From 867d0cc1fece5343e8c1655fc1b799aa8fcf5a0d Mon Sep 17 00:00:00 2001 From: Eric Anholt Date: Mon, 7 Oct 2013 14:34:00 -0700 Subject: [PATCH] i965: Add perf debug hint when the app makes us do index buffer scanning. Reviewed-by: Jordan Justen --- src/mesa/drivers/dri/i965/brw_draw.c | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) diff --git a/src/mesa/drivers/dri/i965/brw_draw.c b/src/mesa/drivers/dri/i965/brw_draw.c index b6cfd53712c..0acd089bcde 100644 --- a/src/mesa/drivers/dri/i965/brw_draw.c +++ b/src/mesa/drivers/dri/i965/brw_draw.c @@ -481,8 +481,11 @@ void brw_draw_prims( struct gl_context *ctx, * get the minimum and maximum of their index buffer so we know what range * to upload. */ - if (!vbo_all_varyings_in_vbos(arrays) && !index_bounds_valid) + if (!vbo_all_varyings_in_vbos(arrays) && !index_bounds_valid) { + perf_debug("Scanning index buffer to compute index buffer bounds. " + "Use glDrawRangeElements() to avoid this.\n"); vbo_get_minmax_indices(ctx, prims, ib, &min_index, &max_index, nr_prims); + } /* Do GL_SELECT and GL_FEEDBACK rendering using swrast, even though it * won't support all the extensions we support. -- 2.30.2