private void DoResizeBuffer()
{
//clear all command buffer
EventPreResizeBuffer.Invoke();
Utilities.Dispose(ref m_backBuffer);
Utilities.Dispose(ref m_renderTargetView);
Utilities.Dispose(ref m_depthBuffer);
Utilities.Dispose(ref m_depthcStencilView);
Utilities.Dispose(ref m_srvBackBuffer);
//Console.WriteLine($"RSZ w:{m_resizeWidth} h:{m_resizeHeight}");
m_swapchain.ResizeBuffers(m_swapchainDesc.BufferCount, m_resizeWidth, m_resizeHeight, Format.Unknown, SwapChainFlags.None);
m_backBuffer = Texture2D.FromSwapChain <Texture2D>(m_swapchain, 0);
//rtv
m_renderTargetView = new RenderTargetView(m_device, m_backBuffer);
//back buffer srv
m_srvBackBuffer = new ShaderResourceView(m_device, m_backBuffer);
//dsv
m_depthBuffer = new Texture2D(m_device, new Texture2DDescription()
{
Format = Format.D32_Float_S8X24_UInt,
ArraySize = 1,
MipLevels = 1,
Width = m_backBuffer.Description.Width,
Height = m_backBuffer.Description.Height,
SampleDescription = new SampleDescription(1, 0),
Usage = ResourceUsage.Default,
BindFlags = BindFlags.DepthStencil,
CpuAccessFlags = CpuAccessFlags.None,
OptionFlags = ResourceOptionFlags.None
});
m_depthcStencilView = new DepthStencilView(m_device, m_depthBuffer);
m_viewport = new Viewport(0, 0, m_resizeWidth, m_resizeHeight);
m_context.Rasterizer.SetViewport(m_viewport);
m_context.OutputMerger.SetTargets(m_depthcStencilView, m_renderTargetView);
EventPostResizeBuffer.Invoke();
}
protected void onPreResizeBuffer()
{
EventPreResizeBuffer.Invoke();
}
