2 * Mesa 3-D graphics library
5 * Copyright (C) 1999-2007 Brian Paul All Rights Reserved.
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:
14 * The above copyright notice and this permission notice shall be included
15 * in all copies or substantial portions of the Software.
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 * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
21 * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
22 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
32 #include "mfeatures.h"
34 #include "main/dispatch.h"
41 * Allocate a new query object. This is a fallback routine called via
42 * ctx->Driver.NewQueryObject().
43 * \param ctx - rendering context
44 * \param id - the new object's ID
45 * \return pointer to new query_object object or NULL if out of memory.
47 static struct gl_query_object
*
48 _mesa_new_query_object(struct gl_context
*ctx
, GLuint id
)
50 struct gl_query_object
*q
= MALLOC_STRUCT(gl_query_object
);
56 q
->Ready
= GL_TRUE
; /* correct, see spec */
63 * Begin a query. Software driver fallback.
64 * Called via ctx->Driver.BeginQuery().
67 _mesa_begin_query(struct gl_context
*ctx
, struct gl_query_object
*q
)
74 * End a query. Software driver fallback.
75 * Called via ctx->Driver.EndQuery().
78 _mesa_end_query(struct gl_context
*ctx
, struct gl_query_object
*q
)
85 * Wait for query to complete. Software driver fallback.
86 * Called via ctx->Driver.WaitQuery().
89 _mesa_wait_query(struct gl_context
*ctx
, struct gl_query_object
*q
)
91 /* For software drivers, _mesa_end_query() should have completed the query.
92 * For real hardware, implement a proper WaitQuery() driver function,
93 * which may require issuing a flush.
100 * Check if a query results are ready. Software driver fallback.
101 * Called via ctx->Driver.CheckQuery().
104 _mesa_check_query(struct gl_context
*ctx
, struct gl_query_object
*q
)
106 /* No-op for sw rendering.
107 * HW drivers may need to flush at this time.
113 * Delete a query object. Called via ctx->Driver.DeleteQuery().
114 * Not removed from hash table here.
117 _mesa_delete_query(struct gl_context
*ctx
, struct gl_query_object
*q
)
124 _mesa_init_query_object_functions(struct dd_function_table
*driver
)
126 driver
->NewQueryObject
= _mesa_new_query_object
;
127 driver
->DeleteQuery
= _mesa_delete_query
;
128 driver
->BeginQuery
= _mesa_begin_query
;
129 driver
->EndQuery
= _mesa_end_query
;
130 driver
->WaitQuery
= _mesa_wait_query
;
131 driver
->CheckQuery
= _mesa_check_query
;
136 * Return pointer to the query object binding point for the given target.
137 * \return NULL if invalid target, else the address of binding point
139 static struct gl_query_object
**
140 get_query_binding_point(struct gl_context
*ctx
, GLenum target
)
143 case GL_SAMPLES_PASSED_ARB
:
144 if (ctx
->Extensions
.ARB_occlusion_query
)
145 return &ctx
->Query
.CurrentOcclusionObject
;
148 case GL_ANY_SAMPLES_PASSED
:
149 if (ctx
->Extensions
.ARB_occlusion_query2
)
150 return &ctx
->Query
.CurrentOcclusionObject
;
153 case GL_TIME_ELAPSED_EXT
:
154 if (ctx
->Extensions
.EXT_timer_query
)
155 return &ctx
->Query
.CurrentTimerObject
;
158 #if FEATURE_EXT_transform_feedback
159 case GL_PRIMITIVES_GENERATED
:
160 if (ctx
->Extensions
.EXT_transform_feedback
)
161 return &ctx
->Query
.PrimitivesGenerated
;
164 case GL_TRANSFORM_FEEDBACK_PRIMITIVES_WRITTEN
:
165 if (ctx
->Extensions
.EXT_transform_feedback
)
166 return &ctx
->Query
.PrimitivesWritten
;
176 static void GLAPIENTRY
177 _mesa_GenQueriesARB(GLsizei n
, GLuint
*ids
)
180 GET_CURRENT_CONTEXT(ctx
);
181 ASSERT_OUTSIDE_BEGIN_END(ctx
);
183 if (MESA_VERBOSE
& VERBOSE_API
)
184 _mesa_debug(ctx
, "glGenQueries(%d)\n", n
);
187 _mesa_error(ctx
, GL_INVALID_VALUE
, "glGenQueriesARB(n < 0)");
191 /* No query objects can be active at this time! */
192 if (ctx
->Query
.CurrentOcclusionObject
||
193 ctx
->Query
.CurrentTimerObject
) {
194 _mesa_error(ctx
, GL_INVALID_OPERATION
, "glGenQueriesARB");
198 first
= _mesa_HashFindFreeKeyBlock(ctx
->Query
.QueryObjects
, n
);
201 for (i
= 0; i
< n
; i
++) {
202 struct gl_query_object
*q
203 = ctx
->Driver
.NewQueryObject(ctx
, first
+ i
);
205 _mesa_error(ctx
, GL_OUT_OF_MEMORY
, "glGenQueriesARB");
209 _mesa_HashInsert(ctx
->Query
.QueryObjects
, first
+ i
, q
);
215 static void GLAPIENTRY
216 _mesa_DeleteQueriesARB(GLsizei n
, const GLuint
*ids
)
219 GET_CURRENT_CONTEXT(ctx
);
220 ASSERT_OUTSIDE_BEGIN_END(ctx
);
221 FLUSH_VERTICES(ctx
, 0);
223 if (MESA_VERBOSE
& VERBOSE_API
)
224 _mesa_debug(ctx
, "glDeleeteQueries(%d)\n", n
);
227 _mesa_error(ctx
, GL_INVALID_VALUE
, "glDeleteQueriesARB(n < 0)");
231 /* No query objects can be active at this time! */
232 if (ctx
->Query
.CurrentOcclusionObject
||
233 ctx
->Query
.CurrentTimerObject
) {
234 _mesa_error(ctx
, GL_INVALID_OPERATION
, "glDeleteQueriesARB");
238 for (i
= 0; i
< n
; i
++) {
240 struct gl_query_object
*q
= _mesa_lookup_query_object(ctx
, ids
[i
]);
242 ASSERT(!q
->Active
); /* should be caught earlier */
243 _mesa_HashRemove(ctx
->Query
.QueryObjects
, ids
[i
]);
244 ctx
->Driver
.DeleteQuery(ctx
, q
);
251 static GLboolean GLAPIENTRY
252 _mesa_IsQueryARB(GLuint id
)
254 GET_CURRENT_CONTEXT(ctx
);
255 ASSERT_OUTSIDE_BEGIN_END_WITH_RETVAL(ctx
, GL_FALSE
);
257 if (MESA_VERBOSE
& VERBOSE_API
)
258 _mesa_debug(ctx
, "glIsQuery(%u)\n", id
);
260 if (id
&& _mesa_lookup_query_object(ctx
, id
))
267 static void GLAPIENTRY
268 _mesa_BeginQueryARB(GLenum target
, GLuint id
)
270 struct gl_query_object
*q
, **bindpt
;
271 GET_CURRENT_CONTEXT(ctx
);
272 ASSERT_OUTSIDE_BEGIN_END(ctx
);
274 if (MESA_VERBOSE
& VERBOSE_API
)
275 _mesa_debug(ctx
, "glBeginQuery(%s, %u)\n",
276 _mesa_lookup_enum_by_nr(target
), id
);
278 FLUSH_VERTICES(ctx
, _NEW_DEPTH
);
280 bindpt
= get_query_binding_point(ctx
, target
);
282 _mesa_error(ctx
, GL_INVALID_ENUM
, "glBeginQueryARB(target)");
287 _mesa_error(ctx
, GL_INVALID_OPERATION
, "glBeginQueryARB(id==0)");
291 q
= _mesa_lookup_query_object(ctx
, id
);
293 /* create new object */
294 q
= ctx
->Driver
.NewQueryObject(ctx
, id
);
296 _mesa_error(ctx
, GL_OUT_OF_MEMORY
, "glBeginQueryARB");
299 _mesa_HashInsert(ctx
->Query
.QueryObjects
, id
, q
);
302 /* pre-existing object */
304 _mesa_error(ctx
, GL_INVALID_OPERATION
,
305 "glBeginQueryARB(query already active)");
315 /* XXX should probably refcount query objects */
318 ctx
->Driver
.BeginQuery(ctx
, q
);
322 static void GLAPIENTRY
323 _mesa_EndQueryARB(GLenum target
)
325 struct gl_query_object
*q
, **bindpt
;
326 GET_CURRENT_CONTEXT(ctx
);
327 ASSERT_OUTSIDE_BEGIN_END(ctx
);
329 if (MESA_VERBOSE
& VERBOSE_API
)
330 _mesa_debug(ctx
, "glEndQuery(%s)\n", _mesa_lookup_enum_by_nr(target
));
332 FLUSH_VERTICES(ctx
, _NEW_DEPTH
);
334 bindpt
= get_query_binding_point(ctx
, target
);
336 _mesa_error(ctx
, GL_INVALID_ENUM
, "glEndQueryARB(target)");
340 /* XXX should probably refcount query objects */
344 if (!q
|| !q
->Active
) {
345 _mesa_error(ctx
, GL_INVALID_OPERATION
,
346 "glEndQueryARB(no matching glBeginQueryARB)");
350 q
->Active
= GL_FALSE
;
351 ctx
->Driver
.EndQuery(ctx
, q
);
355 static void GLAPIENTRY
356 _mesa_GetQueryivARB(GLenum target
, GLenum pname
, GLint
*params
)
358 struct gl_query_object
*q
, **bindpt
;
359 GET_CURRENT_CONTEXT(ctx
);
360 ASSERT_OUTSIDE_BEGIN_END(ctx
);
362 if (MESA_VERBOSE
& VERBOSE_API
)
363 _mesa_debug(ctx
, "glGetQueryiv(%s, %s)\n",
364 _mesa_lookup_enum_by_nr(target
),
365 _mesa_lookup_enum_by_nr(pname
));
367 bindpt
= get_query_binding_point(ctx
, target
);
369 _mesa_error(ctx
, GL_INVALID_ENUM
, "glGetQueryARB(target)");
376 case GL_QUERY_COUNTER_BITS_ARB
:
377 *params
= 8 * sizeof(q
->Result
);
379 case GL_CURRENT_QUERY_ARB
:
380 *params
= q
? q
->Id
: 0;
383 _mesa_error(ctx
, GL_INVALID_ENUM
, "glGetQueryivARB(pname)");
389 static void GLAPIENTRY
390 _mesa_GetQueryObjectivARB(GLuint id
, GLenum pname
, GLint
*params
)
392 struct gl_query_object
*q
= NULL
;
393 GET_CURRENT_CONTEXT(ctx
);
394 ASSERT_OUTSIDE_BEGIN_END(ctx
);
396 if (MESA_VERBOSE
& VERBOSE_API
)
397 _mesa_debug(ctx
, "glGetQueryObjectiv(%u, %s)\n", id
,
398 _mesa_lookup_enum_by_nr(pname
));
401 q
= _mesa_lookup_query_object(ctx
, id
);
403 if (!q
|| q
->Active
) {
404 _mesa_error(ctx
, GL_INVALID_OPERATION
,
405 "glGetQueryObjectivARB(id=%d is invalid or active)", id
);
410 case GL_QUERY_RESULT_ARB
:
412 ctx
->Driver
.WaitQuery(ctx
, q
);
413 /* if result is too large for returned type, clamp to max value */
414 if (q
->Target
== GL_ANY_SAMPLES_PASSED
) {
420 if (q
->Result
> 0x7fffffff) {
421 *params
= 0x7fffffff;
424 *params
= (GLint
)q
->Result
;
428 case GL_QUERY_RESULT_AVAILABLE_ARB
:
430 ctx
->Driver
.CheckQuery( ctx
, q
);
434 _mesa_error(ctx
, GL_INVALID_ENUM
, "glGetQueryObjectivARB(pname)");
440 static void GLAPIENTRY
441 _mesa_GetQueryObjectuivARB(GLuint id
, GLenum pname
, GLuint
*params
)
443 struct gl_query_object
*q
= NULL
;
444 GET_CURRENT_CONTEXT(ctx
);
445 ASSERT_OUTSIDE_BEGIN_END(ctx
);
447 if (MESA_VERBOSE
& VERBOSE_API
)
448 _mesa_debug(ctx
, "glGetQueryObjectuiv(%u, %s)\n", id
,
449 _mesa_lookup_enum_by_nr(pname
));
452 q
= _mesa_lookup_query_object(ctx
, id
);
454 if (!q
|| q
->Active
) {
455 _mesa_error(ctx
, GL_INVALID_OPERATION
,
456 "glGetQueryObjectuivARB(id=%d is invalid or active)", id
);
461 case GL_QUERY_RESULT_ARB
:
463 ctx
->Driver
.WaitQuery(ctx
, q
);
464 /* if result is too large for returned type, clamp to max value */
465 if (q
->Target
== GL_ANY_SAMPLES_PASSED
) {
471 if (q
->Result
> 0xffffffff) {
472 *params
= 0xffffffff;
475 *params
= (GLuint
)q
->Result
;
479 case GL_QUERY_RESULT_AVAILABLE_ARB
:
481 ctx
->Driver
.CheckQuery( ctx
, q
);
485 _mesa_error(ctx
, GL_INVALID_ENUM
, "glGetQueryObjectuivARB(pname)");
492 * New with GL_EXT_timer_query
494 static void GLAPIENTRY
495 _mesa_GetQueryObjecti64vEXT(GLuint id
, GLenum pname
, GLint64EXT
*params
)
497 struct gl_query_object
*q
= NULL
;
498 GET_CURRENT_CONTEXT(ctx
);
499 ASSERT_OUTSIDE_BEGIN_END(ctx
);
501 if (MESA_VERBOSE
& VERBOSE_API
)
502 _mesa_debug(ctx
, "glGetQueryObjecti64v(%u, %s)\n", id
,
503 _mesa_lookup_enum_by_nr(pname
));
506 q
= _mesa_lookup_query_object(ctx
, id
);
508 if (!q
|| q
->Active
) {
509 _mesa_error(ctx
, GL_INVALID_OPERATION
,
510 "glGetQueryObjectui64vARB(id=%d is invalid or active)", id
);
515 case GL_QUERY_RESULT_ARB
:
517 ctx
->Driver
.WaitQuery(ctx
, q
);
520 case GL_QUERY_RESULT_AVAILABLE_ARB
:
522 ctx
->Driver
.CheckQuery( ctx
, q
);
526 _mesa_error(ctx
, GL_INVALID_ENUM
, "glGetQueryObjecti64vARB(pname)");
533 * New with GL_EXT_timer_query
535 static void GLAPIENTRY
536 _mesa_GetQueryObjectui64vEXT(GLuint id
, GLenum pname
, GLuint64EXT
*params
)
538 struct gl_query_object
*q
= NULL
;
539 GET_CURRENT_CONTEXT(ctx
);
540 ASSERT_OUTSIDE_BEGIN_END(ctx
);
542 if (MESA_VERBOSE
& VERBOSE_API
)
543 _mesa_debug(ctx
, "glGetQueryObjectui64v(%u, %s)\n", id
,
544 _mesa_lookup_enum_by_nr(pname
));
547 q
= _mesa_lookup_query_object(ctx
, id
);
549 if (!q
|| q
->Active
) {
550 _mesa_error(ctx
, GL_INVALID_OPERATION
,
551 "glGetQueryObjectuui64vARB(id=%d is invalid or active)", id
);
556 case GL_QUERY_RESULT_ARB
:
558 ctx
->Driver
.WaitQuery(ctx
, q
);
561 case GL_QUERY_RESULT_AVAILABLE_ARB
:
563 ctx
->Driver
.CheckQuery( ctx
, q
);
567 _mesa_error(ctx
, GL_INVALID_ENUM
, "glGetQueryObjectui64vARB(pname)");
574 _mesa_init_queryobj_dispatch(struct _glapi_table
*disp
)
576 SET_GenQueriesARB(disp
, _mesa_GenQueriesARB
);
577 SET_DeleteQueriesARB(disp
, _mesa_DeleteQueriesARB
);
578 SET_IsQueryARB(disp
, _mesa_IsQueryARB
);
579 SET_BeginQueryARB(disp
, _mesa_BeginQueryARB
);
580 SET_EndQueryARB(disp
, _mesa_EndQueryARB
);
581 SET_GetQueryivARB(disp
, _mesa_GetQueryivARB
);
582 SET_GetQueryObjectivARB(disp
, _mesa_GetQueryObjectivARB
);
583 SET_GetQueryObjectuivARB(disp
, _mesa_GetQueryObjectuivARB
);
585 SET_GetQueryObjecti64vEXT(disp
, _mesa_GetQueryObjecti64vEXT
);
586 SET_GetQueryObjectui64vEXT(disp
, _mesa_GetQueryObjectui64vEXT
);
590 #endif /* FEATURE_queryobj */
594 * Allocate/init the context state related to query objects.
597 _mesa_init_queryobj(struct gl_context
*ctx
)
599 ctx
->Query
.QueryObjects
= _mesa_NewHashTable();
600 ctx
->Query
.CurrentOcclusionObject
= NULL
;
605 * Callback for deleting a query object. Called by _mesa_HashDeleteAll().
608 delete_queryobj_cb(GLuint id
, void *data
, void *userData
)
610 struct gl_query_object
*q
= (struct gl_query_object
*) data
;
611 struct gl_context
*ctx
= (struct gl_context
*)userData
;
612 ctx
->Driver
.DeleteQuery(ctx
, q
);
617 * Free the context state related to query objects.
620 _mesa_free_queryobj_data(struct gl_context
*ctx
)
622 _mesa_HashDeleteAll(ctx
->Query
.QueryObjects
, delete_queryobj_cb
, ctx
);
623 _mesa_DeleteHashTable(ctx
->Query
.QueryObjects
);