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#ifdef HAVE_CONFIG_H
# include <config.h>
#endif
#include "ecore_wl2_private.h"
#include <sys/types.h>
#include <sys/stat.h>
#include "linux-dmabuf-unstable-v1-client-protocol.h"
#define MAX_BUFFERS 4
static Eina_List *_smanagers = NULL;
static int _smanager_count = 0;
int ECORE_WL2_SURFACE_DMABUF = 0;
typedef struct _Ecore_Wl2_Dmabuf_Private
{
Ecore_Wl2_Buffer *current;
Eina_List *buffers;
} Ecore_Wl2_Dmabuf_Private;
static void *
_evas_dmabuf_surface_setup(Ecore_Wl2_Window *win)
{
Ecore_Wl2_Dmabuf_Private *priv;
Ecore_Wl2_Display *ewd;
Ecore_Wl2_Buffer_Type types = 0;
priv = calloc(1, sizeof(*priv));
if (!priv) return NULL;
ewd = ecore_wl2_window_display_get(win);
if (ecore_wl2_display_shm_get(ewd))
types |= ECORE_WL2_BUFFER_SHM;
if (ecore_wl2_display_dmabuf_get(ewd))
types |= ECORE_WL2_BUFFER_DMABUF;
if (!ecore_wl2_buffer_init(ewd, types))
{
free(priv);
return NULL;
}
return priv;
}
static void
_evas_dmabuf_surface_reconfigure(Ecore_Wl2_Surface *s EINA_UNUSED, void *priv_data, int w, int h, uint32_t flags EINA_UNUSED)
{
Ecore_Wl2_Dmabuf_Private *p;
Ecore_Wl2_Buffer *b;
Eina_List *l, *tmp;
p = priv_data;
if ((!w) || (!h)) return;
EINA_LIST_FOREACH_SAFE(p->buffers, l, tmp, b)
{
if (ecore_wl2_buffer_fit(b, w, h))
continue;
ecore_wl2_buffer_destroy(b);
p->buffers = eina_list_remove_list(p->buffers, l);
}
}
static void *
_evas_dmabuf_surface_data_get(Ecore_Wl2_Surface *s EINA_UNUSED, void *priv_data, int *w, int *h)
{
Ecore_Wl2_Dmabuf_Private *p;
Ecore_Wl2_Buffer *b;
void *ptr;
int stride;
p = priv_data;
b = p->current;
if (!b) return NULL;
ptr = ecore_wl2_buffer_map(b, NULL, h, &stride);
if (!ptr) return NULL;
/* We return stride/bpp because it may not match the allocated
* width. evas will figure out the clipping
*/
if (w) *w = stride / 4;
return ptr;
}
static Ecore_Wl2_Buffer *
_evas_dmabuf_surface_wait(Ecore_Wl2_Surface *s, Ecore_Wl2_Dmabuf_Private *p)
{
Ecore_Wl2_Buffer *b, *best = NULL;
Eina_List *l;
int best_age = -1;
int age;
EINA_LIST_FOREACH(p->buffers, l, b)
{
if (ecore_wl2_buffer_busy_get(b)) continue;
age = ecore_wl2_buffer_age_get(b);
if (age > best_age)
{
best = b;
best_age = age;
}
}
if (!best && (eina_list_count(p->buffers) < MAX_BUFFERS))
{
best = ecore_wl2_surface_buffer_create(s);
/* Start at -1 so it's age is incremented to 0 for first draw */
ecore_wl2_buffer_age_set(best, -1);
p->buffers = eina_list_append(p->buffers, best);
}
return best;
}
static int
_evas_dmabuf_surface_assign(Ecore_Wl2_Surface *s, void *priv_data)
{
Ecore_Wl2_Dmabuf_Private *p;
Ecore_Wl2_Buffer *b;
Eina_List *l;
p = priv_data;
p->current = _evas_dmabuf_surface_wait(s, p);
if (!p->current)
{
/* Should be unreachable and will result in graphical
* anomalies - we should probably blow away all the
* existing buffers and start over if we actually
* see this happen...
*/
WRN("No free DMAbuf buffers, dropping a frame");
EINA_LIST_FOREACH(p->buffers, l, b)
ecore_wl2_buffer_age_set(b, 0);
return 0;
}
EINA_LIST_FOREACH(p->buffers, l, b)
ecore_wl2_buffer_age_inc(b);
return ecore_wl2_buffer_age_get(p->current);
}
static void
_evas_dmabuf_surface_post(Ecore_Wl2_Surface *s, void *priv_data, Eina_Rectangle *rects, unsigned int count)
{
Ecore_Wl2_Dmabuf_Private *p;
Ecore_Wl2_Buffer *b;
p = priv_data;
b = p->current;
if (!b) return;
ecore_wl2_buffer_unlock(b);
p->current = NULL;
ecore_wl2_buffer_busy_set(b);
ecore_wl2_buffer_age_set(b, 0);
ecore_wl2_window_buffer_attach(s->wl2_win, b->wl_buffer, 0, 0, EINA_FALSE);
ecore_wl2_window_damage(s->wl2_win, rects, count);
ecore_wl2_window_commit(s->wl2_win, EINA_TRUE);
}
static void
_evas_dmabuf_surface_destroy(Ecore_Wl2_Surface *s EINA_UNUSED, void *priv_data)
{
Ecore_Wl2_Dmabuf_Private *p;
Ecore_Wl2_Buffer *b;
p = priv_data;
EINA_LIST_FREE(p->buffers, b)
ecore_wl2_buffer_destroy(b);
}
static void
_evas_dmabuf_surface_flush(Ecore_Wl2_Surface *surface EINA_UNUSED, void *priv_data)
{
Ecore_Wl2_Dmabuf_Private *p;
Ecore_Wl2_Buffer *b;
p = priv_data;
EINA_LIST_FREE(p->buffers, b)
ecore_wl2_buffer_destroy(b);
}
EAPI void
ecore_wl2_surface_destroy(Ecore_Wl2_Surface *surface)
{
EINA_SAFETY_ON_NULL_RETURN(surface);
surface->funcs->destroy(surface, surface->private_data);
surface->wl2_win = NULL;
free(surface);
}
EAPI void
ecore_wl2_surface_reconfigure(Ecore_Wl2_Surface *surface, int w, int h, uint32_t flags)
{
EINA_SAFETY_ON_NULL_RETURN(surface);
surface->funcs->reconfigure(surface, surface->private_data, w, h, flags);
surface->w = w;
surface->h = h;
}
EAPI void *
ecore_wl2_surface_data_get(Ecore_Wl2_Surface *surface, int *w, int *h)
{
EINA_SAFETY_ON_NULL_RETURN_VAL(surface, NULL);
return surface->funcs->data_get(surface, surface->private_data, w, h);
}
EAPI int
ecore_wl2_surface_assign(Ecore_Wl2_Surface *surface)
{
EINA_SAFETY_ON_NULL_RETURN_VAL(surface, 0);
return surface->funcs->assign(surface, surface->private_data);
}
EAPI void
ecore_wl2_surface_post(Ecore_Wl2_Surface *surface, Eina_Rectangle *rects, unsigned int count)
{
EINA_SAFETY_ON_NULL_RETURN(surface);
surface->funcs->post(surface, surface->private_data, rects, count);
}
EAPI void
ecore_wl2_surface_flush(Ecore_Wl2_Surface *surface)
{
EINA_SAFETY_ON_NULL_RETURN(surface);
surface->funcs->flush(surface, surface->private_data);
}
static Ecore_Wl2_Surface_Interface dmabuf_smanager =
{
.version = 1,
.setup = _evas_dmabuf_surface_setup,
.destroy = _evas_dmabuf_surface_destroy,
.reconfigure = _evas_dmabuf_surface_reconfigure,
.data_get = _evas_dmabuf_surface_data_get,
.assign = _evas_dmabuf_surface_assign,
.post = _evas_dmabuf_surface_post,
.flush = _evas_dmabuf_surface_flush
};
EAPI Ecore_Wl2_Surface *
ecore_wl2_surface_create(Ecore_Wl2_Window *win, Eina_Bool alpha)
{
Ecore_Wl2_Surface *out;
Eina_List *l;
Ecore_Wl2_Surface_Interface *intf;
EINA_SAFETY_ON_NULL_RETURN_VAL(win, NULL);
EINA_SAFETY_ON_NULL_RETURN_VAL(_smanagers, NULL);
if (win->wl2_surface) return win->wl2_surface;
out = calloc(1, sizeof(*out));
if (!out) return NULL;
out->wl2_win = win;
out->alpha = alpha;
out->w = 0;
out->h = 0;
EINA_LIST_FOREACH(_smanagers, l, intf)
{
out->private_data = intf->setup(win);
if (out->private_data)
{
out->funcs = intf;
win->wl2_surface = out;
return out;
}
}
free(out);
return NULL;
}
EAPI Ecore_Wl2_Buffer *
ecore_wl2_surface_buffer_create(Ecore_Wl2_Surface *surface)
{
Ecore_Wl2_Display *ewd;
EINA_SAFETY_ON_NULL_RETURN_VAL(surface, NULL);
ewd = ecore_wl2_window_display_get(surface->wl2_win);
EINA_SAFETY_ON_NULL_RETURN_VAL(ewd, NULL);
return ecore_wl2_buffer_create(ewd, surface->w, surface->h, surface->alpha);
}
EAPI int
ecore_wl2_surface_manager_add(Ecore_Wl2_Surface_Interface *intf)
{
if (intf->version < ECORE_WL2_SURFACE_INTERFACE_VERSION)
return 0;
_smanagers = eina_list_prepend(_smanagers, intf);
intf->id = ++_smanager_count;
return intf->id;
}
EAPI void
ecore_wl2_surface_manager_del(Ecore_Wl2_Surface_Interface *intf)
{
_smanagers = eina_list_remove(_smanagers, intf);
}
/* TEMPORARY HACK FOR TESTING */
Eina_Bool
ecore_wl2_surface_manager_dmabuf_add(void)
{
ECORE_WL2_SURFACE_DMABUF = ecore_wl2_surface_manager_add(&dmabuf_smanager);
if (ECORE_WL2_SURFACE_DMABUF < 1)
return EINA_FALSE;
return EINA_TRUE;
}
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