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gallium/u_vbuf: adjust the heuristic for unrolling indices 

This improves performance in the first subtest of Viewperf11/Catia by 10%.

Acked-by: Pierre-Eric Pelloux-Prayer <pierre-eric.pelloux-prayer@amd.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/merge_requests/3829>
This commit is contained in:
Marek Olšák 2020-01-20 19:57:05 -05:00
parent 55d8baa285
commit cf86f522b2
1 changed files with 2 additions and 2 deletions
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4
src/gallium/auxiliary/util/u_vbuf.c
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@ -1432,8 +1432,8 @@ void u_vbuf_draw_vbo(struct u_vbuf *mgr, const struct pipe_draw_info *info)
* performance. */
if (!info->indirect &&
!new_info.primitive_restart &&
num_vertices > new_info.count*2 &&
num_vertices - new_info.count > 32 &&
num_vertices > new_info.count * 4 &&
new_info.count > 32 &&
!u_vbuf_mapping_vertex_buffer_blocks(mgr)) {
unroll_indices = TRUE;
user_vb_mask &= ~(mgr->nonzero_stride_vb_mask &