From a1e3706c8f463e73f452c27f384b1943c8bcab84 Mon Sep 17 00:00:00 2001
From: MihailRis <mexaruc@gmail.com>
Date: Thu, 28 Dec 2023 18:55:54 +0300
Subject: [PATCH] Stop render when iconified

---
 src/engine.cpp        | 12 +++++++++---
 src/window/Window.cpp |  4 ++++
 src/window/Window.h   |  1 +
 3 files changed, 14 insertions(+), 3 deletions(-)

diff --git a/src/engine.cpp b/src/engine.cpp
index 84583d77..ec647935 100644
--- a/src/engine.cpp
+++ b/src/engine.cpp
@@ -109,10 +109,16 @@ void Engine::mainloop() {
 
 		gui->act(delta);
 		screen->update(delta);
-		screen->draw(delta);
-		gui->draw(&batch, assets.get());
 
-		Window::swapInterval(settings.display.swapInterval);
+        if (!Window::isIconified()) {
+		    screen->draw(delta);
+		    gui->draw(&batch, assets.get());
+		    Window::swapInterval(settings.display.swapInterval);
+        } else {
+            Window::swapInterval(1);
+		    Window::swapBuffers();
+        }
+
 		Window::swapBuffers();
 		Events::pollEvents();
 	}
diff --git a/src/window/Window.cpp b/src/window/Window.cpp
index 92d6cee8..856479b5 100644
--- a/src/window/Window.cpp
+++ b/src/window/Window.cpp
@@ -50,6 +50,10 @@ bool Window::isMaximized() {
 	return glfwGetWindowAttrib(window, GLFW_MAXIMIZED);
 }
 
+bool Window::isIconified() {
+    return glfwGetWindowAttrib(window, GLFW_ICONIFIED);
+}
+
 bool Window::isFocused()
 {
 	return glfwGetWindowAttrib(window, GLFW_FOCUSED);
diff --git a/src/window/Window.h b/src/window/Window.h
index 05e0fb31..b4bb8786 100644
--- a/src/window/Window.h
+++ b/src/window/Window.h
@@ -39,6 +39,7 @@ public:
 	static bool isFullscreen();
 	static bool isMaximized();
 	static bool isFocused();
+    static bool isIconified();
 
 	static void pushScissor(glm::vec4 area);
 	static void popScissor();