Glfw ve Glad çizim yapmıyor

#include "HuskyWindow.h"

#include "../event/input.h"

#include "../core/Log.h"

#include <glad/glad.h>

#include <GLFW/glfw3.h>

#include <iostream>

namespace Husky

{

    HuskyWindow::HuskyWindow(int width, int height, const char* title)

    {

        glfwInit();

        glfwWindowHint(GLFW_CONTEXT_VERSION_MAJOR, 3);

        glfwWindowHint(GLFW_CONTEXT_VERSION_MINOR, 3);

        glfwWindowHint(GLFW_OPENGL_PROFILE, GLFW_OPENGL_CORE_PROFILE);

        window = glfwCreateWindow(width, height, title, glfwGetPrimaryMonitor(), NULL);

        if (window == NULL)

        {

            glfwTerminate();

            throw std::runtime_error("Failed to create window");

        }

        glfwMakeContextCurrent(window);

        glfwSwapInterval(1);

        // loading glad

        if (!gladLoadGLLoader((GLADloadproc)glfwGetProcAddress))

        {

            throw std::runtime_error("Failed to init glad");

        }

        //glClearColor(1.0f, 0.2f, 0.0f, 1.0f);

        glfwSetKeyCallback(window, key_callback);

        glfwSetMouseButtonCallback(window, mouse_callback);

    }

    HuskyWindow::~HuskyWindow()

    {

        glfwDestroyWindow(window);

        glfwTerminate();

    }

    int HuskyWindow::GetHeight() const

    {

        return height;

    }

    int HuskyWindow::GetWidth() const

    {

        return width;

    }

    const char* HuskyWindow::GetTitle() const

    {

        return title;

    }

    void HuskyWindow::Update()

    {

        // Clear the screen

        glClearColor(1.0f, 1.0f, 0.0f, 1.0f);

        glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT | GL_STENCIL_BUFFER_BIT);

        // Draw the triangle

        glBegin(GL_TRIANGLES);

        glVertex2d(-0.5, -0.5);

        glVertex2d(0.5, -0.5);

        glVertex2d(0, 0.5);

        glEnd();

        // Swap buffers to display the rendered content

        glfwSwapBuffers(window);

        // Poll events

        glfwPollEvents();

    }

    void HuskyWindow::Close()

    {

        glfwSetWindowShouldClose(window, true);

    }

    bool HuskyWindow::ShouldClose()

    {

        return glfwWindowShouldClose(window);

    }

    void HuskyWindow::key_callback(GLFWwindow* window, int key, int scancode, int action, int mods)

    {

        // key input alanı

        if (key == Key::Escape && action == Key::KeyRelease)

        {

            HUSKY_CLIENT_INFO("Exiting...");

            glfwSetWindowShouldClose(window, GLFW_TRUE);

        }

    }

    void HuskyWindow::mouse_callback(GLFWwindow* window, int button, int action, int mods)

    {

        // mouse input alanı

    }

} bu render sınıfı kodum ancak bir sorun var glClearColor fonksiyonu çalışıyor ve arka plan değişiyor ancak glBegin(GL_TRIANGLES);

        glVertex2d(-0.5, -0.5);

        glVertex2d(0.5, -0.5);

        glVertex2d(0, 0.5);

        glEnd(); satırlarındaki çizim kodu çalışmıyor boş ekran geliyor 1 gündür uğraşıyorum nasıl çözerim lütfen yardım edin