Merge commit 'origin/gallium-0.1'
[mesa.git] / src / gallium / drivers / softpipe / sp_state_fs.c
1 /**************************************************************************
2 *
3 * Copyright 2007 Tungsten Graphics, Inc., Cedar Park, Texas.
4 * All Rights Reserved.
5 *
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:
13 *
14 * The above copyright notice and this permission notice (including the
15 * next paragraph) shall be included in all copies or substantial portions
16 * of the Software.
17 *
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.
25 *
26 **************************************************************************/
27
28 #include "sp_context.h"
29 #include "sp_state.h"
30 #include "sp_fs.h"
31
32 #include "pipe/p_defines.h"
33 #include "util/u_memory.h"
34 #include "pipe/p_inlines.h"
35 #include "pipe/internal/p_winsys_screen.h"
36 #include "pipe/p_shader_tokens.h"
37 #include "draw/draw_context.h"
38 #include "tgsi/tgsi_dump.h"
39 #include "tgsi/tgsi_scan.h"
40
41
42 void *
43 softpipe_create_fs_state(struct pipe_context *pipe,
44 const struct pipe_shader_state *templ)
45 {
46 struct softpipe_context *softpipe = softpipe_context(pipe);
47 struct sp_fragment_shader *state;
48
49 /* debug */
50 if (softpipe->dump_fs)
51 tgsi_dump(templ->tokens, 0);
52
53 /* codegen */
54 state = softpipe_create_fs_llvm( softpipe, templ );
55 if (!state) {
56 state = softpipe_create_fs_sse( softpipe, templ );
57 if (!state) {
58 state = softpipe_create_fs_exec( softpipe, templ );
59 }
60 }
61
62 assert(state);
63
64 /* get/save the summary info for this shader */
65 tgsi_scan_shader(templ->tokens, &state->info);
66
67 return state;
68 }
69
70
71 void
72 softpipe_bind_fs_state(struct pipe_context *pipe, void *fs)
73 {
74 struct softpipe_context *softpipe = softpipe_context(pipe);
75
76 softpipe->fs = (struct sp_fragment_shader *) fs;
77
78 softpipe->dirty |= SP_NEW_FS;
79 }
80
81
82 void
83 softpipe_delete_fs_state(struct pipe_context *pipe, void *fs)
84 {
85 struct sp_fragment_shader *state = fs;
86
87 assert(fs != softpipe_context(pipe)->fs);
88
89 state->delete( state );
90 }
91
92
93 void *
94 softpipe_create_vs_state(struct pipe_context *pipe,
95 const struct pipe_shader_state *templ)
96 {
97 struct softpipe_context *softpipe = softpipe_context(pipe);
98 struct sp_vertex_shader *state;
99
100 state = CALLOC_STRUCT(sp_vertex_shader);
101 if (state == NULL ) {
102 return NULL;
103 }
104
105 state->draw_data = draw_create_vertex_shader(softpipe->draw, templ);
106 if (state->draw_data == NULL) {
107 FREE( state );
108 return NULL;
109 }
110
111 return state;
112 }
113
114
115 void
116 softpipe_bind_vs_state(struct pipe_context *pipe, void *vs)
117 {
118 struct softpipe_context *softpipe = softpipe_context(pipe);
119
120 softpipe->vs = (const struct sp_vertex_shader *)vs;
121
122 draw_bind_vertex_shader(softpipe->draw,
123 (softpipe->vs ? softpipe->vs->draw_data : NULL));
124
125 softpipe->dirty |= SP_NEW_VS;
126 }
127
128
129 void
130 softpipe_delete_vs_state(struct pipe_context *pipe, void *vs)
131 {
132 struct softpipe_context *softpipe = softpipe_context(pipe);
133
134 struct sp_vertex_shader *state =
135 (struct sp_vertex_shader *)vs;
136
137 draw_delete_vertex_shader(softpipe->draw, state->draw_data);
138 FREE( state );
139 }
140
141
142
143 void
144 softpipe_set_constant_buffer(struct pipe_context *pipe,
145 uint shader, uint index,
146 const struct pipe_constant_buffer *buf)
147 {
148 struct softpipe_context *softpipe = softpipe_context(pipe);
149 struct pipe_screen *screen = pipe->screen;
150
151 assert(shader < PIPE_SHADER_TYPES);
152 assert(index == 0);
153
154 /* note: reference counting */
155 pipe_buffer_reference(screen,
156 &softpipe->constants[shader].buffer,
157 buf ? buf->buffer : NULL);
158
159 softpipe->dirty |= SP_NEW_CONSTANTS;
160 }