1 /* 2 * Mesa 3-D graphics library 3 * 4 * Copyright (C) 1999-2008 Brian Paul All Rights Reserved. 5 * Copyright (C) 2009 VMware, Inc. All Rights Reserved. 6 * 7 * Permission is hereby granted, free of charge, to any person obtaining a 8 * copy of this software and associated documentation files (the "Software"), 9 * to deal in the Software without restriction, including without limitation 10 * the rights to use, copy, modify, merge, publish, distribute, sublicense, 11 * and/or sell copies of the Software, and to permit persons to whom the 12 * Software is furnished to do so, subject to the following conditions: 13 * 14 * The above copyright notice and this permission notice shall be included 15 * in all copies or substantial portions of the Software. 16 * 17 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS 18 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 19 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL 20 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR 21 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, 22 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR 23 * OTHER DEALINGS IN THE SOFTWARE. 24 */ 25 26 27 28 #ifndef BUFFEROBJ_H 29 #define BUFFEROBJ_H 30 31 #include <stdbool.h> 32 #include "mtypes.h" 33 34 35 /* 36 * Internal functions 37 */ 38 39 40 /** Is the given buffer object currently mapped by the GL user? */ 41 static inline GLboolean 42 _mesa_bufferobj_mapped(const struct gl_buffer_object *obj, 43 gl_map_buffer_index index) 44 { 45 return obj->Mappings[index].Pointer != NULL; 46 } 47 48 /** 49 * Check whether the given buffer object is illegally mapped prior to 50 * drawing from (or reading back to) the buffer. 51 * Note that it's legal for a buffer to be mapped at draw/readback time 52 * if it was mapped persistently (See GL_ARB_buffer_storage spec). 53 * \return true if the buffer is illegally mapped, false otherwise 54 */ 55 static inline bool 56 _mesa_check_disallowed_mapping(const struct gl_buffer_object *obj) 57 { 58 return _mesa_bufferobj_mapped(obj, MAP_USER) && 59 !(obj->Mappings[MAP_USER].AccessFlags & 60 GL_MAP_PERSISTENT_BIT); 61 } 62 63 /** 64 * Is the given buffer object a user-created buffer object? 65 * Mesa uses default buffer objects in several places. Default buffers 66 * always have Name==0. User created buffers have Name!=0. 67 */ 68 static inline GLboolean 69 _mesa_is_bufferobj(const struct gl_buffer_object *obj) 70 { 71 return obj != NULL && obj->Name != 0; 72 } 73 74 75 extern void 76 _mesa_init_buffer_objects(struct gl_context *ctx); 77 78 extern void 79 _mesa_free_buffer_objects(struct gl_context *ctx); 80 81 extern bool 82 _mesa_handle_bind_buffer_gen(struct gl_context *ctx, 83 GLuint buffer, 84 struct gl_buffer_object **buf_handle, 85 const char *caller); 86 87 extern void 88 _mesa_update_default_objects_buffer_objects(struct gl_context *ctx); 89 90 91 extern struct gl_buffer_object * 92 _mesa_lookup_bufferobj(struct gl_context *ctx, GLuint buffer); 93 94 extern struct gl_buffer_object * 95 _mesa_lookup_bufferobj_locked(struct gl_context *ctx, GLuint buffer); 96 97 extern struct gl_buffer_object * 98 _mesa_lookup_bufferobj_err(struct gl_context *ctx, GLuint buffer, 99 const char *caller); 100 101 extern struct gl_buffer_object * 102 _mesa_multi_bind_lookup_bufferobj(struct gl_context *ctx, 103 const GLuint *buffers, 104 GLuint index, const char *caller); 105 106 extern void 107 _mesa_initialize_buffer_object(struct gl_context *ctx, 108 struct gl_buffer_object *obj, 109 GLuint name); 110 111 extern void 112 _mesa_delete_buffer_object(struct gl_context *ctx, 113 struct gl_buffer_object *bufObj); 114 115 extern void 116 _mesa_reference_buffer_object_(struct gl_context *ctx, 117 struct gl_buffer_object **ptr, 118 struct gl_buffer_object *bufObj); 119 120 static inline void 121 _mesa_reference_buffer_object(struct gl_context *ctx, 122 struct gl_buffer_object **ptr, 123 struct gl_buffer_object *bufObj) 124 { 125 if (*ptr != bufObj) 126 _mesa_reference_buffer_object_(ctx, ptr, bufObj); 127 } 128 129 extern GLuint 130 _mesa_total_buffer_object_memory(struct gl_context *ctx); 131 132 extern void 133 _mesa_init_buffer_object_functions(struct dd_function_table *driver); 134 135 extern void 136 _mesa_buffer_data(struct gl_context *ctx, struct gl_buffer_object *bufObj, 137 GLenum target, GLsizeiptr size, const GLvoid *data, 138 GLenum usage, const char *func); 139 140 extern void 141 _mesa_buffer_sub_data(struct gl_context *ctx, struct gl_buffer_object *bufObj, 142 GLintptr offset, GLsizeiptr size, const GLvoid *data); 143 144 extern void 145 _mesa_buffer_unmap_all_mappings(struct gl_context *ctx, 146 struct gl_buffer_object *bufObj); 147 148 extern void 149 _mesa_ClearBufferSubData_sw(struct gl_context *ctx, 150 GLintptr offset, GLsizeiptr size, 151 const GLvoid *clearValue, 152 GLsizeiptr clearValueSize, 153 struct gl_buffer_object *bufObj); 154 155 /* 156 * API functions 157 */ 158 void GLAPIENTRY 159 _mesa_BindBuffer_no_error(GLenum target, GLuint buffer); 160 161 void GLAPIENTRY 162 _mesa_BindBuffer(GLenum target, GLuint buffer); 163 164 void GLAPIENTRY 165 _mesa_DeleteBuffers_no_error(GLsizei n, const GLuint * buffer); 166 167 void GLAPIENTRY 168 _mesa_DeleteBuffers(GLsizei n, const GLuint * buffer); 169 170 void GLAPIENTRY 171 _mesa_GenBuffers_no_error(GLsizei n, GLuint *buffers); 172 173 void GLAPIENTRY 174 _mesa_GenBuffers(GLsizei n, GLuint *buffers); 175 176 void GLAPIENTRY 177 _mesa_CreateBuffers_no_error(GLsizei n, GLuint *buffers); 178 179 void GLAPIENTRY 180 _mesa_CreateBuffers(GLsizei n, GLuint *buffers); 181 182 GLboolean GLAPIENTRY 183 _mesa_IsBuffer(GLuint buffer); 184 185 void GLAPIENTRY 186 _mesa_BufferStorage_no_error(GLenum target, GLsizeiptr size, 187 const GLvoid *data, GLbitfield flags); 188 void GLAPIENTRY 189 _mesa_BufferStorage(GLenum target, GLsizeiptr size, const GLvoid *data, 190 GLbitfield flags); 191 void GLAPIENTRY 192 _mesa_BufferStorageMemEXT(GLenum target, GLsizeiptr size, 193 GLuint memory, GLuint64 offset); 194 void GLAPIENTRY 195 _mesa_BufferStorageMemEXT_no_error(GLenum target, GLsizeiptr size, 196 GLuint memory, GLuint64 offset); 197 void GLAPIENTRY 198 _mesa_NamedBufferStorage_no_error(GLuint buffer, GLsizeiptr size, 199 const GLvoid *data, GLbitfield flags); 200 void GLAPIENTRY 201 _mesa_NamedBufferStorage(GLuint buffer, GLsizeiptr size, const GLvoid *data, 202 GLbitfield flags); 203 void GLAPIENTRY 204 _mesa_NamedBufferStorageMemEXT(GLuint buffer, GLsizeiptr size, 205 GLuint memory, GLuint64 offset); 206 void GLAPIENTRY 207 _mesa_NamedBufferStorageMemEXT_no_error(GLuint buffer, GLsizeiptr size, 208 GLuint memory, GLuint64 offset); 209 210 void GLAPIENTRY 211 _mesa_BufferData_no_error(GLenum target, GLsizeiptr size, 212 const GLvoid *data, GLenum usage); 213 214 void GLAPIENTRY 215 _mesa_BufferData(GLenum target, GLsizeiptr size, 216 const GLvoid *data, GLenum usage); 217 218 void GLAPIENTRY 219 _mesa_NamedBufferData_no_error(GLuint buffer, GLsizeiptr size, 220 const GLvoid *data, GLenum usage); 221 222 void GLAPIENTRY 223 _mesa_NamedBufferData(GLuint buffer, GLsizeiptr size, 224 const GLvoid *data, GLenum usage); 225 226 void GLAPIENTRY 227 _mesa_BufferSubData_no_error(GLenum target, GLintptr offset, 228 GLsizeiptr size, const GLvoid *data); 229 void GLAPIENTRY 230 _mesa_BufferSubData(GLenum target, GLintptr offset, 231 GLsizeiptr size, const GLvoid *data); 232 233 void GLAPIENTRY 234 _mesa_NamedBufferSubData_no_error(GLuint buffer, GLintptr offset, 235 GLsizeiptr size, const GLvoid *data); 236 void GLAPIENTRY 237 _mesa_NamedBufferSubData(GLuint buffer, GLintptr offset, 238 GLsizeiptr size, const GLvoid *data); 239 240 void GLAPIENTRY 241 _mesa_GetBufferSubData(GLenum target, GLintptr offset, 242 GLsizeiptr size, GLvoid *data); 243 244 void GLAPIENTRY 245 _mesa_GetNamedBufferSubData(GLuint buffer, GLintptr offset, 246 GLsizeiptr size, GLvoid *data); 247 248 void GLAPIENTRY 249 _mesa_ClearBufferData_no_error(GLenum target, GLenum internalformat, 250 GLenum format, GLenum type, const GLvoid *data); 251 252 void GLAPIENTRY 253 _mesa_ClearBufferData(GLenum target, GLenum internalformat, 254 GLenum format, GLenum type, 255 const GLvoid *data); 256 257 void GLAPIENTRY 258 _mesa_ClearNamedBufferData_no_error(GLuint buffer, GLenum internalformat, 259 GLenum format, GLenum type, 260 const GLvoid *data); 261 262 void GLAPIENTRY 263 _mesa_ClearNamedBufferData(GLuint buffer, GLenum internalformat, 264 GLenum format, GLenum type, 265 const GLvoid *data); 266 267 void GLAPIENTRY 268 _mesa_ClearBufferSubData_no_error(GLenum target, GLenum internalformat, 269 GLintptr offset, GLsizeiptr size, 270 GLenum format, GLenum type, 271 const GLvoid *data); 272 273 void GLAPIENTRY 274 _mesa_ClearBufferSubData(GLenum target, GLenum internalformat, 275 GLintptr offset, GLsizeiptr size, 276 GLenum format, GLenum type, 277 const GLvoid *data); 278 279 void GLAPIENTRY 280 _mesa_ClearNamedBufferSubData_no_error(GLuint buffer, GLenum internalformat, 281 GLintptr offset, GLsizeiptr size, 282 GLenum format, GLenum type, 283 const GLvoid *data); 284 285 void GLAPIENTRY 286 _mesa_ClearNamedBufferSubData(GLuint buffer, GLenum internalformat, 287 GLintptr offset, GLsizeiptr size, 288 GLenum format, GLenum type, 289 const GLvoid *data); 290 291 GLboolean GLAPIENTRY 292 _mesa_UnmapBuffer_no_error(GLenum target); 293 GLboolean GLAPIENTRY 294 _mesa_UnmapBuffer(GLenum target); 295 296 GLboolean GLAPIENTRY 297 _mesa_UnmapNamedBuffer_no_error(GLuint buffer); 298 GLboolean GLAPIENTRY 299 _mesa_UnmapNamedBuffer(GLuint buffer); 300 301 void GLAPIENTRY 302 _mesa_GetBufferParameteriv(GLenum target, GLenum pname, GLint *params); 303 304 void GLAPIENTRY 305 _mesa_GetBufferParameteri64v(GLenum target, GLenum pname, GLint64 *params); 306 307 void GLAPIENTRY 308 _mesa_GetNamedBufferParameteriv(GLuint buffer, GLenum pname, GLint *params); 309 310 void GLAPIENTRY 311 _mesa_GetNamedBufferParameteri64v(GLuint buffer, GLenum pname, 312 GLint64 *params); 313 314 void GLAPIENTRY 315 _mesa_GetBufferPointerv(GLenum target, GLenum pname, GLvoid **params); 316 317 void GLAPIENTRY 318 _mesa_GetNamedBufferPointerv(GLuint buffer, GLenum pname, GLvoid **params); 319 320 void GLAPIENTRY 321 _mesa_CopyBufferSubData_no_error(GLenum readTarget, GLenum writeTarget, 322 GLintptr readOffset, GLintptr writeOffset, 323 GLsizeiptr size); 324 void GLAPIENTRY 325 _mesa_CopyBufferSubData(GLenum readTarget, GLenum writeTarget, 326 GLintptr readOffset, GLintptr writeOffset, 327 GLsizeiptr size); 328 329 void GLAPIENTRY 330 _mesa_CopyNamedBufferSubData_no_error(GLuint readBuffer, GLuint writeBuffer, 331 GLintptr readOffset, 332 GLintptr writeOffset, GLsizeiptr size); 333 void GLAPIENTRY 334 _mesa_CopyNamedBufferSubData(GLuint readBuffer, GLuint writeBuffer, 335 GLintptr readOffset, GLintptr writeOffset, 336 GLsizeiptr size); 337 338 void * GLAPIENTRY 339 _mesa_MapBufferRange_no_error(GLenum target, GLintptr offset, 340 GLsizeiptr length, GLbitfield access); 341 void * GLAPIENTRY 342 _mesa_MapBufferRange(GLenum target, GLintptr offset, GLsizeiptr length, 343 GLbitfield access); 344 345 void * GLAPIENTRY 346 _mesa_MapNamedBufferRange_no_error(GLuint buffer, GLintptr offset, 347 GLsizeiptr length, GLbitfield access); 348 void * GLAPIENTRY 349 _mesa_MapNamedBufferRange(GLuint buffer, GLintptr offset, GLsizeiptr length, 350 GLbitfield access); 351 352 void * GLAPIENTRY 353 _mesa_MapBuffer_no_error(GLenum target, GLenum access); 354 void * GLAPIENTRY 355 _mesa_MapBuffer(GLenum target, GLenum access); 356 357 void * GLAPIENTRY 358 _mesa_MapNamedBuffer_no_error(GLuint buffer, GLenum access); 359 void * GLAPIENTRY 360 _mesa_MapNamedBuffer(GLuint buffer, GLenum access); 361 362 void GLAPIENTRY 363 _mesa_FlushMappedBufferRange_no_error(GLenum target, GLintptr offset, 364 GLsizeiptr length); 365 void GLAPIENTRY 366 _mesa_FlushMappedBufferRange(GLenum target, 367 GLintptr offset, GLsizeiptr length); 368 369 void GLAPIENTRY 370 _mesa_FlushMappedNamedBufferRange_no_error(GLuint buffer, GLintptr offset, 371 GLsizeiptr length); 372 void GLAPIENTRY 373 _mesa_FlushMappedNamedBufferRange(GLuint buffer, GLintptr offset, 374 GLsizeiptr length); 375 376 void GLAPIENTRY 377 _mesa_BindBufferRange_no_error(GLenum target, GLuint index, GLuint buffer, 378 GLintptr offset, GLsizeiptr size); 379 void GLAPIENTRY 380 _mesa_BindBufferRange(GLenum target, GLuint index, 381 GLuint buffer, GLintptr offset, GLsizeiptr size); 382 383 void GLAPIENTRY 384 _mesa_BindBufferBase(GLenum target, GLuint index, GLuint buffer); 385 386 void GLAPIENTRY 387 _mesa_BindBuffersRange(GLenum target, GLuint first, GLsizei count, 388 const GLuint *buffers, 389 const GLintptr *offsets, const GLsizeiptr *sizes); 390 void GLAPIENTRY 391 _mesa_BindBuffersBase(GLenum target, GLuint first, GLsizei count, 392 const GLuint *buffers); 393 394 void GLAPIENTRY 395 _mesa_InvalidateBufferSubData_no_error(GLuint buffer, GLintptr offset, 396 GLsizeiptr length); 397 398 void GLAPIENTRY 399 _mesa_InvalidateBufferSubData(GLuint buffer, GLintptr offset, 400 GLsizeiptr length); 401 402 void GLAPIENTRY 403 _mesa_InvalidateBufferData_no_error(GLuint buffer); 404 405 void GLAPIENTRY 406 _mesa_InvalidateBufferData(GLuint buffer); 407 408 void GLAPIENTRY 409 _mesa_BufferPageCommitmentARB(GLenum target, GLintptr offset, GLsizeiptr size, 410 GLboolean commit); 411 412 void GLAPIENTRY 413 _mesa_NamedBufferPageCommitmentARB(GLuint buffer, GLintptr offset, 414 GLsizeiptr size, GLboolean commit); 415 416 #endif 417
