Attachment 396 Details for Bug 780 – adds RRSetScreenConfig function

[patch] adds RRSetScreenConfig function

randr.diff (text/plain), 3.27 KB, created by Alexander Gottwald on 2004-06-21 07:09:10 UTC

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Creator: Alexander Gottwald

Created: 2004-06-21 07:09:10 UTC

Size: 3.27 KB

patch

obsolete

>? randr/Makefile
>Index: randr/randr.c
>===================================================================
>RCS file: /cvs/xorg/xc/programs/Xserver/randr/randr.c,v
>retrieving revision 1.2
>diff -u -r1.2 randr.c
>--- randr/randr.c	23 Apr 2004 19:54:28 -0000	1.2
>+++ randr/randr.c	21 Jun 2004 14:05:27 -0000
>@@ -719,7 +719,7 @@
> 
>     pScreen = pDraw->pScreen;
> 
>-    pScrPriv= rrGetScrPriv(pScreen);
>+    pScrPriv = rrGetScrPriv(pScreen);
>     
>     time = ClientTimeToServerTime(stuff->timestamp);
>     configTime = ClientTimeToServerTime(stuff->configTimestamp);
>@@ -900,6 +900,109 @@
>     return (client->noClientException);
> }
> 
>+int
>+RRSetScreenConfig (ScreenPtr		pScreen,
>+		   Rotation		rotation,
>+		   int			rate,
>+		   RRScreenSizePtr	pSize)
>+{
>+    rrScrPrivPtr	    pScrPriv;
>+    int			    i;
>+    short		    oldWidth, oldHeight;
>+
>+    pScrPriv = rrGetScrPriv(pScreen);
>+    
>+    oldWidth = pScreen->width;
>+    oldHeight = pScreen->height;
>+    
>+    if (!RRGetInfo (pScreen))
>+	return BadAlloc;
>+    
>+    /*
>+     * Validate requested rotation
>+     */
>+
>+    /* test the rotation bits only! */
>+    switch (rotation & 0xf) {
>+    case RR_Rotate_0:
>+    case RR_Rotate_90:
>+    case RR_Rotate_180:
>+    case RR_Rotate_270:
>+	break;
>+    default:
>+	/*
>+	 * Invalid rotation
>+	 */
>+	return BadValue;
>+    }
>+
>+    if ((~pScrPriv->rotations) & rotation)
>+    {
>+	/*
>+	 * requested rotation or reflection not supported by screen
>+	 */
>+	return BadMatch;
>+    }
>+
>+    /*
>+     * Validate requested refresh
>+     */
>+    if (rate)
>+    {
>+	for (i = 0; i < pSize->nRates; i++)
>+	{
>+	    RRScreenRatePtr pRate = &pSize->pRates[i];
>+	    if (pRate->referenced && pRate->rate == rate)
>+		break;
>+	}
>+	if (i == pSize->nRates)
>+	{
>+	    /*
>+	     * Invalid rate
>+	     */
>+	    return BadValue;
>+	}
>+    }
>+
>+    /*
>+     * call out to ddx routine to effect the change
>+     */
>+    if (!(*pScrPriv->rrSetConfig) (pScreen, rotation, rate,
>+				   pSize))
>+    {
>+	/*
>+	 * unknown DDX failure, report to client
>+	 */
>+        return BadImplementation;
>+    }
>+    
>+    /*
>+     * set current extension configuration pointers
>+     */
>+    RRSetCurrentConfig (pScreen, rotation, rate, pSize);
>+    
>+    /*
>+     * Deliver ScreenChangeNotify events whenever
>+     * the configuration is updated
>+     */
>+    WalkTree (pScreen, TellChanged, (pointer) pScreen);
>+    
>+    /*
>+     * Deliver ConfigureNotify events when root changes
>+     * pixel size
>+     */
>+    if (oldWidth != pScreen->width || oldHeight != pScreen->height)
>+	RRSendConfigNotify (pScreen);
>+    RREditConnectionInfo (pScreen);
>+    
>+    /*
>+     * Fix pointer bounds and location
>+     */
>+    ScreenRestructured (pScreen);
>+    
>+    return Success;
>+}
>+
> static int
> ProcRRSelectInput (ClientPtr client)
> {
>Index: randr/randrstr.h
>===================================================================
>RCS file: /cvs/xorg/xc/programs/Xserver/randr/randrstr.h,v
>retrieving revision 1.2
>diff -u -r1.2 randrstr.h
>--- randr/randrstr.h	23 Apr 2004 19:54:28 -0000	1.2
>+++ randr/randrstr.h	21 Jun 2004 14:05:27 -0000
>@@ -113,7 +113,13 @@
> 		    RRScreenSizePtr	pSize);
> 
> Bool RRScreenInit(ScreenPtr pScreen);
>-    
>+
>+int
>+RRSetScreenConfig (ScreenPtr		pScreen,
>+		   Rotation		rotation,
>+		   int			rate,
>+		   RRScreenSizePtr	pSize);
>+
> Bool
> miRandRInit (ScreenPtr pScreen);
>

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