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// Copyright 2013 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 COMPONENTS_MUS_GLES2_COMMAND_BUFFER_DRIVER_H_
#define COMPONENTS_MUS_GLES2_COMMAND_BUFFER_DRIVER_H_
#include "base/callback.h"
#include "base/macros.h"
#include "base/memory/scoped_ptr.h"
#include "base/memory/weak_ptr.h"
#include "base/single_thread_task_runner.h"
#include "base/timer/timer.h"
#include "components/mus/public/interfaces/command_buffer.mojom.h"
#include "gpu/command_buffer/common/constants.h"
#include "ui/gfx/geometry/size.h"
namespace gpu {
class CommandBufferService;
class GpuScheduler;
class GpuControlService;
class SyncPointClient;
class SyncPointOrderData;
namespace gles2 {
class GLES2Decoder;
}
}
namespace gfx {
class GLContext;
class GLSurface;
}
namespace mus {
class GpuState;
// This class receives CommandBuffer messages on the same thread as the native
// viewport.
class CommandBufferDriver {
public:
class Client {
public:
virtual ~Client();
virtual void DidLoseContext() = 0;
};
explicit CommandBufferDriver(scoped_refptr<GpuState> gpu_state);
~CommandBufferDriver();
void set_client(scoped_ptr<Client> client) { client_ = client.Pass(); }
void Initialize(
mojo::InterfacePtrInfo<mojom::CommandBufferSyncClient> sync_client,
mojo::InterfacePtrInfo<mojom::CommandBufferLostContextObserver>
loss_observer,
mojo::ScopedSharedBufferHandle shared_state,
mojo::Array<int32_t> attribs);
void SetGetBuffer(int32_t buffer);
void Flush(int32_t put_offset);
void MakeProgress(int32_t last_get_offset);
void RegisterTransferBuffer(int32_t id,
mojo::ScopedSharedBufferHandle transfer_buffer,
uint32_t size);
void DestroyTransferBuffer(int32_t id);
void CreateImage(int32_t id,
mojo::ScopedHandle memory_handle,
int32_t type,
mojo::SizePtr size,
int32_t format,
int32_t internal_format);
void DestroyImage(int32_t id);
bool IsScheduled() const;
bool HasUnprocessedCommands() const;
gpu::SyncPointOrderData* sync_point_order_data() {
return sync_point_order_data_.get();
}
private:
bool MakeCurrent();
bool DoInitialize(mojo::ScopedSharedBufferHandle shared_state,
mojo::Array<int32_t> attribs);
bool OnWaitSyncPoint(uint32_t sync_point);
void OnFenceSyncRelease(uint64_t release);
bool OnWaitFenceSync(gpu::CommandBufferNamespace namespace_id,
uint64_t command_buffer_id,
uint64_t release);
void OnSyncPointRetired();
void OnParseError();
void OnContextLost(uint32_t reason);
void DestroyDecoder();
const uint64_t command_buffer_id_;
scoped_ptr<Client> client_;
mojom::CommandBufferSyncClientPtr sync_client_;
mojom::CommandBufferLostContextObserverPtr loss_observer_;
scoped_ptr<gpu::CommandBufferService> command_buffer_;
scoped_ptr<gpu::gles2::GLES2Decoder> decoder_;
scoped_ptr<gpu::GpuScheduler> scheduler_;
scoped_refptr<gpu::SyncPointOrderData> sync_point_order_data_;
scoped_ptr<gpu::SyncPointClient> sync_point_client_;
scoped_refptr<gfx::GLContext> context_;
scoped_refptr<gfx::GLSurface> surface_;
scoped_refptr<GpuState> gpu_state_;
scoped_refptr<base::SingleThreadTaskRunner> context_lost_task_runner_;
base::Callback<void(int32_t)> context_lost_callback_;
base::WeakPtrFactory<CommandBufferDriver> weak_factory_;
DISALLOW_COPY_AND_ASSIGN(CommandBufferDriver);
};
} // namespace mus
#endif // COMPONENTS_GLES2_COMMAND_BUFFER_DRIVER_H_
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