diff options
| author | Eric Anholt <eric@anholt.net> | 2009-08-03 15:24:02 -0700 |
|---|---|---|
| committer | Eric Anholt <eric@anholt.net> | 2009-09-04 14:12:35 -0700 |
| commit | 456a16491bc757af6ba9a98e5706a78f748e9a79 (patch) | |
| tree | 7072e9bc6f0b3fe4fe79929881af40c2e8c70630 | |
| parent | 9eca0e5350377148976e0d1200f98bd20ac28197 (diff) | |
i965: Make sure the VS URB size is big enough to fit a VF VUE.
This fix is just from code and docs inspection, but it may fix hangs on
some applications.
(cherry picked from commit e93848e595176ae0bad3bfe64e0ca63fd089bb72)
| -rw-r--r-- | src/mesa/drivers/dri/i965/brw_vs_emit.c | 9 |
1 files changed, 8 insertions, 1 deletions
diff --git a/src/mesa/drivers/dri/i965/brw_vs_emit.c b/src/mesa/drivers/dri/i965/brw_vs_emit.c index b69616d6e5..6792c3a34e 100644 --- a/src/mesa/drivers/dri/i965/brw_vs_emit.c +++ b/src/mesa/drivers/dri/i965/brw_vs_emit.c @@ -68,6 +68,7 @@ static void release_tmps( struct brw_vs_compile *c ) static void brw_vs_alloc_regs( struct brw_vs_compile *c ) { GLuint i, reg = 0, mrf; + int attributes_in_vue; #if 0 if (c->vp->program.Base.Parameters->NumParameters >= 6) @@ -201,7 +202,13 @@ static void brw_vs_alloc_regs( struct brw_vs_compile *c ) */ c->prog_data.urb_read_length = (c->nr_inputs + 1) / 2; - c->prog_data.urb_entry_size = (c->nr_outputs + 2 + 3) / 4; + /* The VS VUEs are shared by VF (outputting our inputs) and VS, so size + * them to fit the biggest thing they need to. + */ + attributes_in_vue = MAX2(c->nr_outputs, c->nr_inputs); + + c->prog_data.urb_entry_size = (attributes_in_vue + 2 + 3) / 4; + c->prog_data.total_grf = reg; if (INTEL_DEBUG & DEBUG_VS) { |