When doing repclears, we only want to use the SIMD16 program, not the SIMD8 one. Kristian added this to the Gen7+ code, but apparently we missed it in the Gen6 code. This patch copies that code over.
Approximately doubles the performance in a clear microbenchmark from mesa-demos (clearspd -width 500 -height 500 +color) on Sandybridge. Cc: "10.4 10.3" <mesa-sta...@lists.freedesktop.org> Cc: Stéphane Marchesin <marc...@chromium.org> Signed-off-by: Kenneth Graunke <kenn...@whitecape.org> Reviewed-by: Kristian Høgsberg <k...@bitplanet.net> References: https://code.google.com/p/chrome-os-partner/issues/detail?id=34681 --- src/mesa/drivers/dri/i965/gen6_wm_state.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/src/mesa/drivers/dri/i965/gen6_wm_state.c b/src/mesa/drivers/dri/i965/gen6_wm_state.c index e57b7f6..8e673a4 100644 --- a/src/mesa/drivers/dri/i965/gen6_wm_state.c +++ b/src/mesa/drivers/dri/i965/gen6_wm_state.c @@ -135,10 +135,10 @@ upload_wm_state(struct brw_context *brw) _mesa_get_min_invocations_per_fragment(ctx, brw->fragment_program, false); assert(min_inv_per_frag >= 1); - if (prog_data->prog_offset_16) { + if (prog_data->prog_offset_16 || prog_data->no_8) { dw5 |= GEN6_WM_16_DISPATCH_ENABLE; - if (min_inv_per_frag == 1) { + if (!prog_data->no_8 && min_inv_per_frag == 1) { dw5 |= GEN6_WM_8_DISPATCH_ENABLE; dw4 |= (prog_data->base.dispatch_grf_start_reg << GEN6_WM_DISPATCH_START_GRF_SHIFT_0); -- 2.1.3 _______________________________________________ mesa-dev mailing list mesa-dev@lists.freedesktop.org http://lists.freedesktop.org/mailman/listinfo/mesa-dev
