public override byte[] GetImageData(int ArrayLevel = 0, int MipLevel = 0)
{
if (!IsSwizzled)
{
return(ImageData);
}
int target = 1;
uint bpp = GetBytesPerPixel(Format);
uint blkWidth = GetBlockWidth(Format);
uint blkHeight = GetBlockHeight(Format);
uint blkDepth = GetBlockDepth(Format);
uint blockHeight = TegraX1Swizzle.GetBlockHeight(TegraX1Swizzle.DIV_ROUND_UP(Height, blkHeight));
uint BlockHeightLog2 = (uint)Convert.ToString(blockHeight, 2).Length - 1;
uint Pitch = 0;
uint DataAlignment = 512;
uint TileMode = 0;
int linesPerBlockHeight = (1 << (int)BlockHeightLog2) * 8;
uint ArrayCount = (uint)mipSizes.Count;
uint ArrayOffset = 0;
for (int arrayLevel = 0; arrayLevel < ArrayCount; arrayLevel++)
{
uint SurfaceSize = 0;
int blockHeightShift = 0;
List <uint> MipOffsets = new List <uint>();
for (int mipLevel = 0; mipLevel < mipSizes[arrayLevel].Length; mipLevel++)
{
uint width = (uint)Math.Max(1, Width >> mipLevel);
uint height = (uint)Math.Max(1, Height >> mipLevel);
uint depth = (uint)Math.Max(1, Depth >> mipLevel);
uint size = TegraX1Swizzle.DIV_ROUND_UP(width, blkWidth) * TegraX1Swizzle.DIV_ROUND_UP(height, blkHeight) * bpp;
if (TegraX1Swizzle.pow2_round_up(TegraX1Swizzle.DIV_ROUND_UP(height, blkWidth)) < linesPerBlockHeight)
{
blockHeightShift += 1;
}
uint width__ = TegraX1Swizzle.DIV_ROUND_UP(width, blkWidth);
uint height__ = TegraX1Swizzle.DIV_ROUND_UP(height, blkHeight);
//Calculate the mip size instead
byte[] AlignedData = new byte[(TegraX1Swizzle.round_up(SurfaceSize, DataAlignment) - SurfaceSize)];
SurfaceSize += (uint)AlignedData.Length;
MipOffsets.Add(SurfaceSize);
//Get the first mip offset and current one and the total image size
int msize = (int)((MipOffsets[0] + ImageData.Length - MipOffsets[mipLevel]) / ArrayCount);
byte[] data_ = Utils.SubArray(ImageData, ArrayOffset + MipOffsets[mipLevel], (uint)msize);
try
{
Pitch = TegraX1Swizzle.round_up(width__ * bpp, 64);
SurfaceSize += Pitch * TegraX1Swizzle.round_up(height__, Math.Max(1, blockHeight >> blockHeightShift) * 8);
Console.WriteLine($"{width} {height} {blkWidth} {blkHeight} {target} {bpp} {TileMode} {(int)Math.Max(0, BlockHeightLog2 - blockHeightShift)} {data_.Length}");
byte[] result = TegraX1Swizzle.deswizzle(width, height, depth, blkWidth, blkHeight, blkDepth, target, bpp, TileMode, (int)Math.Max(0, BlockHeightLog2 - blockHeightShift), data_);
//Create a copy and use that to remove uneeded data
byte[] result_ = new byte[size];
Array.Copy(result, 0, result_, 0, size);
result = null;
if (ArrayLevel == arrayLevel && MipLevel == mipLevel)
{
return(result_);
}
}
catch (Exception e)
{
System.Windows.Forms.MessageBox.Show($"Failed to swizzle texture {Text}!");
Console.WriteLine(e);
return(new byte[0]);
}
}
ArrayOffset += (uint)(ImageData.Length / ArrayCount);
}
return(new byte[0]);
}
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);
}
private List <uint[]> GenerateMipSizes(uint SurfaceCount = 1)
{
List <uint[]> MipMapSizes = new List <uint[]>();
uint bpp = GetBytesPerPixel(Format);
uint blkWidth = GetBlockWidth(Format);
uint blkHeight = GetBlockHeight(Format);
uint blkDepth = GetBlockDepth(Format);
uint blockHeight = TegraX1Swizzle.GetBlockHeight(TegraX1Swizzle.DIV_ROUND_UP(Height, blkHeight));
uint BlockHeightLog2 = (uint)Convert.ToString(blockHeight, 2).Length - 1;
uint Pitch = 0;
uint DataAlignment = 512;
int linesPerBlockHeight = (1 << (int)BlockHeightLog2) * 8;
uint ArrayCount = (uint)mipSizes.Count;
uint ArrayOffset = 0;
for (int arrayLevel = 0; arrayLevel < ArrayCount; arrayLevel++)
{
uint SurfaceSize = 0;
int blockHeightShift = 0;
uint[] MipOffsets = new uint[MipCount];
for (int mipLevel = 0; mipLevel < MipCount; mipLevel++)
{
uint width = (uint)Math.Max(1, Width >> mipLevel);
uint height = (uint)Math.Max(1, Height >> mipLevel);
uint depth = (uint)Math.Max(1, Depth >> mipLevel);
uint size = TegraX1Swizzle.DIV_ROUND_UP(width, blkWidth) * TegraX1Swizzle.DIV_ROUND_UP(height, blkHeight) * bpp;
if (TegraX1Swizzle.pow2_round_up(TegraX1Swizzle.DIV_ROUND_UP(height, blkWidth)) < linesPerBlockHeight)
{
blockHeightShift += 1;
}
uint width__ = TegraX1Swizzle.DIV_ROUND_UP(width, blkWidth);
uint height__ = TegraX1Swizzle.DIV_ROUND_UP(height, blkHeight);
//Calculate the mip size instead
byte[] AlignedData = new byte[(TegraX1Swizzle.round_up(SurfaceSize, DataAlignment) - SurfaceSize)];
SurfaceSize += (uint)AlignedData.Length;
MipOffsets[mipLevel] = (SurfaceSize);
//Get the first mip offset and current one and the total image size
int msize = (int)((MipOffsets[0] + ImageData.Length - MipOffsets[mipLevel]) / ArrayCount);
Pitch = TegraX1Swizzle.round_up(width__ * bpp, 64);
SurfaceSize += Pitch * TegraX1Swizzle.round_up(height__, Math.Max(1, blockHeight >> blockHeightShift) * 8);
}
ArrayOffset += (uint)(ImageData.Length / ArrayCount);
MipMapSizes.Add(MipOffsets);
}
return(MipMapSizes);
}