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Traditional xinerama extension support. Based on patch by Jurg Billeter.

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This commit is contained in:
David Reveman 2006-09-25 16:10:43 -04:00
parent 526238a26d
commit 1978343ef4
1 changed files with 181 additions and 1 deletions
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182
hw/xgl/glx/xglx.c
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@ -44,6 +44,11 @@
#include "randrstr.h"
#endif
#ifdef PANORAMIX
#include <X11/extensions/panoramiXproto.h>
#include "extnsionst.h"
#endif
#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
@ -507,6 +512,170 @@ xglxEnqueueEvents (void)
}
}
#ifdef PANORAMIX
static int xglxXineramaGeneration = -1;
static void
xglxXineramaResetProc (ExtensionEntry *extEntry)
{
}
static int
xglxProcXineramaQueryVersion (ClientPtr client)
{
xPanoramiXQueryVersionReply rep;
register int n;
int majorVersion, minorVersion;
REQUEST_SIZE_MATCH (xPanoramiXQueryVersionReq);
XineramaQueryVersion (xdisplay, &majorVersion, &minorVersion);
rep.type = X_Reply;
rep.length = 0;
rep.sequenceNumber = client->sequence;
rep.majorVersion = majorVersion;
rep.minorVersion = minorVersion;
if (client->swapped)
{
swaps (&rep.sequenceNumber, n);
swapl (&rep.length, n);
swaps (&rep.majorVersion, n);
swaps (&rep.minorVersion, n);
}
WriteToClient (client, sizeof (xPanoramiXQueryVersionReply), (char *) &rep);
return client->noClientException;
}
static int
xglxProcXineramaIsActive (ClientPtr client)
{
xXineramaIsActiveReply rep;
REQUEST_SIZE_MATCH (xXineramaIsActiveReq);
rep.type = X_Reply;
rep.length = 0;
rep.sequenceNumber = client->sequence;
rep.state = XineramaIsActive (xdisplay);
if (client->swapped)
{
register int n;
swaps (&rep.sequenceNumber, n);
swapl (&rep.length, n);
swapl (&rep.state, n);
}
WriteToClient (client, sizeof (xXineramaIsActiveReply), (char *) &rep);
return client->noClientException;
}
static int
xglxProcXineramaQueryScreens (ClientPtr client)
{
xXineramaQueryScreensReply rep;
xXineramaScreenInfo scratch;
XineramaScreenInfo *info;
int n;
REQUEST_SIZE_MATCH (xXineramaQueryScreensReq);
info = XineramaQueryScreens (xdisplay, &n);
rep.type = X_Reply;
rep.sequenceNumber = client->sequence;
rep.number = n;
rep.length = n * sz_XineramaScreenInfo >> 2;
if (client->swapped)
{
register int n;
swaps (&rep.sequenceNumber, n);
swapl (&rep.length, n);
swapl (&rep.number, n);
}
WriteToClient (client, sizeof (xXineramaQueryScreensReply), (char *) &rep);
if (info)
{
xXineramaScreenInfo scratch;
int i;
for (i = 0; i < rep.number; i++)
{
scratch.x_org = info[i].x_org;
scratch.y_org = info[i].y_org;
scratch.width = info[i].width;
scratch.height = info[i].height;
if (client->swapped)
{
register int n;
swaps (&scratch.x_org, n);
swaps (&scratch.y_org, n);
swaps (&scratch.width, n);
swaps (&scratch.height, n);
}
WriteToClient (client, sz_XineramaScreenInfo, (char *) &scratch);
}
XFree (info);
}
return client->noClientException;
}
static int
xglxProcXineramaDispatch (ClientPtr client)
{
REQUEST (xReq);
switch (stuff->data) {
case X_PanoramiXQueryVersion:
return xglxProcXineramaQueryVersion (client);
case X_XineramaIsActive:
return xglxProcXineramaIsActive (client);
case X_XineramaQueryScreens:
return xglxProcXineramaQueryScreens (client);
}
return BadRequest;
}
static Bool
xglxXineramaInit (void)
{
ExtensionEntry *extEntry;
if (xglxXineramaGeneration != serverGeneration)
{
extEntry = AddExtension (PANORAMIX_PROTOCOL_NAME, 0,0,
xglxProcXineramaDispatch,
xglxProcXineramaDispatch,
xglxXineramaResetProc,
StandardMinorOpcode);
if (!extEntry)
return FALSE;
xglxXineramaGeneration = serverGeneration;
}
return TRUE;
}
#endif
static void
xglxConstrainCursor (ScreenPtr pScreen,
BoxPtr pBox)
@ -1061,6 +1230,11 @@ xglxInitOutput (ScreenInfo *pScreenInfo,
xglxScreenFormat = format;
#ifdef PANORAMIX
if (!noPanoramiXExtension)
xglxXineramaInit ();
#endif
for (i = 0; i < numScreen; i++)
AddScreen (xglxScreenInit, argc, argv);
}
@ -1618,7 +1792,13 @@ xglxOsVendorInit (void)
preferBlanking, allowExposures);
XResetScreenSaver (xdisplay);
if (XineramaIsActive (xdisplay))
if (XineramaIsActive (xdisplay)
#ifdef PANORAMIX
&& noPanoramiXExtension
#endif
)
{
XineramaScreenInfo *info;
int nInfo = 0;