Start of example program

.gitignore

@@ -31,4 +31,6 @@
 *.exe
 *.out
 *.app
+
 test/build
+example/build

.gitmodules

@@ -0,0 +1,3 @@
+[submodule "example/external/glfw"]
+	path = example/external/glfw
+	url = git@github.com:glfw/glfw.git

example/Makefile

@@ -0,0 +1,20 @@
+BUILD_DIR=build
+
+clean:
+	rm -rf $(BUILD_DIR)
+
+glfw:
+	mkdir -p $(BUILD_DIR)/glfw
+	cd $(BUILD_DIR)/glfw \
+		&& cmake -DGLFW_BUILD_TESTS=off -DGLFW_BUILD_DOCS=off -DGLFW_BUILD_EXAMPLES=off ../../external/glfw \
+		&& make
+
+example:
+	mkdir -p $(BUILD_DIR)/example
+	cd $(BUILD_DIR)/example \
+		&& $(CXX) $(CPPFLAGS) $(CXXFLAGS) -ohmmexample \
+			-I../../external/glfw/include \
+			-L../glfw/src \
+			-lglew -lglfw3 \
+			-framework OpenGL -framework Cocoa -framework IOKit -framework CoreVideo \
+			../../main.cpp

example/main.cpp

@@ -0,0 +1,53 @@
+#include <stdio.h>
+
+#include <GL/glew.h>
+#include <GLFW/glfw3.h>
+
+int main()
+{
+    // Initialise GLFW
+    glewExperimental = true; // Needed for core profile
+    if (!glfwInit()) {
+        fprintf( stderr, "Failed to initialize GLFW\n" );
+        return -1;
+    }
+
+    glfwWindowHint(GLFW_SAMPLES, 4); // 4x antialiasing
+    glfwWindowHint(GLFW_CONTEXT_VERSION_MAJOR, 3); // We want OpenGL 3.3
+    glfwWindowHint(GLFW_CONTEXT_VERSION_MINOR, 3);
+    glfwWindowHint(GLFW_OPENGL_FORWARD_COMPAT, GL_TRUE); // To make MacOS happy; should not be needed
+    glfwWindowHint(GLFW_OPENGL_PROFILE, GLFW_OPENGL_CORE_PROFILE); // We don't want the old OpenGL 
+
+    // Open a window and create its OpenGL context
+    GLFWwindow* window; // (In the accompanying source code, this variable is global for simplicity)
+    window = glfwCreateWindow( 1024, 768, "Tutorial 01", NULL, NULL);
+    if (window == NULL) {
+        fprintf( stderr, "Failed to open GLFW window. If you have an Intel GPU, they are not 3.3 compatible. Try the 2.1 version of the tutorials.\n" );
+        glfwTerminate();
+        return -1;
+    }
+    glfwMakeContextCurrent(window); // Initialize GLEW
+    glewExperimental=true; // Needed in core profile
+    if (glewInit() != GLEW_OK) {
+        fprintf(stderr, "Failed to initialize GLEW\n");
+        return -1;
+    }
+
+    // Ensure we can capture the escape key being pressed below
+    glfwSetInputMode(window, GLFW_STICKY_KEYS, GL_TRUE);
+
+    do {
+        // Clear the screen. It's not mentioned before Tutorial 02, but it can cause flickering, so it's there nonetheless.
+        glClear(GL_COLOR_BUFFER_BIT);
+
+        // Draw nothing, see you in tutorial 2 !
+
+        // Swap buffers
+        glfwSwapBuffers(window);
+        glfwPollEvents();
+    } while (
+        // Check if the ESC key was pressed or the window was closed
+        glfwGetKey(window, GLFW_KEY_ESCAPE ) != GLFW_PRESS
+        && glfwWindowShouldClose(window) == 0
+    );
+}