summaryrefslogtreecommitdiffstats
path: root/src/gallium/drivers/softpipe/sp_state_fs.c
blob: 108ac8b9bb1c0cc92b3b358b77e4cec93f4f23c5 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
/**************************************************************************
 * 
 * Copyright 2007 Tungsten Graphics, Inc., Cedar Park, Texas.
 * All Rights Reserved.
 * 
 * Permission is hereby granted, free of charge, to any person obtaining a
 * copy of this software and associated documentation files (the
 * "Software"), to deal in the Software without restriction, including
 * without limitation the rights to use, copy, modify, merge, publish,
 * distribute, sub license, and/or sell copies of the Software, and to
 * permit persons to whom the Software is furnished to do so, subject to
 * the following conditions:
 * 
 * The above copyright notice and this permission notice (including the
 * next paragraph) shall be included in all copies or substantial portions
 * of the Software.
 * 
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
 * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR
 * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
 * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
 * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 * 
 **************************************************************************/

#include "sp_context.h"
#include "sp_state.h"
#include "sp_fs.h"

#include "pipe/p_defines.h"
#include "util/u_memory.h"
#include "pipe/internal/p_winsys_screen.h"
#include "pipe/p_shader_tokens.h"
#include "draw/draw_context.h"
#include "tgsi/tgsi_dump.h"
#include "tgsi/tgsi_scan.h"
#include "tgsi/tgsi_parse.h"


void *
softpipe_create_fs_state(struct pipe_context *pipe,
                         const struct pipe_shader_state *templ)
{
   struct softpipe_context *softpipe = softpipe_context(pipe);
   struct sp_fragment_shader *state;

   /* debug */
   if (softpipe->dump_fs) 
      tgsi_dump(templ->tokens, 0);

   /* codegen */
   state = softpipe_create_fs_sse( softpipe, templ );
   if (!state) {
      state = softpipe_create_fs_exec( softpipe, templ );
   }

   assert(state);

   /* get/save the summary info for this shader */
   tgsi_scan_shader(templ->tokens, &state->info);

   return state;
}


void
softpipe_bind_fs_state(struct pipe_context *pipe, void *fs)
{
   struct softpipe_context *softpipe = softpipe_context(pipe);

   softpipe->fs = (struct sp_fragment_shader *) fs;

   softpipe->dirty |= SP_NEW_FS;
}


void
softpipe_delete_fs_state(struct pipe_context *pipe, void *fs)
{
   struct sp_fragment_shader *state = fs;

   assert(fs != softpipe_context(pipe)->fs);
   
   state->delete( state );
}


void *
softpipe_create_vs_state(struct pipe_context *pipe,
                         const struct pipe_shader_state *templ)
{
   struct softpipe_context *softpipe = softpipe_context(pipe);
   struct sp_vertex_shader *state;

   state = CALLOC_STRUCT(sp_vertex_shader);
   if (state == NULL ) 
      goto fail;

   /* copy shader tokens, the ones passed in will go away.
    */
   state->shader.tokens = tgsi_dup_tokens(templ->tokens);
   if (state->shader.tokens == NULL)
      goto fail;

   state->draw_data = draw_create_vertex_shader(softpipe->draw, templ);
   if (state->draw_data == NULL) 
      goto fail;

   return state;

fail:
   if (state) {
      FREE( (void *)state->shader.tokens );
      FREE( state->draw_data );
      FREE( state );
   }
   return NULL;
}


void
softpipe_bind_vs_state(struct pipe_context *pipe, void *vs)
{
   struct softpipe_context *softpipe = softpipe_context(pipe);

   softpipe->vs = (const struct sp_vertex_shader *)vs;

   draw_bind_vertex_shader(softpipe->draw,
                           (softpipe->vs ? softpipe->vs->draw_data : NULL));

   softpipe->dirty |= SP_NEW_VS;
}


void
softpipe_delete_vs_state(struct pipe_context *pipe, void *vs)
{
   struct softpipe_context *softpipe = softpipe_context(pipe);

   struct sp_vertex_shader *state =
      (struct sp_vertex_shader *)vs;

   draw_delete_vertex_shader(softpipe->draw, state->draw_data);
   FREE( state );
}



void
softpipe_set_constant_buffer(struct pipe_context *pipe,
                             uint shader, uint index,
                             const struct pipe_constant_buffer *buf)
{
   struct softpipe_context *softpipe = softpipe_context(pipe);

   assert(shader < PIPE_SHADER_TYPES);
   assert(index == 0);

   /* note: reference counting */
   pipe_buffer_reference(&softpipe->constants[shader].buffer,
			 buf ? buf->buffer : NULL);

   softpipe->dirty |= SP_NEW_CONSTANTS;
}