public static byte[] GetImageData(Texture texture, byte[] ImageData, int ArrayLevel, int MipLevel, int DepthLevel, int target = 1, bool LinearTileMode = false)
{
uint blkHeight = GetBlockHeight(texture);
uint blkDepth = 1;
uint blockHeight = TegraX1Swizzle.GetBlockHeight(TegraX1Swizzle.DIV_ROUND_UP(texture.Height, blkHeight));
uint BlockHeightLog2 = (uint)Convert.ToString(blockHeight, 2).Length - 1;
return(GetImageData(texture, ImageData, ArrayLevel, MipLevel, DepthLevel, BlockHeightLog2, target, LinearTileMode));
}
public static byte[] GetImageData(Texture texture, byte[] ImageData, int ArrayLevel, int MipLevel, int DepthLevel, uint BlockHeightLog2, int target = 1, bool LinearTileMode = false)
{
uint bpp = GetBytesPerPixel(texture);
uint blkWidth = GetBlockWidth(texture);
uint blkHeight = GetBlockHeight(texture);
uint blkDepth = 1;
uint blockHeight = TegraX1Swizzle.GetBlockHeight(TegraX1Swizzle.DIV_ROUND_UP(texture.Height, blkHeight));
uint Pitch = 0;
uint DataAlignment = 512;
uint TileMode = 0;
if (LinearTileMode)
{
TileMode = 1;
}
uint numDepth = 1;
if (texture.Depth > 1)
{
numDepth = texture.Depth;
}
int linesPerBlockHeight = (1 << (int)BlockHeightLog2) * 8;
uint ArrayOffset = 0;
for (int depthLevel = 0; depthLevel < numDepth; depthLevel++)
{
for (int arrayLevel = 0; arrayLevel < texture.ArrayLength; arrayLevel++)
{
uint SurfaceSize = 0;
int blockHeightShift = 0;
List <uint> MipOffsets = new List <uint>();
for (int mipLevel = 0; mipLevel < texture.MipCount; mipLevel++)
{
uint width = (uint)Math.Max(1, texture.Width >> mipLevel);
uint height = (uint)Math.Max(1, texture.Height >> mipLevel);
uint depth = (uint)Math.Max(1, texture.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]) / texture.ArrayLength);
byte[] data_ = ByteUtils.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);
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 && DepthLevel == depthLevel)
{
return(result_);
}
}
catch (Exception e)
{
Console.WriteLine($"Failed to swizzle texture {texture.Name}!");
Console.WriteLine(e);
return(new byte[0]);
}
}
ArrayOffset += (uint)(ImageData.Length / texture.ArrayLength);
}
}
return(new byte[0]);
}
