2 * Copyright 2014, 2015 Red Hat.
4 * Permission is hereby granted, free of charge, to any person obtaining a
5 * copy of this software and associated documentation files (the "Software"),
6 * to deal in the Software without restriction, including without limitation
7 * on the rights to use, copy, modify, merge, publish, distribute, sub
8 * license, and/or sell copies of the Software, and to permit persons to whom
9 * the Software is furnished to do so, subject to the following conditions:
11 * The above copyright notice and this permission notice (including the next
12 * paragraph) shall be included in all copies or substantial portions of the
15 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
16 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
17 * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL
18 * THE AUTHOR(S) AND/OR THEIR SUPPLIERS BE LIABLE FOR ANY CLAIM,
19 * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
20 * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
21 * USE OR OTHER DEALINGS IN THE SOFTWARE.
24 #include "util/u_memory.h"
25 #include "util/u_inlines.h"
26 #include "virgl_context.h"
27 #include "virgl_encode.h"
28 #include "virgl_protocol.h"
29 #include "virgl_resource.h"
33 struct virgl_resource
*buf
;
38 unsigned result_gotten_sent
;
41 static inline struct virgl_query
*virgl_query(struct pipe_query
*q
)
43 return (struct virgl_query
*)q
;
46 static void virgl_render_condition(struct pipe_context
*ctx
,
51 struct virgl_context
*vctx
= virgl_context(ctx
);
52 struct virgl_query
*query
= virgl_query(q
);
55 handle
= query
->handle
;
56 virgl_encoder_render_condition(vctx
, handle
, condition
, mode
);
59 static struct pipe_query
*virgl_create_query(struct pipe_context
*ctx
,
60 unsigned query_type
, unsigned index
)
62 struct virgl_context
*vctx
= virgl_context(ctx
);
63 struct virgl_query
*query
;
66 query
= CALLOC_STRUCT(virgl_query
);
70 query
->buf
= (struct virgl_resource
*)pipe_buffer_create(ctx
->screen
, PIPE_BIND_CUSTOM
,
71 PIPE_USAGE_STAGING
, sizeof(struct virgl_host_query_state
));
77 handle
= virgl_object_assign_handle();
78 query
->type
= query_type
;
80 query
->handle
= handle
;
81 query
->buf
->clean
= FALSE
;
82 virgl_encoder_create_query(vctx
, handle
, query_type
, index
, query
->buf
, 0);
84 return (struct pipe_query
*)query
;
87 static void virgl_destroy_query(struct pipe_context
*ctx
,
90 struct virgl_context
*vctx
= virgl_context(ctx
);
91 struct virgl_query
*query
= virgl_query(q
);
93 virgl_encode_delete_object(vctx
, query
->handle
, VIRGL_OBJECT_QUERY
);
95 pipe_resource_reference((struct pipe_resource
**)&query
->buf
, NULL
);
99 static boolean
virgl_begin_query(struct pipe_context
*ctx
,
100 struct pipe_query
*q
)
102 struct virgl_context
*vctx
= virgl_context(ctx
);
103 struct virgl_query
*query
= virgl_query(q
);
105 query
->buf
->clean
= FALSE
;
106 virgl_encoder_begin_query(vctx
, query
->handle
);
110 static bool virgl_end_query(struct pipe_context
*ctx
,
111 struct pipe_query
*q
)
113 struct virgl_context
*vctx
= virgl_context(ctx
);
114 struct virgl_query
*query
= virgl_query(q
);
117 uint32_t qs
= VIRGL_QUERY_STATE_WAIT_HOST
;
118 u_box_1d(0, 4, &box
);
119 virgl_transfer_inline_write(ctx
, &query
->buf
->u
.b
, 0, PIPE_TRANSFER_WRITE
,
123 virgl_encoder_end_query(vctx
, query
->handle
);
127 static boolean
virgl_get_query_result(struct pipe_context
*ctx
,
128 struct pipe_query
*q
,
130 union pipe_query_result
*result
)
132 struct virgl_context
*vctx
= virgl_context(ctx
);
133 struct virgl_query
*query
= virgl_query(q
);
134 struct pipe_transfer
*transfer
;
135 struct virgl_host_query_state
*host_state
;
137 /* ask host for query result */
138 if (!query
->result_gotten_sent
) {
139 query
->result_gotten_sent
= 1;
140 virgl_encoder_get_query_result(vctx
, query
->handle
, 0);
141 ctx
->flush(ctx
, NULL
, 0);
144 /* do we have to flush? */
145 /* now we can do the transfer to get the result back? */
147 host_state
= pipe_buffer_map(ctx
, &query
->buf
->u
.b
,
148 PIPE_TRANSFER_READ
, &transfer
);
150 if (host_state
->query_state
!= VIRGL_QUERY_STATE_DONE
) {
151 pipe_buffer_unmap(ctx
, transfer
);
158 if (query
->type
== PIPE_QUERY_TIMESTAMP
|| query
->type
== PIPE_QUERY_TIME_ELAPSED
)
159 result
->u64
= host_state
->result
;
161 result
->u64
= (uint32_t)host_state
->result
;
163 pipe_buffer_unmap(ctx
, transfer
);
164 query
->result_gotten_sent
= 0;
169 virgl_set_active_query_state(struct pipe_context
*pipe
, boolean enable
)
173 void virgl_init_query_functions(struct virgl_context
*vctx
)
175 vctx
->base
.render_condition
= virgl_render_condition
;
176 vctx
->base
.create_query
= virgl_create_query
;
177 vctx
->base
.destroy_query
= virgl_destroy_query
;
178 vctx
->base
.begin_query
= virgl_begin_query
;
179 vctx
->base
.end_query
= virgl_end_query
;
180 vctx
->base
.get_query_result
= virgl_get_query_result
;
181 vctx
->base
.set_active_query_state
= virgl_set_active_query_state
;