public static List <byte[]> SwizzleSurfaceMipMaps(Texture tex, byte[] data, TileMode TileMode)
{
int blockHeightShift = 0;
int target = 1;
uint Pitch = 0;
uint SurfaceSize = 0;
uint blockHeight = 0;
uint blk_dim = Formats.blk_dims((uint)((int)tex.Format >> 8));
uint blkWidth = blk_dim >> 4;
uint blkHeight = blk_dim & 0xF;
uint linesPerBlockHeight = 0;
uint bpp = Formats.bpps((uint)((int)tex.Format >> 8));
if ((int)TileMode == 1)
{
blockHeight = 1;
tex.BlockHeightLog2 = 0;
tex.Alignment = 1;
linesPerBlockHeight = 1;
tex.ReadTextureLayout = 0;
}
else
{
blockHeight = TegraX1Swizzle.GetBlockHeight(DIV_ROUND_UP(tex.Height, blkHeight));
tex.BlockHeightLog2 = (uint)Convert.ToString(blockHeight, 2).Length - 1;
Console.WriteLine("BlockHeightLog2 " + tex.BlockHeightLog2);
Console.WriteLine("blockHeight " + blockHeight);
tex.Alignment = 512;
tex.ReadTextureLayout = 1;
linesPerBlockHeight = blockHeight * 8;
}
List <byte[]> mipmaps = new List <byte[]>();
for (int mipLevel = 0; mipLevel < tex.MipCount; mipLevel++)
{
var result = GetCurrentMipSize(tex.Width, tex.Height, blkWidth, blkHeight, bpp, mipLevel);
uint offset = result.Item1;
uint size = result.Item2;
byte[] data_ = SubArray(data, offset, size);
uint width_ = Math.Max(1, tex.Width >> mipLevel);
uint height_ = Math.Max(1, tex.Height >> mipLevel);
uint width__ = DIV_ROUND_UP(width_, blkWidth);
uint height__ = DIV_ROUND_UP(height_, blkHeight);
byte[] AlignedData = new byte[(TegraX1Swizzle.round_up(SurfaceSize, (uint)tex.Alignment) - SurfaceSize)];
SurfaceSize += (uint)AlignedData.Length;
Console.WriteLine("SurfaceSize Aligned " + AlignedData);
Console.WriteLine("MipOffsets " + SurfaceSize);
tex.MipOffsets[mipLevel] = SurfaceSize;
if (tex.TileMode == TileMode.LinearAligned)
{
Pitch = width__ * bpp;
Console.WriteLine("Pitch 1 " + Pitch);
if (target == 1)
{
Pitch = TegraX1Swizzle.round_up(width__ * bpp, 32);
Console.WriteLine("Pitch 2 " + Pitch);
}
SurfaceSize += Pitch * height__;
}
else
{
if (TegraX1Swizzle.pow2_round_up(height__) < linesPerBlockHeight)
{
blockHeightShift += 1;
}
Pitch = TegraX1Swizzle.round_up(width__ * bpp, 64);
Console.WriteLine("Pitch 1 " + Pitch);
Console.WriteLine("blockHeightShift " + blockHeightShift);
SurfaceSize += Pitch * TegraX1Swizzle.round_up(height__, Math.Max(1, blockHeight >> blockHeightShift) * 8);
Console.WriteLine("SurfaceSize " + SurfaceSize);
byte[] SwizzledData = TegraX1Swizzle.swizzle(width_, height_, blkWidth, blkHeight, target, bpp, (uint)tex.TileMode, (int)Math.Max(0, tex.BlockHeightLog2 - blockHeightShift), data_);
mipmaps.Add(AlignedData.Concat(SwizzledData).ToArray());
}
}
tex.ImageSize = SurfaceSize;
return(mipmaps);
}