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radeonsi: check sctx->tess_rings is valid before using it

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Fixes: c89ca3b47f ("radeonsi: change si_emit_derived_tess_state into a state atom")
Closes: https://gitlab.freedesktop.org/mesa/mesa/-/issues/10015

Reviewed-by: Marek Olšák <marek.olsak@amd.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/26190>
This commit is contained in:
Pierre-Eric Pelloux-Prayer
2023-11-14 13:41:47 +01:00
committed by Marge Bot
parent b6e98677c3
commit 945288ffae
1 changed files with 10 additions and 2 deletions
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src/gallium/drivers/radeonsi/si_state_shaders.cpp
+10 -2
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@@ -4396,8 +4396,16 @@ static void si_set_patch_vertices(struct pipe_context *ctx, uint8_t patch_vertic
if (sctx->patch_vertices != patch_vertices) {
sctx->patch_vertices = patch_vertices;
si_update_tess_in_out_patch_vertices(sctx);
if (sctx->shader.tcs.current)
si_update_tess_io_layout_state(sctx);
if (sctx->shader.tcs.current) {
/* Update the io layout now if possible,
* otherwise make sure it's done by si_update_shaders.
*/
if (sctx->tess_rings)
si_update_tess_io_layout_state(sctx);
else
sctx->do_update_shaders = true;
}
}
}