1 files changed, 11 insertions, 1 deletions
diff --git a/source/blender/gpu/intern/gpu_vertex_buffer_private.hh b/source/blender/gpu/intern/gpu_vertex_buffer_private.hh
index 7a0b53cf958..f20f6caf6de 100644
--- a/source/blender/gpu/intern/gpu_vertex_buffer_private.hh
+++ b/source/blender/gpu/intern/gpu_vertex_buffer_private.hh
@@ -29,7 +29,12 @@ class VertBuf {
   /** Status flag. */
   GPUVertBufStatus flag = GPU_VERTBUF_INVALID;
   /** NULL indicates data in VRAM (unmapped) */
-  uchar *data = NULL;
+  uchar *data = nullptr;
+
+#ifndef NDEBUG
+  /** Usage including extended usage flags. */
+  GPUUsageType extended_usage_ = GPU_USAGE_STATIC;
+#endif
 
  protected:
   /** Usage hint for GL optimization. */
@@ -83,6 +88,11 @@ class VertBuf {
     }
   }
 
+  GPUUsageType get_usage_type() const
+  {
+    return usage_;
+  }
+
   virtual void update_sub(uint start, uint len, const void *data) = 0;
   virtual const void *read() const = 0;
   virtual void *unmap(const void *mapped_data) const = 0;