1/* 2 * Mesa 3-D graphics library 3 * Version: 7.6 4 * 5 * Copyright (C) 1999-2008 Brian Paul All Rights Reserved. 6 * Copyright (C) 2009 VMware, Inc. All Rights Reserved. 7 * 8 * Permission is hereby granted, free of charge, to any person obtaining a 9 * copy of this software and associated documentation files (the "Software"), 10 * to deal in the Software without restriction, including without limitation 11 * the rights to use, copy, modify, merge, publish, distribute, sublicense, 12 * and/or sell copies of the Software, and to permit persons to whom the 13 * Software is furnished to do so, subject to the following conditions: 14 * 15 * The above copyright notice and this permission notice shall be included 16 * in all copies or substantial portions of the Software. 17 * 18 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS 19 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 20 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL 21 * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN 22 * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN 23 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. 24 */ 25 26 27 28#ifndef BUFFEROBJ_H 29#define BUFFEROBJ_H 30 31 32#include "mfeatures.h" 33#include "mtypes.h" 34 35 36/* 37 * Internal functions 38 */ 39 40 41/** Is the given buffer object currently mapped? */ 42static inline GLboolean 43_mesa_bufferobj_mapped(const struct gl_buffer_object *obj) 44{ 45 return obj->Pointer != NULL; 46} 47 48/** 49 * Is the given buffer object a user-created buffer object? 50 * Mesa uses default buffer objects in several places. Default buffers 51 * always have Name==0. User created buffers have Name!=0. 52 */ 53static inline GLboolean 54_mesa_is_bufferobj(const struct gl_buffer_object *obj) 55{ 56 return obj != NULL && obj->Name != 0; 57} 58 59 60extern void 61_mesa_init_buffer_objects( struct gl_context *ctx ); 62 63extern void 64_mesa_free_buffer_objects( struct gl_context *ctx ); 65 66extern void 67_mesa_update_default_objects_buffer_objects(struct gl_context *ctx); 68 69 70extern struct gl_buffer_object * 71_mesa_lookup_bufferobj(struct gl_context *ctx, GLuint buffer); 72 73extern void 74_mesa_initialize_buffer_object( struct gl_context *ctx, 75 struct gl_buffer_object *obj, 76 GLuint name, GLenum target ); 77 78extern void 79_mesa_reference_buffer_object_(struct gl_context *ctx, 80 struct gl_buffer_object **ptr, 81 struct gl_buffer_object *bufObj); 82 83static inline void 84_mesa_reference_buffer_object(struct gl_context *ctx, 85 struct gl_buffer_object **ptr, 86 struct gl_buffer_object *bufObj) 87{ 88 if (*ptr != bufObj) 89 _mesa_reference_buffer_object_(ctx, ptr, bufObj); 90} 91 92extern GLuint 93_mesa_total_buffer_object_memory(struct gl_context *ctx); 94 95extern void 96_mesa_init_buffer_object_functions(struct dd_function_table *driver); 97 98 99/* 100 * API functions 101 */ 102 103extern void GLAPIENTRY 104_mesa_BindBufferARB(GLenum target, GLuint buffer); 105 106extern void GLAPIENTRY 107_mesa_DeleteBuffersARB(GLsizei n, const GLuint * buffer); 108 109extern void GLAPIENTRY 110_mesa_GenBuffersARB(GLsizei n, GLuint * buffer); 111 112extern GLboolean GLAPIENTRY 113_mesa_IsBufferARB(GLuint buffer); 114 115extern void GLAPIENTRY 116_mesa_BufferDataARB(GLenum target, GLsizeiptrARB size, const GLvoid * data, GLenum usage); 117 118extern void GLAPIENTRY 119_mesa_BufferSubDataARB(GLenum target, GLintptrARB offset, GLsizeiptrARB size, const GLvoid * data); 120 121extern void GLAPIENTRY 122_mesa_GetBufferSubDataARB(GLenum target, GLintptrARB offset, GLsizeiptrARB size, void * data); 123 124extern void * GLAPIENTRY 125_mesa_MapBufferARB(GLenum target, GLenum access); 126 127extern GLboolean GLAPIENTRY 128_mesa_UnmapBufferARB(GLenum target); 129 130extern void GLAPIENTRY 131_mesa_GetBufferParameterivARB(GLenum target, GLenum pname, GLint *params); 132 133extern void GLAPIENTRY 134_mesa_GetBufferParameteri64v(GLenum target, GLenum pname, GLint64 *params); 135 136extern void GLAPIENTRY 137_mesa_GetBufferPointervARB(GLenum target, GLenum pname, GLvoid **params); 138 139extern void GLAPIENTRY 140_mesa_CopyBufferSubData(GLenum readTarget, GLenum writeTarget, 141 GLintptr readOffset, GLintptr writeOffset, 142 GLsizeiptr size); 143 144extern void * GLAPIENTRY 145_mesa_MapBufferRange(GLenum target, GLintptr offset, GLsizeiptr length, 146 GLbitfield access); 147 148extern void GLAPIENTRY 149_mesa_FlushMappedBufferRange(GLenum target, GLintptr offset, GLsizeiptr length); 150 151#if FEATURE_APPLE_object_purgeable 152extern GLenum GLAPIENTRY 153_mesa_ObjectPurgeableAPPLE(GLenum objectType, GLuint name, GLenum option); 154 155extern GLenum GLAPIENTRY 156_mesa_ObjectUnpurgeableAPPLE(GLenum objectType, GLuint name, GLenum option); 157 158extern void GLAPIENTRY 159_mesa_GetObjectParameterivAPPLE(GLenum objectType, GLuint name, GLenum pname, GLint* params); 160#endif 161 162void GLAPIENTRY 163_mesa_BindBufferBase(GLenum target, GLuint index, GLuint buffer); 164 165void GLAPIENTRY 166_mesa_BindBufferRange(GLenum target, GLuint index, 167 GLuint buffer, GLintptr offset, GLsizeiptr size); 168 169extern void 170_mesa_init_bufferobj_dispatch(struct gl_context *ctx, 171 struct _glapi_table *disp); 172 173#endif 174