| // 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_holder.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 gpu::MailboxHolder& mailbox_holder); |
| TextureMailbox(const gpu::Mailbox& mailbox, uint32 target, uint32 sync_point); |
| TextureMailbox(base::SharedMemory* shared_memory, const gfx::Size& size); |
| |
| ~TextureMailbox(); |
| |
| bool IsValid() const { return IsTexture() || IsSharedMemory(); } |
| bool IsTexture() const { return !mailbox_holder_.mailbox.IsZero(); } |
| bool IsSharedMemory() const { return shared_memory_ != NULL; } |
| |
| bool Equals(const TextureMailbox&) const; |
| |
| const gpu::Mailbox& mailbox() const { return mailbox_holder_.mailbox; } |
| const int8* name() const { return mailbox().name; } |
| uint32 target() const { return mailbox_holder_.texture_target; } |
| uint32 sync_point() const { return mailbox_holder_.sync_point; } |
| void set_sync_point(int32 sync_point) { |
| mailbox_holder_.sync_point = sync_point; |
| } |
| |
| bool allow_overlay() const { return allow_overlay_; } |
| void set_allow_overlay(bool allow_overlay) { allow_overlay_ = allow_overlay; } |
| |
| base::SharedMemory* shared_memory() const { return shared_memory_; } |
| gfx::Size shared_memory_size() const { return shared_memory_size_; } |
| size_t SharedMemorySizeInBytes() const; |
| |
| private: |
| gpu::MailboxHolder mailbox_holder_; |
| base::SharedMemory* shared_memory_; |
| gfx::Size shared_memory_size_; |
| bool allow_overlay_; |
| }; |
| |
| } // namespace cc |
| |
| #endif // CC_RESOURCES_TEXTURE_MAILBOX_H_ |