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-rw-r--r--src/mesa/shader/prog_parameter.c33
-rw-r--r--src/mesa/shader/prog_parameter.h10
2 files changed, 43 insertions, 0 deletions
diff --git a/src/mesa/shader/prog_parameter.c b/src/mesa/shader/prog_parameter.c
index b4008abbd95..bb964274b95 100644
--- a/src/mesa/shader/prog_parameter.c
+++ b/src/mesa/shader/prog_parameter.c
@@ -608,6 +608,39 @@ _mesa_clone_parameter_list(const struct gl_program_parameter_list *list)
/**
+ * Return a new parameter list which is listA + listB.
+ */
+struct gl_program_parameter_list *
+_mesa_combine_parameter_lists(const struct gl_program_parameter_list *listA,
+ const struct gl_program_parameter_list *listB)
+{
+ struct gl_program_parameter_list *list;
+
+ if (listA) {
+ list = _mesa_clone_parameter_list(listA);
+ if (list && listB) {
+ GLuint i;
+ for (i = 0; i < listB->NumParameters; i++) {
+ struct gl_program_parameter *param = listB->Parameters + i;
+ _mesa_add_parameter(list, param->Type, param->Name, param->Size,
+ param->DataType,
+ listB->ParameterValues[i],
+ param->StateIndexes);
+ }
+ }
+ }
+ else if (listB) {
+ list = _mesa_clone_parameter_list(listB);
+ }
+ else {
+ list = NULL;
+ }
+ return list;
+}
+
+
+
+/**
* Find longest name of all uniform parameters in list.
*/
GLuint
diff --git a/src/mesa/shader/prog_parameter.h b/src/mesa/shader/prog_parameter.h
index 40c8c09e09b..d6cc03448c8 100644
--- a/src/mesa/shader/prog_parameter.h
+++ b/src/mesa/shader/prog_parameter.h
@@ -78,6 +78,16 @@ _mesa_free_parameter_list(struct gl_program_parameter_list *paramList);
extern struct gl_program_parameter_list *
_mesa_clone_parameter_list(const struct gl_program_parameter_list *list);
+extern struct gl_program_parameter_list *
+_mesa_combine_parameter_lists(const struct gl_program_parameter_list *a,
+ const struct gl_program_parameter_list *b);
+
+static INLINE GLuint
+_mesa_num_parameters(const struct gl_program_parameter_list *list)
+{
+ return list ? list->NumParameters : 0;
+}
+
extern GLint
_mesa_add_parameter(struct gl_program_parameter_list *paramList,
enum register_file type, const char *name,