public static HwBuffer FromData(BinaryReader reader, EDataBufferFormat format, bool streaming, uint byteStride, uint elementCount)
{
if (streaming)
{
return new HwBuffer {
StreamInfo = StreamHandle.FromData(reader)
}
}
;
else
{
return new HwBuffer {
Data = reader.ReadBytesStrict(elementCount * byteStride)
}
};
}
public static HwBuffer FromData(BinaryReader reader, EDataBufferFormat format, bool streaming, uint byteStride, uint elementCount)
{
var buffer = new HwBuffer
{
Format = format,
ElementStride = byteStride,
ElementCount = elementCount,
};
if (streaming)
{
buffer.StreamInfo = StreamHandle.FromData(reader);
}
else
{
buffer.Data = reader.ReadBytesStrict(elementCount * byteStride);
}
return(buffer);
}
public static uint GetStrideForFormat(EDataBufferFormat format)
{
switch (format)
{
case EDataBufferFormat.R_UINT_8:
case EDataBufferFormat.R_UNORM_8:
return(1);
case EDataBufferFormat.R_FLOAT_16:
case EDataBufferFormat.R_UINT_16:
case EDataBufferFormat.R_UNORM_16:
return(2);
case EDataBufferFormat.R_FLOAT_32:
case EDataBufferFormat.R_UINT_32:
case EDataBufferFormat.R_INT_32:
case EDataBufferFormat.RGBA_UNORM_8:
case EDataBufferFormat.RGBA_UINT_8:
case EDataBufferFormat.RG_UINT_16:
case EDataBufferFormat.RGBA_INT_8:
return(4);
case EDataBufferFormat.RG_FLOAT_32:
case EDataBufferFormat.RG_UINT_32:
case EDataBufferFormat.RG_INT_32:
case EDataBufferFormat.RGBA_UINT_16:
return(8);
case EDataBufferFormat.RGB_FLOAT_32:
case EDataBufferFormat.RGB_UINT_32:
case EDataBufferFormat.RGB_INT_32:
return(12);
case EDataBufferFormat.RGBA_FLOAT_32:
case EDataBufferFormat.RGBA_UINT_32:
case EDataBufferFormat.RGBA_INT_32:
return(16);
}
throw new NotSupportedException("Attempting to get the size of a dynamic or invalid stride format");
}
