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/* Copyright 2012 The Chromium Authors
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*/
/* From dev/ppb_buffer_dev.idl modified Wed Oct 5 14:06:02 2011. */
#ifndef PPAPI_C_DEV_PPB_BUFFER_DEV_H_
#define PPAPI_C_DEV_PPB_BUFFER_DEV_H_
#include "ppapi/c/pp_bool.h"
#include "ppapi/c/pp_instance.h"
#include "ppapi/c/pp_macros.h"
#include "ppapi/c/pp_resource.h"
#include "ppapi/c/pp_stdint.h"
#define PPB_BUFFER_DEV_INTERFACE_0_4 "PPB_Buffer(Dev);0.4"
#define PPB_BUFFER_DEV_INTERFACE PPB_BUFFER_DEV_INTERFACE_0_4
/**
* @file
* This file defines the <code>PPB_Buffer_Dev</code> interface.
*/
/**
* @addtogroup Interfaces
* @{
*/
struct PPB_Buffer_Dev_0_4 {
/**
* Allocates a buffer of the given size in bytes. The return value will have
* a non-zero ID on success, or zero on failure. Failure means the module
* handle was invalid. The buffer will be initialized to contain zeroes.
*/
PP_Resource (*Create)(PP_Instance instance, uint32_t size_in_bytes);
/**
* Returns PP_TRUE if the given resource is a Buffer. Returns PP_FALSE if the
* resource is invalid or some type other than a Buffer.
*/
PP_Bool (*IsBuffer)(PP_Resource resource);
/**
* Gets the size of the buffer. Returns PP_TRUE on success, PP_FALSE
* if the resource is not a buffer. On failure, |*size_in_bytes| is not set.
*/
PP_Bool (*Describe)(PP_Resource resource, uint32_t* size_in_bytes);
/**
* Maps this buffer into the plugin address space and returns a pointer to
* the beginning of the data.
*/
void* (*Map)(PP_Resource resource);
/**
* Unmaps this buffer.
*/
void (*Unmap)(PP_Resource resource);
};
typedef struct PPB_Buffer_Dev_0_4 PPB_Buffer_Dev;
/**
* @}
*/
#endif /* PPAPI_C_DEV_PPB_BUFFER_DEV_H_ */
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