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radeonsi: fix an out-of-bounds access in si_create_vertex_state

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Fixes: fb8f532ea1 - radeonsi: implement draw_vertex_state for lower display list overhead
Closes: https://gitlab.freedesktop.org/mesa/mesa/-/issues/5484

Reviewed-by: Pierre-Eric Pelloux-Prayer <pierre-eric.pelloux-prayer@amd.com>
Reviewed-by: Dave Airlie <airlied@redhat.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/13309>
This commit is contained in:
Marek Olšák 2021-10-12 09:36:13 -04:00 • committed by Marge Bot
parent c85ce2531e
commit b378d6c5db
1 changed files with 4 additions and 4 deletions
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8
src/gallium/drivers/radeonsi/si_state.c
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@ -5052,11 +5052,11 @@ si_create_vertex_state(struct pipe_screen *screen,
/* Initialize the vertex element state in state->element.
* Do it by creating a vertex element state object and copying it there.
*/
struct pipe_context ctx = {};
ctx.screen = screen;
struct si_vertex_elements *velems = si_create_vertex_elements(&ctx, num_elements, elements);
struct si_context ctx = {};
ctx.b.screen = screen;
struct si_vertex_elements *velems = si_create_vertex_elements(&ctx.b, num_elements, elements);
state->velems = *velems;
si_delete_vertex_element(&ctx, velems);
si_delete_vertex_element(&ctx.b, velems);
assert(!state->velems.instance_divisor_is_one);
assert(!state->velems.instance_divisor_is_fetched);