src/gallium/drivers/llvmpipe/lp_prim_vbuf.c

   1 /**************************************************************************
   2  *
   3  * Copyright 2007 Tungsten Graphics, Inc., Cedar Park, Texas.
   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 TUNGSTEN GRAPHICS 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  * Interface between 'draw' module's output and the llvmpipe rasterizer/setup
  30  * code.  When the 'draw' module has finished filling a vertex buffer, the
  31  * draw_arrays() functions below will be called.  Loop over the vertices and
  32  * call the point/line/tri setup functions.
  33  *
  34  * Authors
  35  *  Brian Paul
  36  */
  37
  38
  39 #include "lp_context.h"
  40 #include "lp_state.h"
  41 #include "lp_prim_vbuf.h"
  42 #include "lp_prim_setup.h"
  43 #include "lp_setup.h"
  44 #include "draw/draw_context.h"
  45 #include "draw/draw_vbuf.h"
  46 #include "util/u_memory.h"
  47 #include "util/u_prim.h"
  48
  49
  50 #define LP_MAX_VBUF_INDEXES 1024
  51 #define LP_MAX_VBUF_SIZE    4096
  52
  53 typedef const float (*cptrf4)[4];
  54
  55 /**
  56  * Subclass of vbuf_render.
  57  */
  58 struct llvmpipe_vbuf_render
  59 {
  60    struct vbuf_render base;
  61    struct llvmpipe_context *llvmpipe;
  62    uint prim;
  63    uint vertex_size;
  64    uint nr_vertices;
  65    uint vertex_buffer_size;
  66    void *vertex_buffer;
  67 };
  68
  69
  70 /** cast wrapper */
  71 static struct llvmpipe_vbuf_render *
  72 llvmpipe_vbuf_render(struct vbuf_render *vbr)
  73 {
  74    return (struct llvmpipe_vbuf_render *) vbr;
  75 }
  76
  77
  78 static const struct vertex_info *
  79 lp_vbuf_get_vertex_info(struct vbuf_render *vbr)
  80 {
  81    struct llvmpipe_vbuf_render *cvbr = llvmpipe_vbuf_render(vbr);
  82    return llvmpipe_get_vbuf_vertex_info(cvbr->llvmpipe);
  83 }
  84
  85
  86 static boolean
  87 lp_vbuf_allocate_vertices(struct vbuf_render *vbr,
  88                           ushort vertex_size, ushort nr_vertices)
  89 {
  90    struct llvmpipe_vbuf_render *cvbr = llvmpipe_vbuf_render(vbr);
  91    unsigned size = vertex_size * nr_vertices;
  92
  93    if (cvbr->vertex_buffer_size < size) {
  94       align_free(cvbr->vertex_buffer);
  95       cvbr->vertex_buffer = align_malloc(size, 16);
  96       cvbr->vertex_buffer_size = size;
  97    }
  98
  99    cvbr->vertex_size = vertex_size;
 100    cvbr->nr_vertices = nr_vertices;
 101
 102    return cvbr->vertex_buffer != NULL;
 103 }
 104
 105 static void
 106 lp_vbuf_release_vertices(struct vbuf_render *vbr)
 107 {
 108 #if 0
 109    {
 110       struct llvmpipe_vbuf_render *cvbr = llvmpipe_vbuf_render(vbr);
 111       const struct vertex_info *info =
 112          llvmpipe_get_vbuf_vertex_info(cvbr->llvmpipe);
 113       const float *vtx = (const float *) cvbr->vertex_buffer;
 114       uint i, j;
 115       debug_printf("%s (vtx_size = %u,  vtx_used = %u)\n",
 116              __FUNCTION__, cvbr->vertex_size, cvbr->nr_vertices);
 117       for (i = 0; i < cvbr->nr_vertices; i++) {
 118          for (j = 0; j < info->num_attribs; j++) {
 119             uint k;
 120             switch (info->attrib[j].emit) {
 121             case EMIT_4F:  k = 4;   break;
 122             case EMIT_3F:  k = 3;   break;
 123             case EMIT_2F:  k = 2;   break;
 124             case EMIT_1F:  k = 1;   break;
 125             default: assert(0);
 126             }
 127             debug_printf("Vert %u attr %u: ", i, j);
 128             while (k-- > 0) {
 129                debug_printf("%g ", vtx[0]);
 130                vtx++;
 131             }
 132             debug_printf("\n");
 133          }
 134       }
 135    }
 136 #endif
 137
 138    /* keep the old allocation for next time */
 139 }
 140
 141 static void *
 142 lp_vbuf_map_vertices(struct vbuf_render *vbr)
 143 {
 144    struct llvmpipe_vbuf_render *cvbr = llvmpipe_vbuf_render(vbr);
 145    return cvbr->vertex_buffer;
 146 }
 147
 148 static void
 149 lp_vbuf_unmap_vertices(struct vbuf_render *vbr,
 150                        ushort min_index,
 151                        ushort max_index )
 152 {
 153    struct llvmpipe_vbuf_render *cvbr = llvmpipe_vbuf_render(vbr);
 154    assert( cvbr->vertex_buffer_size >= (max_index+1) * cvbr->vertex_size );
 155    /* do nothing */
 156 }
 157
 158
 159 static boolean
 160 lp_vbuf_set_primitive(struct vbuf_render *vbr, unsigned prim)
 161 {
 162    struct llvmpipe_vbuf_render *cvbr = llvmpipe_vbuf_render(vbr);
 163
 164    /* XXX: break this dependency - make setup_context live under
 165     * llvmpipe, rename the old "setup" draw stage to something else.
 166     */
 167    struct setup_context *setup_ctx = lp_draw_setup_context(cvbr->llvmpipe->setup);
 168
 169    setup_prepare( setup_ctx );
 170
 171    cvbr->llvmpipe->reduced_prim = u_reduced_prim(prim);
 172    cvbr->prim = prim;
 173    return TRUE;
 174
 175 }
 176
 177
 178 static INLINE cptrf4 get_vert( const void *vertex_buffer,
 179                                int index,
 180                                int stride )
 181 {
 182    return (cptrf4)((char *)vertex_buffer + index * stride);
 183 }
 184
 185
 186 /**
 187  * draw elements / indexed primitives
 188  */
 189 static void
 190 lp_vbuf_draw(struct vbuf_render *vbr, const ushort *indices, uint nr)
 191 {
 192    struct llvmpipe_vbuf_render *cvbr = llvmpipe_vbuf_render(vbr);
 193    struct llvmpipe_context *llvmpipe = cvbr->llvmpipe;
 194    const unsigned stride = llvmpipe->vertex_info_vbuf.size * sizeof(float);
 195    const void *vertex_buffer = cvbr->vertex_buffer;
 196    unsigned i;
 197
 198    /* XXX: break this dependency - make setup_context live under
 199     * llvmpipe, rename the old "setup" draw stage to something else.
 200     */
 201    struct draw_stage *setup = llvmpipe->setup;
 202    struct setup_context *setup_ctx = lp_draw_setup_context(setup);
 203
 204    switch (cvbr->prim) {
 205    case PIPE_PRIM_POINTS:
 206       for (i = 0; i < nr; i++) {
 207          setup_point( setup_ctx,
 208                       get_vert(vertex_buffer, indices[i-0], stride) );
 209       }
 210       break;
 211
 212    case PIPE_PRIM_LINES:
 213       for (i = 1; i < nr; i += 2) {
 214          setup_line( setup_ctx,
 215                      get_vert(vertex_buffer, indices[i-1], stride),
 216                      get_vert(vertex_buffer, indices[i-0], stride) );
 217       }
 218       break;
 219
 220    case PIPE_PRIM_LINE_STRIP:
 221       for (i = 1; i < nr; i ++) {
 222          setup_line( setup_ctx,
 223                      get_vert(vertex_buffer, indices[i-1], stride),
 224                      get_vert(vertex_buffer, indices[i-0], stride) );
 225       }
 226       break;
 227
 228    case PIPE_PRIM_LINE_LOOP:
 229       for (i = 1; i < nr; i ++) {
 230          setup_line( setup_ctx,
 231                      get_vert(vertex_buffer, indices[i-1], stride),
 232                      get_vert(vertex_buffer, indices[i-0], stride) );
 233       }
 234       if (nr) {
 235          setup_line( setup_ctx,
 236                      get_vert(vertex_buffer, indices[nr-1], stride),
 237                      get_vert(vertex_buffer, indices[0], stride) );
 238       }
 239       break;
 240
 241    case PIPE_PRIM_TRIANGLES:
 242       for (i = 2; i < nr; i += 3) {
 243          if (llvmpipe->rasterizer->flatshade_first) {
 244             setup_tri( setup_ctx,
 245                        get_vert(vertex_buffer, indices[i-1], stride),
 246                        get_vert(vertex_buffer, indices[i-0], stride),
 247                        get_vert(vertex_buffer, indices[i-2], stride) );
 248          }
 249          else {
 250             setup_tri( setup_ctx,
 251                        get_vert(vertex_buffer, indices[i-2], stride),
 252                        get_vert(vertex_buffer, indices[i-1], stride),
 253                        get_vert(vertex_buffer, indices[i-0], stride) );
 254          }
 255       }
 256       break;
 257
 258    case PIPE_PRIM_TRIANGLE_STRIP:
 259       for (i = 2; i < nr; i += 1) {
 260          if (llvmpipe->rasterizer->flatshade_first) {
 261             setup_tri( setup_ctx,
 262                        get_vert(vertex_buffer, indices[i+(i&1)-1], stride),
 263                        get_vert(vertex_buffer, indices[i-(i&1)], stride),
 264                        get_vert(vertex_buffer, indices[i-2], stride) );
 265          }
 266          else {
 267             setup_tri( setup_ctx,
 268                        get_vert(vertex_buffer, indices[i+(i&1)-2], stride),
 269                        get_vert(vertex_buffer, indices[i-(i&1)-1], stride),
 270                        get_vert(vertex_buffer, indices[i-0], stride) );
 271          }
 272       }
 273       break;
 274
 275    case PIPE_PRIM_TRIANGLE_FAN:
 276       for (i = 2; i < nr; i += 1) {
 277          if (llvmpipe->rasterizer->flatshade_first) {
 278             setup_tri( setup_ctx,
 279                        get_vert(vertex_buffer, indices[i-0], stride),
 280                        get_vert(vertex_buffer, indices[0], stride),
 281                        get_vert(vertex_buffer, indices[i-1], stride) );
 282          }
 283          else {
 284             setup_tri( setup_ctx,
 285                        get_vert(vertex_buffer, indices[0], stride),
 286                        get_vert(vertex_buffer, indices[i-1], stride),
 287                        get_vert(vertex_buffer, indices[i-0], stride) );
 288          }
 289       }
 290       break;
 291
 292    case PIPE_PRIM_QUADS:
 293       for (i = 3; i < nr; i += 4) {
 294          if (llvmpipe->rasterizer->flatshade_first) {
 295             setup_tri( setup_ctx,
 296                        get_vert(vertex_buffer, indices[i-2], stride),
 297                        get_vert(vertex_buffer, indices[i-1], stride),
 298                        get_vert(vertex_buffer, indices[i-3], stride) );
 299             setup_tri( setup_ctx,
 300                        get_vert(vertex_buffer, indices[i-1], stride),
 301                        get_vert(vertex_buffer, indices[i-0], stride),
 302                        get_vert(vertex_buffer, indices[i-3], stride) );
 303          }
 304          else {
 305             setup_tri( setup_ctx,
 306                        get_vert(vertex_buffer, indices[i-3], stride),
 307                        get_vert(vertex_buffer, indices[i-2], stride),
 308                        get_vert(vertex_buffer, indices[i-0], stride) );
 309
 310             setup_tri( setup_ctx,
 311                        get_vert(vertex_buffer, indices[i-2], stride),
 312                        get_vert(vertex_buffer, indices[i-1], stride),
 313                        get_vert(vertex_buffer, indices[i-0], stride) );
 314          }
 315       }
 316       break;
 317
 318    case PIPE_PRIM_QUAD_STRIP:
 319       for (i = 3; i < nr; i += 2) {
 320          if (llvmpipe->rasterizer->flatshade_first) {
 321             setup_tri( setup_ctx,
 322                        get_vert(vertex_buffer, indices[i-0], stride),
 323                        get_vert(vertex_buffer, indices[i-1], stride),
 324                        get_vert(vertex_buffer, indices[i-3], stride));
 325             setup_tri( setup_ctx,
 326                        get_vert(vertex_buffer, indices[i-2], stride),
 327                        get_vert(vertex_buffer, indices[i-0], stride),
 328                        get_vert(vertex_buffer, indices[i-3], stride) );
 329          }
 330          else {
 331             setup_tri( setup_ctx,
 332                        get_vert(vertex_buffer, indices[i-3], stride),
 333                        get_vert(vertex_buffer, indices[i-2], stride),
 334                        get_vert(vertex_buffer, indices[i-0], stride) );
 335             setup_tri( setup_ctx,
 336                        get_vert(vertex_buffer, indices[i-1], stride),
 337                        get_vert(vertex_buffer, indices[i-3], stride),
 338                        get_vert(vertex_buffer, indices[i-0], stride) );
 339          }
 340       }
 341       break;
 342
 343    case PIPE_PRIM_POLYGON:
 344       /* Almost same as tri fan but the _first_ vertex specifies the flat
 345        * shading color.  Note that the first polygon vertex is passed as
 346        * the last triangle vertex here.
 347        * flatshade_first state makes no difference.
 348        */
 349       for (i = 2; i < nr; i += 1) {
 350          setup_tri( setup_ctx,
 351                     get_vert(vertex_buffer, indices[i-0], stride),
 352                     get_vert(vertex_buffer, indices[i-1], stride),
 353                     get_vert(vertex_buffer, indices[0], stride) );
 354       }
 355       break;
 356
 357    default:
 358       assert(0);
 359    }
 360
 361    /* XXX: why are we calling this???  If we had to call something, it
 362     * would be a function in lp_setup.c:
 363     */
 364    lp_draw_flush( setup );
 365 }
 366
 367
 368 /**
 369  * This function is hit when the draw module is working in pass-through mode.
 370  * It's up to us to convert the vertex array into point/line/tri prims.
 371  */
 372 static void
 373 lp_vbuf_draw_arrays(struct vbuf_render *vbr, uint start, uint nr)
 374 {
 375    struct llvmpipe_vbuf_render *cvbr = llvmpipe_vbuf_render(vbr);
 376    struct llvmpipe_context *llvmpipe = cvbr->llvmpipe;
 377    const unsigned stride = llvmpipe->vertex_info_vbuf.size * sizeof(float);
 378    const void *vertex_buffer =
 379       (void *) get_vert(cvbr->vertex_buffer, start, stride);
 380    unsigned i;
 381
 382    /* XXX: break this dependency - make setup_context live under
 383     * llvmpipe, rename the old "setup" draw stage to something else.
 384     */
 385    struct draw_stage *setup = llvmpipe->setup;
 386    struct setup_context *setup_ctx = lp_draw_setup_context(setup);
 387
 388    switch (cvbr->prim) {
 389    case PIPE_PRIM_POINTS:
 390       for (i = 0; i < nr; i++) {
 391          setup_point( setup_ctx,
 392                       get_vert(vertex_buffer, i-0, stride) );
 393       }
 394       break;
 395
 396    case PIPE_PRIM_LINES:
 397       for (i = 1; i < nr; i += 2) {
 398          setup_line( setup_ctx,
 399                      get_vert(vertex_buffer, i-1, stride),
 400                      get_vert(vertex_buffer, i-0, stride) );
 401       }
 402       break;
 403
 404    case PIPE_PRIM_LINE_STRIP:
 405       for (i = 1; i < nr; i ++) {
 406          setup_line( setup_ctx,
 407                      get_vert(vertex_buffer, i-1, stride),
 408                      get_vert(vertex_buffer, i-0, stride) );
 409       }
 410       break;
 411
 412    case PIPE_PRIM_LINE_LOOP:
 413       for (i = 1; i < nr; i ++) {
 414          setup_line( setup_ctx,
 415                      get_vert(vertex_buffer, i-1, stride),
 416                      get_vert(vertex_buffer, i-0, stride) );
 417       }
 418       if (nr) {
 419          setup_line( setup_ctx,
 420                      get_vert(vertex_buffer, nr-1, stride),
 421                      get_vert(vertex_buffer, 0, stride) );
 422       }
 423       break;
 424
 425    case PIPE_PRIM_TRIANGLES:
 426       for (i = 2; i < nr; i += 3) {
 427          if (llvmpipe->rasterizer->flatshade_first) {
 428             setup_tri( setup_ctx,
 429                        get_vert(vertex_buffer, i-1, stride),
 430                        get_vert(vertex_buffer, i-0, stride),
 431                        get_vert(vertex_buffer, i-2, stride) );
 432          }
 433          else {
 434             setup_tri( setup_ctx,
 435                        get_vert(vertex_buffer, i-2, stride),
 436                        get_vert(vertex_buffer, i-1, stride),
 437                        get_vert(vertex_buffer, i-0, stride) );
 438          }
 439       }
 440       break;
 441
 442    case PIPE_PRIM_TRIANGLE_STRIP:
 443       for (i = 2; i < nr; i++) {
 444          if (llvmpipe->rasterizer->flatshade_first) {
 445             setup_tri( setup_ctx,
 446                        get_vert(vertex_buffer, i+(i&1)-1, stride),
 447                        get_vert(vertex_buffer, i-(i&1), stride),
 448                        get_vert(vertex_buffer, i-2, stride) );
 449          }
 450          else {
 451             setup_tri( setup_ctx,
 452                        get_vert(vertex_buffer, i+(i&1)-2, stride),
 453                        get_vert(vertex_buffer, i-(i&1)-1, stride),
 454                        get_vert(vertex_buffer, i-0, stride) );
 455          }
 456       }
 457       break;
 458
 459    case PIPE_PRIM_TRIANGLE_FAN:
 460       for (i = 2; i < nr; i += 1) {
 461          if (llvmpipe->rasterizer->flatshade_first) {
 462             setup_tri( setup_ctx,
 463                        get_vert(vertex_buffer, i-0, stride),
 464                        get_vert(vertex_buffer, 0, stride),
 465                        get_vert(vertex_buffer, i-1, stride) );
 466          }
 467          else {
 468             setup_tri( setup_ctx,
 469                        get_vert(vertex_buffer, 0, stride),
 470                        get_vert(vertex_buffer, i-1, stride),
 471                        get_vert(vertex_buffer, i-0, stride) );
 472          }
 473       }
 474       break;
 475
 476    case PIPE_PRIM_QUADS:
 477       for (i = 3; i < nr; i += 4) {
 478          if (llvmpipe->rasterizer->flatshade_first) {
 479             setup_tri( setup_ctx,
 480                        get_vert(vertex_buffer, i-2, stride),
 481                        get_vert(vertex_buffer, i-1, stride),
 482                        get_vert(vertex_buffer, i-3, stride) );
 483             setup_tri( setup_ctx,
 484                        get_vert(vertex_buffer, i-1, stride),
 485                        get_vert(vertex_buffer, i-0, stride),
 486                        get_vert(vertex_buffer, i-3, stride) );
 487          }
 488          else {
 489             setup_tri( setup_ctx,
 490                        get_vert(vertex_buffer, i-3, stride),
 491                        get_vert(vertex_buffer, i-2, stride),
 492                        get_vert(vertex_buffer, i-0, stride) );
 493             setup_tri( setup_ctx,
 494                        get_vert(vertex_buffer, i-2, stride),
 495                        get_vert(vertex_buffer, i-1, stride),
 496                        get_vert(vertex_buffer, i-0, stride) );
 497          }
 498       }
 499       break;
 500
 501    case PIPE_PRIM_QUAD_STRIP:
 502       for (i = 3; i < nr; i += 2) {
 503          if (llvmpipe->rasterizer->flatshade_first) {
 504             setup_tri( setup_ctx,
 505                        get_vert(vertex_buffer, i-0, stride),
 506                        get_vert(vertex_buffer, i-1, stride),
 507                        get_vert(vertex_buffer, i-3, stride) );
 508             setup_tri( setup_ctx,
 509                        get_vert(vertex_buffer, i-2, stride),
 510                        get_vert(vertex_buffer, i-0, stride),
 511                        get_vert(vertex_buffer, i-3, stride) );
 512          }
 513          else {
 514             setup_tri( setup_ctx,
 515                        get_vert(vertex_buffer, i-3, stride),
 516                        get_vert(vertex_buffer, i-2, stride),
 517                        get_vert(vertex_buffer, i-0, stride) );
 518             setup_tri( setup_ctx,
 519                        get_vert(vertex_buffer, i-1, stride),
 520                        get_vert(vertex_buffer, i-3, stride),
 521                        get_vert(vertex_buffer, i-0, stride) );
 522          }
 523       }
 524       break;
 525
 526    case PIPE_PRIM_POLYGON:
 527       /* Almost same as tri fan but the _first_ vertex specifies the flat
 528        * shading color.  Note that the first polygon vertex is passed as
 529        * the last triangle vertex here.
 530        * flatshade_first state makes no difference.
 531        */
 532       for (i = 2; i < nr; i += 1) {
 533          setup_tri( setup_ctx,
 534                     get_vert(vertex_buffer, i-1, stride),
 535                     get_vert(vertex_buffer, i-0, stride),
 536                     get_vert(vertex_buffer, 0, stride) );
 537       }
 538       break;
 539
 540    default:
 541       assert(0);
 542    }
 543 }
 544
 545
 546
 547 static void
 548 lp_vbuf_destroy(struct vbuf_render *vbr)
 549 {
 550    struct llvmpipe_vbuf_render *cvbr = llvmpipe_vbuf_render(vbr);
 551    cvbr->llvmpipe->vbuf_render = NULL;
 552    FREE(cvbr);
 553 }
 554
 555
 556 /**
 557  * Initialize the post-transform vertex buffer information for the given
 558  * context.
 559  */
 560 void
 561 lp_init_vbuf(struct llvmpipe_context *lp)
 562 {
 563    assert(lp->draw);
 564
 565    lp->vbuf_render = CALLOC_STRUCT(llvmpipe_vbuf_render);
 566
 567    lp->vbuf_render->base.max_indices = LP_MAX_VBUF_INDEXES;
 568    lp->vbuf_render->base.max_vertex_buffer_bytes = LP_MAX_VBUF_SIZE;
 569
 570    lp->vbuf_render->base.get_vertex_info = lp_vbuf_get_vertex_info;
 571    lp->vbuf_render->base.allocate_vertices = lp_vbuf_allocate_vertices;
 572    lp->vbuf_render->base.map_vertices = lp_vbuf_map_vertices;
 573    lp->vbuf_render->base.unmap_vertices = lp_vbuf_unmap_vertices;
 574    lp->vbuf_render->base.set_primitive = lp_vbuf_set_primitive;
 575    lp->vbuf_render->base.draw = lp_vbuf_draw;
 576    lp->vbuf_render->base.draw_arrays = lp_vbuf_draw_arrays;
 577    lp->vbuf_render->base.release_vertices = lp_vbuf_release_vertices;
 578    lp->vbuf_render->base.destroy = lp_vbuf_destroy;
 579
 580    lp->vbuf_render->llvmpipe = lp;
 581
 582    lp->vbuf = draw_vbuf_stage(lp->draw, &lp->vbuf_render->base);
 583
 584    draw_set_rasterize_stage(lp->draw, lp->vbuf);
 585
 586    draw_set_render(lp->draw, &lp->vbuf_render->base);
 587 }