From: Eric Anholt Date: Fri, 21 Sep 2012 05:26:33 +0000 (+0200) Subject: i965: Add a comment explaining one of the brw_draw_upload.c loops. X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=7f9e1a7720f5e7b464c39e3640e8ed64687e9645;p=mesa.git i965: Add a comment explaining one of the brw_draw_upload.c loops. Reviewed-and-tested-by: Kenneth Graunke --- diff --git a/src/mesa/drivers/dri/i965/brw_draw_upload.c b/src/mesa/drivers/dri/i965/brw_draw_upload.c index 31e092e2cc6..f5f65caf058 100644 --- a/src/mesa/drivers/dri/i965/brw_draw_upload.c +++ b/src/mesa/drivers/dri/i965/brw_draw_upload.c @@ -411,6 +411,10 @@ static void brw_prepare_vertices(struct brw_context *brw) intel_buffer_object(glarray->BufferObj); int k; + /* If we have a VB set to be uploaded for this buffer object + * already, reuse that VB state so that we emit fewer + * relocations. + */ for (k = 0; k < i; k++) { const struct gl_client_array *other = brw->vb.enabled[k]->glarray; if (glarray->BufferObj == other->BufferObj &&