Update OpenGL's backend version from 3.3 to 4.3

src/yuzu/bootmanager.cpp

@@ -310,7 +310,7 @@ void GRenderWindow::InitRenderTarget() {
     // TODO: One of these flags might be interesting: WA_OpaquePaintEvent, WA_NoBackground,
     // WA_DontShowOnScreen, WA_DeleteOnClose
     QGLFormat fmt;
-    fmt.setVersion(3, 3);
+    fmt.setVersion(4, 3);
     fmt.setProfile(QGLFormat::CoreProfile);
     fmt.setSwapInterval(false);
 

src/yuzu/main.cpp

@@ -562,8 +562,8 @@ bool GMainWindow::LoadROM(const QString& filename) {
     render_window->MakeCurrent();
 
     if (!gladLoadGL()) {
-        QMessageBox::critical(this, tr("Error while initializing OpenGL 3.3 Core!"),
-                              tr("Your GPU may not support OpenGL 3.3, or you do not "
+        QMessageBox::critical(this, tr("Error while initializing OpenGL 4.3 Core!"),
+                              tr("Your GPU may not support OpenGL 4.3, or you do not "
                                  "have the latest graphics driver."));
         return false;
     }

src/yuzu_cmd/emu_window/emu_window_sdl2.cpp

@@ -157,7 +157,7 @@ EmuWindow_SDL2::EmuWindow_SDL2(bool fullscreen) {
         exit(1);
     }
 
-    SDL_GL_SetAttribute(SDL_GL_CONTEXT_MAJOR_VERSION, 3);
+    SDL_GL_SetAttribute(SDL_GL_CONTEXT_MAJOR_VERSION, 4);
     SDL_GL_SetAttribute(SDL_GL_CONTEXT_MINOR_VERSION, 3);
     SDL_GL_SetAttribute(SDL_GL_CONTEXT_PROFILE_MASK, SDL_GL_CONTEXT_PROFILE_CORE);
     SDL_GL_SetAttribute(SDL_GL_DOUBLEBUFFER, 1);