Commit ae99ea0b authored by Łukasz Spintzyk's avatar Łukasz Spintzyk
Browse files

present: fallback get_crtc to return crtc belonging to screen with present extension

Since crtc can belong to secondary output that may not have present
extension enabled we should fallback to first enabled crtc or fake crtc.

Fix for issue xorg/xserver#1195
parent f6f2f203
Pipeline #363312 passed with stages
in 5 minutes and 12 seconds
......@@ -44,11 +44,19 @@ present_get_crtc(WindowPtr window)
{
ScreenPtr screen = window->drawable.pScreen;
present_screen_priv_ptr screen_priv = present_screen_priv(screen);
RRCrtcPtr crtc = NULL;
if (!screen_priv)
return NULL;
return screen_priv->get_crtc(screen_priv, window);
crtc = screen_priv->get_crtc(screen_priv, window);
if (crtc && !present_screen_priv(crtc->pScreen)) {
crtc = RRFirstEnabledCrtc(screen);
}
if (crtc && !present_screen_priv(crtc->pScreen)) {
crtc = NULL;
}
return crtc;
}
/*
......
......@@ -697,6 +697,33 @@ RRFirstOutput(ScreenPtr pScreen)
return NULL;
}
RRCrtcPtr
RRFirstEnabledCrtc(ScreenPtr pScreen)
{
rrScrPriv(pScreen);
RROutputPtr output;
int i, j;
if (!pScrPriv)
return NULL;
if (pScrPriv->primaryOutput && pScrPriv->primaryOutput->crtc &&
pScrPriv->primaryOutput->pScreen == pScreen)
return pScrPriv->primaryOutput->crtc;
for (i = 0; i < pScrPriv->numCrtcs; i++) {
RRCrtcPtr crtc = pScrPriv->crtcs[i];
for (j = 0; j < pScrPriv->numOutputs; j++) {
output = pScrPriv->outputs[j];
if (output->crtc == crtc && crtc->mode)
return crtc;
}
}
return NULL;
}
CARD16
RRVerticalRefresh(xRRModeInfo * mode)
{
......
......@@ -593,6 +593,8 @@ extern _X_EXPORT Bool RRScreenInit(ScreenPtr pScreen);
extern _X_EXPORT RROutputPtr RRFirstOutput(ScreenPtr pScreen);
extern _X_EXPORT RRCrtcPtr RRFirstEnabledCrtc(ScreenPtr pScreen);
extern _X_EXPORT Bool RROutputSetNonDesktop(RROutputPtr output, Bool non_desktop);
extern _X_EXPORT CARD16
......
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