| if (context_group_->use_passthrough_cmd_decoder()) { |
| // Virtualized contexts don't work with passthrough command decoder. |
| // See https://crbug.com/914976 |
| use_virtualized_gl_context_ = false; |
| // When using the passthrough command decoder, only share with other |
| // contexts in the explicitly requested share group |
| if (share_command_buffer_stub) { |
| share_group_ = share_command_buffer_stub->share_group(); |
| } else { |
| share_group_ = base::MakeRefCounted<gl::GLShareGroup>(); |
| } |
| } else { |
| // When using the validating command decoder, always use the global share |
| // group |
| share_group_ = channel_->share_group(); |
| } |
| |
| // TODO(sunnyps): Should this use ScopedCrashKey instead? |
| crash_keys::gpu_gl_context_is_virtual.Set(use_virtualized_gl_context_ ? "1" |
| : "0"); |
| |
| scoped_refptr<gl::GLContext> context; |
| if (use_virtualized_gl_context_ && share_group_) { |
| context = share_group_->GetSharedContext(surface_.get()); |
| if (!context) { |
| context = gl::init::CreateGLContext( |
| share_group_.get(), surface_.get(), |
| GenerateGLContextAttribs(init_params.attribs, context_group_.get())); |
| if (!context) { |
| // TODO(piman): This might not be fatal, we could recurse into |
| // CreateGLContext to get more info, tho it should be exceedingly |
| // rare and may not be recoverable anyway. |
| LOG(ERROR) << "ContextResult::kFatalFailure: " |
| "Failed to create shared context for virtualization."; |
| return gpu::ContextResult::kFatalFailure; |
| } |
| // Ensure that context creation did not lose track of the intended share |
| // group. |
| DCHECK(context->share_group() == share_group_.get()); |
| share_group_->SetSharedContext(surface_.get(), context.get()); |
| |
| // This needs to be called against the real shared context, not the |
| // virtual context created below. |
| manager->gpu_feature_info().ApplyToGLContext(context.get()); |
| } |
| // This should be either: |
| // (1) a non-virtual GL context, or |
| // (2) a mock/stub context. |
| DCHECK(context->GetHandle() || |
| gl::GetGLImplementation() == gl::kGLImplementationMockGL || |
| gl::GetGLImplementation() == gl::kGLImplementationStubGL); |
| context = base::MakeRefCounted<GLContextVirtual>( |
| share_group_.get(), context.get(), gles2_decoder_->AsWeakPtr()); |
| if (!context->Initialize(surface_.get(), |
| GenerateGLContextAttribs(init_params.attribs, |
| context_group_.get()))) { |
| // The real context created above for the default offscreen surface |
| // might not be compatible with this surface. |
| context = nullptr; |
| // TODO(piman): This might not be fatal, we could recurse into |
| // CreateGLContext to get more info, tho it should be exceedingly |
| // rare and may not be recoverable anyway. |
| LOG(ERROR) << "ContextResult::kFatalFailure: " |
| "Failed to initialize virtual GL context."; |
| return gpu::ContextResult::kFatalFailure; |
| } |
| } else { |
| context = gl::init::CreateGLContext( |
| share_group_.get(), surface_.get(), |
| GenerateGLContextAttribs(init_params.attribs, context_group_.get())); |
| if (!context) { |
| // TODO(piman): This might not be fatal, we could recurse into |
| // CreateGLContext to get more info, tho it should be exceedingly |
| // rare and may not be recoverable anyway. |
| LOG(ERROR) << "ContextResult::kFatalFailure: Failed to create context."; |
| return gpu::ContextResult::kFatalFailure; |
| } |
| |
| manager->gpu_feature_info().ApplyToGLContext(context.get()); |
| } |
| |
| if (!context->MakeCurrent(surface_.get())) { |
| LOG(ERROR) << "ContextResult::kTransientFailure: " |
| "Failed to make context current."; |
| return gpu::ContextResult::kTransientFailure; |
| } |
| |
| if (!context->GetGLStateRestorer()) { |
| context->SetGLStateRestorer( |
| new GLStateRestorerImpl(gles2_decoder_->AsWeakPtr())); |
| } |
| |
| if (!context_group_->has_program_cache() && |
| !context_group_->feature_info()->workarounds().disable_program_cache) { |
| context_group_->set_program_cache(manager->program_cache()); |
| } |
| |
| // Initialize the decoder with either the view or pbuffer GLContext. |
| auto result = gles2_decoder_->Initialize(surface_, context, offscreen, |
| gpu::gles2::DisallowedFeatures(), |
| init_params.attribs); |
| if (result != gpu::ContextResult::kSuccess) { |
| DLOG(ERROR) << "Failed to initialize decoder."; |
| return result; |
| } |
| |
| if (manager->gpu_preferences().enable_gpu_service_logging) { |
| gles2_decoder_->SetLogCommands(true); |
| } |
| |
| const size_t kSharedStateSize = sizeof(CommandBufferSharedState); |
| base::WritableSharedMemoryMapping shared_state_mapping = |
| shared_state_shm.MapAt(0, kSharedStateSize); |
| if (!shared_state_mapping.IsValid()) { |
| LOG(ERROR) << "ContextResult::kFatalFailure: " |
| "Failed to map shared state buffer."; |
| return gpu::ContextResult::kFatalFailure; |
| } |
| command_buffer_->SetSharedStateBuffer(MakeBackingFromSharedMemory( |
| std::move(shared_state_shm), std::move(shared_state_mapping))); |
| |
| if (offscreen && !active_url_.is_empty()) |
| manager->delegate()->DidCreateOffscreenContext(active_url_); |
| |
| if (use_virtualized_gl_context_) { |
| // If virtualized GL contexts are in use, then real GL context state |
| // is in an indeterminate state, since the GLStateRestorer was not |
| // initialized at the time the GLContextVirtual was made current. In |
| // the case that this command decoder is the next one to be |
| // processed, force a "full virtual" MakeCurrent to be performed. |
| // Note that GpuChannel's initialization of the gpu::Capabilities |
| // expects the context to be left current. |
| context->ForceReleaseVirtuallyCurrent(); |
| if (!context->MakeCurrent(surface_.get())) { |
| LOG(ERROR) << "ContextResult::kTransientFailure: " |
| "Failed to make context current after initialization."; |
| return gpu::ContextResult::kTransientFailure; |
| } |
| } |
| |
| manager->delegate()->DidCreateContextSuccessfully(); |
| initialized_ = true; |
| return gpu::ContextResult::kSuccess; |
| } |
| |
| #if defined(OS_WIN) |
| void GLES2CommandBufferStub::DidCreateAcceleratedSurfaceChildWindow( |
| SurfaceHandle parent_window, |
| SurfaceHandle child_window) { |
| GpuChannelManager* gpu_channel_manager = channel_->gpu_channel_manager(); |
| gpu_channel_manager->delegate()->SendCreatedChildWindow(parent_window, |
| child_window); |
| } |
| #endif |
| |
| void GLES2CommandBufferStub::DidSwapBuffersComplete( |
| SwapBuffersCompleteParams params) { |
| params.swap_response.swap_id = pending_swap_completed_params_.front().swap_id; |
| pending_swap_completed_params_.pop_front(); |
| Send(new GpuCommandBufferMsg_SwapBuffersCompleted(route_id_, params)); |
| } |
| |
| const gles2::FeatureInfo* GLES2CommandBufferStub::GetFeatureInfo() const { |
| return context_group_->feature_info(); |
| } |
| |
| const GpuPreferences& GLES2CommandBufferStub::GetGpuPreferences() const { |
| return context_group_->gpu_preferences(); |
| } |
| |
| void GLES2CommandBufferStub::BufferPresented( |
| const gfx::PresentationFeedback& feedback) { |
| SwapBufferParams params = pending_presented_params_.front(); |
| pending_presented_params_.pop_front(); |
| Send(new GpuCommandBufferMsg_BufferPresented(route_id_, params.swap_id, |
| feedback)); |
| } |
| |
| void GLES2CommandBufferStub::AddFilter(IPC::MessageFilter* message_filter) { |
| return channel_->AddFilter(message_filter); |
| } |
| |
| int32_t GLES2CommandBufferStub::GetRouteID() const { |
| return route_id_; |
| } |
| |
| void GLES2CommandBufferStub::OnTakeFrontBuffer(const Mailbox& mailbox) { |
| TRACE_EVENT0("gpu", "CommandBufferStub::OnTakeFrontBuffer"); |
| if (!gles2_decoder_) { |
| LOG(ERROR) << "Can't take front buffer before initialization."; |
| return; |
| } |
| |
| gles2_decoder_->TakeFrontBuffer(mailbox); |
| } |
| |
| void GLES2CommandBufferStub::OnReturnFrontBuffer(const Mailbox& mailbox, |
| bool is_lost) { |
| // No need to pull texture updates. |
| DCHECK(!context_group_->mailbox_manager()->UsesSync()); |
| gles2_decoder_->ReturnFrontBuffer(mailbox, is_lost); |
| } |
| |
| void GLES2CommandBufferStub::OnSwapBuffers(uint64_t swap_id, uint32_t flags) { |
| pending_swap_completed_params_.push_back({swap_id, flags}); |
| pending_presented_params_.push_back({swap_id, flags}); |
| } |
| |
| } // namespace gpu |
