private static void Update(TextureArray2dGL texArray, IEnumerable <NamedStream> resources)
{
var count = resources.Count();
if (2 > count)
{
return;
}
var bitmaps = from res in resources select new Bitmap(res.Stream);
var first = bitmaps.First();
var levels = MathHelper.MipMapLevels(first.Width, first.Height);
var internalFormat = TextureLoaderDrawing.SelectInternalPixelFormat(first.PixelFormat);
texArray.SetFormat(first.Width, first.Height, count, levels, (SizedInternalFormat)internalFormat);
var slice = 0;
foreach (var bitmap in bitmaps)
{
var buffer = bitmap.ToBuffer();
var pixelFormat = TextureLoaderDrawing.SelectPixelFormat(bitmap.PixelFormat);
texArray.Load(buffer, slice, pixelFormat, PixelType.UnsignedByte);
++slice;
}
texArray.Filter = TextureFilterMode.Mipmap;
texArray.WrapFunction = TextureWrapFunction.ClampToEdge;
}
private static ITexture2dArray TextureArrayImporter(IEnumerable <NamedStream> resources)
{
var texArray = new TextureArray2dGL();
Update(texArray, resources);
return(texArray);
}