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
_mesa_bufferobj_mapped(const struct gl_buffer_object * obj,gl_map_buffer_index index)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
_mesa_check_disallowed_mapping(const struct gl_buffer_object * obj)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 extern void
65 _mesa_init_buffer_objects(struct gl_context *ctx);
66
67 extern void
68 _mesa_free_buffer_objects(struct gl_context *ctx);
69
70 extern bool
71 _mesa_handle_bind_buffer_gen(struct gl_context *ctx,
72 GLuint buffer,
73 struct gl_buffer_object **buf_handle,
74 const char *caller);
75
76 extern void
77 _mesa_update_default_objects_buffer_objects(struct gl_context *ctx);
78
79
80 extern struct gl_buffer_object *
81 _mesa_lookup_bufferobj(struct gl_context *ctx, GLuint buffer);
82
83 extern struct gl_buffer_object *
84 _mesa_lookup_bufferobj_locked(struct gl_context *ctx, GLuint buffer);
85
86 extern struct gl_buffer_object *
87 _mesa_lookup_bufferobj_err(struct gl_context *ctx, GLuint buffer,
88 const char *caller);
89
90 extern struct gl_buffer_object *
91 _mesa_multi_bind_lookup_bufferobj(struct gl_context *ctx,
92 const GLuint *buffers,
93 GLuint index, const char *caller,
94 bool *error);
95
96 extern void
97 _mesa_initialize_buffer_object(struct gl_context *ctx,
98 struct gl_buffer_object *obj,
99 GLuint name);
100
101 extern void
102 _mesa_delete_buffer_object(struct gl_context *ctx,
103 struct gl_buffer_object *bufObj);
104
105 extern void
106 _mesa_reference_buffer_object_(struct gl_context *ctx,
107 struct gl_buffer_object **ptr,
108 struct gl_buffer_object *bufObj);
109
110 static inline void
_mesa_reference_buffer_object(struct gl_context * ctx,struct gl_buffer_object ** ptr,struct gl_buffer_object * bufObj)111 _mesa_reference_buffer_object(struct gl_context *ctx,
112 struct gl_buffer_object **ptr,
113 struct gl_buffer_object *bufObj)
114 {
115 if (*ptr != bufObj)
116 _mesa_reference_buffer_object_(ctx, ptr, bufObj);
117 }
118
119 extern GLuint
120 _mesa_total_buffer_object_memory(struct gl_context *ctx);
121
122 extern void
123 _mesa_init_buffer_object_functions(struct dd_function_table *driver);
124
125 extern void
126 _mesa_buffer_data(struct gl_context *ctx, struct gl_buffer_object *bufObj,
127 GLenum target, GLsizeiptr size, const GLvoid *data,
128 GLenum usage, const char *func);
129
130 extern void
131 _mesa_buffer_sub_data(struct gl_context *ctx, struct gl_buffer_object *bufObj,
132 GLintptr offset, GLsizeiptr size, const GLvoid *data);
133
134 extern void
135 _mesa_buffer_unmap_all_mappings(struct gl_context *ctx,
136 struct gl_buffer_object *bufObj);
137
138 extern void
139 _mesa_ClearBufferSubData_sw(struct gl_context *ctx,
140 GLintptr offset, GLsizeiptr size,
141 const GLvoid *clearValue,
142 GLsizeiptr clearValueSize,
143 struct gl_buffer_object *bufObj);
144
145 /*
146 * API functions
147 */
148 void GLAPIENTRY
149 _mesa_BindBuffer_no_error(GLenum target, GLuint buffer);
150
151 void GLAPIENTRY
152 _mesa_BindBuffer(GLenum target, GLuint buffer);
153
154 void
155 _mesa_InternalBindElementBuffer(struct gl_context *ctx,
156 struct gl_buffer_object *buf);
157
158 void GLAPIENTRY
159 _mesa_DeleteBuffers_no_error(GLsizei n, const GLuint * buffer);
160
161 void GLAPIENTRY
162 _mesa_DeleteBuffers(GLsizei n, const GLuint * buffer);
163
164 void GLAPIENTRY
165 _mesa_GenBuffers_no_error(GLsizei n, GLuint *buffers);
166
167 void GLAPIENTRY
168 _mesa_GenBuffers(GLsizei n, GLuint *buffers);
169
170 void GLAPIENTRY
171 _mesa_CreateBuffers_no_error(GLsizei n, GLuint *buffers);
172
173 void GLAPIENTRY
174 _mesa_CreateBuffers(GLsizei n, GLuint *buffers);
175
176 GLboolean GLAPIENTRY
177 _mesa_IsBuffer(GLuint buffer);
178
179 void GLAPIENTRY
180 _mesa_BufferStorage_no_error(GLenum target, GLsizeiptr size,
181 const GLvoid *data, GLbitfield flags);
182 void GLAPIENTRY
183 _mesa_BufferStorage(GLenum target, GLsizeiptr size, const GLvoid *data,
184 GLbitfield flags);
185 void GLAPIENTRY
186 _mesa_NamedBufferStorageEXT(GLuint buffer, GLsizeiptr size,
187 const GLvoid *data, GLbitfield flags);
188 void GLAPIENTRY
189 _mesa_BufferStorageMemEXT(GLenum target, GLsizeiptr size,
190 GLuint memory, GLuint64 offset);
191 void GLAPIENTRY
192 _mesa_BufferStorageMemEXT_no_error(GLenum target, GLsizeiptr size,
193 GLuint memory, GLuint64 offset);
194 void GLAPIENTRY
195 _mesa_NamedBufferStorage_no_error(GLuint buffer, GLsizeiptr size,
196 const GLvoid *data, GLbitfield flags);
197 void GLAPIENTRY
198 _mesa_NamedBufferStorage(GLuint buffer, GLsizeiptr size, const GLvoid *data,
199 GLbitfield flags);
200 void GLAPIENTRY
201 _mesa_NamedBufferStorageMemEXT(GLuint buffer, GLsizeiptr size,
202 GLuint memory, GLuint64 offset);
203 void GLAPIENTRY
204 _mesa_NamedBufferStorageMemEXT_no_error(GLuint buffer, GLsizeiptr size,
205 GLuint memory, GLuint64 offset);
206
207 void GLAPIENTRY
208 _mesa_BufferData_no_error(GLenum target, GLsizeiptr size,
209 const GLvoid *data, GLenum usage);
210
211 void GLAPIENTRY
212 _mesa_BufferData(GLenum target, GLsizeiptr size,
213 const GLvoid *data, GLenum usage);
214
215 void GLAPIENTRY
216 _mesa_NamedBufferData_no_error(GLuint buffer, GLsizeiptr size,
217 const GLvoid *data, GLenum usage);
218
219 void GLAPIENTRY
220 _mesa_NamedBufferData(GLuint buffer, GLsizeiptr size,
221 const GLvoid *data, GLenum usage);
222 void GLAPIENTRY
223 _mesa_NamedBufferDataEXT(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 void GLAPIENTRY
240 _mesa_NamedBufferSubDataEXT(GLuint buffer, GLintptr offset,
241 GLsizeiptr size, const GLvoid *data);
242
243 void GLAPIENTRY
244 _mesa_GetBufferSubData(GLenum target, GLintptr offset,
245 GLsizeiptr size, GLvoid *data);
246
247 void GLAPIENTRY
248 _mesa_GetNamedBufferSubData(GLuint buffer, GLintptr offset,
249 GLsizeiptr size, GLvoid *data);
250
251 void GLAPIENTRY
252 _mesa_GetNamedBufferSubDataEXT(GLuint buffer, GLintptr offset,
253 GLsizeiptr size, GLvoid *data);
254
255 void GLAPIENTRY
256 _mesa_ClearBufferData_no_error(GLenum target, GLenum internalformat,
257 GLenum format, GLenum type, const GLvoid *data);
258
259 void GLAPIENTRY
260 _mesa_ClearBufferData(GLenum target, GLenum internalformat,
261 GLenum format, GLenum type,
262 const GLvoid *data);
263
264 void GLAPIENTRY
265 _mesa_ClearNamedBufferData_no_error(GLuint buffer, GLenum internalformat,
266 GLenum format, GLenum type,
267 const GLvoid *data);
268
269 void GLAPIENTRY
270 _mesa_ClearNamedBufferData(GLuint buffer, GLenum internalformat,
271 GLenum format, GLenum type,
272 const GLvoid *data);
273
274 void GLAPIENTRY
275 _mesa_ClearNamedBufferDataEXT(GLuint buffer, GLenum internalformat,
276 GLenum format, GLenum type,
277 const GLvoid *data);
278
279 void GLAPIENTRY
280 _mesa_ClearBufferSubData_no_error(GLenum target, GLenum internalformat,
281 GLintptr offset, GLsizeiptr size,
282 GLenum format, GLenum type,
283 const GLvoid *data);
284
285 void GLAPIENTRY
286 _mesa_ClearBufferSubData(GLenum target, GLenum internalformat,
287 GLintptr offset, GLsizeiptr size,
288 GLenum format, GLenum type,
289 const GLvoid *data);
290
291 void GLAPIENTRY
292 _mesa_ClearNamedBufferSubData_no_error(GLuint buffer, GLenum internalformat,
293 GLintptr offset, GLsizeiptr size,
294 GLenum format, GLenum type,
295 const GLvoid *data);
296
297 void GLAPIENTRY
298 _mesa_ClearNamedBufferSubData(GLuint buffer, GLenum internalformat,
299 GLintptr offset, GLsizeiptr size,
300 GLenum format, GLenum type,
301 const GLvoid *data);
302
303 void GLAPIENTRY
304 _mesa_ClearNamedBufferSubDataEXT(GLuint buffer, GLenum internalformat,
305 GLintptr offset, GLsizeiptr size,
306 GLenum format, GLenum type,
307 const GLvoid *data);
308
309 GLboolean GLAPIENTRY
310 _mesa_UnmapBuffer_no_error(GLenum target);
311 GLboolean GLAPIENTRY
312 _mesa_UnmapBuffer(GLenum target);
313
314 GLboolean GLAPIENTRY
315 _mesa_UnmapNamedBufferEXT_no_error(GLuint buffer);
316 GLboolean GLAPIENTRY
317 _mesa_UnmapNamedBufferEXT(GLuint buffer);
318
319 void GLAPIENTRY
320 _mesa_GetBufferParameteriv(GLenum target, GLenum pname, GLint *params);
321
322 void GLAPIENTRY
323 _mesa_GetBufferParameteri64v(GLenum target, GLenum pname, GLint64 *params);
324
325 void GLAPIENTRY
326 _mesa_GetNamedBufferParameteriv(GLuint buffer, GLenum pname, GLint *params);
327
328 void GLAPIENTRY
329 _mesa_GetNamedBufferParameterivEXT(GLuint buffer, GLenum pname, GLint *params);
330
331 void GLAPIENTRY
332 _mesa_GetNamedBufferParameteri64v(GLuint buffer, GLenum pname,
333 GLint64 *params);
334
335 void GLAPIENTRY
336 _mesa_GetBufferPointerv(GLenum target, GLenum pname, GLvoid **params);
337
338 void GLAPIENTRY
339 _mesa_GetNamedBufferPointerv(GLuint buffer, GLenum pname, GLvoid **params);
340
341 void GLAPIENTRY
342 _mesa_GetNamedBufferPointervEXT(GLuint buffer, GLenum pname, GLvoid **params);
343
344 void GLAPIENTRY
345 _mesa_CopyBufferSubData_no_error(GLenum readTarget, GLenum writeTarget,
346 GLintptr readOffset, GLintptr writeOffset,
347 GLsizeiptr size);
348 void GLAPIENTRY
349 _mesa_CopyBufferSubData(GLenum readTarget, GLenum writeTarget,
350 GLintptr readOffset, GLintptr writeOffset,
351 GLsizeiptr size);
352
353 void GLAPIENTRY
354 _mesa_NamedCopyBufferSubDataEXT(GLuint readBuffer, GLuint writeBuffer,
355 GLintptr readOffset, GLintptr writeOffset,
356 GLsizeiptr size);
357
358 void GLAPIENTRY
359 _mesa_CopyNamedBufferSubData_no_error(GLuint readBuffer, GLuint writeBuffer,
360 GLintptr readOffset,
361 GLintptr writeOffset, GLsizeiptr size);
362 void GLAPIENTRY
363 _mesa_CopyNamedBufferSubData(GLuint readBuffer, GLuint writeBuffer,
364 GLintptr readOffset, GLintptr writeOffset,
365 GLsizeiptr size);
366 void GLAPIENTRY
367 _mesa_InternalBufferSubDataCopyMESA(GLintptr srcBuffer, GLuint srcOffset,
368 GLuint dstTargetOrName, GLintptr dstOffset,
369 GLsizeiptr size, GLboolean named,
370 GLboolean ext_dsa);
371
372 void * GLAPIENTRY
373 _mesa_MapBufferRange_no_error(GLenum target, GLintptr offset,
374 GLsizeiptr length, GLbitfield access);
375 void * GLAPIENTRY
376 _mesa_MapBufferRange(GLenum target, GLintptr offset, GLsizeiptr length,
377 GLbitfield access);
378
379 void * GLAPIENTRY
380 _mesa_MapNamedBufferRange_no_error(GLuint buffer, GLintptr offset,
381 GLsizeiptr length, GLbitfield access);
382 void * GLAPIENTRY
383 _mesa_MapNamedBufferRange(GLuint buffer, GLintptr offset, GLsizeiptr length,
384 GLbitfield access);
385 void * GLAPIENTRY
386 _mesa_MapNamedBufferRangeEXT(GLuint buffer, GLintptr offset,
387 GLsizeiptr length, GLbitfield access);
388
389 void * GLAPIENTRY
390 _mesa_MapBuffer_no_error(GLenum target, GLenum access);
391 void * GLAPIENTRY
392 _mesa_MapBuffer(GLenum target, GLenum access);
393
394 void * GLAPIENTRY
395 _mesa_MapNamedBuffer_no_error(GLuint buffer, GLenum access);
396 void * GLAPIENTRY
397 _mesa_MapNamedBuffer(GLuint buffer, GLenum access);
398 void * GLAPIENTRY
399 _mesa_MapNamedBufferEXT(GLuint buffer, GLenum access);
400
401 void GLAPIENTRY
402 _mesa_FlushMappedBufferRange_no_error(GLenum target, GLintptr offset,
403 GLsizeiptr length);
404 void GLAPIENTRY
405 _mesa_FlushMappedBufferRange(GLenum target,
406 GLintptr offset, GLsizeiptr length);
407
408 void GLAPIENTRY
409 _mesa_FlushMappedNamedBufferRange_no_error(GLuint buffer, GLintptr offset,
410 GLsizeiptr length);
411 void GLAPIENTRY
412 _mesa_FlushMappedNamedBufferRange(GLuint buffer, GLintptr offset,
413 GLsizeiptr length);
414
415 void GLAPIENTRY
416 _mesa_FlushMappedNamedBufferRangeEXT(GLuint buffer, GLintptr offset,
417 GLsizeiptr length);
418
419 void GLAPIENTRY
420 _mesa_BindBufferRange_no_error(GLenum target, GLuint index, GLuint buffer,
421 GLintptr offset, GLsizeiptr size);
422 void GLAPIENTRY
423 _mesa_BindBufferRange(GLenum target, GLuint index,
424 GLuint buffer, GLintptr offset, GLsizeiptr size);
425
426 void GLAPIENTRY
427 _mesa_BindBufferBase(GLenum target, GLuint index, GLuint buffer);
428
429 void GLAPIENTRY
430 _mesa_BindBuffersRange(GLenum target, GLuint first, GLsizei count,
431 const GLuint *buffers,
432 const GLintptr *offsets, const GLsizeiptr *sizes);
433 void GLAPIENTRY
434 _mesa_BindBuffersBase(GLenum target, GLuint first, GLsizei count,
435 const GLuint *buffers);
436
437 void GLAPIENTRY
438 _mesa_InvalidateBufferSubData_no_error(GLuint buffer, GLintptr offset,
439 GLsizeiptr length);
440
441 void GLAPIENTRY
442 _mesa_InvalidateBufferSubData(GLuint buffer, GLintptr offset,
443 GLsizeiptr length);
444
445 void GLAPIENTRY
446 _mesa_InvalidateBufferData_no_error(GLuint buffer);
447
448 void GLAPIENTRY
449 _mesa_InvalidateBufferData(GLuint buffer);
450
451 void GLAPIENTRY
452 _mesa_BufferPageCommitmentARB(GLenum target, GLintptr offset, GLsizeiptr size,
453 GLboolean commit);
454
455 void GLAPIENTRY
456 _mesa_NamedBufferPageCommitmentARB(GLuint buffer, GLintptr offset,
457 GLsizeiptr size, GLboolean commit);
458
459 void GLAPIENTRY
460 _mesa_NamedBufferPageCommitmentEXT(GLuint buffer, GLintptr offset,
461 GLsizeiptr size, GLboolean commit);
462
463 #endif
464