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- // Copyright 2018 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/raster_in_process_context.h"
- #include <utility>
- #include "base/bind.h"
- #include "base/command_line.h"
- #include "base/logging.h"
- #include "base/run_loop.h"
- #include "base/threading/thread_task_runner_handle.h"
- #include "gpu/command_buffer/client/gles2_cmd_helper.h"
- #include "gpu/command_buffer/client/raster_cmd_helper.h"
- #include "gpu/command_buffer/client/raster_implementation_gles.h"
- #include "gpu/command_buffer/client/shared_memory_limits.h"
- #include "gpu/command_buffer/client/transfer_buffer.h"
- #include "gpu/command_buffer/common/command_buffer.h"
- #include "gpu/command_buffer/common/constants.h"
- #include "gpu/command_buffer/common/context_creation_attribs.h"
- #include "gpu/command_buffer/service/service_utils.h"
- #include "gpu/config/gpu_feature_info.h"
- #include "gpu/config/gpu_switches.h"
- #include "gpu/ipc/common/surface_handle.h"
- #include "testing/gtest/include/gtest/gtest.h"
- namespace gpu {
- RasterInProcessContext::RasterInProcessContext() = default;
- RasterInProcessContext::~RasterInProcessContext() {
- // Trigger any pending lost contexts. First do a full sync between client
- // and service threads. Then execute any pending tasks.
- if (raster_implementation_) {
- raster_implementation_->Finish();
- base::RunLoop().RunUntilIdle();
- raster_implementation_.reset();
- }
- transfer_buffer_.reset();
- helper_.reset();
- command_buffer_.reset();
- }
- ContextResult RasterInProcessContext::Initialize(
- CommandBufferTaskExecutor* task_executor,
- const ContextCreationAttribs& attribs,
- const SharedMemoryLimits& memory_limits,
- ImageFactory* image_factory,
- gpu::raster::GrShaderCache* gr_shader_cache,
- GpuProcessActivityFlags* activity_flags) {
- DCHECK(attribs.enable_raster_interface);
- if (!attribs.enable_raster_interface) {
- return ContextResult::kFatalFailure;
- }
- DCHECK(!attribs.enable_gles2_interface);
- if (attribs.enable_gles2_interface) {
- return ContextResult::kFatalFailure;
- }
- command_buffer_ =
- std::make_unique<InProcessCommandBuffer>(task_executor, GURL());
- auto result = command_buffer_->Initialize(attribs, image_factory,
- base::ThreadTaskRunnerHandle::Get(),
- gr_shader_cache, activity_flags);
- if (result != ContextResult::kSuccess) {
- DLOG(ERROR) << "Failed to initialize InProcessCommmandBuffer";
- return result;
- }
- // Check for consistency.
- DCHECK(!attribs.bind_generates_resource);
- constexpr bool bind_generates_resource = false;
- // Create the RasterCmdHelper, which writes the command buffer protocol.
- auto raster_helper =
- std::make_unique<raster::RasterCmdHelper>(command_buffer_.get());
- result = raster_helper->Initialize(memory_limits.command_buffer_size);
- if (result != ContextResult::kSuccess) {
- LOG(ERROR) << "Failed to initialize RasterCmdHelper";
- return result;
- }
- transfer_buffer_ = std::make_unique<TransferBuffer>(raster_helper.get());
- raster_implementation_ = std::make_unique<raster::RasterImplementation>(
- raster_helper.get(), transfer_buffer_.get(), bind_generates_resource,
- attribs.lose_context_when_out_of_memory, command_buffer_.get(),
- nullptr /* image_decode_accelerator */);
- result = raster_implementation_->Initialize(memory_limits);
- raster_implementation_->SetLostContextCallback(base::BindOnce(
- []() { EXPECT_TRUE(false) << "Unexpected lost context."; }));
- helper_ = std::move(raster_helper);
- return result;
- }
- const Capabilities& RasterInProcessContext::GetCapabilities() const {
- return command_buffer_->GetCapabilities();
- }
- const GpuFeatureInfo& RasterInProcessContext::GetGpuFeatureInfo() const {
- return command_buffer_->GetGpuFeatureInfo();
- }
- raster::RasterImplementation* RasterInProcessContext::GetImplementation() {
- return raster_implementation_.get();
- }
- ContextSupport* RasterInProcessContext::GetContextSupport() {
- return raster_implementation_.get();
- }
- SharedImageInterface* RasterInProcessContext::GetSharedImageInterface() {
- return command_buffer_->GetSharedImageInterface();
- }
- ServiceTransferCache* RasterInProcessContext::GetTransferCacheForTest() const {
- return command_buffer_->GetTransferCacheForTest();
- }
- InProcessCommandBuffer* RasterInProcessContext::GetCommandBufferForTest()
- const {
- return command_buffer_.get();
- }
- int RasterInProcessContext::GetRasterDecoderIdForTest() const {
- return command_buffer_->GetRasterDecoderIdForTest();
- }
- // static
- bool RasterInProcessContext::SupportedInTest() {
- const base::CommandLine* command_line =
- base::CommandLine::ForCurrentProcess();
- GpuPreferences gpu_preferences = gles2::ParseGpuPreferences(command_line);
- return !gpu_preferences.use_passthrough_cmd_decoder ||
- !gles2::PassthroughCommandDecoderSupported();
- }
- } // namespace gpu
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