private T ReadObjectFromSharedMemory <T>(ulong offset, ulong padding) where T : unmanaged
{
T result;
uint index;
uint possiblyNewIndex;
do
{
index = _timeSharedMemoryStorage.GetRef <uint>(offset);
ulong objectOffset = offset + 4 + padding + (ulong)((index & 1) * Unsafe.SizeOf <T>());
result = _timeSharedMemoryStorage.GetRef <T>(objectOffset);
Thread.MemoryBarrier();
possiblyNewIndex = _device.Memory.Read <uint>(offset);
} while (index != possiblyNewIndex);
return(result);
}
public void EnsureInitialized(ContentManager contentManager)
{
if (_fontData == null)
{
_storage.ZeroFill();
uint fontOffset = 0;
FontInfo CreateFont(string name)
{
if (contentManager.TryGetFontTitle(name, out ulong fontTitle) && contentManager.TryGetFontFilename(name, out string fontFilename))
{
string contentPath = contentManager.GetInstalledContentPath(fontTitle, StorageId.BuiltInSystem, NcaContentType.Data);
string fontPath = _device.FileSystem.SwitchPathToSystemPath(contentPath);
if (!string.IsNullOrWhiteSpace(fontPath))
{
byte[] data;
using (IStorage ncaFileStream = new LocalStorage(fontPath, FileAccess.Read, FileMode.Open))
{
Nca nca = new Nca(_device.System.KeySet, ncaFileStream);
IFileSystem romfs = nca.OpenFileSystem(NcaSectionType.Data, _device.System.FsIntegrityCheckLevel);
using var fontFile = new UniqueRef <IFile>();
romfs.OpenFile(ref fontFile.Ref(), ("/" + fontFilename).ToU8Span(), OpenMode.Read).ThrowIfFailure();
data = DecryptFont(fontFile.Get.AsStream());
}
FontInfo info = new FontInfo((int)fontOffset, data.Length);
WriteMagicAndSize(fontOffset, data.Length);
fontOffset += 8;
uint start = fontOffset;
for (; fontOffset - start < data.Length; fontOffset++)
{
_storage.GetRef <byte>(fontOffset) = data[fontOffset - start];
}
return(info);
}
else
{
if (!contentManager.TryGetSystemTitlesName(fontTitle, out string titleName))
{
titleName = "Unknown";
}
throw new InvalidSystemResourceException($"{titleName} ({fontTitle:x8}) system title not found! This font will not work, provide the system archive to fix this error. (See https://github.com/Ryujinx/Ryujinx#requirements for more information)");
}
}
else
{
throw new ArgumentException($"Unknown font \"{name}\"!");
}
}
_fontData = new Dictionary <SharedFontType, FontInfo>
{
{ SharedFontType.JapanUsEurope, CreateFont("FontStandard") },
{ SharedFontType.SimplifiedChinese, CreateFont("FontChineseSimplified") },
{ SharedFontType.SimplifiedChineseEx, CreateFont("FontExtendedChineseSimplified") },
{ SharedFontType.TraditionalChinese, CreateFont("FontChineseTraditional") },
{ SharedFontType.Korean, CreateFont("FontKorean") },
{ SharedFontType.NintendoEx, CreateFont("FontNintendoExtended") }
};
if (fontOffset > Horizon.FontSize)
{
throw new InvalidSystemResourceException("The sum of all fonts size exceed the shared memory size. " +
$"Please make sure that the fonts don't exceed {Horizon.FontSize} bytes in total. (actual size: {fontOffset} bytes).");
}
}
}