public byte[] GetTextureData(TextureView view)
{
int size = 0;
for (int level = 0; level < view.Info.Levels; level++)
{
size += view.Info.GetMipSize(level);
}
EnsureBuffer(size);
GL.BindBuffer(BufferTarget.PixelPackBuffer, _copyBufferHandle);
view.WriteToPbo(0, false);
GL.BindBuffer(BufferTarget.PixelPackBuffer, 0);
byte[] data = new byte[size];
Sync();
Marshal.Copy(_bufferMap, data, 0, size);
return(data);
}
public unsafe ReadOnlySpan <byte> GetTextureData(TextureView view, int size)
{
EnsureBuffer(size);
GL.BindBuffer(BufferTarget.PixelPackBuffer, _copyBufferHandle);
view.WriteToPbo(0, false);
GL.BindBuffer(BufferTarget.PixelPackBuffer, 0);
Sync();
return(new ReadOnlySpan <byte>(_bufferMap.ToPointer(), size));
}