1 /**************************************************************************
2 *
3 * Copyright 2003 VMware, Inc.
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 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.
25 *
26 **************************************************************************/
27
28 /*
29 * Authors:
30 * Keith Whitwell <keithw@vmware.com>
31 */
32
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"
39
40 #include "cso_cache/cso_context.h"
41 #include "draw/draw_context.h"
42
43 #include "st_context.h"
44 #include "st_debug.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"
49 #include "st_atifs_to_tgsi.h"
50
51
52 /**
53 * Called via ctx->Driver.NewProgram() to allocate a new vertex or
54 * fragment program.
55 */
56 static struct gl_program *
st_new_program(struct gl_context * ctx,GLenum target,GLuint id,bool is_arb_asm)57 st_new_program(struct gl_context *ctx, GLenum target, GLuint id,
58 bool is_arb_asm)
59 {
60 switch (target) {
61 case GL_VERTEX_PROGRAM_ARB: {
62 struct st_vertex_program *prog = rzalloc(NULL,
63 struct st_vertex_program);
64 return _mesa_init_gl_program(&prog->Base, target, id, is_arb_asm);
65 }
66 case GL_FRAGMENT_PROGRAM_ARB: {
67 struct st_fragment_program *prog = rzalloc(NULL,
68 struct st_fragment_program);
69 return _mesa_init_gl_program(&prog->Base, target, id, is_arb_asm);
70 }
71 case GL_GEOMETRY_PROGRAM_NV: {
72 struct st_geometry_program *prog = rzalloc(NULL,
73 struct st_geometry_program);
74 return _mesa_init_gl_program(&prog->Base, target, id, is_arb_asm);
75 }
76 case GL_TESS_CONTROL_PROGRAM_NV: {
77 struct st_tessctrl_program *prog = rzalloc(NULL,
78 struct st_tessctrl_program);
79 return _mesa_init_gl_program(&prog->Base, target, id, is_arb_asm);
80 }
81 case GL_TESS_EVALUATION_PROGRAM_NV: {
82 struct st_tesseval_program *prog = rzalloc(NULL,
83 struct st_tesseval_program);
84 return _mesa_init_gl_program(&prog->Base, target, id, is_arb_asm);
85 }
86 case GL_COMPUTE_PROGRAM_NV: {
87 struct st_compute_program *prog = rzalloc(NULL,
88 struct st_compute_program);
89 return _mesa_init_gl_program(&prog->Base, target, id, is_arb_asm);
90 }
91 default:
92 assert(0);
93 return NULL;
94 }
95 }
96
97
98 /**
99 * Called via ctx->Driver.DeleteProgram()
100 */
101 static void
st_delete_program(struct gl_context * ctx,struct gl_program * prog)102 st_delete_program(struct gl_context *ctx, struct gl_program *prog)
103 {
104 struct st_context *st = st_context(ctx);
105
106 switch( prog->Target ) {
107 case GL_VERTEX_PROGRAM_ARB:
108 {
109 struct st_vertex_program *stvp = (struct st_vertex_program *) prog;
110 st_release_vp_variants( st, stvp );
111
112 if (stvp->glsl_to_tgsi)
113 free_glsl_to_tgsi_visitor(stvp->glsl_to_tgsi);
114 }
115 break;
116 case GL_GEOMETRY_PROGRAM_NV:
117 {
118 struct st_geometry_program *stgp =
119 (struct st_geometry_program *) prog;
120
121 st_release_basic_variants(st, stgp->Base.Target, &stgp->variants,
122 &stgp->tgsi);
123
124 if (stgp->glsl_to_tgsi)
125 free_glsl_to_tgsi_visitor(stgp->glsl_to_tgsi);
126 }
127 break;
128 case GL_FRAGMENT_PROGRAM_ARB:
129 {
130 struct st_fragment_program *stfp =
131 (struct st_fragment_program *) prog;
132
133 st_release_fp_variants(st, stfp);
134
135 if (stfp->glsl_to_tgsi)
136 free_glsl_to_tgsi_visitor(stfp->glsl_to_tgsi);
137 }
138 break;
139 case GL_TESS_CONTROL_PROGRAM_NV:
140 {
141 struct st_tessctrl_program *sttcp =
142 (struct st_tessctrl_program *) prog;
143
144 st_release_basic_variants(st, sttcp->Base.Target, &sttcp->variants,
145 &sttcp->tgsi);
146
147 if (sttcp->glsl_to_tgsi)
148 free_glsl_to_tgsi_visitor(sttcp->glsl_to_tgsi);
149 }
150 break;
151 case GL_TESS_EVALUATION_PROGRAM_NV:
152 {
153 struct st_tesseval_program *sttep =
154 (struct st_tesseval_program *) prog;
155
156 st_release_basic_variants(st, sttep->Base.Target,
157 &sttep->variants, &sttep->tgsi);
158
159 if (sttep->glsl_to_tgsi)
160 free_glsl_to_tgsi_visitor(sttep->glsl_to_tgsi);
161 }
162 break;
163 case GL_COMPUTE_PROGRAM_NV:
164 {
165 struct st_compute_program *stcp =
166 (struct st_compute_program *) prog;
167
168 st_release_cp_variants(st, stcp);
169
170 if (stcp->glsl_to_tgsi)
171 free_glsl_to_tgsi_visitor(stcp->glsl_to_tgsi);
172 }
173 break;
174 default:
175 assert(0); /* problem */
176 }
177
178 /* delete base class */
179 _mesa_delete_program( ctx, prog );
180 }
181
182
183 /**
184 * Called via ctx->Driver.ProgramStringNotify()
185 * Called when the program's text/code is changed. We have to free
186 * all shader variants and corresponding gallium shaders when this happens.
187 */
188 static GLboolean
st_program_string_notify(struct gl_context * ctx,GLenum target,struct gl_program * prog)189 st_program_string_notify( struct gl_context *ctx,
190 GLenum target,
191 struct gl_program *prog )
192 {
193 struct st_context *st = st_context(ctx);
194 gl_shader_stage stage = _mesa_program_enum_to_shader_stage(target);
195
196 if (target == GL_FRAGMENT_PROGRAM_ARB) {
197 struct st_fragment_program *stfp = (struct st_fragment_program *) prog;
198
199 st_release_fp_variants(st, stfp);
200 if (!st_translate_fragment_program(st, stfp))
201 return false;
202
203 if (st->fp == stfp)
204 st->dirty |= stfp->affected_states;
205 }
206 else if (target == GL_GEOMETRY_PROGRAM_NV) {
207 struct st_geometry_program *stgp = (struct st_geometry_program *) prog;
208
209 st_release_basic_variants(st, stgp->Base.Target, &stgp->variants,
210 &stgp->tgsi);
211 if (!st_translate_geometry_program(st, stgp))
212 return false;
213
214 if (st->gp == stgp)
215 st->dirty |= stgp->affected_states;
216 }
217 else if (target == GL_VERTEX_PROGRAM_ARB) {
218 struct st_vertex_program *stvp = (struct st_vertex_program *) prog;
219
220 st_release_vp_variants(st, stvp);
221 if (!st_translate_vertex_program(st, stvp))
222 return false;
223
224 if (st->vp == stvp)
225 st->dirty |= ST_NEW_VERTEX_PROGRAM(st, stvp);
226 }
227 else if (target == GL_TESS_CONTROL_PROGRAM_NV) {
228 struct st_tessctrl_program *sttcp =
229 (struct st_tessctrl_program *) prog;
230
231 st_release_basic_variants(st, sttcp->Base.Target, &sttcp->variants,
232 &sttcp->tgsi);
233 if (!st_translate_tessctrl_program(st, sttcp))
234 return false;
235
236 if (st->tcp == sttcp)
237 st->dirty |= sttcp->affected_states;
238 }
239 else if (target == GL_TESS_EVALUATION_PROGRAM_NV) {
240 struct st_tesseval_program *sttep =
241 (struct st_tesseval_program *) prog;
242
243 st_release_basic_variants(st, sttep->Base.Target, &sttep->variants,
244 &sttep->tgsi);
245 if (!st_translate_tesseval_program(st, sttep))
246 return false;
247
248 if (st->tep == sttep)
249 st->dirty |= sttep->affected_states;
250 }
251 else if (target == GL_COMPUTE_PROGRAM_NV) {
252 struct st_compute_program *stcp =
253 (struct st_compute_program *) prog;
254
255 st_release_cp_variants(st, stcp);
256 if (!st_translate_compute_program(st, stcp))
257 return false;
258
259 if (st->cp == stcp)
260 st->dirty |= stcp->affected_states;
261 }
262 else if (target == GL_FRAGMENT_SHADER_ATI) {
263 assert(prog);
264
265 struct st_fragment_program *stfp = (struct st_fragment_program *) prog;
266 assert(stfp->ati_fs);
267 assert(stfp->ati_fs->Program == prog);
268
269 st_init_atifs_prog(ctx, prog);
270
271 st_release_fp_variants(st, stfp);
272 if (!st_translate_fragment_program(st, stfp))
273 return false;
274
275 if (st->fp == stfp)
276 st->dirty |= stfp->affected_states;
277 }
278
279 if (ST_DEBUG & DEBUG_PRECOMPILE ||
280 st->shader_has_one_variant[stage])
281 st_precompile_shader_variant(st, prog);
282
283 return GL_TRUE;
284 }
285
286 /**
287 * Called via ctx->Driver.NewATIfs()
288 * Called in glEndFragmentShaderATI()
289 */
290 static struct gl_program *
st_new_ati_fs(struct gl_context * ctx,struct ati_fragment_shader * curProg)291 st_new_ati_fs(struct gl_context *ctx, struct ati_fragment_shader *curProg)
292 {
293 struct gl_program *prog = ctx->Driver.NewProgram(ctx, GL_FRAGMENT_PROGRAM_ARB,
294 curProg->Id, true);
295 struct st_fragment_program *stfp = (struct st_fragment_program *)prog;
296 stfp->ati_fs = curProg;
297 return prog;
298 }
299
300 /**
301 * Plug in the program and shader-related device driver functions.
302 */
303 void
st_init_program_functions(struct dd_function_table * functions)304 st_init_program_functions(struct dd_function_table *functions)
305 {
306 functions->NewProgram = st_new_program;
307 functions->DeleteProgram = st_delete_program;
308 functions->ProgramStringNotify = st_program_string_notify;
309 functions->NewATIfs = st_new_ati_fs;
310
311 functions->LinkShader = st_link_shader;
312 }
313