public ICompressedImage Compress(IUncompressedImage image, IBlockCompressionFormat format)
{
if (!AreDimensionsMultipleOfFour(image))
{
throw new InvalidOperationException("Only textures with dimensions that are multiples of " +
$"{BlockFormat.Dimension} can be block compressed.");
}
Logger.Default.Log("Compressing BMP to DDS.");
var dds = DDSImage.CreateEmpty(image.Width, image.Height, format);
int numberOfVerticalBlocks = image.Height / BlockFormat.Dimension;
int numberOfHorizontalBlocks = image.Width / BlockFormat.Dimension;
int numberOfBlocks = numberOfVerticalBlocks * numberOfHorizontalBlocks;
Parallel.For(0, numberOfBlocks,
#if DEBUG
RunInSingleThread,
#endif
(i) =>
{
var blockIndex = PointUtility.FromRowMajor(i, numberOfHorizontalBlocks);
var blockColors = image.GetBlockColors(blockIndex);
var blockData = format.Compress(blockColors);
dds.SetBlockData(blockIndex, blockData);
});
Logger.Default.Log("Compression successful.");
return(dds);
}
public static ICompressedImage Compress(IUncompressedImage bitmap, IBlockCompressionFormat format)
{
using (Profiler.MeasureTime())
{
return(new BlockCompressor().Compress(bitmap, format));
}
}
