Nyaaori/gamescope
1
0
Fork 0
Code Issues Pull requests Projects Releases 1 Packages Wiki Activity

steamcompmgr: Only allow one latent buffer when falling behind

Browse source
This commit is contained in:
Joshua Ashton 2022-02-12 09:10:55 +00:00
parent a1fa55c3a3
commit 70442294c0
1 changed files with 15 additions and 2 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

13
src/steamcompmgr.cpp
View file

@ -237,6 +237,9 @@ static const uint64_t g_uDynamicRefreshDelay = 600'000'000; // 600ms
bool g_bFSRActive = false;
int g_nAppBufferCount = 0;
int g_nMaxAppBufferCount = 0;
bool steamcompmgr_window_should_limit_fps( win *w )
{
return g_nSteamCompMgrTargetFPS != 0 && w && !w->isSteam && w->appID != 769 && !w->isOverlay && !w->isExternalOverlay;
@ -245,14 +248,22 @@ bool steamcompmgr_window_should_limit_fps( win *w )
void steamcompmgr_fpslimit_add_commit( std::shared_ptr<commit_t> commit )
{
std::unique_lock<std::mutex> lock(g_FrameLimitCommitsMutex);
g_nAppBufferCount++;
g_nMaxAppBufferCount = std::max( g_nMaxAppBufferCount, g_nAppBufferCount );
g_FrameLimitCommits.push( commit );
}
void steamcompmgr_fpslimit_release_commit()
{
std::unique_lock<std::mutex> lock(g_FrameLimitCommitsMutex);
// Only allow 1 latent buffer -- essentially go to only "double
// buffering" when we are falling behind.
if ( g_nAppBufferCount >= g_nMaxAppBufferCount - 1 )
{
if ( !g_FrameLimitCommits.empty() )
g_FrameLimitCommits.pop();
g_nAppBufferCount--;
}
}
@ -260,6 +271,8 @@ void steamcompmgr_fpslimit_release_all()
{
std::unique_lock<std::mutex> lock(g_FrameLimitCommitsMutex);
g_FrameLimitCommits = std::queue< std::shared_ptr<commit_t> >();
g_nAppBufferCount = 0;
g_nMaxAppBufferCount = 0;
}
void steamcompmgr_set_target_fps( int nTarget )