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#include "ecore_drm2_private.h"
static Eina_Bool
_plane_format_supported(Ecore_Drm2_Plane_State *pstate, uint32_t format)
{
Eina_Bool ret = EINA_FALSE;
unsigned int i = 0;
for (; i < pstate->num_formats; i++)
{
if (pstate->formats[i] == format)
{
ret = EINA_TRUE;
break;
}
}
return ret;
}
static void
_plane_cursor_size_get(int fd, int *width, int *height)
{
uint64_t caps;
int ret;
if (width)
{
*width = 64;
ret = sym_drmGetCap(fd, DRM_CAP_CURSOR_WIDTH, &caps);
if (ret == 0) *width = caps;
}
if (height)
{
*height = 64;
ret = sym_drmGetCap(fd, DRM_CAP_CURSOR_HEIGHT, &caps);
if (ret == 0) *height = caps;
}
}
EAPI Ecore_Drm2_Plane *
ecore_drm2_plane_assign(Ecore_Drm2_Output *output, Ecore_Drm2_Fb *fb)
{
#ifdef HAVE_ATOMIC_DRM
Eina_List *l;
Ecore_Drm2_Plane *plane;
Ecore_Drm2_Plane_State *pstate;
if (!_ecore_drm2_use_atomic) return NULL;
/* use algo based on format, size, etc to find a plane this FB can go in */
EINA_LIST_FOREACH(output->plane_states, l, pstate)
{
/* test if this plane supports the given format */
if (!_plane_format_supported(pstate, fb->format))
continue;
if (pstate->type.value == DRM_PLANE_TYPE_CURSOR)
{
int cw, ch;
_plane_cursor_size_get(output->fd, &cw, &ch);
/* check that this fb can fit in cursor plane */
if ((fb->w > cw) || (fb->h > ch))
continue;
/* if we reach here, this FB can go on the cursor plane */
goto out;
}
else if (pstate->type.value == DRM_PLANE_TYPE_OVERLAY)
{
/* there are no size checks for an overlay plane */
goto out;
}
else if (pstate->type.value == DRM_PLANE_TYPE_PRIMARY)
{
if ((fb->w > output->current_mode->width) ||
(fb->h > output->current_mode->height))
continue;
/* if we reach here, this FB can go on the primary plane */
goto out;
}
}
return NULL;
out:
/* create plane */
plane = calloc(1, sizeof(Ecore_Drm2_Plane));
if (!plane) return NULL;
pstate->cid.value = output->crtc_id;
pstate->fid.value = fb->id;
pstate->sx.value = 0;
pstate->sy.value = 0;
pstate->sw.value = fb->w << 16;
pstate->sh.value = fb->h << 16;
plane->type = pstate->type.value;
plane->qfb = fb;
plane->state = pstate;
DBG("FB %d assigned to Plane %d", fb->id, pstate->obj_id);
output->planes = eina_list_append(output->planes, plane);
return plane;
#else
return NULL;
#endif
}
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