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authorKenneth Graunke <[email protected]>2013-04-02 21:11:51 -0700
committerKenneth Graunke <[email protected]>2013-04-04 15:38:19 -0700
commit967514ce680f7bf785ab544c6174786dd20425de (patch)
tree4b148a4bc5cd410fd0db8ae9aca0a912ac41e256 /src/mesa
parent8cdb2d32ecd636a6d68840a68504c1fe1b14426b (diff)
i965: Use a variable for the push constant size in kB.
This clarifies that the offset of 2 is actually 16 kB / 8kB units. It also keys both computations off of a single variable, which should make it easier to change in the future. Signed-off-by: Kenneth Graunke <[email protected]> Reviewed-by: Paul Berry <[email protected]>
Diffstat (limited to 'src/mesa')
-rw-r--r--src/mesa/drivers/dri/i965/gen7_urb.c5
1 files changed, 3 insertions, 2 deletions
diff --git a/src/mesa/drivers/dri/i965/gen7_urb.c b/src/mesa/drivers/dri/i965/gen7_urb.c
index dafe1add51f..5ac388589b4 100644
--- a/src/mesa/drivers/dri/i965/gen7_urb.c
+++ b/src/mesa/drivers/dri/i965/gen7_urb.c
@@ -78,8 +78,9 @@ static void
gen7_upload_urb(struct brw_context *brw)
{
struct intel_context *intel = &brw->intel;
+ const int push_size_kB = 16;
/* Total space for entries is URB size - 16kB for push constants */
- int handle_region_size = (brw->urb.size - 16) * 1024; /* bytes */
+ int handle_region_size = (brw->urb.size - push_size_kB) * 1024; /* bytes */
/* CACHE_NEW_VS_PROG */
unsigned vs_size = MAX2(brw->vs.prog_data->urb_entry_size, 1);
@@ -92,7 +93,7 @@ gen7_upload_urb(struct brw_context *brw)
brw->urb.nr_vs_entries = ROUND_DOWN_TO(nr_vs_entries, 8);
/* URB Starting Addresses are specified in multiples of 8kB. */
- brw->urb.vs_start = 2; /* skip over push constants */
+ brw->urb.vs_start = push_size_kB / 8; /* skip over push constants */
assert(brw->urb.nr_vs_entries % 8 == 0);
assert(brw->urb.nr_gs_entries % 8 == 0);