fdo-mirrors/mesa
1
0
Fork 0
mirror of https://gitlab.freedesktop.org/mesa/mesa.git synced 2026-05-08 11:18:08 +02:00
Code Issues Projects Releases Packages Wiki Activity Actions 1

i965/eu: Update jump distance scaling for Broadwell.

Browse source 
Broadwell measures jump distances in bytes, so we need to scale by 16.

v2: Update the function in brw_eu.h, not in brw_eu_emit.c.

Signed-off-by: Kenneth Graunke <kenneth@whitecape.org>
Reviewed-by: Chris Forbes <chrisf@ijw.co.nz>
Reviewed-by: Matt Turner <mattst88@gmail.com>
This commit is contained in:
Kenneth Graunke 2014-07-03 15:01:58 -07:00
parent 82ddd517af
commit db64c2eee2
1 changed files with 4 additions and 0 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

4
src/mesa/drivers/dri/i965/brw_eu.h
View file

@ -326,6 +326,10 @@ void brw_shader_time_add(struct brw_compile *p,
static inline unsigned static inline unsigned
brw_jump_scale(const struct brw_context *brw) brw_jump_scale(const struct brw_context *brw)
{ {
/* Broadwell measures jump targets in bytes. */
if (brw->gen >= 8)
return 16;
/* Ironlake and later measure jump targets in 64-bit data chunks (in order /* Ironlake and later measure jump targets in 64-bit data chunks (in order
* (to support compaction), so each 128-bit instruction requires 2 chunks. * (to support compaction), so each 128-bit instruction requires 2 chunks.
*/ */