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
->no_tokens
= !templ
->tokens
;
61 memcpy(&state
->stream_output
, &templ
->stream_output
, sizeof state
->stream_output
);
64 state
->dgs
= draw_create_geometry_shader(llvmpipe
->draw
, templ
);
65 if (state
->dgs
== NULL
) {
80 llvmpipe_bind_gs_state(struct pipe_context
*pipe
, void *gs
)
82 struct llvmpipe_context
*llvmpipe
= llvmpipe_context(pipe
);
84 llvmpipe
->gs
= (struct lp_geometry_shader
*)gs
;
86 draw_bind_geometry_shader(llvmpipe
->draw
,
87 (llvmpipe
->gs
? llvmpipe
->gs
->dgs
: NULL
));
89 llvmpipe
->dirty
|= LP_NEW_GS
;
94 llvmpipe_delete_gs_state(struct pipe_context
*pipe
, void *gs
)
96 struct llvmpipe_context
*llvmpipe
= llvmpipe_context(pipe
);
98 struct lp_geometry_shader
*state
=
99 (struct lp_geometry_shader
*)gs
;
105 draw_delete_geometry_shader(llvmpipe
->draw
, state
->dgs
);
111 llvmpipe_init_gs_funcs(struct llvmpipe_context
*llvmpipe
)
113 llvmpipe
->pipe
.create_gs_state
= llvmpipe_create_gs_state
;
114 llvmpipe
->pipe
.bind_gs_state
= llvmpipe_bind_gs_state
;
115 llvmpipe
->pipe
.delete_gs_state
= llvmpipe_delete_gs_state
;