| // 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/memory/ref_counted.h" |
| #include "gpu/command_buffer/common/mailbox.h" |
| #include "gpu/gpu_export.h" |
| |
| namespace gpu { |
| namespace gles2 { |
| |
| class Texture; |
| |
| // Manages resources scoped beyond the context or context group level. |
| class GPU_EXPORT MailboxManager : public base::RefCounted<MailboxManager> { |
| public: |
| // 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(uint32 sync_point) = 0; |
| virtual void PullTextureUpdates(uint32 sync_point) = 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_ |
| |