ilikecats/stk-code_catmod
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Implemented FPS display. Limited FPS in menus where it's really not necessary to push the graphics card hard

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git-svn-id: svn+ssh://svn.code.sf.net/p/supertuxkart/code/main/branches/irrlicht@3676 178a84e3-b1eb-0310-8ba1-8eac791a3b58
This commit is contained in:
auria
2009-06-29 01:40:15 +00:00
parent ac66e015c9
commit 555a6cb8e8
4 changed files with 32 additions and 31 deletions
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18
src/main_loop.cpp
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@@ -81,16 +81,16 @@ void MainLoop::run()
if(dt > max_elapsed_time) dt=max_elapsed_time;
// Throttle fps if more than maximum, which can reduce
// the noise the fan on a graphics card makes
if( dt*UserConfigParams::m_max_fps < 1000.0f)
// the noise the fan on a graphics card makes.
// When in menus, reduce FPS much, it's not necessary to push to the maximum for plain menus
const int max_fps = StateManager::isGameState() ? UserConfigParams::m_max_fps : 35;
const int current_fps = 1000/dt;
if( current_fps > max_fps )
{
//SDL_Delay has a granularity of 10ms on most platforms, so
//most likely when frames go faster than 125 frames, at times
//it might limit the frames to even 55 frames. On some cases,
//SDL_Delay(1) will just cause the program to give up the
//rest of it's timeslice.
// FIXME - implement with non-SDL code
// SDL_Delay(1);
int wait_time = 1000/max_fps - 1000/current_fps;
if(wait_time < 1) wait_time = 1;
irr_driver->getDevice()->sleep(wait_time);
}
else break;
}