void recordDraw(PrimaryCommandBuffer cmd, FrameBuffer fb)
{
pipeline.RenderPass.Begin(cmd, fb);
cmd.SetViewport(fb.Width, fb.Height);
cmd.SetScissor(fb.Width, fb.Height);
cmd.BindPipeline(pipeline, descriptorSet);
cmd.PushConstant(pipeline, textColor);
cmd.PushConstant(pipeline, outlineColor, 0, 16);
cmd.BindVertexBuffer(vbo, 0);
cmd.BindIndexBuffer(ibo, VkIndexType.Uint16);
cmd.DrawIndexed((uint)ibo.ElementCount, 1, 0, 0, 0);
pipeline.RenderPass.End(cmd);
}