// 19
vkCmdCopyBuffer(context.get_function<PFN_vkCmdCopyBuffer>("vkCmdCopyBuffer")),
vkCmdCopyBufferToImage(context.get_function<PFN_vkCmdCopyBufferToImage>("vkCmdCopyBufferToImage")),
// 19
vkCmdCopyBuffer(context.get_function<PFN_vkCmdCopyBuffer>("vkCmdCopyBuffer")),
vkCmdCopyBufferToImage(context.get_function<PFN_vkCmdCopyBufferToImage>("vkCmdCopyBufferToImage")),
// 20
vkCmdBindIndexBuffer(context.get_function<PFN_vkCmdBindIndexBuffer>("vkCmdBindIndexBuffer")),
vkCmdDrawIndexed(context.get_function<PFN_vkCmdDrawIndexed>("vkCmdDrawIndexed")),
// 20
vkCmdBindIndexBuffer(context.get_function<PFN_vkCmdBindIndexBuffer>("vkCmdBindIndexBuffer")),
vkCmdDrawIndexed(context.get_function<PFN_vkCmdDrawIndexed>("vkCmdDrawIndexed")),