diff --git a/source/blender/gpu/GPU_storage_buffer.h b/source/blender/gpu/GPU_storage_buffer.h
index 1478d490e23..739b0784317 100644
--- a/source/blender/gpu/GPU_storage_buffer.h
+++ b/source/blender/gpu/GPU_storage_buffer.h
@@ -47,6 +47,17 @@ void GPU_storagebuf_clear(GPUStorageBuf *ssbo,
                           void *data);
 void GPU_storagebuf_clear_to_zero(GPUStorageBuf *ssbo);
 
+/**
+ * @brief Copy a part of a vertex buffer to a storage buffer.
+ * \a ssbo: destination storage buffer
+ * \a src: source vertex buffer
+ * \a dst_offset: where to start copying to (in bytes).
+ * \a src_offset: where to start copying from (in bytes).
+ * \a copy_size: byte size of the segment to copy.
+ */
+void GPU_storagebuf_copy_sub_from_vertbuf(
+    GPUStorageBuf *ssbo, GPUVertBuf *src, uint dst_offset, uint src_offset, uint copy_size);
+
 #ifdef __cplusplus
 }
 #endif
diff --git a/source/blender/gpu/intern/gpu_storage_buffer.cc b/source/blender/gpu/intern/gpu_storage_buffer.cc
index 806acad90fe..68020ec66f4 100644
--- a/source/blender/gpu/intern/gpu_storage_buffer.cc
+++ b/source/blender/gpu/intern/gpu_storage_buffer.cc
@@ -19,6 +19,7 @@
 
 #include "GPU_storage_buffer.h"
 #include "gpu_storage_buffer_private.hh"
+#include "gpu_vertex_buffer_private.hh"
 
 /* -------------------------------------------------------------------- */
 /** \name Creation & Deletion
@@ -103,4 +104,10 @@ void GPU_storagebuf_clear_to_zero(GPUStorageBuf *ssbo)
   GPU_storagebuf_clear(ssbo, GPU_R32UI, GPU_DATA_UINT, &data);
 }
 
+void GPU_storagebuf_copy_sub_from_vertbuf(
+    GPUStorageBuf *ssbo, GPUVertBuf *src, uint dst_offset, uint src_offset, uint copy_size)
+{
+  unwrap(ssbo)->copy_sub(unwrap(src), dst_offset, src_offset, copy_size);
+}
+
 /** \} */
diff --git a/source/blender/gpu/intern/gpu_storage_buffer_private.hh b/source/blender/gpu/intern/gpu_storage_buffer_private.hh
index 06e7c2c0e9d..091e6c2d386 100644
--- a/source/blender/gpu/intern/gpu_storage_buffer_private.hh
+++ b/source/blender/gpu/intern/gpu_storage_buffer_private.hh
@@ -43,6 +43,7 @@ class StorageBuf {
   virtual void clear(eGPUTextureFormat internal_format,
                      eGPUDataFormat data_format,
                      void *data) = 0;
+  virtual void copy_sub(VertBuf *src, uint dst_offset, uint src_offset, uint copy_size) = 0;
 };
 
 /* Syntactic sugar. */
diff --git a/source/blender/gpu/opengl/gl_storage_buffer.cc b/source/blender/gpu/opengl/gl_storage_buffer.cc
index 109bb65fcb7..b30674fe5fa 100644
--- a/source/blender/gpu/opengl/gl_storage_buffer.cc
+++ b/source/blender/gpu/opengl/gl_storage_buffer.cc
@@ -144,6 +144,30 @@ void GLStorageBuf::clear(eGPUTextureFormat internal_format, eGPUDataFormat data_
   }
 }
 
+void GLStorageBuf::copy_sub(VertBuf *src_, uint dst_offset, uint src_offset, uint copy_size)
+{
+  GLVertBuf *src = static_cast<GLVertBuf *>(src_);
+  GLStorageBuf *dst = this;
+
+  if (dst->ssbo_id_ == 0) {
+    dst->init();
+  }
+  if (src->vbo_id_ == 0) {
+    src->bind();
+  }
+
+  if (GLContext::direct_state_access_support) {
+    glCopyNamedBufferSubData(src->vbo_id_, dst->ssbo_id_, src_offset, dst_offset, copy_size);
+  }
+  else {
+    /* This binds the buffer to GL_ARRAY_BUFFER and upload the data if any. */
+    src->bind();
+    glBindBuffer(GL_COPY_WRITE_BUFFER, dst->ssbo_id_);
+    glCopyBufferSubData(GL_ARRAY_BUFFER, GL_COPY_WRITE_BUFFER, src_offset, dst_offset, copy_size);
+    glBindBuffer(GL_COPY_WRITE_BUFFER, 0);
+  }
+}
+
 /** \} */
 
 }  // namespace blender::gpu
diff --git a/source/blender/gpu/opengl/gl_storage_buffer.hh b/source/blender/gpu/opengl/gl_storage_buffer.hh
index c808a0bdda1..96052fe0065 100644
--- a/source/blender/gpu/opengl/gl_storage_buffer.hh
+++ b/source/blender/gpu/opengl/gl_storage_buffer.hh
@@ -36,6 +36,7 @@ class GLStorageBuf : public StorageBuf {
   void bind(int slot) override;
   void unbind() override;
   void clear(eGPUTextureFormat internal_format, eGPUDataFormat data_format, void *data) override;
+  void copy_sub(VertBuf *src, uint dst_offset, uint src_offset, uint copy_size) override;
 
   /* Special internal function to bind SSBOs to indirect argument targets. */
   void bind_as(GLenum target);
diff --git a/source/blender/gpu/opengl/gl_vertex_buffer.hh b/source/blender/gpu/opengl/gl_vertex_buffer.hh
index 88d2a455778..e0a21587b60 100644
--- a/source/blender/gpu/opengl/gl_vertex_buffer.hh
+++ b/source/blender/gpu/opengl/gl_vertex_buffer.hh
@@ -19,8 +19,9 @@ namespace blender {
 namespace gpu {
 
 class GLVertBuf : public VertBuf {
-  friend class GLTexture; /* For buffer texture. */
-  friend class GLShader;  /* For transform feedback. */
+  friend class GLTexture;    /* For buffer texture. */
+  friend class GLShader;     /* For transform feedback. */
+  friend class GLStorageBuf; /* For sub copy. */
 
  private:
   /** OpenGL buffer handle. Init on first upload. Immutable after that. */