Module: Mesa Branch: master Commit: f1824905faad6831edee6cf35cb8fa389ef3852a URL: http://cgit.freedesktop.org/mesa/mesa/commit/?id=f1824905faad6831edee6cf35cb8fa389ef3852a
Author: Zou Nan hai <nanhai....@intel.com> Date: Wed Mar 2 14:23:17 2011 +0800 i965: Maxinum the usage of urb space on SNB. SNB has 64k urb space, we only use piece of them. The more urb space we alloc, the more concurrent vs threads we can run. push the urb space usage to the limit. Signed-off-by: Zou Nan hai <nanhai....@intel.com> --- src/mesa/drivers/dri/i965/gen6_urb.c | 16 ++++++---------- 1 files changed, 6 insertions(+), 10 deletions(-) diff --git a/src/mesa/drivers/dri/i965/gen6_urb.c b/src/mesa/drivers/dri/i965/gen6_urb.c index fc46c4c..57be50a 100644 --- a/src/mesa/drivers/dri/i965/gen6_urb.c +++ b/src/mesa/drivers/dri/i965/gen6_urb.c @@ -34,19 +34,15 @@ static void prepare_urb( struct brw_context *brw ) { - brw->urb.nr_vs_entries = 24; - if (brw->gs.prog_bo) - brw->urb.nr_gs_entries = 4; - else - brw->urb.nr_gs_entries = 0; + brw->urb.nr_vs_entries = 256; + brw->urb.nr_gs_entries = 256; + /* CACHE_NEW_VS_PROG */ brw->urb.vs_size = MAX2(brw->vs.prog_data->urb_entry_size, 1); - /* Check that the number of URB rows (8 floats each) allocated is less - * than the URB space. - */ - assert((brw->urb.nr_vs_entries + - brw->urb.nr_gs_entries) * brw->urb.vs_size * 8 < 64 * 1024); + if (256 * brw->urb.vs_size > 64 * 1024) + brw->urb.nr_vs_entries = brw->urb.nr_gs_entries = + (64 * 1024 ) / brw->urb.vs_size; } static void _______________________________________________ mesa-commit mailing list mesa-commit@lists.freedesktop.org http://lists.freedesktop.org/mailman/listinfo/mesa-commit