OpenGLDebugInfo.cpp

void printOpenGLDebugInfo()
{
    int majorVersion, minorVersion;
    glGetIntegerv(GL_MAJOR_VERSION, &majorVersion);
    glGetIntegerv(GL_MINOR_VERSION, &minorVersion);
    std::cout << "OpenGL Version: " << majorVersion << "." << minorVersion
              << std::endl;

    int work_grp_cnt[3];

    glGetIntegeri_v(GL_MAX_COMPUTE_WORK_GROUP_COUNT, 0, &work_grp_cnt[0]);
    glGetIntegeri_v(GL_MAX_COMPUTE_WORK_GROUP_COUNT, 1, &work_grp_cnt[1]);
    glGetIntegeri_v(GL_MAX_COMPUTE_WORK_GROUP_COUNT, 2, &work_grp_cnt[2]);

    std::cout << "max global (total) work group size x: " << work_grp_cnt[0]
              << " y: " << work_grp_cnt[1] << " z: " << work_grp_cnt[2]
              << std::endl;

    int work_grp_size[3];

    glGetIntegeri_v(GL_MAX_COMPUTE_WORK_GROUP_SIZE, 0, &work_grp_size[0]);
    glGetIntegeri_v(GL_MAX_COMPUTE_WORK_GROUP_SIZE, 1, &work_grp_size[1]);
    glGetIntegeri_v(GL_MAX_COMPUTE_WORK_GROUP_SIZE, 2, &work_grp_size[2]);

    std::cout << "max local (in one shader) work group sizes x:"
              << work_grp_size[0] << " y: " << work_grp_size[1]
              << " z: " << work_grp_size[2] << std::endl;

    int work_grp_inv;

    glGetIntegerv(GL_MAX_COMPUTE_WORK_GROUP_INVOCATIONS, &work_grp_inv);

    std::cout << "max local work group invocations: " << work_grp_inv
              << std::endl;
}