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authorMichal Wajdeczko <Michal.Wajdeczko@intel.com>2008-03-21 13:48:12 -0700
committerEric Anholt <eric@anholt.net>2008-03-21 14:19:30 -0700
commitbb419970ef465804c0e5369264314d9d92726c18 (patch)
treecddd4438da123afb479c727b1e43fd0af8ab7dad /src/mesa/drivers/dri/i965
parent6c1a98e97affb2163e776551eb3a9e669ff99bbf (diff)
[965] Improve pinterp performance by delaying reads of just-written regs.
Diffstat (limited to 'src/mesa/drivers/dri/i965')
-rw-r--r--src/mesa/drivers/dri/i965/brw_wm_emit.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/src/mesa/drivers/dri/i965/brw_wm_emit.c b/src/mesa/drivers/dri/i965/brw_wm_emit.c
index 0000edda84..82ebd5c257 100644
--- a/src/mesa/drivers/dri/i965/brw_wm_emit.c
+++ b/src/mesa/drivers/dri/i965/brw_wm_emit.c
@@ -223,6 +223,10 @@ static void emit_pinterp( struct brw_compile *p,
if (mask & (1<<i)) {
brw_LINE(p, brw_null_reg(), interp[i], deltas[0]);
brw_MAC(p, dst[i], suboffset(interp[i],1), deltas[1]);
+ }
+ }
+ for(i = 0; i < 4; i++ ) {
+ if (mask & (1<<i)) {
brw_MUL(p, dst[i], dst[i], w[3]);
}
}