| // Copyright (c) 2011 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 PPAPI_CPP_DEV_BUFFER_DEV_H_ |
| #define PPAPI_CPP_DEV_BUFFER_DEV_H_ |
| |
| #include <stdint.h> |
| |
| #include "ppapi/cpp/resource.h" |
| |
| namespace pp { |
| |
| class InstanceHandle; |
| |
| class Buffer_Dev : public Resource { |
| public: |
| // Creates an is_null() Buffer object. |
| Buffer_Dev(); |
| Buffer_Dev(const Buffer_Dev& other); |
| explicit Buffer_Dev(PP_Resource resource); |
| |
| // Creates & Maps a new Buffer in the browser with the given size. The |
| // resulting object will be is_null() if either Create() or Map() fails. |
| Buffer_Dev(const InstanceHandle& instance, uint32_t size); |
| |
| // Constructor used when the buffer resource already has a reference count |
| // assigned. No additional reference is taken. |
| Buffer_Dev(PassRef, PP_Resource resource); |
| |
| // Unmap the underlying shared memory. |
| virtual ~Buffer_Dev(); |
| |
| Buffer_Dev& operator=(const Buffer_Dev& rhs); |
| |
| uint32_t size() const { return size_; } |
| void* data() const { return data_; } |
| |
| private: |
| void Init(); |
| |
| void* data_; |
| uint32_t size_; |
| }; |
| |
| } // namespace pp |
| |
| #endif // PPAPI_CPP_DEV_BUFFER_DEV_H_ |