src/mesa/drivers/dri/i965/brw_wm.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 #include "brw_context.h"
  33 #include "brw_wm.h"
  34 #include "brw_state.h"
  35 #include "main/enums.h"
  36 #include "main/formats.h"
  37 #include "main/fbobject.h"
  38 #include "main/samplerobj.h"
  39 #include "program/prog_parameter.h"
  40 #include "program/program.h"
  41
  42 #include "glsl/ralloc.h"
  43
  44 /**
  45  * Return a bitfield where bit n is set if barycentric interpolation mode n
  46  * (see enum brw_wm_barycentric_interp_mode) is needed by the fragment shader.
  47  */
  48 static unsigned
  49 brw_compute_barycentric_interp_modes(struct brw_context *brw,
  50                                      bool shade_model_flat,
  51                                      const struct gl_fragment_program *fprog)
  52 {
  53    unsigned barycentric_interp_modes = 0;
  54    int attr;
  55
  56    /* Loop through all fragment shader inputs to figure out what interpolation
  57     * modes are in use, and set the appropriate bits in
  58     * barycentric_interp_modes.
  59     */
  60    for (attr = 0; attr < VARYING_SLOT_MAX; ++attr) {
  61       enum glsl_interp_qualifier interp_qualifier =
  62          fprog->InterpQualifier[attr];
  63       bool is_centroid = fprog->IsCentroid & BITFIELD64_BIT(attr);
  64       bool is_gl_Color = attr == VARYING_SLOT_COL0 || attr == VARYING_SLOT_COL1;
  65
  66       /* Ignore unused inputs. */
  67       if (!(fprog->Base.InputsRead & BITFIELD64_BIT(attr)))
  68          continue;
  69
  70       /* Ignore WPOS and FACE, because they don't require interpolation. */
  71       if (attr == VARYING_SLOT_POS || attr == VARYING_SLOT_FACE)
  72          continue;
  73
  74       /* Determine the set (or sets) of barycentric coordinates needed to
  75        * interpolate this variable.  Note that when
  76        * brw->needs_unlit_centroid_workaround is set, centroid interpolation
  77        * uses PIXEL interpolation for unlit pixels and CENTROID interpolation
  78        * for lit pixels, so we need both sets of barycentric coordinates.
  79        */
  80       if (interp_qualifier == INTERP_QUALIFIER_NOPERSPECTIVE) {
  81          if (is_centroid) {
  82             barycentric_interp_modes |=
  83                1 << BRW_WM_NONPERSPECTIVE_CENTROID_BARYCENTRIC;
  84          }
  85          if (!is_centroid || brw->needs_unlit_centroid_workaround) {
  86             barycentric_interp_modes |=
  87                1 << BRW_WM_NONPERSPECTIVE_PIXEL_BARYCENTRIC;
  88          }
  89       } else if (interp_qualifier == INTERP_QUALIFIER_SMOOTH ||
  90                  (!(shade_model_flat && is_gl_Color) &&
  91                   interp_qualifier == INTERP_QUALIFIER_NONE)) {
  92          if (is_centroid) {
  93             barycentric_interp_modes |=
  94                1 << BRW_WM_PERSPECTIVE_CENTROID_BARYCENTRIC;
  95          }
  96          if (!is_centroid || brw->needs_unlit_centroid_workaround) {
  97             barycentric_interp_modes |=
  98                1 << BRW_WM_PERSPECTIVE_PIXEL_BARYCENTRIC;
  99          }
 100       }
 101    }
 102
 103    return barycentric_interp_modes;
 104 }
 105
 106 bool
 107 brw_wm_prog_data_compare(const void *in_a, const void *in_b)
 108 {
 109    const struct brw_wm_prog_data *a = in_a;
 110    const struct brw_wm_prog_data *b = in_b;
 111
 112    /* Compare all the struct (including the base) up to the pointers. */
 113    if (memcmp(a, b, offsetof(struct brw_wm_prog_data, param)))
 114       return false;
 115
 116    if (memcmp(a->param, b->param, a->nr_params * sizeof(void *)))
 117       return false;
 118
 119    if (memcmp(a->pull_param, b->pull_param, a->nr_pull_params * sizeof(void *)))
 120       return false;
 121
 122    return true;
 123 }
 124
 125 void
 126 brw_wm_prog_data_free(const void *in_prog_data)
 127 {
 128    const struct brw_wm_prog_data *prog_data = in_prog_data;
 129
 130    ralloc_free((void *)prog_data->param);
 131    ralloc_free((void *)prog_data->pull_param);
 132 }
 133
 134 /**
 135  * All Mesa program -> GPU code generation goes through this function.
 136  * Depending on the instructions used (i.e. flow control instructions)
 137  * we'll use one of two code generators.
 138  */
 139 bool do_wm_prog(struct brw_context *brw,
 140                 struct gl_shader_program *prog,
 141                 struct brw_fragment_program *fp,
 142                 struct brw_wm_prog_key *key)
 143 {
 144    struct brw_wm_compile *c;
 145    const GLuint *program;
 146    struct gl_shader *fs = NULL;
 147    GLuint program_size;
 148
 149    if (prog)
 150       fs = prog->_LinkedShaders[MESA_SHADER_FRAGMENT];
 151
 152    c = rzalloc(NULL, struct brw_wm_compile);
 153
 154    /* Allocate the references to the uniforms that will end up in the
 155     * prog_data associated with the compiled program, and which will be freed
 156     * by the state cache.
 157     */
 158    int param_count;
 159    if (fs) {
 160       param_count = fs->num_uniform_components;
 161    } else {
 162       param_count = fp->program.Base.Parameters->NumParameters * 4;
 163    }
 164    /* The backend also sometimes adds params for texture size. */
 165    param_count += 2 * BRW_MAX_TEX_UNIT;
 166    c->prog_data.param = rzalloc_array(NULL, const float *, param_count);
 167    c->prog_data.pull_param = rzalloc_array(NULL, const float *, param_count);
 168
 169    memcpy(&c->key, key, sizeof(*key));
 170
 171    c->prog_data.barycentric_interp_modes =
 172       brw_compute_barycentric_interp_modes(brw, c->key.flat_shade,
 173                                            &fp->program);
 174
 175    program = brw_wm_fs_emit(brw, c, &fp->program, prog, &program_size);
 176    if (program == NULL)
 177       return false;
 178
 179    /* Scratch space is used for register spilling */
 180    if (c->last_scratch) {
 181       perf_debug("Fragment shader triggered register spilling.  "
 182                  "Try reducing the number of live scalar values to "
 183                  "improve performance.\n");
 184
 185       c->prog_data.total_scratch = brw_get_scratch_size(c->last_scratch);
 186
 187       brw_get_scratch_bo(brw, &brw->wm.base.scratch_bo,
 188                          c->prog_data.total_scratch * brw->max_wm_threads);
 189    }
 190
 191    if (unlikely(INTEL_DEBUG & DEBUG_WM))
 192       fprintf(stderr, "\n");
 193
 194    brw_upload_cache(&brw->cache, BRW_WM_PROG,
 195                     &c->key, sizeof(c->key),
 196                     program, program_size,
 197                     &c->prog_data, sizeof(c->prog_data),
 198                     &brw->wm.base.prog_offset, &brw->wm.prog_data);
 199
 200    ralloc_free(c);
 201
 202    return true;
 203 }
 204
 205 static bool
 206 key_debug(struct brw_context *brw, const char *name, int a, int b)
 207 {
 208    if (a != b) {
 209       perf_debug("  %s %d->%d\n", name, a, b);
 210       return true;
 211    } else {
 212       return false;
 213    }
 214 }
 215
 216 bool
 217 brw_debug_recompile_sampler_key(struct brw_context *brw,
 218                                 const struct brw_sampler_prog_key_data *old_key,
 219                                 const struct brw_sampler_prog_key_data *key)
 220 {
 221    bool found = false;
 222
 223    for (unsigned int i = 0; i < MAX_SAMPLERS; i++) {
 224       found |= key_debug(brw, "EXT_texture_swizzle or DEPTH_TEXTURE_MODE",
 225                          old_key->swizzles[i], key->swizzles[i]);
 226    }
 227    found |= key_debug(brw, "GL_CLAMP enabled on any texture unit's 1st coordinate",
 228                       old_key->gl_clamp_mask[0], key->gl_clamp_mask[0]);
 229    found |= key_debug(brw, "GL_CLAMP enabled on any texture unit's 2nd coordinate",
 230                       old_key->gl_clamp_mask[1], key->gl_clamp_mask[1]);
 231    found |= key_debug(brw, "GL_CLAMP enabled on any texture unit's 3rd coordinate",
 232                       old_key->gl_clamp_mask[2], key->gl_clamp_mask[2]);
 233    found |= key_debug(brw, "GL_MESA_ycbcr texturing\n",
 234                       old_key->yuvtex_mask, key->yuvtex_mask);
 235    found |= key_debug(brw, "GL_MESA_ycbcr UV swapping\n",
 236                       old_key->yuvtex_swap_mask, key->yuvtex_swap_mask);
 237    found |= key_debug(brw, "gather channel quirk on any texture unit",
 238                       old_key->gather_channel_quirk_mask, key->gather_channel_quirk_mask);
 239
 240    return found;
 241 }
 242
 243 void
 244 brw_wm_debug_recompile(struct brw_context *brw,
 245                        struct gl_shader_program *prog,
 246                        const struct brw_wm_prog_key *key)
 247 {
 248    struct brw_cache_item *c = NULL;
 249    const struct brw_wm_prog_key *old_key = NULL;
 250    bool found = false;
 251
 252    perf_debug("Recompiling fragment shader for program %d\n", prog->Name);
 253
 254    for (unsigned int i = 0; i < brw->cache.size; i++) {
 255       for (c = brw->cache.items[i]; c; c = c->next) {
 256          if (c->cache_id == BRW_WM_PROG) {
 257             old_key = c->key;
 258
 259             if (old_key->program_string_id == key->program_string_id)
 260                break;
 261          }
 262       }
 263       if (c)
 264          break;
 265    }
 266
 267    if (!c) {
 268       perf_debug("  Didn't find previous compile in the shader cache for debug\n");
 269       return;
 270    }
 271
 272    found |= key_debug(brw, "alphatest, computed depth, depth test, or "
 273                       "depth write",
 274                       old_key->iz_lookup, key->iz_lookup);
 275    found |= key_debug(brw, "depth statistics",
 276                       old_key->stats_wm, key->stats_wm);
 277    found |= key_debug(brw, "flat shading",
 278                       old_key->flat_shade, key->flat_shade);
 279    found |= key_debug(brw, "number of color buffers",
 280                       old_key->nr_color_regions, key->nr_color_regions);
 281    found |= key_debug(brw, "MRT alpha test or alpha-to-coverage",
 282                       old_key->replicate_alpha, key->replicate_alpha);
 283    found |= key_debug(brw, "rendering to FBO",
 284                       old_key->render_to_fbo, key->render_to_fbo);
 285    found |= key_debug(brw, "fragment color clamping",
 286                       old_key->clamp_fragment_color, key->clamp_fragment_color);
 287    found |= key_debug(brw, "line smoothing",
 288                       old_key->line_aa, key->line_aa);
 289    found |= key_debug(brw, "renderbuffer height",
 290                       old_key->drawable_height, key->drawable_height);
 291    found |= key_debug(brw, "input slots valid",
 292                       old_key->input_slots_valid, key->input_slots_valid);
 293    found |= key_debug(brw, "mrt alpha test function",
 294                       old_key->alpha_test_func, key->alpha_test_func);
 295    found |= key_debug(brw, "mrt alpha test reference value",
 296                       old_key->alpha_test_ref, key->alpha_test_ref);
 297
 298    found |= brw_debug_recompile_sampler_key(brw, &old_key->tex, &key->tex);
 299
 300    if (!found) {
 301       perf_debug("  Something else\n");
 302    }
 303 }
 304
 305 void
 306 brw_populate_sampler_prog_key_data(struct gl_context *ctx,
 307                                    const struct gl_program *prog,
 308                                    unsigned sampler_count,
 309                                    struct brw_sampler_prog_key_data *key)
 310 {
 311    struct brw_context *brw = brw_context(ctx);
 312
 313    for (int s = 0; s < sampler_count; s++) {
 314       key->swizzles[s] = SWIZZLE_NOOP;
 315
 316       if (!(prog->SamplersUsed & (1 << s)))
 317          continue;
 318
 319       int unit_id = prog->SamplerUnits[s];
 320       const struct gl_texture_unit *unit = &ctx->Texture.Unit[unit_id];
 321
 322       if (unit->_ReallyEnabled && unit->_Current->Target != GL_TEXTURE_BUFFER) {
 323          const struct gl_texture_object *t = unit->_Current;
 324          const struct gl_texture_image *img = t->Image[0][t->BaseLevel];
 325          struct gl_sampler_object *sampler = _mesa_get_samplerobj(ctx, unit_id);
 326
 327          const bool alpha_depth = t->DepthMode == GL_ALPHA &&
 328             (img->_BaseFormat == GL_DEPTH_COMPONENT ||
 329              img->_BaseFormat == GL_DEPTH_STENCIL);
 330
 331          /* Haswell handles texture swizzling as surface format overrides
 332           * (except for GL_ALPHA); all other platforms need MOVs in the shader.
 333           */
 334          if (!brw->is_haswell || alpha_depth)
 335             key->swizzles[s] = brw_get_texture_swizzle(ctx, t);
 336
 337          if (img->InternalFormat == GL_YCBCR_MESA) {
 338             key->yuvtex_mask |= 1 << s;
 339             if (img->TexFormat == MESA_FORMAT_YCBCR)
 340                 key->yuvtex_swap_mask |= 1 << s;
 341          }
 342
 343          if (sampler->MinFilter != GL_NEAREST &&
 344              sampler->MagFilter != GL_NEAREST) {
 345             if (sampler->WrapS == GL_CLAMP)
 346                key->gl_clamp_mask[0] |= 1 << s;
 347             if (sampler->WrapT == GL_CLAMP)
 348                key->gl_clamp_mask[1] |= 1 << s;
 349             if (sampler->WrapR == GL_CLAMP)
 350                key->gl_clamp_mask[2] |= 1 << s;
 351          }
 352
 353          /* gather4's channel select for green from RG32F is broken;
 354           * requires a shader w/a on IVB; fixable with just SCS on HSW. */
 355          if (brw->gen >= 7 && !brw->is_haswell && prog->UsesGather) {
 356             if (img->InternalFormat == GL_RG32F)
 357                key->gather_channel_quirk_mask |= 1 << s;
 358          }
 359       }
 360    }
 361 }
 362
 363 static void brw_wm_populate_key( struct brw_context *brw,
 364                                  struct brw_wm_prog_key *key )
 365 {
 366    struct gl_context *ctx = &brw->ctx;
 367    /* BRW_NEW_FRAGMENT_PROGRAM */
 368    const struct brw_fragment_program *fp =
 369       (struct brw_fragment_program *)brw->fragment_program;
 370    const struct gl_program *prog = (struct gl_program *) brw->fragment_program;
 371    GLuint lookup = 0;
 372    GLuint line_aa;
 373    bool program_uses_dfdy = fp->program.UsesDFdy;
 374    bool multisample_fbo = ctx->DrawBuffer->Visual.samples > 1;
 375
 376    memset(key, 0, sizeof(*key));
 377
 378    /* Build the index for table lookup
 379     */
 380    if (brw->gen < 6) {
 381       /* _NEW_COLOR */
 382       if (fp->program.UsesKill || ctx->Color.AlphaEnabled)
 383          lookup |= IZ_PS_KILL_ALPHATEST_BIT;
 384
 385       if (fp->program.Base.OutputsWritten & BITFIELD64_BIT(FRAG_RESULT_DEPTH))
 386          lookup |= IZ_PS_COMPUTES_DEPTH_BIT;
 387
 388       /* _NEW_DEPTH */
 389       if (ctx->Depth.Test)
 390          lookup |= IZ_DEPTH_TEST_ENABLE_BIT;
 391
 392       if (ctx->Depth.Test && ctx->Depth.Mask) /* ?? */
 393          lookup |= IZ_DEPTH_WRITE_ENABLE_BIT;
 394
 395       /* _NEW_STENCIL | _NEW_BUFFERS */
 396       if (ctx->Stencil._Enabled) {
 397          lookup |= IZ_STENCIL_TEST_ENABLE_BIT;
 398
 399          if (ctx->Stencil.WriteMask[0] ||
 400              ctx->Stencil.WriteMask[ctx->Stencil._BackFace])
 401             lookup |= IZ_STENCIL_WRITE_ENABLE_BIT;
 402       }
 403       key->iz_lookup = lookup;
 404    }
 405
 406    line_aa = AA_NEVER;
 407
 408    /* _NEW_LINE, _NEW_POLYGON, BRW_NEW_REDUCED_PRIMITIVE */
 409    if (ctx->Line.SmoothFlag) {
 410       if (brw->reduced_primitive == GL_LINES) {
 411          line_aa = AA_ALWAYS;
 412       }
 413       else if (brw->reduced_primitive == GL_TRIANGLES) {
 414          if (ctx->Polygon.FrontMode == GL_LINE) {
 415             line_aa = AA_SOMETIMES;
 416
 417             if (ctx->Polygon.BackMode == GL_LINE ||
 418                 (ctx->Polygon.CullFlag &&
 419                  ctx->Polygon.CullFaceMode == GL_BACK))
 420                line_aa = AA_ALWAYS;
 421          }
 422          else if (ctx->Polygon.BackMode == GL_LINE) {
 423             line_aa = AA_SOMETIMES;
 424
 425             if ((ctx->Polygon.CullFlag &&
 426                  ctx->Polygon.CullFaceMode == GL_FRONT))
 427                line_aa = AA_ALWAYS;
 428          }
 429       }
 430    }
 431
 432    key->line_aa = line_aa;
 433
 434    /* _NEW_HINT */
 435    if (brw->disable_derivative_optimization) {
 436       key->high_quality_derivatives =
 437          ctx->Hint.FragmentShaderDerivative != GL_FASTEST;
 438    } else {
 439       key->high_quality_derivatives =
 440          ctx->Hint.FragmentShaderDerivative == GL_NICEST;
 441    }
 442
 443    if (brw->gen < 6)
 444       key->stats_wm = brw->stats_wm;
 445
 446    /* _NEW_LIGHT */
 447    key->flat_shade = (ctx->Light.ShadeModel == GL_FLAT);
 448
 449    /* _NEW_FRAG_CLAMP | _NEW_BUFFERS */
 450    key->clamp_fragment_color = ctx->Color._ClampFragmentColor;
 451
 452    /* _NEW_TEXTURE */
 453    brw_populate_sampler_prog_key_data(ctx, prog, brw->wm.base.sampler_count,
 454                                       &key->tex);
 455
 456    /* _NEW_BUFFERS */
 457    /*
 458     * Include the draw buffer origin and height so that we can calculate
 459     * fragment position values relative to the bottom left of the drawable,
 460     * from the incoming screen origin relative position we get as part of our
 461     * payload.
 462     *
 463     * This is only needed for the WM_WPOSXY opcode when the fragment program
 464     * uses the gl_FragCoord input.
 465     *
 466     * We could avoid recompiling by including this as a constant referenced by
 467     * our program, but if we were to do that it would also be nice to handle
 468     * getting that constant updated at batchbuffer submit time (when we
 469     * hold the lock and know where the buffer really is) rather than at emit
 470     * time when we don't hold the lock and are just guessing.  We could also
 471     * just avoid using this as key data if the program doesn't use
 472     * fragment.position.
 473     *
 474     * For DRI2 the origin_x/y will always be (0,0) but we still need the
 475     * drawable height in order to invert the Y axis.
 476     */
 477    if (fp->program.Base.InputsRead & VARYING_BIT_POS) {
 478       key->drawable_height = ctx->DrawBuffer->Height;
 479    }
 480
 481    if ((fp->program.Base.InputsRead & VARYING_BIT_POS) || program_uses_dfdy) {
 482       key->render_to_fbo = _mesa_is_user_fbo(ctx->DrawBuffer);
 483    }
 484
 485    /* _NEW_BUFFERS */
 486    key->nr_color_regions = ctx->DrawBuffer->_NumColorDrawBuffers;
 487
 488    /* _NEW_MULTISAMPLE, _NEW_COLOR, _NEW_BUFFERS */
 489    key->replicate_alpha = ctx->DrawBuffer->_NumColorDrawBuffers > 1 &&
 490       (ctx->Multisample.SampleAlphaToCoverage || ctx->Color.AlphaEnabled);
 491
 492    /* _NEW_BUFFERS _NEW_MULTISAMPLE */
 493    key->compute_pos_offset =
 494       _mesa_get_min_invocations_per_fragment(ctx, &fp->program) > 1 &&
 495       fp->program.Base.SystemValuesRead & SYSTEM_BIT_SAMPLE_POS;
 496
 497    key->compute_sample_id =
 498       multisample_fbo &&
 499       ctx->Multisample.Enabled &&
 500       (fp->program.Base.SystemValuesRead & SYSTEM_BIT_SAMPLE_ID);
 501
 502    /* BRW_NEW_VUE_MAP_GEOM_OUT */
 503    if (brw->gen < 6 || _mesa_bitcount_64(fp->program.Base.InputsRead &
 504                                          BRW_FS_VARYING_INPUT_MASK) > 16)
 505       key->input_slots_valid = brw->vue_map_geom_out.slots_valid;
 506
 507
 508    /* _NEW_COLOR | _NEW_BUFFERS */
 509    /* Pre-gen6, the hardware alpha test always used each render
 510     * target's alpha to do alpha test, as opposed to render target 0's alpha
 511     * like GL requires.  Fix that by building the alpha test into the
 512     * shader, and we'll skip enabling the fixed function alpha test.
 513     */
 514    if (brw->gen < 6 && ctx->DrawBuffer->_NumColorDrawBuffers > 1 && ctx->Color.AlphaEnabled) {
 515       key->alpha_test_func = ctx->Color.AlphaFunc;
 516       key->alpha_test_ref = ctx->Color.AlphaRef;
 517    }
 518
 519    /* The unique fragment program ID */
 520    key->program_string_id = fp->id;
 521 }
 522
 523
 524 static void
 525 brw_upload_wm_prog(struct brw_context *brw)
 526 {
 527    struct gl_context *ctx = &brw->ctx;
 528    struct brw_wm_prog_key key;
 529    struct brw_fragment_program *fp = (struct brw_fragment_program *)
 530       brw->fragment_program;
 531
 532    brw_wm_populate_key(brw, &key);
 533
 534    if (!brw_search_cache(&brw->cache, BRW_WM_PROG,
 535                          &key, sizeof(key),
 536                          &brw->wm.base.prog_offset, &brw->wm.prog_data)) {
 537       bool success = do_wm_prog(brw, ctx->Shader._CurrentFragmentProgram, fp,
 538                                 &key);
 539       (void) success;
 540       assert(success);
 541    }
 542    brw->wm.base.prog_data = &brw->wm.prog_data->base;
 543 }
 544
 545
 546 const struct brw_tracked_state brw_wm_prog = {
 547    .dirty = {
 548       .mesa  = (_NEW_COLOR |
 549                 _NEW_DEPTH |
 550                 _NEW_STENCIL |
 551                 _NEW_POLYGON |
 552                 _NEW_LINE |
 553                 _NEW_HINT |
 554                 _NEW_LIGHT |
 555                 _NEW_FRAG_CLAMP |
 556                 _NEW_BUFFERS |
 557                 _NEW_TEXTURE |
 558                 _NEW_MULTISAMPLE),
 559       .brw   = (BRW_NEW_FRAGMENT_PROGRAM |
 560                 BRW_NEW_REDUCED_PRIMITIVE |
 561                 BRW_NEW_VUE_MAP_GEOM_OUT |
 562                 BRW_NEW_STATS_WM)
 563    },
 564    .emit = brw_upload_wm_prog
 565 };
 566