protected override void DestroyWindowSizeDependentResources()
{
DestroyResourceViews();
DestroySwapChain();
void DestroySwapChain()
{
var swapChain = _swapChain;
if (swapChain != null)
{
_swapChain = null;
_ = swapChain->Release();
}
}
}
private void CoreInitialize(
DeviceManager manager,
ID3D12Device *device,
IDXGISwapChain3 *swapChain,
GraphicalConfiguration config,
ScreenData screenData
)
{
_resourceCount = config.BufferCount;
_resourceIndex = swapChain->GetCurrentBackBufferIndex();
_allocator = manager.Allocator;
CreateRtvAndDsvResources(swapChain, config, screenData);
CreateRtvAndDsvDescriptorHeaps(device, config);
CreateRtvAndDsvViews(device, config);
}
internal static void Initialize(
DeviceManager manager,
ID3D12Device *device,
IDXGISwapChain3 *swapChain,
GraphicalConfiguration config,
ScreenData screenData
)
{
// TODO could probably use CAS/System.Threading.LazyInitializer
lock (Lock)
{
Debug.Assert(!_initialized);
_initialized = true;
Value.CoreInitialize(manager, device, swapChain, config, screenData);
}
}
protected override void Dispose(bool isDisposing)
{
var swapChain = _swapChain;
if (swapChain != null)
{
_swapChain = null;
_ = swapChain->Release();
}
var device = _device;
if (device != null)
{
_device = null;
_ = device->Release();
}
for (var index = 0; index < FrameCount; index++)
{
var renderTarget = _renderTargets[index];
if (renderTarget != null)
{
_renderTargets[index] = null;
_ = renderTarget->Release();
}
}
var commandAllocator = _commandAllocator;
if (commandAllocator != null)
{
_commandAllocator = null;
_ = commandAllocator->Release();
}
var bundleAllocator = _bundleAllocator;
if (bundleAllocator != null)
{
_bundleAllocator = null;
_ = bundleAllocator->Release();
}
var commandQueue = _commandQueue;
if (commandQueue != null)
{
_commandQueue = null;
_ = commandQueue->Release();
}
var rootSignature = _rootSignature;
if (rootSignature != null)
{
_rootSignature = null;
_ = rootSignature->Release();
}
var rtvHeap = _rtvHeap;
if (rtvHeap != null)
{
_rtvHeap = null;
_ = rtvHeap->Release();
}
var pipelineState = _pipelineState;
if (pipelineState != null)
{
_pipelineState = null;
_ = pipelineState->Release();
}
var commandList = _commandList;
if (commandList != null)
{
_commandList = null;
_ = commandList->Release();
}
var bundle = _bundle;
if (bundle != null)
{
_bundle = null;
_ = bundle->Release();
}
var vertexBuffer = _vertexBuffer;
if (vertexBuffer != null)
{
_vertexBuffer = null;
_ = vertexBuffer->Release();
}
var fence = _fence;
if (fence != null)
{
_fence = null;
_ = fence->Release();
}
base.Dispose(isDisposing);
}
protected override void CreateWindowSizeDependentResources()
{
// Wait until all previous GPU work is complete.
WaitForGpu(moveToNextFrame: false);
// Clear the previous window size specific content and update the tracked fence values.
for (var i = 0u; i < FrameCount; i++)
{
_renderTargets[i] = null;
_fenceValues[i] = _fenceValues[FrameIndex];
}
if (_swapChain != null)
{
ThrowIfFailed(nameof(IDXGISwapChain3.ResizeBuffers), _swapChain->ResizeBuffers(FrameCount, (uint)Size.Width, (uint)Size.Height, BackBufferFormat, 0));
}
else
{
_swapChain = CreateSwapChain();
}
CreateResourceViews();
_viewport = new D3D12_VIEWPORT {
TopLeftX = 0,
TopLeftY = 0,
Width = Size.Width,
Height = Size.Height,
MinDepth = D3D12_MIN_DEPTH,
MaxDepth = D3D12_MAX_DEPTH
};
_scissorRect = new RECT {
left = 0,
top = 0,
right = Size.Width,
bottom = Size.Height
};
IDXGISwapChain3 *CreateSwapChain()
{
using ComPtr <IDXGISwapChain1> swapChain = null;
var swapChainDesc = new DXGI_SWAP_CHAIN_DESC1 {
BufferCount = FrameCount,
Width = (uint)Size.Width,
Height = (uint)Size.Height,
Format = BackBufferFormat,
BufferUsage = DXGI_USAGE_RENDER_TARGET_OUTPUT,
SwapEffect = DXGI_SWAP_EFFECT_FLIP_DISCARD,
SampleDesc = new DXGI_SAMPLE_DESC(count: 1, quality: 0),
};
ThrowIfFailed(nameof(IDXGIFactory4.CreateSwapChainForHwnd), DxgiFactory->CreateSwapChainForHwnd(
(IUnknown *)_commandQueue, // Swap chain needs the queue so that it can force a flush on it.
Hwnd,
&swapChainDesc,
pFullscreenDesc: null,
pRestrictToOutput: null,
swapChain.GetAddressOf()
));
IDXGISwapChain3 *swapChain3;
var iid = IID_IDXGISwapChain3;
ThrowIfFailed(nameof(IDXGISwapChain1.QueryInterface), swapChain.Get()->QueryInterface(&iid, (void **)&swapChain3));
return(swapChain3);
}
}
private void CreateRtvAndDsvResources(
IDXGISwapChain3 *swapChain,
GraphicalConfiguration config,
in ScreenData screenData
