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evas_drm: replace outbuf fb array with a list 

Summary:
This is just a step towards making it a variable length.

ref T7099
Depends on D6562

Reviewers: devilhorns

Reviewed By: devilhorns

Subscribers: cedric, #committers, zmike

Tags: #efl

Maniphest Tasks: T7099

Differential Revision: https://phab.enlightenment.org/D6563
This commit is contained in:
Derek Foreman 2018-07-10 16:13:52 -04:00 committed by Chris Michael
parent f783163ca5
commit 5d30f2b0b3
2 changed files with 26 additions and 23 deletions
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3
src/modules/evas/engines/drm/evas_engine.h
View File

@ -63,7 +63,8 @@ struct _Outbuf
struct
{
int num;
Outbuf_Fb *ofb[MAX_BUFFERS], *draw;
Eina_List *fb_list;
Outbuf_Fb *draw;
Ecore_Drm2_Output *output;
Ecore_Drm2_Plane *plane;
Eina_List *pending;

46
src/modules/evas/engines/drm/evas_outbuf.c
View File

@ -118,7 +118,7 @@ _outbuf_setup(Evas_Engine_Info_Drm *info, int w, int h)
WRN("Failed to create framebuffer %d", i);
continue;
}
ob->priv.ofb[i] = ofb;
ob->priv.fb_list = eina_list_append(ob->priv.fb_list, ofb);
}
return ob;
@ -127,7 +127,7 @@ _outbuf_setup(Evas_Engine_Info_Drm *info, int w, int h)
void
_outbuf_free(Outbuf *ob)
{
int i = 0;
Outbuf_Fb *ofb;
while (ob->priv.pending)
{
@ -154,8 +154,8 @@ _outbuf_free(Outbuf *ob)
_outbuf_flush(ob, NULL, NULL, EVAS_RENDER_MODE_UNDEF);
for (i = 0; i < ob->priv.num; i++)
_outbuf_fb_destroy(ob->priv.ofb[i]);
EINA_LIST_FREE(ob->priv.fb_list, ofb)
_outbuf_fb_destroy(ofb);
free(ob);
}
@ -222,8 +222,8 @@ _outbuf_reconfigure(Outbuf *ob, int w, int h, int rotation, Outbuf_Depth depth)
ob->format = format;
ob->rotation = rotation;
for (i = 0; i < ob->priv.num; i++)
_outbuf_fb_destroy(ob->priv.ofb[i]);
EINA_LIST_FREE(ob->priv.fb_list, ofb)
_outbuf_fb_destroy(ofb);
if ((ob->rotation == 0) || (ob->rotation == 180))
{
@ -245,7 +245,7 @@ _outbuf_reconfigure(Outbuf *ob, int w, int h, int rotation, Outbuf_Depth depth)
WRN("Failed to create framebuffer %d", i);
continue;
}
ob->priv.ofb[i] = ofb;
ob->priv.fb_list = eina_list_append(ob->priv.fb_list, ofb);
}
/* TODO: idle flush */
@ -254,29 +254,31 @@ _outbuf_reconfigure(Outbuf *ob, int w, int h, int rotation, Outbuf_Depth depth)
static Outbuf_Fb *
_outbuf_fb_wait(Outbuf *ob)
{
int i = 0, best = -1, best_age = -1;
Eina_List *l;
Outbuf_Fb *ofb, *best = NULL;
int best_age = -1;
/* We pick the oldest available buffer to avoid using the same two
* repeatedly and then having the third be stale when we need it
*/
for (i = 0; i < ob->priv.num; i++)
EINA_LIST_FOREACH(ob->priv.fb_list, l, ofb)
{
if (ecore_drm2_fb_busy_get(ob->priv.ofb[i]->fb)) continue;
if (ob->priv.ofb[i]->valid && (ob->priv.ofb[i]->age > best_age))
if (ecore_drm2_fb_busy_get(ofb->fb)) continue;
if (ofb->valid && (ofb->age > best_age))
{
best = i;
best_age = ob->priv.ofb[i]->age;
best = ofb;
best_age = best->age;
}
}
if (best >= 0) return ob->priv.ofb[best];
return NULL;
return best;
}
static Eina_Bool
_outbuf_fb_assign(Outbuf *ob)
{
int i;
Outbuf_Fb *ofb;
Eina_List *l;
ob->priv.draw = _outbuf_fb_wait(ob);
while (!ob->priv.draw)
@ -285,15 +287,15 @@ _outbuf_fb_assign(Outbuf *ob)
ob->priv.draw = _outbuf_fb_wait(ob);
}
for (i = 0; i < ob->priv.num; i++)
EINA_LIST_FOREACH(ob->priv.fb_list, l, ofb)
{
if ((ob->priv.ofb[i]->valid) && (ob->priv.ofb[i]->drawn))
if ((ofb->valid) && (ofb->drawn))
{
ob->priv.ofb[i]->age++;
if (ob->priv.ofb[i]->age > 4)
ofb->age++;
if (ofb->age > 4)
{
ob->priv.ofb[i]->age = 0;
ob->priv.ofb[i]->drawn = EINA_FALSE;
ofb->age = 0;
ofb->drawn = EINA_FALSE;
}
}
}