/// <summary>
/// WIC <see cref="SharpDX.WIC.BitmapSource"/> から <see cref="SharpDX.Direct3D11.Texture2D"/> を作成する
/// </summary>
/// <param name="app"></param>
/// <param name="bitmapSource">The WIC bitmap source</param>
/// <param name="name">任意の名前</param>
/// <returns>A Texture2D</returns>
protected static MCTexture CreateTexture2DFromBitmap(Application app, SharpDX.WIC.BitmapSource bitmapSource, string name)
{
// WICイメージピクセルを受け取るためにDataStreamを割り当てます。
int stride = bitmapSource.Size.Width * 4;
MCTexture tx = new MCTexture(app, name);
using (var buffer = new SharpDX.DataStream(bitmapSource.Size.Height * stride, true, true))
{
// WICの内容をバッファにコピーする
bitmapSource.CopyPixels(stride, buffer);
Texture123DDesc d = new Texture123DDesc();
d.D2 = new Texture2DDescription()
{
Width = bitmapSource.Size.Width,
Height = bitmapSource.Size.Height,
ArraySize = 1,
BindFlags = SharpDX.Direct3D11.BindFlags.ShaderResource,
Usage = SharpDX.Direct3D11.ResourceUsage.Immutable,
CpuAccessFlags = SharpDX.Direct3D11.CpuAccessFlags.None,
Format = SharpDX.DXGI.Format.R8G8B8A8_UNorm,
MipLevels = 1,
OptionFlags = SharpDX.Direct3D11.ResourceOptionFlags.None,
SampleDescription = new SharpDX.DXGI.SampleDescription(1, 0),
};
if (tx.CreateTexture2D(0, d, new DataRectangle(buffer.DataPointer, stride)) == 1)
{
return(null);
}
}
return(tx);
}
/// <summary>
/// テクスチャーを作成する
/// </summary>
/// <param name="app"></param>
/// <param name="name"></param>
/// <param name="desc"></param>
/// <returns></returns>
public static MCBaseTexture CreateTexture2D(Application app, string name, Texture2DDescription desc)
{
int hr = -1;
bool isCreateDepth = false;
MCTexture tx = new MCTexture(app, name);
var d = new Texture123DDesc();
if (tx == null)
{
throw new CreatedException();
}
if ((desc.BindFlags & BindFlags.DepthStencil) != 0)
{
desc.BindFlags &= ~BindFlags.DepthStencil;
isCreateDepth = true;
}
d.D2 = desc;
if (tx.CreateTexture2D(0, d) != 0)
{
return(null);
}
// 1．レンダーターゲット
if ((desc.BindFlags & BindFlags.RenderTarget) != 0)
{
RenderTargetViewDescription renderD = new RenderTargetViewDescription();
renderD.Format = desc.Format;
renderD.Dimension = RenderTargetViewDimension.Texture2D;
renderD.Texture2D.MipSlice = 0;
hr = tx.CreateRenderTargetView(0, renderD);
if (hr == -1)
{
return(null);
}
}
// 2．シェーダーターゲット
if ((desc.BindFlags & BindFlags.ShaderResource) != 0)
{
ShaderResourceViewDescription shaderD = new ShaderResourceViewDescription();
shaderD.Format = desc.Format;
shaderD.Dimension = ShaderResourceViewDimension.Texture2D;
shaderD.Texture2D.MostDetailedMip = 0;
shaderD.Texture2D.MipLevels = 1;
hr = tx.CreateShaderResourceView(0, shaderD);
if (hr == -1)
{
return(null);
}
}
if (isCreateDepth)
{
hr = tx.CreateDepthTexture();
if (hr == -1)
{
return(null);
}
}
if (!app.ImageMgr.RegisterTexture(name, tx))
{
return(null);
}
return(tx);
}
