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checkpoint: updates for NV_vertex_program evaluators - a bit more left to do
[mesa.git] / src / mesa / tnl / t_imm_eval.c
1 /* $Id: t_imm_eval.c,v 1.24 2002/06/23 02:47:38 brianp Exp $ */
2
3 /*
4 * Mesa 3-D graphics library
5 * Version: 4.1
6 *
7 * Copyright (C) 1999-2002 Brian Paul All Rights Reserved.
8 *
9 * Permission is hereby granted, free of charge, to any person obtaining a
10 * copy of this software and associated documentation files (the "Software"),
11 * to deal in the Software without restriction, including without limitation
12 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
13 * and/or sell copies of the Software, and to permit persons to whom the
14 * Software is furnished to do so, subject to the following conditions:
15 *
16 * The above copyright notice and this permission notice shall be included
17 * in all copies or substantial portions of the Software.
18 *
19 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
20 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
21 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
22 * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
23 * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
24 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
25 *
26 * Authors:
27 * Keith Whitwell <keithw@valinux.com>
28 * Brian Paul - vertex program updates
29 */
30
31
32 #include "glheader.h"
33 #include "colormac.h"
34 #include "context.h"
35 #include "macros.h"
36 #include "mem.h"
37 #include "mmath.h"
38 #include "mtypes.h"
39 #include "math/m_eval.h"
40
41 #include "t_context.h"
42 #include "t_imm_debug.h"
43 #include "t_imm_eval.h"
44 #include "t_imm_exec.h"
45 #include "t_imm_fixup.h"
46 #include "t_imm_alloc.h"
47
48
49 static void eval_points1( GLfloat outcoord[][4],
50 GLfloat coord[][4],
51 const GLuint *flags,
52 GLfloat du, GLfloat u1 )
53 {
54 GLuint i;
55 for (i = 0 ; !(flags[i] & VERT_BIT_END_VB) ; i++)
56 if (flags[i] & VERT_BITS_EVAL_ANY) {
57 outcoord[i][0] = coord[i][0];
58 outcoord[i][1] = coord[i][1];
59 if (flags[i] & VERT_BIT_EVAL_P1)
60 outcoord[i][0] = coord[i][0] * du + u1;
61 }
62 }
63
64 static void eval_points2( GLfloat outcoord[][4],
65 GLfloat coord[][4],
66 const GLuint *flags,
67 GLfloat du, GLfloat u1,
68 GLfloat dv, GLfloat v1 )
69 {
70 GLuint i;
71 for (i = 0 ; !(flags[i] & VERT_BIT_END_VB) ; i++) {
72 if (flags[i] & VERT_BITS_EVAL_ANY) {
73 outcoord[i][0] = coord[i][0];
74 outcoord[i][1] = coord[i][1];
75 if (flags[i] & VERT_BIT_EVAL_P2) {
76 outcoord[i][0] = coord[i][0] * du + u1;
77 outcoord[i][1] = coord[i][1] * dv + v1;
78 }
79 }
80 }
81 }
82
83 static const GLubyte dirty_flags[5] = {
84 0, /* not possible */
85 VEC_DIRTY_0,
86 VEC_DIRTY_1,
87 VEC_DIRTY_2,
88 VEC_DIRTY_3
89 };
90
91
92 static void eval1_4f( GLvector4f *dest,
93 GLfloat coord[][4],
94 const GLuint *flags,
95 GLuint dimension,
96 const struct gl_1d_map *map )
97 {
98 const GLfloat u1 = map->u1;
99 const GLfloat du = map->du;
100 GLfloat (*to)[4] = dest->data;
101 GLuint i;
102
103 for (i = 0 ; !(flags[i] & VERT_BIT_END_VB) ; i++)
104 if (flags[i] & (VERT_BIT_EVAL_C1|VERT_BIT_EVAL_P1)) {
105 GLfloat u = (coord[i][0] - u1) * du;
106 ASSIGN_4V(to[i], 0,0,0,1);
107 _math_horner_bezier_curve(map->Points, to[i], u,
108 dimension, map->Order);
109 }
110
111 dest->size = MAX2(dest->size, dimension);
112 dest->flags |= dirty_flags[dimension];
113 }
114
115
116 /* as above, but dest is a gl_client_array */
117 static void eval1_4f_ca( struct gl_client_array *dest,
118 GLfloat coord[][4],
119 const GLuint *flags,
120 GLuint dimension,
121 const struct gl_1d_map *map )
122 {
123 const GLfloat u1 = map->u1;
124 const GLfloat du = map->du;
125 GLfloat (*to)[4] = (GLfloat (*)[4])dest->Ptr;
126 GLuint i;
127
128 ASSERT(dest->Type == GL_FLOAT);
129 ASSERT(dest->StrideB == 4 * sizeof(GLfloat));
130
131 for (i = 0 ; !(flags[i] & VERT_BIT_END_VB) ; i++)
132 if (flags[i] & (VERT_BIT_EVAL_C1|VERT_BIT_EVAL_P1)) {
133 GLfloat u = (coord[i][0] - u1) * du;
134 ASSIGN_4V(to[i], 0,0,0,1);
135 _math_horner_bezier_curve(map->Points, to[i], u,
136 dimension, map->Order);
137 }
138
139 dest->Size = MAX2(dest->Size, (GLint) dimension);
140 }
141
142
143 static void eval1_1ui( GLvector1ui *dest,
144 GLfloat coord[][4],
145 const GLuint *flags,
146 const struct gl_1d_map *map )
147 {
148 const GLfloat u1 = map->u1;
149 const GLfloat du = map->du;
150 GLuint *to = dest->data;
151 GLuint i;
152
153 for (i = 0 ; !(flags[i] & VERT_BIT_END_VB) ; i++)
154 if (flags[i] & (VERT_BIT_EVAL_C1|VERT_BIT_EVAL_P1)) {
155 GLfloat u = (coord[i][0] - u1) * du;
156 GLfloat tmp;
157 _math_horner_bezier_curve(map->Points, &tmp, u, 1, map->Order);
158 to[i] = (GLuint) (GLint) tmp;
159 }
160
161 }
162
163 static void eval1_norm( GLvector4f *dest,
164 GLfloat coord[][4],
165 const GLuint *flags,
166 const struct gl_1d_map *map )
167 {
168 const GLfloat u1 = map->u1;
169 const GLfloat du = map->du;
170 GLfloat (*to)[4] = dest->data;
171 GLuint i;
172
173 for (i = 0 ; !(flags[i] & VERT_BIT_END_VB) ; i++)
174 if (flags[i] & (VERT_BIT_EVAL_C1|VERT_BIT_EVAL_P1)) {
175 GLfloat u = (coord[i][0] - u1) * du;
176 _math_horner_bezier_curve(map->Points, to[i], u, 3, map->Order);
177 }
178 }
179
180
181 static void eval2_obj_norm( GLvector4f *obj_ptr,
182 GLvector4f *norm_ptr,
183 GLfloat coord[][4],
184 GLuint *flags,
185 GLuint dimension,
186 const struct gl_2d_map *map )
187 {
188 const GLfloat u1 = map->u1;
189 const GLfloat du = map->du;
190 const GLfloat v1 = map->v1;
191 const GLfloat dv = map->dv;
192 GLfloat (*obj)[4] = obj_ptr->data;
193 GLfloat (*normal)[4] = norm_ptr->data;
194 GLuint i;
195
196 for (i = 0 ; !(flags[i] & VERT_BIT_END_VB) ; i++)
197 if (flags[i] & (VERT_BIT_EVAL_C2|VERT_BIT_EVAL_P2)) {
198 GLfloat u = (coord[i][0] - u1) * du;
199 GLfloat v = (coord[i][1] - v1) * dv;
200 GLfloat du[4], dv[4];
201
202 ASSIGN_4V(obj[i], 0,0,0,1);
203 _math_de_casteljau_surf(map->Points, obj[i], du, dv, u, v, dimension,
204 map->Uorder, map->Vorder);
205
206 if (dimension == 4) {
207 du[0] = du[0]*obj[i][3] - du[3]*obj[i][0];
208 du[1] = du[1]*obj[i][3] - du[3]*obj[i][1];
209 du[2] = du[2]*obj[i][3] - du[3]*obj[i][2];
210
211 dv[0] = dv[0]*obj[i][3] - dv[3]*obj[i][0];
212 dv[1] = dv[1]*obj[i][3] - dv[3]*obj[i][1];
213 dv[2] = dv[2]*obj[i][3] - dv[3]*obj[i][2];
214 }
215
216 CROSS3(normal[i], du, dv);
217 NORMALIZE_3FV(normal[i]);
218 }
219
220 obj_ptr->size = MAX2(obj_ptr->size, dimension);
221 obj_ptr->flags |= dirty_flags[dimension];
222 }
223
224
225 static void eval2_4f( GLvector4f *dest,
226 GLfloat coord[][4],
227 const GLuint *flags,
228 GLuint dimension,
229 const struct gl_2d_map *map )
230 {
231 const GLfloat u1 = map->u1;
232 const GLfloat du = map->du;
233 const GLfloat v1 = map->v1;
234 const GLfloat dv = map->dv;
235 GLfloat (*to)[4] = dest->data;
236 GLuint i;
237
238 for (i = 0 ; !(flags[i] & VERT_BIT_END_VB) ; i++)
239 if (flags[i] & (VERT_BIT_EVAL_C2|VERT_BIT_EVAL_P2)) {
240 GLfloat u = (coord[i][0] - u1) * du;
241 GLfloat v = (coord[i][1] - v1) * dv;
242
243 _math_horner_bezier_surf(map->Points, to[i], u, v, dimension,
244 map->Uorder, map->Vorder);
245 }
246
247 dest->size = MAX2(dest->size, dimension);
248 dest->flags |= dirty_flags[dimension];
249 }
250
251
252 /* as above, but dest is a gl_client_array */
253 static void eval2_4f_ca( struct gl_client_array *dest,
254 GLfloat coord[][4],
255 const GLuint *flags,
256 GLuint dimension,
257 const struct gl_2d_map *map )
258 {
259 const GLfloat u1 = map->u1;
260 const GLfloat du = map->du;
261 const GLfloat v1 = map->v1;
262 const GLfloat dv = map->dv;
263 GLfloat (*to)[4] = (GLfloat (*)[4])dest->Ptr;
264 GLuint i;
265
266 ASSERT(dest->Type == GL_FLOAT);
267 ASSERT(dest->StrideB == 4 * sizeof(GLfloat));
268
269 for (i = 0 ; !(flags[i] & VERT_BIT_END_VB) ; i++)
270 if (flags[i] & (VERT_BIT_EVAL_C2|VERT_BIT_EVAL_P2)) {
271 GLfloat u = (coord[i][0] - u1) * du;
272 GLfloat v = (coord[i][1] - v1) * dv;
273 _math_horner_bezier_surf(map->Points, to[i], u, v, dimension,
274 map->Uorder, map->Vorder);
275 }
276
277 dest->Size = MAX2(dest->Size, (GLint) dimension);
278 }
279
280
281 static void eval2_norm( GLvector4f *dest,
282 GLfloat coord[][4],
283 GLuint *flags,
284 const struct gl_2d_map *map )
285 {
286 const GLfloat u1 = map->u1;
287 const GLfloat du = map->du;
288 const GLfloat v1 = map->v1;
289 const GLfloat dv = map->dv;
290 GLfloat (*to)[4] = dest->data;
291 GLuint i;
292
293 for (i = 0 ; !(flags[i] & VERT_BIT_END_VB) ; i++) {
294 if (flags[i] & (VERT_BIT_EVAL_C2|VERT_BIT_EVAL_P2)) {
295 GLfloat u = (coord[i][0] - u1) * du;
296 GLfloat v = (coord[i][1] - v1) * dv;
297 _math_horner_bezier_surf(map->Points, to[i], u, v, 3,
298 map->Uorder, map->Vorder);
299 }
300 }
301 }
302
303
304 static void eval2_1ui( GLvector1ui *dest,
305 GLfloat coord[][4],
306 const GLuint *flags,
307 const struct gl_2d_map *map )
308 {
309 const GLfloat u1 = map->u1;
310 const GLfloat du = map->du;
311 const GLfloat v1 = map->v1;
312 const GLfloat dv = map->dv;
313 GLuint *to = dest->data;
314 GLuint i;
315
316 for (i = 0 ; !(flags[i] & VERT_BIT_END_VB) ; i++)
317 if (flags[i] & (VERT_BIT_EVAL_C2|VERT_BIT_EVAL_P2)) {
318 GLfloat u = (coord[i][0] - u1) * du;
319 GLfloat v = (coord[i][1] - v1) * dv;
320 GLfloat tmp;
321 _math_horner_bezier_surf(map->Points, &tmp, u, v, 1,
322 map->Uorder, map->Vorder);
323
324 to[i] = (GLuint) (GLint) tmp;
325 }
326 }
327
328
329 static void copy_4f( GLfloat to[][4], GLfloat from[][4], GLuint count )
330 {
331 MEMCPY( to, from, count * sizeof(to[0]));
332 }
333
334 static void copy_4f_stride( GLfloat to[][4], const GLfloat *from,
335 GLuint stride, GLuint count )
336 {
337 if (stride == 4 * sizeof(GLfloat))
338 MEMCPY( to, from, count * sizeof(to[0]));
339 else {
340 GLuint i;
341 for (i = 0 ; i < count ; i++, STRIDE_F(from, stride))
342 COPY_4FV( to[i], from );
343 }
344 }
345
346 static void copy_3f( GLfloat to[][4], GLfloat from[][4], GLuint count )
347 {
348 GLuint i;
349 for (i = 0 ; i < count ; i++) {
350 COPY_3FV(to[i], from[i]);
351 }
352 }
353
354
355 static void copy_1ui( GLuint to[], const GLuint from[], GLuint count )
356 {
357 MEMCPY( to, from, (count) * sizeof(to[0]));
358 }
359
360
361
362 /* Translate eval enabled flags to VERT_* flags.
363 */
364 static void update_eval( GLcontext *ctx )
365 {
366 TNLcontext *tnl = TNL_CONTEXT(ctx);
367 GLuint eval1 = 0, eval2 = 0;
368 GLuint i;
369
370 if (ctx->Eval.Map1Index)
371 eval1 |= VERT_BIT_INDEX;
372
373 if (ctx->Eval.Map2Index)
374 eval2 |= VERT_BIT_INDEX;
375
376 if (ctx->Eval.Map1Color4)
377 eval1 |= VERT_BIT_COLOR0;
378
379 if (ctx->Eval.Map2Color4)
380 eval2 |= VERT_BIT_COLOR0;
381
382 if (ctx->Eval.Map1Normal)
383 eval1 |= VERT_BIT_NORMAL;
384
385 if (ctx->Eval.Map2Normal)
386 eval2 |= VERT_BIT_NORMAL;
387
388 if (ctx->Eval.Map1TextureCoord4 ||
389 ctx->Eval.Map1TextureCoord3 ||
390 ctx->Eval.Map1TextureCoord2 ||
391 ctx->Eval.Map1TextureCoord1)
392 eval1 |= VERT_BIT_TEX0;
393
394 if (ctx->Eval.Map2TextureCoord4 ||
395 ctx->Eval.Map2TextureCoord3 ||
396 ctx->Eval.Map2TextureCoord2 ||
397 ctx->Eval.Map2TextureCoord1)
398 eval2 |= VERT_BIT_TEX0;
399
400 if (ctx->Eval.Map1Vertex4)
401 eval1 |= VERT_BITS_OBJ_234;
402
403 if (ctx->Eval.Map1Vertex3)
404 eval1 |= VERT_BITS_OBJ_23;
405
406 if (ctx->Eval.Map2Vertex4) {
407 if (ctx->Eval.AutoNormal)
408 eval2 |= VERT_BITS_OBJ_234 | VERT_BIT_NORMAL;
409 else
410 eval2 |= VERT_BITS_OBJ_234;
411 }
412 else if (ctx->Eval.Map2Vertex3) {
413 if (ctx->Eval.AutoNormal)
414 eval2 |= VERT_BITS_OBJ_23 | VERT_BIT_NORMAL;
415 else
416 eval2 |= VERT_BITS_OBJ_23;
417 }
418
419 tnl->eval.EvalMap1Flags = eval1;
420 tnl->eval.EvalMap2Flags = eval2;
421
422 /* GL_NV_vertex_program evaluators */
423 eval1 = eval2 = 0;
424 for (i = 0; i < VERT_ATTRIB_MAX; i++) {
425 if (ctx->Eval.Map1Attrib[i])
426 eval1 |= (1 << i);
427 if (ctx->Eval.Map2Attrib[i])
428 eval2 |= (1 << i);
429 }
430 tnl->eval.EvalMap1AttribFlags = eval1;
431 tnl->eval.EvalMap2AttribFlags = eval2;
432
433 tnl->eval.EvalNewState = 0;
434 }
435
436
437 /* This looks a lot like a pipeline stage, but for various reasons is
438 * better handled outside the pipeline, and considered the final stage
439 * of fixing up an immediate struct for execution.
440 *
441 * Really want to cache the results of this function in display lists,
442 * at least for EvalMesh commands.
443 */
444 void _tnl_eval_immediate( GLcontext *ctx, struct immediate *IM )
445 {
446 TNLcontext *tnl = TNL_CONTEXT(ctx);
447 struct vertex_arrays *tmp = &tnl->imm_inputs;
448 struct immediate *store = tnl->eval.im;
449 GLuint *flags = IM->Flag + IM->CopyStart;
450 GLuint copycount;
451 GLuint orflag = IM->OrFlag;
452 GLuint any_eval1 = orflag & (VERT_BIT_EVAL_C1|VERT_BIT_EVAL_P1);
453 GLuint any_eval2 = orflag & (VERT_BIT_EVAL_C2|VERT_BIT_EVAL_P2);
454 GLuint req = 0;
455 GLuint purge_flags = 0;
456 GLfloat (*coord)[4] = IM->Attrib[VERT_ATTRIB_POS] + IM->CopyStart;
457
458 if (IM->AndFlag & VERT_BITS_EVAL_ANY)
459 copycount = IM->Start - IM->CopyStart; /* just copy copied vertices */
460 else
461 copycount = IM->Count - IM->CopyStart; /* copy all vertices */
462
463 if (!store)
464 store = tnl->eval.im = _tnl_alloc_immediate( ctx );
465
466 if (tnl->eval.EvalNewState & _NEW_EVAL)
467 update_eval( ctx );
468
469 if (any_eval1) {
470 req |= tnl->pipeline.inputs
471 & (tnl->eval.EvalMap1Flags | tnl->eval.EvalMap1AttribFlags);
472
473 if (!ctx->Eval.Map1Vertex4 && !ctx->Eval.Map1Vertex3 &&
474 !ctx->Eval.Map1Attrib[0])
475 purge_flags = (VERT_BIT_EVAL_P1|VERT_BIT_EVAL_C1);
476
477 if (orflag & VERT_BIT_EVAL_P1) {
478 eval_points1( store->Attrib[VERT_ATTRIB_POS] + IM->CopyStart,
479 coord, flags,
480 ctx->Eval.MapGrid1du,
481 ctx->Eval.MapGrid1u1);
482
483 coord = store->Attrib[VERT_ATTRIB_POS] + IM->CopyStart;
484 }
485 }
486
487 if (any_eval2) {
488 req |= tnl->pipeline.inputs
489 & (tnl->eval.EvalMap2Flags | tnl->eval.EvalMap2AttribFlags);
490
491 if (!ctx->Eval.Map2Vertex4 && !ctx->Eval.Map2Vertex3 &&
492 !ctx->Eval.Map2Attrib[0])
493 purge_flags |= (VERT_BIT_EVAL_P2|VERT_BIT_EVAL_C2);
494
495 if (orflag & VERT_BIT_EVAL_P2) {
496 eval_points2( store->Attrib[VERT_ATTRIB_POS] + IM->CopyStart,
497 coord, flags,
498 ctx->Eval.MapGrid2du,
499 ctx->Eval.MapGrid2u1,
500 ctx->Eval.MapGrid2dv,
501 ctx->Eval.MapGrid2v1 );
502
503 coord = store->Attrib[VERT_ATTRIB_POS] + IM->CopyStart;
504 }
505 }
506
507 /* Perform the evaluations on active data elements.
508 */
509 if (req & VERT_BIT_INDEX) {
510 GLuint generated = 0;
511
512 if (copycount)
513 copy_1ui( store->Index + IM->CopyStart, tmp->Index.data, copycount );
514
515 tmp->Index.data = store->Index + IM->CopyStart;
516 tmp->Index.start = store->Index + IM->CopyStart;
517
518 if (ctx->Eval.Map1Index && any_eval1) {
519 eval1_1ui( &tmp->Index, coord, flags, &ctx->EvalMap.Map1Index );
520 generated |= VERT_BIT_EVAL_C1|VERT_BIT_EVAL_P1;
521 }
522
523 if (ctx->Eval.Map2Index && any_eval2) {
524 eval2_1ui( &tmp->Index, coord, flags, &ctx->EvalMap.Map2Index );
525 generated |= VERT_BIT_EVAL_C2|VERT_BIT_EVAL_P2;
526 }
527 }
528
529 if (req & VERT_BIT_COLOR0) {
530 GLuint generated = 0;
531
532 if (copycount)
533 copy_4f_stride( store->Attrib[VERT_ATTRIB_COLOR0] + IM->CopyStart,
534 (GLfloat *)tmp->Color.Ptr,
535 tmp->Color.StrideB,
536 copycount );
537
538 tmp->Color.Ptr = store->Attrib[VERT_ATTRIB_COLOR0] + IM->CopyStart;
539 tmp->Color.StrideB = 4 * sizeof(GLfloat);
540 tmp->Color.Flags = 0;
541 tnl->vb.importable_data &= ~VERT_BIT_COLOR0;
542
543 #if 1
544 /*tmp->Attribs[0].count = count;*/
545 tmp->Attribs[3].data = store->Attrib[3] + IM->CopyStart;
546 tmp->Attribs[3].start = (GLfloat *) tmp->Attribs[3].data;
547 tmp->Attribs[3].size = 0;
548 #endif
549
550 /* Vertex program maps have priority over conventional attribs */
551 if (any_eval1) {
552 if (ctx->VertexProgram.Enabled
553 && ctx->Eval.Map1Attrib[VERT_ATTRIB_COLOR0]) {
554 eval1_4f_ca( &tmp->Color, coord, flags, 4,
555 &ctx->EvalMap.Map1Attrib[VERT_ATTRIB_COLOR0] );
556 generated |= VERT_BIT_EVAL_C1|VERT_BIT_EVAL_P1;
557 }
558 else if (ctx->Eval.Map1Color4) {
559 eval1_4f_ca( &tmp->Color, coord, flags, 4,
560 &ctx->EvalMap.Map1Color4 );
561 generated |= VERT_BIT_EVAL_C1|VERT_BIT_EVAL_P1;
562 }
563 }
564
565 if (any_eval2) {
566 if (ctx->VertexProgram.Enabled
567 && ctx->Eval.Map2Attrib[VERT_ATTRIB_COLOR0]) {
568 eval2_4f_ca( &tmp->Color, coord, flags, 4,
569 &ctx->EvalMap.Map2Attrib[VERT_ATTRIB_COLOR0] );
570 generated |= VERT_BIT_EVAL_C2|VERT_BIT_EVAL_P2;
571 }
572 else if (ctx->Eval.Map2Color4) {
573 eval2_4f_ca( &tmp->Color, coord, flags, 4,
574 &ctx->EvalMap.Map2Color4 );
575 generated |= VERT_BIT_EVAL_C2|VERT_BIT_EVAL_P2;
576 }
577 }
578 }
579
580 if (req & VERT_BIT_TEX0) {
581 GLuint generated = 0;
582
583 if (copycount)
584 copy_4f( store->Attrib[VERT_ATTRIB_TEX0] + IM->CopyStart,
585 tmp->TexCoord[0].data, copycount );
586 else
587 tmp->TexCoord[0].size = 0;
588
589 tmp->TexCoord[0].data = store->Attrib[VERT_ATTRIB_TEX0] + IM->CopyStart;
590 tmp->TexCoord[0].start = (GLfloat *)tmp->TexCoord[0].data;
591
592 /* Vertex program maps have priority over conventional attribs */
593 if (any_eval1) {
594 if (ctx->VertexProgram.Enabled
595 && ctx->Eval.Map1Attrib[VERT_ATTRIB_TEX0]) {
596 eval1_4f( &tmp->TexCoord[0], coord, flags, 4,
597 &ctx->EvalMap.Map1Attrib[VERT_ATTRIB_TEX0] );
598 generated |= VERT_BIT_EVAL_C1|VERT_BIT_EVAL_P1;
599 }
600 else if (ctx->Eval.Map1TextureCoord4) {
601 eval1_4f( &tmp->TexCoord[0], coord, flags, 4,
602 &ctx->EvalMap.Map1Texture4 );
603 generated |= VERT_BIT_EVAL_C1|VERT_BIT_EVAL_P1;
604 }
605 else if (ctx->Eval.Map1TextureCoord3) {
606 eval1_4f( &tmp->TexCoord[0], coord, flags, 3,
607 &ctx->EvalMap.Map1Texture3 );
608 generated |= VERT_BIT_EVAL_C1|VERT_BIT_EVAL_P1;
609 }
610 else if (ctx->Eval.Map1TextureCoord2) {
611 eval1_4f( &tmp->TexCoord[0], coord, flags, 2,
612 &ctx->EvalMap.Map1Texture2 );
613 generated |= VERT_BIT_EVAL_C1|VERT_BIT_EVAL_P1;
614 }
615 else if (ctx->Eval.Map1TextureCoord1) {
616 eval1_4f( &tmp->TexCoord[0], coord, flags, 1,
617 &ctx->EvalMap.Map1Texture1 );
618 generated |= VERT_BIT_EVAL_C1|VERT_BIT_EVAL_P1;
619 }
620 }
621
622 if (any_eval2) {
623 if (ctx->VertexProgram.Enabled
624 && ctx->Eval.Map2Attrib[VERT_ATTRIB_TEX0]) {
625 eval2_4f( &tmp->TexCoord[0], coord, flags, 4,
626 &ctx->EvalMap.Map2Attrib[VERT_ATTRIB_TEX0] );
627 generated |= VERT_BIT_EVAL_C1|VERT_BIT_EVAL_P1;
628 }
629 else if (ctx->Eval.Map2TextureCoord4) {
630 eval2_4f( &tmp->TexCoord[0], coord, flags, 4,
631 &ctx->EvalMap.Map2Texture4 );
632 generated |= VERT_BIT_EVAL_C2|VERT_BIT_EVAL_P2;
633 }
634 else if (ctx->Eval.Map2TextureCoord3) {
635 eval2_4f( &tmp->TexCoord[0], coord, flags, 3,
636 &ctx->EvalMap.Map2Texture3 );
637 generated |= VERT_BIT_EVAL_C2|VERT_BIT_EVAL_P2;
638 }
639 else if (ctx->Eval.Map2TextureCoord2) {
640 eval2_4f( &tmp->TexCoord[0], coord, flags, 2,
641 &ctx->EvalMap.Map2Texture2 );
642 generated |= VERT_BIT_EVAL_C2|VERT_BIT_EVAL_P2;
643 }
644 else if (ctx->Eval.Map2TextureCoord1) {
645 eval2_4f( &tmp->TexCoord[0], coord, flags, 1,
646 &ctx->EvalMap.Map2Texture1 );
647 generated |= VERT_BIT_EVAL_C2|VERT_BIT_EVAL_P2;
648 }
649 }
650 }
651
652 if (req & VERT_BIT_NORMAL) {
653 GLuint generated = 0;
654
655 if (copycount) {
656 copy_3f( store->Attrib[VERT_ATTRIB_NORMAL] + IM->CopyStart,
657 tmp->Normal.data, copycount );
658 }
659
660 tmp->Normal.data = store->Attrib[VERT_ATTRIB_NORMAL] + IM->CopyStart;
661 tmp->Normal.start = (GLfloat *)tmp->Normal.data;
662
663 if (any_eval1) {
664 if (ctx->VertexProgram.Enabled &&
665 ctx->Eval.Map1Attrib[VERT_ATTRIB_NORMAL]) {
666 eval1_norm( &tmp->Normal, coord, flags,
667 &ctx->EvalMap.Map1Attrib[VERT_ATTRIB_NORMAL] );
668 generated |= VERT_BIT_EVAL_C1|VERT_BIT_EVAL_P1;
669 }
670 else if (ctx->Eval.Map1Normal) {
671 eval1_norm( &tmp->Normal, coord, flags, &ctx->EvalMap.Map1Normal );
672 generated |= VERT_BIT_EVAL_C1|VERT_BIT_EVAL_P1;
673 }
674 }
675
676 if (any_eval2) {
677 if (ctx->VertexProgram.Enabled &&
678 ctx->Eval.Map2Attrib[VERT_ATTRIB_NORMAL]) {
679 eval2_norm( &tmp->Normal, coord, flags,
680 &ctx->EvalMap.Map2Attrib[VERT_ATTRIB_NORMAL] );
681 generated |= VERT_BIT_EVAL_C2|VERT_BIT_EVAL_P2;
682 }
683 else if (ctx->Eval.Map2Normal) {
684 eval2_norm( &tmp->Normal, coord, flags, &ctx->EvalMap.Map2Normal );
685 generated |= VERT_BIT_EVAL_C2|VERT_BIT_EVAL_P2;
686 }
687 }
688 }
689
690 /* In the AutoNormal case, the copy and assignment of tmp->NormalPtr
691 * are done above.
692 */
693 if (req & VERT_BIT_POS) {
694 if (copycount) {
695 /* This copy may already have occurred when eliminating
696 * glEvalPoint calls:
697 */
698 if (coord != store->Attrib[VERT_ATTRIB_POS] + IM->CopyStart) {
699 copy_4f( store->Attrib[VERT_ATTRIB_POS] + IM->CopyStart,
700 tmp->Obj.data, copycount );
701 }
702 }
703 else {
704 tmp->Obj.size = 0;
705 }
706
707 tmp->Obj.data = store->Attrib[VERT_ATTRIB_POS] + IM->CopyStart;
708 tmp->Obj.start = (GLfloat *) tmp->Obj.data;
709
710 #if 1
711 /*tmp->Attribs[0].count = count;*/
712 tmp->Attribs[0].data = store->Attrib[0] + IM->CopyStart;
713 tmp->Attribs[0].start = (GLfloat *) tmp->Attribs[0].data;
714 tmp->Attribs[0].size = 0;
715 #endif
716
717 /* Note: Normal data is already prepared above.
718 */
719
720 if (any_eval1) {
721 if (ctx->VertexProgram.Enabled &&
722 ctx->Eval.Map1Attrib[VERT_ATTRIB_POS]) {
723 eval1_4f( &tmp->Obj, coord, flags, 4,
724 &ctx->EvalMap.Map1Attrib[VERT_ATTRIB_POS] );
725 }
726 else if (ctx->Eval.Map1Vertex4) {
727 eval1_4f( &tmp->Obj, coord, flags, 4,
728 &ctx->EvalMap.Map1Vertex4 );
729 }
730 else if (ctx->Eval.Map1Vertex3) {
731 eval1_4f( &tmp->Obj, coord, flags, 3,
732 &ctx->EvalMap.Map1Vertex3 );
733 }
734 }
735
736 if (any_eval2) {
737 if (ctx->VertexProgram.Enabled &&
738 ctx->Eval.Map2Attrib[VERT_ATTRIB_POS]) {
739 if (ctx->Eval.AutoNormal && (req & VERT_BIT_NORMAL))
740 eval2_obj_norm( &tmp->Obj, &tmp->Normal, coord, flags, 4,
741 &ctx->EvalMap.Map2Attrib[VERT_ATTRIB_POS] );
742 else
743 eval2_4f( &tmp->Obj, coord, flags, 4,
744 &ctx->EvalMap.Map2Attrib[VERT_ATTRIB_POS] );
745 }
746 else if (ctx->Eval.Map2Vertex4) {
747 if (ctx->Eval.AutoNormal && (req & VERT_BIT_NORMAL))
748 eval2_obj_norm( &tmp->Obj, &tmp->Normal, coord, flags, 4,
749 &ctx->EvalMap.Map2Vertex4 );
750 else
751 eval2_4f( &tmp->Obj, coord, flags, 4,
752 &ctx->EvalMap.Map2Vertex4 );
753 }
754 else if (ctx->Eval.Map2Vertex3) {
755 if (ctx->Eval.AutoNormal && (req & VERT_BIT_NORMAL))
756 eval2_obj_norm( &tmp->Obj, &tmp->Normal, coord, flags, 3,
757 &ctx->EvalMap.Map2Vertex3 );
758 else
759 eval2_4f( &tmp->Obj, coord, flags, 3,
760 &ctx->EvalMap.Map2Vertex3 );
761 }
762 }
763 }
764
765
766 if (0/*ctx->VertexProgram.Enabled*/) {
767 /* we already evaluated position, normal, color and texture 0 above */
768 const GLuint skipBits = (VERT_BIT_POS |
769 VERT_BIT_NORMAL |
770 VERT_BIT_COLOR0 |
771 VERT_BIT_TEX0);
772 GLuint generated = 0;
773 GLuint attr;
774 for (attr = 0; attr < VERT_ATTRIB_MAX; attr++) {
775 if ((1 << attr) & req & ~skipBits) {
776 if (any_eval1 && ctx->Eval.Map1Attrib[attr]) {
777 /* evaluate 1-D vertex attrib map [i] */
778 eval1_4f( &tmp->Attribs[attr], coord, flags, 4,
779 &ctx->EvalMap.Map1Attrib[attr] );
780 generated |= VERT_BIT_EVAL_C1|VERT_BIT_EVAL_P1;
781 }
782 if (any_eval2 && ctx->Eval.Map2Attrib[attr]) {
783 /* evaluate 2-D vertex attrib map [i] */
784 eval2_4f( &tmp->Attribs[attr], coord, flags, 4,
785 &ctx->EvalMap.Map2Attrib[attr] );
786 generated |= VERT_BIT_EVAL_C1|VERT_BIT_EVAL_P1;
787 }
788 }
789 }
790 }
791
792 /* Calculate new IM->Elts, IM->Primitive, IM->PrimitiveLength for
793 * the case where vertex maps are not enabled for some received
794 * eval coordinates. In this case those slots in the immediate
795 * must be ignored.
796 */
797 if (purge_flags) {
798 const GLuint vertex = VERT_BIT_POS|(VERT_BITS_EVAL_ANY & ~purge_flags);
799 GLuint last_new_prim = 0;
800 GLuint new_prim_length = 0;
801 GLuint next_old_prim = 0;
802 struct vertex_buffer *VB = &tnl->vb;
803 const GLuint count = VB->Count;
804 GLuint i, j;
805
806 for (i = 0, j = 0 ; i < count ; i++) {
807 if (flags[i] & vertex) {
808 store->Elt[j++] = i;
809 new_prim_length++;
810 }
811 if (i == next_old_prim) {
812 next_old_prim += VB->PrimitiveLength[i];
813 VB->PrimitiveLength[last_new_prim] = new_prim_length;
814 VB->Primitive[j] = VB->Primitive[i];
815 last_new_prim = j;
816 }
817 }
818
819 VB->Elts = store->Elt;
820 _tnl_get_purged_copy_verts( ctx, store );
821 }
822
823 /* Produce new flags array:
824 */
825 {
826 const GLuint count = tnl->vb.Count + 1;
827 GLuint i;
828
829 copy_1ui( store->Flag, flags, count );
830 tnl->vb.Flag = store->Flag;
831 for (i = 0 ; i < count ; i++)
832 store->Flag[i] |= req;
833 IM->Evaluated = req; /* hack for copying. */
834 }
835 }