bool D3DManager::Initialize(int screenWidth, int screenHeight, bool vsync, HWND hwnd, bool fullscreen,
float screenDepth, float screenNear)
{
HRESULT result;
IDXGIFactory* factory;
IDXGIAdapter* adapter;
IDXGIOutput* adapterOutput;
unsigned int numModes, i, numerator, denominator;
unsigned int stringLength;
DXGI_MODE_DESC* displayModeList;
DXGI_ADAPTER_DESC adapterDesc;
int error;
DXGI_SWAP_CHAIN_DESC swapChainDesc;
D3D_FEATURE_LEVEL featureLevel;
Microsoft::WRL::ComPtr<ID3D11Texture2D> backBufferPtr;
D3D11_TEXTURE2D_DESC depthBufferDesc;
D3D11_DEPTH_STENCIL_DESC depthStencilDesc;
D3D11_DEPTH_STENCIL_VIEW_DESC depthStencilViewDesc;
D3D11_RASTERIZER_DESC rasterDesc;
float fieldOfView, screenAspect;
D3D11_DEPTH_STENCIL_DESC depthDisabledStencilDesc;
D3D11_BLEND_DESC blendStateDesc;
// Store the vsync setting.
m_vsync_enabled = vsync;
// Create a DirectX graphics interface factory.
result = CreateDXGIFactory(__uuidof(IDXGIFactory), (void**)&factory);
if (FAILED(result))
{
return false;
}
// Use the factory to create an adapter for the primary graphics interface (video card).
result = factory->EnumAdapters(0, &adapter);
if (FAILED(result))
{
return false;
}
// Enumerate the primary adapter output (monitor).
result = adapter->EnumOutputs(0, &adapterOutput);
if (FAILED(result))
{
return false;
}
// Get the number of modes that fit the DXGI_FORMAT_R8G8B8A8_UNORM display format for the adapter output (monitor).
result = adapterOutput->GetDisplayModeList(DXGI_FORMAT_R8G8B8A8_UNORM, DXGI_ENUM_MODES_INTERLACED, &numModes, NULL);
if (FAILED(result))
{
return false;
}
// Create a list to hold all the possible display modes for this monitor/video card combination.
displayModeList = new DXGI_MODE_DESC[numModes];
if (!displayModeList)
{
return false;
}
// Now fill the display mode list structures.
result = adapterOutput->GetDisplayModeList(DXGI_FORMAT_R8G8B8A8_UNORM, DXGI_ENUM_MODES_INTERLACED, &numModes, displayModeList);
if (FAILED(result))
{
return false;
}
// Now go through all the display modes and find the one that matches the screen width and height.
// When a match is found store the numerator and denominator of the refresh rate for that monitor.
for (i = 0; i < numModes; i++)
{
if (displayModeList[i].Width == (unsigned int)screenWidth)
{
if (displayModeList[i].Height == (unsigned int)screenHeight)
{
numerator = displayModeList[i].RefreshRate.Numerator;
denominator = displayModeList[i].RefreshRate.Denominator;
}
}
}
// 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;
}
// Release the display mode list.
delete[] displayModeList;
displayModeList = 0;
// Release the adapter output.
adapterOutput->Release();
adapterOutput = 0;
// Release the adapter.
adapter->Release();
adapter = 0;
// Release the factory.
factory->Release();
factory = 0;
// Initialize the swap chain description.
ZeroMemory(&swapChainDesc, sizeof(swapChainDesc));
// Set to a single back buffer.
swapChainDesc.BufferCount = 1;
// Set the width and height of the back buffer.
swapChainDesc.BufferDesc.Width = screenWidth;
swapChainDesc.BufferDesc.Height = screenHeight;
// Set regular 32-bit surface for the back buffer.
swapChainDesc.BufferDesc.Format = DXGI_FORMAT_R8G8B8A8_UNORM;
// Set the refresh rate of the back buffer.
if (m_vsync_enabled)
{
swapChainDesc.BufferDesc.RefreshRate.Numerator = numerator;
swapChainDesc.BufferDesc.RefreshRate.Denominator = denominator;
}
else
{
swapChainDesc.BufferDesc.RefreshRate.Numerator = 0;
swapChainDesc.BufferDesc.RefreshRate.Denominator = 1;
}
// Set the usage of the back buffer.
swapChainDesc.BufferUsage = DXGI_USAGE_RENDER_TARGET_OUTPUT;
// Set the handle for the window to render to.
swapChainDesc.OutputWindow = hwnd;
// Turn multi-sampling off.
swapChainDesc.SampleDesc.Count = 1;
swapChainDesc.SampleDesc.Quality = 0;
// Set to full screen or windowed mode.
if (fullscreen)
{
swapChainDesc.Windowed = false;
}
else
{
swapChainDesc.Windowed = true;
}
// Set the scan line ordering and scaling to unspecified.
swapChainDesc.BufferDesc.ScanlineOrdering = DXGI_MODE_SCANLINE_ORDER_UNSPECIFIED;
swapChainDesc.BufferDesc.Scaling = DXGI_MODE_SCALING_UNSPECIFIED;
// Discard the back buffer contents after presenting.
swapChainDesc.SwapEffect = DXGI_SWAP_EFFECT_DISCARD;
// Don't set the advanced flags.
swapChainDesc.Flags = 0;
// Set the feature level to DirectX 11.
featureLevel = D3D_FEATURE_LEVEL_11_0;
// Create the swap chain, Direct3D device, and Direct3D device context.
result = D3D11CreateDeviceAndSwapChain(NULL, D3D_DRIVER_TYPE_HARDWARE, NULL, 0, &featureLevel, 1,
D3D11_SDK_VERSION, &swapChainDesc, &m_pSwapChain, &m_device, NULL, &m_deviceContext);
if (FAILED(result))
{
return false;
}
// Get the pointer to the back buffer.
result = m_pSwapChain->GetBuffer(0, __uuidof(ID3D11Texture2D), (LPVOID*)&backBufferPtr);
if (FAILED(result))
{
return false;
}
// Create the render target view with the back buffer pointer.
result = m_device->CreateRenderTargetView(backBufferPtr.Get(), NULL, &m_renderTargetView);
if (FAILED(result))
{
return false;
}
// Release pointer to the back buffer as we no longer need it.
backBufferPtr.Reset();
backBufferPtr = nullptr;
// Initialize the description of the depth buffer.
ZeroMemory(&depthBufferDesc, sizeof(depthBufferDesc));
// Set up the description of the depth buffer.
depthBufferDesc.Width = screenWidth;
depthBufferDesc.Height = screenHeight;
depthBufferDesc.MipLevels = 1;
depthBufferDesc.ArraySize = 1;
depthBufferDesc.Format = DXGI_FORMAT_D24_UNORM_S8_UINT;
depthBufferDesc.SampleDesc.Count = 1;
depthBufferDesc.SampleDesc.Quality = 0;
depthBufferDesc.Usage = D3D11_USAGE_DEFAULT;
depthBufferDesc.BindFlags = D3D11_BIND_DEPTH_STENCIL;
depthBufferDesc.CPUAccessFlags = 0;
depthBufferDesc.MiscFlags = 0;
// Create the texture for the depth buffer using the filled out description.
result = m_device->CreateTexture2D(&depthBufferDesc, NULL, &m_depthStencilBuffer);
if (FAILED(result))
{
return false;
}
// Initialize the description of the stencil state.
ZeroMemory(&depthStencilDesc, sizeof(depthStencilDesc));
// Set up the description of the stencil state.
depthStencilDesc.DepthEnable = true;
depthStencilDesc.DepthWriteMask = D3D11_DEPTH_WRITE_MASK_ALL;
depthStencilDesc.DepthFunc = D3D11_COMPARISON_LESS;
depthStencilDesc.StencilEnable = true;
depthStencilDesc.StencilReadMask = 0xFF;
depthStencilDesc.StencilWriteMask = 0xFF;
// Stencil operations if pixel is front-facing.
depthStencilDesc.FrontFace.StencilFailOp = D3D11_STENCIL_OP_KEEP;
depthStencilDesc.FrontFace.StencilDepthFailOp = D3D11_STENCIL_OP_INCR;
depthStencilDesc.FrontFace.StencilPassOp = D3D11_STENCIL_OP_KEEP;
depthStencilDesc.FrontFace.StencilFunc = D3D11_COMPARISON_ALWAYS;
// Stencil operations if pixel is back-facing.
depthStencilDesc.BackFace.StencilFailOp = D3D11_STENCIL_OP_KEEP;
depthStencilDesc.BackFace.StencilDepthFailOp = D3D11_STENCIL_OP_DECR;
depthStencilDesc.BackFace.StencilPassOp = D3D11_STENCIL_OP_KEEP;
depthStencilDesc.BackFace.StencilFunc = D3D11_COMPARISON_ALWAYS;
// Create the depth stencil state.
result = m_device->CreateDepthStencilState(&depthStencilDesc, &m_depthStencilState);
if (FAILED(result))
{
return false;
}
// Set the depth stencil state.
m_deviceContext->OMSetDepthStencilState(m_depthStencilState, 1);
// Initialize the depth stencil view.
ZeroMemory(&depthStencilViewDesc, sizeof(depthStencilViewDesc));
// Set up the depth stencil view description.
depthStencilViewDesc.Format = DXGI_FORMAT_D24_UNORM_S8_UINT;
depthStencilViewDesc.ViewDimension = D3D11_DSV_DIMENSION_TEXTURE2D;
depthStencilViewDesc.Texture2D.MipSlice = 0;
// Create the depth stencil view.
result = m_device->CreateDepthStencilView(m_depthStencilBuffer, &depthStencilViewDesc, &m_depthStencilView);
if (FAILED(result))
{
return false;
}
// Bind the render target view and depth stencil buffer to the output render pipeline.
m_deviceContext->OMSetRenderTargets(1, &m_renderTargetView, m_depthStencilView);
// Setup the raster description which will determine how and what polygons will be drawn.
rasterDesc.AntialiasedLineEnable = false;
rasterDesc.CullMode = D3D11_CULL_BACK;
rasterDesc.DepthBias = 0;
rasterDesc.DepthBiasClamp = 0.0f;
rasterDesc.DepthClipEnable = true;
rasterDesc.FillMode = D3D11_FILL_SOLID;
rasterDesc.FrontCounterClockwise = false;
rasterDesc.MultisampleEnable = false;
rasterDesc.ScissorEnable = false;
rasterDesc.SlopeScaledDepthBias = 0.0f;
// Create the rasterizer state from the description we just filled out.
result = m_device->CreateRasterizerState(&rasterDesc, &m_rasterState);
if (FAILED(result))
{
return false;
}
// Now set the rasterizer state.
m_deviceContext->RSSetState(m_rasterState);
rasterDesc.CullMode = D3D11_CULL_NONE;
result = m_device->CreateRasterizerState(&rasterDesc, &m_rasterStateNoCulling);
if (FAILED(result))
{
return false;
}
// Setup a raster description which enables wire frame rendering.
rasterDesc.AntialiasedLineEnable = false;
rasterDesc.CullMode = D3D11_CULL_BACK;
rasterDesc.DepthBias = 0;
rasterDesc.DepthBiasClamp = 0.0f;
rasterDesc.DepthClipEnable = true;
rasterDesc.FillMode = D3D11_FILL_WIREFRAME;
rasterDesc.FrontCounterClockwise = false;
rasterDesc.MultisampleEnable = false;
rasterDesc.ScissorEnable = false;
rasterDesc.SlopeScaledDepthBias = 0.0f;
// Create the wire frame rasterizer state.
result = m_device->CreateRasterizerState(&rasterDesc, &m_rasterStateWireframe);
if (FAILED(result))
{
return false;
}
// Setup the viewport for rendering.
m_viewport.Width = (float)screenWidth;
m_viewport.Height = (float)screenHeight;
m_viewport.MinDepth = 0.0f;
m_viewport.MaxDepth = 1.0f;
m_viewport.TopLeftX = 0.0f;
m_viewport.TopLeftY = 0.0f;
// Create the viewport.
m_deviceContext->RSSetViewports(1, &m_viewport);
// Setup the projection matrix.
fieldOfView = 3.141592654f / 4.0f;
screenAspect = (float)screenWidth / (float)screenHeight;
// Create the projection matrix for 3D rendering.
m_projectionMatrix = DirectX::XMMatrixPerspectiveFovLH(fieldOfView, screenAspect, screenNear, screenDepth);
// Initialize the world matrix to the identity matrix.
m_worldMatrix = DirectX::XMMatrixIdentity();
// Create an orthographic projection matrix for 2D rendering.
m_orthoMatrix = DirectX::XMMatrixOrthographicLH((float)screenWidth, (float)screenHeight, screenNear, screenDepth);
// Set up the description of the stencil state.
depthDisabledStencilDesc.DepthEnable = false;
depthDisabledStencilDesc.DepthWriteMask = D3D11_DEPTH_WRITE_MASK_ALL;
depthDisabledStencilDesc.DepthFunc = D3D11_COMPARISON_LESS;
depthDisabledStencilDesc.StencilEnable = true;
depthDisabledStencilDesc.StencilReadMask = 0xFF;
depthDisabledStencilDesc.StencilWriteMask = 0xFF;
// Stencil operations if pixel is front-facing.
depthDisabledStencilDesc.FrontFace.StencilFailOp = D3D11_STENCIL_OP_KEEP;
depthDisabledStencilDesc.FrontFace.StencilDepthFailOp = D3D11_STENCIL_OP_INCR;
depthDisabledStencilDesc.FrontFace.StencilPassOp = D3D11_STENCIL_OP_KEEP;
depthDisabledStencilDesc.FrontFace.StencilFunc = D3D11_COMPARISON_ALWAYS;
// Stencil operations if pixel is back-facing.
depthDisabledStencilDesc.BackFace.StencilFailOp = D3D11_STENCIL_OP_KEEP;
depthDisabledStencilDesc.BackFace.StencilDepthFailOp = D3D11_STENCIL_OP_DECR;
depthDisabledStencilDesc.BackFace.StencilPassOp = D3D11_STENCIL_OP_KEEP;
depthDisabledStencilDesc.BackFace.StencilFunc = D3D11_COMPARISON_ALWAYS;
// Create the state using the device.
result = m_device->CreateDepthStencilState(&depthDisabledStencilDesc, &m_depthDisabledStencilState);
if (FAILED(result))
{
return false;
}
// Clear the blend state description.
ZeroMemory(&blendStateDesc, sizeof(D3D11_BLEND_DESC));
// Create an alpha enabled blend state description.
blendStateDesc.RenderTarget[0].BlendEnable = TRUE;
blendStateDesc.RenderTarget[0].SrcBlend = D3D11_BLEND_ONE;
blendStateDesc.RenderTarget[0].DestBlend = D3D11_BLEND_INV_SRC_ALPHA;
blendStateDesc.RenderTarget[0].BlendOp = D3D11_BLEND_OP_ADD;
blendStateDesc.RenderTarget[0].SrcBlendAlpha = D3D11_BLEND_ONE;
blendStateDesc.RenderTarget[0].DestBlendAlpha = D3D11_BLEND_ZERO;
blendStateDesc.RenderTarget[0].BlendOpAlpha = D3D11_BLEND_OP_ADD;
blendStateDesc.RenderTarget[0].RenderTargetWriteMask = 0x0f;
// Create the blend state using the description.
result = m_device->CreateBlendState(&blendStateDesc, &m_alphaEnableBlendingState);
if (FAILED(result))
{
return false;
}
// Modify the description to create an alpha disabled blend state description.
blendStateDesc.RenderTarget[0].BlendEnable = FALSE;
// Create the blend state using the description.
result = m_device->CreateBlendState(&blendStateDesc, &m_alphaDisableBlendingState);
if (FAILED(result))
{
return false;
}
// Create a blend state description for the alpha-to-coverage blending mode.
blendStateDesc.AlphaToCoverageEnable = true;
blendStateDesc.IndependentBlendEnable = false;
blendStateDesc.RenderTarget[0].BlendEnable = true;
blendStateDesc.RenderTarget[0].BlendOp = D3D11_BLEND_OP_ADD;
blendStateDesc.RenderTarget[0].BlendOpAlpha = D3D11_BLEND_OP_ADD;
blendStateDesc.RenderTarget[0].SrcBlend = D3D11_BLEND_ONE;
blendStateDesc.RenderTarget[0].DestBlend = D3D11_BLEND_INV_SRC_ALPHA;
blendStateDesc.RenderTarget[0].SrcBlendAlpha = D3D11_BLEND_ONE;
blendStateDesc.RenderTarget[0].DestBlendAlpha = D3D11_BLEND_ZERO;
blendStateDesc.RenderTarget[0].RenderTargetWriteMask = 0x0f;
// Create the blend state using the description.
result = m_device->CreateBlendState(&blendStateDesc, &m_alphaEnableBlendingState2);
if (FAILED(result))
{
return false;
}
return true;
}
void Scene::onInit()
{
this->mpZBufferDSV.Reset();
this->mpZBuffer.Reset();
this->mpBackBufferRTV.Reset();
this->mpBackBuffer.Reset();
this->mpImmediateContext.Reset();
this->mpDevice.Reset();
this->mpSwapChain.Reset();
//デバイスなどを作り直す
//DXGIを使う上で必要となるIDXGIFactory1を作成
HRESULT hr;
Microsoft::WRL::ComPtr<IDXGIFactory1> pFactory;
hr = CreateDXGIFactory1(IID_PPV_ARGS(pFactory.GetAddressOf()));
if (FAILED(hr)) {
throw std::runtime_error("IDXGIFactoryクラスの作成に失敗しました。");
}
//GPUアダプターを列挙して一番最初に見つかった使えるものを選ぶ
Microsoft::WRL::ComPtr<IDXGIAdapter1> pAdapterIt;
for (UINT adapterIndex = 0; S_OK == pFactory->EnumAdapters1(adapterIndex, pAdapterIt.GetAddressOf()); ++adapterIndex) {
DXGI_ADAPTER_DESC1 desc;
pAdapterIt->GetDesc1(&desc);
OutputDebugStringA( std::string("adapter " + std::to_string(adapterIndex) + "\n").c_str());
OutputDebugStringW((std::wstring(L" decription = ") + desc.Description + L"\n").c_str());
OutputDebugStringA( std::string(" VemdorId = " + std::to_string(desc.VendorId) + "\n").c_str());
OutputDebugStringA( std::string(" DeviceId = " + std::to_string(desc.DeviceId) + "\n").c_str());
OutputDebugStringA( std::string(" SubSysId = " + std::to_string(desc.SubSysId) + "\n").c_str());
OutputDebugStringA( std::string(" Revision = " + std::to_string(desc.Revision) + "\n").c_str());
OutputDebugStringA( std::string(" DedicatedVideoMemory = " + std::to_string(desc.DedicatedVideoMemory) + "\n").c_str());
OutputDebugStringA( std::string(" DedicatedSystemMemory = " + std::to_string(desc.DedicatedSystemMemory) + "\n").c_str());
OutputDebugStringA( std::string(" SharedSystemMemory = " + std::to_string(desc.SharedSystemMemory) + "\n").c_str());
OutputDebugStringA( std::string(" AdapterLuid = high:" + std::to_string(desc.AdapterLuid.HighPart) + " low:" + std::to_string(desc.AdapterLuid.LowPart) + "\n").c_str());
OutputDebugStringA( std::string(" Flag = " + std::to_string(desc.Flags) + "\n").c_str());
if (nullptr == this->mpAdapter) {
if (desc.Flags ^= DXGI_ADAPTER_FLAG_SOFTWARE) {
this->mpAdapter = pAdapterIt;
OutputDebugStringA(std::string("このアダプターを使用します。 adapterIndex = " + std::to_string(adapterIndex) + "\n").c_str());
}
//期待通りに動作してくれなかった
//LARGE_INTEGER version;
//hr = pAdapterIt->CheckInterfaceSupport(__uuidof(ID3D11Device), &version);
//DXGI_ERROR_UNSUPPORTED;
//if (S_OK == hr) {
// pAdapter = pAdapterIt;
// OutputDebugStringA(std::string("このアダプターを使用します。 adapterIndex = " + std::to_string(adapterIndex) + "\n").c_str());
//}
}
//使い終わったら必ずReleaseすること
pAdapterIt.Reset();
}
//ID3D11DeviceとID3D11DeviceContextの作成
std::array<D3D_FEATURE_LEVEL, 3> featureLevels = { {
D3D_FEATURE_LEVEL_11_0,
D3D_FEATURE_LEVEL_10_1,
D3D_FEATURE_LEVEL_10_0
} };
UINT flags = 0;
#ifdef _DEBUG
flags |= D3D11_CREATE_DEVICE_DEBUG;
#endif
D3D_FEATURE_LEVEL usedLevel;
hr = D3D11CreateDevice(
this->mpAdapter.Get(),
D3D_DRIVER_TYPE_UNKNOWN,
nullptr,
flags,
featureLevels.data(),
static_cast<UINT>(featureLevels.size()),
D3D11_SDK_VERSION,
this->mpDevice.GetAddressOf(),
&usedLevel,
this->mpImmediateContext.GetAddressOf()
);
if (FAILED(hr)) {
throw std::runtime_error("ID3D11Deviceの作成に失敗。");
}
//IDXGISwapChainの作成
DXGI_SWAP_CHAIN_DESC swapChainDesc = { 0 };
swapChainDesc.OutputWindow = Win32Application::hwnd();
swapChainDesc.BufferCount = 2;
swapChainDesc.SwapEffect = DXGI_SWAP_EFFECT_SEQUENTIAL;
swapChainDesc.BufferUsage = DXGI_USAGE_RENDER_TARGET_OUTPUT;
swapChainDesc.Flags = DXGI_SWAP_CHAIN_FLAG_ALLOW_MODE_SWITCH;
//swapChainDesc.Flags = 0;
swapChainDesc.SampleDesc.Count = 1;
swapChainDesc.SampleDesc.Quality = 0;
//フルスクリーンとウィンドモードの切り替えがしたい場合は、まずウィンドウモードとして生成することを推奨しているみたい
//https://msdn.microsoft.com/en-us/library/bb174579(v=vs.85).aspx
swapChainDesc.Windowed = true;
//希望する画面設定
swapChainDesc.BufferDesc.Width = this->width();
swapChainDesc.BufferDesc.Height = this->height();
swapChainDesc.BufferDesc.RefreshRate.Numerator = 60;
swapChainDesc.BufferDesc.RefreshRate.Denominator = 1;
swapChainDesc.BufferDesc.Format = DXGI_FORMAT_R8G8B8A8_UNORM;
//上の画面設定に一番近いものを調べる
Microsoft::WRL::ComPtr<IDXGIOutput> pOutput;
if (DXGI_ERROR_NOT_FOUND == this->mpAdapter->EnumOutputs(0, pOutput.GetAddressOf())) {
throw std::runtime_error("アダプターの出力先が見つかりません。");
}
DXGI_MODE_DESC modeDesc;
hr = pOutput->FindClosestMatchingMode(&swapChainDesc.BufferDesc, &modeDesc, this->mpDevice.Get());
if (FAILED(hr)) {
throw std::runtime_error("表示モードの取得に失敗");
}
//IDXGISwapChainの作成
swapChainDesc.BufferDesc = modeDesc;
hr = pFactory->CreateSwapChain(this->mpDevice.Get(), &swapChainDesc, this->mpSwapChain.GetAddressOf());
if (FAILED(hr)) {
throw std::runtime_error("IDXGISwapChainの作成に失敗");
}
//ディスプレイの画面モードの一覧を取得する
//IDXGIOutput* pOutput;
//this->mpSwapChain->GetContainingOutput(&pOutput);
//UINT num;
//UINT flag = DXGI_ENUM_MODES_INTERLACED;
//pOutput->GetDisplayModeList(swapChainDesc.BufferDesc.Format, flag, &num, nullptr);
//std::vector<DXGI_MODE_DESC> modeDesces;
//modeDesces.resize(num);
//pOutput->GetDisplayModeList(swapChainDesc.BufferDesc.Format, flag, &num, &modeDesces[0]);
//pOutput->Release();
//
// 後はバックバッファのレンダーターゲットビューの作成、必要ならZバッファの作成とビューポートの設定を行う
//
initRenderTargetAndDepthStencil(swapChainDesc.BufferDesc.Width, swapChainDesc.BufferDesc.Height);
}
