glsl: added slang_operation_add_children() and slang_oper_child() helpers

2 files changed, 25 insertions, 0 deletions

diff --git a/src/mesa/shader/slang/slang_compile_operation.c b/src/mesa/shader/slang/slang_compile_operation.c
index e6506168808..310a46b6454 100644
--- a/src/mesa/shader/slang/slang_compile_operation.c
+++ b/src/mesa/shader/slang/slang_compile_operation.c
@@ -272,3 +272,17 @@ _slang_operation_swap(slang_operation *oper0, slang_operation *oper1)
 }
 
 
+void
+slang_operation_add_children(slang_operation *oper, GLuint num_children)
+{
+   GLuint i;
+   assert(oper->num_children == 0);
+   assert(oper->children == NULL);
+   oper->num_children = num_children;
+   oper->children = slang_operation_new(num_children);
+   for (i = 0; i < num_children; i++) {
+      oper->children[i].locals = _slang_variable_scope_new(oper->locals);
+   }
+}
+
+
diff --git a/src/mesa/shader/slang/slang_compile_operation.h b/src/mesa/shader/slang/slang_compile_operation.h
index 37af5d617c9..627356bb567 100644
--- a/src/mesa/shader/slang/slang_compile_operation.h
+++ b/src/mesa/shader/slang/slang_compile_operation.h
@@ -161,4 +161,15 @@ extern void
 _slang_operation_swap(slang_operation *oper0, slang_operation *oper1);
 
 
+extern void
+slang_operation_add_children(slang_operation *oper, GLuint num_children);
+
+static INLINE slang_operation *
+slang_oper_child(slang_operation *oper, GLuint child)
+{
+   assert(child < oper->num_children);
+   return &oper->children[child];
+}
+
+
 #endif /* SLANG_COMPILE_OPERATION_H */