diff --git a/source/blender/imbuf/IMB_rasterizer.hh b/source/blender/imbuf/IMB_rasterizer.hh
index a137631ef9f..9da1fb24eda 100644
--- a/source/blender/imbuf/IMB_rasterizer.hh
+++ b/source/blender/imbuf/IMB_rasterizer.hh
@@ -93,10 +93,11 @@ template<
     typename Data>
 class VertexOutInterface {
  public:
-  using Self = VertexOutInterface<Data>;
+  using DataType = Data;
+  using Self = VertexOutInterface<DataType>;
   /** Coordinate of a vertex inside the image buffer. (0..image_buffer.x, 0..image_buffer.y). */
   float2 coord;
-  Data data;
+  DataType data;
 
   Self &operator+=(const Self &other)
   {
@@ -243,8 +244,10 @@ class Rasterizer {
   using RasterlineType = Rasterline<typename FragmentShader::FragmentInputType>;
   using VertexInputType = typename VertexShader::VertexInputType;
   using VertexOutputType = typename VertexShader::VertexOutputType;
+  using InterfaceData = typename VertexShader::VertexOutputType::DataType;
   using FragmentInputType = typename FragmentShader::FragmentInputType;
   using FragmentOutputType = typename FragmentShader::FragmentOutputType;
+  static_assert(std::is_same_v<InterfaceData, FragmentInputType>);
 
  private:
   VertexShader vertex_shader_;
~