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glsl: add AoA support for an inteface with unsized array members

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Add support for setting the max access of an unsized member
of an interface array of arrays.

For example ifc[j][k].foo[i] where foo is unsized.

Reviewed-by: Ian Romanick <ian.d.romanick@intel.com>
This commit is contained in:
Timothy Arceri 2015-07-19 14:08:44 +10:00
parent d1d05c0f85
commit 132b9e9dd9
1 changed files with 12 additions and 4 deletions
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16
src/glsl/ast_array_index.cpp
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@ -61,21 +61,29 @@ update_max_array_access(ir_rvalue *ir, int idx, YYLTYPE *loc,
}
} else if (ir_dereference_record *deref_record =
ir->as_dereference_record()) {
/* There are two possibilities we need to consider:
/* There are three possibilities we need to consider:
*
* - Accessing an element of an array that is a member of a named
* interface block (e.g. ifc.foo[i])
*
* - Accessing an element of an array that is a member of a named
* interface block array (e.g. ifc[j].foo[i]).
*
* - Accessing an element of an array that is a member of a named
* interface block array of arrays (e.g. ifc[j][k].foo[i]).
*/
ir_dereference_variable *deref_var =
deref_record->record->as_dereference_variable();
if (deref_var == NULL) {
if (ir_dereference_array *deref_array =
deref_record->record->as_dereference_array()) {
deref_var = deref_array->array->as_dereference_variable();
ir_dereference_array *deref_array =
deref_record->record->as_dereference_array();
ir_dereference_array *deref_array_prev = NULL;
while (deref_array != NULL) {
deref_array_prev = deref_array;
deref_array = deref_array->array->as_dereference_array();
}
if (deref_array_prev != NULL)
deref_var = deref_array_prev->array->as_dereference_variable();
}
if (deref_var != NULL) {