1 /**************************************************************************
3 * Copyright 2003 VMware, Inc.
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 VMWARE 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 <keithw@vmware.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"
45 #include "st_program.h"
46 #include "st_mesa_to_tgsi.h"
47 #include "st_cb_program.h"
48 #include "st_glsl_to_tgsi.h"
53 * Called via ctx->Driver.BindProgram() to bind an ARB vertex or
57 st_bind_program(struct gl_context
*ctx
, GLenum target
, struct gl_program
*prog
)
59 struct st_context
*st
= st_context(ctx
);
62 case GL_VERTEX_PROGRAM_ARB
:
63 st
->dirty
.st
|= ST_NEW_VERTEX_PROGRAM
;
65 case GL_FRAGMENT_PROGRAM_ARB
:
66 st
->dirty
.st
|= ST_NEW_FRAGMENT_PROGRAM
;
68 case GL_GEOMETRY_PROGRAM_NV
:
69 st
->dirty
.st
|= ST_NEW_GEOMETRY_PROGRAM
;
71 case GL_TESS_CONTROL_PROGRAM_NV
:
72 st
->dirty
.st
|= ST_NEW_TESSCTRL_PROGRAM
;
74 case GL_TESS_EVALUATION_PROGRAM_NV
:
75 st
->dirty
.st
|= ST_NEW_TESSEVAL_PROGRAM
;
82 * Called via ctx->Driver.UseProgram() to bind a linked GLSL program
83 * (vertex shader + fragment shader).
86 st_use_program(struct gl_context
*ctx
, struct gl_shader_program
*shProg
)
88 struct st_context
*st
= st_context(ctx
);
90 st
->dirty
.st
|= ST_NEW_FRAGMENT_PROGRAM
;
91 st
->dirty
.st
|= ST_NEW_VERTEX_PROGRAM
;
92 st
->dirty
.st
|= ST_NEW_GEOMETRY_PROGRAM
;
93 st
->dirty
.st
|= ST_NEW_TESSCTRL_PROGRAM
;
94 st
->dirty
.st
|= ST_NEW_TESSEVAL_PROGRAM
;
99 * Called via ctx->Driver.NewProgram() to allocate a new vertex or
102 static struct gl_program
*
103 st_new_program(struct gl_context
*ctx
, GLenum target
, GLuint id
)
106 case GL_VERTEX_PROGRAM_ARB
: {
107 struct st_vertex_program
*prog
= ST_CALLOC_STRUCT(st_vertex_program
);
108 return _mesa_init_gl_program(&prog
->Base
, target
, id
);
110 case GL_FRAGMENT_PROGRAM_ARB
: {
111 struct st_fragment_program
*prog
= ST_CALLOC_STRUCT(st_fragment_program
);
112 return _mesa_init_gl_program(&prog
->Base
, target
, id
);
114 case GL_GEOMETRY_PROGRAM_NV
: {
115 struct st_geometry_program
*prog
= ST_CALLOC_STRUCT(st_geometry_program
);
116 return _mesa_init_gl_program(&prog
->Base
, target
, id
);
118 case GL_TESS_CONTROL_PROGRAM_NV
: {
119 struct st_tessctrl_program
*prog
= ST_CALLOC_STRUCT(st_tessctrl_program
);
120 return _mesa_init_gl_program(&prog
->Base
, target
, id
);
122 case GL_TESS_EVALUATION_PROGRAM_NV
: {
123 struct st_tesseval_program
*prog
= ST_CALLOC_STRUCT(st_tesseval_program
);
124 return _mesa_init_gl_program(&prog
->Base
, target
, id
);
134 * Called via ctx->Driver.DeleteProgram()
137 st_delete_program(struct gl_context
*ctx
, struct gl_program
*prog
)
139 struct st_context
*st
= st_context(ctx
);
141 switch( prog
->Target
) {
142 case GL_VERTEX_PROGRAM_ARB
:
144 struct st_vertex_program
*stvp
= (struct st_vertex_program
*) prog
;
145 st_release_vp_variants( st
, stvp
);
147 if (stvp
->glsl_to_tgsi
)
148 free_glsl_to_tgsi_visitor(stvp
->glsl_to_tgsi
);
151 case GL_GEOMETRY_PROGRAM_NV
:
153 struct st_geometry_program
*stgp
=
154 (struct st_geometry_program
*) prog
;
156 st_release_gp_variants(st
, stgp
);
158 if (stgp
->glsl_to_tgsi
)
159 free_glsl_to_tgsi_visitor(stgp
->glsl_to_tgsi
);
162 case GL_FRAGMENT_PROGRAM_ARB
:
164 struct st_fragment_program
*stfp
=
165 (struct st_fragment_program
*) prog
;
167 st_release_fp_variants(st
, stfp
);
169 if (stfp
->glsl_to_tgsi
)
170 free_glsl_to_tgsi_visitor(stfp
->glsl_to_tgsi
);
173 case GL_TESS_CONTROL_PROGRAM_NV
:
175 struct st_tessctrl_program
*sttcp
=
176 (struct st_tessctrl_program
*) prog
;
178 st_release_tcp_variants(st
, sttcp
);
180 if (sttcp
->glsl_to_tgsi
)
181 free_glsl_to_tgsi_visitor(sttcp
->glsl_to_tgsi
);
184 case GL_TESS_EVALUATION_PROGRAM_NV
:
186 struct st_tesseval_program
*sttep
=
187 (struct st_tesseval_program
*) prog
;
189 st_release_tep_variants(st
, sttep
);
191 if (sttep
->glsl_to_tgsi
)
192 free_glsl_to_tgsi_visitor(sttep
->glsl_to_tgsi
);
196 assert(0); /* problem */
199 /* delete base class */
200 _mesa_delete_program( ctx
, prog
);
205 * Called via ctx->Driver.IsProgramNative()
208 st_is_program_native(struct gl_context
*ctx
,
210 struct gl_program
*prog
)
217 * Called via ctx->Driver.ProgramStringNotify()
218 * Called when the program's text/code is changed. We have to free
219 * all shader variants and corresponding gallium shaders when this happens.
222 st_program_string_notify( struct gl_context
*ctx
,
224 struct gl_program
*prog
)
226 struct st_context
*st
= st_context(ctx
);
228 if (target
== GL_FRAGMENT_PROGRAM_ARB
) {
229 struct st_fragment_program
*stfp
= (struct st_fragment_program
*) prog
;
231 st_release_fp_variants(st
, stfp
);
232 if (!st_translate_fragment_program(st
, stfp
))
236 st
->dirty
.st
|= ST_NEW_FRAGMENT_PROGRAM
;
238 else if (target
== GL_GEOMETRY_PROGRAM_NV
) {
239 struct st_geometry_program
*stgp
= (struct st_geometry_program
*) prog
;
241 st_release_gp_variants(st
, stgp
);
242 if (!st_translate_geometry_program(st
, stgp
))
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
;
251 st_release_vp_variants(st
, stvp
);
252 if (!st_translate_vertex_program(st
, stvp
))
256 st
->dirty
.st
|= ST_NEW_VERTEX_PROGRAM
;
258 else if (target
== GL_TESS_CONTROL_PROGRAM_NV
) {
259 struct st_tessctrl_program
*sttcp
=
260 (struct st_tessctrl_program
*) prog
;
262 st_release_tcp_variants(st
, sttcp
);
263 if (!st_translate_tessctrl_program(st
, sttcp
))
266 if (st
->tcp
== sttcp
)
267 st
->dirty
.st
|= ST_NEW_TESSCTRL_PROGRAM
;
269 else if (target
== GL_TESS_EVALUATION_PROGRAM_NV
) {
270 struct st_tesseval_program
*sttep
=
271 (struct st_tesseval_program
*) prog
;
273 st_release_tep_variants(st
, sttep
);
274 if (!st_translate_tesseval_program(st
, sttep
))
277 if (st
->tep
== sttep
)
278 st
->dirty
.st
|= ST_NEW_TESSEVAL_PROGRAM
;
281 if (ST_DEBUG
& DEBUG_PRECOMPILE
)
282 st_precompile_shader_variant(st
, prog
);
284 /* XXX check if program is legal, within limits */
290 * Plug in the program and shader-related device driver functions.
293 st_init_program_functions(struct dd_function_table
*functions
)
295 functions
->BindProgram
= st_bind_program
;
296 functions
->UseProgram
= st_use_program
;
297 functions
->NewProgram
= st_new_program
;
298 functions
->DeleteProgram
= st_delete_program
;
299 functions
->IsProgramNative
= st_is_program_native
;
300 functions
->ProgramStringNotify
= st_program_string_notify
;
302 functions
->LinkShader
= st_link_shader
;