android ：ANativeWindow

some API

ANativeWindow* ANativeWindow_fromSurface(JNIEnv* env, jobject surface);

• 接收 Java 侧 surface 对象，转为 ANativeWindow

保存and 释放 ANativeWindow引用

• void ANativeWindow_acquire(ANativeWindow* window);
• void ANativeWindow_release(ANativeWindow* window);

向 ANativeWindow_Buffer 提交数据，并绘制

• int32_t ANativeWindow_lock(ANativeWindow* window, ANativeWindow_Buffer* outBuffer, ARect* inOutDirtyBounds);
• int32_t ANativeWindow_unlockAndPost(ANativeWindow* window);

获取 window surface 尺寸和格式

• int32_t ANativeWindow_getWidth(ANativeWindow* window);
• int32_t ANativeWindow_getHeight(ANativeWindow* window);
• int32_t ANativeWindow_getFormat(ANativeWindow* window);