private int Open(IntPtr thisPtr, D3D.INCLUDE_TYPE includeType, IntPtr pFileName, IntPtr pParentData, ref IntPtr ppData, ref int pBytes)
{
string result = null;
string filepath = pFileName == IntPtr.Zero ? null : Marshal.PtrToStringAnsi(pFileName);
string parent_directory = DirectoryMap[pParentData];
//TODO Support non relative directories
string this_directory = System.IO.Path.GetDirectoryName(System.IO.Path.Combine(parent_directory, filepath));
int hresult = Open(includeType, filepath, parent_directory, ref result);
if (hresult != 0)
{
return(hresult);
}
if (result != null)
{
//NOTE: DON'T INCLUDE END BYTE!! byte[] data = Encoding.ASCII.GetBytes(result + char.MinValue);
byte[] data = Encoding.ASCII.GetBytes(result);
var ptr = Marshal.AllocHGlobal(data.Length);
Marshal.Copy(data, 0, ptr, data.Length);
ppData = ptr;
pBytes = data.Length;
DirectoryMap[ppData] = this_directory;
}
return(hresult);
}
protected override int Open(D3D.INCLUDE_TYPE includeType, string filepath, string directory, ref string hlsl_source)
{
switch (includeType)
{
case D3D.INCLUDE_TYPE.D3D_INCLUDE_LOCAL:
hlsl_source = ReadResource(filepath, directory);
return(0);
case D3D.INCLUDE_TYPE.D3D_INCLUDE_SYSTEM:
hlsl_source = ReadResource(filepath, base.DirectoryMap[IntPtr.Zero]);
return(0);
default:
throw new Exception("Unimplemented include type");
}
}
private int Open(IntPtr thisPtr, D3D.INCLUDE_TYPE includeType, IntPtr pFileName, IntPtr pParentData, ref IntPtr ppData, ref int pBytes)
{
string result = null;
int hresult = Open(includeType, Marshal.PtrToStringAnsi(pFileName), ref result);
if (hresult != 0)
{
return(hresult);
}
if (result != null)
{
byte[] data = Encoding.ASCII.GetBytes(result + char.MinValue);
var ptr = Marshal.AllocHGlobal(data.Length);
Marshal.Copy(data, 0, ptr, data.Length);
ppData = ptr;
pBytes = data.Length;
}
return(hresult);
}
protected abstract int Open(D3D.INCLUDE_TYPE includeType, string filename, string directory, ref string result);
