diff options
| -rw-r--r-- | include/system/graphics.h | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/include/system/graphics.h b/include/system/graphics.h index d39bd4e1..77cd3370 100644 --- a/include/system/graphics.h +++ b/include/system/graphics.h @@ -19,6 +19,20 @@ __BEGIN_DECLS +/* + * If the HAL needs to create service threads to handle graphics related + * tasks, these threads need to run at HAL_PRIORITY_URGENT_DISPLAY priority + * if they can block the main rendering thread in any way. + * + * the priority of the current thread can be set with: + * + * #include <sys/resource.h> + * setpriority(PRIO_PROCESS, 0, HAL_PRIORITY_URGENT_DISPLAY); + * + */ + +#define HAL_PRIORITY_URGENT_DISPLAY (-8) + /** * pixel format definitions */ |