src/mesa/drivers/glide/fxvb.c

   1 /*
   2  * Mesa 3-D graphics library
   3  * Version:  5.1
   4  *
   5  * Copyright (C) 1999-2003  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  * KEITH WHITWELL, OR ANY OTHER CONTRIBUTORS BE LIABLE FOR ANY CLAIM,
  21  * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
  22  * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE
  23  * OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  24  */
  25
  26 /* Authors:
  27  *    Keith Whitwell <keith@tungstengraphics.com>
  28  *    Daniel Borca <dborca@users.sourceforge.net>
  29  */
  30
  31 #ifdef HAVE_CONFIG_H
  32 #include "conf.h"
  33 #endif
  34
  35 #ifdef FX
  36
  37 #include "glheader.h"
  38 #include "mtypes.h"
  39 #include "imports.h"
  40 #include "macros.h"
  41 #include "colormac.h"
  42
  43 #include "math/m_translate.h"
  44 #include "swrast_setup/swrast_setup.h"
  45
  46 #include "tnl/tnl.h"
  47 #include "tnl/t_context.h"
  48
  49 #include "fxdrv.h"
  50
  51
  52 static void copy_pv( GLcontext *ctx, GLuint edst, GLuint esrc )
  53 {
  54    fxMesaContext fxMesa = FX_CONTEXT( ctx );
  55    GrVertex *dst = fxMesa->verts + edst;
  56    GrVertex *src = fxMesa->verts + esrc;
  57
  58    *(GLuint *)&dst->pargb = *(GLuint *)&src->pargb;
  59 }
  60
  61 static void copy_pv2( GLcontext *ctx, GLuint edst, GLuint esrc )
  62 {
  63    fxMesaContext fxMesa = FX_CONTEXT( ctx );
  64    GrVertex *dst = fxMesa->verts + edst;
  65    GrVertex *src = fxMesa->verts + esrc;
  66
  67    *(GLuint *)&dst->pargb = *(GLuint *)&src->pargb;
  68    *(GLuint *)&dst->pspec = *(GLuint *)&src->pspec;
  69 }
  70
  71 typedef void (*emit_func)( GLcontext *, GLuint, GLuint, void * );
  72
  73 static struct {
  74    emit_func            emit;
  75    tnl_copy_pv_func             copy_pv;
  76    tnl_interp_func              interp;
  77    GLboolean           (*check_tex_sizes)( GLcontext *ctx );
  78    GLuint               vertex_format;
  79 } setup_tab[MAX_SETUP];
  80
  81
  82 #define GET_COLOR(ptr, idx) ((ptr)->data[idx])
  83
  84
  85 static void interp_extras( GLcontext *ctx,
  86                            GLfloat t,
  87                            GLuint dst, GLuint out, GLuint in,
  88                            GLboolean force_boundary )
  89 {
  90    struct vertex_buffer *VB = &TNL_CONTEXT(ctx)->vb;
  91
  92    if (VB->ColorPtr[1]) {
  93       assert(VB->ColorPtr[1]->stride == 4 * sizeof(GLfloat));
  94
  95       INTERP_4F( t,
  96                  GET_COLOR(VB->ColorPtr[1], dst),
  97                  GET_COLOR(VB->ColorPtr[1], out),
  98                  GET_COLOR(VB->ColorPtr[1], in) );
  99
 100       if (VB->SecondaryColorPtr[1]) {
 101          INTERP_3F( t,
 102                     GET_COLOR(VB->SecondaryColorPtr[1], dst),
 103                     GET_COLOR(VB->SecondaryColorPtr[1], out),
 104                     GET_COLOR(VB->SecondaryColorPtr[1], in) );
 105       }
 106    }
 107
 108    if (VB->EdgeFlag) {
 109       VB->EdgeFlag[dst] = VB->EdgeFlag[out] || force_boundary;
 110    }
 111
 112    setup_tab[FX_CONTEXT(ctx)->SetupIndex].interp(ctx, t, dst, out, in,
 113                                                    force_boundary);
 114 }
 115
 116 static void copy_pv_extras( GLcontext *ctx, GLuint dst, GLuint src )
 117 {
 118    struct vertex_buffer *VB = &TNL_CONTEXT(ctx)->vb;
 119
 120    if (VB->ColorPtr[1]) {
 121          COPY_4FV( GET_COLOR(VB->ColorPtr[1], dst),
 122                    GET_COLOR(VB->ColorPtr[1], src) );
 123
 124          if (VB->SecondaryColorPtr[1]) {
 125             COPY_3FV( GET_COLOR(VB->SecondaryColorPtr[1], dst),
 126                       GET_COLOR(VB->SecondaryColorPtr[1], src) );
 127          }
 128    }
 129
 130    setup_tab[FX_CONTEXT(ctx)->SetupIndex].copy_pv(ctx, dst, src);
 131 }
 132
 133
 134 #define IND (SETUP_XYZW|SETUP_RGBA)
 135 #define TAG(x) x##_wg
 136 #include "fxvbtmp.h"
 137
 138 #define IND (SETUP_XYZW|SETUP_RGBA|SETUP_TMU0)
 139 #define TAG(x) x##_wgt0
 140 #include "fxvbtmp.h"
 141
 142 #define IND (SETUP_XYZW|SETUP_RGBA|SETUP_TMU0|SETUP_TMU1)
 143 #define TAG(x) x##_wgt0t1
 144 #include "fxvbtmp.h"
 145
 146 #define IND (SETUP_XYZW|SETUP_RGBA|SETUP_TMU0|SETUP_PTEX)
 147 #define TAG(x) x##_wgpt0
 148 #include "fxvbtmp.h"
 149
 150 #define IND (SETUP_XYZW|SETUP_RGBA|SETUP_TMU0|SETUP_TMU1|\
 151              SETUP_PTEX)
 152 #define TAG(x) x##_wgpt0t1
 153 #include "fxvbtmp.h"
 154
 155 #define IND (SETUP_XYZW|SETUP_RGBA|SETUP_PSIZ)
 156 #define TAG(x) x##_wga
 157 #include "fxvbtmp.h"
 158
 159 #define IND (SETUP_XYZW|SETUP_RGBA|SETUP_TMU0|SETUP_PSIZ)
 160 #define TAG(x) x##_wgt0a
 161 #include "fxvbtmp.h"
 162
 163 #define IND (SETUP_XYZW|SETUP_RGBA|SETUP_TMU0|SETUP_TMU1|SETUP_PSIZ)
 164 #define TAG(x) x##_wgt0t1a
 165 #include "fxvbtmp.h"
 166
 167 #define IND (SETUP_XYZW|SETUP_RGBA|SETUP_TMU0|SETUP_PTEX|SETUP_PSIZ)
 168 #define TAG(x) x##_wgpt0a
 169 #include "fxvbtmp.h"
 170
 171 #define IND (SETUP_XYZW|SETUP_RGBA|SETUP_TMU0|SETUP_TMU1|\
 172              SETUP_PTEX|SETUP_PSIZ)
 173 #define TAG(x) x##_wgpt0t1a
 174 #include "fxvbtmp.h"
 175
 176
 177 #define IND (SETUP_XYZW|SETUP_RGBA|SETUP_SPEC)
 178 #define TAG(x) x##_2wg
 179 #include "fxvbtmp.h"
 180
 181 #define IND (SETUP_XYZW|SETUP_RGBA|SETUP_SPEC|SETUP_TMU0)
 182 #define TAG(x) x##_2wgt0
 183 #include "fxvbtmp.h"
 184
 185 #define IND (SETUP_XYZW|SETUP_RGBA|SETUP_SPEC|SETUP_TMU0|SETUP_TMU1)
 186 #define TAG(x) x##_2wgt0t1
 187 #include "fxvbtmp.h"
 188
 189 #define IND (SETUP_XYZW|SETUP_RGBA|SETUP_SPEC|SETUP_TMU0|SETUP_PTEX)
 190 #define TAG(x) x##_2wgpt0
 191 #include "fxvbtmp.h"
 192
 193 #define IND (SETUP_XYZW|SETUP_RGBA|SETUP_SPEC|SETUP_TMU0|SETUP_TMU1|\
 194              SETUP_PTEX)
 195 #define TAG(x) x##_2wgpt0t1
 196 #include "fxvbtmp.h"
 197
 198 #define IND (SETUP_XYZW|SETUP_RGBA|SETUP_SPEC|SETUP_PSIZ)
 199 #define TAG(x) x##_2wga
 200 #include "fxvbtmp.h"
 201
 202 #define IND (SETUP_XYZW|SETUP_RGBA|SETUP_SPEC|SETUP_TMU0|SETUP_PSIZ)
 203 #define TAG(x) x##_2wgt0a
 204 #include "fxvbtmp.h"
 205
 206 #define IND (SETUP_XYZW|SETUP_RGBA|SETUP_SPEC|SETUP_TMU0|SETUP_TMU1|SETUP_PSIZ)
 207 #define TAG(x) x##_2wgt0t1a
 208 #include "fxvbtmp.h"
 209
 210 #define IND (SETUP_XYZW|SETUP_RGBA|SETUP_SPEC|SETUP_TMU0|SETUP_PTEX|SETUP_PSIZ)
 211 #define TAG(x) x##_2wgpt0a
 212 #include "fxvbtmp.h"
 213
 214 #define IND (SETUP_XYZW|SETUP_RGBA|SETUP_SPEC|SETUP_TMU0|SETUP_TMU1|\
 215              SETUP_PTEX|SETUP_PSIZ)
 216 #define TAG(x) x##_2wgpt0t1a
 217 #include "fxvbtmp.h"
 218
 219
 220 /* Snapping for voodoo-1
 221  */
 222 #define IND (SETUP_XYZW|SETUP_SNAP|SETUP_RGBA)
 223 #define TAG(x) x##_wsg
 224 #include "fxvbtmp.h"
 225
 226 #define IND (SETUP_XYZW|SETUP_SNAP|SETUP_RGBA|SETUP_TMU0)
 227 #define TAG(x) x##_wsgt0
 228 #include "fxvbtmp.h"
 229
 230 #define IND (SETUP_XYZW|SETUP_SNAP|SETUP_RGBA|SETUP_TMU0|\
 231              SETUP_TMU1)
 232 #define TAG(x) x##_wsgt0t1
 233 #include "fxvbtmp.h"
 234
 235 #define IND (SETUP_XYZW|SETUP_SNAP|SETUP_RGBA|SETUP_TMU0|\
 236              SETUP_PTEX)
 237 #define TAG(x) x##_wsgpt0
 238 #include "fxvbtmp.h"
 239
 240 #define IND (SETUP_XYZW|SETUP_SNAP|SETUP_RGBA|SETUP_TMU0|\
 241              SETUP_TMU1|SETUP_PTEX)
 242 #define TAG(x) x##_wsgpt0t1
 243 #include "fxvbtmp.h"
 244
 245 #define IND (SETUP_XYZW|SETUP_SNAP|SETUP_RGBA|SETUP_PSIZ)
 246 #define TAG(x) x##_wsga
 247 #include "fxvbtmp.h"
 248
 249 #define IND (SETUP_XYZW|SETUP_SNAP|SETUP_RGBA|SETUP_TMU0|SETUP_PSIZ)
 250 #define TAG(x) x##_wsgt0a
 251 #include "fxvbtmp.h"
 252
 253 #define IND (SETUP_XYZW|SETUP_SNAP|SETUP_RGBA|SETUP_TMU0|\
 254              SETUP_TMU1|SETUP_PSIZ)
 255 #define TAG(x) x##_wsgt0t1a
 256 #include "fxvbtmp.h"
 257
 258 #define IND (SETUP_XYZW|SETUP_SNAP|SETUP_RGBA|SETUP_TMU0|\
 259              SETUP_PTEX|SETUP_PSIZ)
 260 #define TAG(x) x##_wsgpt0a
 261 #include "fxvbtmp.h"
 262
 263 #define IND (SETUP_XYZW|SETUP_SNAP|SETUP_RGBA|SETUP_TMU0|\
 264              SETUP_TMU1|SETUP_PTEX|SETUP_PSIZ)
 265 #define TAG(x) x##_wsgpt0t1a
 266 #include "fxvbtmp.h"
 267
 268
 269 #define IND (SETUP_XYZW|SETUP_SNAP|SETUP_RGBA|SETUP_SPEC)
 270 #define TAG(x) x##_2wsg
 271 #include "fxvbtmp.h"
 272
 273 #define IND (SETUP_XYZW|SETUP_SNAP|SETUP_RGBA|SETUP_SPEC|SETUP_TMU0)
 274 #define TAG(x) x##_2wsgt0
 275 #include "fxvbtmp.h"
 276
 277 #define IND (SETUP_XYZW|SETUP_SNAP|SETUP_RGBA|SETUP_SPEC|SETUP_TMU0|\
 278              SETUP_TMU1)
 279 #define TAG(x) x##_2wsgt0t1
 280 #include "fxvbtmp.h"
 281
 282 #define IND (SETUP_XYZW|SETUP_SNAP|SETUP_RGBA|SETUP_SPEC|SETUP_TMU0|\
 283              SETUP_PTEX)
 284 #define TAG(x) x##_2wsgpt0
 285 #include "fxvbtmp.h"
 286
 287 #define IND (SETUP_XYZW|SETUP_SNAP|SETUP_RGBA|SETUP_SPEC|SETUP_TMU0|\
 288              SETUP_TMU1|SETUP_PTEX)
 289 #define TAG(x) x##_2wsgpt0t1
 290 #include "fxvbtmp.h"
 291
 292 #define IND (SETUP_XYZW|SETUP_SNAP|SETUP_RGBA|SETUP_SPEC|SETUP_PSIZ)
 293 #define TAG(x) x##_2wsga
 294 #include "fxvbtmp.h"
 295
 296 #define IND (SETUP_XYZW|SETUP_SNAP|SETUP_RGBA|SETUP_SPEC|SETUP_TMU0|SETUP_PSIZ)
 297 #define TAG(x) x##_2wsgt0a
 298 #include "fxvbtmp.h"
 299
 300 #define IND (SETUP_XYZW|SETUP_SNAP|SETUP_RGBA|SETUP_SPEC|SETUP_TMU0|\
 301              SETUP_TMU1|SETUP_PSIZ)
 302 #define TAG(x) x##_2wsgt0t1a
 303 #include "fxvbtmp.h"
 304
 305 #define IND (SETUP_XYZW|SETUP_SNAP|SETUP_RGBA|SETUP_SPEC|SETUP_TMU0|\
 306              SETUP_PTEX|SETUP_PSIZ)
 307 #define TAG(x) x##_2wsgpt0a
 308 #include "fxvbtmp.h"
 309
 310 #define IND (SETUP_XYZW|SETUP_SNAP|SETUP_RGBA|SETUP_SPEC|SETUP_TMU0|\
 311              SETUP_TMU1|SETUP_PTEX|SETUP_PSIZ)
 312 #define TAG(x) x##_2wsgpt0t1a
 313 #include "fxvbtmp.h"
 314
 315
 316 /* Vertex repair (multipass rendering)
 317  */
 318 #define IND (SETUP_RGBA)
 319 #define TAG(x) x##_g
 320 #include "fxvbtmp.h"
 321
 322 #define IND (SETUP_TMU0)
 323 #define TAG(x) x##_t0
 324 #include "fxvbtmp.h"
 325
 326 #define IND (SETUP_TMU0|SETUP_TMU1)
 327 #define TAG(x) x##_t0t1
 328 #include "fxvbtmp.h"
 329
 330 #define IND (SETUP_RGBA|SETUP_TMU0)
 331 #define TAG(x) x##_gt0
 332 #include "fxvbtmp.h"
 333
 334 #define IND (SETUP_RGBA|SETUP_TMU0|SETUP_TMU1)
 335 #define TAG(x) x##_gt0t1
 336 #include "fxvbtmp.h"
 337
 338
 339 #define IND (SETUP_RGBA|SETUP_SPEC)
 340 #define TAG(x) x##_2g
 341 #include "fxvbtmp.h"
 342
 343 #define IND (SETUP_TMU0|SETUP_SPEC)
 344 #define TAG(x) x##_2t0
 345 #include "fxvbtmp.h"
 346
 347 #define IND (SETUP_TMU0|SETUP_SPEC|SETUP_TMU1)
 348 #define TAG(x) x##_2t0t1
 349 #include "fxvbtmp.h"
 350
 351 #define IND (SETUP_RGBA|SETUP_SPEC|SETUP_TMU0)
 352 #define TAG(x) x##_2gt0
 353 #include "fxvbtmp.h"
 354
 355 #define IND (SETUP_RGBA|SETUP_SPEC|SETUP_TMU0|SETUP_TMU1)
 356 #define TAG(x) x##_2gt0t1
 357 #include "fxvbtmp.h"
 358
 359
 360
 361 static void init_setup_tab( void )
 362 {
 363    init_wg();
 364    init_wgt0();
 365    init_wgt0t1();
 366    init_wgpt0();
 367    init_wgpt0t1();
 368    init_wga();
 369    init_wgt0a();
 370    init_wgt0t1a();
 371    init_wgpt0a();
 372    init_wgpt0t1a();
 373     init_2wg();
 374     init_2wgt0();
 375     init_2wgt0t1();
 376     init_2wgpt0();
 377     init_2wgpt0t1();
 378     init_2wga();
 379     init_2wgt0a();
 380     init_2wgt0t1a();
 381     init_2wgpt0a();
 382     init_2wgpt0t1a();
 383
 384    init_wsg();
 385    init_wsgt0();
 386    init_wsgt0t1();
 387    init_wsgpt0();
 388    init_wsgpt0t1();
 389    init_wsga();
 390    init_wsgt0a();
 391    init_wsgt0t1a();
 392    init_wsgpt0a();
 393    init_wsgpt0t1a();
 394     init_2wsg();
 395     init_2wsgt0();
 396     init_2wsgt0t1();
 397     init_2wsgpt0();
 398     init_2wsgpt0t1();
 399     init_2wsga();
 400     init_2wsgt0a();
 401     init_2wsgt0t1a();
 402     init_2wsgpt0a();
 403     init_2wsgpt0t1a();
 404
 405    init_g();
 406    init_t0();
 407    init_t0t1();
 408    init_gt0();
 409    init_gt0t1();
 410     init_2g();
 411     init_2t0();
 412     init_2t0t1();
 413     init_2gt0();
 414     init_2gt0t1();
 415 }
 416
 417
 418 void fxPrintSetupFlags(char *msg, GLuint flags )
 419 {
 420    fprintf(stderr, "%s(%x): %s%s%s%s%s%s%s\n",
 421            msg,
 422            (int)flags,
 423            (flags & SETUP_XYZW)     ? " xyzw," : "",
 424            (flags & SETUP_SNAP)     ? " snap," : "",
 425            (flags & SETUP_RGBA)     ? " rgba," : "",
 426            (flags & SETUP_TMU0)     ? " tex-0," : "",
 427            (flags & SETUP_TMU1)     ? " tex-1," : "",
 428            (flags & SETUP_PSIZ)     ? " psiz," : "",
 429            (flags & SETUP_SPEC)     ? " spec," : "");
 430 }
 431
 432
 433
 434 void fxCheckTexSizes( GLcontext *ctx )
 435 {
 436    TNLcontext *tnl = TNL_CONTEXT(ctx);
 437    fxMesaContext fxMesa = FX_CONTEXT( ctx );
 438
 439    if (!setup_tab[fxMesa->SetupIndex].check_tex_sizes(ctx)) {
 440       GLuint ind = fxMesa->SetupIndex |= (SETUP_PTEX|SETUP_RGBA);
 441
 442       /* Tdfx handles projective textures nicely; just have to change
 443        * up to the new vertex format.
 444        */
 445       if (setup_tab[ind].vertex_format != fxMesa->stw_hint_state) {
 446
 447          fxMesa->stw_hint_state = setup_tab[ind].vertex_format;
 448          FX_grHints(GR_HINT_STWHINT, fxMesa->stw_hint_state);
 449
 450          /* This is required as we have just changed the vertex
 451           * format, so the interp routines must also change.
 452           * In the unfilled and twosided cases we are using the
 453           * Extras ones anyway, so leave them in place.
 454           */
 455          if (!(ctx->_TriangleCaps & (DD_TRI_LIGHT_TWOSIDE|DD_TRI_UNFILLED))) {
 456             tnl->Driver.Render.Interp = setup_tab[fxMesa->SetupIndex].interp;
 457          }
 458       }
 459    }
 460 }
 461
 462
 463 void fxBuildVertices( GLcontext *ctx, GLuint start, GLuint count,
 464                         GLuint newinputs )
 465 {
 466    fxMesaContext fxMesa = FX_CONTEXT( ctx );
 467    GrVertex *v = (fxMesa->verts + start);
 468
 469    if (!newinputs)
 470       return;
 471
 472    if (newinputs & VERT_BIT_POS) {
 473       setup_tab[fxMesa->SetupIndex].emit( ctx, start, count, v );
 474    } else {
 475       GLuint ind = 0;
 476
 477       /* [dBorca] masked by VERT_BIT_POS ?!?
 478       if (newinputs & VERT_BIT_POINT_SIZE)
 479          ind |= SETUP_PSIZ;*/
 480
 481       if (newinputs & VERT_BIT_COLOR0)
 482          ind |= SETUP_RGBA;
 483
 484       if (newinputs & VERT_BIT_COLOR1)
 485          ind |= SETUP_SPEC;
 486
 487       if (newinputs & VERT_BIT_TEX0)
 488          ind |= SETUP_TMU0;
 489
 490       if (newinputs & VERT_BIT_TEX1)
 491          ind |= SETUP_TMU0|SETUP_TMU1;
 492
 493       if (fxMesa->SetupIndex & SETUP_PTEX)
 494          ind = ~0;
 495
 496       ind &= fxMesa->SetupIndex;
 497
 498       if (ind) {
 499          setup_tab[ind].emit( ctx, start, count, v );
 500       }
 501    }
 502 }
 503
 504
 505 void fxChooseVertexState( GLcontext *ctx )
 506 {
 507    TNLcontext *tnl = TNL_CONTEXT(ctx);
 508    fxMesaContext fxMesa = FX_CONTEXT( ctx );
 509    GLuint ind = SETUP_XYZW|SETUP_RGBA;
 510
 511    if (fxMesa->snapVertices)
 512       ind |= SETUP_SNAP;
 513
 514    fxMesa->tmu_source[0] = 0;
 515    fxMesa->tmu_source[1] = 1;
 516
 517    if (ctx->Texture._EnabledUnits & 0x2) {
 518       if (ctx->Texture._EnabledUnits & 0x1) {
 519          ind |= SETUP_TMU1;
 520       }
 521       ind |= SETUP_TMU0;
 522       fxMesa->tmu_source[0] = 1;
 523       fxMesa->tmu_source[1] = 0;
 524    }
 525    else if (ctx->Texture._EnabledUnits & 0x1) {
 526       ind |= SETUP_TMU0;
 527    }
 528
 529    if (ctx->_TriangleCaps & DD_POINT_ATTEN) {
 530       ind |= SETUP_PSIZ;
 531    }
 532
 533    if (ctx->_TriangleCaps & DD_SEPARATE_SPECULAR) {
 534       ind |= SETUP_SPEC;
 535    }
 536
 537    fxMesa->SetupIndex = ind;
 538
 539    if (ctx->_TriangleCaps & (DD_TRI_LIGHT_TWOSIDE|DD_TRI_UNFILLED)) {
 540       tnl->Driver.Render.Interp = interp_extras;
 541       tnl->Driver.Render.CopyPV = copy_pv_extras;
 542    } else {
 543       tnl->Driver.Render.Interp = setup_tab[ind].interp;
 544       tnl->Driver.Render.CopyPV = setup_tab[ind].copy_pv;
 545    }
 546
 547    if (setup_tab[ind].vertex_format != fxMesa->stw_hint_state) {
 548       fxMesa->stw_hint_state = setup_tab[ind].vertex_format;
 549       FX_grHints(GR_HINT_STWHINT, fxMesa->stw_hint_state);
 550    }
 551 }
 552
 553
 554
 555 void fxAllocVB( GLcontext *ctx )
 556 {
 557    fxMesaContext fxMesa = FX_CONTEXT(ctx);
 558    GLuint size = TNL_CONTEXT(ctx)->vb.Size;
 559    static int firsttime = 1;
 560    if (firsttime) {
 561       init_setup_tab();
 562       firsttime = 0;
 563    }
 564
 565    fxMesa->verts = (GrVertex *)ALIGN_MALLOC(size * sizeof(GrVertex), 32);
 566    fxMesa->SetupIndex = SETUP_XYZW|SETUP_RGBA;
 567 }
 568
 569
 570 void fxFreeVB( GLcontext *ctx )
 571 {
 572    fxMesaContext fxMesa = FX_CONTEXT(ctx);
 573    if (fxMesa->verts) {
 574       ALIGN_FREE(fxMesa->verts);
 575       fxMesa->verts = 0;
 576    }
 577 }
 578 #else
 579
 580
 581 /*
 582  * Need this to provide at least one external definition.
 583  */
 584
 585 extern int gl_fx_dummy_function_vb(void);
 586 int
 587 gl_fx_dummy_function_vb(void)
 588 {
 589    return 0;
 590 }
 591
 592 #endif /* FX */