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Add InProcessContextProvider and update InProcessCommandBuffer
The Mus-Gpu Display Compositor will use an InProcessContextProvider and InProcessCommandBuffer in place of SurfacesContextProvider, GpuChannelHost, and CommandBufferProxyImpl to avoid the IPC overhead of those classes. This CL introduces InProcessContextProvider and allows InProcessCommandBuffer to coexist with GpuCommandBufferStubs on the same thread. In particular, when an InProcessCommandBuffer hits a sync token, it will now get descheduled if specified by InProcessCommandBuffer::Service until the token is passed. At that point, it will finish the flush and run all the operations that have been queued up since the command buffer was descheduled. This enables other command buffers on the same thread to make progress. BUG=661278 CQ_INCLUDE_TRYBOTS=master.tryserver.blink:linux_trusty_blink_rel Review-Url: https://codereview.chromium.org/2498053004 Cr-Commit-Position: refs/heads/master@{#433313}
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| Original file line number | Diff line number | Diff line change |
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| // Copyright 2016 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. | ||
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| #include "cc/output/in_process_context_provider.h" | ||
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| #include <stdint.h> | ||
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| #include "base/lazy_instance.h" | ||
| #include "base/macros.h" | ||
| #include "base/memory/ptr_util.h" | ||
| #include "base/single_thread_task_runner.h" | ||
| #include "base/threading/thread_task_runner_handle.h" | ||
| #include "cc/resources/platform_color.h" | ||
| #include "gpu/GLES2/gl2extchromium.h" | ||
| #include "gpu/command_buffer/client/gles2_implementation.h" | ||
| #include "gpu/command_buffer/common/gles2_cmd_utils.h" | ||
| #include "gpu/command_buffer/service/framebuffer_completeness_cache.h" | ||
| #include "gpu/command_buffer/service/gpu_preferences.h" | ||
| #include "gpu/command_buffer/service/mailbox_manager.h" | ||
| #include "gpu/command_buffer/service/shader_translator_cache.h" | ||
| #include "gpu/command_buffer/service/sync_point_manager.h" | ||
| #include "gpu/ipc/common/surface_handle.h" | ||
| #include "gpu/ipc/gl_in_process_context.h" | ||
| #include "gpu/ipc/gpu_in_process_thread_service.h" | ||
| #include "gpu/ipc/in_process_command_buffer.h" | ||
| #include "gpu/skia_bindings/grcontext_for_gles2_interface.h" | ||
| #include "third_party/khronos/GLES2/gl2.h" | ||
| #include "third_party/khronos/GLES2/gl2ext.h" | ||
| #include "third_party/skia/include/gpu/GrContext.h" | ||
| #include "third_party/skia/include/gpu/gl/GrGLInterface.h" | ||
| #include "ui/gfx/native_widget_types.h" | ||
| #include "ui/gl/gl_share_group.h" | ||
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| namespace cc { | ||
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| namespace { | ||
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| gpu::gles2::ContextCreationAttribHelper CreateAttributes() { | ||
| gpu::gles2::ContextCreationAttribHelper attributes; | ||
| attributes.alpha_size = -1; | ||
| attributes.depth_size = 0; | ||
| attributes.stencil_size = 0; | ||
| attributes.samples = 0; | ||
| attributes.sample_buffers = 0; | ||
| attributes.fail_if_major_perf_caveat = false; | ||
| attributes.bind_generates_resource = false; | ||
| return attributes; | ||
| } | ||
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| std::unique_ptr<gpu::GLInProcessContext> CreateInProcessContext( | ||
| scoped_refptr<gpu::InProcessCommandBuffer::Service> service, | ||
| const gpu::gles2::ContextCreationAttribHelper& attributes, | ||
| gpu::SurfaceHandle widget, | ||
| gpu::GpuMemoryBufferManager* gpu_memory_buffer_manager, | ||
| gpu::ImageFactory* image_factory, | ||
| const gpu::SharedMemoryLimits& limits, | ||
| gpu::GLInProcessContext* shared_context) { | ||
| const bool is_offscreen = widget == gpu::kNullSurfaceHandle; | ||
| return base::WrapUnique(gpu::GLInProcessContext::Create( | ||
| service, nullptr, is_offscreen, widget, shared_context, attributes, | ||
| limits, gpu_memory_buffer_manager, image_factory, | ||
| base::ThreadTaskRunnerHandle::Get())); | ||
| } | ||
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| } // namespace | ||
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| InProcessContextProvider::InProcessContextProvider( | ||
| scoped_refptr<gpu::InProcessCommandBuffer::Service> service, | ||
| gpu::SurfaceHandle widget, | ||
| gpu::GpuMemoryBufferManager* gpu_memory_buffer_manager, | ||
| gpu::ImageFactory* image_factory, | ||
| const gpu::SharedMemoryLimits& limits, | ||
| InProcessContextProvider* shared_context) | ||
| : attributes_(CreateAttributes()), | ||
| context_(CreateInProcessContext( | ||
| service, | ||
| attributes_, | ||
| widget, | ||
| gpu_memory_buffer_manager, | ||
| image_factory, | ||
| limits, | ||
| (shared_context ? shared_context->context_.get() : nullptr))) { | ||
| cache_controller_.reset(new ContextCacheController( | ||
| context_->GetImplementation(), base::ThreadTaskRunnerHandle::Get())); | ||
| } | ||
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| InProcessContextProvider::~InProcessContextProvider() = default; | ||
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| bool InProcessContextProvider::BindToCurrentThread() { | ||
| return !!context_; | ||
| } | ||
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| gpu::gles2::GLES2Interface* InProcessContextProvider::ContextGL() { | ||
| return context_->GetImplementation(); | ||
| } | ||
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| gpu::ContextSupport* InProcessContextProvider::ContextSupport() { | ||
| return context_->GetImplementation(); | ||
| } | ||
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| class GrContext* InProcessContextProvider::GrContext() { | ||
| if (gr_context_) | ||
| return gr_context_->get(); | ||
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| gr_context_.reset(new skia_bindings::GrContextForGLES2Interface(ContextGL())); | ||
| return gr_context_->get(); | ||
| } | ||
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| ContextCacheController* InProcessContextProvider::CacheController() { | ||
| return cache_controller_.get(); | ||
| } | ||
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| void InProcessContextProvider::InvalidateGrContext(uint32_t state) { | ||
| if (gr_context_) | ||
| gr_context_->ResetContext(state); | ||
| } | ||
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| base::Lock* InProcessContextProvider::GetLock() { | ||
| return &context_lock_; | ||
| } | ||
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| gpu::Capabilities InProcessContextProvider::ContextCapabilities() { | ||
| gpu::Capabilities capabilities; | ||
| capabilities.texture_rectangle = true; | ||
| capabilities.sync_query = true; | ||
| switch (PlatformColor::Format()) { | ||
| case PlatformColor::SOURCE_FORMAT_RGBA8: | ||
| capabilities.texture_format_bgra8888 = false; | ||
| break; | ||
| case PlatformColor::SOURCE_FORMAT_BGRA8: | ||
| capabilities.texture_format_bgra8888 = true; | ||
| break; | ||
| } | ||
| return capabilities; | ||
| } | ||
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| void InProcessContextProvider::SetLostContextCallback( | ||
| const LostContextCallback& lost_context_callback) { | ||
| // This code lives in the GPU process and so this would go away | ||
| // if the context is lost? | ||
| } | ||
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| uint32_t InProcessContextProvider::GetCopyTextureInternalFormat() { | ||
| if (attributes_.alpha_size > 0) | ||
| return GL_RGBA; | ||
| DCHECK_NE(attributes_.red_size, 0); | ||
| DCHECK_NE(attributes_.green_size, 0); | ||
| DCHECK_NE(attributes_.blue_size, 0); | ||
| return GL_RGB; | ||
| } | ||
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| void InProcessContextProvider::SetSwapBuffersCompletionCallback( | ||
| const gpu::InProcessCommandBuffer::SwapBuffersCompletionCallback& | ||
| callback) { | ||
| context_->SetSwapBuffersCompletionCallback(callback); | ||
| } | ||
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| void InProcessContextProvider::SetUpdateVSyncParametersCallback( | ||
| const gpu::InProcessCommandBuffer::UpdateVSyncParametersCallback& | ||
| callback) { | ||
| context_->SetUpdateVSyncParametersCallback(callback); | ||
| } | ||
|
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| } // namespace cc |
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