src/mesa/main/api_arrayelt.c

   1 /*
   2  * Mesa 3-D graphics library
   3  * Version:  6.3
   4  *
   5  * Copyright (C) 1999-2004  Brian Paul   All Rights Reserved.
   6  *
   7  * Permission is hereby granted, free of charge, to any person obtaining a
   8  * copy of this software and associated documentation files (the "Software"),
   9  * to deal in the Software without restriction, including without limitation
  10  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
  11  * and/or sell copies of the Software, and to permit persons to whom the
  12  * Software is furnished to do so, subject to the following conditions:
  13  *
  14  * The above copyright notice and this permission notice shall be included
  15  * in all copies or substantial portions of the Software.
  16  *
  17  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
  18  * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  19  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
  20  * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
  21  * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
  22  * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  23  */
  24
  25 /* Author:
  26  *    Keith Whitwell <keith@tungstengraphics.com>
  27  */
  28
  29 #include "glheader.h"
  30 #include "api_arrayelt.h"
  31 #include "context.h"
  32 #include "glapi.h"
  33 #include "imports.h"
  34 #include "macros.h"
  35 #include "mtypes.h"
  36 #include "glapioffsets.h"
  37 #include "dispatch.h"
  38
  39 typedef void (GLAPIENTRY *array_func)( const void * );
  40
  41 typedef struct {
  42    const struct gl_client_array *array;
  43    int offset;
  44 } AEarray;
  45
  46 typedef void (GLAPIENTRY *attrib_func)( GLuint indx, const void *data );
  47
  48 typedef struct {
  49    const struct gl_client_array *array;
  50    attrib_func func;
  51    GLuint index;
  52 } AEattrib;
  53
  54 typedef struct {
  55    AEarray arrays[32];
  56    AEattrib attribs[VERT_ATTRIB_MAX + 1];
  57    GLuint NewState;
  58 } AEcontext;
  59
  60 #define AE_CONTEXT(ctx) ((AEcontext *)(ctx)->aelt_context)
  61
  62
  63 /*
  64  * Convert GL_BYTE, GL_UNSIGNED_BYTE, .. GL_DOUBLE into an integer
  65  * in the range [0, 7].  Luckily these type tokens are sequentially
  66  * numbered in gl.h, except for GL_DOUBLE.
  67  */
  68 #define TYPE_IDX(t) ( (t) == GL_DOUBLE ? 7 : (t) & 7 )
  69
  70 static const int ColorFuncs[2][8] = {
  71    {
  72       _gloffset_Color3bv,
  73       _gloffset_Color3ubv,
  74       _gloffset_Color3sv,
  75       _gloffset_Color3usv,
  76       _gloffset_Color3iv,
  77       _gloffset_Color3uiv,
  78       _gloffset_Color3fv,
  79       _gloffset_Color3dv,
  80    },
  81    {
  82       _gloffset_Color4bv,
  83       _gloffset_Color4ubv,
  84       _gloffset_Color4sv,
  85       _gloffset_Color4usv,
  86       _gloffset_Color4iv,
  87       _gloffset_Color4uiv,
  88       _gloffset_Color4fv,
  89       _gloffset_Color4dv,
  90    },
  91 };
  92
  93 static const int VertexFuncs[3][8] = {
  94    {
  95       -1,
  96       -1,
  97       _gloffset_Vertex2sv,
  98       -1,
  99       _gloffset_Vertex2iv,
 100       -1,
 101       _gloffset_Vertex2fv,
 102       _gloffset_Vertex2dv,
 103    },
 104    {
 105       -1,
 106       -1,
 107       _gloffset_Vertex3sv,
 108       -1,
 109       _gloffset_Vertex3iv,
 110       -1,
 111       _gloffset_Vertex3fv,
 112       _gloffset_Vertex3dv,
 113    },
 114    {
 115       -1,
 116       -1,
 117       _gloffset_Vertex4sv,
 118       -1,
 119       _gloffset_Vertex4iv,
 120       -1,
 121       _gloffset_Vertex4fv,
 122       _gloffset_Vertex4dv,
 123    },
 124 };
 125
 126 static const int IndexFuncs[8] = {
 127    -1,
 128    _gloffset_Indexubv,
 129    _gloffset_Indexsv,
 130    -1,
 131    _gloffset_Indexiv,
 132    -1,
 133    _gloffset_Indexfv,
 134    _gloffset_Indexdv,
 135 };
 136
 137 static const int NormalFuncs[8] = {
 138    _gloffset_Normal3bv,
 139    -1,
 140    _gloffset_Normal3sv,
 141    -1,
 142    _gloffset_Normal3iv,
 143    -1,
 144    _gloffset_Normal3fv,
 145    _gloffset_Normal3dv,
 146 };
 147
 148 static const int SecondaryColorFuncs[8] = {
 149    _gloffset_SecondaryColor3bvEXT,
 150    _gloffset_SecondaryColor3ubvEXT,
 151    _gloffset_SecondaryColor3svEXT,
 152    _gloffset_SecondaryColor3usvEXT,
 153    _gloffset_SecondaryColor3ivEXT,
 154    _gloffset_SecondaryColor3uivEXT,
 155    _gloffset_SecondaryColor3fvEXT,
 156    _gloffset_SecondaryColor3dvEXT,
 157 };
 158
 159 static const int FogCoordFuncs[8] = {
 160    -1,
 161    -1,
 162    -1,
 163    -1,
 164    -1,
 165    -1,
 166    _gloffset_FogCoordfvEXT,
 167    _gloffset_FogCoorddvEXT
 168 };
 169
 170 /**********************************************************************/
 171
 172 /* GL_BYTE attributes */
 173
 174 static void GLAPIENTRY VertexAttrib1NbvNV(GLuint index, const GLbyte *v)
 175 {
 176    CALL_VertexAttrib1fNV(GET_DISPATCH(), (index, BYTE_TO_FLOAT(v[0])));
 177 }
 178
 179 static void GLAPIENTRY VertexAttrib1bvNV(GLuint index, const GLbyte *v)
 180 {
 181    CALL_VertexAttrib1fNV(GET_DISPATCH(), (index, v[0]));
 182 }
 183
 184 static void GLAPIENTRY VertexAttrib2NbvNV(GLuint index, const GLbyte *v)
 185 {
 186    CALL_VertexAttrib2fNV(GET_DISPATCH(), (index, BYTE_TO_FLOAT(v[0]), BYTE_TO_FLOAT(v[1])));
 187 }
 188
 189 static void GLAPIENTRY VertexAttrib2bvNV(GLuint index, const GLbyte *v)
 190 {
 191    CALL_VertexAttrib2fNV(GET_DISPATCH(), (index, v[0], v[1]));
 192 }
 193
 194 static void GLAPIENTRY VertexAttrib3NbvNV(GLuint index, const GLbyte *v)
 195 {
 196    CALL_VertexAttrib3fNV(GET_DISPATCH(), (index, BYTE_TO_FLOAT(v[0]),
 197                                                BYTE_TO_FLOAT(v[1]),
 198                                                BYTE_TO_FLOAT(v[2])));
 199 }
 200
 201 static void GLAPIENTRY VertexAttrib3bvNV(GLuint index, const GLbyte *v)
 202 {
 203    CALL_VertexAttrib3fNV(GET_DISPATCH(), (index, v[0], v[1], v[2]));
 204 }
 205
 206 static void GLAPIENTRY VertexAttrib4NbvNV(GLuint index, const GLbyte *v)
 207 {
 208    CALL_VertexAttrib4fNV(GET_DISPATCH(), (index, BYTE_TO_FLOAT(v[0]),
 209                                                BYTE_TO_FLOAT(v[1]),
 210                                                BYTE_TO_FLOAT(v[2]),
 211                                                BYTE_TO_FLOAT(v[3])));
 212 }
 213
 214 static void GLAPIENTRY VertexAttrib4bvNV(GLuint index, const GLbyte *v)
 215 {
 216    CALL_VertexAttrib4fNV(GET_DISPATCH(), (index, v[0], v[1], v[2], v[3]));
 217 }
 218
 219 /* GL_UNSIGNED_BYTE attributes */
 220
 221 static void GLAPIENTRY VertexAttrib1NubvNV(GLuint index, const GLubyte *v)
 222 {
 223    CALL_VertexAttrib1fNV(GET_DISPATCH(), (index, UBYTE_TO_FLOAT(v[0])));
 224 }
 225
 226 static void GLAPIENTRY VertexAttrib1ubvNV(GLuint index, const GLubyte *v)
 227 {
 228    CALL_VertexAttrib1fNV(GET_DISPATCH(), (index, v[0]));
 229 }
 230
 231 static void GLAPIENTRY VertexAttrib2NubvNV(GLuint index, const GLubyte *v)
 232 {
 233    CALL_VertexAttrib2fNV(GET_DISPATCH(), (index, UBYTE_TO_FLOAT(v[0]),
 234                                                UBYTE_TO_FLOAT(v[1])));
 235 }
 236
 237 static void GLAPIENTRY VertexAttrib2ubvNV(GLuint index, const GLubyte *v)
 238 {
 239    CALL_VertexAttrib2fNV(GET_DISPATCH(), (index, v[0], v[1]));
 240 }
 241
 242 static void GLAPIENTRY VertexAttrib3NubvNV(GLuint index, const GLubyte *v)
 243 {
 244    CALL_VertexAttrib3fNV(GET_DISPATCH(), (index, UBYTE_TO_FLOAT(v[0]),
 245                                                UBYTE_TO_FLOAT(v[1]),
 246                                                UBYTE_TO_FLOAT(v[2])));
 247 }
 248 static void GLAPIENTRY VertexAttrib3ubvNV(GLuint index, const GLubyte *v)
 249 {
 250    CALL_VertexAttrib3fNV(GET_DISPATCH(), (index, v[0], v[1], v[2]));
 251 }
 252
 253 static void GLAPIENTRY VertexAttrib4NubvNV(GLuint index, const GLubyte *v)
 254 {
 255    CALL_VertexAttrib4fNV(GET_DISPATCH(), (index, UBYTE_TO_FLOAT(v[0]),
 256                                      UBYTE_TO_FLOAT(v[1]),
 257                                      UBYTE_TO_FLOAT(v[2]),
 258                                      UBYTE_TO_FLOAT(v[3])));
 259 }
 260
 261 static void GLAPIENTRY VertexAttrib4ubvNV(GLuint index, const GLubyte *v)
 262 {
 263    CALL_VertexAttrib4fNV(GET_DISPATCH(), (index, v[0], v[1], v[2], v[3]));
 264 }
 265
 266 /* GL_SHORT attributes */
 267
 268 static void GLAPIENTRY VertexAttrib1NsvNV(GLuint index, const GLshort *v)
 269 {
 270    CALL_VertexAttrib1fNV(GET_DISPATCH(), (index, SHORT_TO_FLOAT(v[0])));
 271 }
 272
 273 static void GLAPIENTRY VertexAttrib1svNV(GLuint index, const GLshort *v)
 274 {
 275    CALL_VertexAttrib1fNV(GET_DISPATCH(), (index, v[0]));
 276 }
 277
 278 static void GLAPIENTRY VertexAttrib2NsvNV(GLuint index, const GLshort *v)
 279 {
 280    CALL_VertexAttrib2fNV(GET_DISPATCH(), (index, SHORT_TO_FLOAT(v[0]),
 281                                                SHORT_TO_FLOAT(v[1])));
 282 }
 283
 284 static void GLAPIENTRY VertexAttrib2svNV(GLuint index, const GLshort *v)
 285 {
 286    CALL_VertexAttrib2fNV(GET_DISPATCH(), (index, v[0], v[1]));
 287 }
 288
 289 static void GLAPIENTRY VertexAttrib3NsvNV(GLuint index, const GLshort *v)
 290 {
 291    CALL_VertexAttrib3fNV(GET_DISPATCH(), (index, SHORT_TO_FLOAT(v[0]),
 292                              SHORT_TO_FLOAT(v[1]),
 293                              SHORT_TO_FLOAT(v[2])));
 294 }
 295
 296 static void GLAPIENTRY VertexAttrib3svNV(GLuint index, const GLshort *v)
 297 {
 298    CALL_VertexAttrib3fNV(GET_DISPATCH(), (index, v[0], v[1], v[2]));
 299 }
 300
 301 static void GLAPIENTRY VertexAttrib4NsvNV(GLuint index, const GLshort *v)
 302 {
 303    CALL_VertexAttrib4fNV(GET_DISPATCH(), (index, SHORT_TO_FLOAT(v[0]),
 304                              SHORT_TO_FLOAT(v[1]),
 305                              SHORT_TO_FLOAT(v[2]),
 306                              SHORT_TO_FLOAT(v[3])));
 307 }
 308
 309 static void GLAPIENTRY VertexAttrib4svNV(GLuint index, const GLshort *v)
 310 {
 311    CALL_VertexAttrib4fNV(GET_DISPATCH(), (index, v[0], v[1], v[2], v[3]));
 312 }
 313
 314 /* GL_UNSIGNED_SHORT attributes */
 315
 316 static void GLAPIENTRY VertexAttrib1NusvNV(GLuint index, const GLushort *v)
 317 {
 318    CALL_VertexAttrib1fNV(GET_DISPATCH(), (index, USHORT_TO_FLOAT(v[0])));
 319 }
 320
 321 static void GLAPIENTRY VertexAttrib1usvNV(GLuint index, const GLushort *v)
 322 {
 323    CALL_VertexAttrib1fNV(GET_DISPATCH(), (index, v[0]));
 324 }
 325
 326 static void GLAPIENTRY VertexAttrib2NusvNV(GLuint index, const GLushort *v)
 327 {
 328    CALL_VertexAttrib2fNV(GET_DISPATCH(), (index, USHORT_TO_FLOAT(v[0]),
 329                              USHORT_TO_FLOAT(v[1])));
 330 }
 331
 332 static void GLAPIENTRY VertexAttrib2usvNV(GLuint index, const GLushort *v)
 333 {
 334    CALL_VertexAttrib2fNV(GET_DISPATCH(), (index, v[0], v[1]));
 335 }
 336
 337 static void GLAPIENTRY VertexAttrib3NusvNV(GLuint index, const GLushort *v)
 338 {
 339    CALL_VertexAttrib3fNV(GET_DISPATCH(), (index, USHORT_TO_FLOAT(v[0]),
 340                                                USHORT_TO_FLOAT(v[1]),
 341                                                USHORT_TO_FLOAT(v[2])));
 342 }
 343
 344 static void GLAPIENTRY VertexAttrib3usvNV(GLuint index, const GLushort *v)
 345 {
 346    CALL_VertexAttrib3fNV(GET_DISPATCH(), (index, v[0], v[1], v[2]));
 347 }
 348
 349 static void GLAPIENTRY VertexAttrib4NusvNV(GLuint index, const GLushort *v)
 350 {
 351    CALL_VertexAttrib4fNV(GET_DISPATCH(), (index, USHORT_TO_FLOAT(v[0]),
 352                                                USHORT_TO_FLOAT(v[1]),
 353                                                USHORT_TO_FLOAT(v[2]),
 354                                                USHORT_TO_FLOAT(v[3])));
 355 }
 356
 357 static void GLAPIENTRY VertexAttrib4usvNV(GLuint index, const GLushort *v)
 358 {
 359    CALL_VertexAttrib4fNV(GET_DISPATCH(), (index, v[0], v[1], v[2], v[3]));
 360 }
 361
 362 /* GL_INT attributes */
 363
 364 static void GLAPIENTRY VertexAttrib1NivNV(GLuint index, const GLint *v)
 365 {
 366    CALL_VertexAttrib1fNV(GET_DISPATCH(), (index, INT_TO_FLOAT(v[0])));
 367 }
 368
 369 static void GLAPIENTRY VertexAttrib1ivNV(GLuint index, const GLint *v)
 370 {
 371    CALL_VertexAttrib1fNV(GET_DISPATCH(), (index, v[0]));
 372 }
 373
 374 static void GLAPIENTRY VertexAttrib2NivNV(GLuint index, const GLint *v)
 375 {
 376    CALL_VertexAttrib2fNV(GET_DISPATCH(), (index, INT_TO_FLOAT(v[0]),
 377                                                INT_TO_FLOAT(v[1])));
 378 }
 379
 380 static void GLAPIENTRY VertexAttrib2ivNV(GLuint index, const GLint *v)
 381 {
 382    CALL_VertexAttrib2fNV(GET_DISPATCH(), (index, v[0], v[1]));
 383 }
 384
 385 static void GLAPIENTRY VertexAttrib3NivNV(GLuint index, const GLint *v)
 386 {
 387    CALL_VertexAttrib3fNV(GET_DISPATCH(), (index, INT_TO_FLOAT(v[0]),
 388                                                INT_TO_FLOAT(v[1]),
 389                                                INT_TO_FLOAT(v[2])));
 390 }
 391
 392 static void GLAPIENTRY VertexAttrib3ivNV(GLuint index, const GLint *v)
 393 {
 394    CALL_VertexAttrib3fNV(GET_DISPATCH(), (index, v[0], v[1], v[2]));
 395 }
 396
 397 static void GLAPIENTRY VertexAttrib4NivNV(GLuint index, const GLint *v)
 398 {
 399    CALL_VertexAttrib4fNV(GET_DISPATCH(), (index, INT_TO_FLOAT(v[0]),
 400                                                INT_TO_FLOAT(v[1]),
 401                                                INT_TO_FLOAT(v[2]),
 402                                                INT_TO_FLOAT(v[3])));
 403 }
 404
 405 static void GLAPIENTRY VertexAttrib4ivNV(GLuint index, const GLint *v)
 406 {
 407    CALL_VertexAttrib4fNV(GET_DISPATCH(), (index, v[0], v[1], v[2], v[3]));
 408 }
 409
 410 /* GL_UNSIGNED_INT attributes */
 411
 412 static void GLAPIENTRY VertexAttrib1NuivNV(GLuint index, const GLuint *v)
 413 {
 414    CALL_VertexAttrib1fNV(GET_DISPATCH(), (index, UINT_TO_FLOAT(v[0])));
 415 }
 416
 417 static void GLAPIENTRY VertexAttrib1uivNV(GLuint index, const GLuint *v)
 418 {
 419    CALL_VertexAttrib1fNV(GET_DISPATCH(), (index, v[0]));
 420 }
 421
 422 static void GLAPIENTRY VertexAttrib2NuivNV(GLuint index, const GLuint *v)
 423 {
 424    CALL_VertexAttrib2fNV(GET_DISPATCH(), (index, UINT_TO_FLOAT(v[0]),
 425                                                UINT_TO_FLOAT(v[1])));
 426 }
 427
 428 static void GLAPIENTRY VertexAttrib2uivNV(GLuint index, const GLuint *v)
 429 {
 430    CALL_VertexAttrib2fNV(GET_DISPATCH(), (index, v[0], v[1]));
 431 }
 432
 433 static void GLAPIENTRY VertexAttrib3NuivNV(GLuint index, const GLuint *v)
 434 {
 435    CALL_VertexAttrib3fNV(GET_DISPATCH(), (index, UINT_TO_FLOAT(v[0]),
 436                                                UINT_TO_FLOAT(v[1]),
 437                                                UINT_TO_FLOAT(v[2])));
 438 }
 439
 440 static void GLAPIENTRY VertexAttrib3uivNV(GLuint index, const GLuint *v)
 441 {
 442    CALL_VertexAttrib3fNV(GET_DISPATCH(), (index, v[0], v[1], v[2]));
 443 }
 444
 445 static void GLAPIENTRY VertexAttrib4NuivNV(GLuint index, const GLuint *v)
 446 {
 447    CALL_VertexAttrib4fNV(GET_DISPATCH(), (index, UINT_TO_FLOAT(v[0]),
 448                                                UINT_TO_FLOAT(v[1]),
 449                                                UINT_TO_FLOAT(v[2]),
 450                                                UINT_TO_FLOAT(v[3])));
 451 }
 452
 453 static void GLAPIENTRY VertexAttrib4uivNV(GLuint index, const GLuint *v)
 454 {
 455    CALL_VertexAttrib4fNV(GET_DISPATCH(), (index, v[0], v[1], v[2], v[3]));
 456 }
 457
 458 /* GL_FLOAT attributes */
 459
 460 static void GLAPIENTRY VertexAttrib1fvNV(GLuint index, const GLfloat *v)
 461 {
 462    CALL_VertexAttrib1fvNV(GET_DISPATCH(), (index, v));
 463 }
 464
 465 static void GLAPIENTRY VertexAttrib2fvNV(GLuint index, const GLfloat *v)
 466 {
 467    CALL_VertexAttrib2fvNV(GET_DISPATCH(), (index, v));
 468 }
 469
 470 static void GLAPIENTRY VertexAttrib3fvNV(GLuint index, const GLfloat *v)
 471 {
 472    CALL_VertexAttrib3fvNV(GET_DISPATCH(), (index, v));
 473 }
 474
 475 static void GLAPIENTRY VertexAttrib4fvNV(GLuint index, const GLfloat *v)
 476 {
 477    CALL_VertexAttrib4fvNV(GET_DISPATCH(), (index, v));
 478 }
 479
 480 /* GL_DOUBLE attributes */
 481
 482 static void GLAPIENTRY VertexAttrib1dvNV(GLuint index, const GLdouble *v)
 483 {
 484    CALL_VertexAttrib1dvNV(GET_DISPATCH(), (index, v));
 485 }
 486
 487 static void GLAPIENTRY VertexAttrib2dvNV(GLuint index, const GLdouble *v)
 488 {
 489    CALL_VertexAttrib2dvNV(GET_DISPATCH(), (index, v));
 490 }
 491
 492 static void GLAPIENTRY VertexAttrib3dvNV(GLuint index, const GLdouble *v)
 493 {
 494    CALL_VertexAttrib3dvNV(GET_DISPATCH(), (index, v));
 495 }
 496
 497 static void GLAPIENTRY VertexAttrib4dvNV(GLuint index, const GLdouble *v)
 498 {
 499    CALL_VertexAttrib4dvNV(GET_DISPATCH(), (index, v));
 500 }
 501
 502
 503 /*
 504  * Array [size][type] of VertexAttrib functions
 505  */
 506 static attrib_func AttribFuncsNV[2][4][8] = {
 507    {
 508       /* non-normalized */
 509       {
 510          /* size 1 */
 511          (attrib_func) VertexAttrib1bvNV,
 512          (attrib_func) VertexAttrib1ubvNV,
 513          (attrib_func) VertexAttrib1svNV,
 514          (attrib_func) VertexAttrib1usvNV,
 515          (attrib_func) VertexAttrib1ivNV,
 516          (attrib_func) VertexAttrib1uivNV,
 517          (attrib_func) VertexAttrib1fvNV,
 518          (attrib_func) VertexAttrib1dvNV
 519       },
 520       {
 521          /* size 2 */
 522          (attrib_func) VertexAttrib2bvNV,
 523          (attrib_func) VertexAttrib2ubvNV,
 524          (attrib_func) VertexAttrib2svNV,
 525          (attrib_func) VertexAttrib2usvNV,
 526          (attrib_func) VertexAttrib2ivNV,
 527          (attrib_func) VertexAttrib2uivNV,
 528          (attrib_func) VertexAttrib2fvNV,
 529          (attrib_func) VertexAttrib2dvNV
 530       },
 531       {
 532          /* size 3 */
 533          (attrib_func) VertexAttrib3bvNV,
 534          (attrib_func) VertexAttrib3ubvNV,
 535          (attrib_func) VertexAttrib3svNV,
 536          (attrib_func) VertexAttrib3usvNV,
 537          (attrib_func) VertexAttrib3ivNV,
 538          (attrib_func) VertexAttrib3uivNV,
 539          (attrib_func) VertexAttrib3fvNV,
 540          (attrib_func) VertexAttrib3dvNV
 541       },
 542       {
 543          /* size 4 */
 544          (attrib_func) VertexAttrib4bvNV,
 545          (attrib_func) VertexAttrib4ubvNV,
 546          (attrib_func) VertexAttrib4svNV,
 547          (attrib_func) VertexAttrib4usvNV,
 548          (attrib_func) VertexAttrib4ivNV,
 549          (attrib_func) VertexAttrib4uivNV,
 550          (attrib_func) VertexAttrib4fvNV,
 551          (attrib_func) VertexAttrib4dvNV
 552       }
 553    },
 554    {
 555       /* normalized (except for float/double) */
 556       {
 557          /* size 1 */
 558          (attrib_func) VertexAttrib1NbvNV,
 559          (attrib_func) VertexAttrib1NubvNV,
 560          (attrib_func) VertexAttrib1NsvNV,
 561          (attrib_func) VertexAttrib1NusvNV,
 562          (attrib_func) VertexAttrib1NivNV,
 563          (attrib_func) VertexAttrib1NuivNV,
 564          (attrib_func) VertexAttrib1fvNV,
 565          (attrib_func) VertexAttrib1dvNV
 566       },
 567       {
 568          /* size 2 */
 569          (attrib_func) VertexAttrib2NbvNV,
 570          (attrib_func) VertexAttrib2NubvNV,
 571          (attrib_func) VertexAttrib2NsvNV,
 572          (attrib_func) VertexAttrib2NusvNV,
 573          (attrib_func) VertexAttrib2NivNV,
 574          (attrib_func) VertexAttrib2NuivNV,
 575          (attrib_func) VertexAttrib2fvNV,
 576          (attrib_func) VertexAttrib2dvNV
 577       },
 578       {
 579          /* size 3 */
 580          (attrib_func) VertexAttrib3NbvNV,
 581          (attrib_func) VertexAttrib3NubvNV,
 582          (attrib_func) VertexAttrib3NsvNV,
 583          (attrib_func) VertexAttrib3NusvNV,
 584          (attrib_func) VertexAttrib3NivNV,
 585          (attrib_func) VertexAttrib3NuivNV,
 586          (attrib_func) VertexAttrib3fvNV,
 587          (attrib_func) VertexAttrib3dvNV
 588       },
 589       {
 590          /* size 4 */
 591          (attrib_func) VertexAttrib4NbvNV,
 592          (attrib_func) VertexAttrib4NubvNV,
 593          (attrib_func) VertexAttrib4NsvNV,
 594          (attrib_func) VertexAttrib4NusvNV,
 595          (attrib_func) VertexAttrib4NivNV,
 596          (attrib_func) VertexAttrib4NuivNV,
 597          (attrib_func) VertexAttrib4fvNV,
 598          (attrib_func) VertexAttrib4dvNV
 599       }
 600    }
 601 };
 602
 603 /**********************************************************************/
 604
 605
 606 GLboolean _ae_create_context( GLcontext *ctx )
 607 {
 608    if (ctx->aelt_context)
 609       return GL_TRUE;
 610
 611    ctx->aelt_context = MALLOC( sizeof(AEcontext) );
 612    if (!ctx->aelt_context)
 613       return GL_FALSE;
 614
 615    AE_CONTEXT(ctx)->NewState = ~0;
 616    return GL_TRUE;
 617 }
 618
 619
 620 void _ae_destroy_context( GLcontext *ctx )
 621 {
 622    if ( AE_CONTEXT( ctx ) ) {
 623       FREE( ctx->aelt_context );
 624       ctx->aelt_context = NULL;
 625    }
 626 }
 627
 628
 629 /**
 630  * Make a list of per-vertex functions to call for each glArrayElement call.
 631  * These functions access the array data (i.e. glVertex, glColor, glNormal,
 632  * etc).
 633  * Note: this may be called during display list construction.
 634  */
 635 static void _ae_update_state( GLcontext *ctx )
 636 {
 637    AEcontext *actx = AE_CONTEXT(ctx);
 638    AEarray *aa = actx->arrays;
 639    AEattrib *at = actx->attribs;
 640    GLuint i;
 641
 642    /* conventional vertex arrays */
 643   if (ctx->Array.Index.Enabled) {
 644       aa->array = &ctx->Array.Index;
 645       aa->offset = IndexFuncs[TYPE_IDX(aa->array->Type)];
 646       aa++;
 647    }
 648    if (ctx->Array.EdgeFlag.Enabled) {
 649       aa->array = &ctx->Array.EdgeFlag;
 650       aa->offset = _gloffset_EdgeFlagv;
 651       aa++;
 652    }
 653    if (ctx->Array.Normal.Enabled) {
 654       aa->array = &ctx->Array.Normal;
 655       aa->offset = NormalFuncs[TYPE_IDX(aa->array->Type)];
 656       aa++;
 657    }
 658    if (ctx->Array.Color.Enabled) {
 659       aa->array = &ctx->Array.Color;
 660       aa->offset = ColorFuncs[aa->array->Size-3][TYPE_IDX(aa->array->Type)];
 661       aa++;
 662    }
 663    if (ctx->Array.SecondaryColor.Enabled) {
 664       aa->array = &ctx->Array.SecondaryColor;
 665       aa->offset = SecondaryColorFuncs[TYPE_IDX(aa->array->Type)];
 666       aa++;
 667    }
 668    if (ctx->Array.FogCoord.Enabled) {
 669       aa->array = &ctx->Array.FogCoord;
 670       aa->offset = FogCoordFuncs[TYPE_IDX(aa->array->Type)];
 671       aa++;
 672    }
 673    for (i = 0; i < ctx->Const.MaxTextureCoordUnits; i++) {
 674       if (ctx->Array.TexCoord[i].Enabled) {
 675          /* NOTE: we use generic glVertexAttrib functions here.
 676           * If we ever de-alias conventional/generic vertex attribs this
 677           * will have to change.
 678           */
 679          struct gl_client_array *attribArray = &ctx->Array.TexCoord[i];
 680          at->array = attribArray;
 681          at->func = AttribFuncsNV[at->array->Normalized][at->array->Size-1][TYPE_IDX(at->array->Type)];
 682          at->index = VERT_ATTRIB_TEX0 + i;
 683          at++;
 684       }
 685    }
 686
 687    /* generic vertex attribute arrays */
 688    for (i = 1; i < VERT_ATTRIB_MAX; i++) {  /* skip zero! */
 689       if (ctx->Array.VertexAttrib[i].Enabled) {
 690          struct gl_client_array *attribArray = &ctx->Array.VertexAttrib[i];
 691          at->array = attribArray;
 692          /* Note: we can't grab the _glapi_Dispatch->VertexAttrib1fvNV
 693           * function pointer here (for float arrays) since the pointer may
 694           * change from one execution of _ae_loopback_array_elt() to
 695           * the next.  Doing so caused UT to break.
 696           */
 697          at->func = AttribFuncsNV[at->array->Normalized][at->array->Size-1][TYPE_IDX(at->array->Type)];
 698          at->index = i;
 699          at++;
 700       }
 701    }
 702
 703    /* finally, vertex position */
 704    if (ctx->Array.VertexAttrib[0].Enabled) {
 705       /* Use glVertex(v) instead of glVertexAttrib(0, v) to be sure it's
 706        * issued as the last (proviking) attribute).
 707        */
 708       aa->array = &ctx->Array.VertexAttrib[0];
 709       assert(aa->array->Size >= 2); /* XXX fix someday? */
 710       aa->offset = VertexFuncs[aa->array->Size-2][TYPE_IDX(aa->array->Type)];
 711       aa++;
 712    }
 713    else if (ctx->Array.Vertex.Enabled) {
 714       aa->array = &ctx->Array.Vertex;
 715       aa->offset = VertexFuncs[aa->array->Size-2][TYPE_IDX(aa->array->Type)];
 716       aa++;
 717    }
 718
 719    ASSERT(at - actx->attribs <= VERT_ATTRIB_MAX);
 720    ASSERT(aa - actx->arrays < 32);
 721    at->func = NULL;  /* terminate the list */
 722    aa->offset = -1;  /* terminate the list */
 723
 724    actx->NewState = 0;
 725 }
 726
 727
 728 /**
 729  * Called via glArrayElement() and glDrawArrays().
 730  * Issue the glNormal, glVertex, glColor, glVertexAttrib, etc functions
 731  * for all enabled vertex arrays (for elt-th element).
 732  * Note: this may be called during display list construction.
 733  */
 734 void GLAPIENTRY _ae_loopback_array_elt( GLint elt )
 735 {
 736    GET_CURRENT_CONTEXT(ctx);
 737    const AEcontext *actx = AE_CONTEXT(ctx);
 738    const AEarray *aa;
 739    const AEattrib *at;
 740    const struct _glapi_table * const disp = GET_DISPATCH();
 741
 742
 743    if (actx->NewState)
 744       _ae_update_state( ctx );
 745
 746    /* generic attributes */
 747    for (at = actx->attribs; at->func; at++) {
 748       const GLubyte *src = at->array->BufferObj->Data
 749                          + (uintptr_t) at->array->Ptr
 750                          + elt * at->array->StrideB;
 751       at->func( at->index, src );
 752    }
 753
 754    /* conventional arrays */
 755    for (aa = actx->arrays; aa->offset != -1 ; aa++) {
 756       const GLubyte *src = aa->array->BufferObj->Data
 757                          + (uintptr_t) aa->array->Ptr
 758                          + elt * aa->array->StrideB;
 759       CALL_by_offset( disp, (array_func), aa->offset,
 760                       ((const void *) src) );
 761    }
 762 }
 763
 764
 765 void _ae_invalidate_state( GLcontext *ctx, GLuint new_state )
 766 {
 767    AE_CONTEXT(ctx)->NewState |= new_state;
 768 }