Mesa (master): glsl: Refactor out cloning of function prototypes.
Kenneth Graunke
kwg at kemper.freedesktop.org
Tue Nov 30 21:50:38 UTC 2010
Module: Mesa
Branch: master
Commit: 01a25bb64ecae156729794320f9a39733ff8eeaa
URL: http://cgit.freedesktop.org/mesa/mesa/commit/?id=01a25bb64ecae156729794320f9a39733ff8eeaa
Author: Kenneth Graunke <kenneth at whitecape.org>
Date: Thu Nov 11 12:21:27 2010 -0800
glsl: Refactor out cloning of function prototypes.
This allows us to reuse some code and will be useful later.
---
src/glsl/ir.h | 2 ++
src/glsl/ir_clone.cpp | 32 +++++++++++++++++++++-----------
src/glsl/ir_import_prototypes.cpp | 17 +----------------
3 files changed, 24 insertions(+), 27 deletions(-)
diff --git a/src/glsl/ir.h b/src/glsl/ir.h
index 625397a..102a68b 100644
--- a/src/glsl/ir.h
+++ b/src/glsl/ir.h
@@ -376,6 +376,8 @@ public:
virtual ir_function_signature *clone(void *mem_ctx,
struct hash_table *ht) const;
+ ir_function_signature *clone_prototype(void *mem_ctx,
+ struct hash_table *ht) const;
virtual void accept(ir_visitor *v)
{
diff --git a/src/glsl/ir_clone.cpp b/src/glsl/ir_clone.cpp
index 325f606..1522af6 100644
--- a/src/glsl/ir_clone.cpp
+++ b/src/glsl/ir_clone.cpp
@@ -276,13 +276,32 @@ ir_function::clone(void *mem_ctx, struct hash_table *ht) const
ir_function_signature *
ir_function_signature::clone(void *mem_ctx, struct hash_table *ht) const
{
+ ir_function_signature *copy = this->clone_prototype(mem_ctx, ht);
+
+ copy->is_defined = this->is_defined;
+
+ /* Clone the instruction list.
+ */
+ foreach_list_const(node, &this->body) {
+ const ir_instruction *const inst = (const ir_instruction *) node;
+
+ ir_instruction *const inst_copy = inst->clone(mem_ctx, ht);
+ copy->body.push_tail(inst_copy);
+ }
+
+ return copy;
+}
+
+ir_function_signature *
+ir_function_signature::clone_prototype(void *mem_ctx, struct hash_table *ht) const
+{
ir_function_signature *copy =
new(mem_ctx) ir_function_signature(this->return_type);
- copy->is_defined = this->is_defined;
+ copy->is_defined = false;
copy->is_builtin = this->is_builtin;
- /* Clone the parameter list.
+ /* Clone the parameter list, but NOT the body.
*/
foreach_list_const(node, &this->parameters) {
const ir_variable *const param = (const ir_variable *) node;
@@ -293,15 +312,6 @@ ir_function_signature::clone(void *mem_ctx, struct hash_table *ht) const
copy->parameters.push_tail(param_copy);
}
- /* Clone the instruction list.
- */
- foreach_list_const(node, &this->body) {
- const ir_instruction *const inst = (const ir_instruction *) node;
-
- ir_instruction *const inst_copy = inst->clone(mem_ctx, ht);
- copy->body.push_tail(inst_copy);
- }
-
return copy;
}
diff --git a/src/glsl/ir_import_prototypes.cpp b/src/glsl/ir_import_prototypes.cpp
index 2bdc8d9..4e0b30a 100644
--- a/src/glsl/ir_import_prototypes.cpp
+++ b/src/glsl/ir_import_prototypes.cpp
@@ -82,22 +82,7 @@ public:
{
assert(this->function != NULL);
- ir_function_signature *copy =
- new(mem_ctx) ir_function_signature(ir->return_type);
-
- copy->is_defined = false;
- copy->is_builtin = ir->is_builtin;
-
- /* Clone the parameter list, but NOT the body.
- */
- foreach_list_const(node, &ir->parameters) {
- const ir_variable *const param = (const ir_variable *) node;
-
- assert(const_cast<ir_variable *>(param)->as_variable() != NULL);
-
- ir_variable *const param_copy = param->clone(mem_ctx, NULL);
- copy->parameters.push_tail(param_copy);
- }
+ ir_function_signature *copy = ir->clone_prototype(mem_ctx, NULL);
this->function->add_signature(copy);
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