1 /**************************************************************************
2 *
3 * Copyright 2009 VMware, Inc.
4 * Copyright 2007 Tungsten Graphics, Inc., Cedar Park, Texas.
5 * All Rights Reserved.
6 *
7 * Permission is hereby granted, free of charge, to any person obtaining a
8 * copy of this software and associated documentation files (the
9 * "Software"), to deal in the Software without restriction, including
10 * without limitation the rights to use, copy, modify, merge, publish,
11 * distribute, sub license, and/or sell copies of the Software, and to
12 * permit persons to whom the Software is furnished to do so, subject to
13 * the following conditions:
14 *
15 * The above copyright notice and this permission notice (including the
16 * next paragraph) shall be included in all copies or substantial portions
17 * of the Software.
18 *
19 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
20 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
21 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
22 * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR
23 * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
24 * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
25 * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
26 *
27 **************************************************************************/
28
29
30 #include "pipe/p_defines.h"
31 #include "tgsi/tgsi_dump.h"
32 #include "tgsi/tgsi_parse.h"
33 #include "util/u_memory.h"
34 #include "draw/draw_context.h"
35
36 #include "lp_context.h"
37 #include "lp_debug.h"
38 #include "lp_state.h"
39
40
41 static void *
llvmpipe_create_vs_state(struct pipe_context * pipe,const struct pipe_shader_state * templ)42 llvmpipe_create_vs_state(struct pipe_context *pipe,
43 const struct pipe_shader_state *templ)
44 {
45 struct llvmpipe_context *llvmpipe = llvmpipe_context(pipe);
46 struct lp_vertex_shader *state;
47
48 state = CALLOC_STRUCT(lp_vertex_shader);
49 if (state == NULL )
50 goto fail;
51
52 /* copy shader tokens, the ones passed in will go away.
53 */
54 state->shader.tokens = tgsi_dup_tokens(templ->tokens);
55 if (state->shader.tokens == NULL)
56 goto fail;
57
58 state->draw_data = draw_create_vertex_shader(llvmpipe->draw, templ);
59 if (state->draw_data == NULL)
60 goto fail;
61
62 if (LP_DEBUG & DEBUG_TGSI) {
63 debug_printf("llvmpipe: Create vertex shader %p:\n", (void *) state);
64 tgsi_dump(templ->tokens, 0);
65 }
66
67 return state;
68
69 fail:
70 if (state) {
71 FREE( (void *)state->shader.tokens );
72 FREE( state->draw_data );
73 FREE( state );
74 }
75 return NULL;
76 }
77
78
79 static void
llvmpipe_bind_vs_state(struct pipe_context * pipe,void * _vs)80 llvmpipe_bind_vs_state(struct pipe_context *pipe, void *_vs)
81 {
82 struct llvmpipe_context *llvmpipe = llvmpipe_context(pipe);
83 const struct lp_vertex_shader *vs = (const struct lp_vertex_shader *)_vs;
84
85 if (llvmpipe->vs == vs)
86 return;
87
88 draw_bind_vertex_shader(llvmpipe->draw,
89 vs ? vs->draw_data : NULL);
90
91 llvmpipe->vs = vs;
92
93 llvmpipe->dirty |= LP_NEW_VS;
94 }
95
96
97 static void
llvmpipe_delete_vs_state(struct pipe_context * pipe,void * vs)98 llvmpipe_delete_vs_state(struct pipe_context *pipe, void *vs)
99 {
100 struct llvmpipe_context *llvmpipe = llvmpipe_context(pipe);
101
102 struct lp_vertex_shader *state =
103 (struct lp_vertex_shader *)vs;
104
105 draw_delete_vertex_shader(llvmpipe->draw, state->draw_data);
106 FREE( (void *)state->shader.tokens );
107 FREE( state );
108 }
109
110
111
112 void
llvmpipe_init_vs_funcs(struct llvmpipe_context * llvmpipe)113 llvmpipe_init_vs_funcs(struct llvmpipe_context *llvmpipe)
114 {
115 llvmpipe->pipe.create_vs_state = llvmpipe_create_vs_state;
116 llvmpipe->pipe.bind_vs_state = llvmpipe_bind_vs_state;
117 llvmpipe->pipe.delete_vs_state = llvmpipe_delete_vs_state;
118 }
119