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// Copyright 2015 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_VIEW_MANAGER_NATIVE_VIEWPORT_ONSCREEN_CONTEXT_PROVIDER_H_
#define COMPONENTS_VIEW_MANAGER_NATIVE_VIEWPORT_ONSCREEN_CONTEXT_PROVIDER_H_
#include <set>
#include "base/memory/ref_counted.h"
#include "components/view_manager/gles2/command_buffer_impl_observer.h"
#include "components/view_manager/public/interfaces/context_provider.mojom.h"
#include "components/view_manager/public/interfaces/viewport_parameter_listener.mojom.h"
#include "ui/gfx/native_widget_types.h"
namespace gles2 {
class CommandBufferDriver;
class CommandBufferImpl;
class GpuState;
}
namespace native_viewport {
class OnscreenContextProvider : public mojo::ContextProvider,
public gles2::CommandBufferImplObserver {
public:
explicit OnscreenContextProvider(const scoped_refptr<gles2::GpuState>& state);
~OnscreenContextProvider() override;
void Bind(mojo::InterfaceRequest<mojo::ContextProvider> request);
void SetAcceleratedWidget(gfx::AcceleratedWidget widget);
private:
// mojo::ContextProvider implementation:
void Create(mojo::ViewportParameterListenerPtr viewport_parameter_listener,
const CreateCallback& callback) override;
// gles2::CommandBufferImplObserver:
void OnCommandBufferImplDestroyed() override;
void CreateAndReturnCommandBuffer();
void CommandBufferDestroyed(gles2::CommandBufferDriver* command_buffer);
gles2::CommandBufferImpl* command_buffer_impl_;
scoped_refptr<gles2::GpuState> state_;
gfx::AcceleratedWidget widget_;
mojo::ViewportParameterListenerPtr pending_listener_;
CreateCallback pending_create_callback_;
mojo::Binding<mojo::ContextProvider> binding_;
std::set<gles2::CommandBufferDriver*> command_buffers_;
DISALLOW_COPY_AND_ASSIGN(OnscreenContextProvider);
};
} // namespace mojo
#endif // COMPONENTS_VIEW_MANAGER_NATIVE_VIEWPORT_ONSCREEN_CONTEXT_PROVIDER_H_
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