Mesa (master): gallium/u_threaded: convert dividing by index_size to a bit shift

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Module: Mesa
Branch: master
Commit: f55ae2cdbe8eca6a28c9f1a2d8e1a637e9b61103
URL:    http://cgit.freedesktop.org/mesa/mesa/commit/?id=f55ae2cdbe8eca6a28c9f1a2d8e1a637e9b61103

Author: Marek Olšák <marek.olsak at amd.com>
Date:   Wed Feb 26 15:10:47 2020 -0500

gallium/u_threaded: convert dividing by index_size to a bit shift

Reviewed-by: Pierre-Eric Pelloux-Prayer <pierre-eric.pelloux-prayer at amd.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/3990>

---

 src/gallium/auxiliary/util/u_threaded_context.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/gallium/auxiliary/util/u_threaded_context.c b/src/gallium/auxiliary/util/u_threaded_context.c
index c1f74e70e32..30790949336 100644
--- a/src/gallium/auxiliary/util/u_threaded_context.c
+++ b/src/gallium/auxiliary/util/u_threaded_context.c
@@ -2110,7 +2110,7 @@ tc_draw_vbo(struct pipe_context *_pipe, const struct pipe_draw_info *info)
       memcpy(&p->draw, info, sizeof(*info));
       p->draw.has_user_indices = false;
       p->draw.index.resource = buffer;
-      p->draw.start = offset / index_size;
+      p->draw.start = offset >> util_logbase2(index_size);
    } else {
       /* Non-indexed call or indexed with a real index buffer. */
       struct tc_full_draw_info *p = tc_add_draw_vbo(_pipe, indirect != NULL);