1 /**************************************************************************
3 * Copyright 2007 VMware, Inc.
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 VMWARE 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 **************************************************************************/
28 #include "lp_context.h"
30 #include "lp_texture.h"
33 #include "pipe/p_defines.h"
34 #include "util/u_memory.h"
35 #include "util/u_inlines.h"
36 #include "draw/draw_context.h"
37 #include "tgsi/tgsi_dump.h"
38 #include "tgsi/tgsi_scan.h"
39 #include "tgsi/tgsi_parse.h"
43 llvmpipe_create_gs_state(struct pipe_context
*pipe
,
44 const struct pipe_shader_state
*templ
)
46 struct llvmpipe_context
*llvmpipe
= llvmpipe_context(pipe
);
47 struct lp_geometry_shader
*state
;
49 state
= CALLOC_STRUCT(lp_geometry_shader
);
54 if (LP_DEBUG
& DEBUG_TGSI
) {
55 debug_printf("llvmpipe: Create geometry shader %p:\n", (void *)state
);
56 tgsi_dump(templ
->tokens
, 0);
59 /* copy stream output info */
60 state
->shader
= *templ
;
62 /* copy shader tokens, the ones passed in will go away. */
63 state
->shader
.tokens
= tgsi_dup_tokens(templ
->tokens
);
64 if (state
->shader
.tokens
== NULL
)
67 state
->draw_data
= draw_create_geometry_shader(llvmpipe
->draw
, templ
);
68 if (state
->draw_data
== NULL
)
76 FREE( (void *)state
->shader
.tokens
);
77 FREE( state
->draw_data
);
85 llvmpipe_bind_gs_state(struct pipe_context
*pipe
, void *gs
)
87 struct llvmpipe_context
*llvmpipe
= llvmpipe_context(pipe
);
89 llvmpipe
->gs
= (struct lp_geometry_shader
*)gs
;
91 draw_bind_geometry_shader(llvmpipe
->draw
,
92 (llvmpipe
->gs
? llvmpipe
->gs
->draw_data
: NULL
));
94 llvmpipe
->dirty
|= LP_NEW_GS
;
99 llvmpipe_delete_gs_state(struct pipe_context
*pipe
, void *gs
)
101 struct llvmpipe_context
*llvmpipe
= llvmpipe_context(pipe
);
103 struct lp_geometry_shader
*state
=
104 (struct lp_geometry_shader
*)gs
;
110 draw_delete_geometry_shader(llvmpipe
->draw
, state
->draw_data
);
111 FREE( (void *)state
->shader
.tokens
);
117 llvmpipe_init_gs_funcs(struct llvmpipe_context
*llvmpipe
)
119 llvmpipe
->pipe
.create_gs_state
= llvmpipe_create_gs_state
;
120 llvmpipe
->pipe
.bind_gs_state
= llvmpipe_bind_gs_state
;
121 llvmpipe
->pipe
.delete_gs_state
= llvmpipe_delete_gs_state
;