| // Copyright 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 CC_RESOURCES_TEXTURE_MAILBOX_H_ |
| #define CC_RESOURCES_TEXTURE_MAILBOX_H_ |
| |
| #include <string> |
| |
| #include "base/callback.h" |
| #include "base/memory/shared_memory.h" |
| #include "cc/base/cc_export.h" |
| #include "gpu/command_buffer/common/mailbox.h" |
| #include "ui/gfx/size.h" |
| |
| namespace cc { |
| |
| // TODO(skaslev, danakj) Rename this class more apropriately since now it |
| // can hold a shared memory resource as well as a texture mailbox. |
| class CC_EXPORT TextureMailbox { |
| public: |
| TextureMailbox(); |
| explicit TextureMailbox(const std::string& mailbox_name); |
| explicit TextureMailbox(const gpu::Mailbox& mailbox_name); |
| TextureMailbox(const gpu::Mailbox& mailbox_name, |
| unsigned sync_point); |
| TextureMailbox(const gpu::Mailbox& mailbox_name, |
| unsigned texture_target, |
| unsigned sync_point); |
| TextureMailbox(base::SharedMemory* shared_memory, |
| gfx::Size size); |
| |
| ~TextureMailbox(); |
| |
| bool IsValid() const { return IsTexture() || IsSharedMemory(); } |
| bool IsTexture() const { return !name_.IsZero(); } |
| bool IsSharedMemory() const { return shared_memory_ != NULL; } |
| |
| bool Equals(const TextureMailbox&) const; |
| bool ContainsMailbox(const gpu::Mailbox&) const; |
| bool ContainsHandle(base::SharedMemoryHandle handle) const; |
| |
| const int8* data() const { return name_.name; } |
| const gpu::Mailbox& name() const { return name_; } |
| void ResetSyncPoint() { sync_point_ = 0; } |
| unsigned target() const { return target_; } |
| unsigned sync_point() const { return sync_point_; } |
| |
| base::SharedMemory* shared_memory() const { return shared_memory_; } |
| gfx::Size shared_memory_size() const { return shared_memory_size_; } |
| size_t shared_memory_size_in_bytes() const; |
| |
| // TODO(danakj): ReleaseCallback should be separate from this class, and stop |
| // storing a TextureMailbox in ResourceProvider. Then we can remove this. |
| void SetName(const gpu::Mailbox& name); |
| |
| private: |
| gpu::Mailbox name_; |
| unsigned target_; |
| unsigned sync_point_; |
| base::SharedMemory* shared_memory_; |
| gfx::Size shared_memory_size_; |
| }; |
| |
| } // namespace cc |
| |
| #endif // CC_RESOURCES_TEXTURE_MAILBOX_H_ |