kimcinoo
/
efl
forked from enlightenment/efl
1
0
Fork 0
Code Issues Pull Requests Projects Releases Wiki Activity

ecore_drm2: Add release handlers for buffers 

Allow the engine to register a callback for buffer release.  This lets us
do appropriate buffer bookkeeping (for example, gbm locking) in the
engine.
This commit is contained in:
Derek Foreman 2016-09-09 13:31:20 -05:00
parent 0722eae960
commit 30d14779a6
4 changed files with 35 additions and 6 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

16
src/lib/ecore_drm2/Ecore_Drm2.h
View File

@ -61,6 +61,8 @@ typedef struct _Ecore_Drm2_Event_Activate
EAPI extern int ECORE_DRM2_EVENT_OUTPUT_CHANGED;
EAPI extern int ECORE_DRM2_EVENT_ACTIVATE;
typedef void (*Ecore_Drm2_Release_Handler)(void *data, Ecore_Drm2_Fb *b);
/**
* @file
* @brief Ecore functions for dealing with drm, virtual terminals
@ -808,6 +810,20 @@ EAPI void ecore_drm2_fb_busy_set(Ecore_Drm2_Fb *fb, Eina_Bool busy);
*/
EAPI void ecore_drm2_output_user_data_set(Ecore_Drm2_Output *o, void *data);
/**
* Register a callback for the buffer release handler
*
* When a flip completes ecore_drm2 may release a buffer. Use this callback
* if you need to do bookkeeping or locking on buffer release.
*
* @param output The output to register the callback on
* @param handler The function to handle the callback
* @param data The user data to pass to the callback
* @ingroup Ecore_Drm2_Output_Group
* @since 1.19
*/
EAPI void ecore_drm2_output_release_handler_set(Ecore_Drm2_Output *output, Ecore_Drm2_Release_Handler handler, void *data);
/**
* Get the Framebuffer's gbm buffer object
*

16
src/lib/ecore_drm2/ecore_drm2_fb.c
View File

@ -224,16 +224,20 @@ ecore_drm2_fb_dirty(Ecore_Drm2_Fb *fb, Eina_Rectangle *rects, unsigned int count
#endif
}
static void _release_buffer(Ecore_Drm2_Output *output, Ecore_Drm2_Fb *b)
{
b->busy = EINA_FALSE;
if (output->release_cb) output->release_cb(output->release_data, b);
}
EAPI Eina_Bool
ecore_drm2_fb_flip_complete(Ecore_Drm2_Output *output)
{
if (output->current) output->current->busy = EINA_FALSE;
if (output->current && (output->current != output->pending))
_release_buffer(output, output->current);
output->current = output->pending;
output->pending = NULL;
/* In case they were the same buffer... */
if (output->current) output->current->busy = EINA_TRUE;
return !!output->next;
}
@ -249,7 +253,7 @@ ecore_drm2_fb_flip(Ecore_Drm2_Fb *fb, Ecore_Drm2_Output *output)
if (output->pending)
{
if (output->next) output->next->busy = EINA_FALSE;
if (output->next) _release_buffer(output, output->next);
output->next = fb;
if (output->next) output->next->busy = EINA_TRUE;
return 0;
@ -283,7 +287,7 @@ ecore_drm2_fb_flip(Ecore_Drm2_Fb *fb, Ecore_Drm2_Output *output)
return ret;
}
if (output->current) output->current->busy = EINA_FALSE;
if (output->current) _release_buffer(output, output->current);
output->current = fb;
output->current->busy = EINA_TRUE;
output->next = NULL;

7
src/lib/ecore_drm2/ecore_drm2_outputs.c
View File

@ -1202,3 +1202,10 @@ ecore_drm2_output_user_data_set(Ecore_Drm2_Output *o, void *data)
{
o->user_data = data;
}
EAPI void
ecore_drm2_output_release_handler_set(Ecore_Drm2_Output *o, Ecore_Drm2_Release_Handler cb, void *data)
{
o->release_data = data;
o->release_cb = cb;
}

2
src/lib/ecore_drm2/ecore_drm2_private.h
View File

@ -154,6 +154,8 @@ struct _Ecore_Drm2_Output
Eina_List *planes;
void *user_data;
Ecore_Drm2_Release_Handler release_cb;
void *release_data;
Eina_Bool connected : 1;
Eina_Bool primary : 1;