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Hack around font problem that caused Dissidia to crash with fastmem (calling the supplied alloc fails).

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This commit is contained in:
Henrik Rydgard 2013-03-03 14:29:03 +01:00
parent 1b1252b9ed
commit f72f471370
1 changed files with 19 additions and 6 deletions
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25
Core/HLE/sceFont.cpp
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@ -217,13 +217,23 @@ class FontLib {
public:
FontLib(u32 paramPtr) : fontHRes_(128.0f), fontVRes_(128.0f) {
Memory::ReadStruct(paramPtr, &params_);
fakeAlloc_ = 0x13370;
// We use the same strange scheme that JPCSP uses.
u32 allocSize = 4 + 4 * params_.numFonts;
PostAllocCallback *action = (PostAllocCallback*) __KernelCreateAction(actionPostAllocCallback);
action->SetFontLib(this);
u32 args[1] = { allocSize };
__KernelDirectMipsCall(params_.allocFuncAddr, action, args, 1, false);
if (false) {
// This fails in dissidia. The function at 088ff320 (params_.allocFuncAddr) calls some malloc function, the second one returns 0 which causes
// bad stores later. So we just ignore this with if (false) and fake it.
u32 args[1] = { allocSize };
__KernelDirectMipsCall(params_.allocFuncAddr, action, args, 1, false);
} else {
AllocDone(fakeAlloc_);
fakeAlloc_ += allocSize;
fontLibMap[handle()] = this;
INFO_LOG(HLE, "Leaving PostAllocCallback::run");
}
}
void Close() {
@ -232,7 +242,7 @@ public:
void Done() {
for (size_t i = 0; i < fonts_.size(); i++) {
if (Memory::Read_U32(fonts_[i]) == FONT_IS_OPEN) {
if (isfontopen_[i] == FONT_IS_OPEN) {
fontMap[fonts_[i]]->Close();
delete fontMap[fonts_[i]];
fontMap.erase(fonts_[i]);
@ -326,6 +336,8 @@ private:
int fileFontHandle_;
int handle_;
int altCharCode_;
u32 fakeAlloc_;
DISALLOW_COPY_AND_ASSIGN(FontLib);
};
@ -479,8 +491,9 @@ u32 sceFontNewLib(u32 paramPtr, u32 errorCodePtr) {
FontLib *newLib = new FontLib(paramPtr);
// The game should never see this value, the return value is replaced
// by the action.
return 0xDEADDEAD;
// by the action. Except if we disable the alloc, in this case we return
// the handle correctly here.
return newLib->handle();
}
return 0;