1 files changed, 3 insertions, 0 deletions
diff --git a/source/blender/gpu/intern/gpu_vertex_buffer_private.hh b/source/blender/gpu/intern/gpu_vertex_buffer_private.hh
index 67a09f6f83c..9531c2c1a5f 100644
--- a/source/blender/gpu/intern/gpu_vertex_buffer_private.hh
+++ b/source/blender/gpu/intern/gpu_vertex_buffer_private.hh
@@ -66,6 +66,7 @@ class VertBuf {
   void allocate(uint vert_len);
   void resize(uint vert_len);
   void upload(void);
+  virtual void bind_as_ssbo(uint binding) = 0;
 
   VertBuf *duplicate(void);
 
@@ -96,6 +97,8 @@ class VertBuf {
   }
 
   virtual void update_sub(uint start, uint len, void *data) = 0;
+  virtual const void *read() const = 0;
+  virtual void *unmap(const void *mapped_data) const = 0;
 
  protected:
   virtual void acquire_data(void) = 0;