diff options
Diffstat (limited to 'xorg-server/hw/dmx/glxProxy/glxvisuals.c')
| -rw-r--r-- | xorg-server/hw/dmx/glxProxy/glxvisuals.c | 1078 |
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;
+}
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