* Buffer is guaranteed to be laid out linearly in memory. That is, the
* buffer is laid out as an array with 'height' blocks, each block with
* length 'stride'. Each stride is in the same order as the rows of the
- * buffer.
+ * buffer. This is intended to be used with buffers that will be accessed
+ * via dma-buf mmap().
*/
GBM_BO_USE_LINEAR = (1 << 4),
+ /**
+ * The buffer will be used as a texture that will be sampled from.
+ */
+ GBM_BO_USE_TEXTURING = (1 << 5),
+ /**
+ * The buffer will be written to by a camera subsystem.
+ */
+ GBM_BO_USE_CAMERA_WRITE = (1 << 6),
+ /**
+ * The buffer will be read from by a camera subsystem.
+ */
+ GBM_BO_USE_CAMERA_READ = (1 << 7),
+ /**
+ * Buffer inaccessible to unprivileged users.
+ */
+ GBM_BO_USE_PROTECTED = (1 << 8),
+ /**
+ * These flags specify the frequency of software access. These flags do not
+ * guarantee the buffer is linear, but do guarantee gbm_bo_map(..) will
+ * present a linear view.
+ */
+ GBM_BO_USE_SW_READ_OFTEN = (1 << 9),
+ GBM_BO_USE_SW_READ_RARELY = (1 << 10),
+ GBM_BO_USE_SW_WRITE_OFTEN = (1 << 11),
+ GBM_BO_USE_SW_WRITE_RARELY = (1 << 12),
+ /**
+ * The buffer will be written by a video decode accelerator.
+ */
+ GBM_BO_USE_HW_VIDEO_DECODER = (1 << 13),
};
int