SaveTool: improve FPS capping mechanism.

This commit is contained in:
Guillaume Jacquemin 2022-11-30 10:03:45 +01:00
parent a8ab212931
commit 6fa21128ab
4 changed files with 74 additions and 49 deletions

View file

@ -128,15 +128,6 @@ SaveTool::SaveTool(const Arguments& arguments):
initialiseConfiguration();
switch(_framelimit) {
case Framelimit::Vsync:
setSwapInterval(1);
break;
case Framelimit::HalfVsync:
setSwapInterval(2);
break;
}
LOG_INFO("Initialising update checker.");
curl_global_init(CURL_GLOBAL_DEFAULT);
if(_checkUpdatesOnStartup) {
@ -154,6 +145,8 @@ SaveTool::SaveTool(const Arguments& arguments):
_uiState = UiState::Initialising;
_initThread = std::thread{[this]{ initialiseManager(); }};
}
_timeline.start();
}
SaveTool::~SaveTool() {
@ -170,17 +163,8 @@ SaveTool::~SaveTool() {
_conf.setValue("advanced_mode"_s, _advancedMode);
_conf.setValue("startup_update_check"_s, _checkUpdatesOnStartup);
_conf.setValue("skip_disclaimer"_s, _skipDisclaimer);
switch(_framelimit) {
case Framelimit::Vsync:
_conf.setValue("frame_limit"_s, "vsync"_s);
break;
case Framelimit::HalfVsync:
_conf.setValue("frame_limit"_s, "half_vsync"_s);
break;
default:
_conf.setValue("frame_limit"_s, "vsync"_s);
}
_conf.setValue("swap_interval"_s, _swapInterval);
_conf.setValue("fps_cap"_s, _fpsCap);
_conf.save();
@ -197,7 +181,14 @@ void SaveTool::drawEvent() {
drawImGui();
swapBuffers();
if(_swapInterval == 0 && _fpsCap < 301.0f) {
while(_timeline.currentFrameDuration() < (1.0f / _fpsCap));
}
redraw();
_timeline.nextFrame();
}
void SaveTool::viewportEvent(ViewportEvent& event) {

View file

@ -23,7 +23,11 @@
#include <Corrade/Containers/String.h>
#include <Corrade/Utility/Configuration.h>
#include <Corrade/Utility/Resource.h>
#ifdef SAVETOOL_DEBUG_BUILD
#include <Corrade/Utility/Tweakable.h>
#endif
#include <Magnum/Timeline.h>
#include <Magnum/Platform/Sdl2Application.h>
#include <Magnum/ImGuiIntegration/Context.h>
@ -39,8 +43,6 @@
#include "../ToastQueue/ToastQueue.h"
#ifdef SAVETOOL_DEBUG_BUILD
#include <Corrade/Utility/Tweakable.h>
#define tw CORRADE_TWEAKABLE
#endif
@ -174,7 +176,7 @@ class SaveTool: public Platform::Sdl2Application, public efsw::FileWatchListener
// Also, func should be a lambda if there are any default arguments, like ImGui::Button(), etc...
template<typename... Args>
void drawUnsafeText(Containers::StringView text, Args... args) { // Alternative to the above, for ImGui::Text*() variants.
void drawUnsafeText(const char* text, Args... args) { // Alternative to the above, for ImGui::Text*() variants.
if(_gameState != GameState::NotRunning) {
ImGui::TextDisabled(text, std::forward<Args>(args)...);
}
@ -260,10 +262,8 @@ class SaveTool: public Platform::Sdl2Application, public efsw::FileWatchListener
};
Containers::StaticArray<2, efsw::WatchID> _watchIDs;
enum class Framelimit: UnsignedByte {
Vsync,
HalfVsync
} _framelimit{Framelimit::Vsync};
int _swapInterval = 1;
float _fpsCap = 60.0f;
bool _skipDisclaimer{false};
bool _checkUpdatesOnStartup{true};
@ -292,4 +292,6 @@ class SaveTool: public Platform::Sdl2Application, public efsw::FileWatchListener
bool _cheatMode{false};
bool _advancedMode{false};
Timeline _timeline;
};

View file

@ -79,17 +79,31 @@ void SaveTool::initialiseConfiguration() {
_conf.setValue("skip_disclaimer"_s, _skipDisclaimer);
}
if(_conf.hasValue("swap_interval"_s)) {
_swapInterval = _conf.value<int>("swap_interval"_s);
}
else {
_conf.setValue("swap_interval"_s, 1);
}
if(_conf.hasValue("fps_cap"_s)) {
_fpsCap = _conf.value<float>("fps_cap");
}
else {
_conf.setValue("fps_cap", 60.0f);
}
if(_conf.hasValue("frame_limit"_s)) {
std::string frame_limit = _conf.value("frame_limit"_s);
if(frame_limit == "half_vsync"_s) {
_framelimit = Framelimit::HalfVsync;
}
else {
_framelimit = Framelimit::Vsync;
_swapInterval = 2;
}
_conf.removeValue("frame_limit"_s);
}
else {
_conf.setValue("frame_limit"_s, "vsync"_s);
setSwapInterval(_swapInterval);
if(_swapInterval == 0) {
setMinimalLoopPeriod(0);
}
_conf.save();

View file

@ -55,31 +55,49 @@ void SaveTool::drawMainMenu() {
ImGui::Separator();
if(ImGui::BeginMenu(ICON_FA_COG " Settings")) {
drawAlignedText("Frame limiter:");
ImGui::BeginGroup();
drawAlignedText("Vertical sync:");
if(_swapInterval == 0) {
drawAlignedText("FPS cap:");
}
ImGui::EndGroup();
ImGui::SameLine();
static auto selection = static_cast<UnsignedByte>(_framelimit);
static const char* framelimit_labels[2] = {
"V-sync",
"Half V-sync"
ImGui::BeginGroup();
static const char* framelimit_labels[] = {
"Off",
"Every VBLANK",
"Every second VBLANK",
"Every third VBLANK",
};
ImGui::SetNextItemWidth(ImGui::GetContentRegionAvail().x);
if(ImGui::BeginCombo("##FrameLimit", framelimit_labels[selection])) {
if(ImGui::Selectable(framelimit_labels[0], _framelimit == Framelimit::Vsync)) {
selection = 0;
_framelimit = Framelimit::Vsync;
setSwapInterval(1);
}
if(ImGui::Selectable(framelimit_labels[1], _framelimit == Framelimit::HalfVsync)) {
selection = 1;
_framelimit = Framelimit::HalfVsync;
setSwapInterval(2);
ImGui::PushItemWidth(300.0f);
if(ImGui::BeginCombo("##FrameLimit", framelimit_labels[_swapInterval])) {
for(int i = 0; i <= 3; i++) {
if(ImGui::Selectable(framelimit_labels[i], _swapInterval == i)) {
_swapInterval = i;
setSwapInterval(i);
if(i == 0) {
setMinimalLoopPeriod(0);
}
}
}
ImGui::EndCombo();
}
if(_swapInterval == 0) {
ImGui::SliderFloat("##FpsCapSlider", &_fpsCap, 15.0f, 301.0f,
_fpsCap != 301.0f ? "%.0f" : "Uncapped", ImGuiSliderFlags_AlwaysClamp);
}
ImGui::PopItemWidth();
ImGui::EndGroup();
ImGui::Checkbox("Cheat mode", &_cheatMode);
ImGui::SameLine();
ImGui::AlignTextToFramePadding();