brw_vs_state.c File Reference

Include dependency graph for brw_vs_state.c:

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Functions
static void	upload_vs_unit (struct brw_context *brw)
Variables
struct brw_tracked_state	brw_vs_unit

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Function Documentation

static void upload_vs_unit

(

struct brw_context *

brw

)

[static]

Definition at line 40 of file brw_vs_state.c.

References align(), brw_cache_data(), BRW_DEBUG, BRW_FLOATING_POINT_NON_IEEE_754, BRW_VS_UNIT, brw_context::cache, brw_context::clip_start, thread3::const_urb_entry_read_length, thread3::const_urb_entry_read_offset, brw_vs_prog_data::curb_read_length, brw_context::curbe, DEBUG_SINGLE_THREAD, DEBUG_STATS, thread3::dispatch_grf_start_reg, thread1::floating_point_mode, thread0::grf_reg_count, thread0::kernel_start_pointer, MAX2, brw_vs_unit_state::max_threads, MIN2, brw_vs_unit_state::nr_urb_entries, brw_context::nr_vs_entries, brw_context::prog_data, brw_context::prog_gs_offset, brw_vs_unit_state::sampler_count, brw_context::state_gs_offset, brw_vs_unit_state::stats_enable, brw_vs_unit_state::thread0, brw_vs_unit_state::thread1, brw_vs_unit_state::thread3, brw_vs_unit_state::thread4, brw_vs_prog_data::total_grf, brw_context::urb, brw_vs_unit_state::urb_entry_allocation_size, thread3::urb_entry_read_length, thread3::urb_entry_read_offset, brw_vs_prog_data::urb_read_length, brw_context::vs, brw_vs_unit_state::vs5, brw_vs_unit_state::vs6, brw_vs_unit_state::vs_enable, brw_context::vs_start, and brw_context::vsize.

{
   struct brw_vs_unit_state vs;

   memset(&vs, 0, sizeof(vs));

   /* CACHE_NEW_VS_PROG */
   vs.thread0.kernel_start_pointer = brw->vs.prog_gs_offset >> 6;
   vs.thread0.grf_reg_count = align(brw->vs.prog_data->total_grf, 16) / 16 - 1;
   vs.thread3.urb_entry_read_length = brw->vs.prog_data->urb_read_length;
   vs.thread3.const_urb_entry_read_length = brw->vs.prog_data->curb_read_length;
   vs.thread3.dispatch_grf_start_reg = 1;


   /* BRW_NEW_URB_FENCE  */
   vs.thread4.nr_urb_entries = brw->urb.nr_vs_entries;
   vs.thread4.urb_entry_allocation_size = brw->urb.vsize - 1;
   vs.thread4.max_threads = MIN2(
      MAX2(0, (brw->urb.nr_vs_entries - 6) / 2 - 1),
      15);



   if (BRW_DEBUG & DEBUG_SINGLE_THREAD)
      vs.thread4.max_threads = 0;

   /* BRW_NEW_CURBE_OFFSETS, _NEW_TRANSFORM */
   if (0 /*brw->attribs.Clip->ClipPlanesEnabled*/) {
      /* Note that we read in the userclip planes as well, hence
       * clip_start:
       */
      vs.thread3.const_urb_entry_read_offset = brw->curbe.clip_start * 2;
   }
   else {
      vs.thread3.const_urb_entry_read_offset = brw->curbe.vs_start * 2;
   }

   vs.thread1.floating_point_mode = BRW_FLOATING_POINT_NON_IEEE_754;
   vs.thread3.urb_entry_read_offset = 0;

   /* No samplers for ARB_vp programs:
    */
   vs.vs5.sampler_count = 0;

   if (BRW_DEBUG & DEBUG_STATS)
      vs.thread4.stats_enable = 1;

   /* Vertex program always enabled:
    */
   vs.vs6.vs_enable = 1;

   brw->vs.state_gs_offset = brw_cache_data( &brw->cache[BRW_VS_UNIT], &vs );
}

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Variable Documentation

struct brw_tracked_state brw_vs_unit

Initial value:

 {
   .dirty = {
      .brw   = ( 0x10  |
                 0x40000  |
                 0x10000 ),
      .cache =  (1<<BRW_VS_PROG) 
   },
   .update = upload_vs_unit
}

Definition at line 95 of file brw_vs_state.c.

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