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authorKeith Packard <keithp@keithp.com>2014-12-16 09:56:50 -0800
committerKeith Packard <keithp@keithp.com>2014-12-16 19:30:37 -0800
commit33f5035e3caaac6586950d96131e9eb8eec8d91c (patch)
tree3eb4fa61316c59efb219daf8854a0c75a8b97cbf
parenta7dc564f32b13b5ee6e1853a5e28cbca184eac89 (diff)
randr: Use Monitor list for Xineramarandr-monitors
This replaces the CRTC-based Xinerama implementation with one which uses Monitors instead, allowing clients to manipulate the Xinerama configuration through the RandR Monitor list. Signed-off-by: Keith Packard <keithp@keithp.com>
-rw-r--r--randr/rrxinerama.c110
1 files changed, 20 insertions, 90 deletions
diff --git a/randr/rrxinerama.c b/randr/rrxinerama.c
index 26894a663..d989d8ed3 100644
--- a/randr/rrxinerama.c
+++ b/randr/rrxinerama.c
@@ -147,35 +147,10 @@ ProcRRXineramaGetState(ClientPtr client)
return Success;
}
-static Bool
-RRXineramaCrtcActive(RRCrtcPtr crtc)
-{
- return crtc->mode != NULL && crtc->numOutputs > 0;
-}
-
static int
RRXineramaScreenCount(ScreenPtr pScreen)
{
- int i, n;
- ScreenPtr slave;
-
- n = 0;
- if (rrGetScrPriv(pScreen)) {
- rrScrPriv(pScreen);
- for (i = 0; i < pScrPriv->numCrtcs; i++)
- if (RRXineramaCrtcActive(pScrPriv->crtcs[i]))
- n++;
- }
-
- xorg_list_for_each_entry(slave, &pScreen->output_slave_list, output_head) {
- rrScrPrivPtr pSlavePriv;
- pSlavePriv = rrGetScrPriv(slave);
- for (i = 0; i < pSlavePriv->numCrtcs; i++)
- if (RRXineramaCrtcActive(pSlavePriv->crtcs[i]))
- n++;
- }
-
- return n;
+ return RRMonitorCountList(pScreen);
}
static Bool
@@ -274,42 +249,16 @@ ProcRRXineramaIsActive(ClientPtr client)
}
static void
-RRXineramaWriteCrtc(ClientPtr client, RRCrtcPtr crtc)
+RRXineramaWriteMonitor(ClientPtr client, RRMonitorPtr monitor)
{
xXineramaScreenInfo scratch;
- if (RRXineramaCrtcActive(crtc)) {
- ScreenPtr pScreen = crtc->pScreen;
- rrScrPrivPtr pScrPriv = rrGetScrPriv(pScreen);
- BoxRec panned_area;
-
- /* Check to see if crtc is panned and return the full area when applicable. */
- if (pScrPriv && pScrPriv->rrGetPanning &&
- pScrPriv->rrGetPanning(pScreen, crtc, &panned_area, NULL, NULL) &&
- (panned_area.x2 > panned_area.x1) &&
- (panned_area.y2 > panned_area.y1)) {
- scratch.x_org = panned_area.x1;
- scratch.y_org = panned_area.y1;
- scratch.width = panned_area.x2 - panned_area.x1;
- scratch.height = panned_area.y2 - panned_area.y1;
- }
- else {
- int width, height;
-
- RRCrtcGetScanoutSize(crtc, &width, &height);
- scratch.x_org = crtc->x;
- scratch.y_org = crtc->y;
- scratch.width = width;
- scratch.height = height;
- }
- if (client->swapped) {
- swaps(&scratch.x_org);
- swaps(&scratch.y_org);
- swaps(&scratch.width);
- swaps(&scratch.height);
- }
- WriteToClient(client, sz_XineramaScreenInfo, &scratch);
- }
+ scratch.x_org = monitor->geometry.box.x1;
+ scratch.y_org = monitor->geometry.box.y1;
+ scratch.width = monitor->geometry.box.x2 - monitor->geometry.box.x1;
+ scratch.height = monitor->geometry.box.y2 - monitor->geometry.box.y1;
+
+ WriteToClient(client, sz_XineramaScreenInfo, &scratch);
}
int
@@ -317,21 +266,23 @@ ProcRRXineramaQueryScreens(ClientPtr client)
{
xXineramaQueryScreensReply rep;
ScreenPtr pScreen = screenInfo.screens[RR_XINERAMA_SCREEN];
- int n = 0;
- int i;
+ int m;
+ RRMonitorPtr monitors = NULL;
+ int nmonitors = 0;
REQUEST_SIZE_MATCH(xXineramaQueryScreensReq);
if (RRXineramaScreenActive(pScreen)) {
RRGetInfo(pScreen, FALSE);
- n = RRXineramaScreenCount(pScreen);
+ if (!RRMonitorMakeList(pScreen, &monitors, &nmonitors))
+ return BadAlloc;
}
rep = (xXineramaQueryScreensReply) {
.type = X_Reply,
.sequenceNumber = client->sequence,
- .length = bytes_to_int32(n * sz_XineramaScreenInfo),
- .number = n
+ .length = bytes_to_int32(nmonitors * sz_XineramaScreenInfo),
+ .number = nmonitors
};
if (client->swapped) {
swaps(&rep.sequenceNumber);
@@ -340,32 +291,11 @@ ProcRRXineramaQueryScreens(ClientPtr client)
}
WriteToClient(client, sizeof(xXineramaQueryScreensReply), &rep);
- if (n) {
- ScreenPtr slave;
- rrScrPriv(pScreen);
- int has_primary = 0;
-
- if (pScrPriv->primaryOutput && pScrPriv->primaryOutput->crtc) {
- has_primary = 1;
- RRXineramaWriteCrtc(client, pScrPriv->primaryOutput->crtc);
- }
-
- for (i = 0; i < pScrPriv->numCrtcs; i++) {
- if (has_primary &&
- pScrPriv->primaryOutput->crtc == pScrPriv->crtcs[i]) {
- has_primary = 0;
- continue;
- }
- RRXineramaWriteCrtc(client, pScrPriv->crtcs[i]);
- }
-
- xorg_list_for_each_entry(slave, &pScreen->output_slave_list, output_head) {
- rrScrPrivPtr pSlavePriv;
- pSlavePriv = rrGetScrPriv(slave);
- for (i = 0; i < pSlavePriv->numCrtcs; i++)
- RRXineramaWriteCrtc(client, pSlavePriv->crtcs[i]);
- }
- }
+ for (m = 0; m < nmonitors; m++)
+ RRXineramaWriteMonitor(client, &monitors[m]);
+
+ if (monitors)
+ RRMonitorFreeList(monitors, nmonitors);
return Success;
}