void recordDraw(CommandBuffer cmd, Framebuffer fb)
{
cmd.BeginRegion("models", 0.5f, 1f, 0f);
pipeline.RenderPass.Begin(cmd, fb);
cmd.SetViewport(fb.Width, fb.Height);
cmd.SetScissor(fb.Width, fb.Height);
cmd.BindDescriptorSet(pipeline.Layout, dsMats);
pipeline.Bind(cmd);
model.Bind(cmd);
model.DrawAll(cmd, pipeline.Layout);
cmd.EndRegion();
cmd.BeginRegion("vkvg", 0.5f, 1f, 0f);
uiPipeline.Bind(cmd);
timestampQPool.Start(cmd);
vkvgImage.SetLayout(cmd, VkImageAspectFlags.Color, VkImageLayout.ColorAttachmentOptimal, VkImageLayout.ShaderReadOnlyOptimal,
VkPipelineStageFlags.ColorAttachmentOutput, VkPipelineStageFlags.FragmentShader);
cmd.Draw(3, 1, 0, 0);
vkvgImage.SetLayout(cmd, VkImageAspectFlags.Color, VkImageLayout.ShaderReadOnlyOptimal, VkImageLayout.ColorAttachmentOptimal,
VkPipelineStageFlags.FragmentShader, VkPipelineStageFlags.BottomOfPipe);
timestampQPool.End(cmd);
pipeline.RenderPass.End(cmd);
cmd.EndRegion();
}