private void SaveMultipleLevel(ExportModel info, TextureArray2D texture)
{
Debug.Assert(info.TexFormat.Format.HasGliFormat);
var numLayer = info.Layer == -1 ? models.Images.NumLayers : 1;
var numLevels = info.Mipmap == -1 ? models.Images.NumMipmaps : 1;
var supportCropping = numLevels == 1;
var width = info.GetCropWidth();
var height = info.GetCropHeight();
if (!info.UseCropping && numLevels == 1)
{
// set full width and height
width = models.Images.GetWidth(info.Mipmap);
height = models.Images.GetHeight(info.Mipmap);
}
Debug.Assert(width > 0);
Debug.Assert(height > 0);
if (!supportCropping)
{
width = models.Images.Width;
height = models.Images.Height;
}
// allocate
ImageLoader.CreateStorage(info.TexFormat.Format.GliFormat, width, height, numLayer, numLevels);
// store data
for (var layerIdx = 0; layerIdx < numLayer; ++layerIdx)
{
for (var levelIdx = 0; levelIdx < numLevels; ++levelIdx)
{
ImageLoader.GetLevelSize(levelIdx, out var bufSize);
var data = texture.GetData(
numLayer == 1 ? info.Layer : layerIdx,
numLevels == 1 ? info.Mipmap : levelIdx,
info.TexFormat.Format, info.UseCropping && supportCropping,
info.CropStartX, info.CropStartY, ref width, ref height,
models.GlData.ExportShader, (int)bufSize);
ImageLoader.StoreLevel(layerIdx, levelIdx, data, (UInt64)data.Length);
}
}
// save texture
if (info.FileType == ExportModel.FileFormat.Ktx)
{
ImageLoader.SaveKtx(info.Filename);
}
else if (info.FileType == ExportModel.FileFormat.Ktx2)
{
ImageLoader.SaveKtx2(info.Filename);
}
else if (info.FileType == ExportModel.FileFormat.Dds)
{
ImageLoader.SaveDDS(info.Filename);
}
}