Module: Mesa Branch: mesa_7_5_branch Commit: 456a16491bc757af6ba9a98e5706a78f748e9a79 URL: http://cgit.freedesktop.org/mesa/mesa/commit/?id=456a16491bc757af6ba9a98e5706a78f748e9a79
Author: Eric Anholt <[email protected]> Date: Mon Aug 3 15:24:02 2009 -0700 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) --- 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 b69616d..6792c3a 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) { _______________________________________________ mesa-commit mailing list [email protected] http://lists.freedesktop.org/mailman/listinfo/mesa-commit
