- /* Begin the compilation:
- */
- brw_init_compile(brw, &c.func, mem_ctx);
-
- c.key = *key;
- c.nr_attrs = brw_count_bits(c.key.attrs);
- c.nr_attr_regs = (c.nr_attrs+1)/2;
- c.nr_setup_attrs = brw_count_bits(c.key.attrs);
- c.nr_setup_regs = (c.nr_setup_attrs+1)/2;
-
- c.prog_data.urb_read_length = c.nr_attr_regs;
- c.prog_data.urb_entry_size = c.nr_setup_regs * 2;
-
- /* Construct map from attribute number to position in the vertex.
- */
- for (i = idx = 0; i < VERT_RESULT_MAX; i++) {
- if (c.key.attrs & BITFIELD64_BIT(i)) {
- c.attr_to_idx[i] = idx;
- c.idx_to_attr[idx] = i;
- idx++;
- }
- }
-
- /* Which primitive? Or all three?
- */
- switch (key->primitive) {
- case SF_TRIANGLES:
- c.nr_verts = 3;
- brw_emit_tri_setup( &c, GL_TRUE );
- break;
- case SF_LINES:
- c.nr_verts = 2;
- brw_emit_line_setup( &c, GL_TRUE );
- break;
- case SF_POINTS:
- c.nr_verts = 1;
- if (key->do_point_sprite)
- brw_emit_point_sprite_setup( &c, GL_TRUE );
- else
- brw_emit_point_setup( &c, GL_TRUE );
- break;
- case SF_UNFILLED_TRIS:
- c.nr_verts = 3;
- brw_emit_anyprim_setup( &c );
- break;
- default:
- assert(0);
- return;
- }