/// <summary>
/// Called when [render].
/// </summary>
/// <param name="context">The context.</param>
/// <param name="deviceContext">The device context.</param>
protected override void OnRender(RenderContext context, DeviceContextProxy deviceContext)
{
perFrameCB.UploadDataToBuffer(deviceContext, ref FrameVariables);
// Clear binding
updatePass.ComputeShader.BindUAV(deviceContext, currentStateSlot, null);
updatePass.ComputeShader.BindUAV(deviceContext, newStateSlot, null);
// Render existing particles
renderPass.BindShader(deviceContext);
renderPass.BindStates(deviceContext, StateType.RasterState | StateType.DepthStencilState);
renderPass.VertexShader.BindTexture(deviceContext, renderStateSlot, BufferProxies[0]);
renderPass.PixelShader.BindTexture(deviceContext, textureSlot, textureView);
renderPass.PixelShader.BindSampler(deviceContext, samplerSlot, textureSampler);
deviceContext.InputLayout = VertexLayout;
int firstSlot = 0;
InstanceBuffer?.AttachBuffer(deviceContext, ref firstSlot);
deviceContext.SetBlendState(blendState, blendFactor, sampleMask);
deviceContext.DrawInstancedIndirect(particleCountGSIABuffer.Buffer, 0);
InvalidateRenderer();//Since particle is running all the time. Invalidate once finished rendering
}