Abstract cursor plane initialization
To allow driver-specific plane z-ordering, at least.
This provides the same functionality as:
https://gerrit.chromium.org/gerrit/#/c/25276/
Change-Id: I89ccd656028c490f64138c5fc1741996e73e3987
diff --git a/src/drmmode_driver.h b/src/drmmode_driver.h
index dfb5daf..3414fa2 100644
--- a/src/drmmode_driver.h
+++ b/src/drmmode_driver.h
@@ -45,6 +45,17 @@
* waited for during DRM_IOCTL_MODE_PAGE_FLIP.
*/
int use_page_flip_events;
+
+ /* (Optional) Initialize the given plane for use as a hardware cursor.
+ *
+ * This function should do any initialization necessary, for example setting the
+ * z-order on the plane to appear above all other layers.
+ *
+ * @param drm_fd The DRM device file
+ * @param plane_id The plane to initialize
+ * @return 0 on success, non-zero on failure
+ */
+ int (*init_plane_for_cursor)(int drm_fd, uint32_t plane_id);
};
struct drmmode_interface *drmmode_interface_get_implementation(int drm_fd);