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glsl: fix crash with variable indexing into array in a struct 

Signed-off-by: Ian Romanick <ian.d.romanick@intel.com>
This commit is contained in:
Aras Pranckevicius 2010-08-25 22:42:13 +03:00 committed by Ian Romanick
parent a1f2ac2b37
commit 5226f8c7b0
1 changed files with 7 additions and 1 deletions
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8
src/glsl/ast_to_hir.cpp
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@ -1259,8 +1259,14 @@ ast_expression::hir(exec_list *instructions,
_mesa_glsl_error(&loc, state, "unsized array index must be constant");
} else {
if (array->type->is_array()) {
/* whole_variable_referenced can return NULL if the array is a
* member of a structure. In this case it is safe to not update
* the max_array_access field because it is never used for fields
* of structures.
*/
ir_variable *v = array->whole_variable_referenced();
v->max_array_access = array->type->array_size();
if (v != NULL)
v->max_array_access = array->type->array_size();
}
}