sp_state_shader.c revision 339e7ec6805e6de8794514c0a935081b5d36d38f 
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 "pipe/p_util.h"
34#include "pipe/p_inlines.h"
35#include "pipe/p_winsys.h"
36#include "pipe/p_shader_tokens.h"
37#include "draw/draw_context.h"
38#include "tgsi/util/tgsi_dump.h"
39#include "tgsi/util/tgsi_scan.h"
40
41
42void *
43softpipe_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
71void
72softpipe_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
82void
83softpipe_delete_fs_state(struct pipe_context *pipe, void *fs)
84{
85   struct sp_fragment_shader *state = fs;
86
87   state->delete( state );
88}
89
90
91void *
92softpipe_create_vs_state(struct pipe_context *pipe,
93                         const struct pipe_shader_state *templ)
94{
95   struct softpipe_context *softpipe = softpipe_context(pipe);
96   struct sp_vertex_shader *state;
97
98   state = CALLOC_STRUCT(sp_vertex_shader);
99   if (state == NULL ) {
100      return NULL;
101   }
102
103   state->shader = *templ;
104
105   state->draw_data = draw_create_vertex_shader(softpipe->draw,
106                                                &state->shader);
107   if (state->draw_data == NULL) {
108      FREE( state );
109      return NULL;
110   }
111
112   return state;
113}
114
115
116void
117softpipe_bind_vs_state(struct pipe_context *pipe, void *vs)
118{
119   struct softpipe_context *softpipe = softpipe_context(pipe);
120
121   softpipe->vs = (const struct sp_vertex_shader *)vs;
122
123   draw_bind_vertex_shader(softpipe->draw,
124                           (softpipe->vs ? softpipe->vs->draw_data : NULL));
125
126   softpipe->dirty |= SP_NEW_VS;
127}
128
129
130void
131softpipe_delete_vs_state(struct pipe_context *pipe, void *vs)
132{
133   struct softpipe_context *softpipe = softpipe_context(pipe);
134
135   struct sp_vertex_shader *state =
136      (struct sp_vertex_shader *)vs;
137
138   draw_delete_vertex_shader(softpipe->draw, state->draw_data);
139   FREE( state );
140}
141
142
143
144void
145softpipe_set_constant_buffer(struct pipe_context *pipe,
146                             uint shader, uint index,
147                             const struct pipe_constant_buffer *buf)
148{
149   struct softpipe_context *softpipe = softpipe_context(pipe);
150   struct pipe_winsys *ws = pipe->winsys;
151
152   assert(shader < PIPE_SHADER_TYPES);
153   assert(index == 0);
154
155   /* note: reference counting */
156   pipe_buffer_reference(ws,
157			 &softpipe->constants[shader].buffer,
158			 buf->buffer);
159   softpipe->constants[shader].size = buf->size;
160
161   softpipe->dirty |= SP_NEW_CONSTANTS;
162}
163