| // 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 <stddef.h> |
| #include <stdint.h> |
| |
| #include <string> |
| |
| #include "base/memory/shared_memory.h" |
| #include "cc/base/cc_export.h" |
| #include "gpu/command_buffer/common/mailbox_holder.h" |
| #include "ui/gfx/color_space.h" |
| #include "ui/gfx/geometry/size.h" |
| |
| namespace cc { |
| class SharedBitmap; |
| |
| // 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, |
| const gpu::SyncToken& sync_token, |
| uint32_t target); |
| TextureMailbox(const gpu::Mailbox& mailbox, |
| const gpu::SyncToken& sync_token, |
| uint32_t target, |
| const gfx::Size& size_in_pixels, |
| bool is_overlay_candidate, |
| bool secure_output_only); |
| TextureMailbox(SharedBitmap* shared_bitmap, const gfx::Size& size_in_pixels); |
| |
| ~TextureMailbox(); |
| |
| bool IsValid() const { return IsTexture() || IsSharedMemory(); } |
| bool IsTexture() const { return !mailbox_holder_.mailbox.IsZero(); } |
| bool IsSharedMemory() const { return shared_bitmap_ != NULL; } |
| bool HasSyncToken() const { return mailbox_holder_.sync_token.HasData(); } |
| |
| int8_t* GetSyncTokenData() { return mailbox_holder_.sync_token.GetData(); } |
| |
| bool Equals(const TextureMailbox&) const; |
| |
| const gpu::Mailbox& mailbox() const { return mailbox_holder_.mailbox; } |
| const int8_t* name() const { return mailbox().name; } |
| uint32_t target() const { return mailbox_holder_.texture_target; } |
| const gpu::SyncToken& sync_token() const { |
| return mailbox_holder_.sync_token; |
| } |
| void set_sync_token(const gpu::SyncToken& sync_token) { |
| mailbox_holder_.sync_token = sync_token; |
| } |
| |
| bool is_overlay_candidate() const { return is_overlay_candidate_; } |
| bool secure_output_only() const { return secure_output_only_; } |
| bool nearest_neighbor() const { return nearest_neighbor_; } |
| void set_nearest_neighbor(bool nearest_neighbor) { |
| nearest_neighbor_ = nearest_neighbor; |
| } |
| const gfx::ColorSpace& color_space() const { return color_space_; } |
| void set_color_space(const gfx::ColorSpace& color_space) { |
| color_space_ = color_space; |
| } |
| |
| // This is valid if allow_overlau() or IsSharedMemory() is true. |
| gfx::Size size_in_pixels() const { return size_in_pixels_; } |
| |
| SharedBitmap* shared_bitmap() const { return shared_bitmap_; } |
| size_t SharedMemorySizeInBytes() const; |
| |
| private: |
| gpu::MailboxHolder mailbox_holder_; |
| SharedBitmap* shared_bitmap_; |
| gfx::Size size_in_pixels_; |
| bool is_overlay_candidate_; |
| bool secure_output_only_; |
| bool nearest_neighbor_; |
| gfx::ColorSpace color_space_; |
| }; |
| |
| } // namespace cc |
| |
| #endif // CC_RESOURCES_TEXTURE_MAILBOX_H_ |