ext/agui: synced agui

Author: andreasdr

ext/a-gui/src/agui/application/Application.cpp

@@ -40,6 +40,7 @@
 #include <agui/audio/Audio.h>
 #include <agui/gui/textures/GUITexture.h>
 #include <agui/gui/fileio/TextureReader.h>
+#include <agui/gui/renderer/ApplicationGL3Renderer.h>
 #include <agui/gui/renderer/GUIRendererBackend.h>
 #include <agui/gui/GUIEventHandler.h>
 #include <agui/os/filesystem/FileSystem.h>
@@ -66,6 +67,7 @@ using agui::application::Application;
 using agui::audio::Audio;
 using agui::gui::textures::GUITexture;
 using agui::gui::fileio::TextureReader;
+using agui::gui::renderer::ApplicationGL3Renderer;
 using agui::gui::renderer::GUIRendererBackend;
 using agui::gui::GUIEventHandler;
 using agui::os::filesystem::FileSystem;
@@ -564,6 +566,22 @@ int Application::run(int argc, char** argv, const string& title, GUIEventHandler
 		}
 	}
 
+	// renderer backend library
+	string rendererBackendType = "opengl3core";
+	for (auto i = 1; i < argc; i++) {
+		auto argValue = string(argv[i]);
+		if (argValue == "--debug") debuggingEnabled = true; else
+		if (argValue == "--gles2") rendererBackendType = "opengles2"; else
+		if (argValue == "--gl2") rendererBackendType = "opengl2"; else
+		if (argValue == "--gl3core") rendererBackendType = "opengl3core"; else
+		if (argValue == "--vulkan") rendererBackendType = "vulkan";
+	}
+
+	// load engine renderer backend plugin
+	if (loadGUIRendererPlugin(rendererBackendType) == false) {
+		return EXITCODE_FAILURE;
+	}
+
 	// window hints
 	if ((windowHints & WINDOW_HINT_NOTRESIZEABLE) == WINDOW_HINT_NOTRESIZEABLE) glfwWindowHint(GLFW_RESIZABLE, GLFW_FALSE);
 	if ((windowHints & WINDOW_HINT_NOTDECORATED) == WINDOW_HINT_NOTDECORATED) glfwWindowHint(GLFW_DECORATED, GLFW_FALSE);
@@ -663,6 +681,74 @@ int Application::run(int argc, char** argv, const string& title, GUIEventHandler
 	return localExitCode;
 }
 
+bool Application::loadGUIRendererPlugin(const string& rendererType) {
+	string guiRendererBackendLibrary = "libgui" + rendererType + "renderer";
+	#if defined(_WIN32)
+		guiRendererBackendLibrary = guiRendererBackendLibrary + ".dll";
+	#elif defined(__APPLE__)
+		guiRendererBackendLibrary = guiRendererBackendLibrary + ".dylib";
+	#else
+		guiRendererBackendLibrary = guiRendererBackendLibrary + ".so";
+	#endif
+
+	// renderer
+	Console::printLine("Application::run(): Opening GUI renderer backend library: " + guiRendererBackendLibrary);
+
+	#if defined(_MSC_VER)
+		//
+		auto guiRendererBackendLibraryHandle = LoadLibrary(guiRendererBackendLibrary.c_str());
+		if (guiRendererBackendLibraryHandle == nullptr) {
+			Console::printLine("Application::run(): Could not open GUI renderer backend library");
+			glfwTerminate();
+			return false;
+		}
+		//
+		GUIRendererBackend* (*guiRendererBackendCreateInstance)() = (GUIRendererBackend*(*)())GetProcAddress(guiRendererBackendLibraryHandle, "createInstance");
+		//
+		if (guiRendererBackendCreateInstance == nullptr) {
+			Console::printLine("Application::run(): Could not find GUI renderer backend library createInstance() entry point");
+			glfwTerminate();
+			return false;
+		}
+		//
+		guiRendererBackend = unique_ptr<GUIRendererBackend>((GUIRendererBackend*)guiRendererBackendCreateInstance());
+		if (guiRendererBackend == nullptr) {
+			Console::printLine("Application::run(): Could not create renderer backend");
+			glfwTerminate();
+			return false;
+		}
+	#else
+		//
+		#if defined(__HAIKU__)
+			auto guiRendererBackendLibraryHandle = dlopen(("lib/" + guiRendererBackendLibrary).c_str(), RTLD_NOW);
+		#else
+			auto guiRendererBackendLibraryHandle = dlopen(guiRendererBackendLibrary.c_str(), RTLD_NOW);
+		#endif
+		if (guiRendererBackendLibraryHandle == nullptr) {
+			Console::printLine("Application::run(): Could not open GUI renderer backend library");
+			glfwTerminate();
+			return false;
+		}
+		//
+		GUIRendererBackend* (*guiRendererBackendCreateInstance)() = (GUIRendererBackend*(*)())dlsym(guiRendererBackendLibraryHandle, "createInstance");
+		//
+		if (guiRendererBackendCreateInstance == nullptr) {
+			Console::printLine("Application::run(): Could not find GUI renderer backend library createInstance() entry point");
+			glfwTerminate();
+			return false;
+		}
+		//
+		guiRendererBackend = unique_ptr<GUIRendererBackend>((GUIRendererBackend*)guiRendererBackendCreateInstance());
+		if (guiRendererBackend == nullptr) {
+			Console::printLine("Application::run(): Could not create GUI renderer backend");
+			glfwTerminate();
+			return false;
+		}
+	#endif
+	//
+	return true;
+}
+
 void Application::setIcon() {
 	auto logoFileName = StringTools::replace(StringTools::toLowerCase(executableFileName), ".exe", "") + "-icon.png";
 	if (FileSystem::getInstance()->exists("resources/platforms/icons/" + logoFileName) == false) logoFileName = "default-icon.png";

ext/a-gui/src/agui/application/Application.h

@@ -379,6 +379,12 @@ class agui::application::Application: public GUIApplication
 	unordered_set<int> connectedGamepads;
 	array<array<int64_t, 16>, 16> joystickButtons;
 
+	/**
+	 * Load GUI renderer backend plugin
+	 * @param rendererType renderer type
+	 */
+	bool loadGUIRendererPlugin(const string& rendererType);
+
 	/**
 	 * Set application icon
 	 */

ext/a-gui/src/agui/gui/GUIVersion.cpp

@@ -9,9 +9,9 @@ using std::string;
 using agui::gui::GUIVersion;
 
 string GUIVersion::getVersion() {
-	return "0.9.85";
+	return "0.9.86";
 }
 
 string GUIVersion::getCopyright() {
-	return "Developed 2012-2023 by Andreas Drewke, Dominik Hepp, Kolja Gumpert, drewke.net, mindty.com. Please see the license @ https://github.com/andreasdr/a-gui/blob/master/LICENSE";
+	return "Developed 2012-2025 by Andreas Drewke, Dominik Hepp, Kolja Gumpert, drewke.net, mindty.com. Please see the license @ https://github.com/andreasdr/a-gui/blob/master/LICENSE";
 }

ext/a-gui/src/agui/gui/renderer/GUIRendererBackendPlugin.h

@@ -18,7 +18,7 @@ class agui::gui::renderer::GUIRendererBackendPlugin
 	 * @returns renderer version
 	 */
 	inline static const string getRendererVersion() {
-		return "0.9.85";
+		return "0.9.86";
 	}
 
 };