diff options
Diffstat (limited to 'xorg-server/hw/dmx/glxProxy/glxcmds.c')
| -rw-r--r-- | xorg-server/hw/dmx/glxProxy/glxcmds.c | 7302 |
1 files changed, 3645 insertions, 3657 deletions
diff --git a/xorg-server/hw/dmx/glxProxy/glxcmds.c b/xorg-server/hw/dmx/glxProxy/glxcmds.c index 74af631ad..f79264ea9 100644 --- a/xorg-server/hw/dmx/glxProxy/glxcmds.c +++ b/xorg-server/hw/dmx/glxProxy/glxcmds.c @@ -1,3657 +1,3645 @@ -/*
- * 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 "dmx.h"
-#include "dmxwindow.h"
-#include "dmxpixmap.h"
-#include "dmxfont.h"
-#include "dmxsync.h"
-
-#include "glxserver.h"
-#include <GL/glxtokens.h>
-#include "g_disptab.h"
-#include <pixmapstr.h>
-#include <windowstr.h>
-#include "glxutil.h"
-#include "glxext.h"
-#include "unpack.h"
-
-#include "GL/glxproto.h"
-#include "glxvendor.h"
-#include "glxvisuals.h"
-#include "glxswap.h"
-
-#ifdef PANORAMIX
-#include "panoramiXsrv.h"
-#endif
-
-extern __GLXFBConfig **__glXFBConfigs;
-extern int __glXNumFBConfigs;
-
-extern __GLXFBConfig *glxLookupFBConfig( GLXFBConfigID id );
-extern __GLXFBConfig *glxLookupFBConfigByVID( VisualID vid );
-extern __GLXFBConfig *glxLookupBackEndFBConfig( GLXFBConfigID id, int screen );
-extern int glxIsExtensionSupported( char *ext );
-extern int __glXGetFBConfigsSGIX(__GLXclientState *cl, GLbyte *pc);
-
-#define BE_TO_CLIENT_ERROR(x) \
- ( (x) >= __glXerrorBase ? \
- (x) - dmxScreen->glxErrorBase + __glXerrorBase \
- : (x) )
-
-Display *GetBackEndDisplay( __GLXclientState *cl, int s )
-{
- if (! cl->be_displays[s] ) {
- cl->be_displays[s] = XOpenDisplay( DisplayString(dmxScreens[s].beDisplay) );
- }
- return cl->be_displays[s];
-}
-
-/*
-** Create a GL context with the given properties.
-*/
-static int CreateContext(__GLXclientState *cl,
- GLXContextID gcId,
- VisualID vid, GLXFBConfigID fbconfigId,
- int screen,
- GLXContextID shareList,
- int isDirect )
-{
- ClientPtr client = cl->client;
- xGLXCreateContextReq *be_req;
- xGLXCreateNewContextReq *be_new_req;
- VisualPtr pVisual;
- ScreenPtr pScreen;
- __GLXcontext *glxc, *shareglxc;
- __GLXvisualConfig *pGlxVisual;
- __GLXscreenInfo *pGlxScreen;
- VisualID visual = vid;
- GLint i;
- int from_screen = screen;
- int to_screen = screen;
- DMXScreenInfo *dmxScreen;
- VisualID be_vid;
- GLXFBConfigID be_fbconfigId;
- int num_be_screens;
- Display *dpy;
-
- /*
- ** Check if screen exists.
- */
- if (screen >= screenInfo.numScreens) {
- client->errorValue = screen;
- return BadValue;
- }
-
-
-#ifdef PANORAMIX
- if (!noPanoramiXExtension) {
- from_screen = 0;
- to_screen = screenInfo.numScreens - 1;
- }
-#endif
-
- /*
- ** Find the display list space that we want to share.
- **
- */
- if (shareList == None) {
- shareglxc = NULL;
- } else {
- dixLookupResourceByType((pointer*) &shareglxc, shareList,
- __glXContextRes, NullClient, DixUnknownAccess);
- if (!shareglxc) {
- client->errorValue = shareList;
- return __glXBadContext;
- }
- }
-
- /*
- ** Allocate memory for the new context
- */
- glxc = calloc(1, sizeof(__GLXcontext));
- if (!glxc) {
- return BadAlloc;
- }
-
- pScreen = screenInfo.screens[screen];
- pGlxScreen = &__glXActiveScreens[screen];
-
- if (fbconfigId != None) {
- glxc->pFBConfig = glxLookupFBConfig( fbconfigId );
- if (!glxc->pFBConfig) {
- client->errorValue = fbconfigId;
- free( glxc );
- return BadValue;
- }
- visual = glxc->pFBConfig->associatedVisualId;
- }
- else {
- glxc->pFBConfig = NULL;
- }
-
- if (visual != None) {
- /*
- ** Check if the visual ID is valid for this screen.
- */
- pVisual = pScreen->visuals;
- for (i = 0; i < pScreen->numVisuals; i++, pVisual++) {
- if (pVisual->vid == visual) {
- break;
- }
- }
- if (i == pScreen->numVisuals) {
- client->errorValue = visual;
- free( glxc );
- return BadValue;
- }
-
- pGlxVisual = pGlxScreen->pGlxVisual;
- for (i = 0; i < pGlxScreen->numVisuals; i++, pGlxVisual++) {
- if (pGlxVisual->vid == visual) {
- break;
- }
- }
- if (i == pGlxScreen->numVisuals) {
- /*
- ** Visual not support on this screen by this OpenGL implementation.
- */
- client->errorValue = visual;
- free( glxc );
- return BadValue;
- }
-
- if ( glxc->pFBConfig == NULL ) {
- glxc->pFBConfig = glxLookupFBConfigByVID( visual );
-
- if ( glxc->pFBConfig == NULL ) {
- /*
- * visual does not have an FBConfig ???
- client->errorValue = visual;
- free( glxc );
- return BadValue;
- */
- }
- }
- }
- else {
- pVisual = NULL;
- pGlxVisual = NULL;
- }
-
- glxc->pScreen = pScreen;
- glxc->pGlxScreen = pGlxScreen;
- glxc->pVisual = pVisual;
- glxc->pGlxVisual = pGlxVisual;
-
- /*
- * allocate memory for back-end servers info
- */
- num_be_screens = to_screen - from_screen + 1;
- glxc->real_ids = (XID *)malloc(sizeof(XID) * num_be_screens);
- if (!glxc->real_ids) {
- return BadAlloc;
- }
- glxc->real_vids = (XID *)malloc(sizeof(XID) * num_be_screens);
- if (!glxc->real_vids) {
- return BadAlloc;
- }
-
- for (screen = from_screen; screen <= to_screen; screen++) {
- int sent = 0;
- pScreen = screenInfo.screens[screen];
- pGlxScreen = &__glXActiveScreens[screen];
- dmxScreen = &dmxScreens[screen];
-
- if (glxc->pFBConfig) {
- __GLXFBConfig *beFBConfig = glxLookupBackEndFBConfig( glxc->pFBConfig->id,
- screen );
- be_fbconfigId = beFBConfig->id;
- }
-
- if (pGlxVisual) {
-
- be_vid = glxMatchGLXVisualInConfigList( pGlxVisual,
- dmxScreen->glxVisuals,
- dmxScreen->numGlxVisuals );
-
- if (!be_vid) {
- /* visual is not supported on the back-end server */
- free( glxc->real_ids );
- free( glxc->real_vids );
- free( glxc );
- return BadValue;
- }
- }
-
- glxc->real_ids[screen-from_screen] = XAllocID(GetBackEndDisplay(cl,screen));
-
- /* send the create context request to the back-end server */
- dpy = GetBackEndDisplay(cl,screen);
- if (glxc->pFBConfig) {
- /*Since for a certain visual both RGB and COLOR INDEX
- *can be on then the only parmeter to choose the renderType
- * should be the class of the colormap since all 4 first
- * classes does not support RGB mode only COLOR INDEX ,
- * and so TrueColor and DirectColor does not support COLOR INDEX*/
- int renderType = glxc->pFBConfig->renderType;
- if ( pVisual ) {
- switch ( pVisual->class ){
- case PseudoColor:
- case StaticColor:
- case GrayScale:
- case StaticGray:
- renderType = GLX_COLOR_INDEX_TYPE;
- break;
- case TrueColor:
- case DirectColor:
- default:
- renderType = GLX_RGBA_TYPE;
- break;
- }
- }
- if ( __GLX_IS_VERSION_SUPPORTED(1,3) ) {
- LockDisplay(dpy);
- GetReq(GLXCreateNewContext,be_new_req);
- be_new_req->reqType = dmxScreen->glxMajorOpcode;
- be_new_req->glxCode = X_GLXCreateNewContext;
- be_new_req->context = (unsigned int)glxc->real_ids[screen-from_screen];
- be_new_req->fbconfig = (unsigned int)be_fbconfigId;
- be_new_req->screen = DefaultScreen(dpy);
- be_new_req->renderType = renderType;
-
- be_new_req->shareList = (shareglxc ? shareglxc->real_ids[screen-from_screen] : 0);
- be_new_req->isDirect = 0;
- UnlockDisplay(dpy);
- glxc->real_vids[screen-from_screen] = be_fbconfigId;
- sent = 1;
- }
- else if (glxIsExtensionSupported("GLX_SGIX_fbconfig")) {
-
- xGLXCreateContextWithConfigSGIXReq *ext_req;
- xGLXVendorPrivateReq *vpreq;
- LockDisplay(dpy);
- GetReqExtra(GLXVendorPrivate,
- sz_xGLXCreateContextWithConfigSGIXReq - sz_xGLXVendorPrivateReq,
- vpreq);
- ext_req = (xGLXCreateContextWithConfigSGIXReq *)vpreq;
- ext_req->reqType = dmxScreen->glxMajorOpcode;
- ext_req->glxCode = X_GLXVendorPrivate;
- ext_req->vendorCode = X_GLXvop_CreateContextWithConfigSGIX;
- ext_req->context = (unsigned int)glxc->real_ids[screen-from_screen];
- ext_req->fbconfig = (unsigned int)be_fbconfigId;
- ext_req->screen = DefaultScreen(dpy);
- ext_req->renderType = renderType;
- ext_req->shareList = (shareglxc ? shareglxc->real_ids[screen-from_screen] : 0);
- ext_req->isDirect = 0;
- UnlockDisplay(dpy);
- glxc->real_vids[screen-from_screen] = be_fbconfigId;
- sent = 1;
- }
- }
-
- if (!sent) {
- LockDisplay(dpy);
- GetReq(GLXCreateContext,be_req);
- be_req->reqType = dmxScreen->glxMajorOpcode;
- be_req->glxCode = X_GLXCreateContext;
- be_req->context = (unsigned int)glxc->real_ids[screen-from_screen];
- be_req->visual = (unsigned int)be_vid;
- be_req->screen = DefaultScreen(dpy);
- be_req->shareList = (shareglxc ? shareglxc->real_ids[screen-from_screen] : 0);
- be_req->isDirect = 0;
- UnlockDisplay(dpy);
- glxc->real_vids[screen-from_screen] = be_vid;
- }
- SyncHandle();
-
- }
-
- /*
- ** Register this context as a resource.
- */
- if (!AddResource(gcId, __glXContextRes, (pointer)glxc)) {
- free( glxc->real_ids );
- free( glxc->real_vids );
- free( glxc );
- client->errorValue = gcId;
- return BadAlloc;
- }
-
- /*
- ** Finally, now that everything is working, setup the rest of the
- ** context.
- */
- glxc->id = gcId;
- glxc->share_id = shareList;
- glxc->idExists = GL_TRUE;
- glxc->isCurrent = GL_FALSE;
-
- return Success;
-}
-
-int __glXCreateContext(__GLXclientState *cl, GLbyte *pc)
-{
- xGLXCreateContextReq *req = (xGLXCreateContextReq *) pc;
-
- return( CreateContext(cl, req->context,req->visual, None,
- req->screen, req->shareList, req->isDirect) );
-
-}
-
-int __glXCreateNewContext(__GLXclientState *cl, GLbyte *pc)
-{
- xGLXCreateNewContextReq *req = (xGLXCreateNewContextReq *) pc;
-
- return( CreateContext(cl, req->context,None, req->fbconfig,
- req->screen, req->shareList, req->isDirect) );
-
-}
-
-int __glXCreateContextWithConfigSGIX(__GLXclientState *cl, GLbyte *pc)
-{
- xGLXCreateContextWithConfigSGIXReq *req = (xGLXCreateContextWithConfigSGIXReq *) pc;
-
- return( CreateContext(cl, req->context, None, req->fbconfig,
- req->screen, req->shareList, req->isDirect) );
-
-}
-
-int __glXQueryMaxSwapBarriersSGIX(__GLXclientState *cl, GLbyte *pc)
-{
- ClientPtr client = cl->client;
- xGLXQueryMaxSwapBarriersSGIXReq *req =
- (xGLXQueryMaxSwapBarriersSGIXReq *)pc;
- xGLXQueryMaxSwapBarriersSGIXReply reply;
-
- reply.type = X_Reply;
- reply.sequenceNumber = client->sequence;
- reply.length = 0;
- reply.max = QueryMaxSwapBarriersSGIX(req->screen);
-
- if (client->swapped) {
- __glXSwapQueryMaxSwapBarriersSGIXReply(client, &reply);
- } else {
- WriteToClient(client, sz_xGLXQueryMaxSwapBarriersSGIXReply,
- (char *)&reply);
- }
-
- return Success;
-}
-
-int __glXBindSwapBarrierSGIX(__GLXclientState *cl, GLbyte *pc)
-{
- ClientPtr client = cl->client;
- xGLXBindSwapBarrierSGIXReq *req = (xGLXBindSwapBarrierSGIXReq *)pc;
- DrawablePtr pDraw;
- __GLXpixmap *pGlxPixmap = NULL;
- __glXWindow *pGlxWindow = NULL;
- int rc;
-
- rc = dixLookupDrawable(&pDraw, req->drawable, client, 0, DixGetAttrAccess);
- if (rc != Success) {
- dixLookupResourceByType((pointer*) &pGlxPixmap, req->drawable,
- __glXPixmapRes, NullClient, DixUnknownAccess);
- if (pGlxPixmap) pDraw = pGlxPixmap->pDraw;
- }
-
- if (!pDraw && __GLX_IS_VERSION_SUPPORTED(1,3) ) {
- dixLookupResourceByType((pointer*) &pGlxWindow, req->drawable,
- __glXWindowRes, NullClient, DixUnknownAccess);
- if (pGlxWindow) pDraw = pGlxWindow->pDraw;
- }
-
- if (!pDraw) {
- client->errorValue = req->drawable;
- return __glXBadDrawable;
- }
-
- return BindSwapBarrierSGIX(pDraw, req->barrier);
-}
-
-int __glXJoinSwapGroupSGIX(__GLXclientState *cl, GLbyte *pc)
-{
- ClientPtr client = cl->client;
- xGLXJoinSwapGroupSGIXReq *req = (xGLXJoinSwapGroupSGIXReq *)pc;
- DrawablePtr pDraw, pMember = NULL;
- __GLXpixmap *pGlxPixmap = NULL;
- __glXWindow *pGlxWindow = NULL;
- int rc;
-
- rc = dixLookupDrawable(&pDraw, req->drawable, client, 0, DixManageAccess);
- if (rc != Success) {
- dixLookupResourceByType((pointer*) &pGlxPixmap, req->drawable,
- __glXPixmapRes, NullClient, DixUnknownAccess);
- if (pGlxPixmap) pDraw = pGlxPixmap->pDraw;
- }
-
- if (!pDraw && __GLX_IS_VERSION_SUPPORTED(1,3) ) {
- dixLookupResourceByType((pointer*) &pGlxWindow, req->drawable,
- __glXWindowRes, NullClient, DixUnknownAccess);
- if (pGlxWindow) pDraw = pGlxWindow->pDraw;
- }
-
- if (!pDraw) {
- client->errorValue = req->drawable;
- return __glXBadDrawable;
- }
-
- if (req->member != None) {
- rc = dixLookupDrawable(&pMember, req->member, client, 0,
- DixGetAttrAccess);
- if (rc != Success) {
- dixLookupResourceByType((pointer*) &pGlxPixmap, req->member,
- __glXPixmapRes, NullClient,
- DixUnknownAccess);
- if (pGlxPixmap) pMember = pGlxPixmap->pDraw;
- }
-
- if (!pMember && __GLX_IS_VERSION_SUPPORTED(1,3) ) {
- dixLookupResourceByType((pointer*) &pGlxWindow, req->member,
- __glXWindowRes, NullClient,
- DixUnknownAccess);
- if (pGlxWindow) pMember = pGlxWindow->pDraw;
- }
-
- if (!pMember) {
- client->errorValue = req->member;
- return __glXBadDrawable;
- }
- }
-
- return JoinSwapGroupSGIX(pDraw, pMember);
-}
-
-
-/*
-** Destroy a GL context as an X resource.
-*/
-int __glXDestroyContext(__GLXclientState *cl, GLbyte *pc)
-{
- ClientPtr client = cl->client;
- xGLXDestroyContextReq *req = (xGLXDestroyContextReq *) pc;
- xGLXDestroyContextReq *be_req;
- GLXContextID gcId = req->context;
- __GLXcontext *glxc;
- int from_screen = 0;
- int to_screen = 0;
- int s;
-
- dixLookupResourceByType((pointer*) &glxc, gcId, __glXContextRes,
- NullClient, DixUnknownAccess);
- if (glxc) {
- /*
- ** Just free the resource; don't actually destroy the context,
- ** because it might be in use. The
- ** destroy method will be called by the resource destruction routine
- ** if necessary.
- */
- FreeResourceByType(gcId, __glXContextRes, FALSE);
-
- from_screen = to_screen = glxc->pScreen->myNum;
-
- } else {
- client->errorValue = gcId;
- return __glXBadContext;
- }
-
-#ifdef PANORAMIX
- if (!noPanoramiXExtension) {
- from_screen = 0;
- to_screen = screenInfo.numScreens - 1;
- }
-#endif
-
- /*
- * send DestroyContext request to all back-end servers
- */
- for (s=from_screen; s<=to_screen; s++) {
- DMXScreenInfo *dmxScreen = &dmxScreens[s];
- Display *dpy = GetBackEndDisplay(cl,s);
-
- LockDisplay(dpy);
- GetReq(GLXDestroyContext,be_req);
- be_req->reqType = dmxScreen->glxMajorOpcode;
- be_req->glxCode = X_GLXDestroyContext;
- be_req->context = glxc->real_ids[s-from_screen];
- UnlockDisplay(dpy);
- SyncHandle();
- }
-
- return Success;
-}
-
-/*****************************************************************************/
-
-/*
-** For each client, the server keeps a table of all the contexts that are
-** current for that client (each thread of a client may have its own current
-** context). These routines add, change, and lookup contexts in the table.
-*/
-
-/*
-** Add a current context, and return the tag that will be used to refer to it.
-*/
-static int AddCurrentContext(__GLXclientState *cl, __GLXcontext *glxc, DrawablePtr pDraw)
-{
- int i;
- int num = cl->numCurrentContexts;
- __GLXcontext **table = cl->currentContexts;
-
- if (!glxc) return -1;
-
- /*
- ** Try to find an empty slot and use it.
- */
- for (i=0; i < num; i++) {
- if (!table[i]) {
- table[i] = glxc;
- return i+1;
- }
- }
- /*
- ** Didn't find a free slot, so we'll have to grow the table.
- */
- if (!num) {
- table = (__GLXcontext **) malloc(sizeof(__GLXcontext *));
- cl->currentDrawables = (DrawablePtr *) malloc(sizeof(DrawablePtr));
- cl->be_currentCTag = (GLXContextTag *) malloc(screenInfo.numScreens *sizeof(GLXContextTag));
- } else {
- table = (__GLXcontext **) realloc(table,
- (num+1)*sizeof(__GLXcontext *));
- cl->currentDrawables = (DrawablePtr *) realloc(
- cl->currentDrawables ,
- (num+1)*sizeof(DrawablePtr));
- cl->be_currentCTag = (GLXContextTag *) realloc(cl->be_currentCTag,
- (num+1)*screenInfo.numScreens*sizeof(GLXContextTag));
- }
- table[num] = glxc;
- cl->currentDrawables[num] = pDraw;
- cl->currentContexts = table;
- cl->numCurrentContexts++;
-
- memset(cl->be_currentCTag + num*screenInfo.numScreens, 0,
- screenInfo.numScreens * sizeof(GLXContextTag));
-
- return num+1;
-}
-
-/*
-** Given a tag, change the current context for the corresponding entry.
-*/
-static void ChangeCurrentContext(__GLXclientState *cl, __GLXcontext *glxc,
- GLXContextTag tag)
-{
- __GLXcontext **table = cl->currentContexts;
- table[tag-1] = glxc;
-}
-
-/*
-** Given a tag, and back-end screen number, retrives the current back-end
-** tag.
-*/
-int GetCurrentBackEndTag(__GLXclientState *cl, GLXContextTag tag, int s)
-{
- if (tag >0) {
- return( cl->be_currentCTag[ (tag-1)*screenInfo.numScreens + s ] );
- }
- else {
- return 0;
- }
-}
-
-/*
-** Given a tag, and back-end screen number, sets the current back-end
-** tag.
-*/
-static void SetCurrentBackEndTag(__GLXclientState *cl, GLXContextTag tag, int s, GLXContextTag be_tag)
-{
- if (tag >0) {
- cl->be_currentCTag[ (tag-1)*screenInfo.numScreens + s ] = be_tag;
- }
-}
-
-/*
-** For this implementation we have chosen to simply use the index of the
-** context's entry in the table as the context tag. A tag must be greater
-** than 0.
-*/
-__GLXcontext *__glXLookupContextByTag(__GLXclientState *cl, GLXContextTag tag)
-{
- int num = cl->numCurrentContexts;
-
- if (tag < 1 || tag > num) {
- return 0;
- } else {
- return cl->currentContexts[tag-1];
- }
-}
-
-DrawablePtr __glXLookupDrawableByTag(__GLXclientState *cl, GLXContextTag tag)
-{
- int num = cl->numCurrentContexts;
-
- if (tag < 1 || tag > num) {
- return 0;
- } else {
- return cl->currentDrawables[tag-1];
- }
-}
-
-/*****************************************************************************/
-
-static void StopUsingContext(__GLXcontext *glxc)
-{
- if (glxc) {
- if (glxc == __glXLastContext) {
- /* Tell server GL library */
- __glXLastContext = 0;
- }
- glxc->isCurrent = GL_FALSE;
- if (!glxc->idExists) {
- __glXFreeContext(glxc);
- }
- }
-}
-
-static void StartUsingContext(__GLXclientState *cl, __GLXcontext *glxc)
-{
- glxc->isCurrent = GL_TRUE;
-}
-
-/*****************************************************************************/
-/*
-** Make an OpenGL context and drawable current.
-*/
-static int MakeCurrent(__GLXclientState *cl,
- GLXDrawable drawable,
- GLXDrawable readdrawable,
- GLXContextID context,
- GLXContextTag oldContextTag)
-{
- ClientPtr client = cl->client;
- DrawablePtr pDraw = NULL;
- DrawablePtr pReadDraw = NULL;
- xGLXMakeCurrentReadSGIReply new_reply;
- xGLXMakeCurrentReq *be_req;
- xGLXMakeCurrentReply be_reply;
- xGLXMakeContextCurrentReq *be_new_req;
- xGLXMakeContextCurrentReply be_new_reply;
- GLXDrawable drawId = drawable;
- GLXDrawable readId = readdrawable;
- GLXContextID contextId = context;
- __GLXpixmap *pGlxPixmap = 0;
- __GLXpixmap *pReadGlxPixmap = 0;
- __GLXcontext *glxc, *prevglxc;
- GLXContextTag tag = oldContextTag;
- WindowPtr pWin = NULL;
- WindowPtr pReadWin = NULL;
- __glXWindow *pGlxWindow = NULL;
- __glXWindow *pGlxReadWindow = NULL;
- __glXPbuffer *pGlxPbuffer = NULL;
- __glXPbuffer *pGlxReadPbuffer = NULL;
-#ifdef PANORAMIX
- PanoramiXRes *pXinDraw = NULL;
- PanoramiXRes *pXinReadDraw = NULL;
-#endif
- int from_screen = 0;
- int to_screen = 0;
- int s, rc;
-
- /*
- ** If one is None and the other isn't, it's a bad match.
- */
- if ((drawId == None && contextId != None) ||
- (drawId != None && contextId == None)) {
- return BadMatch;
- }
-
- /*
- ** Lookup old context. If we have one, it must be in a usable state.
- */
- if (tag != 0) {
- prevglxc = __glXLookupContextByTag(cl, tag);
- if (!prevglxc) {
- /*
- ** Tag for previous context is invalid.
- */
- return __glXBadContextTag;
- }
- } else {
- prevglxc = 0;
- }
-
- /*
- ** Lookup new context. It must not be current for someone else.
- */
- if (contextId != None) {
- dixLookupResourceByType((pointer*) &glxc, contextId, __glXContextRes,
- NullClient, DixUnknownAccess);
- if (!glxc) {
- client->errorValue = contextId;
- return __glXBadContext;
- }
- if ((glxc != prevglxc) && glxc->isCurrent) {
- /* Context is current to somebody else */
- return BadAccess;
- }
- } else {
- /* Switching to no context. Ignore new drawable. */
- glxc = 0;
- }
-
- if (drawId != None) {
- rc = dixLookupDrawable(&pDraw, drawId, client, 0, DixWriteAccess);
- if (rc == Success) {
- if (pDraw->type == DRAWABLE_WINDOW) {
- /*
- ** Drawable is an X Window.
- */
- VisualID vid;
- pWin = (WindowPtr)pDraw;
- vid = wVisual(pWin);
-
- new_reply.writeVid = (glxc->pFBConfig ? glxc->pFBConfig->id : vid);
- new_reply.writeType = GLX_WINDOW_TYPE;
-
- /*
- ** Check if window and context are similar.
- */
- if ((vid != glxc->pVisual->vid) ||
- (pWin->drawable.pScreen != glxc->pScreen)) {
- client->errorValue = drawId;
- return BadMatch;
- }
-
- from_screen = to_screen = pWin->drawable.pScreen->myNum;
-
- } else {
- /*
- ** An X Pixmap is not allowed as a parameter (a GLX Pixmap
- ** is, but it must first be created with glxCreateGLXPixmap).
- */
- client->errorValue = drawId;
- return __glXBadDrawable;
- }
- }
-
- if (!pDraw) {
- dixLookupResourceByType((pointer*) &pGlxPixmap, drawId,
- __glXPixmapRes, NullClient,
- DixUnknownAccess);
- if (pGlxPixmap) {
- /*
- ** Check if pixmap and context are similar.
- */
- if (pGlxPixmap->pScreen != glxc->pScreen ||
- pGlxPixmap->pGlxVisual != glxc->pGlxVisual) {
- client->errorValue = drawId;
- return BadMatch;
- }
- pDraw = pGlxPixmap->pDraw;
-
- new_reply.writeVid = (glxc->pFBConfig ? glxc->pFBConfig->id :
- pGlxPixmap->pGlxVisual->vid);
-
- new_reply.writeType = GLX_PIXMAP_TYPE;
-
- from_screen = to_screen = pGlxPixmap->pScreen->myNum;
-
- }
- }
-
- if (!pDraw && __GLX_IS_VERSION_SUPPORTED(1,3) ) {
- dixLookupResourceByType((pointer*) &pGlxWindow, drawId,
- __glXWindowRes, NullClient,
- DixUnknownAccess);
- if (pGlxWindow) {
- /*
- ** Drawable is a GLXWindow.
- **
- ** Check if GLX window and context are similar.
- */
- if (pGlxWindow->pScreen != glxc->pScreen ||
- pGlxWindow->pGlxFBConfig != glxc->pFBConfig) {
- client->errorValue = drawId;
- return BadMatch;
- }
-
- pDraw = pGlxWindow->pDraw;
- new_reply.writeVid = pGlxWindow->pGlxFBConfig->id;
- new_reply.writeType = GLX_GLXWINDOW_TYPE;
- }
-
- }
-
- if (!pDraw && __GLX_IS_VERSION_SUPPORTED(1,3) ) {
- dixLookupResourceByType((pointer*) &pGlxPbuffer, drawId,
- __glXPbufferRes, NullClient,
- DixUnknownAccess);
- if (pGlxPbuffer) {
- if (pGlxPbuffer->pScreen != glxc->pScreen ||
- pGlxPbuffer->pFBConfig != glxc->pFBConfig) {
- client->errorValue = drawId;
- return BadMatch;
- }
-
- pDraw = (DrawablePtr)pGlxPbuffer;
- new_reply.writeVid = pGlxPbuffer->pFBConfig->id;
- new_reply.writeType = GLX_PBUFFER_TYPE;
- }
- }
-
- if (!pDraw) {
- /*
- ** Drawable is not a Window , GLXWindow or a GLXPixmap.
- */
- client->errorValue = drawId;
- return __glXBadDrawable;
- }
-
- } else {
- pDraw = 0;
- }
-
- if (readId != None && readId != drawId ) {
- rc = dixLookupDrawable(&pReadDraw, readId, client, 0, DixReadAccess);
- if (rc == Success) {
- if (pReadDraw->type == DRAWABLE_WINDOW) {
- /*
- ** Drawable is an X Window.
- */
- VisualID vid;
- pReadWin = (WindowPtr)pDraw;
- vid = wVisual(pReadWin);
-
- new_reply.readVid = (glxc->pFBConfig ? glxc->pFBConfig->id : vid);
- new_reply.readType = GLX_WINDOW_TYPE;
-
- /*
- ** Check if window and context are similar.
- */
- if ((vid != glxc->pVisual->vid) ||
- (pReadWin->drawable.pScreen != glxc->pScreen)) {
- client->errorValue = readId;
- return BadMatch;
- }
-
- } else {
-
- /*
- ** An X Pixmap is not allowed as a parameter (a GLX Pixmap
- ** is, but it must first be created with glxCreateGLXPixmap).
- */
- client->errorValue = readId;
- return __glXBadDrawable;
- }
- }
-
- if (!pReadDraw) {
- dixLookupResourceByType((pointer*) &pReadGlxPixmap, readId,
- __glXPixmapRes, NullClient,
- DixUnknownAccess);
- if (pReadGlxPixmap) {
- /*
- ** Check if pixmap and context are similar.
- */
- if (pReadGlxPixmap->pScreen != glxc->pScreen ||
- pReadGlxPixmap->pGlxVisual != glxc->pGlxVisual) {
- client->errorValue = readId;
- return BadMatch;
- }
- pReadDraw = pReadGlxPixmap->pDraw;
-
- new_reply.readVid = (glxc->pFBConfig ? glxc->pFBConfig->id :
- pReadGlxPixmap->pGlxVisual->vid );
- new_reply.readType = GLX_PIXMAP_TYPE;
-
- }
- }
-
- if (!pReadDraw && __GLX_IS_VERSION_SUPPORTED(1,3) ) {
- dixLookupResourceByType((pointer*) &pGlxReadWindow, readId,
- __glXWindowRes, NullClient,
- DixUnknownAccess);
- if (pGlxReadWindow) {
- /*
- ** Drawable is a GLXWindow.
- **
- ** Check if GLX window and context are similar.
- */
- if (pGlxReadWindow->pScreen != glxc->pScreen ||
- pGlxReadWindow->pGlxFBConfig != glxc->pFBConfig) {
- client->errorValue = readId;
- return BadMatch;
- }
-
- pReadDraw = pGlxReadWindow->pDraw;
- new_reply.readVid = pGlxReadWindow->pGlxFBConfig->id;
- new_reply.readType = GLX_GLXWINDOW_TYPE;
- }
- }
-
- if (!pReadDraw && __GLX_IS_VERSION_SUPPORTED(1,3) ) {
- dixLookupResourceByType((pointer*) &pGlxReadPbuffer, readId,
- __glXPbufferRes, NullClient,
- DixUnknownAccess);
- if (pGlxReadPbuffer) {
- if (pGlxReadPbuffer->pScreen != glxc->pScreen ||
- pGlxReadPbuffer->pFBConfig != glxc->pFBConfig) {
- client->errorValue = drawId;
- return BadMatch;
- }
-
- pReadDraw = (DrawablePtr)pGlxReadPbuffer;
- new_reply.readVid = pGlxReadPbuffer->pFBConfig->id;
- new_reply.readType = GLX_PBUFFER_TYPE;
- }
- }
-
- if (!pReadDraw) {
- /*
- ** Drawable is neither a Window nor a GLXPixmap.
- */
- client->errorValue = readId;
- return __glXBadDrawable;
- }
-
- } else {
- pReadDraw = pDraw;
- pReadGlxPixmap = pGlxPixmap;
- pReadWin = pWin;
- new_reply.readVid = new_reply.writeVid;
- new_reply.readType = new_reply.writeType;
- }
-
- if (prevglxc) {
-
- if (prevglxc->pGlxPixmap) {
- /*
- ** The previous drawable was a glx pixmap, release it.
- */
- prevglxc->pGlxPixmap->refcnt--;
- __glXFreeGLXPixmap( prevglxc->pGlxPixmap );
- prevglxc->pGlxPixmap = 0;
- }
-
- if (prevglxc->pGlxReadPixmap) {
- /*
- ** The previous drawable was a glx pixmap, release it.
- */
- prevglxc->pGlxReadPixmap->refcnt--;
- __glXFreeGLXPixmap( prevglxc->pGlxReadPixmap );
- prevglxc->pGlxReadPixmap = 0;
- }
-
- if (prevglxc->pGlxWindow) {
- /*
- ** The previous drawable was a glx window, release it.
- */
- prevglxc->pGlxWindow->refcnt--;
- __glXFreeGLXWindow( prevglxc->pGlxWindow );
- prevglxc->pGlxWindow = 0;
- }
-
- if (prevglxc->pGlxReadWindow) {
- /*
- ** The previous drawable was a glx window, release it.
- */
- prevglxc->pGlxReadWindow->refcnt--;
- __glXFreeGLXWindow( prevglxc->pGlxReadWindow );
- prevglxc->pGlxReadWindow = 0;
- }
-
- if (prevglxc->pGlxPbuffer) {
- /*
- ** The previous drawable was a glx Pbuffer, release it.
- */
- prevglxc->pGlxPbuffer->refcnt--;
- __glXFreeGLXPbuffer( prevglxc->pGlxPbuffer );
- prevglxc->pGlxPbuffer = 0;
- }
-
- if (prevglxc->pGlxReadPbuffer) {
- /*
- ** The previous drawable was a glx Pbuffer, release it.
- */
- prevglxc->pGlxReadPbuffer->refcnt--;
- __glXFreeGLXPbuffer( prevglxc->pGlxReadPbuffer );
- prevglxc->pGlxReadPbuffer = 0;
- }
-
- ChangeCurrentContext(cl, glxc, tag);
- ChangeCurrentContext(cl, glxc, tag);
- StopUsingContext(prevglxc);
- } else {
- tag = AddCurrentContext(cl, glxc, pDraw);
- }
- if (glxc) {
-
- glxc->pGlxPixmap = pGlxPixmap;
- glxc->pGlxReadPixmap = pReadGlxPixmap;
- glxc->pGlxWindow = pGlxWindow;
- glxc->pGlxReadWindow = pGlxReadWindow;
- glxc->pGlxPbuffer = pGlxPbuffer;
- glxc->pGlxReadPbuffer = pGlxReadPbuffer;
-
- if (pGlxPixmap) {
- pGlxPixmap->refcnt++;
- }
-
- if (pReadGlxPixmap) {
- pReadGlxPixmap->refcnt++;
- }
-
- if (pGlxWindow) {
- pGlxWindow->refcnt++;
- }
-
- if (pGlxReadWindow) {
- pGlxReadWindow->refcnt++;
- }
-
- if (pGlxPbuffer) {
- pGlxPbuffer->refcnt++;
- }
-
- if (pGlxReadPbuffer) {
- pGlxReadPbuffer->refcnt++;
- }
-
- StartUsingContext(cl, glxc);
- new_reply.contextTag = tag;
- } else {
- new_reply.contextTag = 0;
- }
- new_reply.length = 0;
- new_reply.type = X_Reply;
- new_reply.sequenceNumber = client->sequence;
-
-#ifdef PANORAMIX
- if (!noPanoramiXExtension) {
- from_screen = 0;
- to_screen = screenInfo.numScreens - 1;
-
- if (pDraw && new_reply.writeType != GLX_PBUFFER_TYPE) {
- dixLookupResourceByClass((pointer*) &pXinDraw,
- pDraw->id, XRC_DRAWABLE,
- client, DixReadAccess);
- }
-
- if (pReadDraw && pReadDraw != pDraw &&
- new_reply.readType != GLX_PBUFFER_TYPE) {
- dixLookupResourceByClass((pointer*) &pXinReadDraw,
- pReadDraw->id, XRC_DRAWABLE,
- client, DixReadAccess);
- }
- else {
- pXinReadDraw = pXinDraw;
- }
- }
-#endif
-
-
- /* send the MakeCurrent request to all required
- * back-end servers.
- */
- for (s = from_screen; s<=to_screen; s++) {
- DMXScreenInfo *dmxScreen = &dmxScreens[s];
- Display *dpy = GetBackEndDisplay(cl,s);
- unsigned int be_draw = None;
- unsigned int be_read_draw = None;
-
- if (pGlxPixmap) {
- be_draw = pGlxPixmap->be_xids[s];
- }
- else if (pGlxPbuffer) {
- be_draw = pGlxPbuffer->be_xids[s];
- }
-#ifdef PANORAMIX
- else if (pXinDraw) {
- dixLookupWindow(&pWin, pXinDraw->info[s].id, client, DixReadAccess);
- }
-#endif
- else if (pGlxWindow) {
- pWin = (WindowPtr)pGlxWindow->pDraw;
- }
-
- if (pWin && be_draw == None) {
- be_draw = (unsigned int)(DMX_GET_WINDOW_PRIV(pWin))->window;
- if (!be_draw) {
- /* it might be that the window did not created yet on the */
- /* back-end server (lazy window creation option), force */
- /* creation of the window */
- dmxCreateAndRealizeWindow( pWin, TRUE );
- be_draw = (unsigned int)(DMX_GET_WINDOW_PRIV(pWin))->window;
- }
- }
-
- /*
- * Before sending the MakeCurrent request - sync the
- * X11 connection to the back-end servers to make sure
- * that drawable is already created
- */
- dmxSync( dmxScreen, 1 );
-
- if (drawId == readId) {
- LockDisplay(dpy);
- GetReq(GLXMakeCurrent, be_req);
- be_req->reqType = dmxScreen->glxMajorOpcode;
- be_req->glxCode = X_GLXMakeCurrent;
- be_req->drawable = be_draw;
- be_req->context = (unsigned int)(glxc ? glxc->real_ids[s-from_screen] : 0);
- be_req->oldContextTag = GetCurrentBackEndTag(cl, tag, s);
- if (!_XReply(dpy, (xReply *) &be_reply, 0, False)) {
-
- /* The make current failed */
- UnlockDisplay(dpy);
- SyncHandle();
- return( BE_TO_CLIENT_ERROR(dmxLastErrorEvent.error_code) );
- }
-
- UnlockDisplay(dpy);
- SyncHandle();
-
- SetCurrentBackEndTag( cl, tag, s, be_reply.contextTag );
- }
- else {
-
- if (pReadGlxPixmap) {
- be_read_draw = pReadGlxPixmap->be_xids[s];
- }
- else if (pGlxReadPbuffer) {
- be_read_draw = pGlxReadPbuffer->be_xids[s];
- }
-#ifdef PANORAMIX
- else if (pXinReadDraw) {
- dixLookupWindow(&pReadWin, pXinReadDraw->info[s].id, client,
- DixReadAccess);
- }
-#endif
- else if (pGlxReadWindow) {
- pReadWin = (WindowPtr)pGlxReadWindow->pDraw;
- }
-
- if (pReadWin && be_read_draw == None) {
- be_read_draw = (unsigned int)(DMX_GET_WINDOW_PRIV(pReadWin))->window;
- if (!be_read_draw) {
- /* it might be that the window did not created yet on the */
- /* back-end server (lazy window creation option), force */
- /* creation of the window */
- dmxCreateAndRealizeWindow( pReadWin, TRUE );
- be_read_draw = (unsigned int)(DMX_GET_WINDOW_PRIV(pReadWin))->window;
- dmxSync( dmxScreen, 1 );
- }
- }
-
- if ( __GLX_IS_VERSION_SUPPORTED(1,3) ) {
- LockDisplay(dpy);
- GetReq(GLXMakeContextCurrent, be_new_req);
- be_new_req->reqType = dmxScreen->glxMajorOpcode;
- be_new_req->glxCode = X_GLXMakeContextCurrent;
- be_new_req->drawable = be_draw;
- be_new_req->readdrawable = be_read_draw;
- be_new_req->context = (unsigned int)(glxc ? glxc->real_ids[s-from_screen] : 0);
- be_new_req->oldContextTag = GetCurrentBackEndTag(cl, tag, s);
- if (!_XReply(dpy, (xReply *) &be_new_reply, 0, False)) {
-
- /* The make current failed */
- UnlockDisplay(dpy);
- SyncHandle();
- return( BE_TO_CLIENT_ERROR(dmxLastErrorEvent.error_code) );
- }
-
- UnlockDisplay(dpy);
- SyncHandle();
-
- SetCurrentBackEndTag( cl, tag, s, be_new_reply.contextTag );
- }
- else if (glxIsExtensionSupported("GLX_SGI_make_current_read")) {
- xGLXMakeCurrentReadSGIReq *ext_req;
- xGLXVendorPrivateWithReplyReq *vpreq;
- xGLXMakeCurrentReadSGIReply ext_reply;
-
- LockDisplay(dpy);
- GetReqExtra(GLXVendorPrivateWithReply,
- sz_xGLXMakeCurrentReadSGIReq - sz_xGLXVendorPrivateWithReplyReq,
- vpreq);
- ext_req = (xGLXMakeCurrentReadSGIReq *)vpreq;
- ext_req->reqType = dmxScreen->glxMajorOpcode;
- ext_req->glxCode = X_GLXVendorPrivateWithReply;
- ext_req->vendorCode = X_GLXvop_MakeCurrentReadSGI;
- ext_req->drawable = be_draw;
- ext_req->readable = be_read_draw;
- ext_req->context = (unsigned int)(glxc ? glxc->real_ids[s-from_screen] : 0);
- ext_req->oldContextTag = GetCurrentBackEndTag(cl, tag, s);
- if (!_XReply(dpy, (xReply *) &ext_reply, 0, False)) {
-
- /* The make current failed */
- UnlockDisplay(dpy);
- SyncHandle();
- return( BE_TO_CLIENT_ERROR(dmxLastErrorEvent.error_code) );
- }
-
- UnlockDisplay(dpy);
- SyncHandle();
-
- SetCurrentBackEndTag( cl, tag, s, ext_reply.contextTag );
-
- }
- else {
- return BadMatch;
- }
- }
-
- XFlush( dpy );
- }
-
- if (client->swapped) {
- __glXSwapMakeCurrentReply(client, &new_reply);
- } else {
- WriteToClient(client, sz_xGLXMakeContextCurrentReply, (char *)&new_reply);
- }
-
- return Success;
-}
-
-int __glXMakeCurrent(__GLXclientState *cl, GLbyte *pc)
-{
- xGLXMakeCurrentReq *req = (xGLXMakeCurrentReq *) pc;
-
- return( MakeCurrent(cl, req->drawable, req->drawable,
- req->context, req->oldContextTag ) );
-}
-
-int __glXMakeContextCurrent(__GLXclientState *cl, GLbyte *pc)
-{
- xGLXMakeContextCurrentReq *req = (xGLXMakeContextCurrentReq *) pc;
-
- return( MakeCurrent(cl, req->drawable, req->readdrawable,
- req->context, req->oldContextTag ) );
-}
-
-int __glXMakeCurrentReadSGI(__GLXclientState *cl, GLbyte *pc)
-{
- xGLXMakeCurrentReadSGIReq *req = (xGLXMakeCurrentReadSGIReq *) pc;
-
- return( MakeCurrent(cl, req->drawable, req->readable,
- req->context, req->oldContextTag ) );
-}
-
-int __glXIsDirect(__GLXclientState *cl, GLbyte *pc)
-{
- ClientPtr client = cl->client;
- xGLXIsDirectReq *req = (xGLXIsDirectReq *) pc;
- xGLXIsDirectReply reply;
- __GLXcontext *glxc;
-
- /*
- ** Find the GL context.
- */
- dixLookupResourceByType((pointer*) &glxc, req->context, __glXContextRes,
- NullClient, DixUnknownAccess);
- if (!glxc) {
- client->errorValue = req->context;
- return __glXBadContext;
- }
-
- reply.isDirect = 0;
- reply.length = 0;
- reply.type = X_Reply;
- reply.sequenceNumber = client->sequence;
-
- if (client->swapped) {
- __glXSwapIsDirectReply(client, &reply);
- } else {
- WriteToClient(client, sz_xGLXIsDirectReply, (char *)&reply);
- }
-
- return Success;
-}
-
-int __glXQueryVersion(__GLXclientState *cl, GLbyte *pc)
-{
- ClientPtr client = cl->client;
-/* xGLXQueryVersionReq *req = (xGLXQueryVersionReq *) pc; */
- xGLXQueryVersionReply reply;
-
- /*
- ** Server should take into consideration the version numbers sent by the
- ** client if it wants to work with older clients; however, in this
- ** implementation the server just returns its version number.
- */
- reply.majorVersion = __glXVersionMajor;
- reply.minorVersion = __glXVersionMinor;
- reply.length = 0;
- reply.type = X_Reply;
- reply.sequenceNumber = client->sequence;
-
- if (client->swapped) {
- __glXSwapQueryVersionReply(client, &reply);
- } else {
- WriteToClient(client, sz_xGLXQueryVersionReply, (char *)&reply);
- }
- return Success;
-}
-
-int __glXWaitGL(__GLXclientState *cl, GLbyte *pc)
-{
- xGLXWaitGLReq *req = (xGLXWaitGLReq *)pc;
- xGLXWaitGLReq *be_req = (xGLXWaitGLReq *)pc;
- int from_screen = 0;
- int to_screen = 0;
- int s;
- __GLXcontext *glxc = NULL;
-
- if (req->contextTag != 0) {
- glxc = __glXLookupContextByTag(cl, req->contextTag);
- if (glxc) {
- from_screen = to_screen = glxc->pScreen->myNum;
- }
- }
-
-#ifdef PANORAMIX
- if (!noPanoramiXExtension) {
- from_screen = 0;
- to_screen = screenInfo.numScreens - 1;
- }
-#endif
-
- for (s=from_screen; s<=to_screen; s++) {
- DMXScreenInfo *dmxScreen = &dmxScreens[s];
- Display *dpy = GetBackEndDisplay(cl,s);
-
- LockDisplay(dpy);
- GetReq(GLXWaitGL,be_req);
- be_req->reqType = dmxScreen->glxMajorOpcode;
- be_req->glxCode = X_GLXWaitGL;
- be_req->contextTag = (glxc ? GetCurrentBackEndTag(cl,req->contextTag,s) : 0);
- UnlockDisplay(dpy);
- SyncHandle();
-
- XSync(dpy, False);
- }
-
- return Success;
-}
-
-int __glXWaitX(__GLXclientState *cl, GLbyte *pc)
-{
- xGLXWaitXReq *req = (xGLXWaitXReq *)pc;
- xGLXWaitXReq *be_req;
- int from_screen = 0;
- int to_screen = 0;
- int s;
- __GLXcontext *glxc = NULL;
-
- if (req->contextTag != 0) {
- glxc = __glXLookupContextByTag(cl, req->contextTag);
- if (glxc) {
- from_screen = to_screen = glxc->pScreen->myNum;
- }
- }
-
-#ifdef PANORAMIX
- if (!noPanoramiXExtension) {
- from_screen = 0;
- to_screen = screenInfo.numScreens - 1;
- }
-#endif
-
- for (s=from_screen; s<=to_screen; s++) {
- DMXScreenInfo *dmxScreen = &dmxScreens[s];
- Display *dpy = GetBackEndDisplay(cl,s);
-
- dmxSync( dmxScreen, 1 );
-
- LockDisplay(dpy);
- GetReq(GLXWaitX,be_req);
- be_req->reqType = dmxScreen->glxMajorOpcode;
- be_req->glxCode = X_GLXWaitX;
- be_req->contextTag = (glxc ? GetCurrentBackEndTag(cl,req->contextTag,s) : 0);
- UnlockDisplay(dpy);
- SyncHandle();
-
- XFlush( dpy );
- }
-
- return Success;
-}
-
-int __glXCopyContext(__GLXclientState *cl, GLbyte *pc)
-{
- ClientPtr client = cl->client;
- xGLXCopyContextReq *be_req;
- xGLXCopyContextReq *req = (xGLXCopyContextReq *) pc;
- GLXContextID source = req->source;
- GLXContextID dest = req->dest;
- GLXContextTag tag = req->contextTag;
- unsigned long mask = req->mask;
- __GLXcontext *src, *dst;
- int s;
- int from_screen = 0;
- int to_screen = 0;
-
- /*
- ** Check that each context exists.
- */
- dixLookupResourceByType((pointer*) &src, source, __glXContextRes,
- NullClient, DixUnknownAccess);
- if (!src) {
- client->errorValue = source;
- return __glXBadContext;
- }
- dixLookupResourceByType((pointer*) &dst, dest, __glXContextRes,
- NullClient, DixUnknownAccess);
- if (!dst) {
- client->errorValue = dest;
- return __glXBadContext;
- }
-
- /*
- ** They must be in the same address space, and same screen.
- */
- if (src->pGlxScreen != dst->pGlxScreen) {
- client->errorValue = source;
- return BadMatch;
- }
-
- /*
- ** The destination context must not be current for any client.
- */
- if (dst->isCurrent) {
- client->errorValue = dest;
- return BadAccess;
- }
-
- if (tag) {
- __GLXcontext *tagcx = __glXLookupContextByTag(cl, tag);
-
- if (!tagcx) {
- return __glXBadContextTag;
- }
- if (tagcx != src) {
- /*
- ** This would be caused by a faulty implementation of the client
- ** library.
- */
- return BadMatch;
- }
- }
-
- from_screen = to_screen = src->pScreen->myNum;
-
-#ifdef PANORAMIX
- if (!noPanoramiXExtension) {
- from_screen = 0;
- to_screen = screenInfo.numScreens - 1;
- }
-#endif
-
- for (s=from_screen; s<=to_screen; s++) {
- DMXScreenInfo *dmxScreen = &dmxScreens[s];
- Display *dpy = GetBackEndDisplay(cl,s);
-
- LockDisplay(dpy);
- GetReq(GLXCopyContext,be_req);
- be_req->reqType = dmxScreen->glxMajorOpcode;
- be_req->glxCode = X_GLXCopyContext;
- be_req->source = (unsigned int)src->real_ids[s-from_screen];
- be_req->dest = (unsigned int)dst->real_ids[s-from_screen];
- be_req->mask = mask;
- be_req->contextTag = (tag ? GetCurrentBackEndTag(cl,req->contextTag,s) : 0);
- UnlockDisplay(dpy);
- SyncHandle();
- }
-
- return Success;
-}
-
-int __glXGetVisualConfigs(__GLXclientState *cl, GLbyte *pc)
-{
- ClientPtr client = cl->client;
- xGLXGetVisualConfigsReq *req = (xGLXGetVisualConfigsReq *) pc;
- xGLXGetVisualConfigsReply reply;
- __GLXscreenInfo *pGlxScreen;
- __GLXvisualConfig *pGlxVisual;
- CARD32 buf[__GLX_TOTAL_CONFIG];
- unsigned int screen;
- int i, p;
-
- screen = req->screen;
- if (screen >= screenInfo.numScreens) {
- /* The client library must send a valid screen number. */
- client->errorValue = screen;
- return BadValue;
- }
- pGlxScreen = &__glXActiveScreens[screen];
-
- reply.numVisuals = pGlxScreen->numGLXVisuals;
- reply.numProps = __GLX_TOTAL_CONFIG;
- reply.length = (pGlxScreen->numGLXVisuals * __GLX_SIZE_CARD32 *
- __GLX_TOTAL_CONFIG) >> 2;
- reply.type = X_Reply;
- reply.sequenceNumber = client->sequence;
-
- WriteToClient(client, sz_xGLXGetVisualConfigsReply, (char *)&reply);
-
- for (i=0; i < pGlxScreen->numVisuals; i++) {
- pGlxVisual = &pGlxScreen->pGlxVisual[i];
- if (!pGlxScreen->isGLXvis[i] || pGlxVisual->vid == 0) {
- /* not a usable visual */
- continue;
- }
- p = 0;
- buf[p++] = pGlxVisual->vid;
- buf[p++] = pGlxVisual->class;
- buf[p++] = pGlxVisual->rgba;
-
- buf[p++] = pGlxVisual->redSize;
- buf[p++] = pGlxVisual->greenSize;
- buf[p++] = pGlxVisual->blueSize;
- buf[p++] = pGlxVisual->alphaSize;
- buf[p++] = pGlxVisual->accumRedSize;
- buf[p++] = pGlxVisual->accumGreenSize;
- buf[p++] = pGlxVisual->accumBlueSize;
- buf[p++] = pGlxVisual->accumAlphaSize;
-
- buf[p++] = pGlxVisual->doubleBuffer;
- buf[p++] = pGlxVisual->stereo;
-
- buf[p++] = pGlxVisual->bufferSize;
- buf[p++] = pGlxVisual->depthSize;
- buf[p++] = pGlxVisual->stencilSize;
- buf[p++] = pGlxVisual->auxBuffers;
- buf[p++] = pGlxVisual->level;
- /*
- ** Add token/value pairs for extensions.
- */
- buf[p++] = GLX_VISUAL_CAVEAT_EXT;
- buf[p++] = pGlxVisual->visualRating;
- buf[p++] = GLX_TRANSPARENT_TYPE_EXT;
- buf[p++] = pGlxVisual->transparentPixel;
- buf[p++] = GLX_TRANSPARENT_RED_VALUE_EXT;
- buf[p++] = pGlxVisual->transparentRed;
- buf[p++] = GLX_TRANSPARENT_GREEN_VALUE_EXT;
- buf[p++] = pGlxVisual->transparentGreen;
- buf[p++] = GLX_TRANSPARENT_BLUE_VALUE_EXT;
- buf[p++] = pGlxVisual->transparentBlue;
- buf[p++] = GLX_TRANSPARENT_ALPHA_VALUE_EXT;
- buf[p++] = pGlxVisual->transparentAlpha;
- buf[p++] = GLX_TRANSPARENT_INDEX_VALUE_EXT;
- buf[p++] = pGlxVisual->transparentIndex;
- buf[p++] = GLX_SAMPLES_SGIS;
- buf[p++] = pGlxVisual->multiSampleSize;
- buf[p++] = GLX_SAMPLE_BUFFERS_SGIS;
- buf[p++] = pGlxVisual->nMultiSampleBuffers;
- buf[p++] = GLX_VISUAL_SELECT_GROUP_SGIX;
- buf[p++] = pGlxVisual->visualSelectGroup;
-
- WriteToClient(client, __GLX_SIZE_CARD32 * __GLX_TOTAL_CONFIG,
- (char *)buf);
- }
- return Success;
-}
-
-/*
-** Create a GLX Pixmap from an X Pixmap.
-*/
-static int CreateGLXPixmap(__GLXclientState *cl,
- VisualID visual, GLXFBConfigID fbconfigId,
- int screenNum, XID pixmapId, XID glxpixmapId )
-{
- ClientPtr client = cl->client;
- xGLXCreateGLXPixmapReq *be_req;
- xGLXCreatePixmapReq *be_new_req;
- DrawablePtr pDraw;
- ScreenPtr pScreen;
- VisualPtr pVisual;
- __GLXpixmap *pGlxPixmap;
- __GLXscreenInfo *pGlxScreen;
- __GLXvisualConfig *pGlxVisual;
- __GLXFBConfig *pFBConfig;
- int i, s, rc;
- int from_screen, to_screen;
-#ifdef PANORAMIX
- PanoramiXRes *pXinDraw = NULL;
-#endif
-
- rc = dixLookupDrawable(&pDraw, pixmapId, client, M_DRAWABLE_PIXMAP,
- DixAddAccess);
- if (rc != Success)
- return rc;
-
- /*
- ** Check if screen of visual matches screen of pixmap.
- */
- pScreen = pDraw->pScreen;
- if (screenNum != pScreen->myNum) {
- return BadMatch;
- }
-
- if (fbconfigId == NULL && visual == NULL) {
- return BadValue;
- }
-
- if (fbconfigId != None) {
- pFBConfig = glxLookupFBConfig( fbconfigId );
- if (!pFBConfig) {
- client->errorValue = fbconfigId;
- return BadValue;
- }
- visual = pFBConfig->associatedVisualId;
- }
- else {
- pFBConfig = NULL;
- }
-
- if (visual != None) {
- /*
- ** Find the VisualRec for this visual.
- */
- pVisual = pScreen->visuals;
- for (i=0; i < pScreen->numVisuals; i++, pVisual++) {
- if (pVisual->vid == visual) {
- break;
- }
- }
- if (i == pScreen->numVisuals) {
- client->errorValue = visual;
- return BadValue;
- }
- /*
- ** Check if depth of visual matches depth of pixmap.
- */
- if (pVisual->nplanes != pDraw->depth) {
- client->errorValue = visual;
- return BadMatch;
- }
-
- /*
- ** Get configuration of the visual.
- */
- pGlxScreen = &__glXActiveScreens[screenNum];
- pGlxVisual = pGlxScreen->pGlxVisual;
- for (i = 0; i < pGlxScreen->numVisuals; i++, pGlxVisual++) {
- if (pGlxVisual->vid == visual) {
- break;
- }
- }
- if (i == pGlxScreen->numVisuals) {
- /*
- ** Visual not support on this screen by this OpenGL implementation.
- */
- client->errorValue = visual;
- return BadValue;
- }
-
-
- /* find the FBConfig for that visual (if any) */
- if ( pFBConfig == NULL ) {
- pFBConfig = glxLookupFBConfigByVID( visual );
-
- if ( pFBConfig == NULL ) {
- /*
- * visual does not have an FBConfig ???
- client->errorValue = visual;
- return BadValue;
- */
- }
- }
- }
- else {
- pVisual = NULL;
- pGlxVisual = NULL;
- }
-
- pGlxPixmap = (__GLXpixmap *) malloc(sizeof(__GLXpixmap));
- if (!pGlxPixmap) {
- return BadAlloc;
- }
- pGlxPixmap->be_xids = (XID *) malloc(sizeof(XID) * screenInfo.numScreens);
- if (!pGlxPixmap->be_xids) {
- free( pGlxPixmap );
- return BadAlloc;
- }
-
- pGlxPixmap->pDraw = pDraw;
- pGlxPixmap->pGlxScreen = pGlxScreen;
- pGlxPixmap->pGlxVisual = pGlxVisual;
- pGlxPixmap->pFBConfig = pFBConfig;
- pGlxPixmap->pScreen = pScreen;
- pGlxPixmap->idExists = True;
- pGlxPixmap->refcnt = 0;
-
- /*
- ** Bump the ref count on the X pixmap so it won't disappear.
- */
- ((PixmapPtr) pDraw)->refcnt++;
-
- /*
- * send the request to the back-end server(s)
- */
- from_screen = to_screen = screenNum;
-#ifdef PANORAMIX
- if (!noPanoramiXExtension) {
- from_screen = 0;
- to_screen = screenInfo.numScreens - 1;
-
- dixLookupResourceByClass((pointer*) &pXinDraw,
- pDraw->id, XRC_DRAWABLE,
- client, DixReadAccess);
- }
-#endif
-
- for (s=from_screen; s<=to_screen; s++) {
-
- DMXScreenInfo *dmxScreen = &dmxScreens[s];
- Display *dpy = GetBackEndDisplay(cl,s);
- Pixmap be_pixmap;
- DrawablePtr pRealDraw = pDraw;
-
-#ifdef PANORAMIX
- if (pXinDraw) {
- dixLookupDrawable(&pRealDraw, pXinDraw->info[s].id, client, 0,
- DixAddAccess);
- }
-#endif
-
- be_pixmap = (DMX_GET_PIXMAP_PRIV((PixmapPtr)pRealDraw))->pixmap;
-
- /* make sure pixmap already created on back-end */
- dmxSync( dmxScreen, 1 );
-
- if ( pFBConfig && __GLX_IS_VERSION_SUPPORTED(1,3) ) {
- __GLXFBConfig *be_FBConfig = glxLookupBackEndFBConfig( pFBConfig->id, s );
-
- LockDisplay(dpy);
- pGlxPixmap->be_xids[s] = XAllocID(dpy);
- GetReq(GLXCreatePixmap,be_new_req);
- be_new_req->reqType = dmxScreen->glxMajorOpcode;
- be_new_req->glxCode = X_GLXCreatePixmap;
- be_new_req->screen = DefaultScreen(dpy);
- be_new_req->fbconfig = be_FBConfig->id;
- be_new_req->pixmap = (unsigned int)be_pixmap;
- be_new_req->glxpixmap = (unsigned int)pGlxPixmap->be_xids[s];
- be_new_req->numAttribs = 0;
- UnlockDisplay(dpy);
- SyncHandle();
- }
- else if (pFBConfig && glxIsExtensionSupported("GLX_SGIX_fbconfig")) {
- __GLXFBConfig *be_FBConfig = glxLookupBackEndFBConfig( pFBConfig->id, s );
- xGLXCreateGLXPixmapWithConfigSGIXReq *ext_req;
- xGLXVendorPrivateReq *vpreq;
-
- LockDisplay(dpy);
- pGlxPixmap->be_xids[s] = XAllocID(dpy);
- GetReqExtra(GLXVendorPrivate,
- sz_xGLXCreateGLXPixmapWithConfigSGIXReq-sz_xGLXVendorPrivateReq,
- vpreq);
- ext_req = (xGLXCreateGLXPixmapWithConfigSGIXReq *)vpreq;
- ext_req->reqType = dmxScreen->glxMajorOpcode;
- ext_req->glxCode = X_GLXVendorPrivate;
- ext_req->vendorCode = X_GLXvop_CreateGLXPixmapWithConfigSGIX;
- ext_req->screen = DefaultScreen(dpy);
- ext_req->fbconfig = be_FBConfig->id;
- ext_req->pixmap = (unsigned int)be_pixmap;
- ext_req->glxpixmap = (unsigned int)pGlxPixmap->be_xids[s];
- UnlockDisplay(dpy);
- SyncHandle();
- }
- else if (pGlxVisual) {
- LockDisplay(dpy);
- pGlxPixmap->be_xids[s] = XAllocID(dpy);
- GetReq(GLXCreateGLXPixmap,be_req);
- be_req->reqType = dmxScreen->glxMajorOpcode;
- be_req->glxCode = X_GLXCreateGLXPixmap;
- be_req->screen = DefaultScreen(dpy);
- be_req->visual = (unsigned int)glxMatchGLXVisualInConfigList(
- pGlxVisual,
- dmxScreen->glxVisuals,
- dmxScreen->numGlxVisuals );
- be_req->pixmap = (unsigned int)be_pixmap;
- be_req->glxpixmap = (unsigned int)pGlxPixmap->be_xids[s];
- UnlockDisplay(dpy);
- SyncHandle();
- }
- else {
- client->errorValue = ( visual ? visual : fbconfigId );
- free( pGlxPixmap );
- return BadValue;
- }
-
- XFlush( dpy );
- }
-
- if (!(AddResource(glxpixmapId, __glXPixmapRes, pGlxPixmap))) {
- free( pGlxPixmap );
- return BadAlloc;
- }
-
- return Success;
-}
-
-int __glXCreateGLXPixmap(__GLXclientState *cl, GLbyte *pc)
-{
- xGLXCreateGLXPixmapReq *req = (xGLXCreateGLXPixmapReq *) pc;
-
- return( CreateGLXPixmap(cl, req->visual, None,
- req->screen, req->pixmap, req->glxpixmap) );
-}
-
-int __glXCreatePixmap(__GLXclientState *cl, GLbyte *pc)
-{
- xGLXCreatePixmapReq *req = (xGLXCreatePixmapReq *) pc;
-
- return( CreateGLXPixmap(cl, None, req->fbconfig,
- req->screen, req->pixmap, req->glxpixmap) );
-}
-
-int __glXDestroyGLXPixmap(__GLXclientState *cl, GLbyte *pc)
-{
- ClientPtr client = cl->client;
- xGLXDestroyGLXPixmapReq *req = (xGLXDestroyGLXPixmapReq *) pc;
- XID glxpixmap = req->glxpixmap;
- __GLXpixmap *pGlxPixmap;
- int s;
- int from_screen, to_screen;
-
- /*
- ** Check if it's a valid GLX pixmap.
- */
- dixLookupResourceByType((pointer*) &pGlxPixmap, glxpixmap,
- __glXPixmapRes, NullClient, DixUnknownAccess);
- if (!pGlxPixmap) {
- client->errorValue = glxpixmap;
- return __glXBadPixmap;
- }
- FreeResource(glxpixmap, FALSE);
-
- /*
- * destroy the pixmap on the back-end server(s).
- */
- from_screen = to_screen = pGlxPixmap->pDraw->pScreen->myNum;
-#ifdef PANORAMIX
- if (!noPanoramiXExtension) {
- from_screen = 0;
- to_screen = screenInfo.numScreens - 1;
- }
-#endif
-
- for (s=from_screen; s<=to_screen; s++) {
- DMXScreenInfo *dmxScreen = &dmxScreens[s];
- Display *dpy = GetBackEndDisplay(cl,s);
-
- /* make sure pixmap exist in back-end */
- dmxSync( dmxScreen, 1 );
-
- LockDisplay(dpy);
- GetReq(GLXDestroyGLXPixmap,req);
- req->reqType = dmxScreen->glxMajorOpcode;
- req->glxCode = X_GLXDestroyGLXPixmap;
- req->glxpixmap = (unsigned int)pGlxPixmap->be_xids[s];
- UnlockDisplay(dpy);
- SyncHandle();
- }
-
-
- return Success;
-}
-
-/*****************************************************************************/
-
-/*
-** NOTE: There is no portable implementation for swap buffers as of
-** this time that is of value. Consequently, this code must be
-** implemented by somebody other than SGI.
-*/
-int __glXDoSwapBuffers(__GLXclientState *cl, XID drawId, GLXContextTag tag)
-{
- ClientPtr client = cl->client;
- DrawablePtr pDraw;
- xGLXSwapBuffersReq *be_req;
- WindowPtr pWin = NULL;
- __GLXpixmap *pGlxPixmap = NULL;
- __GLXcontext *glxc = NULL;
-#ifdef PANORAMIX
- PanoramiXRes *pXinDraw = NULL;
-#endif
- __glXWindow *pGlxWindow = NULL;
- int from_screen = 0;
- int to_screen = 0;
- int s, rc;
-
- /*
- ** Check that the GLX drawable is valid.
- */
- rc = dixLookupDrawable(&pDraw, drawId, client, 0, DixWriteAccess);
- if (rc == Success) {
- from_screen = to_screen = pDraw->pScreen->myNum;
-
- if (pDraw->type == DRAWABLE_WINDOW) {
- /*
- ** Drawable is an X window.
- */
- pWin = (WindowPtr)pDraw;
- } else {
- /*
- ** Drawable is an X pixmap, which is not allowed.
- */
- client->errorValue = drawId;
- return __glXBadDrawable;
- }
- }
-
- if (!pDraw) {
- dixLookupResourceByType((pointer*) &pGlxPixmap, drawId,
- __glXPixmapRes, NullClient, DixUnknownAccess);
- if (pGlxPixmap) {
- /*
- ** Drawable is a GLX pixmap.
- */
- pDraw = pGlxPixmap->pDraw;
- from_screen = to_screen = pGlxPixmap->pScreen->myNum;
- }
- }
-
- if (!pDraw && __GLX_IS_VERSION_SUPPORTED(1,3) ) {
- dixLookupResourceByType((pointer*) &pGlxWindow, drawId,
- __glXWindowRes, NullClient, DixUnknownAccess);
- if (pGlxWindow) {
- /*
- ** Drawable is a GLXWindow.
- */
- pDraw = pGlxWindow->pDraw;
- from_screen = to_screen = pGlxWindow->pScreen->myNum;
- }
- }
-
- if (!pDraw) {
- /*
- ** Drawable is neither a X window nor a GLX pixmap.
- */
- client->errorValue = drawId;
- return __glXBadDrawable;
- }
-
- if (tag) {
- glxc = __glXLookupContextByTag(cl, tag);
- if (!glxc) {
- return __glXBadContextTag;
- }
- }
-
-#ifdef PANORAMIX
- if (!noPanoramiXExtension) {
- from_screen = 0;
- to_screen = screenInfo.numScreens - 1;
- dixLookupResourceByClass((pointer*) &pXinDraw,
- pDraw->id, XRC_DRAWABLE,
- client, DixReadAccess);
- }
-#endif
-
- /* If requested, send a glFinish to all back-end servers before swapping. */
- if (dmxGLXFinishSwap) {
- for (s=from_screen; s<=to_screen; s++) {
- Display *dpy = GetBackEndDisplay(cl,s);
- DMXScreenInfo *dmxScreen = &dmxScreens[s];
- xGLXSingleReq *finishReq;
- xGLXSingleReply reply;
-
-#define X_GLXSingle 0 /* needed by GetReq below */
-
- LockDisplay(dpy);
- GetReq(GLXSingle,finishReq);
- finishReq->reqType = dmxScreen->glxMajorOpcode;
- finishReq->glxCode = X_GLsop_Finish;
- finishReq->contextTag = (tag ? GetCurrentBackEndTag(cl,tag,s) : 0);
- (void) _XReply(dpy, (xReply*) &reply, 0, False);
- UnlockDisplay(dpy);
- SyncHandle();
- }
- }
-
- /* If requested, send an XSync to all back-end servers before swapping. */
- if (dmxGLXSyncSwap) {
- for (s=from_screen; s<=to_screen; s++)
- XSync(GetBackEndDisplay(cl,s), False);
- }
-
-
- /* send the SwapBuffers request to all back-end servers */
-
- for (s=from_screen; s<=to_screen; s++) {
- DMXScreenInfo *dmxScreen = &dmxScreens[s];
- Display *dpy = GetBackEndDisplay(cl,s);
- unsigned int be_draw = 0;
-
- if (pGlxPixmap) {
- be_draw = (unsigned int)pGlxPixmap->be_xids[s];
- }
-#ifdef PANORAMIX
- else if (pXinDraw) {
- dixLookupWindow(&pWin, pXinDraw->info[s].id, client, DixReadAccess);
- }
-#endif
- else if (pGlxWindow) {
- pWin = (WindowPtr)pGlxWindow->pDraw;
- }
-
- if (pWin && !be_draw) {
- be_draw = (unsigned int)(DMX_GET_WINDOW_PRIV(pWin))->window;
- if (!be_draw) {
- /* it might be that the window did not created yet on the */
- /* back-end server (lazy window creation option), force */
- /* creation of the window */
- dmxCreateAndRealizeWindow( pWin, TRUE );
- be_draw = (unsigned int)(DMX_GET_WINDOW_PRIV(pWin))->window;
- }
- }
-
- dmxSync( dmxScreen, 1 );
-
- LockDisplay(dpy);
- GetReq(GLXSwapBuffers,be_req);
- be_req->reqType = dmxScreen->glxMajorOpcode;
- be_req->glxCode = X_GLXSwapBuffers;
- be_req->drawable = be_draw;
- be_req->contextTag = ( tag ? GetCurrentBackEndTag(cl,tag,s) : 0 );
- UnlockDisplay(dpy);
- SyncHandle();
- XFlush(dpy);
- }
-
- return Success;
-}
-
-int __glXSwapBuffers(__GLXclientState *cl, GLbyte *pc)
-{
- ClientPtr client = cl->client;
- DrawablePtr pDraw;
- xGLXSwapBuffersReq *req = (xGLXSwapBuffersReq *) pc;
- GLXContextTag tag = req->contextTag;
- XID drawId = req->drawable;
- __GLXpixmap *pGlxPixmap = NULL;
- __GLXcontext *glxc = NULL;
- __glXWindow *pGlxWindow = NULL;
- int rc;
-
- /*
- ** Check that the GLX drawable is valid.
- */
- rc = dixLookupDrawable(&pDraw, drawId, client, 0, DixWriteAccess);
- if (rc == Success) {
- if (pDraw->type != DRAWABLE_WINDOW) {
- /*
- ** Drawable is an X pixmap, which is not allowed.
- */
- client->errorValue = drawId;
- return __glXBadDrawable;
- }
- }
-
- if (!pDraw) {
- dixLookupResourceByType((pointer*) &pGlxPixmap, drawId,
- __glXPixmapRes, NullClient, DixUnknownAccess);
- if (pGlxPixmap) {
- /*
- ** Drawable is a GLX pixmap.
- */
- pDraw = pGlxPixmap->pDraw;
- }
- }
-
- if (!pDraw && __GLX_IS_VERSION_SUPPORTED(1,3) ) {
- dixLookupResourceByType((pointer*) &pGlxWindow, drawId,
- __glXWindowRes, NullClient, DixUnknownAccess);
- if (pGlxWindow) {
- /*
- ** Drawable is a GLXWindow.
- */
- pDraw = pGlxWindow->pDraw;
- }
- }
-
- if (!pDraw) {
- /*
- ** Drawable is neither a X window nor a GLX pixmap.
- */
- client->errorValue = drawId;
- return __glXBadDrawable;
- }
-
- if (tag) {
- glxc = __glXLookupContextByTag(cl, tag);
- if (!glxc) {
- return __glXBadContextTag;
- }
- }
-
- if (pDraw &&
- pDraw->type == DRAWABLE_WINDOW &&
- DMX_GET_WINDOW_PRIV((WindowPtr)pDraw)->swapGroup) {
- return SGSwapBuffers(cl, drawId, tag, pDraw);
- }
-
- return __glXDoSwapBuffers(cl, drawId, tag);
-}
-
-
-/************************************************************************/
-
-/*
-** Render and Renderlarge are not in the GLX API. They are used by the GLX
-** client library to send batches of GL rendering commands.
-*/
-
-/*
-** Execute all the drawing commands in a request.
-*/
-int __glXRender(__GLXclientState *cl, GLbyte *pc)
-{
- xGLXRenderReq *req;
- xGLXRenderReq *be_req;
- int size;
- __GLXcontext *glxc;
- int from_screen = 0;
- int to_screen = 0;
- int s;
-
- /*
- ** NOTE: much of this code also appears in the byteswapping version of this
- ** routine, __glXSwapRender(). Any changes made here should also be
- ** duplicated there.
- */
-
- req = (xGLXRenderReq *) pc;
-
- glxc = __glXLookupContextByTag(cl, req->contextTag);
- if (!glxc) {
- return 0;
- }
- from_screen = to_screen = glxc->pScreen->myNum;
-
-#ifdef PANORAMIX
- if (!noPanoramiXExtension) {
- from_screen = 0;
- to_screen = screenInfo.numScreens - 1;
- }
-#endif
-
- pc += sz_xGLXRenderReq;
- size = (req->length << 2) - sz_xGLXRenderReq;
-
- /*
- * just forward the request to back-end server(s)
- */
- for (s=from_screen; s<=to_screen; s++) {
- DMXScreenInfo *dmxScreen = &dmxScreens[s];
- Display *dpy = GetBackEndDisplay(cl,s);
-
- LockDisplay(dpy);
- GetReq(GLXRender,be_req);
- be_req->reqType = dmxScreen->glxMajorOpcode;
- be_req->glxCode = X_GLXRender;
- be_req->length = req->length;
- be_req->contextTag = GetCurrentBackEndTag(cl,req->contextTag,s);
- _XSend(dpy, (const char *)pc, size);
- UnlockDisplay(dpy);
- SyncHandle();
- }
-
- return Success;
-}
-
-/*
-** Execute a large rendering request (one that spans multiple X requests).
-*/
-int __glXRenderLarge(__GLXclientState *cl, GLbyte *pc)
-{
- xGLXRenderLargeReq *req;
- xGLXRenderLargeReq *be_req;
- __GLXcontext *glxc;
- int from_screen = 0;
- int to_screen = 0;
- int s;
-
- /*
- ** NOTE: much of this code also appears in the byteswapping version of this
- ** routine, __glXSwapRenderLarge(). Any changes made here should also be
- ** duplicated there.
- */
-
- req = (xGLXRenderLargeReq *) pc;
- glxc = __glXLookupContextByTag(cl, req->contextTag);
- if (!glxc) {
- return 0;
- }
- from_screen = to_screen = glxc->pScreen->myNum;
-
-#ifdef PANORAMIX
- if (!noPanoramiXExtension) {
- from_screen = 0;
- to_screen = screenInfo.numScreens - 1;
- }
-#endif
-
- pc += sz_xGLXRenderLargeReq;
-
- /*
- * just forward the request to back-end server(s)
- */
- for (s=from_screen; s<=to_screen; s++) {
- DMXScreenInfo *dmxScreen = &dmxScreens[s];
- Display *dpy = GetBackEndDisplay(cl,s);
-
- GetReq(GLXRenderLarge,be_req);
- be_req->reqType = dmxScreen->glxMajorOpcode;
- be_req->glxCode = X_GLXRenderLarge;
- be_req->contextTag = GetCurrentBackEndTag(cl,req->contextTag,s);
- be_req->length = req->length;
- be_req->requestNumber = req->requestNumber;
- be_req->requestTotal = req->requestTotal;
- be_req->dataBytes = req->dataBytes;
- Data(dpy, (const char *)pc, req->dataBytes);
- UnlockDisplay(dpy);
- SyncHandle();
-
- }
-
- return Success;
-}
-
-
-/************************************************************************/
-
-int __glXVendorPrivate(__GLXclientState *cl, GLbyte *pc)
-{
- xGLXVendorPrivateReq *req;
-
- req = (xGLXVendorPrivateReq *) pc;
-
- switch( req->vendorCode ) {
-
- case X_GLvop_DeleteTexturesEXT:
- return __glXVForwardSingleReq( cl, pc );
- break;
-
- case X_GLXvop_SwapIntervalSGI:
- if (glxIsExtensionSupported("SGI_swap_control")) {
- return __glXVForwardSingleReq( cl, pc );
- }
- else {
- return Success;
- }
- break;
-
-#if 0 /* glx 1.3 */
- case X_GLXvop_CreateGLXVideoSourceSGIX:
- break;
- case X_GLXvop_DestroyGLXVideoSourceSGIX:
- break;
- case X_GLXvop_CreateGLXPixmapWithConfigSGIX:
- break;
- case X_GLXvop_DestroyGLXPbufferSGIX:
- break;
- case X_GLXvop_ChangeDrawableAttributesSGIX:
- break;
-#endif
-
- case X_GLXvop_BindSwapBarrierSGIX:
- return __glXBindSwapBarrierSGIX( cl, pc );
- break;
-
- case X_GLXvop_JoinSwapGroupSGIX:
- return __glXJoinSwapGroupSGIX( cl, pc );
- break;
-
- case X_GLXvop_CreateContextWithConfigSGIX:
- return __glXCreateContextWithConfigSGIX( cl, pc );
- break;
-
- default:
- /*
- ** unsupported private request
- */
- cl->client->errorValue = req->vendorCode;
- return __glXUnsupportedPrivateRequest;
- }
-
- cl->client->errorValue = req->vendorCode;
- return __glXUnsupportedPrivateRequest;
-
-}
-
-int __glXVendorPrivateWithReply(__GLXclientState *cl, GLbyte *pc)
-{
- xGLXVendorPrivateWithReplyReq *req;
-
- req = (xGLXVendorPrivateWithReplyReq *) pc;
-
- switch( req->vendorCode ) {
-
- case X_GLvop_GetConvolutionFilterEXT:
- case X_GLvop_GetConvolutionParameterfvEXT:
- case X_GLvop_GetConvolutionParameterivEXT:
- case X_GLvop_GetSeparableFilterEXT:
- case X_GLvop_GetHistogramEXT:
- case X_GLvop_GetHistogramParameterivEXT:
- case X_GLvop_GetMinmaxEXT:
- case X_GLvop_GetMinmaxParameterfvEXT:
- case X_GLvop_GetMinmaxParameterivEXT:
- case X_GLvop_AreTexturesResidentEXT:
- case X_GLvop_IsTextureEXT:
- return( __glXVForwardPipe0WithReply(cl, pc) );
- break;
-
- case X_GLvop_GenTexturesEXT:
- return( __glXVForwardAllWithReply(cl, pc) );
- break;
-
-
-#if 0 /* glx1.3 */
- case X_GLvop_GetDetailTexFuncSGIS:
- case X_GLvop_GetSharpenTexFuncSGIS:
- case X_GLvop_GetColorTableSGI:
- case X_GLvop_GetColorTableParameterfvSGI:
- case X_GLvop_GetColorTableParameterivSGI:
- case X_GLvop_GetTexFilterFuncSGIS:
- case X_GLvop_GetInstrumentsSGIX:
- case X_GLvop_InstrumentsBufferSGIX:
- case X_GLvop_PollInstrumentsSGIX:
- case X_GLvop_FlushRasterSGIX:
- case X_GLXvop_CreateGLXPbufferSGIX:
- case X_GLXvop_GetDrawableAttributesSGIX:
- case X_GLXvop_QueryHyperpipeNetworkSGIX:
- case X_GLXvop_QueryHyperpipeConfigSGIX:
- case X_GLXvop_HyperpipeConfigSGIX:
- case X_GLXvop_DestroyHyperpipeConfigSGIX:
-#endif
- case X_GLXvop_QueryMaxSwapBarriersSGIX:
- return( __glXQueryMaxSwapBarriersSGIX(cl, pc) );
- break;
-
- case X_GLXvop_GetFBConfigsSGIX:
- return( __glXGetFBConfigsSGIX(cl, pc) );
- break;
-
- case X_GLXvop_MakeCurrentReadSGI:
- return( __glXMakeCurrentReadSGI(cl, pc) );
- break;
-
- case X_GLXvop_QueryContextInfoEXT:
- return( __glXQueryContextInfoEXT(cl,pc) );
- break;
-
- default:
- /*
- ** unsupported private request
- */
- cl->client->errorValue = req->vendorCode;
- return __glXUnsupportedPrivateRequest;
- }
-
-}
-
-int __glXQueryExtensionsString(__GLXclientState *cl, GLbyte *pc)
-{
- ClientPtr client = cl->client;
- xGLXQueryExtensionsStringReq *req = (xGLXQueryExtensionsStringReq *) pc;
- xGLXQueryExtensionsStringReply reply;
- GLint screen;
- size_t length;
- int len, numbytes;
- char *be_buf;
-
-#ifdef FWD_QUERY_REQ
- xGLXQueryExtensionsStringReq *be_req;
- xGLXQueryExtensionsStringReply be_reply;
- DMXScreenInfo *dmxScreen;
- Display *dpy;
- int slop;
-#endif
-
- screen = req->screen;
-
- /*
- ** Check if screen exists.
- */
- if ((screen < 0) || (screen >= screenInfo.numScreens)) {
- client->errorValue = screen;
- return BadValue;
- }
-
-#ifdef FWD_QUERY_REQ
- dmxScreen = &dmxScreens[screen];
-
- /* Send the glXQueryServerString request */
- dpy = GetBackEndDisplay(cl,screen);
- LockDisplay(dpy);
- GetReq(GLXQueryExtensionsString,be_req);
- be_req->reqType = dmxScreen->glxMajorOpcode;
- be_req->glxCode = X_GLXQueryServerString;
- be_req->screen = DefaultScreen(dpy);
- _XReply(dpy, (xReply*) &be_reply, 0, False);
- len = (int)be_reply.length;
- numbytes = (int)be_reply.n;
- slop = numbytes * __GLX_SIZE_INT8 & 3;
- be_buf = (char *)malloc(numbytes);
- if (!be_buf) {
- /* Throw data on the floor */
- _XEatData(dpy, len);
- } else {
- _XRead(dpy, (char *)be_buf, numbytes);
- if (slop) _XEatData(dpy,4-slop);
- }
- UnlockDisplay(dpy);
- SyncHandle();
-
-#else
-
- be_buf = __glXGetServerString(GLX_EXTENSIONS);
- numbytes = strlen(be_buf) + 1;
- len = __GLX_PAD(numbytes) >> 2;
-
-#endif
-
- length = len;
- reply.type = X_Reply;
- reply.sequenceNumber = client->sequence;
- reply.length = len;
- reply.n = numbytes;
-
- if (client->swapped) {
- glxSwapQueryExtensionsStringReply(client, &reply, be_buf);
- } else {
- WriteToClient(client, sz_xGLXQueryExtensionsStringReply,(char *)&reply);
- WriteToClient(client, (int)(length << 2), (char *)be_buf);
- }
-
- return Success;
-}
-
-int __glXQueryServerString(__GLXclientState *cl, GLbyte *pc)
-{
- ClientPtr client = cl->client;
- xGLXQueryServerStringReq *req = (xGLXQueryServerStringReq *) pc;
- xGLXQueryServerStringReply reply;
- int name;
- GLint screen;
- size_t length;
- int len, numbytes;
- char *be_buf;
-#ifdef FWD_QUERY_REQ
- xGLXQueryServerStringReq *be_req;
- xGLXQueryServerStringReply be_reply;
- DMXScreenInfo *dmxScreen;
- Display *dpy;
- int slop;
-#endif
-
- name = req->name;
- screen = req->screen;
- /*
- ** Check if screen exists.
- */
- if ((screen < 0) || (screen >= screenInfo.numScreens)) {
- client->errorValue = screen;
- return BadValue;
- }
-
-#ifdef FWD_QUERY_REQ
- dmxScreen = &dmxScreens[screen];
-
- /* Send the glXQueryServerString request */
- dpy = GetBackEndDisplay(cl,screen);
- LockDisplay(dpy);
- GetReq(GLXQueryServerString,be_req);
- be_req->reqType = dmxScreen->glxMajorOpcode;
- be_req->glxCode = X_GLXQueryServerString;
- be_req->screen = DefaultScreen(dpy);
- be_req->name = name;
- _XReply(dpy, (xReply*) &be_reply, 0, False);
- len = (int)be_reply.length;
- numbytes = (int)be_reply.n;
- slop = numbytes * __GLX_SIZE_INT8 & 3;
- be_buf = (char *)malloc(numbytes);
- if (!be_buf) {
- /* Throw data on the floor */
- _XEatData(dpy, len);
- } else {
- _XRead(dpy, (char *)be_buf, numbytes);
- if (slop) _XEatData(dpy,4-slop);
- }
- UnlockDisplay(dpy);
- SyncHandle();
-
-#else
- be_buf = __glXGetServerString(name);
- numbytes = strlen(be_buf) + 1;
- len = __GLX_PAD(numbytes) >> 2;
-#endif
-
- length = len;
- reply.type = X_Reply;
- reply.sequenceNumber = client->sequence;
- reply.length = length;
- reply.n = numbytes;
-
- if (client->swapped) {
- glxSwapQueryServerStringReply(client, &reply, be_buf);
- } else {
- WriteToClient(client, sz_xGLXQueryServerStringReply, (char *)&reply);
- WriteToClient(client, (int)(length << 2), be_buf);
- }
-
- return Success;
-}
-
-int __glXClientInfo(__GLXclientState *cl, GLbyte *pc)
-{
- xGLXClientInfoReq *req = (xGLXClientInfoReq *) pc;
- xGLXClientInfoReq *be_req;
- const char *buf;
- int from_screen = 0;
- int to_screen = 0;
- int s;
-
- cl->GLClientmajorVersion = req->major;
- cl->GLClientminorVersion = req->minor;
- free(cl->GLClientextensions);
- buf = (const char *)(req+1);
- cl->GLClientextensions = strdup(buf);
-
- to_screen = screenInfo.numScreens - 1;
-
- for (s=from_screen; s<=to_screen; s++)
- {
- DMXScreenInfo *dmxScreen = &dmxScreens[s];
- Display *dpy = GetBackEndDisplay(cl,s);
-
- LockDisplay(dpy);
- GetReq(GLXClientInfo,be_req);
- be_req->reqType = dmxScreen->glxMajorOpcode;
- be_req->glxCode = X_GLXClientInfo;
- be_req->major = req->major;
- be_req->minor = req->minor;
- be_req->length = req->length;
- be_req->numbytes = req->numbytes;
- Data(dpy, buf, req->numbytes);
-
- UnlockDisplay(dpy);
- SyncHandle();
- }
-
- return Success;
-}
-
-int __glXUseXFont(__GLXclientState *cl, GLbyte *pc)
-{
- ClientPtr client = cl->client;
- xGLXUseXFontReq *req;
- xGLXUseXFontReq *be_req;
- FontPtr pFont;
- __GLXcontext *glxc = NULL;
- int from_screen = 0;
- int to_screen = 0;
- int s;
- dmxFontPrivPtr pFontPriv;
- DMXScreenInfo *dmxScreen;
- Display *dpy;
-
- req = (xGLXUseXFontReq *) pc;
-
- if (req->contextTag != 0) {
- glxc = __glXLookupContextByTag(cl, req->contextTag);
- if (glxc) {
- from_screen = to_screen = glxc->pScreen->myNum;
- }
- }
-
- /*
- ** Font can actually be either the ID of a font or the ID of a GC
- ** containing a font.
- */
- dixLookupResourceByType((pointer*) &pFont, req->font, RT_FONT,
- NullClient, DixUnknownAccess);
- if (!pFont) {
- GC *pGC;
- dixLookupResourceByType((pointer*) &pGC, req->font,
- RT_GC, NullClient,
- DixUnknownAccess);
- if (!pGC) {
- client->errorValue = req->font;
- return BadFont;
- }
- pFont = pGC->font;
- }
-
- pFontPriv = FontGetPrivate(pFont, dmxFontPrivateIndex);
-
-#ifdef PANORAMIX
- if (!noPanoramiXExtension) {
- from_screen = 0;
- to_screen = screenInfo.numScreens - 1;
- }
-#endif
-
-
- for (s=from_screen; s<=to_screen; s++) {
- dmxScreen = &dmxScreens[s];
- dpy = GetBackEndDisplay(cl,s);
-
- dmxSync( dmxScreen, 1 );
-
- LockDisplay(dpy);
- GetReq(GLXUseXFont,be_req);
- be_req->reqType = dmxScreen->glxMajorOpcode;
- be_req->glxCode = X_GLXUseXFont;
- be_req->contextTag = (glxc ? GetCurrentBackEndTag(cl,req->contextTag,s) : 0);
- be_req->font = pFontPriv->font[s]->fid;
- be_req->first = req->first;
- be_req->count = req->count;
- be_req->listBase = req->listBase;
- UnlockDisplay(dpy);
- SyncHandle();
-
- XSync( dpy, False );
- }
-
- return Success;
-}
-
-/*
- * start GLX 1.3 here
- */
-
-int __glXGetFBConfigs(__GLXclientState *cl, GLbyte *pc)
-{
- ClientPtr client = cl->client;
- xGLXGetFBConfigsReq *req = (xGLXGetFBConfigsReq *) pc;
- xGLXGetFBConfigsReply reply;
- __GLXFBConfig *pFBConfig;
- CARD32 buf[2 * __GLX_TOTAL_FBCONFIG_PROPS];
- int numAttribs = __GLX_TOTAL_FBCONFIG_PROPS;
- unsigned int screen = req->screen;
- int numFBConfigs, i, p;
- __GLXscreenInfo *pGlxScreen;
-
- if (screen >= screenInfo.numScreens) {
- /* The client library must send a valid screen number. */
- client->errorValue = screen;
- return BadValue;
- }
-
- pGlxScreen = &__glXActiveScreens[screen];
- numFBConfigs = __glXNumFBConfigs;
-
- reply.numFBConfigs = numFBConfigs;
- reply.numAttribs = numAttribs;
- reply.length = (numFBConfigs * 2 * numAttribs * __GLX_SIZE_CARD32) >> 2;
- reply.type = X_Reply;
- reply.sequenceNumber = client->sequence;
-
- if (client->swapped) {
- __GLX_DECLARE_SWAP_VARIABLES;
- __GLX_SWAP_SHORT(&reply.sequenceNumber);
- __GLX_SWAP_INT(&reply.length);
- __GLX_SWAP_INT(&reply.numFBConfigs);
- __GLX_SWAP_INT(&reply.numAttribs);
- }
- WriteToClient(client, sz_xGLXGetFBConfigsReply, (char *)&reply);
-
- for (i=0; i < numFBConfigs; i++) {
- int associatedVisualId = 0;
- int drawableTypeIndex;
- pFBConfig = __glXFBConfigs[ i * (screenInfo.numScreens+1) ];
-
- p = 0;
- /* core attributes */
- buf[p++] = GLX_FBCONFIG_ID;
- buf[p++] = pFBConfig->id;
- buf[p++] = GLX_BUFFER_SIZE;
- buf[p++] = pFBConfig->indexBits;
- buf[p++] = GLX_LEVEL;
- buf[p++] = pFBConfig->level;
- buf[p++] = GLX_DOUBLEBUFFER;
- buf[p++] = pFBConfig->doubleBufferMode;
- buf[p++] = GLX_STEREO;
- buf[p++] = pFBConfig->stereoMode;
- buf[p++] = GLX_AUX_BUFFERS;
- buf[p++] = pFBConfig->maxAuxBuffers;
- buf[p++] = GLX_RED_SIZE;
- buf[p++] = pFBConfig->redBits;
- buf[p++] = GLX_GREEN_SIZE;
- buf[p++] = pFBConfig->greenBits;
- buf[p++] = GLX_BLUE_SIZE;
- buf[p++] = pFBConfig->blueBits;
- buf[p++] = GLX_ALPHA_SIZE;
- buf[p++] = pFBConfig->alphaBits;
- buf[p++] = GLX_DEPTH_SIZE;
- buf[p++] = pFBConfig->depthBits;
- buf[p++] = GLX_STENCIL_SIZE;
- buf[p++] = pFBConfig->stencilBits;
- buf[p++] = GLX_ACCUM_RED_SIZE;
- buf[p++] = pFBConfig->accumRedBits;
- buf[p++] = GLX_ACCUM_GREEN_SIZE;
- buf[p++] = pFBConfig->accumGreenBits;
- buf[p++] = GLX_ACCUM_BLUE_SIZE;
- buf[p++] = pFBConfig->accumBlueBits;
- buf[p++] = GLX_ACCUM_ALPHA_SIZE;
- buf[p++] = pFBConfig->accumAlphaBits;
- buf[p++] = GLX_RENDER_TYPE;
- buf[p++] = pFBConfig->renderType;
- buf[p++] = GLX_DRAWABLE_TYPE;
- drawableTypeIndex = p;
- buf[p++] = pFBConfig->drawableType;
- buf[p++] = GLX_X_VISUAL_TYPE;
- buf[p++] = pFBConfig->visualType;
- buf[p++] = GLX_CONFIG_CAVEAT;
- buf[p++] = pFBConfig->visualCaveat;
- buf[p++] = GLX_TRANSPARENT_TYPE;
- buf[p++] = pFBConfig->transparentType;
- buf[p++] = GLX_TRANSPARENT_RED_VALUE;
- buf[p++] = pFBConfig->transparentRed;
- buf[p++] = GLX_TRANSPARENT_GREEN_VALUE;
- buf[p++] = pFBConfig->transparentGreen;
- buf[p++] = GLX_TRANSPARENT_BLUE_VALUE;
- buf[p++] = pFBConfig->transparentBlue;
- buf[p++] = GLX_TRANSPARENT_ALPHA_VALUE;
- buf[p++] = pFBConfig->transparentAlpha;
- buf[p++] = GLX_TRANSPARENT_INDEX_VALUE;
- buf[p++] = pFBConfig->transparentIndex;
- buf[p++] = GLX_MAX_PBUFFER_WIDTH;
- buf[p++] = pFBConfig->maxPbufferWidth;
- buf[p++] = GLX_MAX_PBUFFER_HEIGHT;
- buf[p++] = pFBConfig->maxPbufferHeight;
- buf[p++] = GLX_MAX_PBUFFER_PIXELS;
- buf[p++] = pFBConfig->maxPbufferPixels;
-
- /*
- * find the visual of the back-end server and match a visual
- * on the proxy.
- * do only once - if a visual is not yet associated.
- */
- if (pFBConfig->associatedVisualId == (unsigned int)-1) {
- DMXScreenInfo *dmxScreen = &dmxScreens[screen];
- __GLXFBConfig *be_pFBConfig = __glXFBConfigs[ i * (screenInfo.numScreens+1)+screen+1 ];
- __GLXvisualConfig *pGlxVisual = NULL;
- int v;
- int found = 0;
- for (v=0; v<dmxScreen->numGlxVisuals; v++) {
- if (dmxScreen->glxVisuals[v].vid == be_pFBConfig->associatedVisualId) {
- pGlxVisual = &dmxScreen->glxVisuals[v];
- break;
- }
- }
-
- if (pGlxVisual) {
- for (v=0; v<pGlxScreen->numVisuals; v++) {
- if (glxVisualsMatch(&pGlxScreen->pGlxVisual[v], pGlxVisual)) {
- associatedVisualId = pGlxScreen->pGlxVisual[v].vid;
- found = 1;
- break;
- }
- }
- }
-
- if (!found) {
- associatedVisualId = 0;
- pFBConfig->drawableType &= ~(GLX_WINDOW_BIT);
- buf[drawableTypeIndex] = pFBConfig->drawableType;
- }
-#ifdef PANORAMIX
- else if (!noPanoramiXExtension) {
- /* convert the associated visualId to the panoramix one */
- pFBConfig->associatedVisualId =
- PanoramiXTranslateVisualID(screen, v);
- }
-#endif
- }
- else {
- associatedVisualId = pFBConfig->associatedVisualId;
- }
-
- buf[p++] = GLX_VISUAL_ID;
- buf[p++] = associatedVisualId;
-
- /* SGIS_multisample attributes */
- buf[p++] = GLX_SAMPLES_SGIS;
- buf[p++] = pFBConfig->multiSampleSize;
- buf[p++] = GLX_SAMPLE_BUFFERS_SGIS;
- buf[p++] = pFBConfig->nMultiSampleBuffers;
-
- /* SGIX_pbuffer specific attributes */
- buf[p++] = GLX_OPTIMAL_PBUFFER_WIDTH_SGIX;
- buf[p++] = pFBConfig->optimalPbufferWidth;
- buf[p++] = GLX_OPTIMAL_PBUFFER_HEIGHT_SGIX;
- buf[p++] = pFBConfig->optimalPbufferHeight;
-
- buf[p++] = GLX_VISUAL_SELECT_GROUP_SGIX;
- buf[p++] = pFBConfig->visualSelectGroup;
-
- if (client->swapped) {
- __GLX_DECLARE_SWAP_VARIABLES;
- __GLX_DECLARE_SWAP_ARRAY_VARIABLES;
- __GLX_SWAP_INT_ARRAY((int *)buf, 2*numAttribs);
- }
- WriteToClient(client, 2*numAttribs * __GLX_SIZE_CARD32, (char *)buf);
- }
- return Success;
-}
-
-int __glXGetFBConfigsSGIX(__GLXclientState *cl, GLbyte *pc)
-{
- xGLXGetFBConfigsSGIXReq *req = (xGLXGetFBConfigsSGIXReq *)pc;
- xGLXGetFBConfigsReq new_req;
-
- new_req.reqType = req->reqType;
- new_req.glxCode = req->glxCode;
- new_req.length = req->length;
- new_req.screen = req->screen;
-
- return( __glXGetFBConfigs( cl, (GLbyte *)&new_req ) );
-}
-
-
-int __glXCreateWindow(__GLXclientState *cl, GLbyte *pc)
-{
- ClientPtr client = cl->client;
- xGLXCreateWindowReq *req = (xGLXCreateWindowReq *) pc;
- int screen = req->screen;
- GLXFBConfigID fbconfigId = req->fbconfig;
- XID windowId = req->window;
- XID glxwindowId = req->glxwindow;
- DrawablePtr pDraw;
- ScreenPtr pScreen;
- __glXWindow *pGlxWindow;
- __GLXFBConfig *pGlxFBConfig = NULL;
- VisualPtr pVisual;
- VisualID visId;
- int i, rc;
- pointer val;
-
- /*
- ** Check if windowId is valid
- */
- rc = dixLookupDrawable(&pDraw, windowId, client, M_DRAWABLE_WINDOW,
- DixAddAccess);
- if (rc != Success)
- return rc;
-
- /*
- ** Check if screen of window matches screen of fbconfig.
- */
- pScreen = pDraw->pScreen;
- if (screen != pScreen->myNum) {
- return BadMatch;
- }
-
- /*
- ** Find the FBConfigRec for this fbconfigid.
- */
- if (!(pGlxFBConfig = glxLookupFBConfig(fbconfigId))) {
- client->errorValue = fbconfigId;
- return __glXBadFBConfig;
- }
- visId = pGlxFBConfig->associatedVisualId;
-
- /*
- ** Check if the fbconfig supports rendering to windows
- */
- if( !(pGlxFBConfig->drawableType & GLX_WINDOW_BIT) ) {
- return BadMatch;
- }
-
- if (visId != None) {
- /*
- ** Check if the visual ID is valid for this screen.
- */
- pVisual = pScreen->visuals;
- for (i = 0; i < pScreen->numVisuals; i++, pVisual++) {
- if (pVisual->vid == visId) {
- break;
- }
- }
- if (i == pScreen->numVisuals) {
- client->errorValue = visId;
- return BadValue;
- }
-
- /*
- ** Check if color buffer depth of fbconfig matches depth
- ** of window.
- */
- if (pVisual->nplanes != pDraw->depth) {
- return BadMatch;
- }
- } else
- /*
- ** The window was created with no visual that corresponds
- ** to fbconfig
- */
- return BadMatch;
-
- /*
- ** Check if there is already a fbconfig associated with this window
- */
- if (Success == dixLookupResourceByType(&val,
- glxwindowId, __glXWindowRes,
- NullClient, DixUnknownAccess)) {
- client->errorValue = glxwindowId;
- return BadAlloc;
- }
-
- pGlxWindow = (__glXWindow *) malloc(sizeof(__glXWindow));
- if (!pGlxWindow) {
- return BadAlloc;
- }
-
- /*
- ** Register this GLX window as a resource
- */
- if (!(AddResource(glxwindowId, __glXWindowRes, pGlxWindow))) {
- return BadAlloc;
- }
-
- pGlxWindow->pDraw = pDraw;
- pGlxWindow->type = GLX_GLXWINDOW_TYPE;
- pGlxWindow->idExists = True;
- pGlxWindow->refcnt = 0;
- pGlxWindow->pGlxFBConfig = pGlxFBConfig;
- pGlxWindow->pScreen = pScreen;
-
- return Success;
-}
-
-int __glXDestroyWindow(__GLXclientState *cl, GLbyte *pc)
-{
- ClientPtr client = cl->client;
- xGLXDestroyWindowReq *req = (xGLXDestroyWindowReq *) pc;
- XID glxwindow = req->glxwindow;
- pointer val;
-
- /*
- ** Check if it's a valid GLX window.
- */
- if (Success != dixLookupResourceByType(&val,
- glxwindow, __glXWindowRes,
- NullClient, DixUnknownAccess)) {
- client->errorValue = glxwindow;
- return __glXBadDrawable;
- }
- /*
- ** The glx window destructor will check whether it's current before
- ** freeing anything.
- */
- FreeResource(glxwindow, RT_NONE);
-
- return Success;
-}
-
-int __glXQueryContext(__GLXclientState *cl, GLbyte *pc)
-{
- ClientPtr client = cl->client;
- __GLXcontext *ctx;
- xGLXQueryContextReq *req;
- xGLXQueryContextReply reply;
- int nProps;
- int *sendBuf, *pSendBuf;
- int nReplyBytes;
-
- req = (xGLXQueryContextReq *)pc;
- dixLookupResourceByType((pointer*) &ctx, req->context, __glXContextRes,
- NullClient, DixUnknownAccess);
- if (!ctx) {
- client->errorValue = req->context;
- return __glXBadContext;
- }
-
- nProps = 3;
-
- reply.length = nProps << 1;
- reply.type = X_Reply;
- reply.sequenceNumber = client->sequence;
- reply.n = nProps;
-
- nReplyBytes = reply.length << 2;
- sendBuf = (int *)malloc(nReplyBytes);
- pSendBuf = sendBuf;
- *pSendBuf++ = GLX_FBCONFIG_ID;
- *pSendBuf++ = (int)(ctx->pFBConfig->id);
- *pSendBuf++ = GLX_RENDER_TYPE;
- *pSendBuf++ = (int)(ctx->pFBConfig->renderType);
- *pSendBuf++ = GLX_SCREEN;
- *pSendBuf++ = (int)(ctx->pScreen->myNum);
-
- if (client->swapped) {
- __glXSwapQueryContextReply(client, &reply, sendBuf);
- } else {
- WriteToClient(client, sz_xGLXQueryContextReply, (char *)&reply);
- WriteToClient(client, nReplyBytes, (char *)sendBuf);
- }
- free((char *)sendBuf);
-
- return Success;
-}
-
-int __glXQueryContextInfoEXT(__GLXclientState *cl, GLbyte *pc)
-{
- ClientPtr client = cl->client;
- __GLXcontext *ctx;
- xGLXQueryContextInfoEXTReq *req;
- xGLXQueryContextInfoEXTReply reply;
- int nProps;
- int *sendBuf, *pSendBuf;
- int nReplyBytes;
-
- req = (xGLXQueryContextInfoEXTReq *)pc;
- dixLookupResourceByType((pointer*) &ctx,
- req->context, __glXContextRes,
- client, DixReadAccess);
-
- if (!ctx) {
- client->errorValue = req->context;
- return __glXBadContext;
- }
-
- nProps = 4;
-
- reply.length = nProps << 1;
- reply.type = X_Reply;
- reply.sequenceNumber = client->sequence;
- reply.n = nProps;
-
- nReplyBytes = reply.length << 2;
- sendBuf = (int *)malloc(nReplyBytes);
- pSendBuf = sendBuf;
- *pSendBuf++ = GLX_SHARE_CONTEXT_EXT;
- *pSendBuf++ = (int)(ctx->share_id);
- *pSendBuf++ = GLX_VISUAL_ID_EXT;
- *pSendBuf++ = (int)(ctx->pVisual ? ctx->pVisual->vid : 0);
- *pSendBuf++ = GLX_SCREEN_EXT;
- *pSendBuf++ = (int)(ctx->pScreen->myNum);
- *pSendBuf++ = GLX_FBCONFIG_ID;
- *pSendBuf++ = (int)(ctx->pFBConfig ? ctx->pFBConfig->id : 0);
-
- if (client->swapped) {
- __glXSwapQueryContextInfoEXTReply(client, &reply, sendBuf);
- } else {
- WriteToClient(client, sz_xGLXQueryContextInfoEXTReply, (char *)&reply);
- WriteToClient(client, nReplyBytes, (char *)sendBuf);
- }
- free((char *)sendBuf);
-
- return Success;
-}
-
-int __glXCreatePbuffer(__GLXclientState *cl, GLbyte *pc)
-{
- ClientPtr client = cl->client;
- xGLXCreatePbufferReq *req = (xGLXCreatePbufferReq *)pc;
- xGLXCreatePbufferReq *be_req;
- int screen = req->screen;
- GLXFBConfigID fbconfigId = req->fbconfig;
- GLXPbuffer pbuffer = req->pbuffer;
- __glXPbuffer *pGlxPbuffer;
- int numAttribs = req->numAttribs;
- int *attr;
- ScreenPtr pScreen;
- __GLXFBConfig *pGlxFBConfig;
- __GLXFBConfig *be_pGlxFBConfig;
- XID be_xid;
- Display *dpy;
- DMXScreenInfo *dmxScreen;
- int s;
- int from_screen, to_screen;
-
- /*
- ** Look up screen and FBConfig.
- */
- if (screen >= screenInfo.numScreens) {
- /* The client library must send a valid screen number. */
- client->errorValue = screen;
- return BadValue;
- }
- pScreen = screenInfo.screens[screen];
-
- /*
- ** Find the FBConfigRec for this fbconfigid.
- */
- if (!(pGlxFBConfig = glxLookupFBConfig(fbconfigId))) {
- client->errorValue = fbconfigId;
- return __glXBadFBConfig;
- }
-
- /*
- ** Create the GLX part of the Pbuffer.
- */
- pGlxPbuffer = (__glXPbuffer *) malloc(sizeof(__glXPbuffer));
- if (!pGlxPbuffer) {
- return BadAlloc;
- }
-
- pGlxPbuffer->be_xids = (XID *) malloc( sizeof(XID) * screenInfo.numScreens );
- if (!pGlxPbuffer->be_xids) {
- free(pGlxPbuffer);
- return BadAlloc;
- }
-
- /*
- * Allocate an XID on the back-end server(s) and send him the request
- */
- from_screen = to_screen = screen;
-#ifdef PANORAMIX
- if (!noPanoramiXExtension) {
- from_screen = 0;
- to_screen = screenInfo.numScreens - 1;
- }
-#endif
-
- for (s=from_screen; s<=to_screen; s++) {
- dpy = GetBackEndDisplay(cl,s);
- be_xid = XAllocID(dpy);
- dmxScreen = &dmxScreens[s];
- be_pGlxFBConfig = glxLookupBackEndFBConfig( pGlxFBConfig->id, s );
-
- attr = (int *)( req+1 );
-
- LockDisplay(dpy);
- GetReqExtra(GLXCreatePbuffer, 2 * numAttribs * __GLX_SIZE_CARD32, be_req);
- be_req->reqType = dmxScreen->glxMajorOpcode;
- be_req->glxCode = X_GLXCreatePbuffer;
- be_req->screen = be_pGlxFBConfig->screen;
- be_req->fbconfig = be_pGlxFBConfig->id;
- be_req->pbuffer = be_xid;
- be_req->numAttribs = numAttribs;
-
- /* Send attributes */
- if ( attr != NULL ) {
- CARD32 *pc = (CARD32 *)(be_req + 1);
-
- while (numAttribs-- > 0) {
- *pc++ = *attr++; /* token */
- *pc++ = *attr++; /* value */
- }
- }
-
- UnlockDisplay(dpy);
- SyncHandle();
-
- pGlxPbuffer->be_xids[s] = be_xid;
- }
-
-
- pGlxPbuffer->idExists = True;
- pGlxPbuffer->refcnt = 0;
- pGlxPbuffer->pFBConfig = pGlxFBConfig;
- pGlxPbuffer->pScreen = pScreen;
-
- /*
- ** Register the resource.
- */
- if (!(AddResource(pbuffer, __glXPbufferRes, pGlxPbuffer))) {
- return BadAlloc;
- }
-
- return Success;
-
-}
-
-int __glXDestroyPbuffer(__GLXclientState *cl, GLbyte *pc)
-{
- ClientPtr client = cl->client;
- xGLXDestroyPbufferReq *req = (xGLXDestroyPbufferReq *) pc;
- xGLXDestroyPbufferReq *be_req;
- GLXPbuffer pbuffer = req->pbuffer;
- Display *dpy;
- int screen;
- DMXScreenInfo *dmxScreen;
- __glXPbuffer *pGlxPbuffer;
- int s;
- int from_screen, to_screen;
-
- /*
- ** Check if it's a valid Pbuffer
- */
- dixLookupResourceByType((pointer*) &pGlxPbuffer, pbuffer,
- __glXPbufferRes, NullClient, DixUnknownAccess);
- if (!pGlxPbuffer) {
- client->errorValue = pbuffer;
- return __glXBadPbuffer;
- }
-
- screen = pGlxPbuffer->pScreen->myNum;
-
- from_screen = to_screen = screen;
-#ifdef PANORAMIX
- if (!noPanoramiXExtension) {
- from_screen = 0;
- to_screen = screenInfo.numScreens - 1;
- }
-#endif
-
- for (s=from_screen; s<=to_screen; s++) {
- dpy = GetBackEndDisplay(cl,s);
- dmxScreen = &dmxScreens[s];
-
- /* send the destroy request to the back-end server */
- LockDisplay(dpy);
- GetReq(GLXDestroyPbuffer, be_req);
- be_req->reqType = dmxScreen->glxMajorOpcode;
- be_req->glxCode = X_GLXDestroyPbuffer;
- be_req->pbuffer = pGlxPbuffer->be_xids[s];
- UnlockDisplay(dpy);
- SyncHandle();
- }
-
- FreeResource(pbuffer, RT_NONE);
-
- return Success;
-}
-
-int __glXGetDrawableAttributes(__GLXclientState *cl, GLbyte *pc)
-{
- xGLXGetDrawableAttributesReq *req = (xGLXGetDrawableAttributesReq *)pc;
- xGLXGetDrawableAttributesReq *be_req;
- xGLXGetDrawableAttributesReply reply;
- ClientPtr client = cl->client;
- GLXDrawable drawId = req->drawable;
- GLXDrawable be_drawable = 0;
- DrawablePtr pDraw = NULL;
- Display *dpy;
- int screen, rc;
- DMXScreenInfo *dmxScreen;
- CARD32 *attribs = NULL;
- int attribs_size;
-#ifdef PANORAMIX
- PanoramiXRes *pXinDraw = NULL;
-#endif
-
- if (drawId != None) {
- rc = dixLookupDrawable(&pDraw, drawId, client, 0, DixGetAttrAccess);
- if (rc == Success) {
- if (pDraw->type == DRAWABLE_WINDOW) {
- WindowPtr pWin = (WindowPtr)pDraw;
- be_drawable = 0;
- screen = pWin->drawable.pScreen->myNum;
-
- }
- else {
- /*
- ** Drawable is not a Window , GLXWindow or a GLXPixmap.
- */
- client->errorValue = drawId;
- return __glXBadDrawable;
- }
- }
-
- if (!pDraw) {
- __GLXpixmap *pGlxPixmap;
- dixLookupResourceByType((pointer*) &pGlxPixmap,
- drawId, __glXPixmapRes,
- NullClient, DixUnknownAccess);
- if (pGlxPixmap) {
- pDraw = pGlxPixmap->pDraw;
- screen = pGlxPixmap->pScreen->myNum;
- be_drawable = pGlxPixmap->be_xids[screen];
- }
- }
-
- if (!pDraw) {
- __glXWindow *pGlxWindow;
- dixLookupResourceByType((pointer*) &pGlxWindow,
- drawId, __glXWindowRes,
- NullClient, DixUnknownAccess);
- if (pGlxWindow) {
- pDraw = pGlxWindow->pDraw;
- screen = pGlxWindow->pScreen->myNum;
- be_drawable = 0;
- }
- }
-
- if (!pDraw) {
- __glXPbuffer *pGlxPbuffer;
- dixLookupResourceByType((pointer*) &pGlxPbuffer,
- drawId, __glXPbufferRes,
- NullClient, DixUnknownAccess);
- if (pGlxPbuffer) {
- pDraw = (DrawablePtr)pGlxPbuffer;
- screen = pGlxPbuffer->pScreen->myNum;
- be_drawable = pGlxPbuffer->be_xids[screen];
- }
- }
-
-
- if (!pDraw) {
- /*
- ** Drawable is not a Window , GLXWindow or a GLXPixmap.
- */
- client->errorValue = drawId;
- return __glXBadDrawable;
- }
- }
-
-
- /* if the drawable is a window or GLXWindow -
- * we need to find the base id on the back-end server
- */
- if (!be_drawable) {
- WindowPtr pWin = (WindowPtr)pDraw;
-
-#ifdef PANORAMIX
- if (!noPanoramiXExtension) {
- if (Success != dixLookupResourceByClass((pointer*) &pXinDraw,
- pDraw->id, XRC_DRAWABLE,
- client, DixReadAccess)) {
- client->errorValue = drawId;
- return __glXBadDrawable;
- }
-
- dixLookupWindow(&pWin, pXinDraw->info[screen].id, client,
- DixReadAccess);
- }
-#endif
-
- if (pWin) {
- be_drawable = (unsigned int)(DMX_GET_WINDOW_PRIV(pWin))->window;
- if (!be_drawable) {
- /* it might be that the window did not created yet on the */
- /* back-end server (lazy window creation option), force */
- /* creation of the window */
- dmxCreateAndRealizeWindow( pWin, TRUE );
- be_drawable = (unsigned int)(DMX_GET_WINDOW_PRIV(pWin))->window;
- }
- }
- else {
- client->errorValue = drawId;
- return __glXBadDrawable;
- }
- }
-
-
- /* send the request to the back-end server */
- dpy = GetBackEndDisplay(cl,screen);
- dmxScreen = &dmxScreens[screen];
-
- /* make sure drawable exists on back-end */
- dmxSync( dmxScreen, 1 );
-
- LockDisplay(dpy);
- GetReq(GLXGetDrawableAttributes, be_req);
- be_req->reqType = dmxScreen->glxMajorOpcode;
- be_req->glxCode = X_GLXGetDrawableAttributes;
- be_req->drawable = be_drawable;
- be_req->length = req->length;
- if (!_XReply(dpy, (xReply *) &reply, 0, False)) {
- UnlockDisplay(dpy);
- SyncHandle();
- return( BE_TO_CLIENT_ERROR(dmxLastErrorEvent.error_code) );
- }
-
- if (reply.numAttribs) {
- attribs_size = 2 * reply.numAttribs * __GLX_SIZE_CARD32;
- attribs = (CARD32 *) malloc(attribs_size);
- if (attribs == NULL) {
- UnlockDisplay(dpy);
- SyncHandle();
- return BadAlloc;
- }
-
- _XRead(dpy, (char *) attribs, attribs_size);
- }
-
- UnlockDisplay(dpy);
- SyncHandle();
-
-
- /* send the reply back to the client */
- reply.sequenceNumber = client->sequence;
- if (client->swapped) {
- __glXSwapGetDrawableAttributesReply(client, &reply, (int *)attribs);
- }
- else {
- WriteToClient(client, sz_xGLXGetDrawableAttributesReply, (char *)&reply);
- WriteToClient(client, attribs_size, (char *)attribs);
- }
-
- free(attribs);
-
- return Success;
-}
-
-int __glXChangeDrawableAttributes(__GLXclientState *cl, GLbyte *pc)
-{
- xGLXChangeDrawableAttributesReq *req = (xGLXChangeDrawableAttributesReq *)pc;
- xGLXChangeDrawableAttributesReq *be_req;
- ClientPtr client = cl->client;
- GLXDrawable drawId = req->drawable;
- GLXDrawable be_drawable = 0;
- DrawablePtr pDraw = NULL;
- Display *dpy;
- int screen, rc;
- DMXScreenInfo *dmxScreen;
-
- if (drawId != None) {
- rc = dixLookupDrawable(&pDraw, drawId, client, 0, DixSetAttrAccess);
- if (rc == Success) {
- if (pDraw->type == DRAWABLE_WINDOW) {
- WindowPtr pWin = (WindowPtr)pDraw;
- be_drawable = 0;
- screen = pWin->drawable.pScreen->myNum;
-
- }
- else {
- /*
- ** Drawable is not a Window , GLXWindow or a GLXPixmap.
- */
- client->errorValue = drawId;
- return __glXBadDrawable;
- }
- }
-
- if (!pDraw) {
- __GLXpixmap *pGlxPixmap;
- dixLookupResourceByType((pointer*) &pGlxPixmap,
- drawId, __glXPixmapRes,
- NullClient, DixUnknownAccess);
- if (pGlxPixmap) {
- pDraw = pGlxPixmap->pDraw;
- screen = pGlxPixmap->pScreen->myNum;
- be_drawable = pGlxPixmap->be_xids[screen];
- }
- }
-
- if (!pDraw) {
- __glXWindow *pGlxWindow;
- dixLookupResourceByType((pointer*) &pGlxWindow,
- drawId, __glXWindowRes,
- NullClient, DixUnknownAccess);
- if (pGlxWindow) {
- pDraw = pGlxWindow->pDraw;
- screen = pGlxWindow->pScreen->myNum;
- be_drawable = 0;
- }
- }
-
- if (!pDraw) {
- __glXPbuffer *pGlxPbuffer;
- dixLookupResourceByType((pointer*) &pGlxPbuffer,
- drawId, __glXPbufferRes,
- NullClient, DixUnknownAccess);
- if (pGlxPbuffer) {
- pDraw = (DrawablePtr)pGlxPbuffer;
- screen = pGlxPbuffer->pScreen->myNum;
- be_drawable = pGlxPbuffer->be_xids[screen];
- }
- }
-
-
- if (!pDraw) {
- /*
- ** Drawable is not a Window , GLXWindow or a GLXPixmap.
- */
- client->errorValue = drawId;
- return __glXBadDrawable;
- }
- }
-
-
- /* if the drawable is a window or GLXWindow -
- * we need to find the base id on the back-end server
- */
- if (!be_drawable) {
- WindowPtr pWin = (WindowPtr)pDraw;
-
-#ifdef PANORAMIX
- if (!noPanoramiXExtension) {
- PanoramiXRes *pXinDraw;
- if (Success != dixLookupResourceByClass((pointer*) &pXinDraw,
- pDraw->id, XRC_DRAWABLE,
- client, DixReadAccess)) {
- client->errorValue = drawId;
- return __glXBadDrawable;
- }
-
- dixLookupWindow(&pWin, pXinDraw->info[screen].id, client,
- DixReadAccess);
- }
-#endif
-
- if (pWin) {
- be_drawable = (unsigned int)(DMX_GET_WINDOW_PRIV(pWin))->window;
- if (!be_drawable) {
- /* it might be that the window did not created yet on the */
- /* back-end server (lazy window creation option), force */
- /* creation of the window */
- dmxCreateAndRealizeWindow( pWin, TRUE );
- be_drawable = (unsigned int)(DMX_GET_WINDOW_PRIV(pWin))->window;
- }
- }
- else {
- client->errorValue = drawId;
- return __glXBadDrawable;
- }
- }
-
-
- /* send the request to the back-end server */
- dpy = GetBackEndDisplay(cl,screen);
- dmxScreen = &dmxScreens[screen];
-
- /* make sure drawable exists on back-end */
- dmxSync( dmxScreen, 1 );
-
- LockDisplay(dpy);
- GetReqExtra(GLXChangeDrawableAttributes,
- 2 * req->numAttribs * __GLX_SIZE_CARD32, be_req);
- be_req->reqType = dmxScreen->glxMajorOpcode;
- be_req->glxCode = X_GLXChangeDrawableAttributes;
- be_req->drawable = be_drawable;
- be_req->numAttribs = req->numAttribs;
- be_req->length = req->length;
-
- UnlockDisplay(dpy);
- SyncHandle();
-
- return Success;
-}
-
-int __glXSendLargeCommand(__GLXclientState *cl, GLXContextTag contextTag)
-{
- ClientPtr client = cl->client;
- xGLXRenderLargeReq *req;
- GLint maxSize, amount;
- GLint totalRequests, requestNumber;
- GLint dataLen;
- GLbyte *data;
- __GLXcontext *glxc;
- int s;
- int from_screen, to_screen;
-
- maxSize = cl->largeCmdMaxReqDataSize - (GLint)sizeof(xGLXRenderLargeReq);
- dataLen = cl->largeCmdBytesTotal;
- totalRequests = (dataLen / maxSize);
- if (dataLen % maxSize) totalRequests++;
-
- glxc = __glXLookupContextByTag(cl, contextTag);
- if (!glxc) {
- client->errorValue = contextTag;
- return __glXBadContext;
- }
- from_screen = to_screen = glxc->pScreen->myNum;
-
-#ifdef PANORAMIX
- if (!noPanoramiXExtension) {
- from_screen = 0;
- to_screen = screenInfo.numScreens - 1;
- }
-#endif
-
- /*
- ** Send enough requests until the whole array is sent.
- */
- requestNumber = 1;
- data = cl->largeCmdBuf;
- while (dataLen > 0) {
- amount = dataLen;
- if (amount > maxSize) {
- amount = maxSize;
- }
-
- for (s=from_screen; s<=to_screen; s++) {
-
- Display *dpy = GetBackEndDisplay(cl,s);
- DMXScreenInfo *dmxScreen = &dmxScreens[s];
-
- LockDisplay(dpy);
- GetReq(GLXRenderLarge,req);
- req->reqType = dmxScreen->glxMajorOpcode;
- req->glxCode = X_GLXRenderLarge;
- req->contextTag = GetCurrentBackEndTag(cl,contextTag,s);
- req->length += (amount + 3) >> 2;
- req->requestNumber = requestNumber++;
- req->requestTotal = totalRequests;
- req->dataBytes = amount;
- Data(dpy, ((const char*)data), amount);
- dataLen -= amount;
- data = ((GLbyte *) data) + amount;
- UnlockDisplay(dpy);
- SyncHandle();
- }
- }
-
- return Success;
-}
+/* + * 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 "dmx.h" +#include "dmxwindow.h" +#include "dmxpixmap.h" +#include "dmxfont.h" +#include "dmxsync.h" + +#include "glxserver.h" +#include <GL/glxtokens.h> +#include "g_disptab.h" +#include <pixmapstr.h> +#include <windowstr.h> +#include "glxutil.h" +#include "glxext.h" +#include "unpack.h" + +#include "GL/glxproto.h" +#include "glxvendor.h" +#include "glxvisuals.h" +#include "glxswap.h" + +#ifdef PANORAMIX +#include "panoramiXsrv.h" +#endif + +extern __GLXFBConfig **__glXFBConfigs; +extern int __glXNumFBConfigs; + +extern __GLXFBConfig *glxLookupFBConfig( GLXFBConfigID id ); +extern __GLXFBConfig *glxLookupFBConfigByVID( VisualID vid ); +extern __GLXFBConfig *glxLookupBackEndFBConfig( GLXFBConfigID id, int screen ); +extern int glxIsExtensionSupported( char *ext ); +extern int __glXGetFBConfigsSGIX(__GLXclientState *cl, GLbyte *pc); + +#define BE_TO_CLIENT_ERROR(x) \ + ( (x) >= __glXerrorBase ? \ + (x) - dmxScreen->glxErrorBase + __glXerrorBase \ + : (x) ) + +Display *GetBackEndDisplay( __GLXclientState *cl, int s ) +{ + if (! cl->be_displays[s] ) { + cl->be_displays[s] = XOpenDisplay( DisplayString(dmxScreens[s].beDisplay) ); + } + return cl->be_displays[s]; +} + +/* +** Create a GL context with the given properties. +*/ +static int CreateContext(__GLXclientState *cl, + GLXContextID gcId, + VisualID vid, GLXFBConfigID fbconfigId, + int screen, + GLXContextID shareList, + int isDirect ) +{ + ClientPtr client = cl->client; + xGLXCreateContextReq *be_req; + xGLXCreateNewContextReq *be_new_req; + VisualPtr pVisual; + ScreenPtr pScreen; + __GLXcontext *glxc, *shareglxc; + __GLXvisualConfig *pGlxVisual; + __GLXscreenInfo *pGlxScreen; + VisualID visual = vid; + GLint i; + int from_screen = screen; + int to_screen = screen; + DMXScreenInfo *dmxScreen; + VisualID be_vid = 0; + GLXFBConfigID be_fbconfigId = 0; + int num_be_screens; + Display *dpy; + + /* + ** Check if screen exists. + */ + if (screen >= screenInfo.numScreens) { + client->errorValue = screen; + return BadValue; + } + + +#ifdef PANORAMIX + if (!noPanoramiXExtension) { + from_screen = 0; + to_screen = screenInfo.numScreens - 1; + } +#endif + + /* + ** Find the display list space that we want to share. + ** + */ + if (shareList == None) { + shareglxc = NULL; + } else { + dixLookupResourceByType((pointer*) &shareglxc, shareList, + __glXContextRes, NullClient, DixUnknownAccess); + if (!shareglxc) { + client->errorValue = shareList; + return __glXBadContext; + } + } + + /* + ** Allocate memory for the new context + */ + glxc = calloc(1, sizeof(__GLXcontext)); + if (!glxc) { + return BadAlloc; + } + + pScreen = screenInfo.screens[screen]; + pGlxScreen = &__glXActiveScreens[screen]; + + if (fbconfigId != None) { + glxc->pFBConfig = glxLookupFBConfig( fbconfigId ); + if (!glxc->pFBConfig) { + client->errorValue = fbconfigId; + free( glxc ); + return BadValue; + } + visual = glxc->pFBConfig->associatedVisualId; + } + else { + glxc->pFBConfig = NULL; + } + + if (visual != None) { + /* + ** Check if the visual ID is valid for this screen. + */ + pVisual = pScreen->visuals; + for (i = 0; i < pScreen->numVisuals; i++, pVisual++) { + if (pVisual->vid == visual) { + break; + } + } + if (i == pScreen->numVisuals) { + client->errorValue = visual; + free( glxc ); + return BadValue; + } + + pGlxVisual = pGlxScreen->pGlxVisual; + for (i = 0; i < pGlxScreen->numVisuals; i++, pGlxVisual++) { + if (pGlxVisual->vid == visual) { + break; + } + } + if (i == pGlxScreen->numVisuals) { + /* + ** Visual not support on this screen by this OpenGL implementation. + */ + client->errorValue = visual; + free( glxc ); + return BadValue; + } + + if ( glxc->pFBConfig == NULL ) { + glxc->pFBConfig = glxLookupFBConfigByVID( visual ); + + if ( glxc->pFBConfig == NULL ) { + /* + * visual does not have an FBConfig ??? + client->errorValue = visual; + free( glxc ); + return BadValue; + */ + } + } + } + else { + pVisual = NULL; + pGlxVisual = NULL; + } + + glxc->pScreen = pScreen; + glxc->pGlxScreen = pGlxScreen; + glxc->pVisual = pVisual; + glxc->pGlxVisual = pGlxVisual; + + /* + * allocate memory for back-end servers info + */ + num_be_screens = to_screen - from_screen + 1; + glxc->real_ids = (XID *)malloc(sizeof(XID) * num_be_screens); + if (!glxc->real_ids) { + return BadAlloc; + } + glxc->real_vids = (XID *)malloc(sizeof(XID) * num_be_screens); + if (!glxc->real_vids) { + return BadAlloc; + } + + for (screen = from_screen; screen <= to_screen; screen++) { + int sent = 0; + pScreen = screenInfo.screens[screen]; + pGlxScreen = &__glXActiveScreens[screen]; + dmxScreen = &dmxScreens[screen]; + + if (glxc->pFBConfig) { + __GLXFBConfig *beFBConfig = glxLookupBackEndFBConfig( glxc->pFBConfig->id, + screen ); + be_fbconfigId = beFBConfig->id; + } + + if (pGlxVisual) { + + be_vid = glxMatchGLXVisualInConfigList( pGlxVisual, + dmxScreen->glxVisuals, + dmxScreen->numGlxVisuals ); + + if (!be_vid) { + /* visual is not supported on the back-end server */ + free( glxc->real_ids ); + free( glxc->real_vids ); + free( glxc ); + return BadValue; + } + } + + glxc->real_ids[screen-from_screen] = XAllocID(GetBackEndDisplay(cl,screen)); + + /* send the create context request to the back-end server */ + dpy = GetBackEndDisplay(cl,screen); + if (glxc->pFBConfig) { + /*Since for a certain visual both RGB and COLOR INDEX + *can be on then the only parmeter to choose the renderType + * should be the class of the colormap since all 4 first + * classes does not support RGB mode only COLOR INDEX , + * and so TrueColor and DirectColor does not support COLOR INDEX*/ + int renderType = glxc->pFBConfig->renderType; + if ( pVisual ) { + switch ( pVisual->class ){ + case PseudoColor: + case StaticColor: + case GrayScale: + case StaticGray: + renderType = GLX_COLOR_INDEX_TYPE; + break; + case TrueColor: + case DirectColor: + default: + renderType = GLX_RGBA_TYPE; + break; + } + } + if ( __GLX_IS_VERSION_SUPPORTED(1,3) ) { + LockDisplay(dpy); + GetReq(GLXCreateNewContext,be_new_req); + be_new_req->reqType = dmxScreen->glxMajorOpcode; + be_new_req->glxCode = X_GLXCreateNewContext; + be_new_req->context = (unsigned int)glxc->real_ids[screen-from_screen]; + be_new_req->fbconfig = (unsigned int)be_fbconfigId; + be_new_req->screen = DefaultScreen(dpy); + be_new_req->renderType = renderType; + + be_new_req->shareList = (shareglxc ? shareglxc->real_ids[screen-from_screen] : 0); + be_new_req->isDirect = 0; + UnlockDisplay(dpy); + glxc->real_vids[screen-from_screen] = be_fbconfigId; + sent = 1; + } + else if (glxIsExtensionSupported("GLX_SGIX_fbconfig")) { + + xGLXCreateContextWithConfigSGIXReq *ext_req; + xGLXVendorPrivateReq *vpreq; + LockDisplay(dpy); + GetReqExtra(GLXVendorPrivate, + sz_xGLXCreateContextWithConfigSGIXReq - sz_xGLXVendorPrivateReq, + vpreq); + ext_req = (xGLXCreateContextWithConfigSGIXReq *)vpreq; + ext_req->reqType = dmxScreen->glxMajorOpcode; + ext_req->glxCode = X_GLXVendorPrivate; + ext_req->vendorCode = X_GLXvop_CreateContextWithConfigSGIX; + ext_req->context = (unsigned int)glxc->real_ids[screen-from_screen]; + ext_req->fbconfig = (unsigned int)be_fbconfigId; + ext_req->screen = DefaultScreen(dpy); + ext_req->renderType = renderType; + ext_req->shareList = (shareglxc ? shareglxc->real_ids[screen-from_screen] : 0); + ext_req->isDirect = 0; + UnlockDisplay(dpy); + glxc->real_vids[screen-from_screen] = be_fbconfigId; + sent = 1; + } + } + + if (!sent) { + LockDisplay(dpy); + GetReq(GLXCreateContext,be_req); + be_req->reqType = dmxScreen->glxMajorOpcode; + be_req->glxCode = X_GLXCreateContext; + be_req->context = (unsigned int)glxc->real_ids[screen-from_screen]; + be_req->visual = (unsigned int)be_vid; + be_req->screen = DefaultScreen(dpy); + be_req->shareList = (shareglxc ? shareglxc->real_ids[screen-from_screen] : 0); + be_req->isDirect = 0; + UnlockDisplay(dpy); + glxc->real_vids[screen-from_screen] = be_vid; + } + SyncHandle(); + + } + + /* + ** Register this context as a resource. + */ + if (!AddResource(gcId, __glXContextRes, (pointer)glxc)) { + free( glxc->real_ids ); + free( glxc->real_vids ); + free( glxc ); + client->errorValue = gcId; + return BadAlloc; + } + + /* + ** Finally, now that everything is working, setup the rest of the + ** context. + */ + glxc->id = gcId; + glxc->share_id = shareList; + glxc->idExists = GL_TRUE; + glxc->isCurrent = GL_FALSE; + + return Success; +} + +int __glXCreateContext(__GLXclientState *cl, GLbyte *pc) +{ + xGLXCreateContextReq *req = (xGLXCreateContextReq *) pc; + + return( CreateContext(cl, req->context,req->visual, None, + req->screen, req->shareList, req->isDirect) ); + +} + +int __glXCreateNewContext(__GLXclientState *cl, GLbyte *pc) +{ + xGLXCreateNewContextReq *req = (xGLXCreateNewContextReq *) pc; + + return( CreateContext(cl, req->context,None, req->fbconfig, + req->screen, req->shareList, req->isDirect) ); + +} + +int __glXCreateContextWithConfigSGIX(__GLXclientState *cl, GLbyte *pc) +{ + xGLXCreateContextWithConfigSGIXReq *req = (xGLXCreateContextWithConfigSGIXReq *) pc; + + return( CreateContext(cl, req->context, None, req->fbconfig, + req->screen, req->shareList, req->isDirect) ); + +} + +int __glXQueryMaxSwapBarriersSGIX(__GLXclientState *cl, GLbyte *pc) +{ + ClientPtr client = cl->client; + xGLXQueryMaxSwapBarriersSGIXReq *req = + (xGLXQueryMaxSwapBarriersSGIXReq *)pc; + xGLXQueryMaxSwapBarriersSGIXReply reply; + + reply.type = X_Reply; + reply.sequenceNumber = client->sequence; + reply.length = 0; + reply.max = QueryMaxSwapBarriersSGIX(req->screen); + + if (client->swapped) { + __glXSwapQueryMaxSwapBarriersSGIXReply(client, &reply); + } else { + WriteToClient(client, sz_xGLXQueryMaxSwapBarriersSGIXReply, + (char *)&reply); + } + + return Success; +} + +int __glXBindSwapBarrierSGIX(__GLXclientState *cl, GLbyte *pc) +{ + ClientPtr client = cl->client; + xGLXBindSwapBarrierSGIXReq *req = (xGLXBindSwapBarrierSGIXReq *)pc; + DrawablePtr pDraw; + __GLXpixmap *pGlxPixmap = NULL; + __glXWindow *pGlxWindow = NULL; + int rc; + + rc = dixLookupDrawable(&pDraw, req->drawable, client, 0, DixGetAttrAccess); + if (rc != Success) { + dixLookupResourceByType((pointer*) &pGlxPixmap, req->drawable, + __glXPixmapRes, NullClient, DixUnknownAccess); + if (pGlxPixmap) pDraw = pGlxPixmap->pDraw; + } + + if (!pDraw && __GLX_IS_VERSION_SUPPORTED(1,3) ) { + dixLookupResourceByType((pointer*) &pGlxWindow, req->drawable, + __glXWindowRes, NullClient, DixUnknownAccess); + if (pGlxWindow) pDraw = pGlxWindow->pDraw; + } + + if (!pDraw) { + client->errorValue = req->drawable; + return __glXBadDrawable; + } + + return BindSwapBarrierSGIX(pDraw, req->barrier); +} + +int __glXJoinSwapGroupSGIX(__GLXclientState *cl, GLbyte *pc) +{ + ClientPtr client = cl->client; + xGLXJoinSwapGroupSGIXReq *req = (xGLXJoinSwapGroupSGIXReq *)pc; + DrawablePtr pDraw, pMember = NULL; + __GLXpixmap *pGlxPixmap = NULL; + __glXWindow *pGlxWindow = NULL; + int rc; + + rc = dixLookupDrawable(&pDraw, req->drawable, client, 0, DixManageAccess); + if (rc != Success) { + dixLookupResourceByType((pointer*) &pGlxPixmap, req->drawable, + __glXPixmapRes, NullClient, DixUnknownAccess); + if (pGlxPixmap) pDraw = pGlxPixmap->pDraw; + } + + if (!pDraw && __GLX_IS_VERSION_SUPPORTED(1,3) ) { + dixLookupResourceByType((pointer*) &pGlxWindow, req->drawable, + __glXWindowRes, NullClient, DixUnknownAccess); + if (pGlxWindow) pDraw = pGlxWindow->pDraw; + } + + if (!pDraw) { + client->errorValue = req->drawable; + return __glXBadDrawable; + } + + if (req->member != None) { + rc = dixLookupDrawable(&pMember, req->member, client, 0, + DixGetAttrAccess); + if (rc != Success) { + dixLookupResourceByType((pointer*) &pGlxPixmap, req->member, + __glXPixmapRes, NullClient, + DixUnknownAccess); + if (pGlxPixmap) pMember = pGlxPixmap->pDraw; + } + + if (!pMember && __GLX_IS_VERSION_SUPPORTED(1,3) ) { + dixLookupResourceByType((pointer*) &pGlxWindow, req->member, + __glXWindowRes, NullClient, + DixUnknownAccess); + if (pGlxWindow) pMember = pGlxWindow->pDraw; + } + + if (!pMember) { + client->errorValue = req->member; + return __glXBadDrawable; + } + } + + return JoinSwapGroupSGIX(pDraw, pMember); +} + + +/* +** Destroy a GL context as an X resource. +*/ +int __glXDestroyContext(__GLXclientState *cl, GLbyte *pc) +{ + ClientPtr client = cl->client; + xGLXDestroyContextReq *req = (xGLXDestroyContextReq *) pc; + xGLXDestroyContextReq *be_req; + GLXContextID gcId = req->context; + __GLXcontext *glxc; + int from_screen = 0; + int to_screen = 0; + int s; + + dixLookupResourceByType((pointer*) &glxc, gcId, __glXContextRes, + NullClient, DixUnknownAccess); + if (glxc) { + /* + ** Just free the resource; don't actually destroy the context, + ** because it might be in use. The + ** destroy method will be called by the resource destruction routine + ** if necessary. + */ + FreeResourceByType(gcId, __glXContextRes, FALSE); + + from_screen = to_screen = glxc->pScreen->myNum; + + } else { + client->errorValue = gcId; + return __glXBadContext; + } + +#ifdef PANORAMIX + if (!noPanoramiXExtension) { + from_screen = 0; + to_screen = screenInfo.numScreens - 1; + } +#endif + + /* + * send DestroyContext request to all back-end servers + */ + for (s=from_screen; s<=to_screen; s++) { + DMXScreenInfo *dmxScreen = &dmxScreens[s]; + Display *dpy = GetBackEndDisplay(cl,s); + + LockDisplay(dpy); + GetReq(GLXDestroyContext,be_req); + be_req->reqType = dmxScreen->glxMajorOpcode; + be_req->glxCode = X_GLXDestroyContext; + be_req->context = glxc->real_ids[s-from_screen]; + UnlockDisplay(dpy); + SyncHandle(); + } + + return Success; +} + +/*****************************************************************************/ + +/* +** For each client, the server keeps a table of all the contexts that are +** current for that client (each thread of a client may have its own current +** context). These routines add, change, and lookup contexts in the table. +*/ + +/* +** Add a current context, and return the tag that will be used to refer to it. +*/ +static int AddCurrentContext(__GLXclientState *cl, __GLXcontext *glxc, DrawablePtr pDraw) +{ + int i; + int num = cl->numCurrentContexts; + __GLXcontext **table = cl->currentContexts; + + if (!glxc) return -1; + + /* + ** Try to find an empty slot and use it. + */ + for (i=0; i < num; i++) { + if (!table[i]) { + table[i] = glxc; + return i+1; + } + } + /* + ** Didn't find a free slot, so we'll have to grow the table. + */ + if (!num) { + table = (__GLXcontext **) malloc(sizeof(__GLXcontext *)); + cl->currentDrawables = (DrawablePtr *) malloc(sizeof(DrawablePtr)); + cl->be_currentCTag = (GLXContextTag *) malloc(screenInfo.numScreens *sizeof(GLXContextTag)); + } else { + table = (__GLXcontext **) realloc(table, + (num+1)*sizeof(__GLXcontext *)); + cl->currentDrawables = (DrawablePtr *) realloc( + cl->currentDrawables , + (num+1)*sizeof(DrawablePtr)); + cl->be_currentCTag = (GLXContextTag *) realloc(cl->be_currentCTag, + (num+1)*screenInfo.numScreens*sizeof(GLXContextTag)); + } + table[num] = glxc; + cl->currentDrawables[num] = pDraw; + cl->currentContexts = table; + cl->numCurrentContexts++; + + memset(cl->be_currentCTag + num*screenInfo.numScreens, 0, + screenInfo.numScreens * sizeof(GLXContextTag)); + + return num+1; +} + +/* +** Given a tag, change the current context for the corresponding entry. +*/ +static void ChangeCurrentContext(__GLXclientState *cl, __GLXcontext *glxc, + GLXContextTag tag) +{ + __GLXcontext **table = cl->currentContexts; + table[tag-1] = glxc; +} + +/* +** Given a tag, and back-end screen number, retrives the current back-end +** tag. +*/ +int GetCurrentBackEndTag(__GLXclientState *cl, GLXContextTag tag, int s) +{ + if (tag >0) { + return( cl->be_currentCTag[ (tag-1)*screenInfo.numScreens + s ] ); + } + else { + return 0; + } +} + +/* +** Given a tag, and back-end screen number, sets the current back-end +** tag. +*/ +static void SetCurrentBackEndTag(__GLXclientState *cl, GLXContextTag tag, int s, GLXContextTag be_tag) +{ + if (tag >0) { + cl->be_currentCTag[ (tag-1)*screenInfo.numScreens + s ] = be_tag; + } +} + +/* +** For this implementation we have chosen to simply use the index of the +** context's entry in the table as the context tag. A tag must be greater +** than 0. +*/ +__GLXcontext *__glXLookupContextByTag(__GLXclientState *cl, GLXContextTag tag) +{ + int num = cl->numCurrentContexts; + + if (tag < 1 || tag > num) { + return 0; + } else { + return cl->currentContexts[tag-1]; + } +} + +DrawablePtr __glXLookupDrawableByTag(__GLXclientState *cl, GLXContextTag tag) +{ + int num = cl->numCurrentContexts; + + if (tag < 1 || tag > num) { + return 0; + } else { + return cl->currentDrawables[tag-1]; + } +} + +/*****************************************************************************/ + +static void StopUsingContext(__GLXcontext *glxc) +{ + if (glxc) { + if (glxc == __glXLastContext) { + /* Tell server GL library */ + __glXLastContext = 0; + } + glxc->isCurrent = GL_FALSE; + if (!glxc->idExists) { + __glXFreeContext(glxc); + } + } +} + +static void StartUsingContext(__GLXclientState *cl, __GLXcontext *glxc) +{ + glxc->isCurrent = GL_TRUE; +} + +/*****************************************************************************/ +/* +** Make an OpenGL context and drawable current. +*/ +static int MakeCurrent(__GLXclientState *cl, + GLXDrawable drawable, + GLXDrawable readdrawable, + GLXContextID context, + GLXContextTag oldContextTag) +{ + ClientPtr client = cl->client; + DrawablePtr pDraw = NULL; + DrawablePtr pReadDraw = NULL; + xGLXMakeCurrentReadSGIReply new_reply; + xGLXMakeCurrentReq *be_req; + xGLXMakeCurrentReply be_reply; + xGLXMakeContextCurrentReq *be_new_req; + xGLXMakeContextCurrentReply be_new_reply; + GLXDrawable drawId = drawable; + GLXDrawable readId = readdrawable; + GLXContextID contextId = context; + __GLXpixmap *pGlxPixmap = 0; + __GLXpixmap *pReadGlxPixmap = 0; + __GLXcontext *glxc, *prevglxc; + GLXContextTag tag = oldContextTag; + WindowPtr pWin = NULL; + WindowPtr pReadWin = NULL; + __glXWindow *pGlxWindow = NULL; + __glXWindow *pGlxReadWindow = NULL; + __glXPbuffer *pGlxPbuffer = NULL; + __glXPbuffer *pGlxReadPbuffer = NULL; +#ifdef PANORAMIX + PanoramiXRes *pXinDraw = NULL; + PanoramiXRes *pXinReadDraw = NULL; +#endif + int from_screen = 0; + int to_screen = 0; + int s, rc; + + /* + ** If one is None and the other isn't, it's a bad match. + */ + if ((drawId == None && contextId != None) || + (drawId != None && contextId == None)) { + return BadMatch; + } + + /* + ** Lookup old context. If we have one, it must be in a usable state. + */ + if (tag != 0) { + prevglxc = __glXLookupContextByTag(cl, tag); + if (!prevglxc) { + /* + ** Tag for previous context is invalid. + */ + return __glXBadContextTag; + } + } else { + prevglxc = 0; + } + + /* + ** Lookup new context. It must not be current for someone else. + */ + if (contextId != None) { + dixLookupResourceByType((pointer*) &glxc, contextId, __glXContextRes, + NullClient, DixUnknownAccess); + if (!glxc) { + client->errorValue = contextId; + return __glXBadContext; + } + if ((glxc != prevglxc) && glxc->isCurrent) { + /* Context is current to somebody else */ + return BadAccess; + } + } else { + /* Switching to no context. Ignore new drawable. */ + glxc = 0; + } + + if (drawId != None) { + rc = dixLookupDrawable(&pDraw, drawId, client, 0, DixWriteAccess); + if (rc == Success) { + if (pDraw->type == DRAWABLE_WINDOW) { + /* + ** Drawable is an X Window. + */ + VisualID vid; + pWin = (WindowPtr)pDraw; + vid = wVisual(pWin); + + new_reply.writeVid = (glxc->pFBConfig ? glxc->pFBConfig->id : vid); + new_reply.writeType = GLX_WINDOW_TYPE; + + /* + ** Check if window and context are similar. + */ + if ((vid != glxc->pVisual->vid) || + (pWin->drawable.pScreen != glxc->pScreen)) { + client->errorValue = drawId; + return BadMatch; + } + + from_screen = to_screen = pWin->drawable.pScreen->myNum; + + } else { + /* + ** An X Pixmap is not allowed as a parameter (a GLX Pixmap + ** is, but it must first be created with glxCreateGLXPixmap). + */ + client->errorValue = drawId; + return __glXBadDrawable; + } + } + + if (!pDraw) { + dixLookupResourceByType((pointer*) &pGlxPixmap, drawId, + __glXPixmapRes, NullClient, + DixUnknownAccess); + if (pGlxPixmap) { + /* + ** Check if pixmap and context are similar. + */ + if (pGlxPixmap->pScreen != glxc->pScreen || + pGlxPixmap->pGlxVisual != glxc->pGlxVisual) { + client->errorValue = drawId; + return BadMatch; + } + pDraw = pGlxPixmap->pDraw; + + new_reply.writeVid = (glxc->pFBConfig ? glxc->pFBConfig->id : + pGlxPixmap->pGlxVisual->vid); + + new_reply.writeType = GLX_PIXMAP_TYPE; + + from_screen = to_screen = pGlxPixmap->pScreen->myNum; + + } + } + + if (!pDraw && __GLX_IS_VERSION_SUPPORTED(1,3) ) { + dixLookupResourceByType((pointer*) &pGlxWindow, drawId, + __glXWindowRes, NullClient, + DixUnknownAccess); + if (pGlxWindow) { + /* + ** Drawable is a GLXWindow. + ** + ** Check if GLX window and context are similar. + */ + if (pGlxWindow->pScreen != glxc->pScreen || + pGlxWindow->pGlxFBConfig != glxc->pFBConfig) { + client->errorValue = drawId; + return BadMatch; + } + + pDraw = pGlxWindow->pDraw; + new_reply.writeVid = pGlxWindow->pGlxFBConfig->id; + new_reply.writeType = GLX_GLXWINDOW_TYPE; + } + + } + + if (!pDraw && __GLX_IS_VERSION_SUPPORTED(1,3) ) { + dixLookupResourceByType((pointer*) &pGlxPbuffer, drawId, + __glXPbufferRes, NullClient, + DixUnknownAccess); + if (pGlxPbuffer) { + if (pGlxPbuffer->pScreen != glxc->pScreen || + pGlxPbuffer->pFBConfig != glxc->pFBConfig) { + client->errorValue = drawId; + return BadMatch; + } + + pDraw = (DrawablePtr)pGlxPbuffer; + new_reply.writeVid = pGlxPbuffer->pFBConfig->id; + new_reply.writeType = GLX_PBUFFER_TYPE; + } + } + + if (!pDraw) { + /* + ** Drawable is not a Window , GLXWindow or a GLXPixmap. + */ + client->errorValue = drawId; + return __glXBadDrawable; + } + + } else { + pDraw = 0; + } + + if (readId != None && readId != drawId ) { + rc = dixLookupDrawable(&pReadDraw, readId, client, 0, DixReadAccess); + if (rc == Success) { + if (pReadDraw->type == DRAWABLE_WINDOW) { + /* + ** Drawable is an X Window. + */ + VisualID vid; + pReadWin = (WindowPtr)pDraw; + vid = wVisual(pReadWin); + + new_reply.readVid = (glxc->pFBConfig ? glxc->pFBConfig->id : vid); + new_reply.readType = GLX_WINDOW_TYPE; + + /* + ** Check if window and context are similar. + */ + if ((vid != glxc->pVisual->vid) || + (pReadWin->drawable.pScreen != glxc->pScreen)) { + client->errorValue = readId; + return BadMatch; + } + + } else { + + /* + ** An X Pixmap is not allowed as a parameter (a GLX Pixmap + ** is, but it must first be created with glxCreateGLXPixmap). + */ + client->errorValue = readId; + return __glXBadDrawable; + } + } + + if (!pReadDraw) { + dixLookupResourceByType((pointer*) &pReadGlxPixmap, readId, + __glXPixmapRes, NullClient, + DixUnknownAccess); + if (pReadGlxPixmap) { + /* + ** Check if pixmap and context are similar. + */ + if (pReadGlxPixmap->pScreen != glxc->pScreen || + pReadGlxPixmap->pGlxVisual != glxc->pGlxVisual) { + client->errorValue = readId; + return BadMatch; + } + pReadDraw = pReadGlxPixmap->pDraw; + + new_reply.readVid = (glxc->pFBConfig ? glxc->pFBConfig->id : + pReadGlxPixmap->pGlxVisual->vid ); + new_reply.readType = GLX_PIXMAP_TYPE; + + } + } + + if (!pReadDraw && __GLX_IS_VERSION_SUPPORTED(1,3) ) { + dixLookupResourceByType((pointer*) &pGlxReadWindow, readId, + __glXWindowRes, NullClient, + DixUnknownAccess); + if (pGlxReadWindow) { + /* + ** Drawable is a GLXWindow. + ** + ** Check if GLX window and context are similar. + */ + if (pGlxReadWindow->pScreen != glxc->pScreen || + pGlxReadWindow->pGlxFBConfig != glxc->pFBConfig) { + client->errorValue = readId; + return BadMatch; + } + + pReadDraw = pGlxReadWindow->pDraw; + new_reply.readVid = pGlxReadWindow->pGlxFBConfig->id; + new_reply.readType = GLX_GLXWINDOW_TYPE; + } + } + + if (!pReadDraw && __GLX_IS_VERSION_SUPPORTED(1,3) ) { + dixLookupResourceByType((pointer*) &pGlxReadPbuffer, readId, + __glXPbufferRes, NullClient, + DixUnknownAccess); + if (pGlxReadPbuffer) { + if (pGlxReadPbuffer->pScreen != glxc->pScreen || + pGlxReadPbuffer->pFBConfig != glxc->pFBConfig) { + client->errorValue = drawId; + return BadMatch; + } + + pReadDraw = (DrawablePtr)pGlxReadPbuffer; + new_reply.readVid = pGlxReadPbuffer->pFBConfig->id; + new_reply.readType = GLX_PBUFFER_TYPE; + } + } + + if (!pReadDraw) { + /* + ** Drawable is neither a Window nor a GLXPixmap. + */ + client->errorValue = readId; + return __glXBadDrawable; + } + + } else { + pReadDraw = pDraw; + pReadGlxPixmap = pGlxPixmap; + pReadWin = pWin; + new_reply.readVid = new_reply.writeVid; + new_reply.readType = new_reply.writeType; + } + + if (prevglxc) { + + if (prevglxc->pGlxPixmap) { + /* + ** The previous drawable was a glx pixmap, release it. + */ + prevglxc->pGlxPixmap->refcnt--; + __glXFreeGLXPixmap( prevglxc->pGlxPixmap ); + prevglxc->pGlxPixmap = 0; + } + + if (prevglxc->pGlxReadPixmap) { + /* + ** The previous drawable was a glx pixmap, release it. + */ + prevglxc->pGlxReadPixmap->refcnt--; + __glXFreeGLXPixmap( prevglxc->pGlxReadPixmap ); + prevglxc->pGlxReadPixmap = 0; + } + + if (prevglxc->pGlxWindow) { + /* + ** The previous drawable was a glx window, release it. + */ + prevglxc->pGlxWindow->refcnt--; + __glXFreeGLXWindow( prevglxc->pGlxWindow ); + prevglxc->pGlxWindow = 0; + } + + if (prevglxc->pGlxReadWindow) { + /* + ** The previous drawable was a glx window, release it. + */ + prevglxc->pGlxReadWindow->refcnt--; + __glXFreeGLXWindow( prevglxc->pGlxReadWindow ); + prevglxc->pGlxReadWindow = 0; + } + + if (prevglxc->pGlxPbuffer) { + /* + ** The previous drawable was a glx Pbuffer, release it. + */ + prevglxc->pGlxPbuffer->refcnt--; + __glXFreeGLXPbuffer( prevglxc->pGlxPbuffer ); + prevglxc->pGlxPbuffer = 0; + } + + if (prevglxc->pGlxReadPbuffer) { + /* + ** The previous drawable was a glx Pbuffer, release it. + */ + prevglxc->pGlxReadPbuffer->refcnt--; + __glXFreeGLXPbuffer( prevglxc->pGlxReadPbuffer ); + prevglxc->pGlxReadPbuffer = 0; + } + + ChangeCurrentContext(cl, glxc, tag); + ChangeCurrentContext(cl, glxc, tag); + StopUsingContext(prevglxc); + } else { + tag = AddCurrentContext(cl, glxc, pDraw); + } + if (glxc) { + + glxc->pGlxPixmap = pGlxPixmap; + glxc->pGlxReadPixmap = pReadGlxPixmap; + glxc->pGlxWindow = pGlxWindow; + glxc->pGlxReadWindow = pGlxReadWindow; + glxc->pGlxPbuffer = pGlxPbuffer; + glxc->pGlxReadPbuffer = pGlxReadPbuffer; + + if (pGlxPixmap) { + pGlxPixmap->refcnt++; + } + + if (pReadGlxPixmap) { + pReadGlxPixmap->refcnt++; + } + + if (pGlxWindow) { + pGlxWindow->refcnt++; + } + + if (pGlxReadWindow) { + pGlxReadWindow->refcnt++; + } + + if (pGlxPbuffer) { + pGlxPbuffer->refcnt++; + } + + if (pGlxReadPbuffer) { + pGlxReadPbuffer->refcnt++; + } + + StartUsingContext(cl, glxc); + new_reply.contextTag = tag; + } else { + new_reply.contextTag = 0; + } + new_reply.length = 0; + new_reply.type = X_Reply; + new_reply.sequenceNumber = client->sequence; + +#ifdef PANORAMIX + if (!noPanoramiXExtension) { + from_screen = 0; + to_screen = screenInfo.numScreens - 1; + + if (pDraw && new_reply.writeType != GLX_PBUFFER_TYPE) { + dixLookupResourceByClass((pointer*) &pXinDraw, + pDraw->id, XRC_DRAWABLE, + client, DixReadAccess); + } + + if (pReadDraw && pReadDraw != pDraw && + new_reply.readType != GLX_PBUFFER_TYPE) { + dixLookupResourceByClass((pointer*) &pXinReadDraw, + pReadDraw->id, XRC_DRAWABLE, + client, DixReadAccess); + } + else { + pXinReadDraw = pXinDraw; + } + } +#endif + + + /* send the MakeCurrent request to all required + * back-end servers. + */ + for (s = from_screen; s<=to_screen; s++) { + DMXScreenInfo *dmxScreen = &dmxScreens[s]; + Display *dpy = GetBackEndDisplay(cl,s); + unsigned int be_draw = None; + unsigned int be_read_draw = None; + + if (pGlxPixmap) { + be_draw = pGlxPixmap->be_xids[s]; + } + else if (pGlxPbuffer) { + be_draw = pGlxPbuffer->be_xids[s]; + } +#ifdef PANORAMIX + else if (pXinDraw) { + dixLookupWindow(&pWin, pXinDraw->info[s].id, client, DixReadAccess); + } +#endif + else if (pGlxWindow) { + pWin = (WindowPtr)pGlxWindow->pDraw; + } + + if (pWin && be_draw == None) { + be_draw = (unsigned int)(DMX_GET_WINDOW_PRIV(pWin))->window; + if (!be_draw) { + /* it might be that the window did not created yet on the */ + /* back-end server (lazy window creation option), force */ + /* creation of the window */ + dmxCreateAndRealizeWindow( pWin, TRUE ); + be_draw = (unsigned int)(DMX_GET_WINDOW_PRIV(pWin))->window; + } + } + + /* + * Before sending the MakeCurrent request - sync the + * X11 connection to the back-end servers to make sure + * that drawable is already created + */ + dmxSync( dmxScreen, 1 ); + + if (drawId == readId) { + LockDisplay(dpy); + GetReq(GLXMakeCurrent, be_req); + be_req->reqType = dmxScreen->glxMajorOpcode; + be_req->glxCode = X_GLXMakeCurrent; + be_req->drawable = be_draw; + be_req->context = (unsigned int)(glxc ? glxc->real_ids[s-from_screen] : 0); + be_req->oldContextTag = GetCurrentBackEndTag(cl, tag, s); + if (!_XReply(dpy, (xReply *) &be_reply, 0, False)) { + + /* The make current failed */ + UnlockDisplay(dpy); + SyncHandle(); + return( BE_TO_CLIENT_ERROR(dmxLastErrorEvent.error_code) ); + } + + UnlockDisplay(dpy); + SyncHandle(); + + SetCurrentBackEndTag( cl, tag, s, be_reply.contextTag ); + } + else { + + if (pReadGlxPixmap) { + be_read_draw = pReadGlxPixmap->be_xids[s]; + } + else if (pGlxReadPbuffer) { + be_read_draw = pGlxReadPbuffer->be_xids[s]; + } +#ifdef PANORAMIX + else if (pXinReadDraw) { + dixLookupWindow(&pReadWin, pXinReadDraw->info[s].id, client, + DixReadAccess); + } +#endif + else if (pGlxReadWindow) { + pReadWin = (WindowPtr)pGlxReadWindow->pDraw; + } + + if (pReadWin && be_read_draw == None) { + be_read_draw = (unsigned int)(DMX_GET_WINDOW_PRIV(pReadWin))->window; + if (!be_read_draw) { + /* it might be that the window did not created yet on the */ + /* back-end server (lazy window creation option), force */ + /* creation of the window */ + dmxCreateAndRealizeWindow( pReadWin, TRUE ); + be_read_draw = (unsigned int)(DMX_GET_WINDOW_PRIV(pReadWin))->window; + dmxSync( dmxScreen, 1 ); + } + } + + if ( __GLX_IS_VERSION_SUPPORTED(1,3) ) { + LockDisplay(dpy); + GetReq(GLXMakeContextCurrent, be_new_req); + be_new_req->reqType = dmxScreen->glxMajorOpcode; + be_new_req->glxCode = X_GLXMakeContextCurrent; + be_new_req->drawable = be_draw; + be_new_req->readdrawable = be_read_draw; + be_new_req->context = (unsigned int)(glxc ? glxc->real_ids[s-from_screen] : 0); + be_new_req->oldContextTag = GetCurrentBackEndTag(cl, tag, s); + if (!_XReply(dpy, (xReply *) &be_new_reply, 0, False)) { + + /* The make current failed */ + UnlockDisplay(dpy); + SyncHandle(); + return( BE_TO_CLIENT_ERROR(dmxLastErrorEvent.error_code) ); + } + + UnlockDisplay(dpy); + SyncHandle(); + + SetCurrentBackEndTag( cl, tag, s, be_new_reply.contextTag ); + } + else if (glxIsExtensionSupported("GLX_SGI_make_current_read")) { + xGLXMakeCurrentReadSGIReq *ext_req; + xGLXVendorPrivateWithReplyReq *vpreq; + xGLXMakeCurrentReadSGIReply ext_reply; + + LockDisplay(dpy); + GetReqExtra(GLXVendorPrivateWithReply, + sz_xGLXMakeCurrentReadSGIReq - sz_xGLXVendorPrivateWithReplyReq, + vpreq); + ext_req = (xGLXMakeCurrentReadSGIReq *)vpreq; + ext_req->reqType = dmxScreen->glxMajorOpcode; + ext_req->glxCode = X_GLXVendorPrivateWithReply; + ext_req->vendorCode = X_GLXvop_MakeCurrentReadSGI; + ext_req->drawable = be_draw; + ext_req->readable = be_read_draw; + ext_req->context = (unsigned int)(glxc ? glxc->real_ids[s-from_screen] : 0); + ext_req->oldContextTag = GetCurrentBackEndTag(cl, tag, s); + if (!_XReply(dpy, (xReply *) &ext_reply, 0, False)) { + + /* The make current failed */ + UnlockDisplay(dpy); + SyncHandle(); + return( BE_TO_CLIENT_ERROR(dmxLastErrorEvent.error_code) ); + } + + UnlockDisplay(dpy); + SyncHandle(); + + SetCurrentBackEndTag( cl, tag, s, ext_reply.contextTag ); + + } + else { + return BadMatch; + } + } + + XFlush( dpy ); + } + + if (client->swapped) { + __glXSwapMakeCurrentReply(client, &new_reply); + } else { + WriteToClient(client, sz_xGLXMakeContextCurrentReply, (char *)&new_reply); + } + + return Success; +} + +int __glXMakeCurrent(__GLXclientState *cl, GLbyte *pc) +{ + xGLXMakeCurrentReq *req = (xGLXMakeCurrentReq *) pc; + + return( MakeCurrent(cl, req->drawable, req->drawable, + req->context, req->oldContextTag ) ); +} + +int __glXMakeContextCurrent(__GLXclientState *cl, GLbyte *pc) +{ + xGLXMakeContextCurrentReq *req = (xGLXMakeContextCurrentReq *) pc; + + return( MakeCurrent(cl, req->drawable, req->readdrawable, + req->context, req->oldContextTag ) ); +} + +int __glXMakeCurrentReadSGI(__GLXclientState *cl, GLbyte *pc) +{ + xGLXMakeCurrentReadSGIReq *req = (xGLXMakeCurrentReadSGIReq *) pc; + + return( MakeCurrent(cl, req->drawable, req->readable, + req->context, req->oldContextTag ) ); +} + +int __glXIsDirect(__GLXclientState *cl, GLbyte *pc) +{ + ClientPtr client = cl->client; + xGLXIsDirectReq *req = (xGLXIsDirectReq *) pc; + xGLXIsDirectReply reply; + __GLXcontext *glxc; + + /* + ** Find the GL context. + */ + dixLookupResourceByType((pointer*) &glxc, req->context, __glXContextRes, + NullClient, DixUnknownAccess); + if (!glxc) { + client->errorValue = req->context; + return __glXBadContext; + } + + reply.isDirect = 0; + reply.length = 0; + reply.type = X_Reply; + reply.sequenceNumber = client->sequence; + + if (client->swapped) { + __glXSwapIsDirectReply(client, &reply); + } else { + WriteToClient(client, sz_xGLXIsDirectReply, (char *)&reply); + } + + return Success; +} + +int __glXQueryVersion(__GLXclientState *cl, GLbyte *pc) +{ + ClientPtr client = cl->client; +/* xGLXQueryVersionReq *req = (xGLXQueryVersionReq *) pc; */ + xGLXQueryVersionReply reply; + + /* + ** Server should take into consideration the version numbers sent by the + ** client if it wants to work with older clients; however, in this + ** implementation the server just returns its version number. + */ + reply.majorVersion = __glXVersionMajor; + reply.minorVersion = __glXVersionMinor; + reply.length = 0; + reply.type = X_Reply; + reply.sequenceNumber = client->sequence; + + if (client->swapped) { + __glXSwapQueryVersionReply(client, &reply); + } else { + WriteToClient(client, sz_xGLXQueryVersionReply, (char *)&reply); + } + return Success; +} + +int __glXWaitGL(__GLXclientState *cl, GLbyte *pc) +{ + xGLXWaitGLReq *req = (xGLXWaitGLReq *)pc; + xGLXWaitGLReq *be_req = (xGLXWaitGLReq *)pc; + int from_screen = 0; + int to_screen = 0; + int s; + __GLXcontext *glxc = NULL; + + if (req->contextTag != 0) { + glxc = __glXLookupContextByTag(cl, req->contextTag); + if (glxc) { + from_screen = to_screen = glxc->pScreen->myNum; + } + } + +#ifdef PANORAMIX + if (!noPanoramiXExtension) { + from_screen = 0; + to_screen = screenInfo.numScreens - 1; + } +#endif + + for (s=from_screen; s<=to_screen; s++) { + DMXScreenInfo *dmxScreen = &dmxScreens[s]; + Display *dpy = GetBackEndDisplay(cl,s); + + LockDisplay(dpy); + GetReq(GLXWaitGL,be_req); + be_req->reqType = dmxScreen->glxMajorOpcode; + be_req->glxCode = X_GLXWaitGL; + be_req->contextTag = (glxc ? GetCurrentBackEndTag(cl,req->contextTag,s) : 0); + UnlockDisplay(dpy); + SyncHandle(); + + XSync(dpy, False); + } + + return Success; +} + +int __glXWaitX(__GLXclientState *cl, GLbyte *pc) +{ + xGLXWaitXReq *req = (xGLXWaitXReq *)pc; + xGLXWaitXReq *be_req; + int from_screen = 0; + int to_screen = 0; + int s; + __GLXcontext *glxc = NULL; + + if (req->contextTag != 0) { + glxc = __glXLookupContextByTag(cl, req->contextTag); + if (glxc) { + from_screen = to_screen = glxc->pScreen->myNum; + } + } + +#ifdef PANORAMIX + if (!noPanoramiXExtension) { + from_screen = 0; + to_screen = screenInfo.numScreens - 1; + } +#endif + + for (s=from_screen; s<=to_screen; s++) { + DMXScreenInfo *dmxScreen = &dmxScreens[s]; + Display *dpy = GetBackEndDisplay(cl,s); + + dmxSync( dmxScreen, 1 ); + + LockDisplay(dpy); + GetReq(GLXWaitX,be_req); + be_req->reqType = dmxScreen->glxMajorOpcode; + be_req->glxCode = X_GLXWaitX; + be_req->contextTag = (glxc ? GetCurrentBackEndTag(cl,req->contextTag,s) : 0); + UnlockDisplay(dpy); + SyncHandle(); + + XFlush( dpy ); + } + + return Success; +} + +int __glXCopyContext(__GLXclientState *cl, GLbyte *pc) +{ + ClientPtr client = cl->client; + xGLXCopyContextReq *be_req; + xGLXCopyContextReq *req = (xGLXCopyContextReq *) pc; + GLXContextID source = req->source; + GLXContextID dest = req->dest; + GLXContextTag tag = req->contextTag; + unsigned long mask = req->mask; + __GLXcontext *src, *dst; + int s; + int from_screen = 0; + int to_screen = 0; + + /* + ** Check that each context exists. + */ + dixLookupResourceByType((pointer*) &src, source, __glXContextRes, + NullClient, DixUnknownAccess); + if (!src) { + client->errorValue = source; + return __glXBadContext; + } + dixLookupResourceByType((pointer*) &dst, dest, __glXContextRes, + NullClient, DixUnknownAccess); + if (!dst) { + client->errorValue = dest; + return __glXBadContext; + } + + /* + ** They must be in the same address space, and same screen. + */ + if (src->pGlxScreen != dst->pGlxScreen) { + client->errorValue = source; + return BadMatch; + } + + /* + ** The destination context must not be current for any client. + */ + if (dst->isCurrent) { + client->errorValue = dest; + return BadAccess; + } + + if (tag) { + __GLXcontext *tagcx = __glXLookupContextByTag(cl, tag); + + if (!tagcx) { + return __glXBadContextTag; + } + if (tagcx != src) { + /* + ** This would be caused by a faulty implementation of the client + ** library. + */ + return BadMatch; + } + } + + from_screen = to_screen = src->pScreen->myNum; + +#ifdef PANORAMIX + if (!noPanoramiXExtension) { + from_screen = 0; + to_screen = screenInfo.numScreens - 1; + } +#endif + + for (s=from_screen; s<=to_screen; s++) { + DMXScreenInfo *dmxScreen = &dmxScreens[s]; + Display *dpy = GetBackEndDisplay(cl,s); + + LockDisplay(dpy); + GetReq(GLXCopyContext,be_req); + be_req->reqType = dmxScreen->glxMajorOpcode; + be_req->glxCode = X_GLXCopyContext; + be_req->source = (unsigned int)src->real_ids[s-from_screen]; + be_req->dest = (unsigned int)dst->real_ids[s-from_screen]; + be_req->mask = mask; + be_req->contextTag = (tag ? GetCurrentBackEndTag(cl,req->contextTag,s) : 0); + UnlockDisplay(dpy); + SyncHandle(); + } + + return Success; +} + +int __glXGetVisualConfigs(__GLXclientState *cl, GLbyte *pc) +{ + ClientPtr client = cl->client; + xGLXGetVisualConfigsReq *req = (xGLXGetVisualConfigsReq *) pc; + xGLXGetVisualConfigsReply reply; + __GLXscreenInfo *pGlxScreen; + __GLXvisualConfig *pGlxVisual; + CARD32 buf[__GLX_TOTAL_CONFIG]; + unsigned int screen; + int i, p; + + screen = req->screen; + if (screen >= screenInfo.numScreens) { + /* The client library must send a valid screen number. */ + client->errorValue = screen; + return BadValue; + } + pGlxScreen = &__glXActiveScreens[screen]; + + reply.numVisuals = pGlxScreen->numGLXVisuals; + reply.numProps = __GLX_TOTAL_CONFIG; + reply.length = (pGlxScreen->numGLXVisuals * __GLX_SIZE_CARD32 * + __GLX_TOTAL_CONFIG) >> 2; + reply.type = X_Reply; + reply.sequenceNumber = client->sequence; + + WriteToClient(client, sz_xGLXGetVisualConfigsReply, (char *)&reply); + + for (i=0; i < pGlxScreen->numVisuals; i++) { + pGlxVisual = &pGlxScreen->pGlxVisual[i]; + if (!pGlxScreen->isGLXvis[i] || pGlxVisual->vid == 0) { + /* not a usable visual */ + continue; + } + p = 0; + buf[p++] = pGlxVisual->vid; + buf[p++] = pGlxVisual->class; + buf[p++] = pGlxVisual->rgba; + + buf[p++] = pGlxVisual->redSize; + buf[p++] = pGlxVisual->greenSize; + buf[p++] = pGlxVisual->blueSize; + buf[p++] = pGlxVisual->alphaSize; + buf[p++] = pGlxVisual->accumRedSize; + buf[p++] = pGlxVisual->accumGreenSize; + buf[p++] = pGlxVisual->accumBlueSize; + buf[p++] = pGlxVisual->accumAlphaSize; + + buf[p++] = pGlxVisual->doubleBuffer; + buf[p++] = pGlxVisual->stereo; + + buf[p++] = pGlxVisual->bufferSize; + buf[p++] = pGlxVisual->depthSize; + buf[p++] = pGlxVisual->stencilSize; + buf[p++] = pGlxVisual->auxBuffers; + buf[p++] = pGlxVisual->level; + /* + ** Add token/value pairs for extensions. + */ + buf[p++] = GLX_VISUAL_CAVEAT_EXT; + buf[p++] = pGlxVisual->visualRating; + buf[p++] = GLX_TRANSPARENT_TYPE_EXT; + buf[p++] = pGlxVisual->transparentPixel; + buf[p++] = GLX_TRANSPARENT_RED_VALUE_EXT; + buf[p++] = pGlxVisual->transparentRed; + buf[p++] = GLX_TRANSPARENT_GREEN_VALUE_EXT; + buf[p++] = pGlxVisual->transparentGreen; + buf[p++] = GLX_TRANSPARENT_BLUE_VALUE_EXT; + buf[p++] = pGlxVisual->transparentBlue; + buf[p++] = GLX_TRANSPARENT_ALPHA_VALUE_EXT; + buf[p++] = pGlxVisual->transparentAlpha; + buf[p++] = GLX_TRANSPARENT_INDEX_VALUE_EXT; + buf[p++] = pGlxVisual->transparentIndex; + buf[p++] = GLX_SAMPLES_SGIS; + buf[p++] = pGlxVisual->multiSampleSize; + buf[p++] = GLX_SAMPLE_BUFFERS_SGIS; + buf[p++] = pGlxVisual->nMultiSampleBuffers; + buf[p++] = GLX_VISUAL_SELECT_GROUP_SGIX; + buf[p++] = pGlxVisual->visualSelectGroup; + + WriteToClient(client, __GLX_SIZE_CARD32 * __GLX_TOTAL_CONFIG, + (char *)buf); + } + return Success; +} + +/* +** Create a GLX Pixmap from an X Pixmap. +*/ +static int CreateGLXPixmap(__GLXclientState *cl, + VisualID visual, GLXFBConfigID fbconfigId, + int screenNum, XID pixmapId, XID glxpixmapId ) +{ + ClientPtr client = cl->client; + xGLXCreateGLXPixmapReq *be_req; + xGLXCreatePixmapReq *be_new_req; + DrawablePtr pDraw; + ScreenPtr pScreen; + VisualPtr pVisual; + __GLXpixmap *pGlxPixmap; + __GLXscreenInfo *pGlxScreen; + __GLXvisualConfig *pGlxVisual; + __GLXFBConfig *pFBConfig; + int i, s, rc; + int from_screen, to_screen; +#ifdef PANORAMIX + PanoramiXRes *pXinDraw = NULL; +#endif + + rc = dixLookupDrawable(&pDraw, pixmapId, client, M_DRAWABLE_PIXMAP, + DixAddAccess); + if (rc != Success) + return rc; + + /* + ** Check if screen of visual matches screen of pixmap. + */ + pScreen = pDraw->pScreen; + if (screenNum != pScreen->myNum) { + return BadMatch; + } + + if (fbconfigId == 0 && visual == 0) { + return BadValue; + } + + if (fbconfigId != None) { + pFBConfig = glxLookupFBConfig( fbconfigId ); + if (!pFBConfig) { + client->errorValue = fbconfigId; + return BadValue; + } + visual = pFBConfig->associatedVisualId; + } + else { + pFBConfig = NULL; + } + + if (visual != None) { + /* + ** Find the VisualRec for this visual. + */ + pVisual = pScreen->visuals; + for (i=0; i < pScreen->numVisuals; i++, pVisual++) { + if (pVisual->vid == visual) { + break; + } + } + if (i == pScreen->numVisuals) { + client->errorValue = visual; + return BadValue; + } + /* + ** Check if depth of visual matches depth of pixmap. + */ + if (pVisual->nplanes != pDraw->depth) { + client->errorValue = visual; + return BadMatch; + } + + /* + ** Get configuration of the visual. + */ + pGlxScreen = &__glXActiveScreens[screenNum]; + pGlxVisual = pGlxScreen->pGlxVisual; + for (i = 0; i < pGlxScreen->numVisuals; i++, pGlxVisual++) { + if (pGlxVisual->vid == visual) { + break; + } + } + if (i == pGlxScreen->numVisuals) { + /* + ** Visual not support on this screen by this OpenGL implementation. + */ + client->errorValue = visual; + return BadValue; + } + + + /* find the FBConfig for that visual (if any) */ + if ( pFBConfig == NULL ) { + pFBConfig = glxLookupFBConfigByVID( visual ); + + if ( pFBConfig == NULL ) { + /* + * visual does not have an FBConfig ??? + client->errorValue = visual; + return BadValue; + */ + } + } + } + else { + pVisual = NULL; + pGlxVisual = NULL; + pGlxScreen = &__glXActiveScreens[pDraw->pScreen->myNum]; + } + + pGlxPixmap = (__GLXpixmap *) malloc(sizeof(__GLXpixmap)); + if (!pGlxPixmap) { + return BadAlloc; + } + pGlxPixmap->be_xids = (XID *) malloc(sizeof(XID) * screenInfo.numScreens); + if (!pGlxPixmap->be_xids) { + free( pGlxPixmap ); + return BadAlloc; + } + + pGlxPixmap->pDraw = pDraw; + pGlxPixmap->pGlxScreen = pGlxScreen; + pGlxPixmap->pGlxVisual = pGlxVisual; + pGlxPixmap->pFBConfig = pFBConfig; + pGlxPixmap->pScreen = pScreen; + pGlxPixmap->idExists = True; + pGlxPixmap->refcnt = 0; + + /* + ** Bump the ref count on the X pixmap so it won't disappear. + */ + ((PixmapPtr) pDraw)->refcnt++; + + /* + * send the request to the back-end server(s) + */ + from_screen = to_screen = screenNum; +#ifdef PANORAMIX + if (!noPanoramiXExtension) { + from_screen = 0; + to_screen = screenInfo.numScreens - 1; + + dixLookupResourceByClass((pointer*) &pXinDraw, + pDraw->id, XRC_DRAWABLE, + client, DixReadAccess); + } +#endif + + for (s=from_screen; s<=to_screen; s++) { + + DMXScreenInfo *dmxScreen = &dmxScreens[s]; + Display *dpy = GetBackEndDisplay(cl,s); + Pixmap be_pixmap; + DrawablePtr pRealDraw = pDraw; + +#ifdef PANORAMIX + if (pXinDraw) { + dixLookupDrawable(&pRealDraw, pXinDraw->info[s].id, client, 0, + DixAddAccess); + } +#endif + + be_pixmap = (DMX_GET_PIXMAP_PRIV((PixmapPtr)pRealDraw))->pixmap; + + /* make sure pixmap already created on back-end */ + dmxSync( dmxScreen, 1 ); + + if ( pFBConfig && __GLX_IS_VERSION_SUPPORTED(1,3) ) { + __GLXFBConfig *be_FBConfig = glxLookupBackEndFBConfig( pFBConfig->id, s ); + + LockDisplay(dpy); + pGlxPixmap->be_xids[s] = XAllocID(dpy); + GetReq(GLXCreatePixmap,be_new_req); + be_new_req->reqType = dmxScreen->glxMajorOpcode; + be_new_req->glxCode = X_GLXCreatePixmap; + be_new_req->screen = DefaultScreen(dpy); + be_new_req->fbconfig = be_FBConfig->id; + be_new_req->pixmap = (unsigned int)be_pixmap; + be_new_req->glxpixmap = (unsigned int)pGlxPixmap->be_xids[s]; + be_new_req->numAttribs = 0; + UnlockDisplay(dpy); + SyncHandle(); + } + else if (pFBConfig && glxIsExtensionSupported("GLX_SGIX_fbconfig")) { + __GLXFBConfig *be_FBConfig = glxLookupBackEndFBConfig( pFBConfig->id, s ); + xGLXCreateGLXPixmapWithConfigSGIXReq *ext_req; + xGLXVendorPrivateReq *vpreq; + + LockDisplay(dpy); + pGlxPixmap->be_xids[s] = XAllocID(dpy); + GetReqExtra(GLXVendorPrivate, + sz_xGLXCreateGLXPixmapWithConfigSGIXReq-sz_xGLXVendorPrivateReq, + vpreq); + ext_req = (xGLXCreateGLXPixmapWithConfigSGIXReq *)vpreq; + ext_req->reqType = dmxScreen->glxMajorOpcode; + ext_req->glxCode = X_GLXVendorPrivate; + ext_req->vendorCode = X_GLXvop_CreateGLXPixmapWithConfigSGIX; + ext_req->screen = DefaultScreen(dpy); + ext_req->fbconfig = be_FBConfig->id; + ext_req->pixmap = (unsigned int)be_pixmap; + ext_req->glxpixmap = (unsigned int)pGlxPixmap->be_xids[s]; + UnlockDisplay(dpy); + SyncHandle(); + } + else if (pGlxVisual) { + LockDisplay(dpy); + pGlxPixmap->be_xids[s] = XAllocID(dpy); + GetReq(GLXCreateGLXPixmap,be_req); + be_req->reqType = dmxScreen->glxMajorOpcode; + be_req->glxCode = X_GLXCreateGLXPixmap; + be_req->screen = DefaultScreen(dpy); + be_req->visual = (unsigned int)glxMatchGLXVisualInConfigList( + pGlxVisual, + dmxScreen->glxVisuals, + dmxScreen->numGlxVisuals ); + be_req->pixmap = (unsigned int)be_pixmap; + be_req->glxpixmap = (unsigned int)pGlxPixmap->be_xids[s]; + UnlockDisplay(dpy); + SyncHandle(); + } + else { + client->errorValue = ( visual ? visual : fbconfigId ); + free( pGlxPixmap ); + return BadValue; + } + + XFlush( dpy ); + } + + if (!(AddResource(glxpixmapId, __glXPixmapRes, pGlxPixmap))) { + free( pGlxPixmap ); + return BadAlloc; + } + + return Success; +} + +int __glXCreateGLXPixmap(__GLXclientState *cl, GLbyte *pc) +{ + xGLXCreateGLXPixmapReq *req = (xGLXCreateGLXPixmapReq *) pc; + + return( CreateGLXPixmap(cl, req->visual, None, + req->screen, req->pixmap, req->glxpixmap) ); +} + +int __glXCreatePixmap(__GLXclientState *cl, GLbyte *pc) +{ + xGLXCreatePixmapReq *req = (xGLXCreatePixmapReq *) pc; + + return( CreateGLXPixmap(cl, None, req->fbconfig, + req->screen, req->pixmap, req->glxpixmap) ); +} + +int __glXDestroyGLXPixmap(__GLXclientState *cl, GLbyte *pc) +{ + ClientPtr client = cl->client; + xGLXDestroyGLXPixmapReq *req = (xGLXDestroyGLXPixmapReq *) pc; + XID glxpixmap = req->glxpixmap; + __GLXpixmap *pGlxPixmap; + int s; + int from_screen, to_screen; + + /* + ** Check if it's a valid GLX pixmap. + */ + dixLookupResourceByType((pointer*) &pGlxPixmap, glxpixmap, + __glXPixmapRes, NullClient, DixUnknownAccess); + if (!pGlxPixmap) { + client->errorValue = glxpixmap; + return __glXBadPixmap; + } + FreeResource(glxpixmap, FALSE); + + /* + * destroy the pixmap on the back-end server(s). + */ + from_screen = to_screen = pGlxPixmap->pDraw->pScreen->myNum; +#ifdef PANORAMIX + if (!noPanoramiXExtension) { + from_screen = 0; + to_screen = screenInfo.numScreens - 1; + } +#endif + + for (s=from_screen; s<=to_screen; s++) { + DMXScreenInfo *dmxScreen = &dmxScreens[s]; + Display *dpy = GetBackEndDisplay(cl,s); + + /* make sure pixmap exist in back-end */ + dmxSync( dmxScreen, 1 ); + + LockDisplay(dpy); + GetReq(GLXDestroyGLXPixmap,req); + req->reqType = dmxScreen->glxMajorOpcode; + req->glxCode = X_GLXDestroyGLXPixmap; + req->glxpixmap = (unsigned int)pGlxPixmap->be_xids[s]; + UnlockDisplay(dpy); + SyncHandle(); + } + + + return Success; +} + +/*****************************************************************************/ + +/* +** NOTE: There is no portable implementation for swap buffers as of +** this time that is of value. Consequently, this code must be +** implemented by somebody other than SGI. +*/ +int __glXDoSwapBuffers(__GLXclientState *cl, XID drawId, GLXContextTag tag) +{ + ClientPtr client = cl->client; + DrawablePtr pDraw; + xGLXSwapBuffersReq *be_req; + WindowPtr pWin = NULL; + __GLXpixmap *pGlxPixmap = NULL; + __GLXcontext *glxc = NULL; +#ifdef PANORAMIX + PanoramiXRes *pXinDraw = NULL; +#endif + __glXWindow *pGlxWindow = NULL; + int from_screen = 0; + int to_screen = 0; + int s, rc; + + /* + ** Check that the GLX drawable is valid. + */ + rc = dixLookupDrawable(&pDraw, drawId, client, 0, DixWriteAccess); + if (rc == Success) { + from_screen = to_screen = pDraw->pScreen->myNum; + + if (pDraw->type == DRAWABLE_WINDOW) { + /* + ** Drawable is an X window. + */ + pWin = (WindowPtr)pDraw; + } else { + /* + ** Drawable is an X pixmap, which is not allowed. + */ + client->errorValue = drawId; + return __glXBadDrawable; + } + } + + if (!pDraw) { + dixLookupResourceByType((pointer*) &pGlxPixmap, drawId, + __glXPixmapRes, NullClient, DixUnknownAccess); + if (pGlxPixmap) { + /* + ** Drawable is a GLX pixmap. + */ + pDraw = pGlxPixmap->pDraw; + from_screen = to_screen = pGlxPixmap->pScreen->myNum; + } + } + + if (!pDraw && __GLX_IS_VERSION_SUPPORTED(1,3) ) { + dixLookupResourceByType((pointer*) &pGlxWindow, drawId, + __glXWindowRes, NullClient, DixUnknownAccess); + if (pGlxWindow) { + /* + ** Drawable is a GLXWindow. + */ + pDraw = pGlxWindow->pDraw; + from_screen = to_screen = pGlxWindow->pScreen->myNum; + } + } + + if (!pDraw) { + /* + ** Drawable is neither a X window nor a GLX pixmap. + */ + client->errorValue = drawId; + return __glXBadDrawable; + } + + if (tag) { + glxc = __glXLookupContextByTag(cl, tag); + if (!glxc) { + return __glXBadContextTag; + } + } + +#ifdef PANORAMIX + if (!noPanoramiXExtension) { + from_screen = 0; + to_screen = screenInfo.numScreens - 1; + dixLookupResourceByClass((pointer*) &pXinDraw, + pDraw->id, XRC_DRAWABLE, + client, DixReadAccess); + } +#endif + + /* If requested, send a glFinish to all back-end servers before swapping. */ + if (dmxGLXFinishSwap) { + for (s=from_screen; s<=to_screen; s++) { + Display *dpy = GetBackEndDisplay(cl,s); + DMXScreenInfo *dmxScreen = &dmxScreens[s]; + xGLXSingleReq *finishReq; + xGLXSingleReply reply; + +#define X_GLXSingle 0 /* needed by GetReq below */ + + LockDisplay(dpy); + GetReq(GLXSingle,finishReq); + finishReq->reqType = dmxScreen->glxMajorOpcode; + finishReq->glxCode = X_GLsop_Finish; + finishReq->contextTag = (tag ? GetCurrentBackEndTag(cl,tag,s) : 0); + (void) _XReply(dpy, (xReply*) &reply, 0, False); + UnlockDisplay(dpy); + SyncHandle(); + } + } + + /* If requested, send an XSync to all back-end servers before swapping. */ + if (dmxGLXSyncSwap) { + for (s=from_screen; s<=to_screen; s++) + XSync(GetBackEndDisplay(cl,s), False); + } + + + /* send the SwapBuffers request to all back-end servers */ + + for (s=from_screen; s<=to_screen; s++) { + DMXScreenInfo *dmxScreen = &dmxScreens[s]; + Display *dpy = GetBackEndDisplay(cl,s); + unsigned int be_draw = 0; + + if (pGlxPixmap) { + be_draw = (unsigned int)pGlxPixmap->be_xids[s]; + } +#ifdef PANORAMIX + else if (pXinDraw) { + dixLookupWindow(&pWin, pXinDraw->info[s].id, client, DixReadAccess); + } +#endif + else if (pGlxWindow) { + pWin = (WindowPtr)pGlxWindow->pDraw; + } + + if (pWin && !be_draw) { + be_draw = (unsigned int)(DMX_GET_WINDOW_PRIV(pWin))->window; + if (!be_draw) { + /* it might be that the window did not created yet on the */ + /* back-end server (lazy window creation option), force */ + /* creation of the window */ + dmxCreateAndRealizeWindow( pWin, TRUE ); + be_draw = (unsigned int)(DMX_GET_WINDOW_PRIV(pWin))->window; + } + } + + dmxSync( dmxScreen, 1 ); + + LockDisplay(dpy); + GetReq(GLXSwapBuffers,be_req); + be_req->reqType = dmxScreen->glxMajorOpcode; + be_req->glxCode = X_GLXSwapBuffers; + be_req->drawable = be_draw; + be_req->contextTag = ( tag ? GetCurrentBackEndTag(cl,tag,s) : 0 ); + UnlockDisplay(dpy); + SyncHandle(); + XFlush(dpy); + } + + return Success; +} + +int __glXSwapBuffers(__GLXclientState *cl, GLbyte *pc) +{ + ClientPtr client = cl->client; + DrawablePtr pDraw; + xGLXSwapBuffersReq *req = (xGLXSwapBuffersReq *) pc; + GLXContextTag tag = req->contextTag; + XID drawId = req->drawable; + __GLXpixmap *pGlxPixmap = NULL; + __GLXcontext *glxc = NULL; + __glXWindow *pGlxWindow = NULL; + int rc; + + /* + ** Check that the GLX drawable is valid. + */ + rc = dixLookupDrawable(&pDraw, drawId, client, 0, DixWriteAccess); + if (rc == Success) { + if (pDraw->type != DRAWABLE_WINDOW) { + /* + ** Drawable is an X pixmap, which is not allowed. + */ + client->errorValue = drawId; + return __glXBadDrawable; + } + } + + if (!pDraw) { + dixLookupResourceByType((pointer*) &pGlxPixmap, drawId, + __glXPixmapRes, NullClient, DixUnknownAccess); + if (pGlxPixmap) { + /* + ** Drawable is a GLX pixmap. + */ + pDraw = pGlxPixmap->pDraw; + } + } + + if (!pDraw && __GLX_IS_VERSION_SUPPORTED(1,3) ) { + dixLookupResourceByType((pointer*) &pGlxWindow, drawId, + __glXWindowRes, NullClient, DixUnknownAccess); + if (pGlxWindow) { + /* + ** Drawable is a GLXWindow. + */ + pDraw = pGlxWindow->pDraw; + } + } + + if (!pDraw) { + /* + ** Drawable is neither a X window nor a GLX pixmap. + */ + client->errorValue = drawId; + return __glXBadDrawable; + } + + if (tag) { + glxc = __glXLookupContextByTag(cl, tag); + if (!glxc) { + return __glXBadContextTag; + } + } + + if (pDraw && + pDraw->type == DRAWABLE_WINDOW && + DMX_GET_WINDOW_PRIV((WindowPtr)pDraw)->swapGroup) { + return SGSwapBuffers(cl, drawId, tag, pDraw); + } + + return __glXDoSwapBuffers(cl, drawId, tag); +} + + +/************************************************************************/ + +/* +** Render and Renderlarge are not in the GLX API. They are used by the GLX +** client library to send batches of GL rendering commands. +*/ + +/* +** Execute all the drawing commands in a request. +*/ +int __glXRender(__GLXclientState *cl, GLbyte *pc) +{ + xGLXRenderReq *req; + xGLXRenderReq *be_req; + int size; + __GLXcontext *glxc; + int from_screen = 0; + int to_screen = 0; + int s; + + /* + ** NOTE: much of this code also appears in the byteswapping version of this + ** routine, __glXSwapRender(). Any changes made here should also be + ** duplicated there. + */ + + req = (xGLXRenderReq *) pc; + + glxc = __glXLookupContextByTag(cl, req->contextTag); + if (!glxc) { + return 0; + } + from_screen = to_screen = glxc->pScreen->myNum; + +#ifdef PANORAMIX + if (!noPanoramiXExtension) { + from_screen = 0; + to_screen = screenInfo.numScreens - 1; + } +#endif + + pc += sz_xGLXRenderReq; + size = (req->length << 2) - sz_xGLXRenderReq; + + /* + * just forward the request to back-end server(s) + */ + for (s=from_screen; s<=to_screen; s++) { + DMXScreenInfo *dmxScreen = &dmxScreens[s]; + Display *dpy = GetBackEndDisplay(cl,s); + + LockDisplay(dpy); + GetReq(GLXRender,be_req); + be_req->reqType = dmxScreen->glxMajorOpcode; + be_req->glxCode = X_GLXRender; + be_req->length = req->length; + be_req->contextTag = GetCurrentBackEndTag(cl,req->contextTag,s); + _XSend(dpy, (const char *)pc, size); + UnlockDisplay(dpy); + SyncHandle(); + } + + return Success; +} + +/* +** Execute a large rendering request (one that spans multiple X requests). +*/ +int __glXRenderLarge(__GLXclientState *cl, GLbyte *pc) +{ + xGLXRenderLargeReq *req; + xGLXRenderLargeReq *be_req; + __GLXcontext *glxc; + int from_screen = 0; + int to_screen = 0; + int s; + + /* + ** NOTE: much of this code also appears in the byteswapping version of this + ** routine, __glXSwapRenderLarge(). Any changes made here should also be + ** duplicated there. + */ + + req = (xGLXRenderLargeReq *) pc; + glxc = __glXLookupContextByTag(cl, req->contextTag); + if (!glxc) { + return 0; + } + from_screen = to_screen = glxc->pScreen->myNum; + +#ifdef PANORAMIX + if (!noPanoramiXExtension) { + from_screen = 0; + to_screen = screenInfo.numScreens - 1; + } +#endif + + pc += sz_xGLXRenderLargeReq; + + /* + * just forward the request to back-end server(s) + */ + for (s=from_screen; s<=to_screen; s++) { + DMXScreenInfo *dmxScreen = &dmxScreens[s]; + Display *dpy = GetBackEndDisplay(cl,s); + + GetReq(GLXRenderLarge,be_req); + be_req->reqType = dmxScreen->glxMajorOpcode; + be_req->glxCode = X_GLXRenderLarge; + be_req->contextTag = GetCurrentBackEndTag(cl,req->contextTag,s); + be_req->length = req->length; + be_req->requestNumber = req->requestNumber; + be_req->requestTotal = req->requestTotal; + be_req->dataBytes = req->dataBytes; + Data(dpy, (const char *)pc, req->dataBytes); + UnlockDisplay(dpy); + SyncHandle(); + + } + + return Success; +} + + +/************************************************************************/ + +int __glXVendorPrivate(__GLXclientState *cl, GLbyte *pc) +{ + xGLXVendorPrivateReq *req; + + req = (xGLXVendorPrivateReq *) pc; + + switch( req->vendorCode ) { + + case X_GLvop_DeleteTexturesEXT: + return __glXVForwardSingleReq( cl, pc ); + break; + + case X_GLXvop_SwapIntervalSGI: + if (glxIsExtensionSupported("SGI_swap_control")) { + return __glXVForwardSingleReq( cl, pc ); + } + else { + return Success; + } + break; + +#if 0 /* glx 1.3 */ + case X_GLXvop_CreateGLXVideoSourceSGIX: + break; + case X_GLXvop_DestroyGLXVideoSourceSGIX: + break; + case X_GLXvop_CreateGLXPixmapWithConfigSGIX: + break; + case X_GLXvop_DestroyGLXPbufferSGIX: + break; + case X_GLXvop_ChangeDrawableAttributesSGIX: + break; +#endif + + case X_GLXvop_BindSwapBarrierSGIX: + return __glXBindSwapBarrierSGIX( cl, pc ); + break; + + case X_GLXvop_JoinSwapGroupSGIX: + return __glXJoinSwapGroupSGIX( cl, pc ); + break; + + case X_GLXvop_CreateContextWithConfigSGIX: + return __glXCreateContextWithConfigSGIX( cl, pc ); + break; + + default: + /* + ** unsupported private request + */ + cl->client->errorValue = req->vendorCode; + return __glXUnsupportedPrivateRequest; + } + + cl->client->errorValue = req->vendorCode; + return __glXUnsupportedPrivateRequest; + +} + +int __glXVendorPrivateWithReply(__GLXclientState *cl, GLbyte *pc) +{ + xGLXVendorPrivateWithReplyReq *req; + + req = (xGLXVendorPrivateWithReplyReq *) pc; + + switch( req->vendorCode ) { + + case X_GLvop_GetConvolutionFilterEXT: + case X_GLvop_GetConvolutionParameterfvEXT: + case X_GLvop_GetConvolutionParameterivEXT: + case X_GLvop_GetSeparableFilterEXT: + case X_GLvop_GetHistogramEXT: + case X_GLvop_GetHistogramParameterivEXT: + case X_GLvop_GetMinmaxEXT: + case X_GLvop_GetMinmaxParameterfvEXT: + case X_GLvop_GetMinmaxParameterivEXT: + case X_GLvop_AreTexturesResidentEXT: + case X_GLvop_IsTextureEXT: + return( __glXVForwardPipe0WithReply(cl, pc) ); + break; + + case X_GLvop_GenTexturesEXT: + return( __glXVForwardAllWithReply(cl, pc) ); + break; + + +#if 0 /* glx1.3 */ + case X_GLvop_GetDetailTexFuncSGIS: + case X_GLvop_GetSharpenTexFuncSGIS: + case X_GLvop_GetColorTableSGI: + case X_GLvop_GetColorTableParameterfvSGI: + case X_GLvop_GetColorTableParameterivSGI: + case X_GLvop_GetTexFilterFuncSGIS: + case X_GLvop_GetInstrumentsSGIX: + case X_GLvop_InstrumentsBufferSGIX: + case X_GLvop_PollInstrumentsSGIX: + case X_GLvop_FlushRasterSGIX: + case X_GLXvop_CreateGLXPbufferSGIX: + case X_GLXvop_GetDrawableAttributesSGIX: + case X_GLXvop_QueryHyperpipeNetworkSGIX: + case X_GLXvop_QueryHyperpipeConfigSGIX: + case X_GLXvop_HyperpipeConfigSGIX: + case X_GLXvop_DestroyHyperpipeConfigSGIX: +#endif + case X_GLXvop_QueryMaxSwapBarriersSGIX: + return( __glXQueryMaxSwapBarriersSGIX(cl, pc) ); + break; + + case X_GLXvop_GetFBConfigsSGIX: + return( __glXGetFBConfigsSGIX(cl, pc) ); + break; + + case X_GLXvop_MakeCurrentReadSGI: + return( __glXMakeCurrentReadSGI(cl, pc) ); + break; + + case X_GLXvop_QueryContextInfoEXT: + return( __glXQueryContextInfoEXT(cl,pc) ); + break; + + default: + /* + ** unsupported private request + */ + cl->client->errorValue = req->vendorCode; + return __glXUnsupportedPrivateRequest; + } + +} + +int __glXQueryExtensionsString(__GLXclientState *cl, GLbyte *pc) +{ + ClientPtr client = cl->client; + xGLXQueryExtensionsStringReq *req = (xGLXQueryExtensionsStringReq *) pc; + xGLXQueryExtensionsStringReply reply; + GLint screen; + size_t length; + int len, numbytes; + char *be_buf; + +#ifdef FWD_QUERY_REQ + xGLXQueryExtensionsStringReq *be_req; + xGLXQueryExtensionsStringReply be_reply; + DMXScreenInfo *dmxScreen; + Display *dpy; + int slop; +#endif + + screen = req->screen; + + /* + ** Check if screen exists. + */ + if ((screen < 0) || (screen >= screenInfo.numScreens)) { + client->errorValue = screen; + return BadValue; + } + +#ifdef FWD_QUERY_REQ + dmxScreen = &dmxScreens[screen]; + + /* Send the glXQueryServerString request */ + dpy = GetBackEndDisplay(cl,screen); + LockDisplay(dpy); + GetReq(GLXQueryExtensionsString,be_req); + be_req->reqType = dmxScreen->glxMajorOpcode; + be_req->glxCode = X_GLXQueryServerString; + be_req->screen = DefaultScreen(dpy); + _XReply(dpy, (xReply*) &be_reply, 0, False); + len = (int)be_reply.length; + numbytes = (int)be_reply.n; + slop = numbytes * __GLX_SIZE_INT8 & 3; + be_buf = (char *)malloc(numbytes); + if (!be_buf) { + /* Throw data on the floor */ + _XEatData(dpy, len); + } else { + _XRead(dpy, (char *)be_buf, numbytes); + if (slop) _XEatData(dpy,4-slop); + } + UnlockDisplay(dpy); + SyncHandle(); + +#else + + be_buf = __glXGetServerString(GLX_EXTENSIONS); + numbytes = strlen(be_buf) + 1; + len = __GLX_PAD(numbytes) >> 2; + +#endif + + length = len; + reply.type = X_Reply; + reply.sequenceNumber = client->sequence; + reply.length = len; + reply.n = numbytes; + + if (client->swapped) { + glxSwapQueryExtensionsStringReply(client, &reply, be_buf); + } else { + WriteToClient(client, sz_xGLXQueryExtensionsStringReply,(char *)&reply); + WriteToClient(client, (int)(length << 2), (char *)be_buf); + } + + return Success; +} + +int __glXQueryServerString(__GLXclientState *cl, GLbyte *pc) +{ + ClientPtr client = cl->client; + xGLXQueryServerStringReq *req = (xGLXQueryServerStringReq *) pc; + xGLXQueryServerStringReply reply; + int name; + GLint screen; + size_t length; + int len, numbytes; + char *be_buf; +#ifdef FWD_QUERY_REQ + xGLXQueryServerStringReq *be_req; + xGLXQueryServerStringReply be_reply; + DMXScreenInfo *dmxScreen; + Display *dpy; + int slop; +#endif + + name = req->name; + screen = req->screen; + /* + ** Check if screen exists. + */ + if ((screen < 0) || (screen >= screenInfo.numScreens)) { + client->errorValue = screen; + return BadValue; + } + +#ifdef FWD_QUERY_REQ + dmxScreen = &dmxScreens[screen]; + + /* Send the glXQueryServerString request */ + dpy = GetBackEndDisplay(cl,screen); + LockDisplay(dpy); + GetReq(GLXQueryServerString,be_req); + be_req->reqType = dmxScreen->glxMajorOpcode; + be_req->glxCode = X_GLXQueryServerString; + be_req->screen = DefaultScreen(dpy); + be_req->name = name; + _XReply(dpy, (xReply*) &be_reply, 0, False); + len = (int)be_reply.length; + numbytes = (int)be_reply.n; + slop = numbytes * __GLX_SIZE_INT8 & 3; + be_buf = (char *)malloc(numbytes); + if (!be_buf) { + /* Throw data on the floor */ + _XEatData(dpy, len); + } else { + _XRead(dpy, (char *)be_buf, numbytes); + if (slop) _XEatData(dpy,4-slop); + } + UnlockDisplay(dpy); + SyncHandle(); + +#else + be_buf = __glXGetServerString(name); + numbytes = strlen(be_buf) + 1; + len = __GLX_PAD(numbytes) >> 2; +#endif + + length = len; + reply.type = X_Reply; + reply.sequenceNumber = client->sequence; + reply.length = length; + reply.n = numbytes; + + if (client->swapped) { + glxSwapQueryServerStringReply(client, &reply, be_buf); + } else { + WriteToClient(client, sz_xGLXQueryServerStringReply, (char *)&reply); + WriteToClient(client, (int)(length << 2), be_buf); + } + + return Success; +} + +int __glXClientInfo(__GLXclientState *cl, GLbyte *pc) +{ + xGLXClientInfoReq *req = (xGLXClientInfoReq *) pc; + xGLXClientInfoReq *be_req; + const char *buf; + int from_screen = 0; + int to_screen = 0; + int s; + + cl->GLClientmajorVersion = req->major; + cl->GLClientminorVersion = req->minor; + free(cl->GLClientextensions); + buf = (const char *)(req+1); + cl->GLClientextensions = strdup(buf); + + to_screen = screenInfo.numScreens - 1; + + for (s=from_screen; s<=to_screen; s++) + { + DMXScreenInfo *dmxScreen = &dmxScreens[s]; + Display *dpy = GetBackEndDisplay(cl,s); + + LockDisplay(dpy); + GetReq(GLXClientInfo,be_req); + be_req->reqType = dmxScreen->glxMajorOpcode; + be_req->glxCode = X_GLXClientInfo; + be_req->major = req->major; + be_req->minor = req->minor; + be_req->length = req->length; + be_req->numbytes = req->numbytes; + Data(dpy, buf, req->numbytes); + + UnlockDisplay(dpy); + SyncHandle(); + } + + return Success; +} + +int __glXUseXFont(__GLXclientState *cl, GLbyte *pc) +{ + ClientPtr client = cl->client; + xGLXUseXFontReq *req; + xGLXUseXFontReq *be_req; + FontPtr pFont; + __GLXcontext *glxc = NULL; + int from_screen = 0; + int to_screen = 0; + int s; + dmxFontPrivPtr pFontPriv; + DMXScreenInfo *dmxScreen; + Display *dpy; + + req = (xGLXUseXFontReq *) pc; + + if (req->contextTag != 0) { + glxc = __glXLookupContextByTag(cl, req->contextTag); + if (glxc) { + from_screen = to_screen = glxc->pScreen->myNum; + } + } + + /* + ** Font can actually be either the ID of a font or the ID of a GC + ** containing a font. + */ + dixLookupResourceByType((pointer*) &pFont, req->font, RT_FONT, + NullClient, DixUnknownAccess); + if (!pFont) { + GC *pGC; + dixLookupResourceByType((pointer*) &pGC, req->font, + RT_GC, NullClient, + DixUnknownAccess); + if (!pGC) { + client->errorValue = req->font; + return BadFont; + } + pFont = pGC->font; + } + + pFontPriv = FontGetPrivate(pFont, dmxFontPrivateIndex); + +#ifdef PANORAMIX + if (!noPanoramiXExtension) { + from_screen = 0; + to_screen = screenInfo.numScreens - 1; + } +#endif + + + for (s=from_screen; s<=to_screen; s++) { + dmxScreen = &dmxScreens[s]; + dpy = GetBackEndDisplay(cl,s); + + dmxSync( dmxScreen, 1 ); + + LockDisplay(dpy); + GetReq(GLXUseXFont,be_req); + be_req->reqType = dmxScreen->glxMajorOpcode; + be_req->glxCode = X_GLXUseXFont; + be_req->contextTag = (glxc ? GetCurrentBackEndTag(cl,req->contextTag,s) : 0); + be_req->font = pFontPriv->font[s]->fid; + be_req->first = req->first; + be_req->count = req->count; + be_req->listBase = req->listBase; + UnlockDisplay(dpy); + SyncHandle(); + + XSync( dpy, False ); + } + + return Success; +} + +/* + * start GLX 1.3 here + */ + +int __glXGetFBConfigs(__GLXclientState *cl, GLbyte *pc) +{ + ClientPtr client = cl->client; + xGLXGetFBConfigsReq *req = (xGLXGetFBConfigsReq *) pc; + xGLXGetFBConfigsReply reply; + __GLXFBConfig *pFBConfig; + CARD32 buf[2 * __GLX_TOTAL_FBCONFIG_PROPS]; + int numAttribs = __GLX_TOTAL_FBCONFIG_PROPS; + unsigned int screen = req->screen; + int numFBConfigs, i, p; + __GLXscreenInfo *pGlxScreen; + + if (screen >= screenInfo.numScreens) { + /* The client library must send a valid screen number. */ + client->errorValue = screen; + return BadValue; + } + + pGlxScreen = &__glXActiveScreens[screen]; + numFBConfigs = __glXNumFBConfigs; + + reply.numFBConfigs = numFBConfigs; + reply.numAttribs = numAttribs; + reply.length = (numFBConfigs * 2 * numAttribs * __GLX_SIZE_CARD32) >> 2; + reply.type = X_Reply; + reply.sequenceNumber = client->sequence; + + if (client->swapped) { + __GLX_DECLARE_SWAP_VARIABLES; + __GLX_SWAP_SHORT(&reply.sequenceNumber); + __GLX_SWAP_INT(&reply.length); + __GLX_SWAP_INT(&reply.numFBConfigs); + __GLX_SWAP_INT(&reply.numAttribs); + } + WriteToClient(client, sz_xGLXGetFBConfigsReply, (char *)&reply); + + for (i=0; i < numFBConfigs; i++) { + int associatedVisualId = 0; + int drawableTypeIndex; + pFBConfig = __glXFBConfigs[ i * (screenInfo.numScreens+1) ]; + + p = 0; + /* core attributes */ + buf[p++] = GLX_FBCONFIG_ID; + buf[p++] = pFBConfig->id; + buf[p++] = GLX_BUFFER_SIZE; + buf[p++] = pFBConfig->indexBits; + buf[p++] = GLX_LEVEL; + buf[p++] = pFBConfig->level; + buf[p++] = GLX_DOUBLEBUFFER; + buf[p++] = pFBConfig->doubleBufferMode; + buf[p++] = GLX_STEREO; + buf[p++] = pFBConfig->stereoMode; + buf[p++] = GLX_AUX_BUFFERS; + buf[p++] = pFBConfig->maxAuxBuffers; + buf[p++] = GLX_RED_SIZE; + buf[p++] = pFBConfig->redBits; + buf[p++] = GLX_GREEN_SIZE; + buf[p++] = pFBConfig->greenBits; + buf[p++] = GLX_BLUE_SIZE; + buf[p++] = pFBConfig->blueBits; + buf[p++] = GLX_ALPHA_SIZE; + buf[p++] = pFBConfig->alphaBits; + buf[p++] = GLX_DEPTH_SIZE; + buf[p++] = pFBConfig->depthBits; + buf[p++] = GLX_STENCIL_SIZE; + buf[p++] = pFBConfig->stencilBits; + buf[p++] = GLX_ACCUM_RED_SIZE; + buf[p++] = pFBConfig->accumRedBits; + buf[p++] = GLX_ACCUM_GREEN_SIZE; + buf[p++] = pFBConfig->accumGreenBits; + buf[p++] = GLX_ACCUM_BLUE_SIZE; + buf[p++] = pFBConfig->accumBlueBits; + buf[p++] = GLX_ACCUM_ALPHA_SIZE; + buf[p++] = pFBConfig->accumAlphaBits; + buf[p++] = GLX_RENDER_TYPE; + buf[p++] = pFBConfig->renderType; + buf[p++] = GLX_DRAWABLE_TYPE; + drawableTypeIndex = p; + buf[p++] = pFBConfig->drawableType; + buf[p++] = GLX_X_VISUAL_TYPE; + buf[p++] = pFBConfig->visualType; + buf[p++] = GLX_CONFIG_CAVEAT; + buf[p++] = pFBConfig->visualCaveat; + buf[p++] = GLX_TRANSPARENT_TYPE; + buf[p++] = pFBConfig->transparentType; + buf[p++] = GLX_TRANSPARENT_RED_VALUE; + buf[p++] = pFBConfig->transparentRed; + buf[p++] = GLX_TRANSPARENT_GREEN_VALUE; + buf[p++] = pFBConfig->transparentGreen; + buf[p++] = GLX_TRANSPARENT_BLUE_VALUE; + buf[p++] = pFBConfig->transparentBlue; + buf[p++] = GLX_TRANSPARENT_ALPHA_VALUE; + buf[p++] = pFBConfig->transparentAlpha; + buf[p++] = GLX_TRANSPARENT_INDEX_VALUE; + buf[p++] = pFBConfig->transparentIndex; + buf[p++] = GLX_MAX_PBUFFER_WIDTH; + buf[p++] = pFBConfig->maxPbufferWidth; + buf[p++] = GLX_MAX_PBUFFER_HEIGHT; + buf[p++] = pFBConfig->maxPbufferHeight; + buf[p++] = GLX_MAX_PBUFFER_PIXELS; + buf[p++] = pFBConfig->maxPbufferPixels; + + /* + * find the visual of the back-end server and match a visual + * on the proxy. + * do only once - if a visual is not yet associated. + */ + if (pFBConfig->associatedVisualId == (unsigned int)-1) { + DMXScreenInfo *dmxScreen = &dmxScreens[screen]; + __GLXFBConfig *be_pFBConfig = __glXFBConfigs[ i * (screenInfo.numScreens+1)+screen+1 ]; + __GLXvisualConfig *pGlxVisual = NULL; + int v; + int found = 0; + for (v=0; v<dmxScreen->numGlxVisuals; v++) { + if (dmxScreen->glxVisuals[v].vid == be_pFBConfig->associatedVisualId) { + pGlxVisual = &dmxScreen->glxVisuals[v]; + break; + } + } + + if (pGlxVisual) { + for (v=0; v<pGlxScreen->numVisuals; v++) { + if (glxVisualsMatch(&pGlxScreen->pGlxVisual[v], pGlxVisual)) { + associatedVisualId = pGlxScreen->pGlxVisual[v].vid; + found = 1; + break; + } + } + } + + if (!found) { + associatedVisualId = 0; + pFBConfig->drawableType &= ~(GLX_WINDOW_BIT); + buf[drawableTypeIndex] = pFBConfig->drawableType; + } +#ifdef PANORAMIX + else if (!noPanoramiXExtension) { + /* convert the associated visualId to the panoramix one */ + pFBConfig->associatedVisualId = + PanoramiXTranslateVisualID(screen, v); + } +#endif + } + else { + associatedVisualId = pFBConfig->associatedVisualId; + } + + buf[p++] = GLX_VISUAL_ID; + buf[p++] = associatedVisualId; + + /* SGIS_multisample attributes */ + buf[p++] = GLX_SAMPLES_SGIS; + buf[p++] = pFBConfig->multiSampleSize; + buf[p++] = GLX_SAMPLE_BUFFERS_SGIS; + buf[p++] = pFBConfig->nMultiSampleBuffers; + + /* SGIX_pbuffer specific attributes */ + buf[p++] = GLX_OPTIMAL_PBUFFER_WIDTH_SGIX; + buf[p++] = pFBConfig->optimalPbufferWidth; + buf[p++] = GLX_OPTIMAL_PBUFFER_HEIGHT_SGIX; + buf[p++] = pFBConfig->optimalPbufferHeight; + + buf[p++] = GLX_VISUAL_SELECT_GROUP_SGIX; + buf[p++] = pFBConfig->visualSelectGroup; + + if (client->swapped) { + __GLX_DECLARE_SWAP_VARIABLES; + __GLX_DECLARE_SWAP_ARRAY_VARIABLES; + __GLX_SWAP_INT_ARRAY((int *)buf, 2*numAttribs); + } + WriteToClient(client, 2*numAttribs * __GLX_SIZE_CARD32, (char *)buf); + } + return Success; +} + +int __glXGetFBConfigsSGIX(__GLXclientState *cl, GLbyte *pc) +{ + xGLXGetFBConfigsSGIXReq *req = (xGLXGetFBConfigsSGIXReq *)pc; + xGLXGetFBConfigsReq new_req; + + new_req.reqType = req->reqType; + new_req.glxCode = req->glxCode; + new_req.length = req->length; + new_req.screen = req->screen; + + return( __glXGetFBConfigs( cl, (GLbyte *)&new_req ) ); +} + + +int __glXCreateWindow(__GLXclientState *cl, GLbyte *pc) +{ + ClientPtr client = cl->client; + xGLXCreateWindowReq *req = (xGLXCreateWindowReq *) pc; + int screen = req->screen; + GLXFBConfigID fbconfigId = req->fbconfig; + XID windowId = req->window; + XID glxwindowId = req->glxwindow; + DrawablePtr pDraw; + ScreenPtr pScreen; + __glXWindow *pGlxWindow; + __GLXFBConfig *pGlxFBConfig = NULL; + VisualPtr pVisual; + VisualID visId; + int i, rc; + pointer val; + + /* + ** Check if windowId is valid + */ + rc = dixLookupDrawable(&pDraw, windowId, client, M_DRAWABLE_WINDOW, + DixAddAccess); + if (rc != Success) + return rc; + + /* + ** Check if screen of window matches screen of fbconfig. + */ + pScreen = pDraw->pScreen; + if (screen != pScreen->myNum) { + return BadMatch; + } + + /* + ** Find the FBConfigRec for this fbconfigid. + */ + if (!(pGlxFBConfig = glxLookupFBConfig(fbconfigId))) { + client->errorValue = fbconfigId; + return __glXBadFBConfig; + } + visId = pGlxFBConfig->associatedVisualId; + + /* + ** Check if the fbconfig supports rendering to windows + */ + if( !(pGlxFBConfig->drawableType & GLX_WINDOW_BIT) ) { + return BadMatch; + } + + if (visId != None) { + /* + ** Check if the visual ID is valid for this screen. + */ + pVisual = pScreen->visuals; + for (i = 0; i < pScreen->numVisuals; i++, pVisual++) { + if (pVisual->vid == visId) { + break; + } + } + if (i == pScreen->numVisuals) { + client->errorValue = visId; + return BadValue; + } + + /* + ** Check if color buffer depth of fbconfig matches depth + ** of window. + */ + if (pVisual->nplanes != pDraw->depth) { + return BadMatch; + } + } else + /* + ** The window was created with no visual that corresponds + ** to fbconfig + */ + return BadMatch; + + /* + ** Check if there is already a fbconfig associated with this window + */ + if (Success == dixLookupResourceByType(&val, + glxwindowId, __glXWindowRes, + NullClient, DixUnknownAccess)) { + client->errorValue = glxwindowId; + return BadAlloc; + } + + pGlxWindow = (__glXWindow *) malloc(sizeof(__glXWindow)); + if (!pGlxWindow) { + return BadAlloc; + } + + /* + ** Register this GLX window as a resource + */ + if (!(AddResource(glxwindowId, __glXWindowRes, pGlxWindow))) { + return BadAlloc; + } + + pGlxWindow->pDraw = pDraw; + pGlxWindow->type = GLX_GLXWINDOW_TYPE; + pGlxWindow->idExists = True; + pGlxWindow->refcnt = 0; + pGlxWindow->pGlxFBConfig = pGlxFBConfig; + pGlxWindow->pScreen = pScreen; + + return Success; +} + +int __glXDestroyWindow(__GLXclientState *cl, GLbyte *pc) +{ + ClientPtr client = cl->client; + xGLXDestroyWindowReq *req = (xGLXDestroyWindowReq *) pc; + XID glxwindow = req->glxwindow; + pointer val; + + /* + ** Check if it's a valid GLX window. + */ + if (Success != dixLookupResourceByType(&val, + glxwindow, __glXWindowRes, + NullClient, DixUnknownAccess)) { + client->errorValue = glxwindow; + return __glXBadDrawable; + } + /* + ** The glx window destructor will check whether it's current before + ** freeing anything. + */ + FreeResource(glxwindow, RT_NONE); + + return Success; +} + +int __glXQueryContext(__GLXclientState *cl, GLbyte *pc) +{ + ClientPtr client = cl->client; + __GLXcontext *ctx; + xGLXQueryContextReq *req; + xGLXQueryContextReply reply; + int nProps; + int *sendBuf, *pSendBuf; + int nReplyBytes; + + req = (xGLXQueryContextReq *)pc; + dixLookupResourceByType((pointer*) &ctx, req->context, __glXContextRes, + NullClient, DixUnknownAccess); + if (!ctx) { + client->errorValue = req->context; + return __glXBadContext; + } + + nProps = 3; + + reply.length = nProps << 1; + reply.type = X_Reply; + reply.sequenceNumber = client->sequence; + reply.n = nProps; + + nReplyBytes = reply.length << 2; + sendBuf = (int *)malloc(nReplyBytes); + pSendBuf = sendBuf; + *pSendBuf++ = GLX_FBCONFIG_ID; + *pSendBuf++ = (int)(ctx->pFBConfig->id); + *pSendBuf++ = GLX_RENDER_TYPE; + *pSendBuf++ = (int)(ctx->pFBConfig->renderType); + *pSendBuf++ = GLX_SCREEN; + *pSendBuf++ = (int)(ctx->pScreen->myNum); + + if (client->swapped) { + __glXSwapQueryContextReply(client, &reply, sendBuf); + } else { + WriteToClient(client, sz_xGLXQueryContextReply, (char *)&reply); + WriteToClient(client, nReplyBytes, (char *)sendBuf); + } + free((char *)sendBuf); + + return Success; +} + +int __glXQueryContextInfoEXT(__GLXclientState *cl, GLbyte *pc) +{ + ClientPtr client = cl->client; + __GLXcontext *ctx; + xGLXQueryContextInfoEXTReq *req; + xGLXQueryContextInfoEXTReply reply; + int nProps; + int *sendBuf, *pSendBuf; + int nReplyBytes; + + req = (xGLXQueryContextInfoEXTReq *)pc; + dixLookupResourceByType((pointer*) &ctx, + req->context, __glXContextRes, + client, DixReadAccess); + + if (!ctx) { + client->errorValue = req->context; + return __glXBadContext; + } + + nProps = 4; + + reply.length = nProps << 1; + reply.type = X_Reply; + reply.sequenceNumber = client->sequence; + reply.n = nProps; + + nReplyBytes = reply.length << 2; + sendBuf = (int *)malloc(nReplyBytes); + pSendBuf = sendBuf; + *pSendBuf++ = GLX_SHARE_CONTEXT_EXT; + *pSendBuf++ = (int)(ctx->share_id); + *pSendBuf++ = GLX_VISUAL_ID_EXT; + *pSendBuf++ = (int)(ctx->pVisual ? ctx->pVisual->vid : 0); + *pSendBuf++ = GLX_SCREEN_EXT; + *pSendBuf++ = (int)(ctx->pScreen->myNum); + *pSendBuf++ = GLX_FBCONFIG_ID; + *pSendBuf++ = (int)(ctx->pFBConfig ? ctx->pFBConfig->id : 0); + + if (client->swapped) { + __glXSwapQueryContextInfoEXTReply(client, &reply, sendBuf); + } else { + WriteToClient(client, sz_xGLXQueryContextInfoEXTReply, (char *)&reply); + WriteToClient(client, nReplyBytes, (char *)sendBuf); + } + free((char *)sendBuf); + + return Success; +} + +int __glXCreatePbuffer(__GLXclientState *cl, GLbyte *pc) +{ + ClientPtr client = cl->client; + xGLXCreatePbufferReq *req = (xGLXCreatePbufferReq *)pc; + xGLXCreatePbufferReq *be_req; + int screen = req->screen; + GLXFBConfigID fbconfigId = req->fbconfig; + GLXPbuffer pbuffer = req->pbuffer; + __glXPbuffer *pGlxPbuffer; + int numAttribs = req->numAttribs; + int *attr; + ScreenPtr pScreen; + __GLXFBConfig *pGlxFBConfig; + __GLXFBConfig *be_pGlxFBConfig; + XID be_xid; + Display *dpy; + DMXScreenInfo *dmxScreen; + int s; + int from_screen, to_screen; + + /* + ** Look up screen and FBConfig. + */ + if (screen >= screenInfo.numScreens) { + /* The client library must send a valid screen number. */ + client->errorValue = screen; + return BadValue; + } + pScreen = screenInfo.screens[screen]; + + /* + ** Find the FBConfigRec for this fbconfigid. + */ + if (!(pGlxFBConfig = glxLookupFBConfig(fbconfigId))) { + client->errorValue = fbconfigId; + return __glXBadFBConfig; + } + + /* + ** Create the GLX part of the Pbuffer. + */ + pGlxPbuffer = (__glXPbuffer *) malloc(sizeof(__glXPbuffer)); + if (!pGlxPbuffer) { + return BadAlloc; + } + + pGlxPbuffer->be_xids = (XID *) malloc( sizeof(XID) * screenInfo.numScreens ); + if (!pGlxPbuffer->be_xids) { + free(pGlxPbuffer); + return BadAlloc; + } + + /* + * Allocate an XID on the back-end server(s) and send him the request + */ + from_screen = to_screen = screen; +#ifdef PANORAMIX + if (!noPanoramiXExtension) { + from_screen = 0; + to_screen = screenInfo.numScreens - 1; + } +#endif + + for (s=from_screen; s<=to_screen; s++) { + dpy = GetBackEndDisplay(cl,s); + be_xid = XAllocID(dpy); + dmxScreen = &dmxScreens[s]; + be_pGlxFBConfig = glxLookupBackEndFBConfig( pGlxFBConfig->id, s ); + + attr = (int *)( req+1 ); + + LockDisplay(dpy); + GetReqExtra(GLXCreatePbuffer, 2 * numAttribs * __GLX_SIZE_CARD32, be_req); + be_req->reqType = dmxScreen->glxMajorOpcode; + be_req->glxCode = X_GLXCreatePbuffer; + be_req->screen = be_pGlxFBConfig->screen; + be_req->fbconfig = be_pGlxFBConfig->id; + be_req->pbuffer = be_xid; + be_req->numAttribs = numAttribs; + + /* Send attributes */ + if ( attr != NULL ) { + CARD32 *pc = (CARD32 *)(be_req + 1); + + while (numAttribs-- > 0) { + *pc++ = *attr++; /* token */ + *pc++ = *attr++; /* value */ + } + } + + UnlockDisplay(dpy); + SyncHandle(); + + pGlxPbuffer->be_xids[s] = be_xid; + } + + + pGlxPbuffer->idExists = True; + pGlxPbuffer->refcnt = 0; + pGlxPbuffer->pFBConfig = pGlxFBConfig; + pGlxPbuffer->pScreen = pScreen; + + /* + ** Register the resource. + */ + if (!(AddResource(pbuffer, __glXPbufferRes, pGlxPbuffer))) { + return BadAlloc; + } + + return Success; + +} + +int __glXDestroyPbuffer(__GLXclientState *cl, GLbyte *pc) +{ + ClientPtr client = cl->client; + xGLXDestroyPbufferReq *req = (xGLXDestroyPbufferReq *) pc; + xGLXDestroyPbufferReq *be_req; + GLXPbuffer pbuffer = req->pbuffer; + Display *dpy; + int screen; + DMXScreenInfo *dmxScreen; + __glXPbuffer *pGlxPbuffer; + int s; + int from_screen, to_screen; + + /* + ** Check if it's a valid Pbuffer + */ + dixLookupResourceByType((pointer*) &pGlxPbuffer, pbuffer, + __glXPbufferRes, NullClient, DixUnknownAccess); + if (!pGlxPbuffer) { + client->errorValue = pbuffer; + return __glXBadPbuffer; + } + + screen = pGlxPbuffer->pScreen->myNum; + + from_screen = to_screen = screen; +#ifdef PANORAMIX + if (!noPanoramiXExtension) { + from_screen = 0; + to_screen = screenInfo.numScreens - 1; + } +#endif + + for (s=from_screen; s<=to_screen; s++) { + dpy = GetBackEndDisplay(cl,s); + dmxScreen = &dmxScreens[s]; + + /* send the destroy request to the back-end server */ + LockDisplay(dpy); + GetReq(GLXDestroyPbuffer, be_req); + be_req->reqType = dmxScreen->glxMajorOpcode; + be_req->glxCode = X_GLXDestroyPbuffer; + be_req->pbuffer = pGlxPbuffer->be_xids[s]; + UnlockDisplay(dpy); + SyncHandle(); + } + + FreeResource(pbuffer, RT_NONE); + + return Success; +} + +int __glXGetDrawableAttributes(__GLXclientState *cl, GLbyte *pc) +{ + xGLXGetDrawableAttributesReq *req = (xGLXGetDrawableAttributesReq *)pc; + xGLXGetDrawableAttributesReq *be_req; + xGLXGetDrawableAttributesReply reply; + ClientPtr client = cl->client; + GLXDrawable drawId = req->drawable; + GLXDrawable be_drawable = 0; + DrawablePtr pDraw = NULL; + Display *dpy; + int screen, rc; + DMXScreenInfo *dmxScreen; + CARD32 *attribs = NULL; + int attribs_size = 0; +#ifdef PANORAMIX + PanoramiXRes *pXinDraw = NULL; +#endif + + if (drawId != None) { + rc = dixLookupDrawable(&pDraw, drawId, client, 0, DixGetAttrAccess); + if (rc == Success && pDraw->type == DRAWABLE_WINDOW) { + WindowPtr pWin = (WindowPtr)pDraw; + be_drawable = 0; + screen = pWin->drawable.pScreen->myNum; + } else { + /* + ** Drawable is not a Window , GLXWindow or a GLXPixmap. + */ + client->errorValue = drawId; + return __glXBadDrawable; + } + + if (!pDraw) { + __GLXpixmap *pGlxPixmap; + dixLookupResourceByType((pointer*) &pGlxPixmap, + drawId, __glXPixmapRes, + NullClient, DixUnknownAccess); + if (pGlxPixmap) { + pDraw = pGlxPixmap->pDraw; + screen = pGlxPixmap->pScreen->myNum; + be_drawable = pGlxPixmap->be_xids[screen]; + } + } + + if (!pDraw) { + __glXWindow *pGlxWindow; + dixLookupResourceByType((pointer*) &pGlxWindow, + drawId, __glXWindowRes, + NullClient, DixUnknownAccess); + if (pGlxWindow) { + pDraw = pGlxWindow->pDraw; + screen = pGlxWindow->pScreen->myNum; + be_drawable = 0; + } + } + + if (!pDraw) { + __glXPbuffer *pGlxPbuffer; + dixLookupResourceByType((pointer*) &pGlxPbuffer, + drawId, __glXPbufferRes, + NullClient, DixUnknownAccess); + if (pGlxPbuffer) { + pDraw = (DrawablePtr)pGlxPbuffer; + screen = pGlxPbuffer->pScreen->myNum; + be_drawable = pGlxPbuffer->be_xids[screen]; + } + } + } + + if (!pDraw) { + /* + ** Drawable is not a Window , GLXWindow or a GLXPixmap. + */ + client->errorValue = drawId; + return __glXBadDrawable; + } + + /* if the drawable is a window or GLXWindow - + * we need to find the base id on the back-end server + */ + if (!be_drawable) { + WindowPtr pWin = (WindowPtr)pDraw; + +#ifdef PANORAMIX + if (!noPanoramiXExtension) { + if (Success != dixLookupResourceByClass((pointer*) &pXinDraw, + pDraw->id, XRC_DRAWABLE, + client, DixReadAccess)) { + client->errorValue = drawId; + return __glXBadDrawable; + } + + dixLookupWindow(&pWin, pXinDraw->info[screen].id, client, + DixReadAccess); + } +#endif + + if (pWin) { + be_drawable = (unsigned int)(DMX_GET_WINDOW_PRIV(pWin))->window; + if (!be_drawable) { + /* it might be that the window did not created yet on the */ + /* back-end server (lazy window creation option), force */ + /* creation of the window */ + dmxCreateAndRealizeWindow( pWin, TRUE ); + be_drawable = (unsigned int)(DMX_GET_WINDOW_PRIV(pWin))->window; + } + } + else { + client->errorValue = drawId; + return __glXBadDrawable; + } + } + + + /* send the request to the back-end server */ + dpy = GetBackEndDisplay(cl,screen); + dmxScreen = &dmxScreens[screen]; + + /* make sure drawable exists on back-end */ + dmxSync( dmxScreen, 1 ); + + LockDisplay(dpy); + GetReq(GLXGetDrawableAttributes, be_req); + be_req->reqType = dmxScreen->glxMajorOpcode; + be_req->glxCode = X_GLXGetDrawableAttributes; + be_req->drawable = be_drawable; + be_req->length = req->length; + if (!_XReply(dpy, (xReply *) &reply, 0, False)) { + UnlockDisplay(dpy); + SyncHandle(); + return( BE_TO_CLIENT_ERROR(dmxLastErrorEvent.error_code) ); + } + + if (reply.numAttribs) { + attribs_size = 2 * reply.numAttribs * __GLX_SIZE_CARD32; + attribs = (CARD32 *) malloc(attribs_size); + if (attribs == NULL) { + UnlockDisplay(dpy); + SyncHandle(); + return BadAlloc; + } + + _XRead(dpy, (char *) attribs, attribs_size); + } + + UnlockDisplay(dpy); + SyncHandle(); + + + /* send the reply back to the client */ + reply.sequenceNumber = client->sequence; + if (client->swapped) { + __glXSwapGetDrawableAttributesReply(client, &reply, (int *)attribs); + } + else { + WriteToClient(client, sz_xGLXGetDrawableAttributesReply, (char *)&reply); + WriteToClient(client, attribs_size, (char *)attribs); + } + + free(attribs); + + return Success; +} + +int __glXChangeDrawableAttributes(__GLXclientState *cl, GLbyte *pc) +{ + xGLXChangeDrawableAttributesReq *req = (xGLXChangeDrawableAttributesReq *)pc; + xGLXChangeDrawableAttributesReq *be_req; + ClientPtr client = cl->client; + GLXDrawable drawId = req->drawable; + GLXDrawable be_drawable = 0; + DrawablePtr pDraw = NULL; + Display *dpy; + int screen, rc; + DMXScreenInfo *dmxScreen; + + if (drawId != None) { + rc = dixLookupDrawable(&pDraw, drawId, client, 0, DixSetAttrAccess); + if (rc == Success && pDraw->type == DRAWABLE_WINDOW) { + be_drawable = 0; + screen = pDraw->pScreen->myNum; + } else { + /* + ** Drawable is not a Window , GLXWindow or a GLXPixmap. + */ + client->errorValue = drawId; + return __glXBadDrawable; + } + + if (!pDraw) { + __GLXpixmap *pGlxPixmap; + dixLookupResourceByType((pointer*) &pGlxPixmap, + drawId, __glXPixmapRes, + NullClient, DixUnknownAccess); + if (pGlxPixmap) { + pDraw = pGlxPixmap->pDraw; + screen = pGlxPixmap->pScreen->myNum; + be_drawable = pGlxPixmap->be_xids[screen]; + } + } + + if (!pDraw) { + __glXWindow *pGlxWindow; + dixLookupResourceByType((pointer*) &pGlxWindow, + drawId, __glXWindowRes, + NullClient, DixUnknownAccess); + if (pGlxWindow) { + pDraw = pGlxWindow->pDraw; + screen = pGlxWindow->pScreen->myNum; + be_drawable = 0; + } + } + + if (!pDraw) { + __glXPbuffer *pGlxPbuffer; + dixLookupResourceByType((pointer*) &pGlxPbuffer, + drawId, __glXPbufferRes, + NullClient, DixUnknownAccess); + if (pGlxPbuffer) { + pDraw = (DrawablePtr)pGlxPbuffer; + screen = pGlxPbuffer->pScreen->myNum; + be_drawable = pGlxPbuffer->be_xids[screen]; + } + } + } + + if (!pDraw) { + /* + ** Drawable is not a Window , GLXWindow or a GLXPixmap. + */ + client->errorValue = drawId; + return __glXBadDrawable; + } + + /* if the drawable is a window or GLXWindow - + * we need to find the base id on the back-end server + */ + if (!be_drawable) { + WindowPtr pWin = (WindowPtr)pDraw; + +#ifdef PANORAMIX + if (!noPanoramiXExtension) { + PanoramiXRes *pXinDraw; + if (Success != dixLookupResourceByClass((pointer*) &pXinDraw, + pDraw->id, XRC_DRAWABLE, + client, DixReadAccess)) { + client->errorValue = drawId; + return __glXBadDrawable; + } + + dixLookupWindow(&pWin, pXinDraw->info[screen].id, client, + DixReadAccess); + } +#endif + + if (pWin) { + be_drawable = (unsigned int)(DMX_GET_WINDOW_PRIV(pWin))->window; + if (!be_drawable) { + /* it might be that the window did not created yet on the */ + /* back-end server (lazy window creation option), force */ + /* creation of the window */ + dmxCreateAndRealizeWindow( pWin, TRUE ); + be_drawable = (unsigned int)(DMX_GET_WINDOW_PRIV(pWin))->window; + } + } + else { + client->errorValue = drawId; + return __glXBadDrawable; + } + } + + + /* send the request to the back-end server */ + dpy = GetBackEndDisplay(cl,screen); + dmxScreen = &dmxScreens[screen]; + + /* make sure drawable exists on back-end */ + dmxSync( dmxScreen, 1 ); + + LockDisplay(dpy); + GetReqExtra(GLXChangeDrawableAttributes, + 2 * req->numAttribs * __GLX_SIZE_CARD32, be_req); + be_req->reqType = dmxScreen->glxMajorOpcode; + be_req->glxCode = X_GLXChangeDrawableAttributes; + be_req->drawable = be_drawable; + be_req->numAttribs = req->numAttribs; + be_req->length = req->length; + + UnlockDisplay(dpy); + SyncHandle(); + + return Success; +} + +int __glXSendLargeCommand(__GLXclientState *cl, GLXContextTag contextTag) +{ + ClientPtr client = cl->client; + xGLXRenderLargeReq *req; + GLint maxSize, amount; + GLint totalRequests, requestNumber; + GLint dataLen; + GLbyte *data; + __GLXcontext *glxc; + int s; + int from_screen, to_screen; + + maxSize = cl->largeCmdMaxReqDataSize - (GLint)sizeof(xGLXRenderLargeReq); + dataLen = cl->largeCmdBytesTotal; + totalRequests = (dataLen / maxSize); + if (dataLen % maxSize) totalRequests++; + + glxc = __glXLookupContextByTag(cl, contextTag); + if (!glxc) { + client->errorValue = contextTag; + return __glXBadContext; + } + from_screen = to_screen = glxc->pScreen->myNum; + +#ifdef PANORAMIX + if (!noPanoramiXExtension) { + from_screen = 0; + to_screen = screenInfo.numScreens - 1; + } +#endif + + /* + ** Send enough requests until the whole array is sent. + */ + requestNumber = 1; + data = cl->largeCmdBuf; + while (dataLen > 0) { + amount = dataLen; + if (amount > maxSize) { + amount = maxSize; + } + + for (s=from_screen; s<=to_screen; s++) { + + Display *dpy = GetBackEndDisplay(cl,s); + DMXScreenInfo *dmxScreen = &dmxScreens[s]; + + LockDisplay(dpy); + GetReq(GLXRenderLarge,req); + req->reqType = dmxScreen->glxMajorOpcode; + req->glxCode = X_GLXRenderLarge; + req->contextTag = GetCurrentBackEndTag(cl,contextTag,s); + req->length += (amount + 3) >> 2; + req->requestNumber = requestNumber++; + req->requestTotal = totalRequests; + req->dataBytes = amount; + Data(dpy, ((const char*)data), amount); + dataLen -= amount; + data = ((GLbyte *) data) + amount; + UnlockDisplay(dpy); + SyncHandle(); + } + } + + return Success; +} |