src/mesa/drivers/dri/i965/brw_state_upload.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
  34 #include "brw_context.h"
  35 #include "brw_state.h"
  36 #include "intel_batchbuffer.h"
  37 #include "intel_buffers.h"
  38
  39 static const struct brw_tracked_state *gen4_atoms[] =
  40 {
  41    &brw_wm_input_sizes,
  42    &brw_vs_prog, /* must do before GS prog, state base address. */
  43    &brw_gs_prog, /* must do before state base address */
  44    &brw_clip_prog, /* must do before state base address */
  45    &brw_sf_prog, /* must do before state base address */
  46    &brw_wm_prog, /* must do before state base address */
  47
  48    /* Once all the programs are done, we know how large urb entry
  49     * sizes need to be and can decide if we need to change the urb
  50     * layout.
  51     */
  52    &brw_curbe_offsets,
  53    &brw_recalculate_urb_fence,
  54
  55    &brw_cc_vp,
  56    &brw_cc_unit,
  57
  58    /* Surface state setup.  Must come before the VS/WM unit.  The binding
  59     * table upload must be last.
  60     */
  61    &brw_vs_pull_constants,
  62    &brw_wm_pull_constants,
  63    &brw_renderbuffer_surfaces,
  64    &brw_texture_surfaces,
  65    &brw_vs_binding_table,
  66    &brw_wm_binding_table,
  67
  68    &brw_samplers,
  69
  70    /* These set up state for brw_psp_urb_cbs */
  71    &brw_wm_unit,
  72    &brw_sf_vp,
  73    &brw_sf_unit,
  74    &brw_vs_unit,                /* always required, enabled or not */
  75    &brw_clip_unit,
  76    &brw_gs_unit,
  77
  78    /* Command packets:
  79     */
  80    &brw_invariant_state,
  81    &brw_state_base_address,
  82
  83    &brw_binding_table_pointers,
  84    &brw_blend_constant_color,
  85
  86    &brw_depthbuffer,
  87
  88    &brw_polygon_stipple,
  89    &brw_polygon_stipple_offset,
  90
  91    &brw_line_stipple,
  92    &brw_aa_line_parameters,
  93
  94    &brw_psp_urb_cbs,
  95
  96    &brw_drawing_rect,
  97    &brw_indices,
  98    &brw_index_buffer,
  99    &brw_vertices,
 100
 101    &brw_constant_buffer
 102 };
 103
 104 static const struct brw_tracked_state *gen6_atoms[] =
 105 {
 106    &brw_wm_input_sizes,
 107    &brw_vs_prog, /* must do before state base address */
 108    &brw_gs_prog, /* must do before state base address */
 109    &brw_wm_prog, /* must do before state base address */
 110
 111    &gen6_clip_vp,
 112    &gen6_sf_vp,
 113
 114    /* Command packets: */
 115    &brw_invariant_state,
 116
 117    /* must do before binding table pointers, cc state ptrs */
 118    &brw_state_base_address,
 119
 120    &brw_cc_vp,
 121    &gen6_viewport_state,        /* must do after *_vp stages */
 122
 123    &gen6_urb,
 124    &gen6_blend_state,           /* must do before cc unit */
 125    &gen6_color_calc_state,      /* must do before cc unit */
 126    &gen6_depth_stencil_state,   /* must do before cc unit */
 127    &gen6_cc_state_pointers,
 128
 129    &gen6_vs_push_constants, /* Before vs_state */
 130    &gen6_wm_push_constants, /* Before wm_state */
 131
 132    /* Surface state setup.  Must come before the VS/WM unit.  The binding
 133     * table upload must be last.
 134     */
 135    &brw_vs_pull_constants,
 136    &brw_vs_ubo_surfaces,
 137    &brw_wm_pull_constants,
 138    &brw_wm_ubo_surfaces,
 139    &gen6_renderbuffer_surfaces,
 140    &brw_texture_surfaces,
 141    &gen6_sol_surface,
 142    &brw_vs_binding_table,
 143    &gen6_gs_binding_table,
 144    &brw_wm_binding_table,
 145
 146    &brw_samplers,
 147    &gen6_sampler_state,
 148    &gen6_multisample_state,
 149
 150    &gen6_vs_state,
 151    &gen6_gs_state,
 152    &gen6_clip_state,
 153    &gen6_sf_state,
 154    &gen6_wm_state,
 155
 156    &gen6_scissor_state,
 157
 158    &gen6_binding_table_pointers,
 159
 160    &brw_depthbuffer,
 161
 162    &brw_polygon_stipple,
 163    &brw_polygon_stipple_offset,
 164
 165    &brw_line_stipple,
 166    &brw_aa_line_parameters,
 167
 168    &brw_drawing_rect,
 169
 170    &gen6_sol_indices,
 171    &brw_indices,
 172    &brw_index_buffer,
 173    &brw_vertices,
 174 };
 175
 176 static const struct brw_tracked_state *gen7_atoms[] =
 177 {
 178    &brw_wm_input_sizes,
 179    &brw_vs_prog,
 180    &brw_wm_prog,
 181
 182    /* Command packets: */
 183    &brw_invariant_state,
 184    &gen7_push_constant_alloc,
 185
 186    /* must do before binding table pointers, cc state ptrs */
 187    &brw_state_base_address,
 188
 189    &brw_cc_vp,
 190    &gen7_cc_viewport_state_pointer, /* must do after brw_cc_vp */
 191    &gen7_sf_clip_viewport,
 192
 193    &gen7_urb,
 194    &gen6_blend_state,           /* must do before cc unit */
 195    &gen6_color_calc_state,      /* must do before cc unit */
 196    &gen6_depth_stencil_state,   /* must do before cc unit */
 197    &gen7_blend_state_pointer,
 198    &gen7_cc_state_pointer,
 199    &gen7_depth_stencil_state_pointer,
 200
 201    &gen6_vs_push_constants, /* Before vs_state */
 202    &gen6_wm_push_constants, /* Before wm_surfaces and constant_buffer */
 203
 204    /* Surface state setup.  Must come before the VS/WM unit.  The binding
 205     * table upload must be last.
 206     */
 207    &brw_vs_pull_constants,
 208    &brw_vs_ubo_surfaces,
 209    &brw_wm_pull_constants,
 210    &brw_wm_ubo_surfaces,
 211    &gen6_renderbuffer_surfaces,
 212    &brw_texture_surfaces,
 213    &brw_vs_binding_table,
 214    &brw_wm_binding_table,
 215
 216    &gen7_samplers,
 217    &gen6_multisample_state,
 218
 219    &gen7_disable_stages,
 220    &gen7_vs_state,
 221    &gen7_sol_state,
 222    &gen7_clip_state,
 223    &gen7_sbe_state,
 224    &gen7_sf_state,
 225    &gen7_wm_state,
 226    &gen7_ps_state,
 227
 228    &gen6_scissor_state,
 229
 230    &gen7_depthbuffer,
 231
 232    &brw_polygon_stipple,
 233    &brw_polygon_stipple_offset,
 234
 235    &brw_line_stipple,
 236    &brw_aa_line_parameters,
 237
 238    &brw_drawing_rect,
 239
 240    &brw_indices,
 241    &brw_index_buffer,
 242    &brw_vertices,
 243
 244    &haswell_cut_index,
 245 };
 246
 247
 248 void brw_init_state( struct brw_context *brw )
 249 {
 250    const struct brw_tracked_state **atoms;
 251    int num_atoms;
 252
 253    brw_init_caches(brw);
 254
 255    if (brw->intel.gen >= 7) {
 256       atoms = gen7_atoms;
 257       num_atoms = ARRAY_SIZE(gen7_atoms);
 258    } else if (brw->intel.gen == 6) {
 259       atoms = gen6_atoms;
 260       num_atoms = ARRAY_SIZE(gen6_atoms);
 261    } else {
 262       atoms = gen4_atoms;
 263       num_atoms = ARRAY_SIZE(gen4_atoms);
 264    }
 265
 266    brw->atoms = atoms;
 267    brw->num_atoms = num_atoms;
 268
 269    while (num_atoms--) {
 270       assert((*atoms)->dirty.mesa |
 271              (*atoms)->dirty.brw |
 272              (*atoms)->dirty.cache);
 273       assert((*atoms)->emit);
 274       atoms++;
 275    }
 276 }
 277
 278
 279 void brw_destroy_state( struct brw_context *brw )
 280 {
 281    brw_destroy_caches(brw);
 282 }
 283
 284 /***********************************************************************
 285  */
 286
 287 static GLuint check_state( const struct brw_state_flags *a,
 288                            const struct brw_state_flags *b )
 289 {
 290    return ((a->mesa & b->mesa) |
 291            (a->brw & b->brw) |
 292            (a->cache & b->cache)) != 0;
 293 }
 294
 295 static void accumulate_state( struct brw_state_flags *a,
 296                               const struct brw_state_flags *b )
 297 {
 298    a->mesa |= b->mesa;
 299    a->brw |= b->brw;
 300    a->cache |= b->cache;
 301 }
 302
 303
 304 static void xor_states( struct brw_state_flags *result,
 305                              const struct brw_state_flags *a,
 306                               const struct brw_state_flags *b )
 307 {
 308    result->mesa = a->mesa ^ b->mesa;
 309    result->brw = a->brw ^ b->brw;
 310    result->cache = a->cache ^ b->cache;
 311 }
 312
 313 struct dirty_bit_map {
 314    uint32_t bit;
 315    char *name;
 316    uint32_t count;
 317 };
 318
 319 #define DEFINE_BIT(name) {name, #name, 0}
 320
 321 static struct dirty_bit_map mesa_bits[] = {
 322    DEFINE_BIT(_NEW_MODELVIEW),
 323    DEFINE_BIT(_NEW_PROJECTION),
 324    DEFINE_BIT(_NEW_TEXTURE_MATRIX),
 325    DEFINE_BIT(_NEW_COLOR),
 326    DEFINE_BIT(_NEW_DEPTH),
 327    DEFINE_BIT(_NEW_EVAL),
 328    DEFINE_BIT(_NEW_FOG),
 329    DEFINE_BIT(_NEW_HINT),
 330    DEFINE_BIT(_NEW_LIGHT),
 331    DEFINE_BIT(_NEW_LINE),
 332    DEFINE_BIT(_NEW_PIXEL),
 333    DEFINE_BIT(_NEW_POINT),
 334    DEFINE_BIT(_NEW_POLYGON),
 335    DEFINE_BIT(_NEW_POLYGONSTIPPLE),
 336    DEFINE_BIT(_NEW_SCISSOR),
 337    DEFINE_BIT(_NEW_STENCIL),
 338    DEFINE_BIT(_NEW_TEXTURE),
 339    DEFINE_BIT(_NEW_TRANSFORM),
 340    DEFINE_BIT(_NEW_VIEWPORT),
 341    DEFINE_BIT(_NEW_PACKUNPACK),
 342    DEFINE_BIT(_NEW_ARRAY),
 343    DEFINE_BIT(_NEW_RENDERMODE),
 344    DEFINE_BIT(_NEW_BUFFERS),
 345    DEFINE_BIT(_NEW_MULTISAMPLE),
 346    DEFINE_BIT(_NEW_TRACK_MATRIX),
 347    DEFINE_BIT(_NEW_PROGRAM),
 348    DEFINE_BIT(_NEW_PROGRAM_CONSTANTS),
 349    {0, 0, 0}
 350 };
 351
 352 static struct dirty_bit_map brw_bits[] = {
 353    DEFINE_BIT(BRW_NEW_URB_FENCE),
 354    DEFINE_BIT(BRW_NEW_FRAGMENT_PROGRAM),
 355    DEFINE_BIT(BRW_NEW_VERTEX_PROGRAM),
 356    DEFINE_BIT(BRW_NEW_INPUT_DIMENSIONS),
 357    DEFINE_BIT(BRW_NEW_CURBE_OFFSETS),
 358    DEFINE_BIT(BRW_NEW_REDUCED_PRIMITIVE),
 359    DEFINE_BIT(BRW_NEW_PRIMITIVE),
 360    DEFINE_BIT(BRW_NEW_CONTEXT),
 361    DEFINE_BIT(BRW_NEW_WM_INPUT_DIMENSIONS),
 362    DEFINE_BIT(BRW_NEW_PROGRAM_CACHE),
 363    DEFINE_BIT(BRW_NEW_PSP),
 364    DEFINE_BIT(BRW_NEW_SURFACES),
 365    DEFINE_BIT(BRW_NEW_INDICES),
 366    DEFINE_BIT(BRW_NEW_INDEX_BUFFER),
 367    DEFINE_BIT(BRW_NEW_VERTICES),
 368    DEFINE_BIT(BRW_NEW_BATCH),
 369    DEFINE_BIT(BRW_NEW_VS_CONSTBUF),
 370    DEFINE_BIT(BRW_NEW_VS_BINDING_TABLE),
 371    DEFINE_BIT(BRW_NEW_GS_BINDING_TABLE),
 372    DEFINE_BIT(BRW_NEW_PS_BINDING_TABLE),
 373    DEFINE_BIT(BRW_NEW_STATE_BASE_ADDRESS),
 374    {0, 0, 0}
 375 };
 376
 377 static struct dirty_bit_map cache_bits[] = {
 378    DEFINE_BIT(CACHE_NEW_BLEND_STATE),
 379    DEFINE_BIT(CACHE_NEW_CC_VP),
 380    DEFINE_BIT(CACHE_NEW_CC_UNIT),
 381    DEFINE_BIT(CACHE_NEW_WM_PROG),
 382    DEFINE_BIT(CACHE_NEW_SAMPLER),
 383    DEFINE_BIT(CACHE_NEW_WM_UNIT),
 384    DEFINE_BIT(CACHE_NEW_SF_PROG),
 385    DEFINE_BIT(CACHE_NEW_SF_VP),
 386    DEFINE_BIT(CACHE_NEW_SF_UNIT),
 387    DEFINE_BIT(CACHE_NEW_VS_UNIT),
 388    DEFINE_BIT(CACHE_NEW_VS_PROG),
 389    DEFINE_BIT(CACHE_NEW_GS_UNIT),
 390    DEFINE_BIT(CACHE_NEW_GS_PROG),
 391    DEFINE_BIT(CACHE_NEW_CLIP_VP),
 392    DEFINE_BIT(CACHE_NEW_CLIP_UNIT),
 393    DEFINE_BIT(CACHE_NEW_CLIP_PROG),
 394    {0, 0, 0}
 395 };
 396
 397
 398 static void
 399 brw_update_dirty_count(struct dirty_bit_map *bit_map, int32_t bits)
 400 {
 401    int i;
 402
 403    for (i = 0; i < 32; i++) {
 404       if (bit_map[i].bit == 0)
 405          return;
 406
 407       if (bit_map[i].bit & bits)
 408          bit_map[i].count++;
 409    }
 410 }
 411
 412 static void
 413 brw_print_dirty_count(struct dirty_bit_map *bit_map, int32_t bits)
 414 {
 415    int i;
 416
 417    for (i = 0; i < 32; i++) {
 418       if (bit_map[i].bit == 0)
 419          return;
 420
 421       fprintf(stderr, "0x%08x: %12d (%s)\n",
 422               bit_map[i].bit, bit_map[i].count, bit_map[i].name);
 423    }
 424 }
 425
 426 /***********************************************************************
 427  * Emit all state:
 428  */
 429 void brw_upload_state(struct brw_context *brw)
 430 {
 431    struct gl_context *ctx = &brw->intel.ctx;
 432    struct intel_context *intel = &brw->intel;
 433    struct brw_state_flags *state = &brw->state.dirty;
 434    int i;
 435    static int dirty_count = 0;
 436
 437    state->mesa |= brw->intel.NewGLState;
 438    brw->intel.NewGLState = 0;
 439
 440    if (brw->emit_state_always) {
 441       state->mesa |= ~0;
 442       state->brw |= ~0;
 443       state->cache |= ~0;
 444    }
 445
 446    if (brw->fragment_program != ctx->FragmentProgram._Current) {
 447       brw->fragment_program = ctx->FragmentProgram._Current;
 448       brw->state.dirty.brw |= BRW_NEW_FRAGMENT_PROGRAM;
 449    }
 450
 451    if (brw->vertex_program != ctx->VertexProgram._Current) {
 452       brw->vertex_program = ctx->VertexProgram._Current;
 453       brw->state.dirty.brw |= BRW_NEW_VERTEX_PROGRAM;
 454    }
 455
 456    if ((state->mesa | state->cache | state->brw) == 0)
 457       return;
 458
 459    intel_check_front_buffer_rendering(intel);
 460
 461    if (unlikely(INTEL_DEBUG)) {
 462       /* Debug version which enforces various sanity checks on the
 463        * state flags which are generated and checked to help ensure
 464        * state atoms are ordered correctly in the list.
 465        */
 466       struct brw_state_flags examined, prev;
 467       memset(&examined, 0, sizeof(examined));
 468       prev = *state;
 469
 470       for (i = 0; i < brw->num_atoms; i++) {
 471          const struct brw_tracked_state *atom = brw->atoms[i];
 472          struct brw_state_flags generated;
 473
 474          if (check_state(state, &atom->dirty)) {
 475             atom->emit(brw);
 476          }
 477
 478          accumulate_state(&examined, &atom->dirty);
 479
 480          /* generated = (prev ^ state)
 481           * if (examined & generated)
 482           *     fail;
 483           */
 484          xor_states(&generated, &prev, state);
 485          assert(!check_state(&examined, &generated));
 486          prev = *state;
 487       }
 488    }
 489    else {
 490       for (i = 0; i < brw->num_atoms; i++) {
 491          const struct brw_tracked_state *atom = brw->atoms[i];
 492
 493          if (check_state(state, &atom->dirty)) {
 494             atom->emit(brw);
 495          }
 496       }
 497    }
 498
 499    if (unlikely(INTEL_DEBUG & DEBUG_STATE)) {
 500       brw_update_dirty_count(mesa_bits, state->mesa);
 501       brw_update_dirty_count(brw_bits, state->brw);
 502       brw_update_dirty_count(cache_bits, state->cache);
 503       if (dirty_count++ % 1000 == 0) {
 504          brw_print_dirty_count(mesa_bits, state->mesa);
 505          brw_print_dirty_count(brw_bits, state->brw);
 506          brw_print_dirty_count(cache_bits, state->cache);
 507          fprintf(stderr, "\n");
 508       }
 509    }
 510
 511    memset(state, 0, sizeof(*state));
 512 }