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i965: clip: Modify brw_clip_tri_alloc_regs() to use the VUE map.

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Reviewed-by: Eric Anholt <eric@anholt.net>
This commit is contained in:
Paul Berry 2011-08-25 08:06:31 -07:00
parent 62b0c8561e
commit 2bc421845e
1 changed files with 5 additions and 2 deletions
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7
src/mesa/drivers/dri/i965/brw_clip_tri.c
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@ -74,9 +74,12 @@ void brw_clip_tri_alloc_regs( struct brw_clip_compile *c,
i += c->nr_regs;
}
if (c->nr_attrs & 1) {
if (c->vue_map.num_slots % 2) {
/* The VUE has an odd number of slots so the last register is only half
* used. Fill the second half with zero.
*/
for (j = 0; j < 3; j++) {
GLuint delta = c->offset[c->idx_to_attr[c->nr_attrs - 1]] + ATTR_SIZE;
GLuint delta = c->vue_map.num_slots * ATTR_SIZE;
brw_MOV(&c->func, byte_offset(c->reg.vertex[j], delta), brw_imm_f(0));
}