Use the same limit for kcache constants in alu group on r6xx as on other
chips (two const pairs). Relaxing this will require additional checks to
make sure that all 4 consts in the group come from 2 kcache sets (clause
limit), probably without noticeable improvements of shader performance.
Signed-off-by: Vadim Girlin <vadimgir...@gmail.com>
---
src/gallium/drivers/r600/sb/sb_sched.cpp | 6 +++++-
1 file changed, 5 insertions(+), 1 deletion(-)
diff --git a/src/gallium/drivers/r600/sb/sb_sched.cpp
b/src/gallium/drivers/r600/sb/sb_sched.cpp
index b21b342..d0045ce 100644
--- a/src/gallium/drivers/r600/sb/sb_sched.cpp
+++ b/src/gallium/drivers/r600/sb/sb_sched.cpp
@@ -43,7 +43,11 @@ namespace r600_sb {
using std::cerr;
rp_kcache_tracker::rp_kcache_tracker(shader &sh) : rp(), uc(),
- sel_count(sh.get_ctx().is_r600() ? 4 : 2) {}
+ // FIXME: for now we'll use "two const pairs" limit for r600,
same as
+ // for other chips, otherwise additional check in
alu_group_tracker is
+ // required to make sure that all 4 consts in the group fit
into 2
+ // kcache sets
+ sel_count(2) {}
bool rp_kcache_tracker::try_reserve(sel_chan r) {
unsigned sel = kc_sel(r);
--
1.8.2.1
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