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ir_constant_expression: Add support for array == and !=.

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Piglit parser tests const-array-03.frag and const-array-04.frag now
generate the correct code.
This commit is contained in:
Kenneth Graunke
2010-07-20 03:08:32 -07:00
parent a096fa7476
commit 9a6d40fbfb
2 changed files with 24 additions and 4 deletions
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17
src/glsl/ir_constant_expression.cpp
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@@ -73,6 +73,22 @@ ir_expression::constant_expression_value()
components = op[1]->type->components();
}
void *ctx = talloc_parent(this);
/* Handle array operations here, rather than below. */
if (op[0]->type->is_array()) {
assert(op[1] != NULL && op[1]->type->is_array());
switch (this->operation) {
case ir_binop_equal:
return new(ctx) ir_constant(op[0]->has_value(op[1]));
case ir_binop_nequal:
return new(ctx) ir_constant(!op[0]->has_value(op[1]));
default:
break;
}
return NULL;
}
switch (this->operation) {
case ir_unop_logic_not:
assert(op[0]->type->base_type == GLSL_TYPE_BOOL);
@@ -616,7 +632,6 @@ ir_expression::constant_expression_value()
return NULL;
}
void *ctx = talloc_parent(this);
return new(ctx) ir_constant(this->type, &data);
}