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nir: Check sampler_binding is valid when lowering tex shadow

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Reviewed-by: Jesse Natalie <jenatali@microsoft.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/21247>
This commit is contained in:
Giancarlo Devich 2023-02-10 15:30:09 -08:00 • committed by Marge Bot
parent b2e5484171
commit f9a827d61e
1 changed files with 8 additions and 5 deletions
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13
src/compiler/nir/nir_lower_tex_shadow.c
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@ -118,11 +118,14 @@ nir_lower_tex_shadow_impl(nir_builder *b, nir_instr *instr, void *options)
nir_ssa_def *zero = nir_imm_float(b, 0.0);
nir_ssa_def *lookup[6] = {result, NULL, NULL, NULL, zero, one};
nir_ssa_def *r[4] = {lookup[state->tex_swizzles[sampler_binding].swizzle_r],
lookup[state->tex_swizzles[sampler_binding].swizzle_g],
lookup[state->tex_swizzles[sampler_binding].swizzle_b],
lookup[state->tex_swizzles[sampler_binding].swizzle_a]
};
nir_ssa_def *r[4] = { result, result, result, result };
if (sampler_binding < state->n_states) {
r[0] = lookup[state->tex_swizzles[sampler_binding].swizzle_r];
r[1] = lookup[state->tex_swizzles[sampler_binding].swizzle_g];
r[2] = lookup[state->tex_swizzles[sampler_binding].swizzle_b];
r[3] = lookup[state->tex_swizzles[sampler_binding].swizzle_a];
}
result = nir_vec(b, r, num_components);