From: Marek Olšák <marek.olsak@amd.com>
Date: Sun, 22 Nov 2020 03:21:26 +0000 (-0500)
Subject: panfrost: don't use index_bias if not indexed
X-Git-Tag: upstream/21.0.0~752
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=b41938eba6c004d5fc0353ff129c3861870b1a32;p=platform%2Fupstream%2Fmesa.git

panfrost: don't use index_bias if not indexed

index_bias is undefined if index_size == 0.

Reviewed-by: Boris Brezillon <boris.brezillon@collabora.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/7679>
---

diff --git a/src/gallium/drivers/panfrost/pan_context.c b/src/gallium/drivers/panfrost/pan_context.c
index 66523bc..61838df 100644
--- a/src/gallium/drivers/panfrost/pan_context.c
+++ b/src/gallium/drivers/panfrost/pan_context.c
@@ -518,7 +518,7 @@ panfrost_draw_vbo(
         panfrost_batch_set_requirements(batch);
 
         /* Take into account a negative bias */
-        ctx->vertex_count = draws[0].count + abs(info->index_bias);
+        ctx->vertex_count = draws[0].count + (info->index_size ? abs(info->index_bias) : 0);
         ctx->instance_count = info->instance_count;
         ctx->active_prim = info->mode;