nir/types: add a helper to transpose a matrix type

diff --git a/src/glsl/nir/nir_types.cpp b/src/glsl/nir/nir_types.cpp
index 3542150..d44d480 100644 (file)
--- a/src/glsl/nir/nir_types.cpp
+++ b/src/glsl/nir/nir_types.cpp
@@ -270,3 +270,10 @@ glsl_function_type(const glsl_type *return_type,
 {
    return glsl_type::get_function_instance(return_type, params, num_params);
 }
+
+const glsl_type *
+glsl_transposed_type(const struct glsl_type *type)
+{
+   return glsl_type::get_instance(type->base_type, type->matrix_columns,
+                                  type->vector_elements);
+}

diff --git a/src/glsl/nir/nir_types.h b/src/glsl/nir/nir_types.h
index ceb131c..60e1d9d 100644 (file)
--- a/src/glsl/nir/nir_types.h
+++ b/src/glsl/nir/nir_types.h
@@ -103,6 +103,8 @@ const struct glsl_type * glsl_function_type(const struct glsl_type *return_type,
                                             const struct glsl_function_param *params,
                                             unsigned num_params);
 
+const struct glsl_type *glsl_transposed_type(const struct glsl_type *type);
+
 #ifdef __cplusplus
 }
 #endif