Mine

                                                                                                                                                if     (This->strided.u.s.position.dwStride) stride = This->strided.u.s.position.dwStride;                                                  else if(This->strided.u.s.specular.dwStride) stride = This->strided.u.s.specular.dwStride;                                                  else if(This->strided.u.s.diffuse.dwStride)  stride = This->strided.u.s.diffuse.dwStride;                                                   else {                                                                                                                                          /* That means that there is nothing to fixup. Just upload from This->resource.allocatedMemory                                                * directly into the vbo. Do not free the system memory copy because drawPrimitive may need it if                                            * the stride is 0, for instancing emulation, vertex blending emulation or shader emulation.                                                 */                                                                                                                                         TRACE("No conversion needed, locking directly into the VBO in future\n");                                                                                                                                                                                                               ENTER_GL();                                                                                                                                 if(!device->isInDraw) {                                                                                                                         ActivateContext(device, device->lastActiveRenderTarget, CTXUSAGE_RESOURCELOAD);                                                         }                                                                                                                                           GL_EXTCALL(glBindBufferARB(GL_ARRAY_BUFFER_ARB, This->vbo));                                                                                checkGLcall("glBindBufferARB");                                                                                                                                                                                                                                                         int i;                                                                                                                                      for (i = 0; i != This->resource.size; i++)                                                                                                      ERR("%i ", This->resource.allocatedMemory[i]);                                                                                          ERR("\n");                                                                                                                                                                                                                                                                      //      GL_EXTCALL(glBufferSubDataARB(GL_ARRAY_BUFFER_ARB, 0, This->resource.size, This->resource.allocatedMemory));                                ERR("%i - %i - %i - %i\n",start, end, This->resource.size, This->resource.allocatedMemory);                                                 GL_EXTCALL(glBufferSubDataARB(GL_ARRAY_BUFFER_ARB, start, end-start, This->resource.allocatedMemory + start));                              checkGLcall("glBufferSubDataARB");                                                                                                          LEAVE_GL();                                                                                                                                 return;                                                                                                                                 }                                                                                                                                                                                                                                                                                       /* OK, we have the original data from the app, the description of the buffer and the dirty area.                                             * so convert the stuff                                                                                                                      */                                                                                                                                         data = HeapAlloc(GetProcessHeap(), 0, end-start);