char strzsto[256];

const char* glErrorToString(GLenum e)
{

    switch(e)
    {
        case GL_NO_ERROR:
            return "GL_NO_ERROR";
        case GL_INVALID_ENUM:
            return "GL_INVALID_ENUM";
        case GL_INVALID_VALUE:
            return "GL_INVALID_VALUE";
        case GL_INVALID_OPERATION:
            return "GL_INVALID_OPERATION";
        case GL_INVALID_FRAMEBUFFER_OPERATION:
            return "GL_INVALID_FRAMEBUFFER_OPERATION";
        case GL_OUT_OF_MEMORY:
            return "GL_OUT_OF_MEMORY";
        default:
        {
            memset(strzsto, 0, sizeof(strzsto));
            /* TODO: add length modifiers here */
            sprintf(strzsto, "Unknown value: %X", e);
            return strzsto;
        }
    }
    ASSERT(!"Should never reach here.");
    return NULL;
}