a8592be47d
Avoids getting into a feedback loop with clocks when we need to composite. Fixes stutter when using FSR on Steam Deck.
16 lines
590 B
C++
16 lines
590 B
C++
// Try to figure out when vblank is and notify steamcompmgr to render some time before it
|
|
|
|
int vblank_init( void );
|
|
|
|
void vblank_mark_possible_vblank( uint64_t nanos );
|
|
|
|
extern std::atomic<uint64_t> g_uVblankDrawTimeNS;
|
|
|
|
const unsigned int g_uDefaultVBlankRedZone = 1'650'000;
|
|
const unsigned int g_uDefaultMinVBlankTime = 350'000; // min vblank time for fps limiter to care about
|
|
const unsigned int g_uDefaultVBlankRateOfDecayPercentage = 980;
|
|
|
|
extern uint64_t g_uVblankDrawBufferRedZoneNS;
|
|
extern uint64_t g_uVBlankRateOfDecayPercentage;
|
|
|
|
extern std::atomic<bool> g_bCurrentlyCompositing;
|