r300_query.c revision d559796d6f13579ecf921a63d9f0c6c6342dc230 
1/*
2 * Copyright 2009 Corbin Simpson <MostAwesomeDude@gmail.com>
3 *
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:
10 *
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
13 * Software.
14 *
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. */
22
23#include "r300_query.h"
24
25static struct pipe_query* r300_create_query(struct pipe_context* pipe,
26                                            unsigned query_type)
27{
28    struct r300_query* q = CALLOC_STRUCT(r300_query);
29
30    q->type = query_type;
31    assert(q->type == PIPE_QUERY_OCCLUSION_COUNTER);
32
33    return (struct pipe_query*)q;
34}
35
36static void r300_destroy_query(struct pipe_context* pipe,
37                               struct pipe_query* q)
38{
39    FREE(q);
40}
41
42static void r300_begin_query(struct pipe_context* pipe,
43                             struct pipe_query* q)
44{
45    struct r300_context* r300 = r300_context(pipe);
46    CS_LOCALS(r300);
47
48    BEGIN_CS(2);
49    OUT_CS_REG(R300_ZB_ZPASS_DATA, 0);
50    END_CS;
51}
52
53static void r300_end_query(struct pipe_context* pipe,
54                           struct pipe_query* q)
55{
56    struct r300_context* r300 = r300_context(pipe);
57}
58
59static boolean r300_get_query_result(struct pipe_context* pipe,
60                                     struct pipe_query* q,
61                                     boolean wait,
62                                     uint64_t* result)
63{
64    *result = 0;
65    return TRUE;
66}
67
68void r300_init_query_functions(struct r300_context* r300) {
69    r300->context.create_query = r300_create_query;
70    r300->context.destroy_query = r300_destroy_query;
71    r300->context.begin_query = r300_begin_query;
72    r300->context.end_query = r300_end_query;
73    r300->context.get_query_result = r300_get_query_result;
74}
75