nir: add glsl_get_std140_base_alignment() helper

This will be used by the nir glsl linker for linking uniforms.

Reviewed-by: Alejandro Piñeiro <[email protected]>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/4050>

2 files changed, 8 insertions, 0 deletions

diff --git a/src/compiler/nir_types.cpp b/src/compiler/nir_types.cpp
index 432c65a7cdd..74a5a8d769a 100644
--- a/src/compiler/nir_types.cpp
+++ b/src/compiler/nir_types.cpp
@@ -780,6 +780,12 @@ glsl_get_internal_ifc_packing(const struct glsl_type *type,
 }
 
 unsigned
+glsl_get_std140_base_alignment(const struct glsl_type *type, bool row_major)
+{
+   return type->std140_base_alignment(row_major);
+}
+
+unsigned
 glsl_get_explicit_size(const struct glsl_type *type, bool align_to_stride)
 {
    return type->explicit_size(align_to_stride);
diff --git a/src/compiler/nir_types.h b/src/compiler/nir_types.h
index 877edda6389..e3a7ebcdaea 100644
--- a/src/compiler/nir_types.h
+++ b/src/compiler/nir_types.h
@@ -56,6 +56,8 @@ const enum glsl_interface_packing
 glsl_get_internal_ifc_packing(const struct glsl_type *type,
                               bool std430_supported);
 
+unsigned glsl_get_std140_base_alignment(const struct glsl_type *type,
+                                        bool row_major);
 unsigned glsl_get_explicit_stride(const struct glsl_type *type);
 const struct glsl_type *glsl_get_array_element(const struct glsl_type *type);
 const struct glsl_type *glsl_without_array(const struct glsl_type *type);