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// Copyright (c) 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 WEBKIT_COMMON_GPU_CONTEXT_PROVIDER_IN_PROCESS_H_
#define WEBKIT_COMMON_GPU_CONTEXT_PROVIDER_IN_PROCESS_H_
#include "base/compiler_specific.h"
#include "base/memory/scoped_ptr.h"
#include "base/synchronization/lock.h"
#include "base/threading/thread_checker.h"
#include "cc/output/context_provider.h"
#include "webkit/common/gpu/webkit_gpu_export.h"
namespace WebKit {
class WebGraphicsContext3D;
}
namespace webkit {
namespace gpu {
class GrContextForWebGraphicsContext3D;
class WEBKIT_GPU_EXPORT ContextProviderInProcess
: NON_EXPORTED_BASE(public cc::ContextProvider) {
public:
static scoped_refptr<ContextProviderInProcess> Create() {
scoped_refptr<ContextProviderInProcess> provider =
new ContextProviderInProcess;
if (!provider->InitializeOnMainThread())
return NULL;
return provider;
}
virtual bool BindToCurrentThread() OVERRIDE;
virtual WebKit::WebGraphicsContext3D* Context3d() OVERRIDE;
virtual class GrContext* GrContext() OVERRIDE;
virtual void VerifyContexts() OVERRIDE;
virtual bool DestroyedOnMainThread() OVERRIDE;
virtual void SetLostContextCallback(
const LostContextCallback& lost_context_callback) OVERRIDE;
protected:
ContextProviderInProcess();
virtual ~ContextProviderInProcess();
bool InitializeOnMainThread();
void OnLostContext();
void OnMemoryAllocationChanged(bool nonzero_allocation);
private:
base::ThreadChecker main_thread_checker_;
base::ThreadChecker context_thread_checker_;
scoped_ptr<WebKit::WebGraphicsContext3D> context3d_;
scoped_ptr<webkit::gpu::GrContextForWebGraphicsContext3D> gr_context_;
LostContextCallback lost_context_callback_;
base::Lock destroyed_lock_;
bool destroyed_;
class LostContextCallbackProxy;
scoped_ptr<LostContextCallbackProxy> lost_context_callback_proxy_;
class MemoryAllocationCallbackProxy;
scoped_ptr<MemoryAllocationCallbackProxy> memory_allocation_callback_proxy_;
};
} // namespace gpu
} // namespace webkit
#endif // WEBKIT_COMMON_GPU_CONTEXT_PROVIDER_IN_PROCESS_H_
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