if(!self.inst_format.empty())
{
bindings[1].binding = 1;
bindings[1].stride = self.inst_format.stride();
bindings[1].inputRate = VK_VERTEX_INPUT_RATE_INSTANCE;
if(!self.inst_format.empty())
{
bindings[1].binding = 1;
bindings[1].stride = self.inst_format.stride();
bindings[1].inputRate = VK_VERTEX_INPUT_RATE_INSTANCE;