1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
|
/**************************************************************************
*
* Copyright 2007 Tungsten Graphics, Inc., Cedar Park, Texas.
* All Rights Reserved.
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the
* "Software"), to deal in the Software without restriction, including
* without limitation the rights to use, copy, modify, merge, publish,
* distribute, sub license, and/or sell copies of the Software, and to
* permit persons to whom the Software is furnished to do so, subject to
* the following conditions:
*
* The above copyright notice and this permission notice (including the
* next paragraph) shall be included in all copies or substantial portions
* of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
* IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR
* ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*
**************************************************************************/
/**
* glBegin/EndQuery interface to pipe
*
* \author Brian Paul
*/
#include "main/imports.h"
#include "main/context.h"
#include "main/image.h"
#include "pipe/p_context.h"
#include "pipe/p_defines.h"
#include "st_context.h"
#include "st_cb_queryobj.h"
static struct gl_query_object *
st_NewQueryObject(GLcontext *ctx, GLuint id)
{
struct st_query_object *stq = ST_CALLOC_STRUCT(st_query_object);
if (stq) {
stq->base.Id = id;
stq->base.Ready = GL_TRUE;
stq->pq = NULL;
return &stq->base;
}
return NULL;
}
static void
st_DeleteQuery(GLcontext *ctx, struct gl_query_object *q)
{
struct pipe_context *pipe = st_context(ctx)->pipe;
struct st_query_object *stq = st_query_object(q);
if (stq->pq) {
pipe->destroy_query(pipe, stq->pq);
stq->pq = NULL;
}
free(stq);
}
static void
st_BeginQuery(GLcontext *ctx, struct gl_query_object *q)
{
struct pipe_context *pipe = st_context(ctx)->pipe;
struct st_query_object *stq = st_query_object(q);
switch (q->Target) {
case GL_SAMPLES_PASSED_ARB:
if (!stq->pq)
stq->pq = pipe->create_query( pipe, PIPE_QUERY_OCCLUSION_COUNTER );
break;
default:
assert(0);
return;
}
pipe->begin_query(pipe, stq->pq);
}
static void
st_EndQuery(GLcontext *ctx, struct gl_query_object *q)
{
struct pipe_context *pipe = st_context(ctx)->pipe;
struct st_query_object *stq = st_query_object(q);
pipe->end_query(pipe, stq->pq);
}
static void
st_WaitQuery(GLcontext *ctx, struct gl_query_object *q)
{
struct pipe_context *pipe = st_context(ctx)->pipe;
struct st_query_object *stq = st_query_object(q);
/* this function should only be called if we don't have a ready result */
assert(!stq->base.Ready);
while (!stq->base.Ready &&
!pipe->get_query_result(pipe,
stq->pq,
TRUE,
&q->Result))
{
/* nothing */
}
q->Ready = GL_TRUE;
}
static void
st_CheckQuery(GLcontext *ctx, struct gl_query_object *q)
{
struct pipe_context *pipe = st_context(ctx)->pipe;
struct st_query_object *stq = st_query_object(q);
assert(!q->Ready); /* we should not get called if Ready is TRUE */
q->Ready = pipe->get_query_result(pipe, stq->pq, FALSE, &q->Result);
}
void st_init_query_functions(struct dd_function_table *functions)
{
functions->NewQueryObject = st_NewQueryObject;
functions->DeleteQuery = st_DeleteQuery;
functions->BeginQuery = st_BeginQuery;
functions->EndQuery = st_EndQuery;
functions->WaitQuery = st_WaitQuery;
functions->CheckQuery = st_CheckQuery;
}
|
