GLFW Window Enable Transparency with settings variable. Start Draw with: ofClear(0, 0, 0, 0);

Author: danoli3

libs/openFrameworks/app/ofAppGLFWWindow.cpp

@@ -178,6 +178,7 @@ void ofAppGLFWWindow::setup(const ofGLFWWindowSettings & _settings){
 	glfwWindowHint(GLFW_SAMPLES, settings.numSamples);
 	glfwWindowHint(GLFW_RESIZABLE, settings.resizable);
 	glfwWindowHint(GLFW_DECORATED, settings.decorated);
+	glfwWindowHint(GLFW_TRANSPARENT_FRAMEBUFFER, settings.transparent);
     #ifdef TARGET_OPENGLES
 	    glfwWindowHint(GLFW_CONTEXT_VERSION_MAJOR, settings.glesVersion);
 		glfwWindowHint(GLFW_CONTEXT_VERSION_MINOR, 0);

libs/openFrameworks/app/ofAppGLFWWindow.h

@@ -50,6 +50,7 @@ class ofGLFWWindowSettings: public ofGLWindowSettings{
 	bool iconified = false;
 	bool decorated = true;
 	bool resizable = true;
+	bool transparent = false;
 	int monitor = 0;
 	bool multiMonitorFullScreen = false;
 	std::shared_ptr<ofAppBaseWindow> shareContextWith;