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| 1 // Copyright 2013 The Chromium Authors. All rights reserved. | |
| 2 // Use of this source code is governed by a BSD-style license that can be | |
| 3 // found in the LICENSE file. | |
| 4 | |
| 5 #ifndef CC_RESOURCES_TEXTURE_MAILBOX_H_ | |
| 6 #define CC_RESOURCES_TEXTURE_MAILBOX_H_ | |
| 7 | |
| 8 #include <string> | |
| 9 | |
| 10 #include "base/memory/shared_memory.h" | |
| 11 #include "gpu/command_buffer/common/mailbox_holder.h" | |
| 12 #include "ui/gfx/geometry/size.h" | |
| 13 | |
| 14 namespace cc { | |
| 15 class SharedBitmap; | |
| 16 | |
| 17 // TODO(skaslev, danakj) Rename this class more apropriately since now it | |
| 18 // can hold a shared memory resource as well as a texture mailbox. | |
| 19 class TextureMailbox { | |
| 20 public: | |
| 21 TextureMailbox(); | |
| 22 explicit TextureMailbox(const gpu::MailboxHolder& mailbox_holder); | |
| 23 TextureMailbox(const gpu::Mailbox& mailbox, uint32 target, uint32 sync_point); | |
| 24 TextureMailbox(SharedBitmap* shared_bitmap, const gfx::Size& size); | |
| 25 | |
| 26 ~TextureMailbox(); | |
| 27 | |
| 28 bool IsValid() const { return IsTexture() || IsSharedMemory(); } | |
| 29 bool IsTexture() const { return !mailbox_holder_.mailbox.IsZero(); } | |
| 30 bool IsSharedMemory() const { return shared_bitmap_ != NULL; } | |
| 31 | |
| 32 bool Equals(const TextureMailbox&) const; | |
| 33 | |
| 34 const gpu::Mailbox& mailbox() const { return mailbox_holder_.mailbox; } | |
| 35 const int8* name() const { return mailbox().name; } | |
| 36 uint32 target() const { return mailbox_holder_.texture_target; } | |
| 37 uint32 sync_point() const { return mailbox_holder_.sync_point; } | |
| 38 void set_sync_point(int32 sync_point) { | |
| 39 mailbox_holder_.sync_point = sync_point; | |
| 40 } | |
| 41 | |
| 42 bool allow_overlay() const { return allow_overlay_; } | |
| 43 void set_allow_overlay(bool allow_overlay) { allow_overlay_ = allow_overlay; } | |
| 44 bool nearest_neighbor() const { return nearest_neighbor_; } | |
| 45 void set_nearest_neighbor(bool nearest_neighbor) { | |
| 46 nearest_neighbor_ = nearest_neighbor; | |
| 47 } | |
| 48 | |
| 49 SharedBitmap* shared_bitmap() const { return shared_bitmap_; } | |
| 50 gfx::Size shared_memory_size() const { return shared_memory_size_; } | |
| 51 size_t SharedMemorySizeInBytes() const; | |
| 52 | |
| 53 private: | |
| 54 gpu::MailboxHolder mailbox_holder_; | |
| 55 SharedBitmap* shared_bitmap_; | |
| 56 gfx::Size shared_memory_size_; | |
| 57 bool allow_overlay_; | |
| 58 bool nearest_neighbor_; | |
| 59 }; | |
| 60 | |
| 61 } // namespace cc | |
| 62 | |
| 63 #endif // CC_RESOURCES_TEXTURE_MAILBOX_H_ | |
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