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Improve vid_fps stats

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This commit is contained in:
Magnus Norddahl 2023-05-06 04:52:56 +02:00 committed by Christoph Oelckers
parent 795c0d90de
commit e4578a7626
3 changed files with 30 additions and 16 deletions
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2
src/common/rendering/v_video.h
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@ -276,8 +276,8 @@ public:
static float GetZNear() { return 5.f; }
static float GetZFar() { return 65536.f; }
// The original size of the framebuffer as selected in the video menu.
uint64_t FrameTime = 0;
uint64_t FrameTimeNS = 0;
private:
uint64_t fpsLimitTime = 0;

1
src/common/startscreen/startscreen.cpp
View file

@ -659,6 +659,7 @@ void FStartScreen::Render(bool force)
if (nowtime - screen->FrameTime > 30 || force)
{
screen->FrameTime = nowtime;
screen->FrameTimeNS = I_nsTime();
screen->BeginFrame();
twod->ClearClipRect();
I_GetEvent();

43
src/d_main.cpp
View file

@ -773,33 +773,45 @@ static void DrawPaletteTester(int paletteno)
// Draws the fps counter, dot ticker, and palette debug.
//
//==========================================================================
uint64_t LastFPS, LastMSCount;
uint64_t LastFPS, LastAvgNSCount, LastMaxNSCount, LastMinNSCount;
void CalcFps()
{
static uint64_t LastMS = 0, LastSec = 0, FrameCount = 0, LastTic = 0;
static uint64_t LastNS = 0, LastStart = 0, FrameCount = 0, AccumNS = 0, MaxNS = 0, MinNS = 0xffff'ffff'ffffULL;
uint64_t ms = screen->FrameTime;
uint64_t howlong = ms - LastMS;
uint64_t ns = screen->FrameTimeNS;
uint64_t howlong = ns - LastNS;
if ((signed)howlong > 0) // do this only once per frame.
{
uint32_t thisSec = (uint32_t)(ms / 1000);
if (LastSec < thisSec)
{
LastFPS = FrameCount / (thisSec - LastSec);
LastSec = thisSec;
FrameCount = 0;
}
FrameCount++;
LastMS = ms;
LastMSCount = howlong;
// Wait until at least a second has elapsed
if (LastStart / 1'000'000'000ULL < ns / 1'000'000'000ULL)
{
LastFPS = (FrameCount * 1'000'000'000ULL + 100'000'000ULL) / (ns - LastStart);
LastStart = ns;
LastAvgNSCount = AccumNS / FrameCount;
LastMaxNSCount = MaxNS;
LastMinNSCount = MinNS;
FrameCount = 0;
AccumNS = 0;
MaxNS = 0;
MinNS = 0xffff'ffff'ffffULL;
}
LastNS = ns;
AccumNS += howlong;
MaxNS = std::max(MaxNS, howlong);
MinNS = std::min(MinNS, howlong);
}
}
ADD_STAT(fps)
{
CalcFps();
return FStringf("%2llu ms (%3llu fps)", (unsigned long long)LastMSCount , (unsigned long long)LastFPS);
return FStringf("%2llu.%llu ms avg (%4llu fps), %2llu.%llu ms max, %2llu.%llu ms min",
(unsigned long long)(LastAvgNSCount / 1'000'000ULL), (unsigned long long)(LastAvgNSCount / 100'000ULL % 10), (unsigned long long)LastFPS,
(unsigned long long)(LastMaxNSCount / 1'000'000ULL), (unsigned long long)(LastMaxNSCount / 100'000ULL % 10),
(unsigned long long)(LastMinNSCount / 1'000'000ULL), (unsigned long long)(LastMinNSCount / 100'000ULL % 10));
}
static void DrawRateStuff()
@ -815,7 +827,7 @@ static void DrawRateStuff()
int rate_x;
int textScale = active_con_scale(twod);
chars = mysnprintf(fpsbuff, countof(fpsbuff), "%2llu ms (%3llu fps)", (unsigned long long)LastMSCount, (unsigned long long)LastFPS);
chars = mysnprintf(fpsbuff, countof(fpsbuff), "%2llu.%llu ms (%4llu fps)", (unsigned long long)(LastAvgNSCount / 1'000'000ULL), (unsigned long long)(LastAvgNSCount / 100'000ULL % 10), (unsigned long long)LastFPS);
rate_x = screen->GetWidth() / textScale - NewConsoleFont->StringWidth(&fpsbuff[0]);
ClearRect(twod, rate_x * textScale, 0, screen->GetWidth(), NewConsoleFont->GetHeight() * textScale, GPalette.BlackIndex, 0);
DrawText(twod, NewConsoleFont, CR_WHITE, rate_x, 0, (char*)&fpsbuff[0],
@ -977,6 +989,7 @@ void D_Display ()
}
screen->FrameTime = I_msTimeFS();
screen->FrameTimeNS = I_nsTime();
TexAnim.UpdateAnimations(screen->FrameTime);
R_UpdateSky(screen->FrameTime);
screen->BeginFrame();