c++获取OpenGL版本号的两种方法

#include <QDebug>
#include "glut.h"
#ifdef method_1
#pragma comment(lib,"glut32.lib")
#else
#include <Windows.h>
#include <windowsx.h>
#pragma comment(lib,"opengl32.lib")
#pragma comment(lib,"gdi32.lib")
#pragma comment(lib,"user32.lib")
#endif
int main(int argc, char *argv[])
{
#ifdef method_1
    int wnd = glutCreateWindow("OpenGL Version");
    const GLubyte * name = glGetString(GL_VENDOR);
    const GLubyte * biaoshifu = glGetString(GL_RENDERER);
    const GLubyte * OpenGLVersion = glGetString(GL_VERSION);
    const GLubyte * gluVersion = gluGetString(GLU_VERSION);
    qDebug()<<QStringLiteral("OpenGL实现厂商的名字")<<QString((char*)name);
    qDebug()<<QStringLiteral("渲染器标识符：")<<QString((char*)biaoshifu);
    qDebug()<<QStringLiteral("OpenGL实现的版本号：")<<QString((char*)OpenGLVersion);
    qDebug()<<QStringLiteral("GLU工具库版本：")<<QString((char*)gluVersion);
    glutDestroyWindow(wnd);
#else
    PIXELFORMATDESCRIPTOR pfd =
    {
        sizeof(PIXELFORMATDESCRIPTOR),
        1,
        PFD_DRAW_TO_WINDOW | PFD_SUPPORT_OPENGL | PFD_DOUBLEBUFFER,    //Flags
        PFD_TYPE_RGBA,            //The kind of framebuffer. RGBA or palette.
        32,                        //Colordepth of the framebuffer.
        0, 0, 0, 0, 0, 0,
        0,
        0,
        0,
        0, 0, 0, 0,
        24,                        //Number of bits for the depthbuffer
        8,                        //Number of bits for the stencilbuffer
        0,                        //Number of Aux buffers in the framebuffer.
        PFD_MAIN_PLANE,
        0,
        0, 0, 0
    };
    HDC ourWindowHandleToDeviceContext = GetDC(NULL);

    int  letWindowsChooseThisPixelFormat;
    letWindowsChooseThisPixelFormat = ChoosePixelFormat(ourWindowHandleToDeviceContext, &pfd);
    SetPixelFormat(ourWindowHandleToDeviceContext, letWindowsChooseThisPixelFormat, &pfd);

    HGLRC ourOpenGLRenderingContext = wglCreateContext(ourWindowHandleToDeviceContext);
    wglMakeCurrent(ourWindowHandleToDeviceContext, ourOpenGLRenderingContext);

    const GLubyte * name = glGetString(GL_VENDOR);
    const GLubyte * biaoshifu = glGetString(GL_RENDERER);
    const GLubyte * OpenGLVersion = glGetString(GL_VERSION);
    const GLubyte * gluVersion = gluGetString(GLU_VERSION);
    qDebug()<<QStringLiteral("OpenGL实现厂商的名字")<<QString((char*)name);
    qDebug()<<QStringLiteral("渲染器标识符：")<<QString((char*)biaoshifu);
    qDebug()<<QStringLiteral("OpenGL实现的版本号：")<<QString((char*)OpenGLVersion);
    qDebug()<<QStringLiteral("GLU工具库版本：")<<QString((char*)gluVersion);

    wglDeleteContext(ourOpenGLRenderingContext);
    ReleaseDC(NULL, ourWindowHandleToDeviceContext);
#endif
}

源码链接：http://download.csdn.net/detail/caoshangpa/9858673

来源：CSDN

作者：灿哥哥

链接：https://blog.csdn.net/caoshangpa/article/details/72844211