The sample of GLFW3 and OpenGL. requirements: Derelict3, libglfw(3) : $ dmd test_glfw.d lib/libDerelictGL3.a lib/libDerelictUtil.a lib/libDerelictGLFW3.a -L/usr/lib/libdl.so -L/usr/lib/libglfw.so

test_glfw.d

import derelict.opengl3.gl,
       derelict.opengl3.gl3,
       derelict.glfw3.glfw3;

class TestGlfw{
  static int width  = 800;
  static int height = 600;
  static GLFWwindow* window;
  
  this(){
    DerelictGL.load();
    DerelictGL3.load();
    DerelictGLFW3.load();
    
    if (!glfwInit())
      throw new Error("GLFW Initialize failed.");
    window = glfwCreateWindow(width, height, "GLFW3 and OpenGL Test", null, null); 
    if (!window){
      glfwTerminate();
      throw new Error("Falied to Create GLFW Window.");
    }
    
    glfwMakeContextCurrent(window); 
  }


  void mainLoop(){
    while(!glfwWindowShouldClose(window)){
      float ratio;

      glfwGetFramebufferSize(window, &width, &height);
      ratio = width / cast(float)height;

      glViewport(0,0, width, height);
      glClear(GL_COLOR_BUFFER_BIT);

      glMatrixMode(GL_PROJECTION);
      glLoadIdentity();
      glOrtho(-ratio, ratio, -1.0f, 1.0f, 1.0f, -1.0f);
      glMatrixMode(GL_MODELVIEW);

      glLoadIdentity();
      glRotatef(cast(float)glfwGetTime() * 50.0f, 0.0f, 0.0f, 1.0f);

      {
        glBegin(GL_TRIANGLES);
        glColor3f(1.0f, 0.0f, 0.0f);
        glVertex3f(-0.6f, -0.4f, 0.0f);
        glColor3f(0.0f, 1.0f, 0.0f);
        glVertex3f(0.6f, -0.4f, 0.0f);
        glColor3f(0.0f, 0.0f, 1.0f);
        glVertex3f(0.0f, 0.6f, 0.0f);
        glEnd();
      }

      glfwSwapBuffers(window);
      glfwPollEvents();
    }

    glfwDestroyWindow(window);
    glfwTerminate();
    return;
  }
}

void main(){
  TestGlfw tw = new TestGlfw();

  with(tw){
    mainLoop();
  }
}