src/gallium/drivers/i965/brw_context.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 BRWCONTEXT_INC
  34 #define BRWCONTEXT_INC
  35
  36 #include "brw_structs.h"
  37 #include "brw_winsys.h"
  38 #include "brw_reg.h"
  39 #include "pipe/p_state.h"
  40 #include "pipe/p_context.h"
  41 #include "tgsi/tgsi_scan.h"
  42
  43
  44 /* Glossary:
  45  *
  46  * URB - uniform resource buffer.  A mid-sized buffer which is
  47  * partitioned between the fixed function units and used for passing
  48  * values (vertices, primitives, constants) between them.
  49  *
  50  * CURBE - constant URB entry.  An urb region (entry) used to hold
  51  * constant values which the fixed function units can be instructed to
  52  * preload into the GRF when spawning a thread.
  53  *
  54  * VUE - vertex URB entry.  An urb entry holding a vertex and usually
  55  * a vertex header.  The header contains control information and
  56  * things like primitive type, Begin/end flags and clip codes.
  57  *
  58  * PUE - primitive URB entry.  An urb entry produced by the setup (SF)
  59  * unit holding rasterization and interpolation parameters.
  60  *
  61  * GRF - general register file.  One of several register files
  62  * addressable by programmed threads.  The inputs (r0, payload, curbe,
  63  * urb) of the thread are preloaded to this area before the thread is
  64  * spawned.  The registers are individually 8 dwords wide and suitable
  65  * for general usage.  Registers holding thread input values are not
  66  * special and may be overwritten.
  67  *
  68  * MRF - message register file.  Threads communicate (and terminate)
  69  * by sending messages.  Message parameters are placed in contiguous
  70  * MRF registers.  All program output is via these messages.  URB
  71  * entries are populated by sending a message to the shared URB
  72  * function containing the new data, together with a control word,
  73  * often an unmodified copy of R0.
  74  *
  75  * R0 - GRF register 0.  Typically holds control information used when
  76  * sending messages to other threads.
  77  *
  78  * EU or GEN4 EU: The name of the programmable subsystem of the
  79  * i965 hardware.  Threads are executed by the EU, the registers
  80  * described above are part of the EU architecture.
  81  *
  82  * Fixed function units:
  83  *
  84  * CS - Command streamer.  Notional first unit, little software
  85  * interaction.  Holds the URB entries used for constant data, ie the
  86  * CURBEs.
  87  *
  88  * VF/VS - Vertex Fetch / Vertex Shader.  The fixed function part of
  89  * this unit is responsible for pulling vertices out of vertex buffers
  90  * in vram and injecting them into the processing pipe as VUEs.  If
  91  * enabled, it first passes them to a VS thread which is a good place
  92  * for the driver to implement any active vertex shader.
  93  *
  94  * GS - Geometry Shader.  This corresponds to a new DX10 concept.  If
  95  * enabled, incoming strips etc are passed to GS threads in individual
  96  * line/triangle/point units.  The GS thread may perform arbitary
  97  * computation and emit whatever primtives with whatever vertices it
  98  * chooses.  This makes GS an excellent place to implement GL's
  99  * unfilled polygon modes, though of course it is capable of much
 100  * more.  Additionally, GS is used to translate away primitives not
 101  * handled by latter units, including Quads and Lineloops.
 102  *
 103  * CS - Clipper.  Mesa's clipping algorithms are imported to run on
 104  * this unit.  The fixed function part performs cliptesting against
 105  * the 6 fixed clipplanes and makes descisions on whether or not the
 106  * incoming primitive needs to be passed to a thread for clipping.
 107  * User clip planes are handled via cooperation with the VS thread.
 108  *
 109  * SF - Strips Fans or Setup: Triangles are prepared for
 110  * rasterization.  Interpolation coefficients are calculated.
 111  * Flatshading and two-side lighting usually performed here.
 112  *
 113  * WM - Windower.  Interpolation of vertex attributes performed here.
 114  * Fragment shader implemented here.  SIMD aspects of EU taken full
 115  * advantage of, as pixels are processed in blocks of 16.
 116  *
 117  * CC - Color Calculator.  No EU threads associated with this unit.
 118  * Handles blending and (presumably) depth and stencil testing.
 119  */
 120
 121 #define BRW_MAX_CURBE                    (32*16)
 122
 123 struct brw_context;
 124
 125 struct brw_depth_stencil_state {
 126    //struct pipe_depth_stencil_alpha_state templ; /* for draw module */
 127
 128    /* Precalculated hardware state:
 129     */
 130    struct brw_cc0 cc0;
 131    struct brw_cc1 cc1;
 132    struct brw_cc2 cc2;
 133    struct brw_cc3 cc3;
 134    struct brw_cc7 cc7;
 135 };
 136
 137
 138 struct brw_blend_state {
 139    //struct pipe_depth_stencil_alpha_state templ; /* for draw module */
 140
 141    /* Precalculated hardware state:
 142     */
 143    struct brw_cc2 cc2;
 144    struct brw_cc3 cc3;
 145    struct brw_cc5 cc5;
 146    struct brw_cc6 cc6;
 147 };
 148
 149
 150 struct brw_rasterizer_state;
 151
 152
 153 struct brw_vertex_shader {
 154    const struct tgsi_token *tokens;
 155    struct tgsi_shader_info info;
 156
 157    struct brw_winsys_buffer *const_buffer;    /** Program constant buffer/surface */
 158    GLboolean use_const_buffer;
 159 };
 160
 161
 162 struct brw_fragment_shader {
 163    const struct tgsi_token *tokens;
 164    struct tgsi_shader_info info;
 165
 166    GLboolean isGLSL;
 167
 168    struct brw_winsys_buffer *const_buffer;    /** Program constant buffer/surface */
 169    GLboolean use_const_buffer;
 170 };
 171
 172
 173
 174 #define PIPE_NEW_DEPTH_STENCIL_ALPHA    0x1
 175 #define PIPE_NEW_RAST                   0x2
 176 #define PIPE_NEW_BLEND                  0x4
 177 #define PIPE_NEW_VIEWPORT               0x8
 178 #define PIPE_NEW_SAMPLERS               0x10
 179 #define PIPE_NEW_VERTEX_BUFFER          0x20
 180 #define PIPE_NEW_VERTEX_ELEMENT         0x40
 181 #define PIPE_NEW_FRAGMENT_SHADER        0x80
 182 #define PIPE_NEW_VERTEX_SHADER          0x100
 183 #define PIPE_NEW_FRAGMENT_CONSTANTS     0x200
 184 #define PIPE_NEW_VERTEX_CONSTANTS       0x400
 185 #define PIPE_NEW_CLIP                   0x800
 186 #define PIPE_NEW_INDEX_BUFFER           0x1000
 187 #define PIPE_NEW_INDEX_RANGE            0x2000
 188 #define PIPE_NEW_BLEND_COLOR            0x4000
 189 #define PIPE_NEW_POLYGON_STIPPLE        0x8000
 190 #define PIPE_NEW_FRAMEBUFFER_DIMENSIONS 0x10000
 191 #define PIPE_NEW_DEPTH_BUFFER           0x20000
 192 #define PIPE_NEW_COLOR_BUFFERS          0x40000
 193
 194
 195
 196 #define BRW_NEW_URB_FENCE               0x1
 197 #define BRW_NEW_FRAGMENT_PROGRAM        0x2
 198 #define BRW_NEW_VERTEX_PROGRAM          0x4
 199 #define BRW_NEW_INPUT_DIMENSIONS        0x8
 200 #define BRW_NEW_CURBE_OFFSETS           0x10
 201 #define BRW_NEW_REDUCED_PRIMITIVE       0x20
 202 #define BRW_NEW_PRIMITIVE               0x40
 203 #define BRW_NEW_CONTEXT                 0x80
 204 #define BRW_NEW_WM_INPUT_DIMENSIONS     0x100
 205 #define BRW_NEW_PSP                     0x800
 206 #define BRW_NEW_WM_SURFACES             0x1000
 207 #define BRW_NEW_FENCE                   0x2000
 208 #define BRW_NEW_INDICES                 0x4000
 209 #define BRW_NEW_VERTICES                0x8000
 210 /**
 211  * Used for any batch entry with a relocated pointer that will be used
 212  * by any 3D rendering.  Need to re-emit these fresh in each
 213  * batchbuffer as the referenced buffers may be relocated in the
 214  * meantime.
 215  */
 216 #define BRW_NEW_BATCH                   0x10000
 217 #define BRW_NEW_NR_WM_SURFACES          0x40000
 218 #define BRW_NEW_NR_VS_SURFACES          0x80000
 219 #define BRW_NEW_INDEX_BUFFER            0x100000
 220
 221 struct brw_state_flags {
 222    /** State update flags signalled by mesa internals */
 223    GLuint mesa;
 224    /**
 225     * State update flags signalled as the result of brw_tracked_state updates
 226     */
 227    GLuint brw;
 228    /** State update flags signalled by brw_state_cache.c searches */
 229    GLuint cache;
 230 };
 231
 232
 233
 234 /* Data about a particular attempt to compile a program.  Note that
 235  * there can be many of these, each in a different GL state
 236  * corresponding to a different brw_wm_prog_key struct, with different
 237  * compiled programs:
 238  */
 239 struct brw_wm_prog_data {
 240    GLuint curb_read_length;
 241    GLuint urb_read_length;
 242
 243    GLuint first_curbe_grf;
 244    GLuint total_grf;
 245    GLuint total_scratch;
 246
 247    GLuint nr_params;       /**< number of float params/constants */
 248    GLboolean error;
 249
 250    /* Pointer to tracked values (only valid once
 251     * _mesa_load_state_parameters has been called at runtime).
 252     */
 253    const GLfloat *param[BRW_MAX_CURBE];
 254 };
 255
 256 struct brw_sf_prog_data {
 257    GLuint urb_read_length;
 258    GLuint total_grf;
 259
 260    /* Each vertex may have upto 12 attributes, 4 components each,
 261     * except WPOS which requires only 2.  (11*4 + 2) == 44 ==> 11
 262     * rows.
 263     *
 264     * Actually we use 4 for each, so call it 12 rows.
 265     */
 266    GLuint urb_entry_size;
 267 };
 268
 269
 270 struct brw_clip_prog_data;
 271
 272 struct brw_gs_prog_data {
 273    GLuint urb_read_length;
 274    GLuint total_grf;
 275 };
 276
 277 struct brw_vs_prog_data {
 278    GLuint curb_read_length;
 279    GLuint urb_read_length;
 280    GLuint total_grf;
 281    GLuint nr_outputs_written;
 282    GLuint nr_params;       /**< number of float params/constants */
 283
 284    GLuint inputs_read;
 285
 286    /* Used for calculating urb partitions:
 287     */
 288    GLuint urb_entry_size;
 289 };
 290
 291
 292 /* Size == 0 if output either not written, or always [0,0,0,1]
 293  */
 294 struct brw_vs_ouput_sizes {
 295    GLubyte output_size[PIPE_MAX_SHADER_OUTPUTS];
 296 };
 297
 298
 299 /** Number of texture sampler units */
 300 #define BRW_MAX_TEX_UNIT 16
 301
 302 /**
 303  * Size of our surface binding table for the WM.
 304  * This contains pointers to the drawing surfaces and current texture
 305  * objects and shader constant buffers (+2).
 306  */
 307 #define BRW_WM_MAX_SURF (PIPE_MAX_COLOR_BUFS + BRW_MAX_TEX_UNIT + 1)
 308
 309 /**
 310  * Helpers to convert drawing buffers, textures and constant buffers
 311  * to surface binding table indexes, for WM.
 312  */
 313 #define SURF_INDEX_DRAW(d)           (d)
 314 #define SURF_INDEX_FRAG_CONST_BUFFER (PIPE_MAX_COLOR_BUFS)
 315 #define SURF_INDEX_TEXTURE(t)        (PIPE_MAX_COLOR_BUFS + 1 + (t))
 316
 317 /**
 318  * Size of surface binding table for the VS.
 319  * Only one constant buffer for now.
 320  */
 321 #define BRW_VS_MAX_SURF 1
 322
 323 /**
 324  * Only a VS constant buffer
 325  */
 326 #define SURF_INDEX_VERT_CONST_BUFFER 0
 327
 328
 329 enum brw_cache_id {
 330    BRW_CC_VP,
 331    BRW_CC_UNIT,
 332    BRW_WM_PROG,
 333    BRW_SAMPLER_DEFAULT_COLOR,
 334    BRW_SAMPLER,
 335    BRW_WM_UNIT,
 336    BRW_SF_PROG,
 337    BRW_SF_VP,
 338    BRW_SF_UNIT,
 339    BRW_VS_UNIT,
 340    BRW_VS_PROG,
 341    BRW_GS_UNIT,
 342    BRW_GS_PROG,
 343    BRW_CLIP_VP,
 344    BRW_CLIP_UNIT,
 345    BRW_CLIP_PROG,
 346    BRW_SS_SURFACE,
 347    BRW_SS_SURF_BIND,
 348
 349    BRW_MAX_CACHE
 350 };
 351
 352 struct brw_cache_item {
 353    /**
 354     * Effectively part of the key, cache_id identifies what kind of state
 355     * buffer is involved, and also which brw->state.dirty.cache flag should
 356     * be set when this cache item is chosen.
 357     */
 358    enum brw_cache_id cache_id;
 359    /** 32-bit hash of the key data */
 360    GLuint hash;
 361    GLuint key_size;             /* for variable-sized keys */
 362    const void *key;
 363    struct brw_winsys_buffer **reloc_bufs;
 364    GLuint nr_reloc_bufs;
 365
 366    struct brw_winsys_buffer *bo;
 367    GLuint data_size;
 368
 369    struct brw_cache_item *next;
 370 };
 371
 372
 373
 374 struct brw_cache {
 375    struct brw_context *brw;
 376
 377    struct brw_cache_item **items;
 378    GLuint size, n_items;
 379
 380    GLuint key_size[BRW_MAX_CACHE];              /* for fixed-size keys */
 381    GLuint aux_size[BRW_MAX_CACHE];
 382    char *name[BRW_MAX_CACHE];
 383
 384    /* Record of the last BOs chosen for each cache_id.  Used to set
 385     * brw->state.dirty.cache when a new cache item is chosen.
 386     */
 387    struct brw_winsys_buffer *last_bo[BRW_MAX_CACHE];
 388 };
 389
 390
 391 struct brw_tracked_state {
 392    struct brw_state_flags dirty;
 393    int (*prepare)( struct brw_context *brw );
 394    int (*emit)( struct brw_context *brw );
 395 };
 396
 397 /* Flags for brw->state.cache.
 398  */
 399 #define CACHE_NEW_CC_VP                  (1<<BRW_CC_VP)
 400 #define CACHE_NEW_CC_UNIT                (1<<BRW_CC_UNIT)
 401 #define CACHE_NEW_WM_PROG                (1<<BRW_WM_PROG)
 402 #define CACHE_NEW_SAMPLER_DEFAULT_COLOR  (1<<BRW_SAMPLER_DEFAULT_COLOR)
 403 #define CACHE_NEW_SAMPLER                (1<<BRW_SAMPLER)
 404 #define CACHE_NEW_WM_UNIT                (1<<BRW_WM_UNIT)
 405 #define CACHE_NEW_SF_PROG                (1<<BRW_SF_PROG)
 406 #define CACHE_NEW_SF_VP                  (1<<BRW_SF_VP)
 407 #define CACHE_NEW_SF_UNIT                (1<<BRW_SF_UNIT)
 408 #define CACHE_NEW_VS_UNIT                (1<<BRW_VS_UNIT)
 409 #define CACHE_NEW_VS_PROG                (1<<BRW_VS_PROG)
 410 #define CACHE_NEW_GS_UNIT                (1<<BRW_GS_UNIT)
 411 #define CACHE_NEW_GS_PROG                (1<<BRW_GS_PROG)
 412 #define CACHE_NEW_CLIP_VP                (1<<BRW_CLIP_VP)
 413 #define CACHE_NEW_CLIP_UNIT              (1<<BRW_CLIP_UNIT)
 414 #define CACHE_NEW_CLIP_PROG              (1<<BRW_CLIP_PROG)
 415 #define CACHE_NEW_SURFACE                (1<<BRW_SS_SURFACE)
 416 #define CACHE_NEW_SURF_BIND              (1<<BRW_SS_SURF_BIND)
 417
 418 struct brw_cached_batch_item {
 419    struct header *header;
 420    GLuint sz;
 421    struct brw_cached_batch_item *next;
 422 };
 423
 424
 425
 426 /* Protect against a future where VERT_ATTRIB_MAX > 32.  Wouldn't life
 427  * be easier if C allowed arrays of packed elements?
 428  */
 429 #define VS_INPUT_BITMASK_DWORDS  ((PIPE_MAX_SHADER_INPUTS+31)/32)
 430
 431
 432
 433
 434 struct brw_vertex_info {
 435    GLuint sizes[VS_INPUT_BITMASK_DWORDS * 2]; /* sizes:2[VERT_ATTRIB_MAX] */
 436 };
 437
 438
 439 struct brw_query_object {
 440    /** Doubly linked list of active query objects in the context. */
 441    struct brw_query_object *prev, *next;
 442
 443    /** Last query BO associated with this query. */
 444    struct brw_winsys_buffer *bo;
 445    /** First index in bo with query data for this object. */
 446    int first_index;
 447    /** Last index in bo with query data for this object. */
 448    int last_index;
 449
 450    /* Total count of pixels from previous BOs */
 451    unsigned int count;
 452 };
 453
 454
 455 /**
 456  * brw_context is derived from pipe_context
 457  */
 458 struct brw_context
 459 {
 460    struct pipe_context base;
 461    struct brw_chipset chipset;
 462
 463    struct brw_screen *brw_screen;
 464    struct brw_winsys_screen *sws;
 465
 466    struct brw_batchbuffer *batch;
 467
 468    GLuint primitive;
 469    GLuint reduced_primitive;
 470
 471    /* Active state from the state tracker:
 472     */
 473    struct {
 474       const struct brw_vertex_shader *vertex_shader;
 475       const struct brw_fragment_shader *fragment_shader;
 476       const struct brw_blend_state *blend;
 477       const struct brw_rasterizer_state *rast;
 478       const struct brw_depth_stencil_state *zstencil;
 479
 480       struct pipe_vertex_element vertex_element[PIPE_MAX_ATTRIBS];
 481       struct pipe_vertex_buffer vertex_buffer[PIPE_MAX_ATTRIBS];
 482       unsigned num_vertex_elements;
 483       unsigned num_vertex_buffers;
 484
 485       struct pipe_framebuffer_state fb;
 486       struct pipe_viewport_state vp;
 487       struct pipe_clip_state ucp;
 488       struct pipe_buffer *vertex_constants;
 489       struct pipe_buffer *fragment_constants;
 490
 491       struct pipe_viewport_state viewport;
 492       struct brw_blend_constant_color bcc;
 493       struct brw_polygon_stipple bps;
 494
 495       /**
 496        * Index buffer for this draw_prims call.
 497        *
 498        * Updates are signaled by PIPE_NEW_INDEX_BUFFER.
 499        */
 500       struct pipe_buffer *index_buffer;
 501       unsigned index_size;
 502
 503       /* Updates are signalled by PIPE_NEW_INDEX_RANGE:
 504        */
 505       unsigned min_index;
 506       unsigned max_index;
 507
 508    } curr;
 509
 510    struct {
 511       struct brw_state_flags dirty;
 512
 513       /**
 514        * List of buffers accumulated in brw_validate_state to receive
 515        * dri_bo_check_aperture treatment before exec, so we can know if we
 516        * should flush the batch and try again before emitting primitives.
 517        *
 518        * This can be a fixed number as we only have a limited number of
 519        * objects referenced from the batchbuffer in a primitive emit,
 520        * consisting of the vertex buffers, pipelined state pointers,
 521        * the CURBE, the depth buffer, and a query BO.
 522        */
 523       struct brw_winsys_buffer *validated_bos[PIPE_MAX_SHADER_INPUTS + 16];
 524       int validated_bo_count;
 525    } state;
 526
 527    struct brw_cache cache;  /** non-surface items */
 528    struct brw_cache surface_cache;  /* surface items */
 529    struct brw_cached_batch_item *cached_batch_items;
 530
 531    struct {
 532       struct u_upload_mgr *upload_vertex;
 533       struct u_upload_mgr *upload_index;
 534
 535       /* Information on uploaded vertex buffers:
 536        */
 537       struct {
 538          unsigned stride;       /* in bytes between successive vertices */
 539          unsigned offset;       /* in bytes, of first vertex in bo */
 540          unsigned vertex_count; /* count of valid vertices which may be accessed */
 541          struct brw_winsys_buffer *bo;
 542       } vb[PIPE_MAX_ATTRIBS];
 543
 544       struct {
 545       } ve[PIPE_MAX_ATTRIBS];
 546
 547       unsigned nr_vb;           /* currently the same as curr.num_vertex_buffers */
 548       unsigned nr_ve;           /* currently the same as curr.num_vertex_elements */
 549    } vb;
 550
 551    struct {
 552       /* Updates to these fields are signaled by BRW_NEW_INDEX_BUFFER. */
 553       struct brw_winsys_buffer *bo;
 554       unsigned int offset;
 555       unsigned int size;
 556       /* Offset to index buffer index to use in CMD_3D_PRIM so that we can
 557        * avoid re-uploading the IB packet over and over if we're actually
 558        * referencing the same index buffer.
 559        */
 560       unsigned int start_vertex_offset;
 561    } ib;
 562
 563
 564    /* BRW_NEW_URB_ALLOCATIONS:
 565     */
 566    struct {
 567       GLuint vsize;             /* vertex size plus header in urb registers */
 568       GLuint csize;             /* constant buffer size in urb registers */
 569       GLuint sfsize;            /* setup data size in urb registers */
 570
 571       GLboolean constrained;
 572
 573       GLuint nr_vs_entries;
 574       GLuint nr_gs_entries;
 575       GLuint nr_clip_entries;
 576       GLuint nr_sf_entries;
 577       GLuint nr_cs_entries;
 578
 579       GLuint vs_start;
 580       GLuint gs_start;
 581       GLuint clip_start;
 582       GLuint sf_start;
 583       GLuint cs_start;
 584    } urb;
 585
 586
 587    /* BRW_NEW_CURBE_OFFSETS:
 588     */
 589    struct {
 590       GLuint wm_start;  /**< pos of first wm const in CURBE buffer */
 591       GLuint wm_size;   /**< number of float[4] consts, multiple of 16 */
 592       GLuint clip_start;
 593       GLuint clip_size;
 594       GLuint vs_start;
 595       GLuint vs_size;
 596       GLuint total_size;
 597
 598       struct brw_winsys_buffer *curbe_bo;
 599       /** Offset within curbe_bo of space for current curbe entry */
 600       GLuint curbe_offset;
 601       /** Offset within curbe_bo of space for next curbe entry */
 602       GLuint curbe_next_offset;
 603
 604       GLfloat *last_buf;
 605       GLuint last_bufsz;
 606       /**
 607        *  Whether we should create a new bo instead of reusing the old one
 608        * (if we just dispatch the batch pointing at the old one.
 609        */
 610       GLboolean need_new_bo;
 611    } curbe;
 612
 613    struct {
 614       struct brw_vs_prog_data *prog_data;
 615
 616       struct brw_winsys_buffer *prog_bo;
 617       struct brw_winsys_buffer *state_bo;
 618
 619       /** Binding table of pointers to surf_bo entries */
 620       struct brw_winsys_buffer *bind_bo;
 621       struct brw_winsys_buffer *surf_bo[BRW_VS_MAX_SURF];
 622       GLuint nr_surfaces;
 623    } vs;
 624
 625    struct {
 626       struct brw_gs_prog_data *prog_data;
 627
 628       GLboolean prog_active;
 629       struct brw_winsys_buffer *prog_bo;
 630       struct brw_winsys_buffer *state_bo;
 631    } gs;
 632
 633    struct {
 634       struct brw_clip_prog_data *prog_data;
 635
 636       struct brw_winsys_buffer *prog_bo;
 637       struct brw_winsys_buffer *state_bo;
 638       struct brw_winsys_buffer *vp_bo;
 639    } clip;
 640
 641
 642    struct {
 643       struct brw_sf_prog_data *prog_data;
 644
 645       struct brw_winsys_buffer *prog_bo;
 646       struct brw_winsys_buffer *state_bo;
 647       struct brw_winsys_buffer *vp_bo;
 648    } sf;
 649
 650    struct {
 651       struct brw_wm_prog_data *prog_data;
 652       struct brw_wm_compile *compile_data;
 653
 654       /** Input sizes, calculated from active vertex program.
 655        * One bit per fragment program input attribute.
 656        */
 657       //GLbitfield input_size_masks[4];
 658
 659       /** Array of surface default colors (texture border color) */
 660       struct brw_winsys_buffer *sdc_bo[BRW_MAX_TEX_UNIT];
 661
 662       GLuint render_surf;
 663       GLuint nr_surfaces;
 664
 665       GLuint max_threads;
 666       struct brw_winsys_buffer *scratch_bo;
 667
 668       GLuint sampler_count;
 669       struct brw_winsys_buffer *sampler_bo;
 670
 671       /** Binding table of pointers to surf_bo entries */
 672       struct brw_winsys_buffer *bind_bo;
 673       struct brw_winsys_buffer *surf_bo[PIPE_MAX_COLOR_BUFS];
 674
 675       struct brw_winsys_buffer *prog_bo;
 676       struct brw_winsys_buffer *state_bo;
 677    } wm;
 678
 679
 680    struct {
 681       struct brw_winsys_buffer *prog_bo;
 682       struct brw_winsys_buffer *state_bo;
 683       struct brw_winsys_buffer *vp_bo;
 684    } cc;
 685
 686    struct {
 687       struct brw_query_object active_head;
 688       struct brw_winsys_buffer *bo;
 689       int index;
 690       GLboolean active;
 691    } query;
 692
 693    struct {
 694       unsigned always_emit_state:1;
 695       unsigned always_flush_batch:1;
 696       unsigned force_swtnl:1;
 697       unsigned no_swtnl:1;
 698    } flags;
 699
 700    /* Used to give every program string a unique id
 701     */
 702    GLuint program_id;
 703 };
 704
 705
 706
 707 /*======================================================================
 708  * brw_queryobj.c
 709  */
 710 void brw_init_query(struct brw_context *brw);
 711 void brw_prepare_query_begin(struct brw_context *brw);
 712 void brw_emit_query_begin(struct brw_context *brw);
 713 void brw_emit_query_end(struct brw_context *brw);
 714
 715 /*======================================================================
 716  * brw_state_dump.c
 717  */
 718 void brw_debug_batch(struct brw_context *intel);
 719
 720
 721 /*======================================================================
 722  * brw_pipe_*.c
 723  */
 724 void brw_pipe_blend_init( struct brw_context *brw );
 725 void brw_pipe_depth_stencil_init( struct brw_context *brw );
 726 void brw_pipe_framebuffer_init( struct brw_context *brw );
 727 void brw_pipe_flush_init( struct brw_context *brw );
 728 void brw_pipe_misc_init( struct brw_context *brw );
 729 void brw_pipe_query_init( struct brw_context *brw );
 730 void brw_pipe_rast_init( struct brw_context *brw );
 731 void brw_pipe_sampler_init( struct brw_context *brw );
 732 void brw_pipe_shader_init( struct brw_context *brw );
 733 void brw_pipe_vertex_init( struct brw_context *brw );
 734
 735 void brw_pipe_blend_cleanup( struct brw_context *brw );
 736 void brw_pipe_depth_stencil_cleanup( struct brw_context *brw );
 737 void brw_pipe_framebuffer_cleanup( struct brw_context *brw );
 738 void brw_pipe_flush_cleanup( struct brw_context *brw );
 739 void brw_pipe_misc_cleanup( struct brw_context *brw );
 740 void brw_pipe_query_cleanup( struct brw_context *brw );
 741 void brw_pipe_rast_cleanup( struct brw_context *brw );
 742 void brw_pipe_sampler_cleanup( struct brw_context *brw );
 743 void brw_pipe_shader_cleanup( struct brw_context *brw );
 744 void brw_pipe_vertex_cleanup( struct brw_context *brw );
 745
 746
 747 /* brw_urb.c
 748  */
 749 int brw_upload_urb_fence(struct brw_context *brw);
 750
 751 /* brw_curbe.c
 752  */
 753 int brw_upload_cs_urb_state(struct brw_context *brw);
 754
 755 /* brw_disasm.c */
 756 int brw_disasm (FILE *file, struct brw_instruction *inst);
 757
 758 /*======================================================================
 759  * Inline conversion functions.  These are better-typed than the
 760  * macros used previously:
 761  */
 762 static INLINE struct brw_context *
 763 brw_context( struct pipe_context *ctx )
 764 {
 765    return (struct brw_context *)ctx;
 766 }
 767
 768
 769 #define BRW_IS_965(brw)    ((brw)->chipset.is_965)
 770 #define BRW_IS_IGDNG(brw)  ((brw)->chipset.is_igdng)
 771 #define BRW_IS_G4X(brw)    ((brw)->chipset.is_g4x)
 772
 773
 774 #endif
 775