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// 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 COMPONENTS_MUS_SURFACES_SURFACES_CONTEXT_PROVIDER_H_
#define COMPONENTS_MUS_SURFACES_SURFACES_CONTEXT_PROVIDER_H_
#include <stdint.h>
#include "base/macros.h"
#include "base/synchronization/lock.h"
#include "base/threading/non_thread_safe.h"
#include "cc/output/context_provider.h"
#include "components/mus/gles2/command_buffer_local_client.h"
#include "ui/gfx/native_widget_types.h"
namespace gpu {
class TransferBuffer;
namespace gles2 {
class GLES2CmdHelper;
class GLES2Implementation;
}
} // namespace gpu
namespace mus {
class CommandBufferDriver;
class CommandBufferImpl;
class CommandBufferLocal;
class GpuState;
class SurfacesContextProviderDelegate;
class SurfacesContextProvider : public cc::ContextProvider,
public CommandBufferLocalClient,
public base::NonThreadSafe {
public:
SurfacesContextProvider(SurfacesContextProviderDelegate* delegate,
gfx::AcceleratedWidget widget,
const scoped_refptr<GpuState>& state);
// cc::ContextProvider implementation.
bool BindToCurrentThread() override;
gpu::gles2::GLES2Interface* ContextGL() override;
gpu::ContextSupport* ContextSupport() override;
class GrContext* GrContext() override;
void InvalidateGrContext(uint32_t state) override;
Capabilities ContextCapabilities() override;
void DeleteCachedResources() override {}
void SetLostContextCallback(
const LostContextCallback& lost_context_callback) override;
void SetupLock() override;
base::Lock* GetLock() override;
protected:
friend class base::RefCountedThreadSafe<SurfacesContextProvider>;
~SurfacesContextProvider() override;
private:
// CommandBufferLocalClient:
void UpdateVSyncParameters(int64_t timebase, int64_t interval) override;
void DidLoseContext() override;
// From GLES2Context:
// Initialized in BindToCurrentThread.
scoped_ptr<gpu::gles2::GLES2CmdHelper> gles2_helper_;
scoped_ptr<gpu::TransferBuffer> transfer_buffer_;
scoped_ptr<gpu::gles2::GLES2Implementation> implementation_;
cc::ContextProvider::Capabilities capabilities_;
LostContextCallback lost_context_callback_;
SurfacesContextProviderDelegate* delegate_;
gfx::AcceleratedWidget widget_;
CommandBufferLocal* command_buffer_local_;
base::Lock context_lock_;
DISALLOW_COPY_AND_ASSIGN(SurfacesContextProvider);
};
} // namespace mus
#endif // COMPONENTS_MUS_SURFACES_SURFACES_CONTEXT_PROVIDER_H_
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