| // 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_IMPL_H_ |
| #define GPU_COMMAND_BUFFER_SERVICE_MAILBOX_MANAGER_IMPL_H_ |
| |
| #include <map> |
| #include <utility> |
| |
| #include "base/macros.h" |
| #include "base/memory/ref_counted.h" |
| #include "gpu/command_buffer/common/constants.h" |
| #include "gpu/command_buffer/common/mailbox.h" |
| #include "gpu/command_buffer/service/mailbox_manager.h" |
| #include "gpu/gpu_gles2_export.h" |
| |
| namespace gpu { |
| namespace gles2 { |
| |
| // Manages resources scoped beyond the context or context group level. |
| class GPU_GLES2_EXPORT MailboxManagerImpl : public MailboxManager { |
| public: |
| MailboxManagerImpl(); |
| ~MailboxManagerImpl() override; |
| |
| // MailboxManager implementation: |
| TextureBase* ConsumeTexture(const Mailbox& mailbox) override; |
| void ProduceTexture(const Mailbox& mailbox, TextureBase* texture) override; |
| bool UsesSync() override; |
| void PushTextureUpdates(const SyncToken& token) override {} |
| void PullTextureUpdates(const SyncToken& token) override {} |
| void TextureDeleted(TextureBase* texture) override; |
| |
| private: |
| // This is a bidirectional map between mailbox and textures. We can have |
| // multiple mailboxes per texture, but one texture per mailbox. We keep an |
| // iterator in the MailboxToTextureMap to be able to manage changes to |
| // the TextureToMailboxMap efficiently. |
| typedef std::multimap<TextureBase*, Mailbox> TextureToMailboxMap; |
| typedef std::map<Mailbox, TextureToMailboxMap::iterator> |
| MailboxToTextureMap; |
| |
| MailboxToTextureMap mailbox_to_textures_; |
| TextureToMailboxMap textures_to_mailboxes_; |
| |
| DISALLOW_COPY_AND_ASSIGN(MailboxManagerImpl); |
| }; |
| |
| } // namespage gles2 |
| } // namespace gpu |
| |
| #endif // GPU_COMMAND_BUFFER_SERVICE_MAILBOX_MANAGER_IMPL_H_ |
| |