diff --git a/src/gallium/drivers/radeonsi/si_state_draw.cpp b/src/gallium/drivers/radeonsi/si_state_draw.cpp index 682195ba528..0d91d8520e1 100644 --- a/src/gallium/drivers/radeonsi/si_state_draw.cpp +++ b/src/gallium/drivers/radeonsi/si_state_draw.cpp @@ -2064,8 +2064,12 @@ static void si_draw_vbo(struct pipe_context *ctx, /* Use NGG fast launch for certain primitive types. * A draw must have at least 1 full primitive. * The fast launch doesn't work with tessellation. + * + * Small instances (including small draws) don't perform well with fast launch. + * It's better to use normal launch with NOT_EOP for small draws, and it's + * always better to use normal launch for small instances. */ - if (!HAS_TESS && ngg_culling && min_direct_count >= 3 && + if (!HAS_TESS && ngg_culling && min_direct_count >= 64 && !(sctx->screen->debug_flags & DBG(NO_FAST_LAUNCH))) { if (prim == PIPE_PRIM_TRIANGLES && !index_size) { ngg_culling |= SI_NGG_CULL_GS_FAST_LAUNCH_TRI_LIST;