/// <summary>
/// レンダーターゲットを初期化します．
/// </summary>
private void InitializeTargets()
{
{
// Direct3D レンダーターゲットの作成
var desc = new D3D.Texture2DDescription
{
Width = size.Width,
Height = size.Height,
MipLevels = 1,
ArraySize = 1,
Format = Format.B8G8R8A8_UNorm,
SampleDescription = new SampleDescription(1, 0),
Usage = D3D.ResourceUsage.Default,
BindFlags = D3D.BindFlags.RenderTarget,
CpuAccessFlags = D3D.CpuAccessFlags.None,
OptionFlags = D3D.ResourceOptionFlags.GdiCompatible
};
d3dRenderTarget = new D3D.Texture2D(deviceManager.Device, desc);
}
{
// レンダーターゲットビューの作成
D3D.Texture2D target = D3DRenderTarget;
var desc = new D3D.RenderTargetViewDescription
{
Format = target.Description.Format,
Dimension =
target.Description.SampleDescription.Count > 1
? D3D.RenderTargetViewDimension.Texture2DMultisampled
: D3D.RenderTargetViewDimension.Texture2D,
MipSlice = 0
};
d3dRenderTargetView = new D3D.RenderTargetView(deviceManager.Device, target, desc);
}
// DXGIサーフェスの取得
dxgiSurface = d3dRenderTarget.AsSurface();
{
// レンダーターゲットの作成
var properties = new D2D.RenderTargetProperties
{
Type = D2D.RenderTargetType.Default,
PixelFormat = new D2D.PixelFormat(dxgiSurface.Description.Format, D2D.AlphaMode.Premultiplied),
HorizontalDpi = 0,
VerticalDpi = 0,
Usage = D2D.RenderTargetUsage.GdiCompatible,
MinimumFeatureLevel = D2D.FeatureLevel.Direct3D10
};
d2dRenderTarget = D2D.RenderTarget.FromDXGI(deviceManager.D2DFactory, dxgiSurface, properties);
d2dGdiInteropRenderTarget = new D2D.GdiInteropRenderTarget(d2dRenderTarget);
}
if (TargetsInitialized != null)
{
TargetsInitialized(this, new EventArgs());
}
}
/// <summary>
/// レンダーターゲットを破棄します．
/// </summary>
private void DestroyTargets()
{
if (DXGISurface != null && TargetsDestroying != null)
{
TargetsDestroying(this, new EventArgs());
}
SafeRelease(d2dGdiInteropRenderTarget);
SafeRelease(d2dRenderTarget);
SafeRelease(dxgiSurface);
SafeRelease(d3dRenderTargetView);
SafeRelease(d3dRenderTarget);
d2dGdiInteropRenderTarget = null;
d2dRenderTarget = null;
dxgiSurface = null;
d3dRenderTargetView = null;
d3dRenderTarget = null;
}
public RenderTargetDC(D2D.GdiInteropRenderTarget renderTarget)
{
this.renderTarget = renderTarget;
hdc = this.renderTarget.GetDC(D2D.DeviceContextInitializeMode.Copy);
}