1 /**************************************************************************
3 * Copyright 2003 Tungsten Graphics, Inc., Cedar Park, Texas.
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 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.
26 **************************************************************************/
30 * Keith Whitwell <keith@tungstengraphics.com>
33 #include "main/glheader.h"
34 #include "main/macros.h"
35 #include "main/enums.h"
36 #include "main/shaderapi.h"
37 #include "program/prog_instruction.h"
38 #include "program/program.h"
40 #include "cso_cache/cso_context.h"
41 #include "draw/draw_context.h"
43 #include "st_context.h"
44 #include "st_program.h"
45 #include "st_mesa_to_tgsi.h"
46 #include "st_cb_program.h"
49 static GLuint SerialNo
= 1;
53 * Called via ctx->Driver.BindProgram() to bind an ARB vertex or
56 static void st_bind_program( struct gl_context
*ctx
,
58 struct gl_program
*prog
)
60 struct st_context
*st
= st_context(ctx
);
63 case GL_VERTEX_PROGRAM_ARB
:
64 st
->dirty
.st
|= ST_NEW_VERTEX_PROGRAM
;
66 case GL_FRAGMENT_PROGRAM_ARB
:
67 st
->dirty
.st
|= ST_NEW_FRAGMENT_PROGRAM
;
69 case MESA_GEOMETRY_PROGRAM
:
70 st
->dirty
.st
|= ST_NEW_GEOMETRY_PROGRAM
;
77 * Called via ctx->Driver.UseProgram() to bind a linked GLSL program
78 * (vertex shader + fragment shader).
80 static void st_use_program( struct gl_context
*ctx
, struct gl_shader_program
*shProg
)
82 struct st_context
*st
= st_context(ctx
);
84 st
->dirty
.st
|= ST_NEW_FRAGMENT_PROGRAM
;
85 st
->dirty
.st
|= ST_NEW_VERTEX_PROGRAM
;
86 st
->dirty
.st
|= ST_NEW_GEOMETRY_PROGRAM
;
92 * Called via ctx->Driver.NewProgram() to allocate a new vertex or
95 static struct gl_program
*st_new_program( struct gl_context
*ctx
,
100 case GL_VERTEX_PROGRAM_ARB
: {
101 struct st_vertex_program
*prog
= ST_CALLOC_STRUCT(st_vertex_program
);
103 prog
->serialNo
= SerialNo
++;
105 return _mesa_init_vertex_program( ctx
,
111 case GL_FRAGMENT_PROGRAM_ARB
:
112 case GL_FRAGMENT_PROGRAM_NV
: {
113 struct st_fragment_program
*prog
= ST_CALLOC_STRUCT(st_fragment_program
);
115 prog
->serialNo
= SerialNo
++;
117 return _mesa_init_fragment_program( ctx
,
123 case MESA_GEOMETRY_PROGRAM
: {
124 struct st_geometry_program
*prog
= ST_CALLOC_STRUCT(st_geometry_program
);
126 prog
->serialNo
= SerialNo
++;
128 return _mesa_init_geometry_program( ctx
,
142 st_delete_program(struct gl_context
*ctx
, struct gl_program
*prog
)
144 struct st_context
*st
= st_context(ctx
);
146 switch( prog
->Target
) {
147 case GL_VERTEX_PROGRAM_ARB
:
149 struct st_vertex_program
*stvp
= (struct st_vertex_program
*) prog
;
150 st_vp_release_varients( st
, stvp
);
153 case MESA_GEOMETRY_PROGRAM
:
155 struct st_geometry_program
*stgp
= (struct st_geometry_program
*) prog
;
157 if (stgp
->driver_shader
) {
158 cso_delete_geometry_shader(st
->cso_context
, stgp
->driver_shader
);
159 stgp
->driver_shader
= NULL
;
162 if (stgp
->tgsi
.tokens
) {
163 st_free_tokens((void *) stgp
->tgsi
.tokens
);
164 stgp
->tgsi
.tokens
= NULL
;
168 case GL_FRAGMENT_PROGRAM_ARB
:
170 struct st_fragment_program
*stfp
= (struct st_fragment_program
*) prog
;
172 if (stfp
->driver_shader
) {
173 cso_delete_fragment_shader(st
->cso_context
, stfp
->driver_shader
);
174 stfp
->driver_shader
= NULL
;
177 if (stfp
->tgsi
.tokens
) {
178 st_free_tokens(stfp
->tgsi
.tokens
);
179 stfp
->tgsi
.tokens
= NULL
;
182 if (stfp
->bitmap_program
) {
183 struct gl_program
*prg
= &stfp
->bitmap_program
->Base
.Base
;
184 _mesa_reference_program(ctx
, &prg
, NULL
);
185 stfp
->bitmap_program
= NULL
;
190 assert(0); /* problem */
193 /* delete base class */
194 _mesa_delete_program( ctx
, prog
);
198 static GLboolean
st_is_program_native( struct gl_context
*ctx
,
200 struct gl_program
*prog
)
206 static GLboolean
st_program_string_notify( struct gl_context
*ctx
,
208 struct gl_program
*prog
)
210 struct st_context
*st
= st_context(ctx
);
212 if (target
== GL_FRAGMENT_PROGRAM_ARB
) {
213 struct st_fragment_program
*stfp
= (struct st_fragment_program
*) prog
;
217 if (stfp
->driver_shader
) {
218 cso_delete_fragment_shader(st
->cso_context
, stfp
->driver_shader
);
219 stfp
->driver_shader
= NULL
;
222 if (stfp
->tgsi
.tokens
) {
223 st_free_tokens(stfp
->tgsi
.tokens
);
224 stfp
->tgsi
.tokens
= NULL
;
228 st
->dirty
.st
|= ST_NEW_FRAGMENT_PROGRAM
;
230 else if (target
== MESA_GEOMETRY_PROGRAM
) {
231 struct st_geometry_program
*stgp
= (struct st_geometry_program
*) prog
;
235 if (stgp
->driver_shader
) {
236 cso_delete_geometry_shader(st
->cso_context
, stgp
->driver_shader
);
237 stgp
->driver_shader
= NULL
;
240 if (stgp
->tgsi
.tokens
) {
241 st_free_tokens((void *) stgp
->tgsi
.tokens
);
242 stgp
->tgsi
.tokens
= NULL
;
246 st
->dirty
.st
|= ST_NEW_GEOMETRY_PROGRAM
;
248 else if (target
== GL_VERTEX_PROGRAM_ARB
) {
249 struct st_vertex_program
*stvp
= (struct st_vertex_program
*) prog
;
253 st_vp_release_varients( st
, stvp
);
256 st
->dirty
.st
|= ST_NEW_VERTEX_PROGRAM
;
259 /* XXX check if program is legal, within limits */
265 void st_init_program_functions(struct dd_function_table
*functions
)
267 functions
->BindProgram
= st_bind_program
;
268 functions
->UseProgram
= st_use_program
;
269 functions
->NewProgram
= st_new_program
;
270 functions
->DeleteProgram
= st_delete_program
;
271 functions
->IsProgramNative
= st_is_program_native
;
272 functions
->ProgramStringNotify
= st_program_string_notify
;