1 /**********************************************************
2 * Copyright 2008-2009 VMware, Inc. All rights reserved.
4 * Permission is hereby granted, free of charge, to any person
5 * obtaining a copy of this software and associated documentation
6 * files (the "Software"), to deal in the Software without
7 * restriction, including without limitation the rights to use, copy,
8 * modify, merge, publish, distribute, sublicense, and/or sell copies
9 * of the Software, and to permit persons to whom the Software is
10 * furnished to do so, subject to the following conditions:
12 * The above copyright notice and this permission notice shall be
13 * included in all copies or substantial portions of the Software.
15 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
16 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
17 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
18 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
19 * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
20 * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
21 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
24 **********************************************************/
26 #include "pipe/p_state.h"
27 #include "pipe/p_context.h"
28 #include "util/u_memory.h"
31 #include "svga_context.h"
32 #include "svga_screen.h"
33 #include "svga_resource_buffer.h"
34 #include "svga_winsys.h"
35 #include "svga_debug.h"
38 /* Fixme: want a public base class for all pipe structs, even if there
46 struct pipe_query base
;
47 unsigned type
; /**< PIPE_QUERY_x or SVGA_QUERY_x */
48 SVGA3dQueryType svga_type
; /**< SVGA3D_QUERYTYPE_x or unused */
50 /** For PIPE_QUERY_OCCLUSION_COUNTER / SVGA3D_QUERYTYPE_OCCLUSION */
51 struct svga_winsys_buffer
*hwbuf
;
52 volatile SVGA3dQueryResult
*queryResult
;
53 struct pipe_fence_handle
*fence
;
56 /***********************************************************************
57 * Inline conversion functions. These are better-typed than the
58 * macros used previously:
60 static INLINE
struct svga_query
*
61 svga_query( struct pipe_query
*q
)
63 return (struct svga_query
*)q
;
66 static boolean
svga_get_query_result(struct pipe_context
*pipe
,
69 union pipe_query_result
*result
);
71 static struct pipe_query
*svga_create_query( struct pipe_context
*pipe
,
74 struct svga_context
*svga
= svga_context( pipe
);
75 struct svga_screen
*svgascreen
= svga_screen(pipe
->screen
);
76 struct svga_winsys_screen
*sws
= svgascreen
->sws
;
77 struct svga_query
*sq
;
79 SVGA_DBG(DEBUG_QUERY
, "%s\n", __FUNCTION__
);
81 sq
= CALLOC_STRUCT(svga_query
);
86 case PIPE_QUERY_OCCLUSION_COUNTER
:
87 sq
->svga_type
= SVGA3D_QUERYTYPE_OCCLUSION
;
89 sq
->hwbuf
= svga_winsys_buffer_create(svga
, 1,
90 SVGA_BUFFER_USAGE_PINNED
,
91 sizeof *sq
->queryResult
);
95 sq
->queryResult
= (SVGA3dQueryResult
*)
96 sws
->buffer_map(sws
, sq
->hwbuf
, PIPE_TRANSFER_WRITE
);
100 sq
->queryResult
->totalSize
= sizeof *sq
->queryResult
;
101 sq
->queryResult
->state
= SVGA3D_QUERYSTATE_NEW
;
103 /* We request the buffer to be pinned and assume it is always mapped.
104 * The reason is that we don't want to wait for fences when checking the
107 sws
->buffer_unmap(sws
, sq
->hwbuf
);
110 assert(!"unexpected query type in svga_create_query()");
113 sq
->type
= query_type
;
118 sws
->buffer_destroy(sws
, sq
->hwbuf
);
125 static void svga_destroy_query(struct pipe_context
*pipe
,
126 struct pipe_query
*q
)
128 struct svga_screen
*svgascreen
= svga_screen(pipe
->screen
);
129 struct svga_winsys_screen
*sws
= svgascreen
->sws
;
130 struct svga_query
*sq
= svga_query( q
);
132 SVGA_DBG(DEBUG_QUERY
, "%s\n", __FUNCTION__
);
135 case PIPE_QUERY_OCCLUSION_COUNTER
:
136 sws
->buffer_destroy(sws
, sq
->hwbuf
);
137 sws
->fence_reference(sws
, &sq
->fence
, NULL
);
140 assert(!"svga: unexpected query type in svga_destroy_query()");
146 static void svga_begin_query(struct pipe_context
*pipe
,
147 struct pipe_query
*q
)
149 struct svga_screen
*svgascreen
= svga_screen(pipe
->screen
);
150 struct svga_winsys_screen
*sws
= svgascreen
->sws
;
151 struct svga_context
*svga
= svga_context( pipe
);
152 struct svga_query
*sq
= svga_query( q
);
155 SVGA_DBG(DEBUG_QUERY
, "%s\n", __FUNCTION__
);
157 /* Need to flush out buffered drawing commands so that they don't
158 * get counted in the query results.
160 svga_hwtnl_flush_retry(svga
);
163 case PIPE_QUERY_OCCLUSION_COUNTER
:
165 if (sq
->queryResult
->state
== SVGA3D_QUERYSTATE_PENDING
) {
166 /* The application doesn't care for the pending query result. We cannot
167 * let go the existing buffer and just get a new one because its storage
168 * may be reused for other purposes and clobbered by the host when it
169 * determines the query result. So the only option here is to wait for
170 * the existing query's result -- not a big deal, given that no sane
171 * application would do this.
174 svga_get_query_result(pipe
, q
, TRUE
, (void*)&result
);
175 assert(sq
->queryResult
->state
!= SVGA3D_QUERYSTATE_PENDING
);
178 sq
->queryResult
->state
= SVGA3D_QUERYSTATE_NEW
;
179 sws
->fence_reference(sws
, &sq
->fence
, NULL
);
181 ret
= SVGA3D_BeginQuery(svga
->swc
, sq
->svga_type
);
182 if (ret
!= PIPE_OK
) {
183 svga_context_flush(svga
, NULL
);
184 ret
= SVGA3D_BeginQuery(svga
->swc
, sq
->svga_type
);
185 assert(ret
== PIPE_OK
);
191 assert(!"unexpected query type in svga_begin_query()");
195 static void svga_end_query(struct pipe_context
*pipe
,
196 struct pipe_query
*q
)
198 struct svga_context
*svga
= svga_context( pipe
);
199 struct svga_query
*sq
= svga_query( q
);
202 SVGA_DBG(DEBUG_QUERY
, "%s\n", __FUNCTION__
);
204 svga_hwtnl_flush_retry(svga
);
207 case PIPE_QUERY_OCCLUSION_COUNTER
:
208 assert(svga
->sq
== sq
);
210 /* Set to PENDING before sending EndQuery. */
211 sq
->queryResult
->state
= SVGA3D_QUERYSTATE_PENDING
;
213 ret
= SVGA3D_EndQuery( svga
->swc
, sq
->svga_type
, sq
->hwbuf
);
214 if (ret
!= PIPE_OK
) {
215 svga_context_flush(svga
, NULL
);
216 ret
= SVGA3D_EndQuery( svga
->swc
, sq
->svga_type
, sq
->hwbuf
);
217 assert(ret
== PIPE_OK
);
220 /* TODO: Delay flushing. We don't really need to flush here, just ensure
221 * that there is one flush before svga_get_query_result attempts to get the
223 svga_context_flush(svga
, NULL
);
228 assert(!"unexpected query type in svga_end_query()");
232 static boolean
svga_get_query_result(struct pipe_context
*pipe
,
233 struct pipe_query
*q
,
235 union pipe_query_result
*vresult
)
237 struct svga_context
*svga
= svga_context( pipe
);
238 struct svga_screen
*svgascreen
= svga_screen( pipe
->screen
);
239 struct svga_winsys_screen
*sws
= svgascreen
->sws
;
240 struct svga_query
*sq
= svga_query( q
);
241 SVGA3dQueryState state
;
242 uint64_t *result
= (uint64_t*)vresult
;
244 SVGA_DBG(DEBUG_QUERY
, "%s wait: %d\n", __FUNCTION__
);
247 case PIPE_QUERY_OCCLUSION_COUNTER
:
248 /* The query status won't be updated by the host unless
249 * SVGA_3D_CMD_WAIT_FOR_QUERY is emitted. Unfortunately this will cause a
250 * synchronous wait on the host.
255 ret
= SVGA3D_WaitForQuery( svga
->swc
, sq
->svga_type
, sq
->hwbuf
);
256 if (ret
!= PIPE_OK
) {
257 svga_context_flush(svga
, NULL
);
258 ret
= SVGA3D_WaitForQuery( svga
->swc
, sq
->svga_type
, sq
->hwbuf
);
259 assert(ret
== PIPE_OK
);
262 svga_context_flush(svga
, &sq
->fence
);
267 state
= sq
->queryResult
->state
;
268 if (state
== SVGA3D_QUERYSTATE_PENDING
) {
271 sws
->fence_finish(sws
, sq
->fence
, SVGA_FENCE_FLAG_QUERY
);
272 state
= sq
->queryResult
->state
;
275 assert(state
== SVGA3D_QUERYSTATE_SUCCEEDED
||
276 state
== SVGA3D_QUERYSTATE_FAILED
);
278 *result
= (uint64_t)sq
->queryResult
->result32
;
281 assert(!"unexpected query type in svga_get_query_result");
284 SVGA_DBG(DEBUG_QUERY
, "%s result %d\n", __FUNCTION__
, (unsigned)*result
);
291 void svga_init_query_functions( struct svga_context
*svga
)
293 svga
->pipe
.create_query
= svga_create_query
;
294 svga
->pipe
.destroy_query
= svga_destroy_query
;
295 svga
->pipe
.begin_query
= svga_begin_query
;
296 svga
->pipe
.end_query
= svga_end_query
;
297 svga
->pipe
.get_query_result
= svga_get_query_result
;