/**
* Ported from https://github.com/KillzXGaming/Switch-Toolbox
*/
public static byte[] GetImageData(SBSurface surface, byte[] ImageData, int ArrayLevel, int MipLevel, int MipCount, int target = 1)
{
uint bpp = TextureFormatInfo.GetBPP(surface.InternalFormat);
uint blkWidth = TextureFormatInfo.GetBlockWidth(surface.InternalFormat);
uint blkHeight = TextureFormatInfo.GetBlockHeight(surface.InternalFormat);
uint blkDepth = TextureFormatInfo.GetBlockDepth(surface.InternalFormat);
uint blockHeight = GetBlockHeight(DivRoundUp((uint)surface.Height, blkHeight));
int BlockHeightLog2 = Convert.ToString(blockHeight, 2).Length - 1;
uint Pitch = 0;
uint DataAlignment = 512;
uint TileMode = 0;
int linesPerBlockHeight = (1 << BlockHeightLog2) * 8;
uint ArrayOffset = 0;
for (int arrayLevel = 0; arrayLevel < surface.ArrayCount; arrayLevel++)
{
uint SurfaceSize = 0;
int blockHeightShift = 0;
List <uint> MipOffsets = new List <uint>();
for (int mipLevel = 0; mipLevel < MipCount; mipLevel++)
{
uint width = (uint)Math.Max(1, surface.Width >> mipLevel);
uint height = (uint)Math.Max(1, surface.Height >> mipLevel);
uint depth = (uint)Math.Max(1, surface.Depth >> mipLevel);
uint size = DivRoundUp(width, blkWidth) * DivRoundUp(height, blkHeight) * bpp;
if (Pow2RoundUp(DivRoundUp(height, blkWidth)) < linesPerBlockHeight)
{
blockHeightShift += 1;
}
//SBConsole.WriteLine(height + " " + blkWidth + " " + Pow2RoundUp(DivRoundUp(height, blkWidth)) + " " + blockHeight + " " + blockHeightShift + " " + linesPerBlockHeight + " " + BlockHeightLog2 + " " + (int)Math.Max(0, BlockHeightLog2 - blockHeightShift));
uint width__ = DivRoundUp(width, blkWidth);
uint height__ = DivRoundUp(height, blkHeight);
//Calculate the mip size instead
byte[] AlignedData = new byte[(RoundUp(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]) / surface.ArrayCount);
if (msize > ImageData.Length - (ArrayOffset + MipOffsets[mipLevel]))
{
msize = (int)(ImageData.Length - (ArrayOffset + MipOffsets[mipLevel]));
}
byte[] data_ = new byte[msize];
if (ArrayLevel == arrayLevel && MipLevel == mipLevel)
{
Array.Copy(ImageData, ArrayOffset + MipOffsets[mipLevel], data_, 0, msize);
}
try
{
Pitch = RoundUp(width__ * bpp, 64);
SurfaceSize += Pitch * RoundUp(height__, Math.Max(1, blockHeight >> blockHeightShift) * 8);
if (ArrayLevel == arrayLevel && MipLevel == mipLevel)
{
//SBConsole.WriteLine($"{width} {height} {blkWidth} {blkHeight} {target} {bpp} {TileMode} {(int)Math.Max(0, BlockHeightLog2 - blockHeightShift)} {data_.Length}");
byte[] result = Deswizzle(width, height, depth, blkWidth, blkHeight, blkDepth, target, bpp, TileMode, (int)Math.Max(0, BlockHeightLog2 - blockHeightShift), data_);
//Create a copy and use that to remove uneeded data
byte[] result_ = new byte[size];
Array.Copy(result, 0, result_, 0, size);
result = null;
return(result_);
}
}
catch (Exception e)
{
System.Windows.Forms.MessageBox.Show($"Failed to swizzle texture {surface.Name}!");
Console.WriteLine(e);
return(new byte[0]);
}
}
ArrayOffset += (uint)(ImageData.Length / surface.ArrayCount);
}
return(new byte[0]);
}
public static byte[] CreateBuffer(SBSurface surface, int target = 1)
{
List <byte> ImageData = new List <byte>();
if (surface.Arrays.Count == 0)
{
return(ImageData.ToArray());
}
var MipCount = surface.Arrays[0].Mipmaps.Count;
uint bpp = TextureFormatInfo.GetBPP(surface.InternalFormat);
uint blkWidth = TextureFormatInfo.GetBlockWidth(surface.InternalFormat);
uint blkHeight = TextureFormatInfo.GetBlockHeight(surface.InternalFormat);
uint blkDepth = TextureFormatInfo.GetBlockDepth(surface.InternalFormat);
uint blockHeight = GetBlockHeight(DivRoundUp((uint)surface.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 ArrayOffset = 0;
for (int arrayLevel = 0; arrayLevel < surface.Arrays.Count; arrayLevel++)
{
uint SurfaceSize = 0;
int blockHeightShift = 0;
List <uint> MipOffsets = new List <uint>();
for (int mipLevel = 0; mipLevel < MipCount; mipLevel++)
{
uint width = (uint)Math.Max(1, surface.Width >> mipLevel);
uint height = (uint)Math.Max(1, surface.Height >> mipLevel);
uint depth = (uint)Math.Max(1, surface.Depth >> mipLevel);
uint size = DivRoundUp(width, blkWidth) * DivRoundUp(height, blkHeight) * bpp;
if (Pow2RoundUp(DivRoundUp(height, blkWidth)) < linesPerBlockHeight)
{
blockHeightShift += 1;
}
uint width__ = DivRoundUp(width, blkWidth);
uint height__ = DivRoundUp(height, blkHeight);
//Calculate the mip size instead
byte[] AlignedData = new byte[(RoundUp(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] + surface.Arrays[arrayLevel].Mipmaps[mipLevel].Length - MipOffsets[mipLevel]) / surface.ArrayCount);
//try
{
Pitch = RoundUp(width__ * bpp, 64);
SurfaceSize += Pitch * RoundUp(height__, Math.Max(1, blockHeight >> blockHeightShift) * 8);
//Console.WriteLine($"{width} {height} {blkWidth} {blkHeight} {target} {bpp} {TileMode} {(int)Math.Max(0, BlockHeightLog2 - blockHeightShift)}");
var mipData = surface.Arrays[arrayLevel].Mipmaps[mipLevel];
/*byte[] padded = new byte[mipData.Length * 2];
* Array.Copy(mipData, 0, padded, 0, mipData.Length);
* mipData = padded;*/
byte[] result = Swizzle(width, height, depth, blkWidth, blkHeight, blkDepth, target, bpp, TileMode, (int)Math.Max(0, BlockHeightLog2 - blockHeightShift), mipData);
//Console.WriteLine(result.Length + " " + surface.Mipmaps[mipLevel].Length);
ImageData.AddRange(result);
}
/*catch (Exception e)
* {
* System.Windows.Forms.MessageBox.Show($"Failed to swizzle texture {surface.Name}!");
* Console.WriteLine(e);
*
* return new byte[0];
* }*/
}
// alignment
if (arrayLevel != surface.Arrays.Count - 1)
{
ImageData.AddRange(new byte[0x1000 - (ImageData.Count % 0x1000)]);
}
}
return(ImageData.ToArray());
}
