Bool
glamor_sync_init(ScreenPtr screen)
{
#if XSYNC
glamor_screen_private *glamor = glamor_get_screen_private(screen);
SyncScreenFuncsPtr screen_funcs;
if (!dixPrivateKeyRegistered(&glamor_sync_fence_key)) {
if (!dixRegisterPrivateKey(&glamor_sync_fence_key,
PRIVATE_SYNC_FENCE,
sizeof (struct glamor_sync_fence)))
return FALSE;
}
if (!miSyncShmScreenInit(screen))
return FALSE;
screen_funcs = miSyncGetScreenFuncs(screen);
glamor->saved_procs.sync_screen_funcs.CreateFence = screen_funcs->CreateFence;
screen_funcs->CreateFence = glamor_sync_create_fence;
#endif
return TRUE;
}
xf86CrtcPtr
radeon_pick_best_crtc(ScrnInfoPtr pScrn, Bool consider_disabled,
int x1, int x2, int y1, int y2)
{
xf86CrtcConfigPtr xf86_config = XF86_CRTC_CONFIG_PTR(pScrn);
int coverage, best_coverage, c;
BoxRec box, crtc_box, cover_box;
RROutputPtr primary_output = NULL;
xf86CrtcPtr best_crtc = NULL, primary_crtc = NULL;
if (!pScrn->vtSema)
return NULL;
box.x1 = x1;
box.x2 = x2;
box.y1 = y1;
box.y2 = y2;
best_coverage = 0;
/* Prefer the CRTC of the primary output */
#ifdef HAS_DIXREGISTERPRIVATEKEY
if (dixPrivateKeyRegistered(rrPrivKey))
#endif
{
primary_output = RRFirstOutput(pScrn->pScreen);
}
if (primary_output && primary_output->crtc)
primary_crtc = primary_output->crtc->devPrivate;
/* first consider only enabled CRTCs */
for (c = 0; c < xf86_config->num_crtc; c++) {
xf86CrtcPtr crtc = xf86_config->crtc[c];
if (!radeon_crtc_is_enabled(crtc))
continue;
radeon_crtc_box(crtc, &crtc_box);
radeon_box_intersect(&cover_box, &crtc_box, &box);
coverage = radeon_box_area(&cover_box);
if (coverage > best_coverage ||
(coverage == best_coverage && crtc == primary_crtc)) {
best_crtc = crtc;
best_coverage = coverage;
}
}
if (best_crtc || !consider_disabled)
return best_crtc;
/* if we found nothing, repeat the search including disabled CRTCs */
for (c = 0; c < xf86_config->num_crtc; c++) {
xf86CrtcPtr crtc = xf86_config->crtc[c];
radeon_crtc_box(crtc, &crtc_box);
radeon_box_intersect(&cover_box, &crtc_box, &box);
coverage = radeon_box_area(&cover_box);
if (coverage > best_coverage ||
(coverage == best_coverage && crtc == primary_crtc)) {
best_crtc = crtc;
best_coverage = coverage;
}
}
return best_crtc;
}
