1 /**************************************************************************
3 * Copyright 2007 Tungsten Graphics, Inc., Cedar Park, Texas.
6 * Permission is hereby granted, free of charge, to any person obtaining a
7 * copy of this software and associated documentation files (the
8 * "Software"), to deal in the Software without restriction, including
9 * without limitation the rights to use, copy, modify, merge, publish,
10 * distribute, sub license, and/or sell copies of the Software, and to
11 * permit persons to whom the Software is furnished to do so, subject to
12 * the following conditions:
14 * The above copyright notice and this permission notice (including the
15 * next paragraph) shall be included in all copies or substantial portions
18 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
19 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
20 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
21 * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR
22 * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
23 * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
24 * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
26 **************************************************************************/
30 * Zack Rusin <zack@tungstengraphics.com>
35 #include "st_context.h"
37 #include "pipe/p_state.h"
39 #include "pipe/cso_cache/cso_cache.h"
40 #include "pipe/cso_cache/cso_hash.h"
43 /* Those function will either find the state of the given template
44 * in the cache or they will create a new state from the given
45 * template, insert it in the cache and return it.
49 * If the driver returns 0 from the create method then they will assign
50 * the data member of the cso to be the template itself.
53 const struct cso_blend
* st_cached_blend_state(struct st_context
*st
,
54 const struct pipe_blend_state
*templ
)
56 unsigned hash_key
= cso_construct_key((void*)templ
, sizeof(struct pipe_blend_state
));
57 struct cso_hash_iter iter
= cso_find_state_template(st
->cache
,
60 if (cso_hash_iter_is_null(iter
)) {
61 struct cso_blend
*cso
= malloc(sizeof(struct cso_blend
));
62 memcpy(&cso
->state
, templ
, sizeof(struct pipe_blend_state
));
63 cso
->data
= st
->pipe
->create_blend_state(st
->pipe
, &cso
->state
);
65 cso
->data
= &cso
->state
;
66 iter
= cso_insert_state(st
->cache
, hash_key
, CSO_BLEND
, cso
);
68 return ((struct cso_blend
*)cso_hash_iter_data(iter
));
71 const struct cso_sampler
*
72 st_cached_sampler_state(struct st_context
*st
,
73 const struct pipe_sampler_state
*templ
)
75 unsigned hash_key
= cso_construct_key((void*)templ
, sizeof(struct pipe_sampler_state
));
76 struct cso_hash_iter iter
= cso_find_state_template(st
->cache
,
77 hash_key
, CSO_SAMPLER
,
79 if (cso_hash_iter_is_null(iter
)) {
80 struct cso_sampler
*cso
= malloc(sizeof(struct cso_sampler
));
81 memcpy(&cso
->state
, templ
, sizeof(struct pipe_sampler_state
));
82 cso
->data
= st
->pipe
->create_sampler_state(st
->pipe
, &cso
->state
);
84 cso
->data
= &cso
->state
;
85 iter
= cso_insert_state(st
->cache
, hash_key
, CSO_SAMPLER
, cso
);
87 return (struct cso_sampler
*)(cso_hash_iter_data(iter
));
90 const struct cso_depth_stencil
*
91 st_cached_depth_stencil_state(struct st_context
*st
,
92 const struct pipe_depth_stencil_state
*templ
)
94 unsigned hash_key
= cso_construct_key((void*)templ
,
95 sizeof(struct pipe_depth_stencil_state
));
96 struct cso_hash_iter iter
= cso_find_state_template(st
->cache
,
97 hash_key
, CSO_DEPTH_STENCIL
,
99 if (cso_hash_iter_is_null(iter
)) {
100 struct cso_depth_stencil
*cso
= malloc(sizeof(struct cso_depth_stencil
));
101 memcpy(&cso
->state
, templ
, sizeof(struct pipe_depth_stencil_state
));
102 cso
->data
= st
->pipe
->create_depth_stencil_state(st
->pipe
, &cso
->state
);
104 cso
->data
= &cso
->state
;
105 iter
= cso_insert_state(st
->cache
, hash_key
, CSO_DEPTH_STENCIL
, cso
);
107 return (struct cso_depth_stencil
*)(cso_hash_iter_data(iter
));
110 const struct cso_rasterizer
* st_cached_rasterizer_state(
111 struct st_context
*st
,
112 const struct pipe_rasterizer_state
*templ
)
114 unsigned hash_key
= cso_construct_key((void*)templ
,
115 sizeof(struct pipe_rasterizer_state
));
116 struct cso_hash_iter iter
= cso_find_state_template(st
->cache
,
117 hash_key
, CSO_RASTERIZER
,
119 if (cso_hash_iter_is_null(iter
)) {
120 struct cso_rasterizer
*cso
= malloc(sizeof(struct cso_rasterizer
));
121 memcpy(&cso
->state
, templ
, sizeof(struct pipe_rasterizer_state
));
122 cso
->data
= st
->pipe
->create_rasterizer_state(st
->pipe
, &cso
->state
);
124 cso
->data
= &cso
->state
;
125 iter
= cso_insert_state(st
->cache
, hash_key
, CSO_RASTERIZER
, cso
);
127 return (struct cso_rasterizer
*)(cso_hash_iter_data(iter
));
130 const struct cso_fragment_shader
*
131 st_cached_fs_state(struct st_context
*st
,
132 const struct pipe_shader_state
*templ
)
134 unsigned hash_key
= cso_construct_key((void*)templ
,
135 sizeof(struct pipe_shader_state
));
136 struct cso_hash_iter iter
= cso_find_state_template(st
->cache
,
137 hash_key
, CSO_FRAGMENT_SHADER
,
139 if (cso_hash_iter_is_null(iter
)) {
140 struct cso_fragment_shader
*cso
= malloc(sizeof(struct cso_fragment_shader
));
141 memcpy(&cso
->state
, templ
, sizeof(struct pipe_shader_state
));
142 cso
->data
= st
->pipe
->create_fs_state(st
->pipe
, &cso
->state
);
144 cso
->data
= &cso
->state
;
145 iter
= cso_insert_state(st
->cache
, hash_key
, CSO_FRAGMENT_SHADER
, cso
);
147 return (struct cso_fragment_shader
*)(cso_hash_iter_data(iter
));
150 const struct cso_vertex_shader
*
151 st_cached_vs_state(struct st_context
*st
,
152 const struct pipe_shader_state
*templ
)
154 unsigned hash_key
= cso_construct_key((void*)templ
,
155 sizeof(struct pipe_shader_state
));
156 struct cso_hash_iter iter
= cso_find_state_template(st
->cache
,
157 hash_key
, CSO_VERTEX_SHADER
,
159 if (cso_hash_iter_is_null(iter
)) {
160 struct cso_vertex_shader
*cso
= malloc(sizeof(struct cso_vertex_shader
));
161 memcpy(&cso
->state
, templ
, sizeof(struct pipe_shader_state
));
162 cso
->data
= st
->pipe
->create_vs_state(st
->pipe
, &cso
->state
);
164 cso
->data
= &cso
->state
;
165 iter
= cso_insert_state(st
->cache
, hash_key
, CSO_VERTEX_SHADER
, cso
);
167 return (struct cso_vertex_shader
*)(cso_hash_iter_data(iter
));
170 const struct cso_alpha_test
*
171 st_cached_alpha_test_state(struct st_context
*st
,
172 const struct pipe_alpha_test_state
*templ
)
174 unsigned hash_key
= cso_construct_key((void*)templ
,
175 sizeof(struct pipe_alpha_test_state
));
176 struct cso_hash_iter iter
= cso_find_state_template(st
->cache
,
177 hash_key
, CSO_ALPHA_TEST
,
179 if (cso_hash_iter_is_null(iter
)) {
180 struct cso_alpha_test
*cso
= malloc(sizeof(struct cso_alpha_test
));
181 memcpy(&cso
->state
, templ
, sizeof(struct pipe_alpha_test_state
));
182 cso
->data
= st
->pipe
->create_alpha_test_state(st
->pipe
, &cso
->state
);
184 cso
->data
= &cso
->state
;
185 iter
= cso_insert_state(st
->cache
, hash_key
, CSO_ALPHA_TEST
, cso
);
187 return ((struct cso_alpha_test
*)cso_hash_iter_data(iter
));