static std::shared_ptr<CanvasSwapChainDrawingSessionAdapter> Create(
ICanvasDevice* owner,
IDXGISwapChain1* swapChainResource,
D2D1_COLOR_F const& clearColor,
float dpi,
ID2D1DeviceContext1** outDeviceContext)
{
auto deviceContext = As<ICanvasDeviceInternal>(owner)->CreateDeviceContextForDrawingSession();
DXGI_SWAP_CHAIN_DESC1 swapChainDescription;
ThrowIfFailed(swapChainResource->GetDesc1(&swapChainDescription));
ComPtr<IDXGISurface2> backBufferSurface;
ThrowIfFailed(swapChainResource->GetBuffer(0, IID_PPV_ARGS(&backBufferSurface)));
ComPtr<ID2D1Bitmap1> d2dTargetBitmap;
D2D1_BITMAP_PROPERTIES1 bitmapProperties = D2D1::BitmapProperties1();
bitmapProperties.bitmapOptions = D2D1_BITMAP_OPTIONS_TARGET | D2D1_BITMAP_OPTIONS_CANNOT_DRAW;
bitmapProperties.pixelFormat.format = swapChainDescription.Format;
bitmapProperties.pixelFormat.alphaMode = ConvertDxgiAlphaModeToD2DAlphaMode(swapChainDescription.AlphaMode);
ThrowIfFailed(deviceContext->CreateBitmapFromDxgiSurface(backBufferSurface.Get(), &bitmapProperties, &d2dTargetBitmap));
deviceContext->SetTarget(d2dTargetBitmap.Get());
deviceContext->BeginDraw();
//
// If this function fails then we need to call EndDraw
//
auto endDrawWarden = MakeScopeWarden([&] { ThrowIfFailed(deviceContext->EndDraw()); });
ThrowIfFailed(deviceContext.CopyTo(outDeviceContext));
auto adapter = std::make_shared<CanvasSwapChainDrawingSessionAdapter>();
deviceContext->Clear(&clearColor);
deviceContext->SetDpi(dpi, dpi);
//
// This function can't fail now, so we can dismiss the end draw warden.
//
endDrawWarden.Dismiss();
return adapter;
}
//--------------------------------------------------------------------------------------
// class DefaultRenderTarget : public RenderTarget;
// 用途: デフォルトのレンダーターゲット
// ＊デフォルトのレンダラー
//--------------------------------------------------------------------------------------
//構築
DefaultRenderTarget::DefaultRenderTarget(const shared_ptr<Stage>& stage) :
pImpl(new Impl(stage))
{
try{
if (pImpl->m_Stage.expired()){
throw BaseException(
L"ステージが無効です",
L"if (pImpl->m_Stage.expired())",
L"DefaultRenderTarget::DefaultRenderTarget()"
);
}
auto Dev = App::GetApp()->GetDeviceResources();
auto pD3D11Device = Dev->GetD3DDevice();
auto pSwapChain = Dev->GetSwapChain();
auto pD3D11DeviceContext = Dev->GetD3DDeviceContext();
auto pD2D11DeviceContext = Dev->GetD2DDeviceContext();
//レンダリングターゲットビューの作成
ComPtr<ID3D11Texture2D> pBackBuffer;
//まずバックバッファのポインタを得る
ThrowIfFailed(
pSwapChain->GetBuffer(0, __uuidof(ID3D11Texture2D), (LPVOID*)&pBackBuffer),
L"スワップチェーンからバックバッファの取得に失敗しました。",
L"pSwapChain->GetBuffer(0, __uuidof(ID3D11Texture2D), (LPVOID*)&pBackBuffer)",
L"DefaultRenderTarget::DefaultRenderTarget()"
);
//バックバッファからレンダリングターゲットのビューを作成する
ThrowIfFailed(
pD3D11Device->CreateRenderTargetView(pBackBuffer.Get(), nullptr, &pImpl->m_D3D11RenderTargetView),
L"DX11バックバッファからのレンダリングターゲットビューを作成に失敗しました。",
L"pD3D11Device->CreateRenderTargetView(pBackBuffer.Get(), nullptr, &m_D3D11RenderTargetView)",
L"DefaultRenderTarget::DefaultRenderTarget()"
);
//深度テクスチャの作成
D3D11_TEXTURE2D_DESC descDepth;
ZeroMemory(&descDepth, sizeof(descDepth));
descDepth.Width = App::GetApp()->GetGameWidth();
descDepth.Height = App::GetApp()->GetGameHeight();
descDepth.MipLevels = 1;
descDepth.ArraySize = 1;
descDepth.Format = DXGI_FORMAT_D24_UNORM_S8_UINT;
descDepth.SampleDesc.Count = 1;
descDepth.SampleDesc.Quality = 0;
descDepth.Usage = D3D11_USAGE_DEFAULT;
descDepth.BindFlags = D3D11_BIND_DEPTH_STENCIL;
descDepth.CPUAccessFlags = 0;
descDepth.MiscFlags = 0;
ThrowIfFailed(
pD3D11Device->CreateTexture2D(&descDepth, nullptr, &pImpl->m_DepthStencil),
L"DX11深度テクスチャの作成失敗の作成に失敗しました。",
L"pD3D11Device->CreateTexture2D(&descDepth, nullptr, &m_DepthStencil)",
L"DefaultRenderTarget::DefaultRenderTarget()"
);
//深度ステンシルビューの作成
D3D11_DEPTH_STENCIL_VIEW_DESC descDSV;
ZeroMemory(&descDSV, sizeof(descDSV));
descDSV.Format = DXGI_FORMAT_D24_UNORM_S8_UINT;
descDSV.ViewDimension = D3D11_DSV_DIMENSION_TEXTURE2D;
descDSV.Texture2D.MipSlice = 0;
ThrowIfFailed(
pD3D11Device->CreateDepthStencilView(pImpl->m_DepthStencil.Get(), &descDSV, &pImpl->m_DepthStencilView),
L"DX11深度ステンシルビューの作成に失敗しました。",
L"pD3D11Device->CreateDepthStencilView(m_DepthStencil.Get(), &descDSV, &m_DepthStencilView)",
L"DefaultRenderTarget::DefaultRenderTarget()"
);
ComPtr<IDXGISurface2> dxgiBackBuffer;
ThrowIfFailed(
pSwapChain->GetBuffer(0, IID_PPV_ARGS(&dxgiBackBuffer)),
L"2dデバイスコンテキスト作成に失敗しました。",
L"m_d2dDevice->CreateDeviceContext()",
L"DeviceResources::Impl::CreateDeviceResources()"
);
ThrowIfFailed(
pD2D11DeviceContext->CreateBitmapFromDxgiSurface(
dxgiBackBuffer.Get(),
nullptr, //デフォルト設定
&pImpl->m_d2dTargetBitmap
),
L"2dビットマップ作成に失敗しました。",
L"pD2D11DeviceContext->CreateBitmapFromDxgiSurface()",
L"DefaultRenderTarget::DefaultRenderTarget()"
);
pD2D11DeviceContext->SetTarget(pImpl->m_d2dTargetBitmap.Get());
//グレースケール テキストのアンチエイリアシング
pD2D11DeviceContext->SetTextAntialiasMode(D2D1_TEXT_ANTIALIAS_MODE_GRAYSCALE);
}
catch (...){
throw;
}
}
