/* Copyright (c) 2012 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. */ /* 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_ */