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_SHARED_BITMAP_H_ 6 #define CC_RESOURCES_SHARED_BITMAP_H_ 7 8 #include "base/basictypes.h" 9 #include "base/callback.h" 10 #include "base/memory/shared_memory.h" 11 #include "cc/base/cc_export.h" 12 #include "gpu/command_buffer/common/mailbox.h" 13 14 namespace base { class SharedMemory; } 15 16 namespace cc { 17 typedef gpu::Mailbox SharedBitmapId; 18 19 class CC_EXPORT SharedBitmap { 20 public: 21 SharedBitmap(base::SharedMemory* memory, 22 const SharedBitmapId& id, 23 const base::Callback<void(SharedBitmap*)>& free_callback); 24 25 ~SharedBitmap(); 26 27 bool operator<(const SharedBitmap& right) const { 28 if (memory_ < right.memory_) 29 return true; 30 if (memory_ > right.memory_) 31 return false; 32 return id_ < right.id_; 33 } 34 pixels()35 uint8* pixels() { return static_cast<uint8*>(memory_->memory()); } 36 memory()37 base::SharedMemory* memory() { return memory_; } 38 id()39 SharedBitmapId id() { return id_; } 40 41 private: 42 base::SharedMemory* memory_; 43 SharedBitmapId id_; 44 base::Callback<void(SharedBitmap*)> free_callback_; 45 46 DISALLOW_COPY_AND_ASSIGN(SharedBitmap); 47 }; 48 49 } // namespace cc 50 51 #endif // CC_RESOURCES_SHARED_BITMAP_H_ 52