C++ (Cpp) brw_clip_tri Exemples

Exemple #1

Fichier : brw_clip_unfilled.c Projet : Thermionix/Mesa-3D

void brw_emit_unfilled_clip( struct brw_clip_compile *c )
{
   struct brw_compile *p = &c->func;

   c->need_direction = ((c->key.offset_ccw || c->key.offset_cw) ||
			(c->key.fill_ccw != c->key.fill_cw) ||
			c->key.fill_ccw == CLIP_CULL ||
			c->key.fill_cw == CLIP_CULL ||
			c->key.copy_bfc_cw ||
			c->key.copy_bfc_ccw);

   brw_clip_tri_alloc_regs(c, 3 + c->key.nr_userclip + 6);
   brw_clip_tri_init_vertices(c);
   brw_clip_init_ff_sync(c);

   assert(brw_clip_have_varying(c, VARYING_SLOT_EDGE));

   if (c->key.fill_ccw == CLIP_CULL &&
       c->key.fill_cw == CLIP_CULL) {
      brw_clip_kill_thread(c);
      return;
   }

   merge_edgeflags(c);

   /* Need to use the inlist indirection here:
    */
   if (c->need_direction)
      compute_tri_direction(c);

   if (c->key.fill_ccw == CLIP_CULL ||
       c->key.fill_cw == CLIP_CULL)
      cull_direction(c);

   if (c->key.offset_ccw ||
       c->key.offset_cw)
      compute_offset(c);

   if (c->key.copy_bfc_ccw ||
       c->key.copy_bfc_cw)
      copy_bfc(c);

   /* Need to do this whether we clip or not:
    */
   if (c->has_flat_shading)
      brw_clip_tri_flat_shade(c);

   brw_clip_init_clipmask(c);
   brw_CMP(p, vec1(brw_null_reg()), BRW_CONDITIONAL_NZ, c->reg.planemask, brw_imm_ud(0));
   brw_IF(p, BRW_EXECUTE_1);
   {
      brw_clip_init_planes(c);
      brw_clip_tri(c);
      check_nr_verts(c);
   }
   brw_ENDIF(p);

   emit_unfilled_primitives(c);
   brw_clip_kill_thread(c);
}

Exemple #2

Fichier : brw_clip_tri.c Projet : 1065672644894730302/Chromium

static void do_clip_tri( struct brw_clip_compile *c )
{
   brw_clip_init_planes(c);

   brw_clip_tri(c);
}