1 /**********************************************************
2 * Copyright 2008-2009 VMware, Inc. All rights reserved.
4 * Permission is hereby granted, free of charge, to any person
5 * obtaining a copy of this software and associated documentation
6 * files (the "Software"), to deal in the Software without
7 * restriction, including without limitation the rights to use, copy,
8 * modify, merge, publish, distribute, sublicense, and/or sell copies
9 * of the Software, and to permit persons to whom the Software is
10 * furnished to do so, subject to the following conditions:
12 * The above copyright notice and this permission notice shall be
13 * included in all copies or substantial portions of the Software.
15 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
16 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
17 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
18 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
19 * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
20 * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
21 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
24 **********************************************************/
26 #include "util/u_inlines.h"
27 #include "util/u_math.h"
28 #include "util/u_memory.h"
29 #include "util/u_bitmask.h"
30 #include "tgsi/tgsi_parse.h"
31 #include "draw/draw_context.h"
33 #include "svga_context.h"
34 #include "svga_hw_reg.h"
36 #include "svga_debug.h"
37 #include "svga_shader.h"
41 svga_create_fs_state(struct pipe_context
*pipe
,
42 const struct pipe_shader_state
*templ
)
44 struct svga_context
*svga
= svga_context(pipe
);
45 struct svga_fragment_shader
*fs
;
47 fs
= CALLOC_STRUCT(svga_fragment_shader
);
51 SVGA_STATS_TIME_PUSH(svga_sws(svga
), SVGA_STATS_TIME_CREATEFS
);
53 fs
->base
.tokens
= tgsi_dup_tokens(templ
->tokens
);
55 /* Collect basic info that we'll need later:
57 tgsi_scan_shader(fs
->base
.tokens
, &fs
->base
.info
);
59 fs
->base
.id
= svga
->debug
.shader_id
++;
61 fs
->generic_inputs
= svga_get_generic_inputs_mask(&fs
->base
.info
);
63 svga_remap_generics(fs
->generic_inputs
, fs
->generic_remap_table
);
65 fs
->draw_shader
= draw_create_fragment_shader(svga
->swtnl
.draw
, templ
);
67 SVGA_STATS_TIME_POP(svga_sws(svga
));
73 svga_bind_fs_state(struct pipe_context
*pipe
, void *shader
)
75 struct svga_fragment_shader
*fs
= (struct svga_fragment_shader
*) shader
;
76 struct svga_context
*svga
= svga_context(pipe
);
79 svga
->dirty
|= SVGA_NEW_FS
;
84 svga_delete_fs_state(struct pipe_context
*pipe
, void *shader
)
86 struct svga_context
*svga
= svga_context(pipe
);
87 struct svga_fragment_shader
*fs
= (struct svga_fragment_shader
*) shader
;
88 struct svga_shader_variant
*variant
, *tmp
;
91 svga_hwtnl_flush_retry(svga
);
93 assert(fs
->base
.parent
== NULL
);
95 draw_delete_fragment_shader(svga
->swtnl
.draw
, fs
->draw_shader
);
97 for (variant
= fs
->base
.variants
; variant
; variant
= tmp
) {
100 /* Check if deleting currently bound shader */
101 if (variant
== svga
->state
.hw_draw
.fs
) {
102 ret
= svga_set_shader(svga
, SVGA3D_SHADERTYPE_PS
, NULL
);
103 if (ret
!= PIPE_OK
) {
104 svga_context_flush(svga
, NULL
);
105 ret
= svga_set_shader(svga
, SVGA3D_SHADERTYPE_PS
, NULL
);
106 assert(ret
== PIPE_OK
);
108 svga
->state
.hw_draw
.fs
= NULL
;
111 ret
= svga_destroy_shader_variant(svga
, SVGA3D_SHADERTYPE_PS
, variant
);
112 if (ret
!= PIPE_OK
) {
113 svga_context_flush(svga
, NULL
);
114 ret
= svga_destroy_shader_variant(svga
, SVGA3D_SHADERTYPE_PS
, variant
);
115 assert(ret
== PIPE_OK
);
119 FREE((void *)fs
->base
.tokens
);
125 svga_init_fs_functions(struct svga_context
*svga
)
127 svga
->pipe
.create_fs_state
= svga_create_fs_state
;
128 svga
->pipe
.bind_fs_state
= svga_bind_fs_state
;
129 svga
->pipe
.delete_fs_state
= svga_delete_fs_state
;