xserver git update 15/5/2010

1 files changed, 539 insertions, 539 deletions

diff --git a/xorg-server/hw/dmx/glxProxy/glxvisuals.c b/xorg-server/hw/dmx/glxProxy/glxvisuals.c
index 898c6be7b..6e30b4edc 100644
--- a/xorg-server/hw/dmx/glxProxy/glxvisuals.c
+++ b/xorg-server/hw/dmx/glxProxy/glxvisuals.c
@@ -1,539 +1,539 @@
-/*
- * SGI FREE SOFTWARE LICENSE B (Version 2.0, Sept. 18, 2008)
- * Copyright (C) 1991-2000 Silicon Graphics, Inc. All Rights Reserved.
- *
- * Permission is hereby granted, free of charge, to any person obtaining a
- * copy of this software and associated documentation files (the "Software"),
- * to deal in the Software without restriction, including without limitation
- * the rights to use, copy, modify, merge, publish, distribute, sublicense,
- * and/or sell copies of the Software, and to permit persons to whom the
- * Software is furnished to do so, subject to the following conditions:
- *
- * The above copyright notice including the dates of first publication and
- * either this permission notice or a reference to
- * http://oss.sgi.com/projects/FreeB/
- * shall be included in all copies or substantial portions of the Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
- * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
- * SILICON GRAPHICS, INC. BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
- * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF
- * OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
- * SOFTWARE.
- *
- * Except as contained in this notice, the name of Silicon Graphics, Inc.
- * shall not be used in advertising or otherwise to promote the sale, use or
- * other dealings in this Software without prior written authorization from
- * Silicon Graphics, Inc.
- */
-
-#ifdef HAVE_DMX_CONFIG_H
-#include <dmx-config.h>
-#endif
-
-#include <assert.h>
-#include "dmx.h"
-#include "glxserver.h"
-#include "glxutil.h"
-#include "dmx_glxvisuals.h"
-#include <stdlib.h>
-
-static int                 numConfigs     = 0;
-static __GLXvisualConfig  *visualConfigs  = NULL;
-static void              **visualPrivates = NULL;
-
-int glxVisualsMatch( __GLXvisualConfig *v1, __GLXvisualConfig *v2 )
-{
-      if ( (v1->class == v2->class) &&
-           (v1->rgba == v2->rgba) &&
-	   (v1->redSize == v2->redSize) &&
-	   (v1->greenSize == v2->greenSize) &&
-	   (v1->blueSize == v2->blueSize) &&
-	   (v1->alphaSize == v2->alphaSize) &&
-	   (v1->redMask == v2->redMask) &&
-	   (v1->greenMask == v2->greenMask) &&
-	   (v1->blueMask == v2->blueMask) &&
-	   (v1->alphaMask == v2->alphaMask) &&
-	   (v1->accumRedSize == v2->accumRedSize) &&
-	   (v1->accumGreenSize == v2->accumGreenSize) &&
-	   (v1->accumBlueSize == v2->accumBlueSize) &&
-	   (v1->accumAlphaSize == v2->accumAlphaSize) &&
-	   (v1->doubleBuffer == v2->doubleBuffer) &&
-	   (v1->stereo == v2->stereo) &&
-	   (v1->bufferSize == v2->bufferSize) &&
-	   (v1->depthSize == v2->depthSize) &&
-	   (v1->stencilSize == v2->stencilSize) &&
-	   (v1->auxBuffers == v2->auxBuffers) &&
-	   (v1->level == v2->level) &&
-	   (v1->visualRating == v2->visualRating) &&
-	   (v1->transparentPixel == v2->transparentPixel) &&
-	   (v1->transparentRed == v2->transparentRed) &&
-	   (v1->transparentGreen == v2->transparentGreen) &&
-	   (v1->transparentBlue == v2->transparentBlue) &&
-	   (v1->transparentAlpha == v2->transparentAlpha) &&
-	   (v1->transparentIndex == v2->transparentIndex) &&
-	   (v1->multiSampleSize == v2->multiSampleSize) &&
-	   (v1->nMultiSampleBuffers == v2->nMultiSampleBuffers) &&
-	   (v1->visualSelectGroup == v2->visualSelectGroup)         ) {
-
-	      return(1);
-
-      }
-
-      return(0);
-
-}
-
-VisualID glxMatchGLXVisualInConfigList( __GLXvisualConfig *pGlxVisual, __GLXvisualConfig *configs, int nconfigs )
-{
-    int i;
-
-    for (i=0; i<nconfigs; i++) {
-
-       if (glxVisualsMatch( pGlxVisual, &configs[i] )) {
-
-	  return( configs[i].vid );
-
-       }
-    }
-
-    return(0);
-}
-
-VisualID glxMatchVisualInConfigList( ScreenPtr pScreen, VisualPtr pVisual, __GLXvisualConfig *configs, int nconfigs )
-{
-    __GLXscreenInfo *pGlxScreen;
-    __GLXvisualConfig *pGlxVisual;
-    int i;
-
-    /* check that the glx extension has been initialized */
-    if ( !__glXActiveScreens ) 
-       return(0);
-
-    pGlxScreen = &__glXActiveScreens[pScreen->myNum];
-    pGlxVisual = pGlxScreen->pGlxVisual;
-
-    /* find the glx visual info for pVisual */
-    for (i = 0; i < pGlxScreen->numVisuals; i++, pGlxVisual++) {
-	if (pGlxVisual->vid == pVisual->vid) {
-	    break;
-	}
-    }
-    if (i == pGlxScreen->numVisuals) {
-	/*
-	 * the visual is not supported by glx
-	 */
-        return(0);
-    }
-
-    return( glxMatchGLXVisualInConfigList(pGlxVisual, configs, nconfigs) );
-}
-
-VisualPtr glxMatchVisual( ScreenPtr pScreen, VisualPtr pVisual, ScreenPtr pMatchScreen )
-{
-    __GLXscreenInfo *pGlxScreen2;
-    int j;
-    VisualID vid;
-
-    /* check that the glx extension has been initialized */
-    if ( !__glXActiveScreens ) 
-       return NULL;
-
-    pGlxScreen2 = &__glXActiveScreens[pMatchScreen->myNum];
-
-    vid = glxMatchVisualInConfigList( pScreen, pVisual,
-                                      pGlxScreen2->pGlxVisual,
-				      pGlxScreen2->numVisuals );
-    if (vid) {
-       /*
-    	* find the X visual of the matching glx visual
-	*/
-       for (j=0; j<pMatchScreen->numVisuals; j++) {
-	  if (vid == pMatchScreen->visuals[j].vid) {
-	     return( &pMatchScreen->visuals[j] );
-	  }
-       }
-    }
-
-    return(0);
-}
-
-void glxSetVisualConfigs(int nconfigs, __GLXvisualConfig *configs,
-                 void **privates)
-{
-    numConfigs = nconfigs;
-    visualConfigs = configs;
-    visualPrivates = privates;
-}
-
-static int count_bits(unsigned int n)
-{
-   int bits = 0;
-
-   while (n > 0) {
-      if (n & 1) bits++;
-      n >>= 1;
-   }
-   return bits;
-}
-
-static VisualID FindClosestVisual( VisualPtr pVisual, int rootDepth, 
-                                   DepthPtr pdepth, int ndepths,
-				   VisualPtr pNewVisual, int numNewVisuals)
-{
-   int d, v;
-   VisualPtr vis;
-
-   /*
-    * find the first visual with the same or deeper depth
-    * of the same class.
-    */
-   for (d=0; d<ndepths; d++) {
-      if (pdepth[d].depth >= rootDepth) {
-	 for (v=0; v<pdepth[d].numVids; v++) {
-
-	    /* find the new visual structure */
-	    vis = pNewVisual;
-	    while( pdepth[d].vids[v] != vis->vid ) vis++;
-
-	    if (vis->class == pVisual->class) {
-	       return( pdepth[d].vids[v] );
-	    }
-	 }
-      }
-   }
-
-   /*
-    * did not find any.
-    * try to look for the same class only.
-    */
-   for (d=0; d<ndepths; d++) {
-      for (v=0; v<pdepth[d].numVids; v++) {
-
-	 /* find the new visual structure */
-      	 vis = pNewVisual;
-	 while( pdepth[d].vids[v] != vis->vid ) vis++;
-
-      	 if (vis->class == pVisual->class) {
-	    return( pdepth[d].vids[v] );
-	 }
-      }
-   }
-
-   /*
-    * if not found - just take the first visual
-    */
-   return( pdepth[0].vids[0] );
-}
-
-Bool glxInitVisuals(int *nvisualp, VisualPtr *visualp,
-			 VisualID *defaultVisp,
-			 int ndepth, DepthPtr pdepth,
-			 int rootDepth)
-{
-    int numRGBconfigs;
-    int numCIconfigs;
-    int numVisuals = *nvisualp;
-    int numNewVisuals;
-    int numNewConfigs;
-    VisualPtr pVisual = *visualp;
-    VisualPtr pVisualNew = NULL;
-    VisualID *orig_vid = NULL;
-    __GLXvisualConfig *glXVisualPtr = NULL;
-    __GLXvisualConfig *pNewVisualConfigs = NULL;
-    void **glXVisualPriv;
-    dmxGlxVisualPrivate **pNewVisualPriv;
-    int found_default;
-    int i, j, k;
-    int numGLXvis = 0;
-    GLint *isGLXvis;
-
-    if (numConfigs > 0)
-        numNewConfigs = numConfigs;
-    else
-        return False;
-
-    MAXSCREENSALLOC(__glXActiveScreens);
-    if (!__glXActiveScreens)
-        return False;
-
-    /* Alloc space for the list of new GLX visuals */
-    pNewVisualConfigs = (__GLXvisualConfig *)
-                     __glXMalloc(numNewConfigs * sizeof(__GLXvisualConfig));
-    if (!pNewVisualConfigs) {
-	return FALSE;
-    }
-
-    /* Alloc space for the list of new GLX visual privates */
-    pNewVisualPriv = (dmxGlxVisualPrivate **) __glXMalloc(numNewConfigs * sizeof(dmxGlxVisualPrivate *));
-    if (!pNewVisualPriv) {
-	__glXFree(pNewVisualConfigs);
-	return FALSE;
-    }
-
-    /* copy driver's visual config info */
-    for (i = 0; i < numConfigs; i++) {
-       pNewVisualConfigs[i] = visualConfigs[i];
-       pNewVisualPriv[i] = (dmxGlxVisualPrivate *)visualPrivates[i];
-    }
-
-#if 1
-    /* FIXME: This is a hack to workaround a hang in xtest caused by a
-     * mismatch between what the front end (i.e., DMX) server calculates
-     * for the visual configs and what the back-end servers have.
-     */
-    {
-	int numTCRGBconfigs = 0;
-	int numDCRGBconfigs = 0;
-
-	numRGBconfigs = 0;
-	numCIconfigs = 0;
-
-	for (i = 0; i < numNewConfigs; i++) {
-	    if (pNewVisualConfigs[i].rgba) {
-		if (pNewVisualConfigs[i].class == TrueColor)
-		    numTCRGBconfigs++;
-		else
-		    numDCRGBconfigs++;
-		numRGBconfigs++;
-	    } else
-		numCIconfigs++;
-	}
-
-	/* Count the total number of visuals to compute */
-	numNewVisuals = 0;
-	for (i = 0; i < numVisuals; i++) {
-	    numNewVisuals +=
-		(pVisual[i].class == TrueColor)   ? numTCRGBconfigs :
-		(pVisual[i].class == DirectColor) ? numDCRGBconfigs :
-						    numCIconfigs;
-	}
-    }
-#else
-    /* Count the number of RGB and CI visual configs */
-    numRGBconfigs = 0;
-    numCIconfigs = 0;
-    for (i = 0; i < numNewConfigs; i++) {
-	if (pNewVisualConfigs[i].rgba)
-	    numRGBconfigs++;
-	else
-	    numCIconfigs++;
-    }
-
-    /* Count the total number of visuals to compute */
-    numNewVisuals = 0;
-    for (i = 0; i < numVisuals; i++) {
-        numNewVisuals +=
-	    (pVisual[i].class == TrueColor || pVisual[i].class == DirectColor)
-	    ? numRGBconfigs : numCIconfigs;
-    }
-#endif
-
-    /* Reset variables for use with the next screen/driver's visual configs */
-    visualConfigs = NULL;
-    numConfigs = 0;
-
-    /* Alloc temp space for the list of orig VisualIDs for each new visual */
-    orig_vid = (VisualID *)__glXMalloc(numNewVisuals * sizeof(VisualID));
-    if (!orig_vid) {
-	__glXFree(pNewVisualPriv);
-	__glXFree(pNewVisualConfigs);
-	return FALSE;
-    }
-
-    /* Alloc space for the list of glXVisuals */
-    glXVisualPtr = (__GLXvisualConfig *)__glXMalloc(numNewVisuals *
-						    sizeof(__GLXvisualConfig));
-    if (!glXVisualPtr) {
-	__glXFree(orig_vid);
-	__glXFree(pNewVisualPriv);
-	__glXFree(pNewVisualConfigs);
-	return FALSE;
-    }
-
-    /* Alloc space for the list of glXVisualPrivates */
-    glXVisualPriv = (void **)__glXMalloc(numNewVisuals * sizeof(void *));
-    if (!glXVisualPriv) {
-	__glXFree(glXVisualPtr);
-	__glXFree(orig_vid);
-	__glXFree(pNewVisualPriv);
-	__glXFree(pNewVisualConfigs);
-	return FALSE;
-    }
-
-    /* Alloc space for the new list of the X server's visuals */
-    pVisualNew = (VisualPtr)__glXMalloc(numNewVisuals * sizeof(VisualRec));
-    if (!pVisualNew) {
-	__glXFree(glXVisualPriv);
-	__glXFree(glXVisualPtr);
-	__glXFree(orig_vid);
-	__glXFree(pNewVisualPriv);
-	__glXFree(pNewVisualConfigs);
-	return FALSE;
-    }
-
-    isGLXvis = (GLint *) __glXMalloc(numNewVisuals * sizeof(GLint));
-    if (!isGLXvis) {
-	__glXFree(glXVisualPriv);
-	__glXFree(glXVisualPtr);
-	__glXFree(orig_vid);
-	__glXFree(pNewVisualPriv);
-	__glXFree(pNewVisualConfigs);
-	__glXFree(pVisualNew);
-	return FALSE;
-    }
-
-    /* Initialize the new visuals */
-    found_default = FALSE;
-    for (i = j = 0; i < numVisuals; i++) {
-
-	for (k = 0; k < numNewConfigs; k++) {
-
-	    int new_depth;
-	    int depth;
-	    int d,v;
-
-	    /* find the depth of the new visual config */
-	    new_depth = pNewVisualPriv[k]->x_visual_depth;
-
-	    /* find the depth of the original visual */
-	    depth = 0;
-	    d = 0;
-	    while( (depth==0) && (d < ndepth) ) {
-	       v = 0;
-	       while( (depth==0) && (v < pdepth[d].numVids) ) {
-		  if (pdepth[d].vids[v] ==  pVisual[i].vid) {
-		     depth = pdepth[d].depth;
-		  }
-		  v++;
-	       }
-	       d++;
-	    }
-
-	    /* check that the visual has the same class and depth 
-	     * as the new config
-             */
-	    if ( pVisual[i].class != pNewVisualPriv[k]->x_visual_class ||
-		  (depth != new_depth) )
-		continue;
-
-	    /* Initialize the new visual */
-	    pVisualNew[j] = pVisual[i];
-	    pVisualNew[j].vid = FakeClientID(0);
-
-	    /* Check for the default visual */
-	    if (!found_default && pVisual[i].vid == *defaultVisp) {
-		*defaultVisp = pVisualNew[j].vid;
-		found_default = TRUE;
-	    }
-
-	    /* Save the old VisualID */
-	    orig_vid[j] = pVisual[i].vid;
-
-	    /* Initialize the glXVisual */
-	    glXVisualPtr[j] = pNewVisualConfigs[k];
-	    glXVisualPtr[j].vid = pVisualNew[j].vid;
-
-	    /*
-	     * If the class is -1, then assume the X visual information
-	     * is identical to what GLX needs, and take them from the X
-	     * visual.  NOTE: if class != -1, then all other fields MUST
-	     * be initialized.
-	     */
-	    if (glXVisualPtr[j].class == -1) {
-		glXVisualPtr[j].class      = pVisual[i].class;
-		glXVisualPtr[j].redSize    = count_bits(pVisual[i].redMask);
-		glXVisualPtr[j].greenSize  = count_bits(pVisual[i].greenMask);
-		glXVisualPtr[j].blueSize   = count_bits(pVisual[i].blueMask);
-		glXVisualPtr[j].alphaSize  = glXVisualPtr[j].alphaSize;
-		glXVisualPtr[j].redMask    = pVisual[i].redMask;
-		glXVisualPtr[j].greenMask  = pVisual[i].greenMask;
-		glXVisualPtr[j].blueMask   = pVisual[i].blueMask;
-		glXVisualPtr[j].alphaMask  = glXVisualPtr[j].alphaMask;
-		glXVisualPtr[j].bufferSize = rootDepth;
-	    }
-
-	    /* Save the device-dependent private for this visual */
-	    glXVisualPriv[j] = pNewVisualPriv[k];
-
-            isGLXvis[j] = glxMatchGLXVisualInConfigList( &glXVisualPtr[j], 
-	                           dmxScreens[screenInfo.numScreens-1].glxVisuals,
-	                           dmxScreens[screenInfo.numScreens-1].numGlxVisuals );
-	    if (isGLXvis[j]) numGLXvis++;
-
-	    j++;
-	}
-    }
-
-    assert(j <= numNewVisuals);
-    numNewVisuals = j;   /* correct number of new visuals */
-
-    /* Save the GLX visuals in the screen structure */
-    __glXActiveScreens[screenInfo.numScreens-1].numVisuals = numNewVisuals;
-    __glXActiveScreens[screenInfo.numScreens-1].numGLXVisuals = numGLXvis;
-    __glXActiveScreens[screenInfo.numScreens-1].isGLXvis = isGLXvis;
-    __glXActiveScreens[screenInfo.numScreens-1].pGlxVisual = glXVisualPtr;
-
-
-    /* Set up depth's VisualIDs */
-    for (i = 0; i < ndepth; i++) {
-	int numVids = 0;
-	VisualID *pVids = NULL;
-	int k, n = 0;
-
-	/* Count the new number of VisualIDs at this depth */
-	for (j = 0; j < pdepth[i].numVids; j++)
-	    for (k = 0; k < numNewVisuals; k++)
-		if (pdepth[i].vids[j] == orig_vid[k])
-		    numVids++;
-
-	/* Allocate a new list of VisualIDs for this depth */
-	pVids = (VisualID *)__glXMalloc(numVids * sizeof(VisualID));
-
-	/* Initialize the new list of VisualIDs for this depth */
-	for (j = 0; j < pdepth[i].numVids; j++)
-	    for (k = 0; k < numNewVisuals; k++)
-		if (pdepth[i].vids[j] == orig_vid[k])
-		    pVids[n++] = pVisualNew[k].vid;
-
-	/* Update this depth's list of VisualIDs */
-	__glXFree(pdepth[i].vids);
-	pdepth[i].vids = pVids;
-	pdepth[i].numVids = numVids;
-    }
-
-    /*
-     * if the default visual was rejected - need to choose new
-     * default visual !
-     */ 
-    if ( !found_default ) {
-
-       for (i=0; i<numVisuals; i++)
-	  if (pVisual[i].vid == *defaultVisp)
-	     break;
-
-       if (i < numVisuals) {
-	  *defaultVisp = FindClosestVisual( &pVisual[i], rootDepth, pdepth, ndepth, pVisualNew, numNewVisuals );
-       }
-    }
-
-    /* Update the X server's visuals */
-    *nvisualp = numNewVisuals;
-    *visualp = pVisualNew;
-
-    /* Free the old list of the X server's visuals */
-    __glXFree(pVisual);
-
-    /* Clean up temporary allocations */
-    __glXFree(orig_vid);
-    __glXFree(pNewVisualPriv);
-    __glXFree(pNewVisualConfigs);
-
-    /* Free the private list created by DDX HW driver */
-    if (visualPrivates)
-        xfree(visualPrivates);
-    visualPrivates = NULL;
-
-    return TRUE;
-}
+/*

+ * SGI FREE SOFTWARE LICENSE B (Version 2.0, Sept. 18, 2008)

+ * Copyright (C) 1991-2000 Silicon Graphics, Inc. All Rights Reserved.

+ *

+ * Permission is hereby granted, free of charge, to any person obtaining a

+ * copy of this software and associated documentation files (the "Software"),

+ * to deal in the Software without restriction, including without limitation

+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,

+ * and/or sell copies of the Software, and to permit persons to whom the

+ * Software is furnished to do so, subject to the following conditions:

+ *

+ * The above copyright notice including the dates of first publication and

+ * either this permission notice or a reference to

+ * http://oss.sgi.com/projects/FreeB/

+ * shall be included in all copies or substantial portions of the Software.

+ *

+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS

+ * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,

+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL

+ * SILICON GRAPHICS, INC. BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,

+ * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF

+ * OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE

+ * SOFTWARE.

+ *

+ * Except as contained in this notice, the name of Silicon Graphics, Inc.

+ * shall not be used in advertising or otherwise to promote the sale, use or

+ * other dealings in this Software without prior written authorization from

+ * Silicon Graphics, Inc.

+ */

+

+#ifdef HAVE_DMX_CONFIG_H

+#include <dmx-config.h>

+#endif

+

+#include <assert.h>

+#include "dmx.h"

+#include "glxserver.h"

+#include "glxutil.h"

+#include "dmx_glxvisuals.h"

+#include <stdlib.h>

+

+static int                 numConfigs     = 0;

+static __GLXvisualConfig  *visualConfigs  = NULL;

+static void              **visualPrivates = NULL;

+

+int glxVisualsMatch( __GLXvisualConfig *v1, __GLXvisualConfig *v2 )

+{

+      if ( (v1->class == v2->class) &&

+           (v1->rgba == v2->rgba) &&

+	   (v1->redSize == v2->redSize) &&

+	   (v1->greenSize == v2->greenSize) &&

+	   (v1->blueSize == v2->blueSize) &&

+	   (v1->alphaSize == v2->alphaSize) &&

+	   (v1->redMask == v2->redMask) &&

+	   (v1->greenMask == v2->greenMask) &&

+	   (v1->blueMask == v2->blueMask) &&

+	   (v1->alphaMask == v2->alphaMask) &&

+	   (v1->accumRedSize == v2->accumRedSize) &&

+	   (v1->accumGreenSize == v2->accumGreenSize) &&

+	   (v1->accumBlueSize == v2->accumBlueSize) &&

+	   (v1->accumAlphaSize == v2->accumAlphaSize) &&

+	   (v1->doubleBuffer == v2->doubleBuffer) &&

+	   (v1->stereo == v2->stereo) &&

+	   (v1->bufferSize == v2->bufferSize) &&

+	   (v1->depthSize == v2->depthSize) &&

+	   (v1->stencilSize == v2->stencilSize) &&

+	   (v1->auxBuffers == v2->auxBuffers) &&

+	   (v1->level == v2->level) &&

+	   (v1->visualRating == v2->visualRating) &&

+	   (v1->transparentPixel == v2->transparentPixel) &&

+	   (v1->transparentRed == v2->transparentRed) &&

+	   (v1->transparentGreen == v2->transparentGreen) &&

+	   (v1->transparentBlue == v2->transparentBlue) &&

+	   (v1->transparentAlpha == v2->transparentAlpha) &&

+	   (v1->transparentIndex == v2->transparentIndex) &&

+	   (v1->multiSampleSize == v2->multiSampleSize) &&

+	   (v1->nMultiSampleBuffers == v2->nMultiSampleBuffers) &&

+	   (v1->visualSelectGroup == v2->visualSelectGroup)         ) {

+

+	      return(1);

+

+      }

+

+      return(0);

+

+}

+

+VisualID glxMatchGLXVisualInConfigList( __GLXvisualConfig *pGlxVisual, __GLXvisualConfig *configs, int nconfigs )

+{

+    int i;

+

+    for (i=0; i<nconfigs; i++) {

+

+       if (glxVisualsMatch( pGlxVisual, &configs[i] )) {

+

+	  return( configs[i].vid );

+

+       }

+    }

+

+    return(0);

+}

+

+VisualID glxMatchVisualInConfigList( ScreenPtr pScreen, VisualPtr pVisual, __GLXvisualConfig *configs, int nconfigs )

+{

+    __GLXscreenInfo *pGlxScreen;

+    __GLXvisualConfig *pGlxVisual;

+    int i;

+

+    /* check that the glx extension has been initialized */

+    if ( !__glXActiveScreens ) 

+       return(0);

+

+    pGlxScreen = &__glXActiveScreens[pScreen->myNum];

+    pGlxVisual = pGlxScreen->pGlxVisual;

+

+    /* find the glx visual info for pVisual */

+    for (i = 0; i < pGlxScreen->numVisuals; i++, pGlxVisual++) {

+	if (pGlxVisual->vid == pVisual->vid) {

+	    break;

+	}

+    }

+    if (i == pGlxScreen->numVisuals) {

+	/*

+	 * the visual is not supported by glx

+	 */

+        return(0);

+    }

+

+    return( glxMatchGLXVisualInConfigList(pGlxVisual, configs, nconfigs) );

+}

+

+VisualPtr glxMatchVisual( ScreenPtr pScreen, VisualPtr pVisual, ScreenPtr pMatchScreen )

+{

+    __GLXscreenInfo *pGlxScreen2;

+    int j;

+    VisualID vid;

+

+    /* check that the glx extension has been initialized */

+    if ( !__glXActiveScreens ) 

+       return NULL;

+

+    pGlxScreen2 = &__glXActiveScreens[pMatchScreen->myNum];

+

+    vid = glxMatchVisualInConfigList( pScreen, pVisual,

+                                      pGlxScreen2->pGlxVisual,

+				      pGlxScreen2->numVisuals );

+    if (vid) {

+       /*

+    	* find the X visual of the matching glx visual

+	*/

+       for (j=0; j<pMatchScreen->numVisuals; j++) {

+	  if (vid == pMatchScreen->visuals[j].vid) {

+	     return( &pMatchScreen->visuals[j] );

+	  }

+       }

+    }

+

+    return(0);

+}

+

+void glxSetVisualConfigs(int nconfigs, __GLXvisualConfig *configs,

+                 void **privates)

+{

+    numConfigs = nconfigs;

+    visualConfigs = configs;

+    visualPrivates = privates;

+}

+

+static int count_bits(unsigned int n)

+{

+   int bits = 0;

+

+   while (n > 0) {

+      if (n & 1) bits++;

+      n >>= 1;

+   }

+   return bits;

+}

+

+static VisualID FindClosestVisual( VisualPtr pVisual, int rootDepth, 

+                                   DepthPtr pdepth, int ndepths,

+				   VisualPtr pNewVisual, int numNewVisuals)

+{

+   int d, v;

+   VisualPtr vis;

+

+   /*

+    * find the first visual with the same or deeper depth

+    * of the same class.

+    */

+   for (d=0; d<ndepths; d++) {

+      if (pdepth[d].depth >= rootDepth) {

+	 for (v=0; v<pdepth[d].numVids; v++) {

+

+	    /* find the new visual structure */

+	    vis = pNewVisual;

+	    while( pdepth[d].vids[v] != vis->vid ) vis++;

+

+	    if (vis->class == pVisual->class) {

+	       return( pdepth[d].vids[v] );

+	    }

+	 }

+      }

+   }

+

+   /*

+    * did not find any.

+    * try to look for the same class only.

+    */

+   for (d=0; d<ndepths; d++) {

+      for (v=0; v<pdepth[d].numVids; v++) {

+

+	 /* find the new visual structure */

+      	 vis = pNewVisual;

+	 while( pdepth[d].vids[v] != vis->vid ) vis++;

+

+      	 if (vis->class == pVisual->class) {

+	    return( pdepth[d].vids[v] );

+	 }

+      }

+   }

+

+   /*

+    * if not found - just take the first visual

+    */

+   return( pdepth[0].vids[0] );

+}

+

+Bool glxInitVisuals(int *nvisualp, VisualPtr *visualp,

+			 VisualID *defaultVisp,

+			 int ndepth, DepthPtr pdepth,

+			 int rootDepth)

+{

+    int numRGBconfigs;

+    int numCIconfigs;

+    int numVisuals = *nvisualp;

+    int numNewVisuals;

+    int numNewConfigs;

+    VisualPtr pVisual = *visualp;

+    VisualPtr pVisualNew = NULL;

+    VisualID *orig_vid = NULL;

+    __GLXvisualConfig *glXVisualPtr = NULL;

+    __GLXvisualConfig *pNewVisualConfigs = NULL;

+    void **glXVisualPriv;

+    dmxGlxVisualPrivate **pNewVisualPriv;

+    int found_default;

+    int i, j, k;

+    int numGLXvis = 0;

+    GLint *isGLXvis;

+

+    if (numConfigs > 0)

+        numNewConfigs = numConfigs;

+    else

+        return False;

+

+    MAXSCREENSALLOC(__glXActiveScreens);

+    if (!__glXActiveScreens)

+        return False;

+

+    /* Alloc space for the list of new GLX visuals */

+    pNewVisualConfigs = (__GLXvisualConfig *)

+                     __glXMalloc(numNewConfigs * sizeof(__GLXvisualConfig));

+    if (!pNewVisualConfigs) {

+	return FALSE;

+    }

+

+    /* Alloc space for the list of new GLX visual privates */

+    pNewVisualPriv = (dmxGlxVisualPrivate **) __glXMalloc(numNewConfigs * sizeof(dmxGlxVisualPrivate *));

+    if (!pNewVisualPriv) {

+	__glXFree(pNewVisualConfigs);

+	return FALSE;

+    }

+

+    /* copy driver's visual config info */

+    for (i = 0; i < numConfigs; i++) {

+       pNewVisualConfigs[i] = visualConfigs[i];

+       pNewVisualPriv[i] = (dmxGlxVisualPrivate *)visualPrivates[i];

+    }

+

+#if 1

+    /* FIXME: This is a hack to workaround a hang in xtest caused by a

+     * mismatch between what the front end (i.e., DMX) server calculates

+     * for the visual configs and what the back-end servers have.

+     */

+    {

+	int numTCRGBconfigs = 0;

+	int numDCRGBconfigs = 0;

+

+	numRGBconfigs = 0;

+	numCIconfigs = 0;

+

+	for (i = 0; i < numNewConfigs; i++) {

+	    if (pNewVisualConfigs[i].rgba) {

+		if (pNewVisualConfigs[i].class == TrueColor)

+		    numTCRGBconfigs++;

+		else

+		    numDCRGBconfigs++;

+		numRGBconfigs++;

+	    } else

+		numCIconfigs++;

+	}

+

+	/* Count the total number of visuals to compute */

+	numNewVisuals = 0;

+	for (i = 0; i < numVisuals; i++) {

+	    numNewVisuals +=

+		(pVisual[i].class == TrueColor)   ? numTCRGBconfigs :

+		(pVisual[i].class == DirectColor) ? numDCRGBconfigs :

+						    numCIconfigs;

+	}

+    }

+#else

+    /* Count the number of RGB and CI visual configs */

+    numRGBconfigs = 0;

+    numCIconfigs = 0;

+    for (i = 0; i < numNewConfigs; i++) {

+	if (pNewVisualConfigs[i].rgba)

+	    numRGBconfigs++;

+	else

+	    numCIconfigs++;

+    }

+

+    /* Count the total number of visuals to compute */

+    numNewVisuals = 0;

+    for (i = 0; i < numVisuals; i++) {

+        numNewVisuals +=

+	    (pVisual[i].class == TrueColor || pVisual[i].class == DirectColor)

+	    ? numRGBconfigs : numCIconfigs;

+    }

+#endif

+

+    /* Reset variables for use with the next screen/driver's visual configs */

+    visualConfigs = NULL;

+    numConfigs = 0;

+

+    /* Alloc temp space for the list of orig VisualIDs for each new visual */

+    orig_vid = (VisualID *)__glXMalloc(numNewVisuals * sizeof(VisualID));

+    if (!orig_vid) {

+	__glXFree(pNewVisualPriv);

+	__glXFree(pNewVisualConfigs);

+	return FALSE;

+    }

+

+    /* Alloc space for the list of glXVisuals */

+    glXVisualPtr = (__GLXvisualConfig *)__glXMalloc(numNewVisuals *

+						    sizeof(__GLXvisualConfig));

+    if (!glXVisualPtr) {

+	__glXFree(orig_vid);

+	__glXFree(pNewVisualPriv);

+	__glXFree(pNewVisualConfigs);

+	return FALSE;

+    }

+

+    /* Alloc space for the list of glXVisualPrivates */

+    glXVisualPriv = (void **)__glXMalloc(numNewVisuals * sizeof(void *));

+    if (!glXVisualPriv) {

+	__glXFree(glXVisualPtr);

+	__glXFree(orig_vid);

+	__glXFree(pNewVisualPriv);

+	__glXFree(pNewVisualConfigs);

+	return FALSE;

+    }

+

+    /* Alloc space for the new list of the X server's visuals */

+    pVisualNew = (VisualPtr)__glXMalloc(numNewVisuals * sizeof(VisualRec));

+    if (!pVisualNew) {

+	__glXFree(glXVisualPriv);

+	__glXFree(glXVisualPtr);

+	__glXFree(orig_vid);

+	__glXFree(pNewVisualPriv);

+	__glXFree(pNewVisualConfigs);

+	return FALSE;

+    }

+

+    isGLXvis = (GLint *) __glXMalloc(numNewVisuals * sizeof(GLint));

+    if (!isGLXvis) {

+	__glXFree(glXVisualPriv);

+	__glXFree(glXVisualPtr);

+	__glXFree(orig_vid);

+	__glXFree(pNewVisualPriv);

+	__glXFree(pNewVisualConfigs);

+	__glXFree(pVisualNew);

+	return FALSE;

+    }

+

+    /* Initialize the new visuals */

+    found_default = FALSE;

+    for (i = j = 0; i < numVisuals; i++) {

+

+	for (k = 0; k < numNewConfigs; k++) {

+

+	    int new_depth;

+	    int depth;

+	    int d,v;

+

+	    /* find the depth of the new visual config */

+	    new_depth = pNewVisualPriv[k]->x_visual_depth;

+

+	    /* find the depth of the original visual */

+	    depth = 0;

+	    d = 0;

+	    while( (depth==0) && (d < ndepth) ) {

+	       v = 0;

+	       while( (depth==0) && (v < pdepth[d].numVids) ) {

+		  if (pdepth[d].vids[v] ==  pVisual[i].vid) {

+		     depth = pdepth[d].depth;

+		  }

+		  v++;

+	       }

+	       d++;

+	    }

+

+	    /* check that the visual has the same class and depth 

+	     * as the new config

+             */

+	    if ( pVisual[i].class != pNewVisualPriv[k]->x_visual_class ||

+		  (depth != new_depth) )

+		continue;

+

+	    /* Initialize the new visual */

+	    pVisualNew[j] = pVisual[i];

+	    pVisualNew[j].vid = FakeClientID(0);

+

+	    /* Check for the default visual */

+	    if (!found_default && pVisual[i].vid == *defaultVisp) {

+		*defaultVisp = pVisualNew[j].vid;

+		found_default = TRUE;

+	    }

+

+	    /* Save the old VisualID */

+	    orig_vid[j] = pVisual[i].vid;

+

+	    /* Initialize the glXVisual */

+	    glXVisualPtr[j] = pNewVisualConfigs[k];

+	    glXVisualPtr[j].vid = pVisualNew[j].vid;

+

+	    /*

+	     * If the class is -1, then assume the X visual information

+	     * is identical to what GLX needs, and take them from the X

+	     * visual.  NOTE: if class != -1, then all other fields MUST

+	     * be initialized.

+	     */

+	    if (glXVisualPtr[j].class == -1) {

+		glXVisualPtr[j].class      = pVisual[i].class;

+		glXVisualPtr[j].redSize    = count_bits(pVisual[i].redMask);

+		glXVisualPtr[j].greenSize  = count_bits(pVisual[i].greenMask);

+		glXVisualPtr[j].blueSize   = count_bits(pVisual[i].blueMask);

+		glXVisualPtr[j].alphaSize  = glXVisualPtr[j].alphaSize;

+		glXVisualPtr[j].redMask    = pVisual[i].redMask;

+		glXVisualPtr[j].greenMask  = pVisual[i].greenMask;

+		glXVisualPtr[j].blueMask   = pVisual[i].blueMask;

+		glXVisualPtr[j].alphaMask  = glXVisualPtr[j].alphaMask;

+		glXVisualPtr[j].bufferSize = rootDepth;

+	    }

+

+	    /* Save the device-dependent private for this visual */

+	    glXVisualPriv[j] = pNewVisualPriv[k];

+

+            isGLXvis[j] = glxMatchGLXVisualInConfigList( &glXVisualPtr[j], 

+	                           dmxScreens[screenInfo.numScreens-1].glxVisuals,

+	                           dmxScreens[screenInfo.numScreens-1].numGlxVisuals );

+	    if (isGLXvis[j]) numGLXvis++;

+

+	    j++;

+	}

+    }

+

+    assert(j <= numNewVisuals);

+    numNewVisuals = j;   /* correct number of new visuals */

+

+    /* Save the GLX visuals in the screen structure */

+    __glXActiveScreens[screenInfo.numScreens-1].numVisuals = numNewVisuals;

+    __glXActiveScreens[screenInfo.numScreens-1].numGLXVisuals = numGLXvis;

+    __glXActiveScreens[screenInfo.numScreens-1].isGLXvis = isGLXvis;

+    __glXActiveScreens[screenInfo.numScreens-1].pGlxVisual = glXVisualPtr;

+

+

+    /* Set up depth's VisualIDs */

+    for (i = 0; i < ndepth; i++) {

+	int numVids = 0;

+	VisualID *pVids = NULL;

+	int k, n = 0;

+

+	/* Count the new number of VisualIDs at this depth */

+	for (j = 0; j < pdepth[i].numVids; j++)

+	    for (k = 0; k < numNewVisuals; k++)

+		if (pdepth[i].vids[j] == orig_vid[k])

+		    numVids++;

+

+	/* Allocate a new list of VisualIDs for this depth */

+	pVids = (VisualID *)__glXMalloc(numVids * sizeof(VisualID));

+

+	/* Initialize the new list of VisualIDs for this depth */

+	for (j = 0; j < pdepth[i].numVids; j++)

+	    for (k = 0; k < numNewVisuals; k++)

+		if (pdepth[i].vids[j] == orig_vid[k])

+		    pVids[n++] = pVisualNew[k].vid;

+

+	/* Update this depth's list of VisualIDs */

+	__glXFree(pdepth[i].vids);

+	pdepth[i].vids = pVids;

+	pdepth[i].numVids = numVids;

+    }

+

+    /*

+     * if the default visual was rejected - need to choose new

+     * default visual !

+     */ 

+    if ( !found_default ) {

+

+       for (i=0; i<numVisuals; i++)

+	  if (pVisual[i].vid == *defaultVisp)

+	     break;

+

+       if (i < numVisuals) {

+	  *defaultVisp = FindClosestVisual( &pVisual[i], rootDepth, pdepth, ndepth, pVisualNew, numNewVisuals );

+       }

+    }

+

+    /* Update the X server's visuals */

+    *nvisualp = numNewVisuals;

+    *visualp = pVisualNew;

+

+    /* Free the old list of the X server's visuals */

+    __glXFree(pVisual);

+

+    /* Clean up temporary allocations */

+    __glXFree(orig_vid);

+    __glXFree(pNewVisualPriv);

+    __glXFree(pNewVisualConfigs);

+

+    /* Free the private list created by DDX HW driver */

+    if (visualPrivates)

+        free(visualPrivates);

+    visualPrivates = NULL;

+

+    return TRUE;

+}