void Direct3DManager::CreateWindowDependentResources(Vector2 screenSize, HWND windowHandle, bool vsync /*= false*/, bool fullScreen /*= false*/)
{
// Wait until all previous GPU work is complete.
WaitForGPU();
mOutputSize = screenSize;
mUseVsync = vsync; //need to handle if vsync or fullscreen changes
mIsFullScreen = fullScreen;
// The width and height of the swap chain must be based on the window's
// natively-oriented width and height. If the window is not in the native
// orientation, the dimensions must be reversed.
DXGI_MODE_ROTATION displayRotation = ComputeDisplayRotation();
bool swapDimensions = displayRotation == DXGI_MODE_ROTATION_ROTATE90 || displayRotation == DXGI_MODE_ROTATION_ROTATE270;
mOutputSize.X = swapDimensions ? screenSize.Y : screenSize.X;
mOutputSize.Y = swapDimensions ? screenSize.X : screenSize.Y;
if (mSwapChain != NULL)
{
ReleaseSwapChainDependentResources();
// If the swap chain already exists, resize it.
HRESULT hr = mSwapChain->ResizeBuffers(BACK_BUFFER_COUNT, lround(mOutputSize.X), lround(mOutputSize.Y), DXGI_FORMAT_R8G8B8A8_UNORM, 0);
if (hr == DXGI_ERROR_DEVICE_REMOVED || hr == DXGI_ERROR_DEVICE_RESET)
{
// If the device was removed for any reason, a new device and swap chain will need to be created.
mDeviceRemoved = true;
// Do not continue execution of this method. DeviceResources will be destroyed and re-created.
return;
}
else
{
Direct3DUtils::ThrowIfHRESULTFailed(hr);
}
}
else
{
// Otherwise, create a new one using the same adapter as the existing Direct3D device.
IDXGIAdapter* adapter = NULL;
IDXGIOutput* adapterOutput = NULL;
uint32 numDisplayModes = 0;
Direct3DUtils::ThrowIfHRESULTFailed(mDXGIFactory->EnumAdapters(0, &adapter));
Direct3DUtils::ThrowIfHRESULTFailed(adapter->EnumOutputs(0, &adapterOutput));
Direct3DUtils::ThrowIfHRESULTFailed(adapterOutput->GetDisplayModeList(DXGI_FORMAT_R8G8B8A8_UNORM, DXGI_ENUM_MODES_INTERLACED, &numDisplayModes, NULL));
DXGI_MODE_DESC *displayModeList = new DXGI_MODE_DESC[numDisplayModes];
Direct3DUtils::ThrowIfHRESULTFailed(adapterOutput->GetDisplayModeList(DXGI_FORMAT_R8G8B8A8_UNORM, DXGI_ENUM_MODES_INTERLACED, &numDisplayModes, displayModeList));
uint32 numerator = 0;
uint32 denominator = 0;
for (uint32 i = 0; i < numDisplayModes; i++)
{
if (displayModeList[i].Height == (uint32)mOutputSize.X)
{
if (displayModeList[i].Width == (uint32)mOutputSize.Y)
{
numerator = displayModeList[i].RefreshRate.Numerator;
denominator = displayModeList[i].RefreshRate.Denominator;
}
}
}
/*
DXGI_ADAPTER_DESC adapterDesc;
// Get the adapter (video card) description.
result = adapter->GetDesc(&adapterDesc);
if(FAILED(result))
{
return false;
}
// Store the dedicated video card memory in megabytes.
m_videoCardMemory = (int)(adapterDesc.DedicatedVideoMemory / 1024 / 1024);
// Convert the name of the video card to a character array and store it.
error = wcstombs_s(&stringLength, m_videoCardDescription, 128, adapterDesc.Description, 128);
if(error != 0)
{
return false;
}
*/
delete[] displayModeList;
displayModeList = NULL;
adapterOutput->Release();
adapterOutput = NULL;
adapter->Release();
adapter = NULL;
DXGI_SWAP_CHAIN_DESC1 swapChainDesc = {};
ZeroMemory(&swapChainDesc, sizeof(swapChainDesc));
swapChainDesc.Width = lround(mOutputSize.X); // Match the size of the window.
swapChainDesc.Height = lround(mOutputSize.Y);
swapChainDesc.Format = DXGI_FORMAT_R8G8B8A8_UNORM; // This is the most common swap chain format.
swapChainDesc.Stereo = false;
swapChainDesc.SampleDesc.Count = 1; // Don't use multi-sampling.
swapChainDesc.SampleDesc.Quality = 0;
swapChainDesc.BufferUsage = DXGI_USAGE_RENDER_TARGET_OUTPUT;
swapChainDesc.BufferCount = BACK_BUFFER_COUNT; // Use triple-buffering to minimize latency.
swapChainDesc.SwapEffect = DXGI_SWAP_EFFECT_FLIP_DISCARD; // All Windows Universal apps must use _FLIP_ SwapEffects
swapChainDesc.Flags = 0;
swapChainDesc.Scaling = DXGI_SCALING_NONE;
swapChainDesc.AlphaMode = DXGI_ALPHA_MODE_UNSPECIFIED;
DXGI_SWAP_CHAIN_FULLSCREEN_DESC swapChainFullScreenDesc = {};
ZeroMemory(&swapChainFullScreenDesc, sizeof(swapChainFullScreenDesc));
swapChainFullScreenDesc.Windowed = !mIsFullScreen;
swapChainFullScreenDesc.Scaling = DXGI_MODE_SCALING_UNSPECIFIED;
swapChainFullScreenDesc.ScanlineOrdering = DXGI_MODE_SCANLINE_ORDER_UNSPECIFIED;
if (mUseVsync)
{
swapChainFullScreenDesc.RefreshRate.Numerator = numerator;
swapChainFullScreenDesc.RefreshRate.Denominator = denominator;
}
else
{
swapChainFullScreenDesc.RefreshRate.Numerator = 0;
swapChainFullScreenDesc.RefreshRate.Denominator = 1;
}
IDXGISwapChain1 *swapChain = NULL;
Direct3DUtils::ThrowIfHRESULTFailed(
mDXGIFactory->CreateSwapChainForHwnd(
mContextManager->GetQueueManager()->GetGraphicsQueue()->GetCommandQueue(),
windowHandle,
&swapChainDesc,
&swapChainFullScreenDesc,
NULL,
&swapChain
)
);
Direct3DUtils::ThrowIfHRESULTFailed(swapChain->QueryInterface(__uuidof(IDXGISwapChain3), (void**)&mSwapChain));
}
Direct3DUtils::ThrowIfHRESULTFailed(mSwapChain->SetRotation(displayRotation));
BuildSwapChainDependentResources();
// Set the 3D rendering viewport to target the entire window.
mScreenViewport = { 0.0f, 0.0f, mOutputSize.X, mOutputSize.Y, 0.0f, 1.0f };
WaitForGPU();
}
bool Direct3D12Backend::initialize(const BackendParameters& params) {
HRESULT hr;
parameters = params;
if (!initializeDirect3D12()) {
logger.error(LOG_GRAPHICS, "Direct3D12Backend::initialize: Could not load Direct3D12 dynamic library");
return false;
}
IDXGIFactory4* factory;
hr = _CreateDXGIFactory1(IID_PPV_ARGS(&factory));
if (FAILED(hr)) {
logger.error(LOG_GRAPHICS, "Direct3D12Backend::initialize: CreateDXGIFactory1 failed (0x%X)", hr);
return false;
}
#if defined(NUCLEUS_BUILD_DEBUG)
debug.enable();
#endif
hr = _D3D12CreateDevice(nullptr, D3D_FEATURE_LEVEL_11_0, IID_PPV_ARGS(&device));
if (FAILED(hr)) {
logger.warning(LOG_GRAPHICS, "Direct3D12Backend::initialize: Creating WARP device");
factory->EnumWarpAdapter(IID_PPV_ARGS(&adapter));
hr = _D3D12CreateDevice(adapter, D3D_FEATURE_LEVEL_11_0, IID_PPV_ARGS(&device));
if (FAILED(hr)) {
logger.error(LOG_GRAPHICS, "Direct3D12Backend::initialize: D3D12CreateDevice failed (0x%X)", hr);
return false;
}
}
#if defined(NUCLEUS_BUILD_DEBUG)
debug.initialize(device);
#endif
// Create main command queue
D3D12_COMMAND_QUEUE_DESC queueDesc = {};
queueDesc.Flags = D3D12_COMMAND_QUEUE_FLAG_NONE;
queueDesc.Type = D3D12_COMMAND_LIST_TYPE_DIRECT;
hr = device->CreateCommandQueue(&queueDesc, IID_PPV_ARGS(&queue));
if (FAILED(hr)) {
logger.error(LOG_GRAPHICS, "Direct3D12Backend::initialize: Could not create main command queue (0x%X)", hr);
return false;
}
// Create swap chain
IDXGISwapChain1* tempSwapChain;
DXGI_SWAP_CHAIN_DESC1 swapChainDesc = {};
swapChainDesc.Width = params.width;
swapChainDesc.Height = params.height;
swapChainDesc.Format = DXGI_FORMAT_R8G8B8A8_UNORM;
swapChainDesc.Stereo = false;
swapChainDesc.SampleDesc.Count = 1;
swapChainDesc.SampleDesc.Quality = 0;
swapChainDesc.BufferUsage = DXGI_USAGE_RENDER_TARGET_OUTPUT;
swapChainDesc.BufferCount = 2;
swapChainDesc.Scaling = DXGI_SCALING_NONE;
swapChainDesc.SwapEffect = DXGI_SWAP_EFFECT_FLIP_DISCARD;
swapChainDesc.AlphaMode = DXGI_ALPHA_MODE_IGNORE;
swapChainDesc.Flags = 0;
DXGI_SWAP_CHAIN_FULLSCREEN_DESC swapChainFullscreenDesc = {};
swapChainFullscreenDesc.RefreshRate.Numerator = 60;
swapChainFullscreenDesc.RefreshRate.Denominator = 1;
swapChainFullscreenDesc.ScanlineOrdering = DXGI_MODE_SCANLINE_ORDER_UNSPECIFIED;
swapChainFullscreenDesc.Scaling = DXGI_MODE_SCALING_UNSPECIFIED;
swapChainFullscreenDesc.Windowed = TRUE;
#ifdef NUCLEUS_TARGET_UWP
hr = factory->CreateSwapChainForCoreWindow(queue, params.window, &swapChainDesc, nullptr, &tempSwapChain);
#else
hr = factory->CreateSwapChainForHwnd(queue, params.hwnd, &swapChainDesc, &swapChainFullscreenDesc, nullptr, &tempSwapChain);
#endif
if (FAILED(hr)) {
logger.error(LOG_GRAPHICS, "Direct3D12Backend::initialize: Could not create swap chain (0x%X)", hr);
return false;
}
hr = tempSwapChain->QueryInterface(IID_PPV_ARGS(&swapChain));
if (FAILED(hr)) {
logger.error(LOG_GRAPHICS, "Direct3D12Backend::initialize: Could not request a IDXGISwapChain3 swap chain (0x%X)", hr);
return false;
}
// Get render target buffers from swap chain
D3D12_DESCRIPTOR_HEAP_DESC swapChainRTVHeapDesc = {};
swapChainRTVHeapDesc.NumDescriptors = 2;
swapChainRTVHeapDesc.Type = D3D12_DESCRIPTOR_HEAP_TYPE_RTV;
swapChainRTVHeapDesc.Flags = D3D12_DESCRIPTOR_HEAP_FLAG_NONE;
device->CreateDescriptorHeap(&swapChainRTVHeapDesc, IID_PPV_ARGS(&swapChainRTVHeap));
Direct3D12ColorTarget swapChainColorTargets[2];
D3D12_CPU_DESCRIPTOR_HANDLE swapChainRTVHeapStart = swapChainRTVHeap->GetCPUDescriptorHandleForHeapStart();
unsigned int rtvDescriptorSize = device->GetDescriptorHandleIncrementSize(D3D12_DESCRIPTOR_HEAP_TYPE_RTV);
for (UINT i = 0; i < swapChainRTVHeapDesc.NumDescriptors; i++) {
swapChainColorTargets[i].handle.ptr = swapChainRTVHeapStart.ptr + (i * rtvDescriptorSize);
swapChain->GetBuffer(i, IID_PPV_ARGS(&swapChainRenderBuffer[i]));
device->CreateRenderTargetView(swapChainRenderBuffer[i], NULL, swapChainColorTargets[i].handle);
}
if (swapChain->GetCurrentBackBufferIndex() == 0) {
screenBackTarget = new Direct3D12ColorTarget(swapChainColorTargets[0]);
screenFrontTarget = new Direct3D12ColorTarget(swapChainColorTargets[1]);
screenBackBuffer = new Direct3D12Texture(swapChainRenderBuffer[0]);
screenFrontBuffer = new Direct3D12Texture(swapChainRenderBuffer[1]);
} else {
screenBackTarget = new Direct3D12ColorTarget(swapChainColorTargets[1]);
screenFrontTarget = new Direct3D12ColorTarget(swapChainColorTargets[0]);
screenBackBuffer = new Direct3D12Texture(swapChainRenderBuffer[1]);
screenFrontBuffer = new Direct3D12Texture(swapChainRenderBuffer[0]);
}
return true;
}
