From fff693828ed5398ae284fb01c129d0f8986a126e Mon Sep 17 00:00:00 2001 From: Eric Anholt Date: Fri, 21 Oct 2011 19:08:55 -0700 Subject: [PATCH] i965: Add a note about an unsafe-looking state check. Reviewed-by: Kenneth Graunke Acked-by: Paul Berry --- src/mesa/drivers/dri/i965/brw_draw.c | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/src/mesa/drivers/dri/i965/brw_draw.c b/src/mesa/drivers/dri/i965/brw_draw.c index c02b2bc..c3755d5 100644 --- a/src/mesa/drivers/dri/i965/brw_draw.c +++ b/src/mesa/drivers/dri/i965/brw_draw.c @@ -350,6 +350,11 @@ static bool brw_try_draw_prims( struct gl_context *ctx, else gen6_set_prim(brw, &prim[i]); + /* Note that before the loop, brw->state.dirty.brw was set to != 0, and + * that the state updated in the loop outside of this block is that in + * *_set_prim or intel_batchbuffer_flush(), which only impacts + * brw->state.dirty.brw. + */ if (brw->state.dirty.brw) { brw_validate_state(brw); -- 2.7.4