diff options
Diffstat (limited to 'indra/newview/llappviewer.cpp')
| -rw-r--r-- | indra/newview/llappviewer.cpp | 37 |
1 files changed, 12 insertions, 25 deletions
diff --git a/indra/newview/llappviewer.cpp b/indra/newview/llappviewer.cpp index ab87ff6d2c..1b1a47aa0d 100644 --- a/indra/newview/llappviewer.cpp +++ b/indra/newview/llappviewer.cpp @@ -393,7 +393,6 @@ static std::string gLaunchFileOnQuit; // Used on Win32 for other apps to identify our window (eg, win_setup) const char* const VIEWER_WINDOW_CLASSNAME = "Second Life"; -U64 fpsLimitSleepUntil = 0; // fps limiter : time until to render the frame again //---------------------------------------------------------------------------- @@ -1373,21 +1372,11 @@ bool LLAppViewer::frame() bool LLAppViewer::doFrame() { + static LLCachedControl<U32> fpsLimitMaxFps(gSavedSettings, "MaxFPS", 0); - // FPS Limit - - U64 fpsLimitNow = LLTrace::BlockTimer::getCPUClockCount64(); - U64 fpsLimitFrameStartTime = fpsLimitNow; - if(fpsLimitSleepUntil > 0) - { - if(fpsLimitSleepUntil > fpsLimitNow) return 0; - } - else - { - fpsLimitSleepUntil = 0; - } - - + U64 fpsLimitSleepFor = 0; + U64 fpsLimitFrameStartTime = 0; + if(fpsLimitMaxFps > 0) fpsLimitFrameStartTime = LLTrace::BlockTimer::getCPUClockCount64(); LL_RECORD_BLOCK_TIME(FTM_FRAME); { @@ -1559,24 +1548,17 @@ bool LLAppViewer::doFrame() } } - // fps limiter - - fpsLimitNow = LLTrace::BlockTimer::getCPUClockCount64(); - U64 fpsLimitFrameTime = fpsLimitNow - fpsLimitFrameStartTime; - static LLCachedControl<U32> fpsLimitMaxFps(gSavedSettings, "MaxFPS", 0); - if(fpsLimitMaxFps > 0) { + U64 fpsLimitFrameTime = LLTrace::BlockTimer::getCPUClockCount64() - fpsLimitFrameStartTime; U64 desired_time_ns = (U32)(1000000.f / fpsLimitMaxFps); - if(fpsLimitFrameTime < desired_time_ns) + if((fpsLimitFrameTime+1000) < desired_time_ns) { - U64 fpsLimitSleepUntil_for = desired_time_ns - fpsLimitFrameTime; - fpsLimitSleepUntil = LLTrace::BlockTimer::getCPUClockCount64() + fpsLimitSleepUntil_for; + fpsLimitSleepFor = (desired_time_ns - fpsLimitFrameTime - 1000) * 1.0; } } - { LL_PROFILE_ZONE_NAMED_CATEGORY_APP( "df pauseMainloopTimeout" ) pingMainloopTimeout("Main:Sleep"); @@ -1589,6 +1571,11 @@ bool LLAppViewer::doFrame() //LL_RECORD_BLOCK_TIME(SLEEP2); LL_PROFILE_ZONE_WARN( "Sleep2" ) + if(fpsLimitSleepFor) + { + usleep(fpsLimitSleepFor); + } + // yield some time to the os based on command line option static LLCachedControl<S32> yield_time(gSavedSettings, "YieldTime", -1); if(yield_time >= 0) |