static unsafe void CompressMasked(byte[] rgba, int mask, byte *pBlock, SquishFlags flags)
{
// fix any bad flags
flags = FixFlags(flags);
// get the block locations
byte *colourBlock = pBlock;
byte *alphaBock = pBlock;
if ((flags & (SquishFlags.kDxt3 | SquishFlags.kDxt5)) != 0)
{
colourBlock = pBlock + 8;
}
// create the minimal point set
ColourSet colours = new ColourSet(rgba, mask, flags);
// check the compression type and compress colour
if (colours.GetCount() == 1)
{
// always do a single colour fit
SingleColourFit fit = new SingleColourFit(colours, flags);
fit.Compress(colourBlock);
}
else if ((flags & SquishFlags.kColourRangeFit) != 0 || colours.GetCount() == 0)
{
// do a range fit
RangeFit fit = new RangeFit(colours, flags);
fit.Compress(colourBlock);
}
else
{
// default to a cluster fit (could be iterative or not)
ClusterFit fit = new ClusterFit(colours, flags);
fit.Compress(colourBlock);
}
// compress alpha separately if necessary
if ((flags & SquishFlags.kDxt3) != 0)
{
alpha.CompressAlphaDxt3(rgba, mask, alphaBock);
}
else if ((flags & SquishFlags.kDxt5) != 0)
{
alpha.CompressAlphaDxt5(rgba, mask, alphaBock);
}
}
static unsafe void CompressMasked(byte[] rgba, int mask, byte* pBlock, SquishFlags flags)
{
// fix any bad flags
flags = FixFlags(flags);
// get the block locations
byte* colourBlock = pBlock;
byte* alphaBock = pBlock;
if ((flags & (SquishFlags.kDxt3 | SquishFlags.kDxt5)) != 0)
colourBlock = pBlock + 8;
// create the minimal point set
ColourSet colours = new ColourSet(rgba, mask, flags);
// check the compression type and compress colour
if (colours.GetCount() == 1)
{
// always do a single colour fit
SingleColourFit fit = new SingleColourFit(colours, flags);
fit.Compress(colourBlock);
}
else if ((flags & SquishFlags.kColourRangeFit) != 0 || colours.GetCount() == 0)
{
// do a range fit
RangeFit fit = new RangeFit(colours, flags);
fit.Compress(colourBlock);
}
else
{
// default to a cluster fit (could be iterative or not)
ClusterFit fit = new ClusterFit(colours, flags);
fit.Compress(colourBlock);
}
// compress alpha separately if necessary
if ((flags & SquishFlags.kDxt3) != 0)
{
alpha.CompressAlphaDxt3(rgba, mask, alphaBock);
}
else if ((flags & SquishFlags.kDxt5) != 0)
{
alpha.CompressAlphaDxt5(rgba, mask, alphaBock);
}
}