void hleLagSync(u64 userdata, int cyclesLate) {
// The goal here is to prevent network, audio, and input lag from the real world.
// Our normal timing is very "stop and go". This is efficient, but causes real world lag.
// This event (optionally) runs every 1ms to sync with the real world.
if (!FrameTimingThrottled()) {
lagSyncScheduled = false;
return;
}
float scale = 1.0f;
if (PSP_CoreParameter().fpsLimit == FPS_LIMIT_CUSTOM) {
// 0 is handled in FrameTimingThrottled().
scale = 60.0f / g_Config.iFpsLimit;
}
const double goal = lastLagSync + (scale / 1000.0f);
time_update();
// Don't lag too long ever, if they leave it paused.
while (time_now_d() < goal && goal < time_now_d() + 0.01) {
#ifndef _WIN32
const double left = goal - time_now_d();
usleep((long)(left * 1000000));
#endif
time_update();
}
const int emuOver = (int)cyclesToUs(cyclesLate);
const int over = (int)((time_now_d() - goal) * 1000000);
ScheduleLagSync(over - emuOver);
}
void hleAfterFlip(u64 userdata, int cyclesLate) {
gpu->BeginFrame(); // doesn't really matter if begin or end of frame.
// This seems like as good a time as any to check if the config changed.
if (lagSyncScheduled != g_Config.bForceLagSync) {
ScheduleLagSync();
}
}
void __DisplayInit() {
gpuStats.Reset();
hasSetMode = false;
mode = 0;
resumeMode = 0;
holdMode = 0;
brightnessLevel = 100;
width = 480;
height = 272;
numSkippedFrames = 0;
numVBlanksSinceFlip = 0;
framebufIsLatched = false;
framebuf.topaddr = 0x04000000;
framebuf.pspFramebufFormat = GE_FORMAT_8888;
framebuf.pspFramebufLinesize = 480; // ??
lastFlipCycles = 0;
lastFlipsTooFrequent = 0;
wasPaused = false;
enterVblankEvent = CoreTiming::RegisterEvent("EnterVBlank", &hleEnterVblank);
leaveVblankEvent = CoreTiming::RegisterEvent("LeaveVBlank", &hleLeaveVblank);
afterFlipEvent = CoreTiming::RegisterEvent("AfterFlip", &hleAfterFlip);
lagSyncEvent = CoreTiming::RegisterEvent("LagSync", &hleLagSync);
ScheduleLagSync();
CoreTiming::ScheduleEvent(msToCycles(frameMs - vblankMs), enterVblankEvent, 0);
isVblank = 0;
vCount = 0;
hCountBase = 0;
curFrameTime = 0.0;
nextFrameTime = 0.0;
lastFrameTime = 0.0;
flips = 0;
fps = 0.0;
actualFlips = 0;
lastActualFlips = 0;
lastNumFlips = 0;
fpsHistoryValid = 0;
fpsHistoryPos = 0;
InitGfxState();
__KernelRegisterWaitTypeFuncs(WAITTYPE_VBLANK, __DisplayVblankBeginCallback, __DisplayVblankEndCallback);
}
void __DisplayDoState(PointerWrap &p) {
auto s = p.Section("sceDisplay", 1, 6);
if (!s)
return;
p.Do(framebuf);
p.Do(latchedFramebuf);
p.Do(framebufIsLatched);
p.Do(frameStartTicks);
p.Do(vCount);
if (s <= 2) {
double oldHCountBase;
p.Do(oldHCountBase);
hCountBase = (int) oldHCountBase;
} else {
p.Do(hCountBase);
}
p.Do(isVblank);
p.Do(hasSetMode);
p.Do(mode);
p.Do(resumeMode);
p.Do(holdMode);
if (s >= 4) {
p.Do(brightnessLevel);
}
p.Do(width);
p.Do(height);
WaitVBlankInfo wvi(0);
p.Do(vblankWaitingThreads, wvi);
p.Do(vblankPausedWaits);
p.Do(enterVblankEvent);
CoreTiming::RestoreRegisterEvent(enterVblankEvent, "EnterVBlank", &hleEnterVblank);
p.Do(leaveVblankEvent);
CoreTiming::RestoreRegisterEvent(leaveVblankEvent, "LeaveVBlank", &hleLeaveVblank);
p.Do(afterFlipEvent);
CoreTiming::RestoreRegisterEvent(afterFlipEvent, "AfterFlip", &hleAfterFlip);
if (s >= 5) {
p.Do(lagSyncEvent);
p.Do(lagSyncScheduled);
CoreTiming::RestoreRegisterEvent(lagSyncEvent, "LagSync", &hleLagSync);
lastLagSync = real_time_now();
if (lagSyncScheduled != g_Config.bForceLagSync) {
ScheduleLagSync();
}
} else {
lagSyncEvent = CoreTiming::RegisterEvent("LagSync", &hleLagSync);
ScheduleLagSync();
}
p.Do(gstate);
gstate_c.DoState(p);
#ifndef _XBOX
if (s < 2) {
// This shouldn't have been savestated anyway, but it was.
// It's unlikely to overlap with the first value in gpuStats.
p.ExpectVoid(&gl_extensions.gpuVendor, sizeof(gl_extensions.gpuVendor));
}
#endif
if (s < 6) {
p.Do(gpuStats);
}
gpu->DoState(p);
ReapplyGfxState();
if (p.mode == p.MODE_READ) {
if (hasSetMode) {
gpu->InitClear();
}
gpu->SetDisplayFramebuffer(framebuf.topaddr, framebuf.pspFramebufLinesize, framebuf.pspFramebufFormat);
}
}