Index: services/ui/gles2/command_buffer_impl.h |
diff --git a/services/ui/gles2/command_buffer_impl.h b/services/ui/gles2/command_buffer_impl.h |
new file mode 100644 |
index 0000000000000000000000000000000000000000..076e92f1d356ef60f6bb5a5771ad258f7f593a8b |
--- /dev/null |
+++ b/services/ui/gles2/command_buffer_impl.h |
@@ -0,0 +1,126 @@ |
+// Copyright 2014 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. |
+ |
+#ifndef SERVICES_UI_GLES2_COMMAND_BUFFER_IMPL_H_ |
+#define SERVICES_UI_GLES2_COMMAND_BUFFER_IMPL_H_ |
+ |
+#include <stdint.h> |
+ |
+#include <memory> |
+ |
+#include "base/macros.h" |
+#include "base/memory/weak_ptr.h" |
+#include "base/single_thread_task_runner.h" |
+#include "gpu/command_buffer/common/command_buffer.h" |
+#include "mojo/public/cpp/bindings/binding.h" |
+#include "services/ui/gles2/command_buffer_driver.h" |
+#include "services/ui/public/interfaces/command_buffer.mojom.h" |
+ |
+namespace ui { |
+ |
+class CommandBufferDriver; |
+class GpuState; |
+ |
+// This class listens to the CommandBuffer message pipe on a low-latency thread |
+// so that we can insert sync points without blocking on the GL driver. It |
+// forwards most method calls to the CommandBufferDriver, which runs on the |
+// same thread as the native viewport. |
+class CommandBufferImpl : public mojom::CommandBuffer, |
+ public CommandBufferDriver::Client { |
+ public: |
+ CommandBufferImpl(mojo::InterfaceRequest<CommandBuffer> request, |
+ scoped_refptr<GpuState> gpu_state); |
+ |
+ private: |
+ class CommandBufferDriverClientImpl; |
+ ~CommandBufferImpl() override; |
+ |
+ // CommandBufferDriver::Client. All called on the GPU thread. |
+ void DidLoseContext(uint32_t reason) override; |
+ void UpdateVSyncParameters(const base::TimeTicks& timebase, |
+ const base::TimeDelta& interval) override; |
+ void OnGpuCompletedSwapBuffers(gfx::SwapResult result) override; |
+ |
+ // mojom::CommandBuffer: |
+ void Initialize( |
+ mojom::CommandBufferClientPtr client, |
+ mojo::ScopedSharedBufferHandle shared_state, |
+ mojo::Array<int32_t> attribs, |
+ const mojom::CommandBuffer::InitializeCallback& callback) override; |
+ void SetGetBuffer(int32_t buffer) override; |
+ void Flush(int32_t put_offset) override; |
+ void MakeProgress( |
+ int32_t last_get_offset, |
+ const mojom::CommandBuffer::MakeProgressCallback& callback) override; |
+ void RegisterTransferBuffer(int32_t id, |
+ mojo::ScopedSharedBufferHandle transfer_buffer, |
+ uint32_t size) override; |
+ void DestroyTransferBuffer(int32_t id) override; |
+ void CreateImage(int32_t id, |
+ mojo::ScopedHandle memory_handle, |
+ int32_t type, |
+ const gfx::Size& size, |
+ int32_t format, |
+ int32_t internal_format) override; |
+ void DestroyImage(int32_t id) override; |
+ void CreateStreamTexture( |
+ uint32_t client_texture_id, |
+ const mojom::CommandBuffer::CreateStreamTextureCallback& callback |
+ ) override; |
+ void TakeFrontBuffer(const gpu::Mailbox& mailbox) override; |
+ void ReturnFrontBuffer(const gpu::Mailbox& mailbox, bool is_lost) override; |
+ void SignalQuery(uint32_t query, uint32_t signal_id) override; |
+ void SignalSyncToken(const gpu::SyncToken& sync_token, |
+ uint32_t signal_id) override; |
+ void WaitForGetOffsetInRange( |
+ int32_t start, int32_t end, |
+ const mojom::CommandBuffer::WaitForGetOffsetInRangeCallback& callback |
+ ) override; |
+ void WaitForTokenInRange( |
+ int32_t start, int32_t end, |
+ const mojom::CommandBuffer::WaitForGetOffsetInRangeCallback& callback |
+ ) override; |
+ |
+ // All helper functions are called in the GPU therad. |
+ void InitializeOnGpuThread( |
+ mojom::CommandBufferClientPtr client, |
+ mojo::ScopedSharedBufferHandle shared_state, |
+ mojo::Array<int32_t> attribs, |
+ const base::Callback< |
+ void(mojom::CommandBufferInitializeResultPtr)>& callback); |
+ bool SetGetBufferOnGpuThread(int32_t buffer); |
+ bool FlushOnGpuThread(int32_t put_offset, uint32_t order_num); |
+ bool MakeProgressOnGpuThread( |
+ int32_t last_get_offset, |
+ const base::Callback<void(const gpu::CommandBuffer::State&)>& callback); |
+ bool RegisterTransferBufferOnGpuThread( |
+ int32_t id, |
+ mojo::ScopedSharedBufferHandle transfer_buffer, |
+ uint32_t size); |
+ bool DestroyTransferBufferOnGpuThread(int32_t id); |
+ bool CreateImageOnGpuThread(int32_t id, |
+ mojo::ScopedHandle memory_handle, |
+ int32_t type, |
+ const gfx::Size& size, |
+ int32_t format, |
+ int32_t internal_format); |
+ bool DestroyImageOnGpuThread(int32_t id); |
+ |
+ void BindToRequest(mojo::InterfaceRequest<CommandBuffer> request); |
+ |
+ void OnConnectionError(); |
+ bool DeleteOnGpuThread(); |
+ void DeleteOnGpuThread2(); |
+ |
+ scoped_refptr<GpuState> gpu_state_; |
+ std::unique_ptr<CommandBufferDriver> driver_; |
+ std::unique_ptr<mojo::Binding<CommandBuffer>> binding_; |
+ mojom::CommandBufferClientPtr client_; |
+ |
+ DISALLOW_COPY_AND_ASSIGN(CommandBufferImpl); |
+}; |
+ |
+} // namespace ui |
+ |
+#endif // SERVICES_UI_GLES2_COMMAND_BUFFER_IMPL_H_ |