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
|
/**************************************************************************
*
* 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.
*
**************************************************************************/
/*
* Authors:
* Zack Rusin <zack@tungstengraphics.com>
*/
#include "st_cache.h"
#include "st_context.h"
#include "pipe/p_state.h"
#include "cso_cache/cso_cache.h"
#include "cso_cache/cso_hash.h"
/* This function will either find the state of the given template
* in the cache or it will create a new state state from the given
* template, will insert it in the cache and return it.
*/
struct pipe_blend_state * st_cached_blend_state(
struct st_context *st,
const struct pipe_blend_state *blend)
{
unsigned hash_key = cso_construct_key((void*)blend, sizeof(struct pipe_blend_state));
struct cso_hash_iter iter = cso_find_state_template(st->cache,
hash_key, CSO_BLEND,
(void*)blend);
if (cso_hash_iter_is_null(iter)) {
const struct pipe_blend_state *created_state = st->pipe->create_blend_state(
st->pipe, blend);
iter = cso_insert_state(st->cache, hash_key, CSO_BLEND,
(void*)created_state);
}
return (struct pipe_blend_state*)(cso_hash_iter_data(iter));
}
struct pipe_sampler_state * st_cached_sampler_state(
struct st_context *st,
const struct pipe_sampler_state *sampler)
{
unsigned hash_key = cso_construct_key((void*)sampler, sizeof(struct pipe_sampler_state));
struct cso_hash_iter iter = cso_find_state_template(st->cache,
hash_key, CSO_SAMPLER,
(void*)sampler);
if (cso_hash_iter_is_null(iter)) {
const struct pipe_sampler_state *created_state = st->pipe->create_sampler_state(
st->pipe, sampler);
iter = cso_insert_state(st->cache, hash_key, CSO_SAMPLER,
(void*)created_state);
}
return (struct pipe_sampler_state*)(cso_hash_iter_data(iter));
}
|
