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-rw-r--r--src/glsl/ir.h35
1 files changed, 20 insertions, 15 deletions
diff --git a/src/glsl/ir.h b/src/glsl/ir.h
index 1faae3c7259..811eac08878 100644
--- a/src/glsl/ir.h
+++ b/src/glsl/ir.h
@@ -132,11 +132,21 @@ protected:
};
+/**
+ * The base class for all "values"/expression trees.
+ */
class ir_rvalue : public ir_instruction {
public:
- virtual ir_rvalue *clone(void *mem_ctx, struct hash_table *) const = 0;
+ virtual ir_rvalue *clone(void *mem_ctx, struct hash_table *) const;
- virtual ir_constant *constant_expression_value() = 0;
+ virtual void accept(ir_visitor *v)
+ {
+ v->visit(this);
+ }
+
+ virtual ir_visitor_status accept(ir_hierarchical_visitor *);
+
+ virtual ir_constant *constant_expression_value();
virtual ir_rvalue * as_rvalue()
{
@@ -209,6 +219,14 @@ public:
*/
virtual bool is_negative_one() const;
+
+ /**
+ * Return a generic value of error_type.
+ *
+ * Allocation will be performed with 'mem_ctx' as ralloc owner.
+ */
+ static ir_rvalue *error_value(void *mem_ctx);
+
protected:
ir_rvalue();
};
@@ -1030,13 +1048,6 @@ public:
virtual ir_visitor_status accept(ir_hierarchical_visitor *);
/**
- * Get a generic ir_call object when an error occurs
- *
- * Any allocation will be performed with 'ctx' as ralloc owner.
- */
- static ir_call *get_error_instruction(void *ctx);
-
- /**
* Get an iterator for the set of acutal parameters
*/
exec_list_iterator iterator()
@@ -1078,12 +1089,6 @@ public:
bool use_builtin;
private:
- ir_call()
- : callee(NULL)
- {
- this->ir_type = ir_type_call;
- }
-
ir_function_signature *callee;
};