int major,minor,rev;
glfwGetVersion(&major, &minor, &rev);

#pragma clang diagnostic push
#pragma clang diagnostic ignored "-Wdocumentation"

#include <iostream>
//#include <gl/glew.h>
#include <GLFW/glfw3.h>

int main(int argc, const char * argv[])
{
    int major,minor,rev;
    glfwGetVersion(&major, &minor, &rev);

    printf("%d.%d.%d", major, minor, rev);


    // GLFW初期化
    if (glfwInit() == GL_FALSE)
    {
        return -1;
    }

    GLFWwindow *cameraWindow = glfwCreateWindow(640, 480, "Captured Image", NULL, NULL);

    // バージョン3.2指定
    glfwWindowHint(GLFW_CONTEXT_VERSION_MAJOR, 3);
    glfwWindowHint(GLFW_CONTEXT_VERSION_MINOR, 2);
    glfwWindowHint(GLFW_OPENGL_FORWARD_COMPAT, GL_TRUE);
    glfwWindowHint(GLFW_OPENGL_PROFILE, GLFW_OPENGL_CORE_PROFILE);


    glfwMakeContextCurrent(cameraWindow);
    int w, h;
    glfwGetFramebufferSize(cameraWindow, &w, &h);
    glViewport(0, 0, w, h);

    glfwSwapInterval(1);

    // フレームループ
    while (glfwWindowShouldClose(cameraWindow) == GL_FALSE)
    {
        // バッファのクリア
        glClearColor(0.2f, 0.2f, 0.2f, 0.0f);
        glClear(GL_COLOR_BUFFER_BIT);

        // 色指定
        glColor4f(1.0, 0.0, 0.0, 1.0);

        // 3つの頂点座標をGPUに転送
        glBegin(GL_TRIANGLES);
        glVertex2f(   0,  0.5);
        glVertex2f(-0.5, -0.5);
        glVertex2f( 0.5, -0.5);
        glEnd();

        // ダブルバッファのスワップ
        glfwSwapBuffers(cameraWindow);
        glfwPollEvents();

        glfwGetFramebufferSize(cameraWindow, &w, &h);

    }

    // GLFWの終了処理
    glfwTerminate();

    return 0;
}