/// <summary>
/// Render scene
/// </summary>
public void Render()
{
// record all the commands we need to render the scene into the command list
PopulateCommandLists();
// execute the command list
commandQueue.ExecuteCommandList(commandList);
// swap the back and front buffers
swapChain.Present(1, 0);
indexLastSwapBuf = (indexLastSwapBuf + 1) % SwapBufferCount;
Utilities.Dispose(ref renderTarget);
renderTarget = swapChain.GetBackBuffer<Resource>(indexLastSwapBuf);
device.CreateRenderTargetView(renderTarget, null, descriptorHeap.CPUDescriptorHandleForHeapStart);
// wait and reset EVERYTHING
WaitForPrevFrame();
}
/// <summary>
/// Setup resources for rendering
/// </summary>
private void LoadAssets()
{
// Create the descriptor heap for the render target view
descriptorHeap = device.CreateDescriptorHeap(new DescriptorHeapDescription()
{
Type = DescriptorHeapType.RenderTargetView,
DescriptorCount = 1
});
// Create the main command list
commandList = device.CreateCommandList(CommandListType.Direct, commandListAllocator, null);
// Get the backbuffer and creates the render target view
renderTarget = swapChain.GetBackBuffer<Resource>(0);
device.CreateRenderTargetView(renderTarget, null, descriptorHeap.CPUDescriptorHandleForHeapStart);
// Create the viewport
viewPort = new ViewportF(0, 0, width, height);
// Create the scissor
scissorRectangle = new Rectangle(0, 0, width, height);
// Create a fence to wait for next frame
fence = device.CreateFence(0, FenceFlags.None);
currentFence = 1;
// Close command list
commandList.Close();
// Create an event handle use for VTBL
eventHandle = new AutoResetEvent(false);
// Wait the command list to complete
WaitForPrevFrame();
}
