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nir: Disallow writes to system values and mem_constant

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Reviewed-by: Jesse Natalie <jenatali@microsoft.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/6332>
This commit is contained in:
Jason Ekstrand
2020-10-30 15:03:23 -05:00
committed by Marge Bot
parent bb5d5029b7
commit 89abfbeb7a
2 changed files with 4 additions and 4 deletions
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6
src/compiler/nir/nir_validate.c
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@@ -591,8 +591,7 @@ validate_intrinsic_instr(nir_intrinsic_instr *instr, validate_state *state)
/* Also allow 32-bit boolean store operations */
if (glsl_type_is_boolean(dst->type))
src_bit_sizes[1] |= 32;
validate_assert(state, (dst->mode & (nir_var_shader_in |
nir_var_uniform)) == 0);
validate_assert(state, (dst->mode & nir_var_read_only_modes) == 0);
validate_assert(state, (nir_intrinsic_write_mask(instr) & ~((1 << instr->num_components) - 1)) == 0);
break;
}
@@ -602,8 +601,7 @@ validate_intrinsic_instr(nir_intrinsic_instr *instr, validate_state *state)
nir_deref_instr *src = nir_src_as_deref(instr->src[1]);
validate_assert(state, glsl_get_bare_type(dst->type) ==
glsl_get_bare_type(src->type));
validate_assert(state, (dst->mode & (nir_var_shader_in |
nir_var_uniform)) == 0);
validate_assert(state, (dst->mode & nir_var_read_only_modes) == 0);
break;
}