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? */ 42 static 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 */ 53 static inline GLboolean 54 _mesa_is_bufferobj(const struct gl_buffer_object *obj) 55 { 56 return obj != NULL && obj->Name != 0; 57 } 58 59 60 extern void 61 _mesa_init_buffer_objects( struct gl_context *ctx ); 62 63 extern void 64 _mesa_free_buffer_objects( struct gl_context *ctx ); 65 66 extern void 67 _mesa_update_default_objects_buffer_objects(struct gl_context *ctx); 68 69 70 extern struct gl_buffer_object * 71 _mesa_lookup_bufferobj(struct gl_context *ctx, GLuint buffer); 72 73 extern void 74 _mesa_initialize_buffer_object( struct gl_context *ctx, 75 struct gl_buffer_object *obj, 76 GLuint name, GLenum target ); 77 78 extern void 79 _mesa_reference_buffer_object_(struct gl_context *ctx, 80 struct gl_buffer_object **ptr, 81 struct gl_buffer_object *bufObj); 82 83 static 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 92 extern GLuint 93 _mesa_total_buffer_object_memory(struct gl_context *ctx); 94 95 extern void 96 _mesa_init_buffer_object_functions(struct dd_function_table *driver); 97 98 99 /* 100 * API functions 101 */ 102 103 extern void GLAPIENTRY 104 _mesa_BindBufferARB(GLenum target, GLuint buffer); 105 106 extern void GLAPIENTRY 107 _mesa_DeleteBuffersARB(GLsizei n, const GLuint * buffer); 108 109 extern void GLAPIENTRY 110 _mesa_GenBuffersARB(GLsizei n, GLuint * buffer); 111 112 extern GLboolean GLAPIENTRY 113 _mesa_IsBufferARB(GLuint buffer); 114 115 extern void GLAPIENTRY 116 _mesa_BufferDataARB(GLenum target, GLsizeiptrARB size, const GLvoid * data, GLenum usage); 117 118 extern void GLAPIENTRY 119 _mesa_BufferSubDataARB(GLenum target, GLintptrARB offset, GLsizeiptrARB size, const GLvoid * data); 120 121 extern void GLAPIENTRY 122 _mesa_GetBufferSubDataARB(GLenum target, GLintptrARB offset, GLsizeiptrARB size, void * data); 123 124 extern void * GLAPIENTRY 125 _mesa_MapBufferARB(GLenum target, GLenum access); 126 127 extern GLboolean GLAPIENTRY 128 _mesa_UnmapBufferARB(GLenum target); 129 130 extern void GLAPIENTRY 131 _mesa_GetBufferParameterivARB(GLenum target, GLenum pname, GLint *params); 132 133 extern void GLAPIENTRY 134 _mesa_GetBufferParameteri64v(GLenum target, GLenum pname, GLint64 *params); 135 136 extern void GLAPIENTRY 137 _mesa_GetBufferPointervARB(GLenum target, GLenum pname, GLvoid **params); 138 139 extern void GLAPIENTRY 140 _mesa_CopyBufferSubData(GLenum readTarget, GLenum writeTarget, 141 GLintptr readOffset, GLintptr writeOffset, 142 GLsizeiptr size); 143 144 extern void * GLAPIENTRY 145 _mesa_MapBufferRange(GLenum target, GLintptr offset, GLsizeiptr length, 146 GLbitfield access); 147 148 extern void GLAPIENTRY 149 _mesa_FlushMappedBufferRange(GLenum target, GLintptr offset, GLsizeiptr length); 150 151 #if FEATURE_APPLE_object_purgeable 152 extern GLenum GLAPIENTRY 153 _mesa_ObjectPurgeableAPPLE(GLenum objectType, GLuint name, GLenum option); 154 155 extern GLenum GLAPIENTRY 156 _mesa_ObjectUnpurgeableAPPLE(GLenum objectType, GLuint name, GLenum option); 157 158 extern void GLAPIENTRY 159 _mesa_GetObjectParameterivAPPLE(GLenum objectType, GLuint name, GLenum pname, GLint* params); 160 #endif 161 162 void GLAPIENTRY 163 _mesa_BindBufferBase(GLenum target, GLuint index, GLuint buffer); 164 165 void GLAPIENTRY 166 _mesa_BindBufferRange(GLenum target, GLuint index, 167 GLuint buffer, GLintptr offset, GLsizeiptr size); 168 169 extern void 170 _mesa_init_bufferobj_dispatch(struct gl_context *ctx, 171 struct _glapi_table *disp); 172 173 #endif 174
