public static DX11Texture2D LoadFromMemory(DxDevice device, IntPtr dataPointer, int dataLength)
{
IntPtr resource;
NativeMethods.LoadTextureFromMemory(device.Device.NativePointer, dataPointer, dataLength, out resource);
if (resource != IntPtr.Zero)
{
Texture2D texture = Texture2D.FromPointer <Texture2D>(resource);
ShaderResourceView srv = new ShaderResourceView(device, texture);
return(DX11Texture2D.FromReference(device, texture, srv));
}
else
{
throw new Exception("Failed to load texture");
}
}
public static DX11Texture2D LoadFromFile(DxDevice device, string path, bool mips = true)
{
IntPtr resource;
int levels = mips ? 0 : 1;
NativeMethods.LoadTextureFromFile(device.Device.NativePointer, path, out resource, levels);
if (resource != IntPtr.Zero)
{
Texture2D texture = Texture2D.FromPointer <Texture2D>(resource);
ShaderResourceView srv = new ShaderResourceView(device, texture);
return(DX11Texture2D.FromReference(device, texture, srv));
}
else
{
throw new Exception("Failed to load texture");
}
}
public DX11DepthStencil(DxDevice device, int w, int h, SampleDescription sd, eDepthFormat depthformat = eDepthFormat.d24s8)
{
this.device = device;
var depthBufferDesc = new Texture2DDescription
{
ArraySize = 1,
BindFlags = BindFlags.DepthStencil | BindFlags.ShaderResource,
CpuAccessFlags = CpuAccessFlags.None,
Format = depthformat.GetTypeLessFormat(),
Height = h,
Width = w,
MipLevels = 1,
OptionFlags = ResourceOptionFlags.None,
SampleDescription = sd,
Usage = ResourceUsage.Default
};
this.Texture = new Texture2D(device.Device, depthBufferDesc);
this.resourceDesc = this.Texture.Description;
this.DepthFormat = depthformat;
ShaderResourceViewDescription srvd = new ShaderResourceViewDescription()
{
Format = depthformat.GetSRVFormat(),
Dimension = sd.Count == 1 ? ShaderResourceViewDimension.Texture2D : ShaderResourceViewDimension.Texture2DMultisampled,
};
if (sd.Count == 1)
{
srvd.Texture2D.MipLevels = 1;
srvd.Texture2D.MostDetailedMip = 0;
}
this.ShaderView = new ShaderResourceView(device.Device, this.Texture, srvd);
if (depthformat.HasStencil())
{
ShaderResourceViewDescription stencild = new ShaderResourceViewDescription()
{
Dimension = sd.Count == 1 ? ShaderResourceViewDimension.Texture2D : ShaderResourceViewDimension.Texture2DMultisampled,
Format = depthformat.GetStencilSRVFormat(),
};
if (sd.Count == 1)
{
stencild.Texture2D.MipLevels = 1;
stencild.Texture2D.MostDetailedMip = 0;
}
ShaderResourceView stencilview = new ShaderResourceView(this.device.Device, this.Texture, stencild);
this.Stencil = DX11Texture2D.FromReference(this.device, this.Texture, stencilview);
}
else
{
//Just pass depth instead
this.Stencil = null;
}
DepthStencilViewDescription dsvd = new DepthStencilViewDescription()
{
Format = depthformat.GetDepthFormat(),
Dimension = sd.Count == 1 ? DepthStencilViewDimension.Texture2D : DepthStencilViewDimension.Texture2DMultisampled,
};
this.DepthView = new DepthStencilView(device.Device, this.Texture, dsvd);
//Read only dsv only supported in dx11 minimum
if (device.IsFeatureLevel11)
{
dsvd.Flags = DepthStencilViewFlags.ReadOnlyDepth;
if (depthformat.HasStencil())
{
dsvd.Flags |= DepthStencilViewFlags.ReadOnlyStencil;
}
this.ReadOnlyView = new DepthStencilView(device.Device, this.Texture, dsvd);
}
}
