ir_rvalue *val;
};
+/** Automatic generator for ir_dereference_variable on assignment LHS.
+ *
+ * \sa operand
+ */
+class deref {
+public:
+ deref(ir_dereference *val)
+ : val(val)
+ {
+ }
+
+ deref(ir_variable *var)
+ {
+ void *mem_ctx = ralloc_parent(var);
+ val = new(mem_ctx) ir_dereference_variable(var);
+ }
+
+
+ ir_dereference *val;
+};
+
class ir_factory {
public:
void emit(ir_instruction *ir);
+ ir_variable *make_temp(const glsl_type *type, const char *name);
exec_list *instructions;
void *mem_ctx;
};
+ir_assignment *assign(deref lhs, operand rhs);
+ir_assignment *assign(deref lhs, operand rhs, int writemask);
+
+ir_expression *expr(ir_expression_operation op, operand a);
ir_expression *expr(ir_expression_operation op, operand a, operand b);
ir_expression *add(operand a, operand b);
ir_expression *sub(operand a, operand b);
ir_expression *dot(operand a, operand b);
ir_expression *saturate(operand a);
+/**
+ * Swizzle away later components, but preserve the ordering.
+ */
+ir_swizzle *swizzle_for_size(operand a, unsigned components);
+
ir_swizzle *swizzle_xxxx(operand a);
ir_swizzle *swizzle_yyyy(operand a);
ir_swizzle *swizzle_zzzz(operand a);