获取手机GLES10.GL_MAX_TEXTURE_SIZE

private static int getMaxSizeInternal() {
        EGL10 egl = (EGL10) EGLContext.getEGL();

        EGLDisplay dpy = egl.eglGetDisplay(EGL10.EGL_DEFAULT_DISPLAY);
        int[] versions = new int[2];
        egl.eglInitialize(dpy, versions);

        EGLConfig[] configs = new EGLConfig[1];
        int[] numConfig = new int[1];
        egl.eglGetConfigs(dpy, configs, 1, numConfig);
        if (numConfig[0] == 0) {
            // TROUBLE! No config found.
            // 创建 openGl context 失败，所以直接尝试调用max size，因为android 5.0之前没有context也可以直接调用成功
            int[] maxSize = new int[1];
            GLES10.glGetIntegerv(GLES10.GL_MAX_TEXTURE_SIZE, maxSize, 0);
            return maxSize[0];
        }
        EGLConfig config = configs[0];

        int[] surfAttr = {
                EGL10.EGL_WIDTH, 64,
                EGL10.EGL_HEIGHT, 64,
                EGL10.EGL_NONE
        };
        EGLSurface surf = egl.eglCreatePbufferSurface(dpy, config, surfAttr);
        final int EGL_CONTEXT_CLIENT_VERSION = 0x3098;  // missing in EGL10
        int[] ctxAttribute = {
                EGL_CONTEXT_CLIENT_VERSION, 1,
                EGL10.EGL_NONE
        };
        EGLContext ctx = egl.eglCreateContext(dpy, config, EGL10.EGL_NO_CONTEXT, ctxAttribute);
        egl.eglMakeCurrent(dpy, surf, surf, ctx);
        int[] maxSize = new int[1];
        GLES10.glGetIntegerv(GLES10.GL_MAX_TEXTURE_SIZE, maxSize, 0);
        egl.eglMakeCurrent(dpy, EGL10.EGL_NO_SURFACE, EGL10.EGL_NO_SURFACE,
                EGL10.EGL_NO_CONTEXT);
        egl.eglDestroySurface(dpy, surf);
        egl.eglDestroyContext(dpy, ctx);
        egl.eglTerminate(dpy);
        return maxSize[0];
    }