src/mesa/drivers/dri/i965/brw_vs.c

   1 /*
   2  Copyright (C) Intel Corp.  2006.  All Rights Reserved.
   3  Intel funded Tungsten Graphics (http://www.tungstengraphics.com) to
   4  develop this 3D driver.
   5
   6  Permission is hereby granted, free of charge, to any person obtaining
   7  a 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, sublicense, 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
  16  portions of the Software.
  17
  18  THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
  19  EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  20  MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
  21  IN NO EVENT SHALL THE COPYRIGHT OWNER(S) AND/OR ITS SUPPLIERS BE
  22  LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
  23  OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
  24  WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  25
  26  **********************************************************************/
  27  /*
  28   * Authors:
  29   *   Keith Whitwell <keith@tungstengraphics.com>
  30   */
  31
  32
  33 #include "main/compiler.h"
  34 #include "brw_context.h"
  35 #include "brw_vs.h"
  36 #include "brw_util.h"
  37 #include "brw_state.h"
  38 #include "program/prog_print.h"
  39 #include "program/prog_parameter.h"
  40
  41 #include "glsl/ralloc.h"
  42
  43 static inline void assign_vue_slot(struct brw_vue_map *vue_map,
  44                                    int varying)
  45 {
  46    /* Make sure this varying hasn't been assigned a slot already */
  47    assert (vue_map->varying_to_slot[varying] == -1);
  48
  49    vue_map->varying_to_slot[varying] = vue_map->num_slots;
  50    vue_map->slot_to_varying[vue_map->num_slots++] = varying;
  51 }
  52
  53 /**
  54  * Compute the VUE map for vertex shader program.
  55  *
  56  * Note that consumers of this map using cache keys must include
  57  * prog_data->userclip and prog_data->outputs_written in their key
  58  * (generated by CACHE_NEW_VS_PROG).
  59  */
  60 static void
  61 brw_compute_vue_map(struct brw_context *brw, struct brw_vs_compile *c,
  62                     GLbitfield64 slots_valid)
  63 {
  64    const struct intel_context *intel = &brw->intel;
  65    struct brw_vue_map *vue_map = &c->prog_data.vue_map;
  66
  67    /* Prior to Gen6, don't assign a slot for VARYING_SLOT_CLIP_VERTEX, since
  68     * it is unsupported.
  69     */
  70    if (intel->gen < 6)
  71       slots_valid &= ~VARYING_BIT_CLIP_VERTEX;
  72
  73    vue_map->slots_valid = slots_valid;
  74    int i;
  75
  76    /* Make sure that the values we store in vue_map->varying_to_slot and
  77     * vue_map->slot_to_varying won't overflow the signed chars that are used
  78     * to store them.  Note that since vue_map->slot_to_varying sometimes holds
  79     * values equal to BRW_VARYING_SLOT_COUNT, we need to ensure that
  80     * BRW_VARYING_SLOT_COUNT is <= 127, not 128.
  81     */
  82    STATIC_ASSERT(BRW_VARYING_SLOT_COUNT <= 127);
  83
  84    vue_map->num_slots = 0;
  85    for (i = 0; i < BRW_VARYING_SLOT_COUNT; ++i) {
  86       vue_map->varying_to_slot[i] = -1;
  87       vue_map->slot_to_varying[i] = BRW_VARYING_SLOT_COUNT;
  88    }
  89
  90    /* VUE header: format depends on chip generation and whether clipping is
  91     * enabled.
  92     */
  93    switch (intel->gen) {
  94    case 4:
  95       /* There are 8 dwords in VUE header pre-Ironlake:
  96        * dword 0-3 is indices, point width, clip flags.
  97        * dword 4-7 is ndc position
  98        * dword 8-11 is the first vertex data.
  99        */
 100       assign_vue_slot(vue_map, VARYING_SLOT_PSIZ);
 101       assign_vue_slot(vue_map, BRW_VARYING_SLOT_NDC);
 102       assign_vue_slot(vue_map, VARYING_SLOT_POS);
 103       break;
 104    case 5:
 105       /* There are 20 DWs (D0-D19) in VUE header on Ironlake:
 106        * dword 0-3 of the header is indices, point width, clip flags.
 107        * dword 4-7 is the ndc position
 108        * dword 8-11 of the vertex header is the 4D space position
 109        * dword 12-19 of the vertex header is the user clip distance.
 110        * dword 20-23 is a pad so that the vertex element data is aligned
 111        * dword 24-27 is the first vertex data we fill.
 112        *
 113        * Note: future pipeline stages expect 4D space position to be
 114        * contiguous with the other varyings, so we make dword 24-27 a
 115        * duplicate copy of the 4D space position.
 116        */
 117       assign_vue_slot(vue_map, VARYING_SLOT_PSIZ);
 118       assign_vue_slot(vue_map, BRW_VARYING_SLOT_NDC);
 119       assign_vue_slot(vue_map, BRW_VARYING_SLOT_POS_DUPLICATE);
 120       assign_vue_slot(vue_map, VARYING_SLOT_CLIP_DIST0);
 121       assign_vue_slot(vue_map, VARYING_SLOT_CLIP_DIST1);
 122       assign_vue_slot(vue_map, BRW_VARYING_SLOT_PAD);
 123       assign_vue_slot(vue_map, VARYING_SLOT_POS);
 124       break;
 125    case 6:
 126    case 7:
 127       /* There are 8 or 16 DWs (D0-D15) in VUE header on Sandybridge:
 128        * dword 0-3 of the header is indices, point width, clip flags.
 129        * dword 4-7 is the 4D space position
 130        * dword 8-15 of the vertex header is the user clip distance if
 131        * enabled.
 132        * dword 8-11 or 16-19 is the first vertex element data we fill.
 133        */
 134       assign_vue_slot(vue_map, VARYING_SLOT_PSIZ);
 135       assign_vue_slot(vue_map, VARYING_SLOT_POS);
 136       if (c->key.userclip_active) {
 137          assign_vue_slot(vue_map, VARYING_SLOT_CLIP_DIST0);
 138          assign_vue_slot(vue_map, VARYING_SLOT_CLIP_DIST1);
 139       }
 140       /* front and back colors need to be consecutive so that we can use
 141        * ATTRIBUTE_SWIZZLE_INPUTATTR_FACING to swizzle them when doing
 142        * two-sided color.
 143        */
 144       if (slots_valid & BITFIELD64_BIT(VARYING_SLOT_COL0))
 145          assign_vue_slot(vue_map, VARYING_SLOT_COL0);
 146       if (slots_valid & BITFIELD64_BIT(VARYING_SLOT_BFC0))
 147          assign_vue_slot(vue_map, VARYING_SLOT_BFC0);
 148       if (slots_valid & BITFIELD64_BIT(VARYING_SLOT_COL1))
 149          assign_vue_slot(vue_map, VARYING_SLOT_COL1);
 150       if (slots_valid & BITFIELD64_BIT(VARYING_SLOT_BFC1))
 151          assign_vue_slot(vue_map, VARYING_SLOT_BFC1);
 152       break;
 153    default:
 154       assert (!"VUE map not known for this chip generation");
 155       break;
 156    }
 157
 158    /* The hardware doesn't care about the rest of the vertex outputs, so just
 159     * assign them contiguously.  Don't reassign outputs that already have a
 160     * slot.
 161     *
 162     * We generally don't need to assign a slot for VARYING_SLOT_CLIP_VERTEX,
 163     * since it's encoded as the clip distances by emit_clip_distances().
 164     * However, it may be output by transform feedback, and we'd rather not
 165     * recompute state when TF changes, so we just always include it.
 166     */
 167    for (int i = 0; i < VARYING_SLOT_MAX; ++i) {
 168       if ((slots_valid & BITFIELD64_BIT(i)) &&
 169           vue_map->varying_to_slot[i] == -1) {
 170          assign_vue_slot(vue_map, i);
 171       }
 172    }
 173 }
 174
 175
 176 /**
 177  * Decide which set of clip planes should be used when clipping via
 178  * gl_Position or gl_ClipVertex.
 179  */
 180 gl_clip_plane *brw_select_clip_planes(struct gl_context *ctx)
 181 {
 182    if (ctx->Shader.CurrentVertexProgram) {
 183       /* There is currently a GLSL vertex shader, so clip according to GLSL
 184        * rules, which means compare gl_ClipVertex (or gl_Position, if
 185        * gl_ClipVertex wasn't assigned) against the eye-coordinate clip planes
 186        * that were stored in EyeUserPlane at the time the clip planes were
 187        * specified.
 188        */
 189       return ctx->Transform.EyeUserPlane;
 190    } else {
 191       /* Either we are using fixed function or an ARB vertex program.  In
 192        * either case the clip planes are going to be compared against
 193        * gl_Position (which is in clip coordinates) so we have to clip using
 194        * _ClipUserPlane, which was transformed into clip coordinates by Mesa
 195        * core.
 196        */
 197       return ctx->Transform._ClipUserPlane;
 198    }
 199 }
 200
 201 bool
 202 brw_vs_prog_data_compare(const void *in_a, const void *in_b,
 203                          int aux_size, const void *in_key)
 204 {
 205    const struct brw_vs_prog_data *a = in_a;
 206    const struct brw_vs_prog_data *b = in_b;
 207
 208    /* Compare all the struct up to the pointers. */
 209    if (memcmp(a, b, offsetof(struct brw_vs_prog_data, param)))
 210       return false;
 211
 212    if (memcmp(a->param, b->param, a->nr_params * sizeof(void *)))
 213       return false;
 214
 215    if (memcmp(a->pull_param, b->pull_param, a->nr_pull_params * sizeof(void *)))
 216       return false;
 217
 218    return true;
 219 }
 220
 221 static bool
 222 do_vs_prog(struct brw_context *brw,
 223            struct gl_shader_program *prog,
 224            struct brw_vertex_program *vp,
 225            struct brw_vs_prog_key *key)
 226 {
 227    struct intel_context *intel = &brw->intel;
 228    GLuint program_size;
 229    const GLuint *program;
 230    struct brw_vs_compile c;
 231    void *mem_ctx;
 232    int i;
 233    struct gl_shader *vs = NULL;
 234
 235    if (prog)
 236       vs = prog->_LinkedShaders[MESA_SHADER_VERTEX];
 237
 238    memset(&c, 0, sizeof(c));
 239    memcpy(&c.key, key, sizeof(*key));
 240
 241    mem_ctx = ralloc_context(NULL);
 242
 243    c.vp = vp;
 244
 245    /* Allocate the references to the uniforms that will end up in the
 246     * prog_data associated with the compiled program, and which will be freed
 247     * by the state cache.
 248     */
 249    int param_count;
 250    if (vs) {
 251       /* We add padding around uniform values below vec4 size, with the worst
 252        * case being a float value that gets blown up to a vec4, so be
 253        * conservative here.
 254        */
 255       param_count = vs->num_uniform_components * 4;
 256
 257    } else {
 258       param_count = vp->program.Base.Parameters->NumParameters * 4;
 259    }
 260    /* We also upload clip plane data as uniforms */
 261    param_count += MAX_CLIP_PLANES * 4;
 262
 263    c.prog_data.param = rzalloc_array(NULL, const float *, param_count);
 264    c.prog_data.pull_param = rzalloc_array(NULL, const float *, param_count);
 265
 266    GLbitfield64 outputs_written = vp->program.Base.OutputsWritten;
 267    c.prog_data.inputs_read = vp->program.Base.InputsRead;
 268
 269    if (c.key.copy_edgeflag) {
 270       outputs_written |= BITFIELD64_BIT(VARYING_SLOT_EDGE);
 271       c.prog_data.inputs_read |= VERT_BIT_EDGEFLAG;
 272    }
 273
 274    if (intel->gen < 6) {
 275       /* Put dummy slots into the VUE for the SF to put the replaced
 276        * point sprite coords in.  We shouldn't need these dummy slots,
 277        * which take up precious URB space, but it would mean that the SF
 278        * doesn't get nice aligned pairs of input coords into output
 279        * coords, which would be a pain to handle.
 280        */
 281       for (i = 0; i < 8; i++) {
 282          if (c.key.point_coord_replace & (1 << i))
 283             outputs_written |= BITFIELD64_BIT(VARYING_SLOT_TEX0 + i);
 284       }
 285    }
 286
 287    brw_compute_vue_map(brw, &c, outputs_written);
 288
 289    if (0) {
 290       _mesa_fprint_program_opt(stdout, &c.vp->program.Base, PROG_PRINT_DEBUG,
 291                                true);
 292    }
 293
 294    /* Emit GEN4 code.
 295     */
 296    program = brw_vs_emit(brw, prog, &c, mem_ctx, &program_size);
 297    if (program == NULL) {
 298       ralloc_free(mem_ctx);
 299       return false;
 300    }
 301
 302    if (c.prog_data.nr_pull_params)
 303       c.prog_data.num_surfaces = 1;
 304    if (c.vp->program.Base.SamplersUsed)
 305       c.prog_data.num_surfaces = SURF_INDEX_VS_TEXTURE(BRW_MAX_TEX_UNIT);
 306    if (prog &&
 307        prog->_LinkedShaders[MESA_SHADER_VERTEX]->NumUniformBlocks) {
 308       c.prog_data.num_surfaces =
 309          SURF_INDEX_VS_UBO(prog->_LinkedShaders[MESA_SHADER_VERTEX]->NumUniformBlocks);
 310    }
 311
 312    /* Scratch space is used for register spilling */
 313    if (c.last_scratch) {
 314       perf_debug("Vertex shader triggered register spilling.  "
 315                  "Try reducing the number of live vec4 values to "
 316                  "improve performance.\n");
 317
 318       c.prog_data.total_scratch = brw_get_scratch_size(c.last_scratch*REG_SIZE);
 319
 320       brw_get_scratch_bo(intel, &brw->vs.scratch_bo,
 321                          c.prog_data.total_scratch * brw->max_vs_threads);
 322    }
 323
 324    brw_upload_cache(&brw->cache, BRW_VS_PROG,
 325                     &c.key, sizeof(c.key),
 326                     program, program_size,
 327                     &c.prog_data, sizeof(c.prog_data),
 328                     &brw->vs.prog_offset, &brw->vs.prog_data);
 329    ralloc_free(mem_ctx);
 330
 331    return true;
 332 }
 333
 334 static bool
 335 key_debug(struct intel_context *intel, const char *name, int a, int b)
 336 {
 337    if (a != b) {
 338       perf_debug("  %s %d->%d\n", name, a, b);
 339       return true;
 340    }
 341    return false;
 342 }
 343
 344 void
 345 brw_vs_debug_recompile(struct brw_context *brw,
 346                        struct gl_shader_program *prog,
 347                        const struct brw_vs_prog_key *key)
 348 {
 349    struct intel_context *intel = &brw->intel;
 350    struct brw_cache_item *c = NULL;
 351    const struct brw_vs_prog_key *old_key = NULL;
 352    bool found = false;
 353
 354    perf_debug("Recompiling vertex shader for program %d\n", prog->Name);
 355
 356    for (unsigned int i = 0; i < brw->cache.size; i++) {
 357       for (c = brw->cache.items[i]; c; c = c->next) {
 358          if (c->cache_id == BRW_VS_PROG) {
 359             old_key = c->key;
 360
 361             if (old_key->program_string_id == key->program_string_id)
 362                break;
 363          }
 364       }
 365       if (c)
 366          break;
 367    }
 368
 369    if (!c) {
 370       perf_debug("  Didn't find previous compile in the shader cache for "
 371                  "debug\n");
 372       return;
 373    }
 374
 375    for (unsigned int i = 0; i < VERT_ATTRIB_MAX; i++) {
 376       found |= key_debug(intel, "Vertex attrib w/a flags",
 377                          old_key->gl_attrib_wa_flags[i],
 378                          key->gl_attrib_wa_flags[i]);
 379    }
 380
 381    found |= key_debug(intel, "user clip flags",
 382                       old_key->userclip_active, key->userclip_active);
 383
 384    found |= key_debug(intel, "user clipping planes as push constants",
 385                       old_key->nr_userclip_plane_consts,
 386                       key->nr_userclip_plane_consts);
 387
 388    found |= key_debug(intel, "clip distance enable",
 389                       old_key->uses_clip_distance, key->uses_clip_distance);
 390    found |= key_debug(intel, "clip plane enable bitfield",
 391                       old_key->userclip_planes_enabled_gen_4_5,
 392                       key->userclip_planes_enabled_gen_4_5);
 393    found |= key_debug(intel, "copy edgeflag",
 394                       old_key->copy_edgeflag, key->copy_edgeflag);
 395    found |= key_debug(intel, "PointCoord replace",
 396                       old_key->point_coord_replace, key->point_coord_replace);
 397    found |= key_debug(intel, "vertex color clamping",
 398                       old_key->clamp_vertex_color, key->clamp_vertex_color);
 399
 400    found |= brw_debug_recompile_sampler_key(intel, &old_key->tex, &key->tex);
 401
 402    if (!found) {
 403       perf_debug("  Something else\n");
 404    }
 405 }
 406
 407 static void brw_upload_vs_prog(struct brw_context *brw)
 408 {
 409    struct intel_context *intel = &brw->intel;
 410    struct gl_context *ctx = &intel->ctx;
 411    struct brw_vs_prog_key key;
 412    /* BRW_NEW_VERTEX_PROGRAM */
 413    struct brw_vertex_program *vp =
 414       (struct brw_vertex_program *)brw->vertex_program;
 415    struct gl_program *prog = (struct gl_program *) brw->vertex_program;
 416    int i;
 417
 418    memset(&key, 0, sizeof(key));
 419
 420    /* Just upload the program verbatim for now.  Always send it all
 421     * the inputs it asks for, whether they are varying or not.
 422     */
 423    key.program_string_id = vp->id;
 424    key.userclip_active = (ctx->Transform.ClipPlanesEnabled != 0);
 425    key.uses_clip_distance = vp->program.UsesClipDistance;
 426    if (key.userclip_active && !key.uses_clip_distance) {
 427       if (intel->gen < 6) {
 428          key.nr_userclip_plane_consts
 429             = _mesa_bitcount_64(ctx->Transform.ClipPlanesEnabled);
 430          key.userclip_planes_enabled_gen_4_5
 431             = ctx->Transform.ClipPlanesEnabled;
 432       } else {
 433          key.nr_userclip_plane_consts
 434             = _mesa_logbase2(ctx->Transform.ClipPlanesEnabled) + 1;
 435       }
 436    }
 437
 438    /* _NEW_POLYGON */
 439    if (intel->gen < 6) {
 440       key.copy_edgeflag = (ctx->Polygon.FrontMode != GL_FILL ||
 441                            ctx->Polygon.BackMode != GL_FILL);
 442    }
 443
 444    /* _NEW_LIGHT | _NEW_BUFFERS */
 445    key.clamp_vertex_color = ctx->Light._ClampVertexColor;
 446
 447    /* _NEW_POINT */
 448    if (intel->gen < 6 && ctx->Point.PointSprite) {
 449       for (i = 0; i < 8; i++) {
 450          if (ctx->Point.CoordReplace[i])
 451             key.point_coord_replace |= (1 << i);
 452       }
 453    }
 454
 455    /* _NEW_TEXTURE */
 456    brw_populate_sampler_prog_key_data(ctx, prog, &key.tex);
 457
 458    /* BRW_NEW_VERTICES */
 459    if (intel->gen < 8 && !intel->is_haswell) {
 460       /* Prior to Haswell, the hardware can't natively support GL_FIXED or
 461        * 2_10_10_10_REV vertex formats.  Set appropriate workaround flags.
 462        */
 463       for (i = 0; i < VERT_ATTRIB_MAX; i++) {
 464          if (!(vp->program.Base.InputsRead & BITFIELD64_BIT(i)))
 465             continue;
 466
 467          uint8_t wa_flags = 0;
 468
 469          switch (brw->vb.inputs[i].glarray->Type) {
 470
 471          case GL_FIXED:
 472             wa_flags = brw->vb.inputs[i].glarray->Size;
 473             break;
 474
 475          case GL_INT_2_10_10_10_REV:
 476             wa_flags |= BRW_ATTRIB_WA_SIGN;
 477             /* fallthough */
 478
 479          case GL_UNSIGNED_INT_2_10_10_10_REV:
 480             if (brw->vb.inputs[i].glarray->Format == GL_BGRA)
 481                wa_flags |= BRW_ATTRIB_WA_BGRA;
 482
 483             if (brw->vb.inputs[i].glarray->Normalized)
 484                wa_flags |= BRW_ATTRIB_WA_NORMALIZE;
 485             else if (!brw->vb.inputs[i].glarray->Integer)
 486                wa_flags |= BRW_ATTRIB_WA_SCALE;
 487
 488             break;
 489          }
 490
 491          key.gl_attrib_wa_flags[i] = wa_flags;
 492       }
 493    }
 494
 495    if (!brw_search_cache(&brw->cache, BRW_VS_PROG,
 496                          &key, sizeof(key),
 497                          &brw->vs.prog_offset, &brw->vs.prog_data)) {
 498       bool success = do_vs_prog(brw, ctx->Shader.CurrentVertexProgram,
 499                                 vp, &key);
 500
 501       assert(success);
 502    }
 503    if (memcmp(&brw->vs.prog_data->vue_map, &brw->vue_map_geom_out,
 504               sizeof(brw->vue_map_geom_out)) != 0) {
 505       brw->vue_map_geom_out = brw->vs.prog_data->vue_map;
 506       brw->state.dirty.brw |= BRW_NEW_VUE_MAP_GEOM_OUT;
 507    }
 508 }
 509
 510 /* See brw_vs.c:
 511  */
 512 const struct brw_tracked_state brw_vs_prog = {
 513    .dirty = {
 514       .mesa  = (_NEW_TRANSFORM | _NEW_POLYGON | _NEW_POINT | _NEW_LIGHT |
 515                 _NEW_TEXTURE |
 516                 _NEW_BUFFERS),
 517       .brw   = (BRW_NEW_VERTEX_PROGRAM |
 518                 BRW_NEW_VERTICES),
 519       .cache = 0
 520    },
 521    .emit = brw_upload_vs_prog
 522 };
 523
 524 bool
 525 brw_vs_precompile(struct gl_context *ctx, struct gl_shader_program *prog)
 526 {
 527    struct brw_context *brw = brw_context(ctx);
 528    struct brw_vs_prog_key key;
 529    uint32_t old_prog_offset = brw->vs.prog_offset;
 530    struct brw_vs_prog_data *old_prog_data = brw->vs.prog_data;
 531    bool success;
 532
 533    if (!prog->_LinkedShaders[MESA_SHADER_VERTEX])
 534       return true;
 535
 536    struct gl_vertex_program *vp = (struct gl_vertex_program *)
 537       prog->_LinkedShaders[MESA_SHADER_VERTEX]->Program;
 538    struct brw_vertex_program *bvp = brw_vertex_program(vp);
 539
 540    memset(&key, 0, sizeof(key));
 541
 542    key.program_string_id = bvp->id;
 543    key.clamp_vertex_color = true;
 544
 545    for (int i = 0; i < MAX_SAMPLERS; i++) {
 546       if (vp->Base.ShadowSamplers & (1 << i)) {
 547          /* Assume DEPTH_TEXTURE_MODE is the default: X, X, X, 1 */
 548          key.tex.swizzles[i] =
 549             MAKE_SWIZZLE4(SWIZZLE_X, SWIZZLE_X, SWIZZLE_X, SWIZZLE_ONE);
 550       } else {
 551          /* Color sampler: assume no swizzling. */
 552          key.tex.swizzles[i] = SWIZZLE_XYZW;
 553       }
 554    }
 555
 556    success = do_vs_prog(brw, prog, bvp, &key);
 557
 558    brw->vs.prog_offset = old_prog_offset;
 559    brw->vs.prog_data = old_prog_data;
 560
 561    return success;
 562 }
 563
 564 void
 565 brw_vs_prog_data_free(const void *in_prog_data)
 566 {
 567    const struct brw_vs_prog_data *prog_data = in_prog_data;
 568
 569    ralloc_free((void *)prog_data->param);
 570    ralloc_free((void *)prog_data->pull_param);
 571 }