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-rw-r--r--src/glsl/ir_hierarchical_visitor.cpp158
-rw-r--r--src/glsl/ir_hierarchical_visitor.h29
-rw-r--r--src/glsl/ir_validate.cpp12
3 files changed, 126 insertions, 73 deletions
diff --git a/src/glsl/ir_hierarchical_visitor.cpp b/src/glsl/ir_hierarchical_visitor.cpp
index d3c00ecdb76..adb629414a2 100644
--- a/src/glsl/ir_hierarchical_visitor.cpp
+++ b/src/glsl/ir_hierarchical_visitor.cpp
@@ -27,16 +27,18 @@
ir_hierarchical_visitor::ir_hierarchical_visitor()
{
this->base_ir = NULL;
- this->callback = NULL;
- this->data = NULL;
+ this->callback_enter = NULL;
+ this->callback_leave = NULL;
+ this->data_enter = NULL;
+ this->data_leave = NULL;
this->in_assignee = false;
}
ir_visitor_status
ir_hierarchical_visitor::visit(ir_rvalue *ir)
{
- if (this->callback != NULL)
- this->callback(ir, this->data);
+ if (this->callback_enter != NULL)
+ this->callback_enter(ir, this->data_enter);
return visit_continue;
}
@@ -44,8 +46,8 @@ ir_hierarchical_visitor::visit(ir_rvalue *ir)
ir_visitor_status
ir_hierarchical_visitor::visit(ir_variable *ir)
{
- if (this->callback != NULL)
- this->callback(ir, this->data);
+ if (this->callback_enter != NULL)
+ this->callback_enter(ir, this->data_enter);
return visit_continue;
}
@@ -53,8 +55,8 @@ ir_hierarchical_visitor::visit(ir_variable *ir)
ir_visitor_status
ir_hierarchical_visitor::visit(ir_constant *ir)
{
- if (this->callback != NULL)
- this->callback(ir, this->data);
+ if (this->callback_enter != NULL)
+ this->callback_enter(ir, this->data_enter);
return visit_continue;
}
@@ -62,8 +64,8 @@ ir_hierarchical_visitor::visit(ir_constant *ir)
ir_visitor_status
ir_hierarchical_visitor::visit(ir_loop_jump *ir)
{
- if (this->callback != NULL)
- this->callback(ir, this->data);
+ if (this->callback_enter != NULL)
+ this->callback_enter(ir, this->data_enter);
return visit_continue;
}
@@ -71,8 +73,8 @@ ir_hierarchical_visitor::visit(ir_loop_jump *ir)
ir_visitor_status
ir_hierarchical_visitor::visit(ir_dereference_variable *ir)
{
- if (this->callback != NULL)
- this->callback(ir, this->data);
+ if (this->callback_enter != NULL)
+ this->callback_enter(ir, this->data_enter);
return visit_continue;
}
@@ -80,8 +82,8 @@ ir_hierarchical_visitor::visit(ir_dereference_variable *ir)
ir_visitor_status
ir_hierarchical_visitor::visit_enter(ir_loop *ir)
{
- if (this->callback != NULL)
- this->callback(ir, this->data);
+ if (this->callback_enter != NULL)
+ this->callback_enter(ir, this->data_enter);
return visit_continue;
}
@@ -89,15 +91,17 @@ ir_hierarchical_visitor::visit_enter(ir_loop *ir)
ir_visitor_status
ir_hierarchical_visitor::visit_leave(ir_loop *ir)
{
- (void) ir;
+ if (this->callback_leave != NULL)
+ this->callback_leave(ir, this->data_leave);
+
return visit_continue;
}
ir_visitor_status
ir_hierarchical_visitor::visit_enter(ir_function_signature *ir)
{
- if (this->callback != NULL)
- this->callback(ir, this->data);
+ if (this->callback_enter != NULL)
+ this->callback_enter(ir, this->data_enter);
return visit_continue;
}
@@ -105,15 +109,17 @@ ir_hierarchical_visitor::visit_enter(ir_function_signature *ir)
ir_visitor_status
ir_hierarchical_visitor::visit_leave(ir_function_signature *ir)
{
- (void) ir;
+ if (this->callback_leave != NULL)
+ this->callback_leave(ir, this->data_leave);
+
return visit_continue;
}
ir_visitor_status
ir_hierarchical_visitor::visit_enter(ir_function *ir)
{
- if (this->callback != NULL)
- this->callback(ir, this->data);
+ if (this->callback_enter != NULL)
+ this->callback_enter(ir, this->data_enter);
return visit_continue;
}
@@ -121,15 +127,17 @@ ir_hierarchical_visitor::visit_enter(ir_function *ir)
ir_visitor_status
ir_hierarchical_visitor::visit_leave(ir_function *ir)
{
- (void) ir;
+ if (this->callback_leave != NULL)
+ this->callback_leave(ir, this->data_leave);
+
return visit_continue;
}
ir_visitor_status
ir_hierarchical_visitor::visit_enter(ir_expression *ir)
{
- if (this->callback != NULL)
- this->callback(ir, this->data);
+ if (this->callback_enter != NULL)
+ this->callback_enter(ir, this->data_enter);
return visit_continue;
}
@@ -137,15 +145,17 @@ ir_hierarchical_visitor::visit_enter(ir_expression *ir)
ir_visitor_status
ir_hierarchical_visitor::visit_leave(ir_expression *ir)
{
- (void) ir;
+ if (this->callback_leave != NULL)
+ this->callback_leave(ir, this->data_leave);
+
return visit_continue;
}
ir_visitor_status
ir_hierarchical_visitor::visit_enter(ir_texture *ir)
{
- if (this->callback != NULL)
- this->callback(ir, this->data);
+ if (this->callback_enter != NULL)
+ this->callback_enter(ir, this->data_enter);
return visit_continue;
}
@@ -153,15 +163,17 @@ ir_hierarchical_visitor::visit_enter(ir_texture *ir)
ir_visitor_status
ir_hierarchical_visitor::visit_leave(ir_texture *ir)
{
- (void) ir;
+ if (this->callback_leave != NULL)
+ this->callback_leave(ir, this->data_leave);
+
return visit_continue;
}
ir_visitor_status
ir_hierarchical_visitor::visit_enter(ir_swizzle *ir)
{
- if (this->callback != NULL)
- this->callback(ir, this->data);
+ if (this->callback_enter != NULL)
+ this->callback_enter(ir, this->data_enter);
return visit_continue;
}
@@ -169,15 +181,17 @@ ir_hierarchical_visitor::visit_enter(ir_swizzle *ir)
ir_visitor_status
ir_hierarchical_visitor::visit_leave(ir_swizzle *ir)
{
- (void) ir;
+ if (this->callback_leave != NULL)
+ this->callback_leave(ir, this->data_leave);
+
return visit_continue;
}
ir_visitor_status
ir_hierarchical_visitor::visit_enter(ir_dereference_array *ir)
{
- if (this->callback != NULL)
- this->callback(ir, this->data);
+ if (this->callback_enter != NULL)
+ this->callback_enter(ir, this->data_enter);
return visit_continue;
}
@@ -185,15 +199,17 @@ ir_hierarchical_visitor::visit_enter(ir_dereference_array *ir)
ir_visitor_status
ir_hierarchical_visitor::visit_leave(ir_dereference_array *ir)
{
- (void) ir;
+ if (this->callback_leave != NULL)
+ this->callback_leave(ir, this->data_leave);
+
return visit_continue;
}
ir_visitor_status
ir_hierarchical_visitor::visit_enter(ir_dereference_record *ir)
{
- if (this->callback != NULL)
- this->callback(ir, this->data);
+ if (this->callback_enter != NULL)
+ this->callback_enter(ir, this->data_enter);
return visit_continue;
}
@@ -201,15 +217,17 @@ ir_hierarchical_visitor::visit_enter(ir_dereference_record *ir)
ir_visitor_status
ir_hierarchical_visitor::visit_leave(ir_dereference_record *ir)
{
- (void) ir;
+ if (this->callback_leave != NULL)
+ this->callback_leave(ir, this->data_leave);
+
return visit_continue;
}
ir_visitor_status
ir_hierarchical_visitor::visit_enter(ir_assignment *ir)
{
- if (this->callback != NULL)
- this->callback(ir, this->data);
+ if (this->callback_enter != NULL)
+ this->callback_enter(ir, this->data_enter);
return visit_continue;
}
@@ -217,15 +235,17 @@ ir_hierarchical_visitor::visit_enter(ir_assignment *ir)
ir_visitor_status
ir_hierarchical_visitor::visit_leave(ir_assignment *ir)
{
- (void) ir;
+ if (this->callback_leave != NULL)
+ this->callback_leave(ir, this->data_leave);
+
return visit_continue;
}
ir_visitor_status
ir_hierarchical_visitor::visit_enter(ir_call *ir)
{
- if (this->callback != NULL)
- this->callback(ir, this->data);
+ if (this->callback_enter != NULL)
+ this->callback_enter(ir, this->data_enter);
return visit_continue;
}
@@ -233,15 +253,17 @@ ir_hierarchical_visitor::visit_enter(ir_call *ir)
ir_visitor_status
ir_hierarchical_visitor::visit_leave(ir_call *ir)
{
- (void) ir;
+ if (this->callback_leave != NULL)
+ this->callback_leave(ir, this->data_leave);
+
return visit_continue;
}
ir_visitor_status
ir_hierarchical_visitor::visit_enter(ir_return *ir)
{
- if (this->callback != NULL)
- this->callback(ir, this->data);
+ if (this->callback_enter != NULL)
+ this->callback_enter(ir, this->data_enter);
return visit_continue;
}
@@ -249,15 +271,17 @@ ir_hierarchical_visitor::visit_enter(ir_return *ir)
ir_visitor_status
ir_hierarchical_visitor::visit_leave(ir_return *ir)
{
- (void) ir;
+ if (this->callback_leave != NULL)
+ this->callback_leave(ir, this->data_leave);
+
return visit_continue;
}
ir_visitor_status
ir_hierarchical_visitor::visit_enter(ir_discard *ir)
{
- if (this->callback != NULL)
- this->callback(ir, this->data);
+ if (this->callback_enter != NULL)
+ this->callback_enter(ir, this->data_enter);
return visit_continue;
}
@@ -265,15 +289,17 @@ ir_hierarchical_visitor::visit_enter(ir_discard *ir)
ir_visitor_status
ir_hierarchical_visitor::visit_leave(ir_discard *ir)
{
- (void) ir;
+ if (this->callback_leave != NULL)
+ this->callback_leave(ir, this->data_leave);
+
return visit_continue;
}
ir_visitor_status
ir_hierarchical_visitor::visit_enter(ir_if *ir)
{
- if (this->callback != NULL)
- this->callback(ir, this->data);
+ if (this->callback_enter != NULL)
+ this->callback_enter(ir, this->data_enter);
return visit_continue;
}
@@ -281,15 +307,17 @@ ir_hierarchical_visitor::visit_enter(ir_if *ir)
ir_visitor_status
ir_hierarchical_visitor::visit_leave(ir_if *ir)
{
- (void) ir;
+ if (this->callback_leave != NULL)
+ this->callback_leave(ir, this->data_leave);
+
return visit_continue;
}
ir_visitor_status
ir_hierarchical_visitor::visit_enter(ir_emit_vertex *ir)
{
- if (this->callback != NULL)
- this->callback(ir, this->data);
+ if (this->callback_enter != NULL)
+ this->callback_enter(ir, this->data_enter);
return visit_continue;
}
@@ -297,15 +325,17 @@ ir_hierarchical_visitor::visit_enter(ir_emit_vertex *ir)
ir_visitor_status
ir_hierarchical_visitor::visit_leave(ir_emit_vertex *ir)
{
- (void) ir;
+ if (this->callback_leave != NULL)
+ this->callback_leave(ir, this->data_leave);
+
return visit_continue;
}
ir_visitor_status
ir_hierarchical_visitor::visit_enter(ir_end_primitive *ir)
{
- if (this->callback != NULL)
- this->callback(ir, this->data);
+ if (this->callback_enter != NULL)
+ this->callback_enter(ir, this->data_enter);
return visit_continue;
}
@@ -313,7 +343,9 @@ ir_hierarchical_visitor::visit_enter(ir_end_primitive *ir)
ir_visitor_status
ir_hierarchical_visitor::visit_leave(ir_end_primitive *ir)
{
- (void) ir;
+ if (this->callback_leave != NULL)
+ this->callback_leave(ir, this->data_leave);
+
return visit_continue;
}
@@ -326,13 +358,17 @@ ir_hierarchical_visitor::run(exec_list *instructions)
void
visit_tree(ir_instruction *ir,
- void (*callback)(class ir_instruction *ir, void *data),
- void *data)
+ void (*callback_enter)(class ir_instruction *ir, void *data),
+ void *data_enter,
+ void (*callback_leave)(class ir_instruction *ir, void *data),
+ void *data_leave)
{
ir_hierarchical_visitor v;
- v.callback = callback;
- v.data = data;
+ v.callback_enter = callback_enter;
+ v.callback_leave = callback_leave;
+ v.data_enter = data_enter;
+ v.data_leave = data_leave;
ir->accept(&v);
}
diff --git a/src/glsl/ir_hierarchical_visitor.h b/src/glsl/ir_hierarchical_visitor.h
index bc89a04d8c9..faa52fd79c0 100644
--- a/src/glsl/ir_hierarchical_visitor.h
+++ b/src/glsl/ir_hierarchical_visitor.h
@@ -163,14 +163,29 @@ public:
* \warning
* Visitor classes derived from \c ir_hierarchical_visitor \b may \b not
* invoke this function. This can be used, for example, to cause the
- * callback to be invoked on every node type execpt one.
+ * callback to be invoked on every node type except one.
*/
- void (*callback)(class ir_instruction *ir, void *data);
+ void (*callback_enter)(class ir_instruction *ir, void *data);
/**
- * Extra data parameter passed to the per-node callback function
+ * Callback function that is invoked on exit of each node visited.
+ *
+ * \warning
+ * Visitor classes derived from \c ir_hierarchical_visitor \b may \b not
+ * invoke this function. This can be used, for example, to cause the
+ * callback to be invoked on every node type except one.
+ */
+ void (*callback_leave)(class ir_instruction *ir, void *data);
+
+ /**
+ * Extra data parameter passed to the per-node callback_enter function
+ */
+ void *data_enter;
+
+ /**
+ * Extra data parameter passed to the per-node callback_leave function
*/
- void *data;
+ void *data_leave;
/**
* Currently in the LHS of an assignment?
@@ -181,8 +196,10 @@ public:
};
void visit_tree(ir_instruction *ir,
- void (*callback)(class ir_instruction *ir, void *data),
- void *data);
+ void (*callback_enter)(class ir_instruction *ir, void *data),
+ void *data_enter,
+ void (*callback_leave)(class ir_instruction *ir, void *data) = NULL,
+ void *data_leave = NULL);
ir_visitor_status visit_list_elements(ir_hierarchical_visitor *v, exec_list *l,
bool statement_list = true);
diff --git a/src/glsl/ir_validate.cpp b/src/glsl/ir_validate.cpp
index 42142da02d1..37e1ce33e7a 100644
--- a/src/glsl/ir_validate.cpp
+++ b/src/glsl/ir_validate.cpp
@@ -49,8 +49,8 @@ public:
this->current_function = NULL;
- this->callback = ir_validate::validate_ir;
- this->data = ht;
+ this->callback_enter = ir_validate::validate_ir;
+ this->data_enter = ht;
}
~ir_validate()
@@ -100,7 +100,7 @@ ir_validate::visit(ir_dereference_variable *ir)
abort();
}
- this->validate_ir(ir, this->data);
+ this->validate_ir(ir, this->data_enter);
return visit_continue;
}
@@ -167,7 +167,7 @@ ir_validate::visit_enter(ir_function *ir)
*/
this->current_function = ir;
- this->validate_ir(ir, this->data);
+ this->validate_ir(ir, this->data_enter);
/* Verify that all of the things stored in the list of signatures are,
* in fact, function signatures.
@@ -211,7 +211,7 @@ ir_validate::visit_enter(ir_function_signature *ir)
abort();
}
- this->validate_ir(ir, this->data);
+ this->validate_ir(ir, this->data_enter);
return visit_continue;
}
@@ -726,7 +726,7 @@ ir_validate::visit_enter(ir_assignment *ir)
}
}
- this->validate_ir(ir, this->data);
+ this->validate_ir(ir, this->data_enter);
return visit_continue;
}