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-rw-r--r--src/glsl/ir.h161
1 files changed, 52 insertions, 109 deletions
diff --git a/src/glsl/ir.h b/src/glsl/ir.h
index 585c31c2db6..2afafe4b5c7 100644
--- a/src/glsl/ir.h
+++ b/src/glsl/ir.h
@@ -117,24 +117,58 @@ public:
* Additional downcast functions will be added as needed.
*/
/*@{*/
- virtual class ir_variable * as_variable() { return NULL; }
- virtual class ir_function * as_function() { return NULL; }
- virtual class ir_dereference * as_dereference() { return NULL; }
- virtual class ir_dereference_array * as_dereference_array() { return NULL; }
- virtual class ir_dereference_variable *as_dereference_variable() { return NULL; }
- virtual class ir_dereference_record *as_dereference_record() { return NULL; }
- virtual class ir_expression * as_expression() { return NULL; }
- virtual class ir_rvalue * as_rvalue() { return NULL; }
- virtual class ir_loop * as_loop() { return NULL; }
- virtual class ir_assignment * as_assignment() { return NULL; }
- virtual class ir_call * as_call() { return NULL; }
- virtual class ir_return * as_return() { return NULL; }
- virtual class ir_if * as_if() { return NULL; }
- virtual class ir_swizzle * as_swizzle() { return NULL; }
- virtual class ir_texture * as_texture() { return NULL; }
- virtual class ir_constant * as_constant() { return NULL; }
- virtual class ir_discard * as_discard() { return NULL; }
- virtual class ir_jump * as_jump() { return NULL; }
+ class ir_rvalue *as_rvalue()
+ {
+ if (ir_type == ir_type_dereference_array ||
+ ir_type == ir_type_dereference_record ||
+ ir_type == ir_type_dereference_variable ||
+ ir_type == ir_type_constant ||
+ ir_type == ir_type_expression ||
+ ir_type == ir_type_swizzle ||
+ ir_type == ir_type_texture)
+ return (class ir_rvalue *) this;
+ return NULL;
+ }
+
+ class ir_dereference *as_dereference()
+ {
+ if (ir_type == ir_type_dereference_array ||
+ ir_type == ir_type_dereference_record ||
+ ir_type == ir_type_dereference_variable)
+ return (class ir_dereference *) this;
+ return NULL;
+ }
+
+ class ir_jump *as_jump()
+ {
+ if (ir_type == ir_type_loop_jump ||
+ ir_type == ir_type_return ||
+ ir_type == ir_type_discard)
+ return (class ir_jump *) this;
+ return NULL;
+ }
+
+ #define AS_CHILD(TYPE) \
+ class ir_##TYPE * as_##TYPE() \
+ { \
+ return ir_type == ir_type_##TYPE ? (ir_##TYPE *) this : NULL; \
+ }
+ AS_CHILD(variable)
+ AS_CHILD(function)
+ AS_CHILD(dereference_array)
+ AS_CHILD(dereference_variable)
+ AS_CHILD(dereference_record)
+ AS_CHILD(expression)
+ AS_CHILD(loop)
+ AS_CHILD(assignment)
+ AS_CHILD(call)
+ AS_CHILD(return)
+ AS_CHILD(if)
+ AS_CHILD(swizzle)
+ AS_CHILD(texture)
+ AS_CHILD(constant)
+ AS_CHILD(discard)
+ #undef AS_CHILD
/*@}*/
/**
@@ -179,11 +213,6 @@ public:
virtual ir_constant *constant_expression_value(struct hash_table *variable_context = NULL);
- virtual ir_rvalue * as_rvalue()
- {
- return this;
- }
-
ir_rvalue *as_rvalue_to_saturate();
virtual bool is_lvalue() const
@@ -384,11 +413,6 @@ public:
virtual ir_variable *clone(void *mem_ctx, struct hash_table *ht) const;
- virtual ir_variable *as_variable()
- {
- return this;
- }
-
virtual void accept(ir_visitor *v)
{
v->visit(this);
@@ -919,11 +943,6 @@ public:
virtual ir_function *clone(void *mem_ctx, struct hash_table *ht) const;
- virtual ir_function *as_function()
- {
- return this;
- }
-
virtual void accept(ir_visitor *v)
{
v->visit(this);
@@ -992,11 +1011,6 @@ public:
virtual ir_if *clone(void *mem_ctx, struct hash_table *ht) const;
- virtual ir_if *as_if()
- {
- return this;
- }
-
virtual void accept(ir_visitor *v)
{
v->visit(this);
@@ -1028,11 +1042,6 @@ public:
virtual ir_visitor_status accept(ir_hierarchical_visitor *);
- virtual ir_loop *as_loop()
- {
- return this;
- }
-
/** List of ir_instruction that make up the body of the loop. */
exec_list body_instructions;
};
@@ -1063,11 +1072,6 @@ public:
virtual ir_visitor_status accept(ir_hierarchical_visitor *);
- virtual ir_assignment * as_assignment()
- {
- return this;
- }
-
/**
* Get a whole variable written by an assignment
*
@@ -1431,11 +1435,6 @@ public:
*/
ir_expression(int op, ir_rvalue *op0, ir_rvalue *op1, ir_rvalue *op2);
- virtual ir_expression *as_expression()
- {
- return this;
- }
-
virtual bool equals(ir_instruction *ir, enum ir_node_type ignore = ir_type_unset);
virtual ir_expression *clone(void *mem_ctx, struct hash_table *ht) const;
@@ -1526,11 +1525,6 @@ public:
virtual ir_constant *constant_expression_value(struct hash_table *variable_context = NULL);
- virtual ir_call *as_call()
- {
- return this;
- }
-
virtual void accept(ir_visitor *v)
{
v->visit(this);
@@ -1583,12 +1577,6 @@ protected:
: ir_instruction(t)
{
}
-
-public:
- virtual ir_jump *as_jump()
- {
- return this;
- }
};
class ir_return : public ir_jump {
@@ -1605,11 +1593,6 @@ public:
virtual ir_return *clone(void *mem_ctx, struct hash_table *) const;
- virtual ir_return *as_return()
- {
- return this;
- }
-
ir_rvalue *get_value() const
{
return value;
@@ -1696,11 +1679,6 @@ public:
virtual ir_visitor_status accept(ir_hierarchical_visitor *);
- virtual ir_discard *as_discard()
- {
- return this;
- }
-
ir_rvalue *condition;
};
/*@}*/
@@ -1766,11 +1744,6 @@ public:
v->visit(this);
}
- virtual ir_texture *as_texture()
- {
- return this;
- }
-
virtual ir_visitor_status accept(ir_hierarchical_visitor *);
virtual bool equals(ir_instruction *ir, enum ir_node_type ignore = ir_type_unset);
@@ -1862,11 +1835,6 @@ public:
virtual ir_constant *constant_expression_value(struct hash_table *variable_context = NULL);
- virtual ir_swizzle *as_swizzle()
- {
- return this;
- }
-
/**
* Construct an ir_swizzle from the textual representation. Can fail.
*/
@@ -1908,11 +1876,6 @@ class ir_dereference : public ir_rvalue {
public:
virtual ir_dereference *clone(void *mem_ctx, struct hash_table *) const = 0;
- virtual ir_dereference *as_dereference()
- {
- return this;
- }
-
bool is_lvalue() const;
/**
@@ -1937,11 +1900,6 @@ public:
virtual ir_constant *constant_expression_value(struct hash_table *variable_context = NULL);
- virtual ir_dereference_variable *as_dereference_variable()
- {
- return this;
- }
-
virtual bool equals(ir_instruction *ir, enum ir_node_type ignore = ir_type_unset);
/**
@@ -1988,11 +1946,6 @@ public:
virtual ir_constant *constant_expression_value(struct hash_table *variable_context = NULL);
- virtual ir_dereference_array *as_dereference_array()
- {
- return this;
- }
-
virtual bool equals(ir_instruction *ir, enum ir_node_type ignore = ir_type_unset);
/**
@@ -2029,11 +1982,6 @@ public:
virtual ir_constant *constant_expression_value(struct hash_table *variable_context = NULL);
- virtual ir_dereference_record *as_dereference_record()
- {
- return this;
- }
-
/**
* Get the variable that is ultimately referenced by an r-value
*/
@@ -2099,11 +2047,6 @@ public:
virtual ir_constant *constant_expression_value(struct hash_table *variable_context = NULL);
- virtual ir_constant *as_constant()
- {
- return this;
- }
-
virtual void accept(ir_visitor *v)
{
v->visit(this);