Cool_Tools/ImHex
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impr: Improve frame cap handling

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This commit is contained in:
WerWolv 2023-05-11 23:22:06 +02:00
parent 0649e0dcd3
commit 2f511ec4fa
1 changed files with 18 additions and 12 deletions
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30
main/source/window/window.cpp
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@ -219,8 +219,9 @@ namespace hex {
}
void Window::loop() {
this->m_lastFrameTime = glfwGetTime();
while (!glfwWindowShouldClose(this->m_window)) {
this->m_lastFrameTime = glfwGetTime();
if (!glfwGetWindowAttrib(this->m_window, GLFW_VISIBLE) || glfwGetWindowAttrib(this->m_window, GLFW_ICONIFIED)) {
// If the application is minimized or not visible, don't render anything
glfwWaitEvents();
@ -264,18 +265,23 @@ namespace hex {
this->frame();
this->frameEnd();
// Limit frame rate
const auto targetFps = ImHexApi::System::getTargetFPS();
if (targetFps < 15) {
glfwSwapInterval(1);
} else if (targetFps <= 200) {
glfwSwapInterval(0);
auto leftoverFrameTime = i64((this->m_lastFrameTime + 1 / targetFps - glfwGetTime()) * 1000);
if (leftoverFrameTime > 0)
std::this_thread::sleep_for(std::chrono::milliseconds(leftoverFrameTime));
}
glfwSwapInterval(0);
this->m_lastFrameTime = glfwGetTime();
// Limit frame rate
// If the target FPS are below 15, use the monitor refresh rate, if it's above 200, don't limit the frame rate
const auto targetFPS = ImHexApi::System::getTargetFPS();
if (targetFPS < 15) {
glfwSwapInterval(1);
} else if (targetFPS > 200) {
glfwSwapInterval(0);
} else {
glfwSwapInterval(0);
const auto frameTime = glfwGetTime() - this->m_lastFrameTime;
const auto targetFrameTime = 1.0 / targetFPS;
if (frameTime < targetFrameTime) {
glfwWaitEventsTimeout(targetFrameTime - frameTime);
}
}
}
}