src/mesa/drivers/dri/i965/brw_structs.h

   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 #ifndef BRW_STRUCTS_H
  34 #define BRW_STRUCTS_H
  35
  36 /* Command packets:
  37  */
  38 struct header
  39 {
  40    GLuint length:16;
  41    GLuint opcode:16;
  42 };
  43
  44
  45 union header_union
  46 {
  47    struct header bits;
  48    GLuint dword;
  49 };
  50
  51 struct brw_3d_control
  52 {
  53    struct
  54    {
  55       GLuint length:8;
  56       GLuint notify_enable:1;
  57       GLuint pad:3;
  58       GLuint wc_flush_enable:1;
  59       GLuint depth_stall_enable:1;
  60       GLuint operation:2;
  61       GLuint opcode:16;
  62    } header;
  63
  64    struct
  65    {
  66       GLuint pad:2;
  67       GLuint dest_addr_type:1;
  68       GLuint dest_addr:29;
  69    } dest;
  70
  71    GLuint dword2;
  72    GLuint dword3;
  73 };
  74
  75
  76 struct brw_3d_primitive
  77 {
  78    struct
  79    {
  80       GLuint length:8;
  81       GLuint pad:2;
  82       GLuint topology:5;
  83       GLuint indexed:1;
  84       GLuint opcode:16;
  85    } header;
  86
  87    GLuint verts_per_instance;
  88    GLuint start_vert_location;
  89    GLuint instance_count;
  90    GLuint start_instance_location;
  91    GLuint base_vert_location;
  92 };
  93
  94 /* These seem to be passed around as function args, so it works out
  95  * better to keep them as #defines:
  96  */
  97 #define BRW_FLUSH_READ_CACHE           0x1
  98 #define BRW_FLUSH_STATE_CACHE          0x2
  99 #define BRW_INHIBIT_FLUSH_RENDER_CACHE 0x4
 100 #define BRW_FLUSH_SNAPSHOT_COUNTERS    0x8
 101
 102 struct brw_mi_flush
 103 {
 104    GLuint flags:4;
 105    GLuint pad:12;
 106    GLuint opcode:16;
 107 };
 108
 109 struct brw_vf_statistics
 110 {
 111    GLuint statistics_enable:1;
 112    GLuint pad:15;
 113    GLuint opcode:16;
 114 };
 115
 116
 117
 118 struct brw_binding_table_pointers
 119 {
 120    struct header header;
 121    GLuint vs;
 122    GLuint gs;
 123    GLuint clp;
 124    GLuint sf;
 125    GLuint wm;
 126 };
 127
 128
 129 struct brw_blend_constant_color
 130 {
 131    struct header header;
 132    GLfloat blend_constant_color[4];
 133 };
 134
 135
 136 struct brw_depthbuffer
 137 {
 138    union header_union header;
 139
 140    union {
 141       struct {
 142          GLuint pitch:18;
 143          GLuint format:3;
 144          GLuint pad:4;
 145          GLuint depth_offset_disable:1;
 146          GLuint tile_walk:1;
 147          GLuint tiled_surface:1;
 148          GLuint pad2:1;
 149          GLuint surface_type:3;
 150       } bits;
 151       GLuint dword;
 152    } dword1;
 153
 154    GLuint dword2_base_addr;
 155
 156    union {
 157       struct {
 158          GLuint pad:1;
 159          GLuint mipmap_layout:1;
 160          GLuint lod:4;
 161          GLuint width:13;
 162          GLuint height:13;
 163       } bits;
 164       GLuint dword;
 165    } dword3;
 166
 167    union {
 168       struct {
 169          GLuint pad:12;
 170          GLuint min_array_element:9;
 171          GLuint depth:11;
 172       } bits;
 173       GLuint dword;
 174    } dword4;
 175 };
 176
 177 struct brw_drawrect
 178 {
 179    struct header header;
 180    GLuint xmin:16;
 181    GLuint ymin:16;
 182    GLuint xmax:16;
 183    GLuint ymax:16;
 184    GLuint xorg:16;
 185    GLuint yorg:16;
 186 };
 187
 188
 189
 190
 191 struct brw_global_depth_offset_clamp
 192 {
 193    struct header header;
 194    GLfloat depth_offset_clamp;
 195 };
 196
 197 struct brw_indexbuffer
 198 {
 199    union {
 200       struct
 201       {
 202          GLuint length:8;
 203          GLuint index_format:2;
 204          GLuint cut_index_enable:1;
 205          GLuint pad:5;
 206          GLuint opcode:16;
 207       } bits;
 208       GLuint dword;
 209
 210    } header;
 211
 212    GLuint buffer_start;
 213    GLuint buffer_end;
 214 };
 215
 216
 217 struct brw_line_stipple
 218 {
 219    struct header header;
 220
 221    struct
 222    {
 223       GLuint pattern:16;
 224       GLuint pad:16;
 225    } bits0;
 226
 227    struct
 228    {
 229       GLuint repeat_count:9;
 230       GLuint pad:7;
 231       GLuint inverse_repeat_count:16;
 232    } bits1;
 233 };
 234
 235
 236 struct brw_pipelined_state_pointers
 237 {
 238    struct header header;
 239
 240    struct {
 241       GLuint pad:5;
 242       GLuint offset:27;
 243    } vs;
 244
 245    struct
 246    {
 247       GLuint enable:1;
 248       GLuint pad:4;
 249       GLuint offset:27;
 250    } gs;
 251
 252    struct
 253    {
 254       GLuint enable:1;
 255       GLuint pad:4;
 256       GLuint offset:27;
 257    } clp;
 258
 259    struct
 260    {
 261       GLuint pad:5;
 262       GLuint offset:27;
 263    } sf;
 264
 265    struct
 266    {
 267       GLuint pad:5;
 268       GLuint offset:27;
 269    } wm;
 270
 271    struct
 272    {
 273       GLuint pad:5;
 274       GLuint offset:27; /* KW: check me! */
 275    } cc;
 276 };
 277
 278
 279 struct brw_polygon_stipple_offset
 280 {
 281    struct header header;
 282
 283    struct {
 284       GLuint y_offset:5;
 285       GLuint pad:3;
 286       GLuint x_offset:5;
 287       GLuint pad0:19;
 288    } bits0;
 289 };
 290
 291
 292
 293 struct brw_polygon_stipple
 294 {
 295    struct header header;
 296    GLuint stipple[32];
 297 };
 298
 299
 300
 301 struct brw_pipeline_select
 302 {
 303    struct
 304    {
 305       GLuint pipeline_select:1;
 306       GLuint pad:15;
 307       GLuint opcode:16;
 308    } header;
 309 };
 310
 311
 312 struct brw_pipe_control
 313 {
 314    struct
 315    {
 316       GLuint length:8;
 317       GLuint notify_enable:1;
 318       GLuint pad:2;
 319       GLuint instruction_state_cache_flush_enable:1;
 320       GLuint write_cache_flush_enable:1;
 321       GLuint depth_stall_enable:1;
 322       GLuint post_sync_operation:2;
 323
 324       GLuint opcode:16;
 325    } header;
 326
 327    struct
 328    {
 329       GLuint pad:2;
 330       GLuint dest_addr_type:1;
 331       GLuint dest_addr:29;
 332    } bits1;
 333
 334    GLuint data0;
 335    GLuint data1;
 336 };
 337
 338
 339 struct brw_urb_fence
 340 {
 341    struct
 342    {
 343       GLuint length:8;
 344       GLuint vs_realloc:1;
 345       GLuint gs_realloc:1;
 346       GLuint clp_realloc:1;
 347       GLuint sf_realloc:1;
 348       GLuint vfe_realloc:1;
 349       GLuint cs_realloc:1;
 350       GLuint pad:2;
 351       GLuint opcode:16;
 352    } header;
 353
 354    struct
 355    {
 356       GLuint vs_fence:10;
 357       GLuint gs_fence:10;
 358       GLuint clp_fence:10;
 359       GLuint pad:2;
 360    } bits0;
 361
 362    struct
 363    {
 364       GLuint sf_fence:10;
 365       GLuint vf_fence:10;
 366       GLuint cs_fence:10;
 367       GLuint pad:2;
 368    } bits1;
 369 };
 370
 371 struct brw_constant_buffer_state /* previously brw_command_streamer */
 372 {
 373    struct header header;
 374
 375    struct
 376    {
 377       GLuint nr_urb_entries:3;
 378       GLuint pad:1;
 379       GLuint urb_entry_size:5;
 380       GLuint pad0:23;
 381    } bits0;
 382 };
 383
 384 struct brw_constant_buffer
 385 {
 386    struct
 387    {
 388       GLuint length:8;
 389       GLuint valid:1;
 390       GLuint pad:7;
 391       GLuint opcode:16;
 392    } header;
 393
 394    struct
 395    {
 396       GLuint buffer_length:6;
 397       GLuint buffer_address:26;
 398    } bits0;
 399 };
 400
 401 struct brw_state_base_address
 402 {
 403    struct header header;
 404
 405    struct
 406    {
 407       GLuint modify_enable:1;
 408       GLuint pad:4;
 409       GLuint general_state_address:27;
 410    } bits0;
 411
 412    struct
 413    {
 414       GLuint modify_enable:1;
 415       GLuint pad:4;
 416       GLuint surface_state_address:27;
 417    } bits1;
 418
 419    struct
 420    {
 421       GLuint modify_enable:1;
 422       GLuint pad:4;
 423       GLuint indirect_object_state_address:27;
 424    } bits2;
 425
 426    struct
 427    {
 428       GLuint modify_enable:1;
 429       GLuint pad:11;
 430       GLuint general_state_upper_bound:20;
 431    } bits3;
 432
 433    struct
 434    {
 435       GLuint modify_enable:1;
 436       GLuint pad:11;
 437       GLuint indirect_object_state_upper_bound:20;
 438    } bits4;
 439 };
 440
 441 struct brw_state_prefetch
 442 {
 443    struct header header;
 444
 445    struct
 446    {
 447       GLuint prefetch_count:3;
 448       GLuint pad:3;
 449       GLuint prefetch_pointer:26;
 450    } bits0;
 451 };
 452
 453 struct brw_system_instruction_pointer
 454 {
 455    struct header header;
 456
 457    struct
 458    {
 459       GLuint pad:4;
 460       GLuint system_instruction_pointer:28;
 461    } bits0;
 462 };
 463
 464
 465
 466
 467 /* State structs for the various fixed function units:
 468  */
 469
 470
 471 struct thread0
 472 {
 473    GLuint pad0:1;
 474    GLuint grf_reg_count:3;
 475    GLuint pad1:2;
 476    GLuint kernel_start_pointer:26;
 477 };
 478
 479 struct thread1
 480 {
 481    GLuint ext_halt_exception_enable:1;
 482    GLuint sw_exception_enable:1;
 483    GLuint mask_stack_exception_enable:1;
 484    GLuint timeout_exception_enable:1;
 485    GLuint illegal_op_exception_enable:1;
 486    GLuint pad0:3;
 487    GLuint depth_coef_urb_read_offset:6; /* WM only */
 488    GLuint pad1:2;
 489    GLuint floating_point_mode:1;
 490    GLuint thread_priority:1;
 491    GLuint binding_table_entry_count:8;
 492    GLuint pad3:5;
 493    GLuint single_program_flow:1;
 494 };
 495
 496 struct thread2
 497 {
 498    GLuint per_thread_scratch_space:4;
 499    GLuint pad0:6;
 500    GLuint scratch_space_base_pointer:22;
 501 };
 502
 503
 504 struct thread3
 505 {
 506    GLuint dispatch_grf_start_reg:4;
 507    GLuint urb_entry_read_offset:6;
 508    GLuint pad0:1;
 509    GLuint urb_entry_read_length:6;
 510    GLuint pad1:1;
 511    GLuint const_urb_entry_read_offset:6;
 512    GLuint pad2:1;
 513    GLuint const_urb_entry_read_length:6;
 514    GLuint pad3:1;
 515 };
 516
 517
 518
 519 struct brw_clip_unit_state
 520 {
 521    struct thread0 thread0;
 522    struct thread1 thread1;
 523    struct thread2 thread2;
 524    struct thread3 thread3;
 525
 526    struct
 527    {
 528       GLuint pad0:9;
 529       GLuint gs_output_stats:1; /* not always */
 530       GLuint stats_enable:1;
 531       GLuint nr_urb_entries:7;
 532       GLuint pad1:1;
 533       GLuint urb_entry_allocation_size:5;
 534       GLuint pad2:1;
 535       GLuint max_threads:6;     /* may be less */
 536       GLuint pad3:1;
 537    } thread4;
 538
 539    struct
 540    {
 541       GLuint pad0:13;
 542       GLuint clip_mode:3;
 543       GLuint userclip_enable_flags:8;
 544       GLuint userclip_must_clip:1;
 545       GLuint pad1:1;
 546       GLuint guard_band_enable:1;
 547       GLuint viewport_z_clip_enable:1;
 548       GLuint viewport_xy_clip_enable:1;
 549       GLuint vertex_position_space:1;
 550       GLuint api_mode:1;
 551       GLuint pad2:1;
 552    } clip5;
 553
 554    struct
 555    {
 556       GLuint pad0:5;
 557       GLuint clipper_viewport_state_ptr:27;
 558    } clip6;
 559
 560
 561    GLfloat viewport_xmin;
 562    GLfloat viewport_xmax;
 563    GLfloat viewport_ymin;
 564    GLfloat viewport_ymax;
 565 };
 566
 567
 568
 569 struct brw_cc_unit_state
 570 {
 571    struct
 572    {
 573       GLuint pad0:3;
 574       GLuint bf_stencil_pass_depth_pass_op:3;
 575       GLuint bf_stencil_pass_depth_fail_op:3;
 576       GLuint bf_stencil_fail_op:3;
 577       GLuint bf_stencil_func:3;
 578       GLuint bf_stencil_enable:1;
 579       GLuint pad1:2;
 580       GLuint stencil_write_enable:1;
 581       GLuint stencil_pass_depth_pass_op:3;
 582       GLuint stencil_pass_depth_fail_op:3;
 583       GLuint stencil_fail_op:3;
 584       GLuint stencil_func:3;
 585       GLuint stencil_enable:1;
 586    } cc0;
 587
 588
 589    struct
 590    {
 591       GLuint bf_stencil_ref:8;
 592       GLuint stencil_write_mask:8;
 593       GLuint stencil_test_mask:8;
 594       GLuint stencil_ref:8;
 595    } cc1;
 596
 597
 598    struct
 599    {
 600       GLuint logicop_enable:1;
 601       GLuint pad0:10;
 602       GLuint depth_write_enable:1;
 603       GLuint depth_test_function:3;
 604       GLuint depth_test:1;
 605       GLuint bf_stencil_write_mask:8;
 606       GLuint bf_stencil_test_mask:8;
 607    } cc2;
 608
 609
 610    struct
 611    {
 612       GLuint pad0:8;
 613       GLuint alpha_test_func:3;
 614       GLuint alpha_test:1;
 615       GLuint blend_enable:1;
 616       GLuint ia_blend_enable:1;
 617       GLuint pad1:1;
 618       GLuint alpha_test_format:1;
 619       GLuint pad2:16;
 620    } cc3;
 621
 622    struct
 623    {
 624       GLuint pad0:5;
 625       GLuint cc_viewport_state_offset:27;
 626    } cc4;
 627
 628    struct
 629    {
 630       GLuint pad0:2;
 631       GLuint ia_dest_blend_factor:5;
 632       GLuint ia_src_blend_factor:5;
 633       GLuint ia_blend_function:3;
 634       GLuint statistics_enable:1;
 635       GLuint logicop_func:4;
 636       GLuint pad1:11;
 637       GLuint dither_enable:1;
 638    } cc5;
 639
 640    struct
 641    {
 642       GLuint clamp_post_alpha_blend:1;
 643       GLuint clamp_pre_alpha_blend:1;
 644       GLuint clamp_range:2;
 645       GLuint pad0:11;
 646       GLuint y_dither_offset:2;
 647       GLuint x_dither_offset:2;
 648       GLuint dest_blend_factor:5;
 649       GLuint src_blend_factor:5;
 650       GLuint blend_function:3;
 651    } cc6;
 652
 653    struct {
 654       union {
 655          GLfloat f;
 656          GLubyte ub[4];
 657       } alpha_ref;
 658    } cc7;
 659 };
 660
 661
 662
 663 struct brw_sf_unit_state
 664 {
 665    struct thread0 thread0;
 666    struct thread1 thread1;
 667    struct thread2 thread2;
 668    struct thread3 thread3;
 669
 670    struct
 671    {
 672       GLuint pad0:10;
 673       GLuint stats_enable:1;
 674       GLuint nr_urb_entries:7;
 675       GLuint pad1:1;
 676       GLuint urb_entry_allocation_size:5;
 677       GLuint pad2:1;
 678       GLuint max_threads:6;
 679       GLuint pad3:1;
 680    } thread4;
 681
 682    struct
 683    {
 684       GLuint front_winding:1;
 685       GLuint viewport_transform:1;
 686       GLuint pad0:3;
 687       GLuint sf_viewport_state_offset:27;
 688    } sf5;
 689
 690    struct
 691    {
 692       GLuint pad0:9;
 693       GLuint dest_org_vbias:4;
 694       GLuint dest_org_hbias:4;
 695       GLuint scissor:1;
 696       GLuint disable_2x2_trifilter:1;
 697       GLuint disable_zero_pix_trifilter:1;
 698       GLuint point_rast_rule:2;
 699       GLuint line_endcap_aa_region_width:2;
 700       GLuint line_width:4;
 701       GLuint fast_scissor_disable:1;
 702       GLuint cull_mode:2;
 703       GLuint aa_enable:1;
 704    } sf6;
 705
 706    struct
 707    {
 708       GLuint point_size:11;
 709       GLuint use_point_size_state:1;
 710       GLuint subpixel_precision:1;
 711       GLuint sprite_point:1;
 712       GLuint pad0:11;
 713       GLuint trifan_pv:2;
 714       GLuint linestrip_pv:2;
 715       GLuint tristrip_pv:2;
 716       GLuint line_last_pixel_enable:1;
 717    } sf7;
 718
 719 };
 720
 721
 722 struct brw_gs_unit_state
 723 {
 724    struct thread0 thread0;
 725    struct thread1 thread1;
 726    struct thread2 thread2;
 727    struct thread3 thread3;
 728
 729    struct
 730    {
 731       GLuint pad0:10;
 732       GLuint stats_enable:1;
 733       GLuint nr_urb_entries:7;
 734       GLuint pad1:1;
 735       GLuint urb_entry_allocation_size:5;
 736       GLuint pad2:1;
 737       GLuint max_threads:1;
 738       GLuint pad3:6;
 739    } thread4;
 740
 741    struct
 742    {
 743       GLuint sampler_count:3;
 744       GLuint pad0:2;
 745       GLuint sampler_state_pointer:27;
 746    } gs5;
 747
 748
 749    struct
 750    {
 751       GLuint max_vp_index:4;
 752       GLuint pad0:26;
 753       GLuint reorder_enable:1;
 754       GLuint pad1:1;
 755    } gs6;
 756 };
 757
 758
 759 struct brw_vs_unit_state
 760 {
 761    struct thread0 thread0;
 762    struct thread1 thread1;
 763    struct thread2 thread2;
 764    struct thread3 thread3;
 765
 766    struct
 767    {
 768       GLuint pad0:10;
 769       GLuint stats_enable:1;
 770       GLuint nr_urb_entries:7;
 771       GLuint pad1:1;
 772       GLuint urb_entry_allocation_size:5;
 773       GLuint pad2:1;
 774       GLuint max_threads:4;
 775       GLuint pad3:3;
 776    } thread4;
 777
 778    struct
 779    {
 780       GLuint sampler_count:3;
 781       GLuint pad0:2;
 782       GLuint sampler_state_pointer:27;
 783    } vs5;
 784
 785    struct
 786    {
 787       GLuint vs_enable:1;
 788       GLuint vert_cache_disable:1;
 789       GLuint pad0:30;
 790    } vs6;
 791 };
 792
 793
 794 struct brw_wm_unit_state
 795 {
 796    struct thread0 thread0;
 797    struct thread1 thread1;
 798    struct thread2 thread2;
 799    struct thread3 thread3;
 800
 801    struct {
 802       GLuint stats_enable:1;
 803       GLuint pad0:1;
 804       GLuint sampler_count:3;
 805       GLuint sampler_state_pointer:27;
 806    } wm4;
 807
 808    struct
 809    {
 810       GLuint enable_8_pix:1;
 811       GLuint enable_16_pix:1;
 812       GLuint enable_32_pix:1;
 813       GLuint pad0:7;
 814       GLuint legacy_global_depth_bias:1;
 815       GLuint line_stipple:1;
 816       GLuint depth_offset:1;
 817       GLuint polygon_stipple:1;
 818       GLuint line_aa_region_width:2;
 819       GLuint line_endcap_aa_region_width:2;
 820       GLuint early_depth_test:1;
 821       GLuint thread_dispatch_enable:1;
 822       GLuint program_uses_depth:1;
 823       GLuint program_computes_depth:1;
 824       GLuint program_uses_killpixel:1;
 825       GLuint legacy_line_rast: 1;
 826       GLuint pad1:1;
 827       GLuint max_threads:6;
 828       GLuint pad2:1;
 829    } wm5;
 830
 831    GLfloat global_depth_offset_constant;
 832    GLfloat global_depth_offset_scale;
 833 };
 834
 835 struct brw_sampler_default_color {
 836    GLfloat color[4];
 837 };
 838
 839 struct brw_sampler_state
 840 {
 841
 842    struct
 843    {
 844       GLuint shadow_function:3;
 845       GLuint lod_bias:11;
 846       GLuint min_filter:3;
 847       GLuint mag_filter:3;
 848       GLuint mip_filter:2;
 849       GLuint base_level:5;
 850       GLuint pad:1;
 851       GLuint lod_preclamp:1;
 852       GLuint default_color_mode:1;
 853       GLuint pad0:1;
 854       GLuint disable:1;
 855    } ss0;
 856
 857    struct
 858    {
 859       GLuint r_wrap_mode:3;
 860       GLuint t_wrap_mode:3;
 861       GLuint s_wrap_mode:3;
 862       GLuint pad:3;
 863       GLuint max_lod:10;
 864       GLuint min_lod:10;
 865    } ss1;
 866
 867
 868    struct
 869    {
 870       GLuint pad:5;
 871       GLuint default_color_pointer:27;
 872    } ss2;
 873
 874    struct
 875    {
 876       GLuint pad:19;
 877       GLuint max_aniso:3;
 878       GLuint chroma_key_mode:1;
 879       GLuint chroma_key_index:2;
 880       GLuint chroma_key_enable:1;
 881       GLuint monochrome_filter_width:3;
 882       GLuint monochrome_filter_height:3;
 883    } ss3;
 884 };
 885
 886
 887 struct brw_clipper_viewport
 888 {
 889    GLfloat xmin;
 890    GLfloat xmax;
 891    GLfloat ymin;
 892    GLfloat ymax;
 893 };
 894
 895 struct brw_cc_viewport
 896 {
 897    GLfloat min_depth;
 898    GLfloat max_depth;
 899 };
 900
 901 struct brw_sf_viewport
 902 {
 903    struct {
 904       GLfloat m00;
 905       GLfloat m11;
 906       GLfloat m22;
 907       GLfloat m30;
 908       GLfloat m31;
 909       GLfloat m32;
 910    } viewport;
 911
 912    struct {
 913       GLshort xmin;
 914       GLshort ymin;
 915       GLshort xmax;
 916       GLshort ymax;
 917    } scissor;
 918 };
 919
 920 /* Documented in the subsystem/shared-functions/sampler chapter...
 921  */
 922 struct brw_surface_state
 923 {
 924    struct {
 925       GLuint cube_pos_z:1;
 926       GLuint cube_neg_z:1;
 927       GLuint cube_pos_y:1;
 928       GLuint cube_neg_y:1;
 929       GLuint cube_pos_x:1;
 930       GLuint cube_neg_x:1;
 931       GLuint pad:4;
 932       GLuint mipmap_layout_mode:1;
 933       GLuint vert_line_stride_ofs:1;
 934       GLuint vert_line_stride:1;
 935       GLuint color_blend:1;
 936       GLuint writedisable_blue:1;
 937       GLuint writedisable_green:1;
 938       GLuint writedisable_red:1;
 939       GLuint writedisable_alpha:1;
 940       GLuint surface_format:9;
 941       GLuint data_return_format:1;
 942       GLuint pad0:1;
 943       GLuint surface_type:3;
 944    } ss0;
 945
 946    struct {
 947       GLuint base_addr;
 948    } ss1;
 949
 950    struct {
 951       GLuint pad:2;
 952       GLuint mip_count:4;
 953       GLuint width:13;
 954       GLuint height:13;
 955    } ss2;
 956
 957    struct {
 958       GLuint tile_walk:1;
 959       GLuint tiled_surface:1;
 960       GLuint pad:1;
 961       GLuint pitch:18;
 962       GLuint depth:11;
 963    } ss3;
 964
 965    struct {
 966       GLuint pad:19;
 967       GLuint min_array_elt:9;
 968       GLuint min_lod:4;
 969    } ss4;
 970 };
 971
 972
 973
 974 struct brw_vertex_buffer_state
 975 {
 976    struct {
 977       GLuint pitch:11;
 978       GLuint pad:15;
 979       GLuint access_type:1;
 980       GLuint vb_index:5;
 981    } vb0;
 982
 983    GLuint start_addr;
 984    GLuint max_index;
 985 #if 1
 986    GLuint instance_data_step_rate; /* not included for sequential/random vertices? */
 987 #endif
 988 };
 989
 990 #define BRW_VBP_MAX 17
 991
 992 struct brw_vb_array_state {
 993    struct header header;
 994    struct brw_vertex_buffer_state vb[BRW_VBP_MAX];
 995 };
 996
 997
 998 struct brw_vertex_element_state
 999 {
1000    struct
1001    {
1002       GLuint src_offset:11;
1003       GLuint pad:5;
1004       GLuint src_format:9;
1005       GLuint pad0:1;
1006       GLuint valid:1;
1007       GLuint vertex_buffer_index:5;
1008    } ve0;
1009
1010    struct
1011    {
1012       GLuint dst_offset:8;
1013       GLuint pad:8;
1014       GLuint vfcomponent3:4;
1015       GLuint vfcomponent2:4;
1016       GLuint vfcomponent1:4;
1017       GLuint vfcomponent0:4;
1018    } ve1;
1019 };
1020
1021 #define BRW_VEP_MAX 18
1022
1023 struct brw_vertex_element_packet {
1024    struct header header;
1025    struct brw_vertex_element_state ve[BRW_VEP_MAX]; /* note: less than _TNL_ATTRIB_MAX */
1026 };
1027
1028
1029 struct brw_urb_immediate {
1030    GLuint opcode:4;
1031    GLuint offset:6;
1032    GLuint swizzle_control:2;
1033    GLuint pad:1;
1034    GLuint allocate:1;
1035    GLuint used:1;
1036    GLuint complete:1;
1037    GLuint response_length:4;
1038    GLuint msg_length:4;
1039    GLuint msg_target:4;
1040    GLuint pad1:3;
1041    GLuint end_of_thread:1;
1042 };
1043
1044 /* Instruction format for the execution units:
1045  */
1046
1047 struct brw_instruction
1048 {
1049    struct
1050    {
1051       GLuint opcode:7;
1052       GLuint pad:1;
1053       GLuint access_mode:1;
1054       GLuint mask_control:1;
1055       GLuint dependency_control:2;
1056       GLuint compression_control:2;
1057       GLuint thread_control:2;
1058       GLuint predicate_control:4;
1059       GLuint predicate_inverse:1;
1060       GLuint execution_size:3;
1061       GLuint destreg__conditonalmod:4; /* destreg - send, conditionalmod - others */
1062       GLuint pad0:2;
1063       GLuint debug_control:1;
1064       GLuint saturate:1;
1065    } header;
1066
1067    union {
1068       struct
1069       {
1070          GLuint dest_reg_file:2;
1071          GLuint dest_reg_type:3;
1072          GLuint src0_reg_file:2;
1073          GLuint src0_reg_type:3;
1074          GLuint src1_reg_file:2;
1075          GLuint src1_reg_type:3;
1076          GLuint pad:1;
1077          GLuint dest_subreg_nr:5;
1078          GLuint dest_reg_nr:8;
1079          GLuint dest_horiz_stride:2;
1080          GLuint dest_address_mode:1;
1081       } da1;
1082
1083       struct
1084       {
1085          GLuint dest_reg_file:2;
1086          GLuint dest_reg_type:3;
1087          GLuint src0_reg_file:2;
1088          GLuint src0_reg_type:3;
1089          GLuint pad:6;
1090          GLint dest_indirect_offset:10; /* offset against the deref'd address reg */
1091          GLuint dest_subreg_nr:3; /* subnr for the address reg a0.x */
1092          GLuint dest_horiz_stride:2;
1093          GLuint dest_address_mode:1;
1094       } ia1;
1095
1096       struct
1097       {
1098          GLuint dest_reg_file:2;
1099          GLuint dest_reg_type:3;
1100          GLuint src0_reg_file:2;
1101          GLuint src0_reg_type:3;
1102          GLuint src1_reg_file:2;
1103          GLuint src1_reg_type:3;
1104          GLuint pad0:1;
1105          GLuint dest_writemask:4;
1106          GLuint dest_subreg_nr:1;
1107          GLuint dest_reg_nr:8;
1108          GLuint pad1:2;
1109          GLuint dest_address_mode:1;
1110       } da16;
1111
1112       struct
1113       {
1114          GLuint dest_reg_file:2;
1115          GLuint dest_reg_type:3;
1116          GLuint src0_reg_file:2;
1117          GLuint src0_reg_type:3;
1118          GLuint pad0:6;
1119          GLuint dest_writemask:4;
1120          GLint dest_indirect_offset:6;
1121          GLuint dest_subreg_nr:3;
1122          GLuint pad1:2;
1123          GLuint dest_address_mode:1;
1124       } ia16;
1125    } bits1;
1126
1127
1128    union {
1129       struct
1130       {
1131          GLuint src0_subreg_nr:5;
1132          GLuint src0_reg_nr:8;
1133          GLuint src0_abs:1;
1134          GLuint src0_negate:1;
1135          GLuint src0_address_mode:1;
1136          GLuint src0_horiz_stride:2;
1137          GLuint src0_width:3;
1138          GLuint src0_vert_stride:4;
1139          GLuint flag_reg_nr:1;
1140          GLuint pad:6;
1141       } da1;
1142
1143       struct
1144       {
1145          GLint src0_indirect_offset:10;
1146          GLuint src0_subreg_nr:3;
1147          GLuint src0_abs:1;
1148          GLuint src0_negate:1;
1149          GLuint src0_address_mode:1;
1150          GLuint src0_horiz_stride:2;
1151          GLuint src0_width:3;
1152          GLuint src0_vert_stride:4;
1153          GLuint flag_reg_nr:1;
1154          GLuint pad:6;
1155       } ia1;
1156
1157       struct
1158       {
1159          GLuint src0_swz_x:2;
1160          GLuint src0_swz_y:2;
1161          GLuint src0_subreg_nr:1;
1162          GLuint src0_reg_nr:8;
1163          GLuint src0_abs:1;
1164          GLuint src0_negate:1;
1165          GLuint src0_address_mode:1;
1166          GLuint src0_swz_z:2;
1167          GLuint src0_swz_w:2;
1168          GLuint pad0:1;
1169          GLuint src0_vert_stride:4;
1170          GLuint flag_reg_nr:1;
1171          GLuint pad1:6;
1172       } da16;
1173
1174       struct
1175       {
1176          GLuint src0_swz_x:2;
1177          GLuint src0_swz_y:2;
1178          GLint src0_indirect_offset:6;
1179          GLuint src0_subreg_nr:3;
1180          GLuint src0_abs:1;
1181          GLuint src0_negate:1;
1182          GLuint src0_address_mode:1;
1183          GLuint src0_swz_z:2;
1184          GLuint src0_swz_w:2;
1185          GLuint pad0:1;
1186          GLuint src0_vert_stride:4;
1187          GLuint flag_reg_nr:1;
1188          GLuint pad1:6;
1189       } ia16;
1190
1191    } bits2;
1192
1193    union
1194    {
1195       struct
1196       {
1197          GLuint src1_subreg_nr:5;
1198          GLuint src1_reg_nr:8;
1199          GLuint src1_abs:1;
1200          GLuint src1_negate:1;
1201          GLuint pad:1;
1202          GLuint src1_horiz_stride:2;
1203          GLuint src1_width:3;
1204          GLuint src1_vert_stride:4;
1205          GLuint pad0:7;
1206       } da1;
1207
1208       struct
1209       {
1210          GLuint src1_swz_x:2;
1211          GLuint src1_swz_y:2;
1212          GLuint src1_subreg_nr:1;
1213          GLuint src1_reg_nr:8;
1214          GLuint src1_abs:1;
1215          GLuint src1_negate:1;
1216          GLuint pad0:1;
1217          GLuint src1_swz_z:2;
1218          GLuint src1_swz_w:2;
1219          GLuint pad1:1;
1220          GLuint src1_vert_stride:4;
1221          GLuint pad2:7;
1222       } da16;
1223
1224       struct
1225       {
1226          GLint  src1_indirect_offset:10;
1227          GLuint src1_subreg_nr:3;
1228          GLuint src1_abs:1;
1229          GLuint src1_negate:1;
1230          GLuint pad0:1;
1231          GLuint src1_horiz_stride:2;
1232          GLuint src1_width:3;
1233          GLuint src1_vert_stride:4;
1234          GLuint flag_reg_nr:1;
1235          GLuint pad1:6;
1236       } ia1;
1237
1238       struct
1239       {
1240          GLuint src1_swz_x:2;
1241          GLuint src1_swz_y:2;
1242          GLint  src1_indirect_offset:6;
1243          GLuint src1_subreg_nr:3;
1244          GLuint src1_abs:1;
1245          GLuint src1_negate:1;
1246          GLuint pad0:1;
1247          GLuint src1_swz_z:2;
1248          GLuint src1_swz_w:2;
1249          GLuint pad1:1;
1250          GLuint src1_vert_stride:4;
1251          GLuint flag_reg_nr:1;
1252          GLuint pad2:6;
1253       } ia16;
1254
1255
1256       struct
1257       {
1258          GLint  jump_count:16;  /* note: signed */
1259          GLuint  pop_count:4;
1260          GLuint  pad0:12;
1261       } if_else;
1262
1263       struct {
1264          GLuint function:4;
1265          GLuint int_type:1;
1266          GLuint precision:1;
1267          GLuint saturate:1;
1268          GLuint data_type:1;
1269          GLuint pad0:8;
1270          GLuint response_length:4;
1271          GLuint msg_length:4;
1272          GLuint msg_target:4;
1273          GLuint pad1:3;
1274          GLuint end_of_thread:1;
1275       } math;
1276
1277       struct {
1278          GLuint binding_table_index:8;
1279          GLuint sampler:4;
1280          GLuint return_format:2;
1281          GLuint msg_type:2;
1282          GLuint response_length:4;
1283          GLuint msg_length:4;
1284          GLuint msg_target:4;
1285          GLuint pad1:3;
1286          GLuint end_of_thread:1;
1287       } sampler;
1288
1289       struct brw_urb_immediate urb;
1290
1291       struct {
1292          GLuint binding_table_index:8;
1293          GLuint msg_control:4;
1294          GLuint msg_type:2;
1295          GLuint target_cache:2;
1296          GLuint response_length:4;
1297          GLuint msg_length:4;
1298          GLuint msg_target:4;
1299          GLuint pad1:3;
1300          GLuint end_of_thread:1;
1301       } dp_read;
1302
1303       struct {
1304          GLuint binding_table_index:8;
1305          GLuint msg_control:3;
1306          GLuint pixel_scoreboard_clear:1;
1307          GLuint msg_type:3;
1308          GLuint send_commit_msg:1;
1309          GLuint response_length:4;
1310          GLuint msg_length:4;
1311          GLuint msg_target:4;
1312          GLuint pad1:3;
1313          GLuint end_of_thread:1;
1314       } dp_write;
1315
1316       struct {
1317          GLuint pad:16;
1318          GLuint response_length:4;
1319          GLuint msg_length:4;
1320          GLuint msg_target:4;
1321          GLuint pad1:3;
1322          GLuint end_of_thread:1;
1323       } generic;
1324
1325       GLuint ud;
1326    } bits3;
1327 };
1328
1329
1330 #endif