diff options
| author | Eric Anholt <eric@anholt.net> | 2009-06-30 14:26:06 -0700 |
|---|---|---|
| committer | Eric Anholt <eric@anholt.net> | 2009-06-30 17:55:23 -0700 |
| commit | c3499f6c66bf93d7752ea70a13bbbab3d2b2c288 (patch) | |
| tree | 775ed0c23195a0ae96daba72748bc9c8ddd99e52 /src/mesa/drivers/dri/i965/brw_urb.c | |
| parent | f359165a8295a2f3bff7c80a8e45d91ca98392a9 (diff) | |
i965: Increase G4X default VS URB allocation to actually allow 32 threads.
This improves the performance of my GLSL demo by 30%. It also fixes the
VS deadlock that ut2004 had, for reasons I can't explain. Bug #21330.
Diffstat (limited to 'src/mesa/drivers/dri/i965/brw_urb.c')
| -rw-r--r-- | src/mesa/drivers/dri/i965/brw_urb.c | 17 |
1 files changed, 14 insertions, 3 deletions
diff --git a/src/mesa/drivers/dri/i965/brw_urb.c b/src/mesa/drivers/dri/i965/brw_urb.c index 7673dd36eb..47bc45c912 100644 --- a/src/mesa/drivers/dri/i965/brw_urb.c +++ b/src/mesa/drivers/dri/i965/brw_urb.c @@ -143,7 +143,19 @@ static void recalculate_urb_fence( struct brw_context *brw ) brw->urb.nr_clip_entries = limits[CLP].preferred_nr_entries; brw->urb.nr_sf_entries = limits[SF].preferred_nr_entries; brw->urb.nr_cs_entries = limits[CS].preferred_nr_entries; - + + brw->urb.constrained = 0; + + if (BRW_IS_G4X(brw)) { + brw->urb.nr_vs_entries = 64; + if (check_urb_layout(brw)) { + goto done; + } else { + brw->urb.constrained = 1; + brw->urb.nr_vs_entries = limits[VS].preferred_nr_entries; + } + } + if (!check_urb_layout(brw)) { brw->urb.nr_vs_entries = limits[VS].min_nr_entries; brw->urb.nr_gs_entries = limits[GS].min_nr_entries; @@ -169,9 +181,8 @@ static void recalculate_urb_fence( struct brw_context *brw ) if (INTEL_DEBUG & (DEBUG_URB|DEBUG_FALLBACKS)) _mesa_printf("URB CONSTRAINED\n"); } - else - brw->urb.constrained = 0; +done: if (INTEL_DEBUG & DEBUG_URB) _mesa_printf("URB fence: %d ..VS.. %d ..GS.. %d ..CLP.. %d ..SF.. %d ..CS.. %d\n", brw->urb.vs_start, |