mirror of
https://github.com/ZDoom/raze-gles.git
synced 2024-11-11 07:11:39 +00:00
Add a profiling option to the 'demo' OSD command.
See the comment in source/osdcmds.c for instructions on its usage. git-svn-id: https://svn.eduke32.com/eduke32@3021 1a8010ca-5511-0410-912e-c29ae57300e0
This commit is contained in:
helixhorned
parent
6389874b5d
commit
95d11b9703
5 changed files with 217 additions and 16 deletions
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@ -825,7 +825,6 @@ void sampletimer(void)
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int32_t n;
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if (!timerfreq) return;
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i = SDL_GetTicks();
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n = (int32_t)(i * timerticspersec / timerfreq) - timerlastsample;
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if (n>0)
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@ -227,10 +227,13 @@ error_wopen_demo:
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g_demo_cnt = 1;
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}
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static int32_t g_demo_playFirstFlag = 0;
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void Demo_PlayFirst(void)
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// demo_profile: < 0: prepare
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static int32_t g_demo_playFirstFlag, g_demo_profile, g_demo_stopProfile;
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void Demo_PlayFirst(int32_t prof)
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{
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g_demo_playFirstFlag = 1;
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Bassert(prof >= 0);
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g_demo_profile = -prof; // prepare
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}
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@ -355,6 +358,106 @@ static int32_t Demo_ReadSync(int32_t errcode)
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return 0;
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}
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////////// DEMO PROFILING (TIMEDEMO MODE) //////////
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static struct {
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int32_t numtics, numframes;
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double totalgamems;
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double totalroomsdrawms, totalrestdrawms;
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double starthitickms;
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} g_prof;
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int32_t Demo_IsProfiling(void)
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{
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return (g_demo_profile > 0);
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}
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void Demo_StopProfiling(void)
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{
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g_demo_stopProfile = 1;
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}
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static void Demo_GToc(double t)
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{
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g_prof.numtics++;
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g_prof.totalgamems += gethitickms()-t;
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}
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static void Demo_RToc(double t1, double t2)
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{
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g_prof.numframes++;
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g_prof.totalroomsdrawms += t2-t1;
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g_prof.totalrestdrawms += gethitickms()-t2;
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}
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static void Demo_DisplayProfStatus(void)
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{
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char buf[64];
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static int32_t lastpercent=-1;
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int32_t percent = (100*g_demo_cnt)/g_demo_totalCnt;
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if (lastpercent == percent)
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return;
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lastpercent = percent;
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clearallviews(0);
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Bsnprintf(buf, sizeof(buf), "timing... %d/%d game tics (%d %%)",
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g_demo_cnt, g_demo_totalCnt, percent);
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gametext(160,60, buf, 0, 2+8+16);
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nextpage();
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}
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static void Demo_SetupProfile(void)
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{
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g_demo_profile *= -1; // now >0: profile for real
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g_demo_soundToggle = ud.config.SoundToggle;
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ud.config.SoundToggle = 0; // restored by Demo_FinishProfile()
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Bmemset(&g_prof, 0, sizeof(g_prof));
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g_prof.starthitickms = gethitickms();
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}
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static void Demo_FinishProfile(void)
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{
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if (Demo_IsProfiling())
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{
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int32_t dn=g_whichDemo-1;
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int32_t nt=g_prof.numtics, nf=g_prof.numframes;
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double gms=g_prof.totalgamems;
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double dms1=g_prof.totalroomsdrawms, dms2=g_prof.totalrestdrawms;
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ud.config.SoundToggle = g_demo_soundToggle;
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if (nt > 0)
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{
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OSD_Printf("== demo %d: %d gametics\n", dn, nt);
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OSD_Printf("== demo %d game times: %.03f ms (%.03f us/gametic)\n",
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dn, gms, (gms*1000.0)/nt);
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}
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if (nf > 0)
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{
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OSD_Printf("== demo %d: %d frames (%d frames/gametic)\n", dn, nf, g_demo_profile-1);
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OSD_Printf("== demo %d drawrooms times: %.03f s (%.03f ms/frame)\n",
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dn, dms1/1000.0, dms1/nf);
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OSD_Printf("== demo %d drawrest times: %.03f s (%.03f ms/frame)\n",
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dn, dms2/1000.0, dms2/nf);
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}
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{
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double totalprofms = gms+dms1+dms2;
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double totalms = gethitickms()-g_prof.starthitickms;
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OSD_Printf("== demo %d: non-profiled time overhead: %.02f %%\n",
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dn, 100.0*totalms/totalprofms - 100.0);
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}
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}
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g_demo_profile = 0;
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g_demo_stopProfile = 0;
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}
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////////////////////
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int32_t G_PlaybackDemo(void)
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{
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@ -366,6 +469,8 @@ int32_t G_PlaybackDemo(void)
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if (ready2send)
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return 0;
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g_demo_profile = 0;
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RECHECK:
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#if KRANDDEBUG
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@ -421,6 +526,10 @@ RECHECK:
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#if KRANDDEBUG
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krd_enable(2);
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#endif
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if (g_demo_profile < 0)
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{
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Demo_SetupProfile();
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}
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}
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if (foundemo == 0 || in_menu || I_CheckAllInput() || numplayers > 1)
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@ -447,6 +556,7 @@ RECHECK:
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{
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g_demo_playFirstFlag = 0;
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g_whichDemo = 1; // force g_firstDemoFile[]
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g_demo_paused = 0;
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goto nextdemo_nomenu;
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}
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@ -493,6 +603,9 @@ RECHECK:
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Demo_RestoreModes(menu);
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}
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if (g_demo_stopProfile)
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Demo_FinishProfile();
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while (totalclock >= (lockclock+TICSPERFRAME)
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// || (ud.reccnt > REALGAMETICSPERSEC*2 && ud.pause_on)
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|| (g_demo_goalCnt>0 && g_demo_cnt<g_demo_goalCnt))
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@ -576,6 +689,8 @@ nextdemo_nomenu:
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ud.config.SoundToggle = g_demo_soundToggle;
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}
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if (Demo_IsProfiling()) // don't reset g_demo_profile if it's < 0
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Demo_FinishProfile();
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goto RECHECK;
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}
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}
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@ -592,15 +707,25 @@ nextdemo_nomenu:
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g_demo_cnt++;
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if (!g_demo_paused)
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if (Demo_IsProfiling())
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{
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int32_t t = gethitickms();
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G_DoMoveThings();
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Demo_GToc(t);
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}
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else if (!g_demo_paused)
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{
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// assumption that ud.multimode doesn't change in a demo may not be true
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// sometime in the future v v v v v v v v v
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if (g_demo_goalCnt==0 || !demo_hasdiffs || ud.reccnt/ud.multimode>=g_demo_goalCnt-g_demo_cnt)
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{
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G_DoMoveThings(); // increases lockclock by TICSPERFRAME
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}
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else
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{
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lockclock += TICSPERFRAME;
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}
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}
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else
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{
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int32_t k = ud.config.SoundToggle;
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@ -631,6 +756,9 @@ nextdemo_nomenu:
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totalclock = lockclock;
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}
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if (Demo_IsProfiling())
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totalclock += TICSPERFRAME;
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if (foundemo == 0)
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{
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G_DrawBackground();
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@ -640,6 +768,9 @@ nextdemo_nomenu:
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static uint32_t nextrender = 0, framewaiting = 0;
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uint32_t tt;
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// NOTE: currently, no key/mouse events will be seen while
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// demo-profiling because we need 'totalclock' for ourselves.
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// And handleevents() -> sampletimer() would mess that up.
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G_HandleLocalKeys();
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if (framewaiting)
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@ -657,7 +788,41 @@ nextdemo_nomenu:
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tt = getticks();
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if (r_maxfps == 0 || tt >= nextrender)
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// Render one frame (potentially many if profiling)
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if (Demo_IsProfiling())
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{
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int32_t i, num = g_demo_profile-1;
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Bassert(totalclock-ototalclock==4);
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for (i=0; i<num; i++)
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{
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double t1 = gethitickms(), t2;
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// initprintf("t=%d, o=%d, t-o = %d\n", totalclock,
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// ototalclock, totalclock-ototalclock);
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// NOTE: G_DrawRooms() calculates smoothratio inside and
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// ignores the function argument, so we set totalclock
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// accordingly.
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j = (i<<16)/num;
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totalclock = ototalclock + (j>>16);
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G_DrawRooms(screenpeek,j);
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t2 = gethitickms();
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G_DisplayRest(j);
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Demo_RToc(t1, t2);
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}
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totalclock = ototalclock+4;
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// draw status
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Demo_DisplayProfStatus();
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}
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else if (r_maxfps == 0 || tt >= nextrender)
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{
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if (tt > nextrender+g_frameDelay)
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nextrender = tt;
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@ -674,7 +839,7 @@ nextdemo_nomenu:
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framewaiting++;
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}
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if ((g_player[myconnectindex].ps->gm&MODE_MENU) == 0)
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if (!Demo_IsProfiling() && (g_player[myconnectindex].ps->gm&MODE_MENU) == 0)
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{
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if (demoplay_showsync && outofsync)
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gametext(160,100,"OUT OF SYNC",0,2+8+16);
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@ -717,7 +882,10 @@ nextdemo_nomenu:
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}
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if ((g_player[myconnectindex].ps->gm&MODE_MENU) && (g_player[myconnectindex].ps->gm&MODE_EOL))
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{
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Demo_FinishProfile();
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goto RECHECK;
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}
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if (I_EscapeTrigger() && (g_player[myconnectindex].ps->gm&MODE_MENU) == 0 && (g_player[myconnectindex].ps->gm&MODE_TYPE) == 0)
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{
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@ -729,7 +897,12 @@ nextdemo_nomenu:
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S_MenuSound();
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}
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if (g_player[myconnectindex].ps->gm&MODE_TYPE)
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if (Demo_IsProfiling())
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{
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// Do nothing: sampletimer() is reached from M_DisplayMenus() ->
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// Net_GetPackets() else.
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}
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else if (g_player[myconnectindex].ps->gm&MODE_TYPE)
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{
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Net_EnterMessage();
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@ -756,6 +929,7 @@ nextdemo_nomenu:
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}
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}
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if (!Demo_IsProfiling())
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G_PrintGameQuotes(screenpeek);
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if (ud.last_camsprite != ud.camerasprite)
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@ -770,6 +944,9 @@ nextdemo_nomenu:
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rotatesprite_fs((320-50)<<16,9<<16,65536L,0,BETAVERSION,0,0,2+8+16+128);
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}
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// NOTE: We must prevent handleevents() and Net_GetPackets() from
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// updating totalclock when profiling (both via sampletimer()):
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if (!Demo_IsProfiling())
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G_HandleAsync();
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if (ud.recstat==0)
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@ -794,6 +971,8 @@ nextdemo_nomenu:
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ud.multimode = numplayers; // fixes 2 infinite loops after watching demo
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kclose(g_demo_recFilePtr); g_demo_recFilePtr = -1;
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Demo_FinishProfile();
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// if we're in the menu, try next demo immediately
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if (g_player[myconnectindex].ps->gm&MODE_MENU)
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goto RECHECK;
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@ -48,7 +48,10 @@ void G_CloseDemoWrite(void);
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void G_DemoRecord(void);
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void G_OpenDemoWrite(void);
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void Demo_PlayFirst(void);
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void Demo_PlayFirst(int32_t prof);
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int32_t Demo_IsProfiling(void);
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void Demo_StopProfiling(void);
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#if KRANDDEBUG
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int32_t krd_print(const char *filename);
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@ -3021,10 +3021,13 @@ void G_DisplayRest(int32_t smoothratio)
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rotatesprite_fs((320-50)<<16,9<<16,65536L,0,BETAVERSION,0,0,2+8+16+128);
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}
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if (!Demo_IsProfiling())
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{
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if (g_player[myconnectindex].ps->gm&MODE_TYPE)
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Net_EnterMessage();
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else
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M_DisplayMenus();
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}
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{
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static int32_t applied = 0;
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@ -287,6 +287,22 @@ static int32_t osdcmd_map(const osdfuncparm_t *parm)
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return OSDCMD_OK;
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}
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// demo <demonum or demofn> [<prof>]
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//
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// To profile a demo ("timedemo mode"), <prof> can be given in the range 0-8,
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// which will start to replay it as fast as possible, rendering <prof> frames
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// for each gametic.
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//
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// Notes:
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// * The demos should be recorded with demorec_diffs set to 0, so that the
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// game state updates are actually computed.
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// * There's currently no way to abort the profiling.
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// * With <prof> greater than 1, interpolation should be calculated properly,
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// though this has not been verified by looking at the frames.
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// * When testing whether a change in the source has an effect on performance,
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// the variance of the run times MUST be taken into account (that is, the
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// replaying must be performed multiple times for the old and new versions,
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// etc.)
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static int32_t osdcmd_demo(const osdfuncparm_t *parm)
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{
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if (numplayers > 1)
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@ -301,20 +317,21 @@ static int32_t osdcmd_demo(const osdfuncparm_t *parm)
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return OSDCMD_OK;
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}
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if (parm->numparms != 1)
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if (parm->numparms != 1 && parm->numparms != 2)
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return OSDCMD_SHOWHELP;
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{
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char *tailptr;
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const char *demostr = parm->parms[0];
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int32_t i = Bstrtol(demostr, &tailptr, 10);
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int32_t prof = parm->numparms==2 ? Batoi(parm->parms[1]) : -1;
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if (tailptr!=demostr && i>=0 && i<=999) // demo number passed
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Bsprintf(g_firstDemoFile, "edemo%03d.edm", i);
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else // demo file name passed
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maybe_append_ext(g_firstDemoFile, sizeof(g_firstDemoFile), parm->parms[0], ".edm");
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Demo_PlayFirst();
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Demo_PlayFirst(clamp(prof, -1, 8)+1);
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}
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return OSDCMD_OK;
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