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radeonsi: disable NGG fast launch with indexed triangle strips to fix a hang 

This will be added to our TODO list.

Fixes: aaed7a29be - radeonsi: implement GS fast launch for indexed triangle strips

Acked-by: Pierre-Eric Pelloux-Prayer <pierre-eric.pelloux-prayer@amd.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/8022>
This commit is contained in:
Marek Olšák 2020-12-09 18:22:21 -05:00
parent dffc27e5e1
commit 3b9fb98c4b
1 changed files with 2 additions and 0 deletions
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2
src/gallium/drivers/radeonsi/si_state_draw.cpp
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@ -2228,11 +2228,13 @@ static void si_draw_vbo(struct pipe_context *ctx,
min_direct_count >= 3 && !HAS_TESS && !HAS_GS) {
if (prim == PIPE_PRIM_TRIANGLES && !index_size) {
ngg_culling |= SI_NGG_CULL_GS_FAST_LAUNCH_TRI_LIST;
#if 0 /* It's disabled because this hangs: AMD_DEBUG=nggc torcs */
} else if (prim == PIPE_PRIM_TRIANGLE_STRIP && !primitive_restart) {
ngg_culling |= SI_NGG_CULL_GS_FAST_LAUNCH_TRI_STRIP |
SI_NGG_CULL_GS_FAST_LAUNCH_INDEX_SIZE_PACKED(MIN2(index_size, 3));
/* The index buffer will be emulated. */
index_size = 0;
#endif
}
}