public static HwBuffer FromData(BinaryReader reader, GameType gameType, BaseDataBufferFormat format, BaseRenderDataStreamingMode streamingMode, uint byteStride, uint elementCount)
{
if (streamingMode != BaseRenderDataStreamingMode.NotStreaming && streamingMode != BaseRenderDataStreamingMode.Streaming)
{
throw new InvalidDataException("Invalid streaming mode");
}
var buffer = new HwBuffer
{
Format = format,
ElementStride = byteStride,
ElementCount = elementCount,
StreamingMode = streamingMode,
};
if (buffer.StreamingMode == BaseRenderDataStreamingMode.Streaming)
{
if (gameType == GameType.HZD)
{
buffer.StreamInfo = BaseStreamHandle.FromData(reader, gameType);
}
else
{
buffer.StreamInfo = null;
}
}
else
{
// Read raw data
buffer.Data = reader.ReadBytesStrict(elementCount * byteStride);
}
return(buffer);
}
public static HwBuffer FromData(BinaryReader reader, GameType gameType, BaseDataBufferFormat format, bool streaming, uint byteStride, uint elementCount)
{
var buffer = new HwBuffer
{
Format = format,
ElementStride = byteStride,
ElementCount = elementCount,
Streaming = streaming,
};
if (buffer.Streaming)
{
if (gameType == GameType.HZD)
{
buffer.StreamInfo = BaseStreamHandle.FromData(reader, gameType);
}
else
{
buffer.StreamInfo = null;
}
}
else
{
// Read raw data
buffer.Data = reader.ReadBytesStrict(elementCount * byteStride);
}
return(buffer);
}
public static uint GetStrideForFormat(BaseDataBufferFormat format)
{
switch (format)
{
case BaseDataBufferFormat.R_UINT_8:
case BaseDataBufferFormat.R_UNORM_8:
return(1);
case BaseDataBufferFormat.R_FLOAT_16:
case BaseDataBufferFormat.R_UINT_16:
case BaseDataBufferFormat.R_UNORM_16:
return(2);
case BaseDataBufferFormat.R_FLOAT_32:
case BaseDataBufferFormat.R_UINT_32:
case BaseDataBufferFormat.R_INT_32:
case BaseDataBufferFormat.RGBA_UNORM_8:
case BaseDataBufferFormat.RGBA_UINT_8:
case BaseDataBufferFormat.RG_UINT_16:
case BaseDataBufferFormat.RGBA_INT_8:
return(4);
case BaseDataBufferFormat.RG_FLOAT_32:
case BaseDataBufferFormat.RG_UINT_32:
case BaseDataBufferFormat.RG_INT_32:
case BaseDataBufferFormat.RGBA_UINT_16:
return(8);
case BaseDataBufferFormat.RGB_FLOAT_32:
case BaseDataBufferFormat.RGB_UINT_32:
case BaseDataBufferFormat.RGB_INT_32:
return(12);
case BaseDataBufferFormat.RGBA_FLOAT_32:
case BaseDataBufferFormat.RGBA_UINT_32:
case BaseDataBufferFormat.RGBA_INT_32:
return(16);
}
throw new NotSupportedException("Attempting to get the size of a dynamic or invalid stride format");
}
