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glsl2: Extend ir_constant to store constant arrays, and generate them.

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Since GLSL permits arrays of structures, we need to store each element
as an ir_constant*, not just ir_constant_data.

Fixes parser tests const-array-01.frag, const-array-03.frag,
const-array-04.frag, const-array-05.frag, though 03 and 04 generate the
wrong code.
This commit is contained in:
Kenneth Graunke
2010-07-20 01:06:33 -07:00
parent 13a19745d4
commit 74e1802f5d
4 changed files with 40 additions and 5 deletions
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23
src/glsl/ir.cpp
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@@ -253,9 +253,20 @@ ir_constant::ir_constant(const struct glsl_type *type, exec_list *value_list)
this->ir_type = ir_type_constant;
this->type = type;
/* FINISHME: Support array types. */
assert(type->is_scalar() || type->is_vector() || type->is_matrix()
|| type->is_record());
|| type->is_record() || type->is_array());
if (type->is_array()) {
this->array_elements = talloc_array(this, ir_constant *, type->length);
unsigned i = 0;
foreach_list(node, value_list) {
ir_constant *value = (ir_constant *) node;
assert(value->as_constant() != NULL);
this->array_elements[i++] = value;
}
return;
}
/* If the constant is a record, the types of each of the entries in
* value_list must be a 1-for-1 match with the structure components. Each
@@ -378,6 +389,14 @@ ir_constant::get_uint_component(unsigned i) const
return 0;
}
ir_constant *
ir_constant::get_array_element(unsigned i) const
{
assert(this->type->is_array());
assert(i < this->type->length);
return array_elements[i];
}
ir_constant *
ir_constant::get_record_field(const char *name)