#define __DRI_IMAGE_USE_SCANOUT 0x0002
#define __DRI_IMAGE_USE_CURSOR 0x0004 /* Depricated */
#define __DRI_IMAGE_USE_LINEAR 0x0008
+/* The buffer will only be read by an external process after SwapBuffers,
+ * in contrary to gbm buffers, front buffers and fake front buffers, which
+ * could be read after a flush."
+ */
+#define __DRI_IMAGE_USE_BACKBUFFER 0x0010
/**