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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 GPU_COMMAND_BUFFER_SERVICE_MAILBOX_MANAGER_H_
#define GPU_COMMAND_BUFFER_SERVICE_MAILBOX_MANAGER_H_
#include "base/macros.h"
#include "base/memory/ref_counted.h"
#include "gpu/command_buffer/common/mailbox.h"
#include "gpu/gpu_export.h"
namespace gpu {
struct SyncToken;
namespace gles2 {
class Texture;
// Manages resources scoped beyond the context or context group level.
class GPU_EXPORT MailboxManager : public base::RefCounted<MailboxManager> {
public:
static scoped_refptr<MailboxManager> Create();
// Look up the texture definition from the named mailbox.
virtual Texture* ConsumeTexture(const Mailbox& mailbox) = 0;
// Put the texture into the named mailbox.
virtual void ProduceTexture(const Mailbox& mailbox, Texture* texture) = 0;
// If |true| then Pull/PushTextureUpdates() needs to be called.
virtual bool UsesSync() = 0;
// Used to synchronize texture state across share groups.
virtual void PushTextureUpdates(const SyncToken& token) = 0;
virtual void PullTextureUpdates(const SyncToken& token) = 0;
// Destroy any mailbox that reference the given texture.
virtual void TextureDeleted(Texture* texture) = 0;
protected:
MailboxManager() {}
virtual ~MailboxManager() {}
private:
friend class base::RefCounted<MailboxManager>;
DISALLOW_COPY_AND_ASSIGN(MailboxManager);
};
} // namespage gles2
} // namespace gpu
#endif // GPU_COMMAND_BUFFER_SERVICE_MAILBOX_MANAGER_H_
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