glBindTexture(GL_TEXTURE_2D, m_textureId);
while (m_running)
{
    glColor3f(1.0f, 1.0f, 1.0f);
    glBegin(GL_QUADS);
    glTexCoord2f(0, 480);
    glVertex2f(0, 0);
    glTexCoord2f(640, 480);
    glVertex2f(640, 0);
    glTexCoord2f(640, 0);
    glVertex2f(640, 480);
    glTexCoord2f(0, 0);
    glVertex2f(0, 480);
    glEnd();
}