Make vsync setting work for Vulkan

src/video_core/renderer_vulkan/vk_swapchain.cpp

@@ -33,9 +33,10 @@ VkSurfaceFormatKHR ChooseSwapSurfaceFormat(vk::Span<VkSurfaceFormatKHR> formats)
 }
 
 VkPresentModeKHR ChooseSwapPresentMode(vk::Span<VkPresentModeKHR> modes) {
-    // Mailbox doesn't lock the application like fifo (vsync), prefer it
+    // Mailbox (triple buffering) doesn't lock the application like fifo (vsync),
+    // prefer it if vsync option is not selected
     const auto found_mailbox = std::find(modes.begin(), modes.end(), VK_PRESENT_MODE_MAILBOX_KHR);
-    if (found_mailbox != modes.end()) {
+    if (found_mailbox != modes.end() && !Settings::values.use_vsync.GetValue()) {
         return VK_PRESENT_MODE_MAILBOX_KHR;
     }
     if (!Settings::values.use_speed_limit.GetValue()) {

src/yuzu/configuration/configure_graphics_advanced.ui

@@ -75,7 +75,7 @@
            <string>VSync prevents the screen from tearing, but some graphics cards have lower performance with VSync enabled. Keep it enabled if you don't notice a performance difference.</string>
           </property>
           <property name="text">
-           <string>Use VSync (OpenGL only)</string>
+           <string>Use VSync</string>
           </property>
          </widget>
         </item>