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"
51 * Called via ctx->Driver.BindProgram() to bind an ARB vertex or
55 st_bind_program(struct gl_context
*ctx
, GLenum target
, struct gl_program
*prog
)
57 struct st_context
*st
= st_context(ctx
);
60 case GL_VERTEX_PROGRAM_ARB
:
61 st
->dirty
.st
|= ST_NEW_VERTEX_PROGRAM
;
63 case GL_FRAGMENT_PROGRAM_ARB
:
64 st
->dirty
.st
|= ST_NEW_FRAGMENT_PROGRAM
;
66 case MESA_GEOMETRY_PROGRAM
:
67 st
->dirty
.st
|= ST_NEW_GEOMETRY_PROGRAM
;
74 * Called via ctx->Driver.UseProgram() to bind a linked GLSL program
75 * (vertex shader + fragment shader).
78 st_use_program(struct gl_context
*ctx
, struct gl_shader_program
*shProg
)
80 struct st_context
*st
= st_context(ctx
);
82 st
->dirty
.st
|= ST_NEW_FRAGMENT_PROGRAM
;
83 st
->dirty
.st
|= ST_NEW_VERTEX_PROGRAM
;
84 st
->dirty
.st
|= ST_NEW_GEOMETRY_PROGRAM
;
89 * Called via ctx->Driver.NewProgram() to allocate a new vertex or
92 static struct gl_program
*
93 st_new_program(struct gl_context
*ctx
, GLenum target
, GLuint id
)
96 case GL_VERTEX_PROGRAM_ARB
: {
97 struct st_vertex_program
*prog
= ST_CALLOC_STRUCT(st_vertex_program
);
98 return _mesa_init_vertex_program(ctx
, &prog
->Base
, target
, id
);
101 case GL_FRAGMENT_PROGRAM_ARB
:
102 case GL_FRAGMENT_PROGRAM_NV
: {
103 struct st_fragment_program
*prog
= ST_CALLOC_STRUCT(st_fragment_program
);
104 return _mesa_init_fragment_program(ctx
, &prog
->Base
, target
, id
);
107 case MESA_GEOMETRY_PROGRAM
: {
108 struct st_geometry_program
*prog
= ST_CALLOC_STRUCT(st_geometry_program
);
109 return _mesa_init_geometry_program(ctx
, &prog
->Base
, target
, id
);
120 * Called via ctx->Driver.DeleteProgram()
123 st_delete_program(struct gl_context
*ctx
, struct gl_program
*prog
)
125 struct st_context
*st
= st_context(ctx
);
127 switch( prog
->Target
) {
128 case GL_VERTEX_PROGRAM_ARB
:
130 struct st_vertex_program
*stvp
= (struct st_vertex_program
*) prog
;
131 st_release_vp_varients( st
, stvp
);
134 case MESA_GEOMETRY_PROGRAM
:
136 struct st_geometry_program
*stgp
=
137 (struct st_geometry_program
*) prog
;
139 st_release_gp_varients(st
, stgp
);
141 if (stgp
->tgsi
.tokens
) {
142 st_free_tokens((void *) stgp
->tgsi
.tokens
);
143 stgp
->tgsi
.tokens
= NULL
;
147 case GL_FRAGMENT_PROGRAM_ARB
:
149 struct st_fragment_program
*stfp
=
150 (struct st_fragment_program
*) prog
;
152 st_release_fp_varients(st
, stfp
);
154 if (stfp
->tgsi
.tokens
) {
155 st_free_tokens(stfp
->tgsi
.tokens
);
156 stfp
->tgsi
.tokens
= NULL
;
161 assert(0); /* problem */
164 /* delete base class */
165 _mesa_delete_program( ctx
, prog
);
170 * Called via ctx->Driver.IsProgramNative()
173 st_is_program_native(struct gl_context
*ctx
,
175 struct gl_program
*prog
)
182 * Called via ctx->Driver.ProgramStringNotify()
183 * Called when the program's text/code is changed. We have to free
184 * all shader varients and corresponding gallium shaders when this happens.
187 st_program_string_notify( struct gl_context
*ctx
,
189 struct gl_program
*prog
)
191 struct st_context
*st
= st_context(ctx
);
193 if (target
== GL_FRAGMENT_PROGRAM_ARB
) {
194 struct st_fragment_program
*stfp
= (struct st_fragment_program
*) prog
;
196 st_release_fp_varients(st
, stfp
);
198 if (stfp
->tgsi
.tokens
) {
199 st_free_tokens(stfp
->tgsi
.tokens
);
200 stfp
->tgsi
.tokens
= NULL
;
204 st
->dirty
.st
|= ST_NEW_FRAGMENT_PROGRAM
;
206 else if (target
== MESA_GEOMETRY_PROGRAM
) {
207 struct st_geometry_program
*stgp
= (struct st_geometry_program
*) prog
;
209 st_release_gp_varients(st
, stgp
);
211 if (stgp
->tgsi
.tokens
) {
212 st_free_tokens((void *) stgp
->tgsi
.tokens
);
213 stgp
->tgsi
.tokens
= NULL
;
217 st
->dirty
.st
|= ST_NEW_GEOMETRY_PROGRAM
;
219 else if (target
== GL_VERTEX_PROGRAM_ARB
) {
220 struct st_vertex_program
*stvp
= (struct st_vertex_program
*) prog
;
222 st_release_vp_varients( st
, stvp
);
225 st
->dirty
.st
|= ST_NEW_VERTEX_PROGRAM
;
228 /* XXX check if program is legal, within limits */
234 * Plug in the program and shader-related device driver functions.
237 st_init_program_functions(struct dd_function_table
*functions
)
239 functions
->BindProgram
= st_bind_program
;
240 functions
->UseProgram
= st_use_program
;
241 functions
->NewProgram
= st_new_program
;
242 functions
->DeleteProgram
= st_delete_program
;
243 functions
->IsProgramNative
= st_is_program_native
;
244 functions
->ProgramStringNotify
= st_program_string_notify
;