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v3d: don't use index_bias if not indexed

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index_bias is undefined if index_size == 0.

Reviewed-by: Jose Maria Casanova Crespo <jmcasanova@igalia.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/7679>
This commit is contained in:
Marek Olšák
2020-11-22 01:45:11 -05:00
parent dca8a71ff0
commit a36d1b1c6e
1 changed files with 2 additions and 2 deletions
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4
src/gallium/drivers/v3d/v3dx_draw.c
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@@ -1264,10 +1264,10 @@ v3d_draw_vbo(struct pipe_context *pctx, const struct pipe_draw_info *info,
/* The Base Vertex/Base Instance packet sets those values to nonzero
* for the next draw call only.
*/
if (info->index_bias || info->start_instance) {
if ((info->index_size && info->index_bias) || info->start_instance) {
cl_emit(&job->bcl, BASE_VERTEX_BASE_INSTANCE, base) {
base.base_instance = info->start_instance;
base.base_vertex = info->index_bias;
base.base_vertex = info->index_size ? info->index_bias : 0;
}
}