diff options
| author | Eric Anholt <eric@anholt.net> | 2012-09-21 07:26:33 +0200 |
|---|---|---|
| committer | Eric Anholt <eric@anholt.net> | 2012-09-27 13:22:49 -0700 |
| commit | 7f9e1a7720f5e7b464c39e3640e8ed64687e9645 (patch) | |
| tree | 3b7afdc7853cc0dc1cdbd827f06c4c30ef0e8a54 /src/mesa/drivers/dri/i965/brw_draw_upload.c | |
| parent | 0334e8dc25d09e3254e61d5d122b4fd7bfbd627a (diff) | |
i965: Add a comment explaining one of the brw_draw_upload.c loops.
Reviewed-and-tested-by: Kenneth Graunke <kenneth@whitecape.org>
Diffstat (limited to 'src/mesa/drivers/dri/i965/brw_draw_upload.c')
| -rw-r--r-- | src/mesa/drivers/dri/i965/brw_draw_upload.c | 4 |
1 files changed, 4 insertions, 0 deletions
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 && |