1 /**************************************************************************
3 * Copyright 2007 VMware, Inc.
6 * Permission is hereby granted, free of charge, to any person obtaining a
7 * copy of this software and associated documentation files (the
8 * "Software"), to deal in the Software without restriction, including
9 * without limitation the rights to use, copy, modify, merge, publish,
10 * distribute, sub license, and/or sell copies of the Software, and to
11 * permit persons to whom the Software is furnished to do so, subject to
12 * the following conditions:
14 * The above copyright notice and this permission notice (including the
15 * next paragraph) shall be included in all copies or substantial portions
18 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
19 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
20 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
21 * IN NO EVENT SHALL VMWARE AND/OR ITS SUPPLIERS BE LIABLE FOR
22 * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
23 * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
24 * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
26 **************************************************************************/
30 * glBegin/EndQuery interface to pipe
36 #include "main/imports.h"
37 #include "main/context.h"
39 #include "pipe/p_context.h"
40 #include "pipe/p_defines.h"
41 #include "pipe/p_screen.h"
42 #include "util/u_inlines.h"
43 #include "st_context.h"
44 #include "st_cb_queryobj.h"
45 #include "st_cb_bitmap.h"
46 #include "st_cb_bufferobjects.h"
49 static struct gl_query_object
*
50 st_NewQueryObject(struct gl_context
*ctx
, GLuint id
)
52 struct st_query_object
*stq
= ST_CALLOC_STRUCT(st_query_object
);
55 stq
->base
.Ready
= GL_TRUE
;
57 stq
->type
= PIPE_QUERY_TYPES
; /* an invalid value */
65 free_queries(struct pipe_context
*pipe
, struct st_query_object
*stq
)
68 pipe
->destroy_query(pipe
, stq
->pq
);
73 pipe
->destroy_query(pipe
, stq
->pq_begin
);
80 st_DeleteQuery(struct gl_context
*ctx
, struct gl_query_object
*q
)
82 struct pipe_context
*pipe
= st_context(ctx
)->pipe
;
83 struct st_query_object
*stq
= st_query_object(q
);
85 free_queries(pipe
, stq
);
92 st_BeginQuery(struct gl_context
*ctx
, struct gl_query_object
*q
)
94 struct st_context
*st
= st_context(ctx
);
95 struct pipe_context
*pipe
= st
->pipe
;
96 struct st_query_object
*stq
= st_query_object(q
);
100 st_flush_bitmap_cache(st_context(ctx
));
102 /* convert GL query type to Gallium query type */
104 case GL_ANY_SAMPLES_PASSED
:
105 case GL_ANY_SAMPLES_PASSED_CONSERVATIVE
:
106 type
= PIPE_QUERY_OCCLUSION_PREDICATE
;
108 case GL_SAMPLES_PASSED_ARB
:
109 type
= PIPE_QUERY_OCCLUSION_COUNTER
;
111 case GL_PRIMITIVES_GENERATED
:
112 type
= PIPE_QUERY_PRIMITIVES_GENERATED
;
114 case GL_TRANSFORM_FEEDBACK_PRIMITIVES_WRITTEN
:
115 type
= PIPE_QUERY_PRIMITIVES_EMITTED
;
117 case GL_TRANSFORM_FEEDBACK_STREAM_OVERFLOW_ARB
:
118 type
= PIPE_QUERY_SO_OVERFLOW_PREDICATE
;
120 case GL_TRANSFORM_FEEDBACK_OVERFLOW_ARB
:
121 type
= PIPE_QUERY_SO_OVERFLOW_ANY_PREDICATE
;
123 case GL_TIME_ELAPSED
:
124 if (st
->has_time_elapsed
)
125 type
= PIPE_QUERY_TIME_ELAPSED
;
127 type
= PIPE_QUERY_TIMESTAMP
;
129 case GL_VERTICES_SUBMITTED_ARB
:
130 case GL_PRIMITIVES_SUBMITTED_ARB
:
131 case GL_VERTEX_SHADER_INVOCATIONS_ARB
:
132 case GL_TESS_CONTROL_SHADER_PATCHES_ARB
:
133 case GL_TESS_EVALUATION_SHADER_INVOCATIONS_ARB
:
134 case GL_GEOMETRY_SHADER_INVOCATIONS
:
135 case GL_GEOMETRY_SHADER_PRIMITIVES_EMITTED_ARB
:
136 case GL_FRAGMENT_SHADER_INVOCATIONS_ARB
:
137 case GL_COMPUTE_SHADER_INVOCATIONS_ARB
:
138 case GL_CLIPPING_INPUT_PRIMITIVES_ARB
:
139 case GL_CLIPPING_OUTPUT_PRIMITIVES_ARB
:
140 type
= PIPE_QUERY_PIPELINE_STATISTICS
;
143 assert(0 && "unexpected query target in st_BeginQuery()");
147 if (stq
->type
!= type
) {
148 /* free old query of different type */
149 free_queries(pipe
, stq
);
150 stq
->type
= PIPE_QUERY_TYPES
; /* an invalid value */
153 if (q
->Target
== GL_TIME_ELAPSED
&&
154 type
== PIPE_QUERY_TIMESTAMP
) {
155 /* Determine time elapsed by emitting two timestamp queries. */
156 if (!stq
->pq_begin
) {
157 stq
->pq_begin
= pipe
->create_query(pipe
, type
, 0);
161 ret
= pipe
->end_query(pipe
, stq
->pq_begin
);
164 stq
->pq
= pipe
->create_query(pipe
, type
, q
->Stream
);
168 ret
= pipe
->begin_query(pipe
, stq
->pq
);
172 _mesa_error(ctx
, GL_OUT_OF_MEMORY
, "glBeginQuery");
174 free_queries(pipe
, stq
);
175 q
->Active
= GL_FALSE
;
179 assert(stq
->type
== type
);
184 st_EndQuery(struct gl_context
*ctx
, struct gl_query_object
*q
)
186 struct pipe_context
*pipe
= st_context(ctx
)->pipe
;
187 struct st_query_object
*stq
= st_query_object(q
);
190 st_flush_bitmap_cache(st_context(ctx
));
192 if ((q
->Target
== GL_TIMESTAMP
||
193 q
->Target
== GL_TIME_ELAPSED
) &&
195 stq
->pq
= pipe
->create_query(pipe
, PIPE_QUERY_TIMESTAMP
, 0);
196 stq
->type
= PIPE_QUERY_TIMESTAMP
;
200 ret
= pipe
->end_query(pipe
, stq
->pq
);
203 _mesa_error(ctx
, GL_OUT_OF_MEMORY
, "glEndQuery");
210 get_query_result(struct pipe_context
*pipe
,
211 struct st_query_object
*stq
,
214 union pipe_query_result data
;
217 /* Only needed in case we failed to allocate the gallium query earlier.
218 * Return TRUE so we don't spin on this forever.
223 if (!pipe
->get_query_result(pipe
, stq
->pq
, wait
, &data
))
226 switch (stq
->base
.Target
) {
227 case GL_VERTICES_SUBMITTED_ARB
:
228 stq
->base
.Result
= data
.pipeline_statistics
.ia_vertices
;
230 case GL_PRIMITIVES_SUBMITTED_ARB
:
231 stq
->base
.Result
= data
.pipeline_statistics
.ia_primitives
;
233 case GL_VERTEX_SHADER_INVOCATIONS_ARB
:
234 stq
->base
.Result
= data
.pipeline_statistics
.vs_invocations
;
236 case GL_TESS_CONTROL_SHADER_PATCHES_ARB
:
237 stq
->base
.Result
= data
.pipeline_statistics
.hs_invocations
;
239 case GL_TESS_EVALUATION_SHADER_INVOCATIONS_ARB
:
240 stq
->base
.Result
= data
.pipeline_statistics
.ds_invocations
;
242 case GL_GEOMETRY_SHADER_INVOCATIONS
:
243 stq
->base
.Result
= data
.pipeline_statistics
.gs_invocations
;
245 case GL_GEOMETRY_SHADER_PRIMITIVES_EMITTED_ARB
:
246 stq
->base
.Result
= data
.pipeline_statistics
.gs_primitives
;
248 case GL_FRAGMENT_SHADER_INVOCATIONS_ARB
:
249 stq
->base
.Result
= data
.pipeline_statistics
.ps_invocations
;
251 case GL_COMPUTE_SHADER_INVOCATIONS_ARB
:
252 stq
->base
.Result
= data
.pipeline_statistics
.cs_invocations
;
254 case GL_CLIPPING_INPUT_PRIMITIVES_ARB
:
255 stq
->base
.Result
= data
.pipeline_statistics
.c_invocations
;
257 case GL_CLIPPING_OUTPUT_PRIMITIVES_ARB
:
258 stq
->base
.Result
= data
.pipeline_statistics
.c_primitives
;
262 case PIPE_QUERY_OCCLUSION_PREDICATE
:
263 case PIPE_QUERY_SO_OVERFLOW_PREDICATE
:
264 case PIPE_QUERY_SO_OVERFLOW_ANY_PREDICATE
:
265 stq
->base
.Result
= !!data
.b
;
268 stq
->base
.Result
= data
.u64
;
274 if (stq
->base
.Target
== GL_TIME_ELAPSED
&&
275 stq
->type
== PIPE_QUERY_TIMESTAMP
) {
276 /* Calculate the elapsed time from the two timestamp queries */
277 GLuint64EXT Result0
= 0;
278 assert(stq
->pq_begin
);
279 pipe
->get_query_result(pipe
, stq
->pq_begin
, TRUE
, (void *)&Result0
);
280 stq
->base
.Result
-= Result0
;
282 assert(!stq
->pq_begin
);
290 st_WaitQuery(struct gl_context
*ctx
, struct gl_query_object
*q
)
292 struct pipe_context
*pipe
= st_context(ctx
)->pipe
;
293 struct st_query_object
*stq
= st_query_object(q
);
295 /* this function should only be called if we don't have a ready result */
296 assert(!stq
->base
.Ready
);
298 while (!stq
->base
.Ready
&&
299 !get_query_result(pipe
, stq
, TRUE
))
309 st_CheckQuery(struct gl_context
*ctx
, struct gl_query_object
*q
)
311 struct pipe_context
*pipe
= st_context(ctx
)->pipe
;
312 struct st_query_object
*stq
= st_query_object(q
);
313 assert(!q
->Ready
); /* we should not get called if Ready is TRUE */
314 q
->Ready
= get_query_result(pipe
, stq
, FALSE
);
319 st_GetTimestamp(struct gl_context
*ctx
)
321 struct pipe_context
*pipe
= st_context(ctx
)->pipe
;
322 struct pipe_screen
*screen
= pipe
->screen
;
324 /* Prefer the per-screen function */
325 if (screen
->get_timestamp
) {
326 return screen
->get_timestamp(screen
);
329 /* Fall back to the per-context function */
330 assert(pipe
->get_timestamp
);
331 return pipe
->get_timestamp(pipe
);
336 st_StoreQueryResult(struct gl_context
*ctx
, struct gl_query_object
*q
,
337 struct gl_buffer_object
*buf
, intptr_t offset
,
338 GLenum pname
, GLenum ptype
)
340 struct pipe_context
*pipe
= st_context(ctx
)->pipe
;
341 struct st_query_object
*stq
= st_query_object(q
);
342 struct st_buffer_object
*stObj
= st_buffer_object(buf
);
343 boolean wait
= pname
== GL_QUERY_RESULT
;
344 enum pipe_query_value_type result_type
;
347 /* GL_QUERY_TARGET is a bit of an extension since it has nothing to
348 * do with the GPU end of the query. Write it in "by hand".
350 if (pname
== GL_QUERY_TARGET
) {
351 /* Assume that the data must be LE. The endianness situation wrt CPU and
352 * GPU is incredibly confusing, but the vast majority of GPUs are
353 * LE. When a BE one comes along, this needs some form of resolution.
355 unsigned data
[2] = { CPU_TO_LE32(q
->Target
), 0 };
356 pipe_buffer_write(pipe
, stObj
->buffer
, offset
,
357 (ptype
== GL_INT64_ARB
||
358 ptype
== GL_UNSIGNED_INT64_ARB
) ? 8 : 4,
365 result_type
= PIPE_QUERY_TYPE_I32
;
367 case GL_UNSIGNED_INT
:
368 result_type
= PIPE_QUERY_TYPE_U32
;
371 result_type
= PIPE_QUERY_TYPE_I64
;
373 case GL_UNSIGNED_INT64_ARB
:
374 result_type
= PIPE_QUERY_TYPE_U64
;
377 unreachable("Unexpected result type");
380 if (pname
== GL_QUERY_RESULT_AVAILABLE
) {
382 } else if (stq
->type
== PIPE_QUERY_PIPELINE_STATISTICS
) {
384 case GL_VERTICES_SUBMITTED_ARB
:
387 case GL_PRIMITIVES_SUBMITTED_ARB
:
390 case GL_VERTEX_SHADER_INVOCATIONS_ARB
:
393 case GL_GEOMETRY_SHADER_INVOCATIONS
:
396 case GL_GEOMETRY_SHADER_PRIMITIVES_EMITTED_ARB
:
399 case GL_CLIPPING_INPUT_PRIMITIVES_ARB
:
402 case GL_CLIPPING_OUTPUT_PRIMITIVES_ARB
:
405 case GL_FRAGMENT_SHADER_INVOCATIONS_ARB
:
408 case GL_TESS_CONTROL_SHADER_PATCHES_ARB
:
411 case GL_TESS_EVALUATION_SHADER_INVOCATIONS_ARB
:
414 case GL_COMPUTE_SHADER_INVOCATIONS_ARB
:
418 unreachable("Unexpected target");
424 pipe
->get_query_result_resource(pipe
, stq
->pq
, wait
, result_type
, index
,
425 stObj
->buffer
, offset
);
428 void st_init_query_functions(struct dd_function_table
*functions
)
430 functions
->NewQueryObject
= st_NewQueryObject
;
431 functions
->DeleteQuery
= st_DeleteQuery
;
432 functions
->BeginQuery
= st_BeginQuery
;
433 functions
->EndQuery
= st_EndQuery
;
434 functions
->WaitQuery
= st_WaitQuery
;
435 functions
->CheckQuery
= st_CheckQuery
;
436 functions
->GetTimestamp
= st_GetTimestamp
;
437 functions
->StoreQueryResult
= st_StoreQueryResult
;