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One more try to limit buffer swaps during splash screen rendering.

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This commit is contained in:
Leon Styhre 2023-01-23 00:01:36 +01:00
parent 022446bce7
commit 24e40ea348
1 changed files with 6 additions and 4 deletions
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10
es-app/src/SystemData.cpp
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@ -513,7 +513,8 @@ bool SystemData::loadConfig()
const bool splashScreen {Settings::getInstance()->getBool("SplashScreen")};
float systemCount {0.0f};
float loadedSystems {0.0f};
long unsigned int lastTime {0};
Uint64 lastTime {0};
Uint64 accumulator {0};
for (pugi::xml_node system {systemList.child("system")}; system;
system = system.next_sibling("system")) {
@ -534,13 +535,14 @@ bool SystemData::loadConfig()
path = system.child("path").text().get();
if (splashScreen) {
const long unsigned int curTime {SDL_GetTicks64()};
const long unsigned int deltaTime {curTime - lastTime};
const Uint64 curTime {SDL_GetTicks64()};
accumulator += curTime - lastTime;
lastTime = curTime;
++loadedSystems;
// This prevents Renderer::swapBuffers() from being called excessively which
// could lead to significantly longer application startup times.
if (deltaTime > 15) {
if (accumulator > 15) {
accumulator = 0;
const float progress {glm::mix(0.0f, 0.5f, loadedSystems / systemCount)};
Window::getInstance()->renderSplashScreen(Window::SplashScreenState::SCANNING,
progress);