config: Add present mode option. (#3502)

* config: Add present mode option.

* settings_dialog: Add details for present modes.

src/common/config.cpp

@@ -79,6 +79,7 @@ static bool shouldPatchShaders = false;
 static u32 vblankDivider = 1;
 static bool isFullscreen = false;
 static std::string fullscreenMode = "Windowed";
+static std::string presentMode = "Mailbox";
 static bool isHDRAllowed = false;
 
 // Vulkan
@@ -194,6 +195,10 @@ std::string getFullscreenMode() {
     return fullscreenMode;
 }
 
+std::string getPresentMode() {
+    return presentMode;
+}
+
 bool getisTrophyPopupDisabled() {
     return isTrophyPopupDisabled;
 }
@@ -466,6 +471,10 @@ void setFullscreenMode(std::string mode) {
     fullscreenMode = mode;
 }
 
+void setPresentMode(std::string mode) {
+    presentMode = mode;
+}
+
 void setisTrophyPopupDisabled(bool disable) {
     isTrophyPopupDisabled = disable;
 }
@@ -726,6 +735,7 @@ void load(const std::filesystem::path& path) {
         vblankDivider = toml::find_or<int>(gpu, "vblankDivider", vblankDivider);
         isFullscreen = toml::find_or<bool>(gpu, "Fullscreen", isFullscreen);
         fullscreenMode = toml::find_or<std::string>(gpu, "FullscreenMode", fullscreenMode);
+        presentMode = toml::find_or<std::string>(gpu, "presentMode", presentMode);
         isHDRAllowed = toml::find_or<bool>(gpu, "allowHDR", isHDRAllowed);
     }
 
@@ -894,6 +904,7 @@ void save(const std::filesystem::path& path) {
     data["GPU"]["vblankDivider"] = vblankDivider;
     data["GPU"]["Fullscreen"] = isFullscreen;
     data["GPU"]["FullscreenMode"] = fullscreenMode;
+    data["GPU"]["presentMode"] = presentMode;
     data["GPU"]["allowHDR"] = isHDRAllowed;
     data["Vulkan"]["gpuId"] = gpuId;
     data["Vulkan"]["validation"] = vkValidation;
@@ -1003,6 +1014,7 @@ void setDefaultValues() {
     vblankDivider = 1;
     isFullscreen = false;
     fullscreenMode = "Windowed";
+    presentMode = "Mailbox";
     isHDRAllowed = false;
 
     // Vulkan

src/common/config.h

@@ -27,6 +27,8 @@ bool getIsFullscreen();
 void setIsFullscreen(bool enable);
 std::string getFullscreenMode();
 void setFullscreenMode(std::string mode);
+std::string getPresentMode();
+void setPresentMode(std::string mode);
 u32 getWindowWidth();
 u32 getWindowHeight();
 void setWindowWidth(u32 width);