diff options
Diffstat (limited to 'xorg-server/hw/dmx/glxProxy/glxcmds.c')
| -rw-r--r-- | xorg-server/hw/dmx/glxProxy/glxcmds.c | 7220 |
1 files changed, 3610 insertions, 3610 deletions
diff --git a/xorg-server/hw/dmx/glxProxy/glxcmds.c b/xorg-server/hw/dmx/glxProxy/glxcmds.c index 31fd431e7..a2fe0b27b 100644 --- a/xorg-server/hw/dmx/glxProxy/glxcmds.c +++ b/xorg-server/hw/dmx/glxProxy/glxcmds.c @@ -1,3610 +1,3610 @@ -/* - * 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" - -#undef Xmalloc -#undef Xcalloc -#undef Xrealloc -#undef Xfree - -#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 { - shareglxc = (__GLXcontext *) LookupIDByType(shareList, __glXContextRes); - if (!shareglxc) { - client->errorValue = shareList; - return __glXBadContext; - } - } - - /* - ** Allocate memory for the new context - */ - glxc = __glXCalloc(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; - __glXFree( 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; - __glXFree( 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; - __glXFree( glxc ); - return BadValue; - } - - if ( glxc->pFBConfig == NULL ) { - glxc->pFBConfig = glxLookupFBConfigByVID( visual ); - - if ( glxc->pFBConfig == NULL ) { - /* - * visual does not have an FBConfig ??? - client->errorValue = visual; - __glXFree( 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 *)__glXMalloc(sizeof(XID) * num_be_screens); - if (!glxc->real_ids) { - return BadAlloc; - } - glxc->real_vids = (XID *)__glXMalloc(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 */ - __glXFree( glxc->real_ids ); - __glXFree( glxc->real_vids ); - __glXFree( 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)) { - __glXFree( glxc->real_ids ); - __glXFree( glxc->real_vids ); - __glXFree( 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) { - pGlxPixmap = (__GLXpixmap *) LookupIDByType(req->drawable, - __glXPixmapRes); - if (pGlxPixmap) pDraw = pGlxPixmap->pDraw; - } - - if (!pDraw && __GLX_IS_VERSION_SUPPORTED(1,3) ) { - pGlxWindow = (__glXWindow *) LookupIDByType(req->drawable, - __glXWindowRes); - 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) { - pGlxPixmap = (__GLXpixmap *) LookupIDByType(req->drawable, - __glXPixmapRes); - if (pGlxPixmap) pDraw = pGlxPixmap->pDraw; - } - - if (!pDraw && __GLX_IS_VERSION_SUPPORTED(1,3) ) { - pGlxWindow = (__glXWindow *) LookupIDByType(req->drawable, - __glXWindowRes); - 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) { - pGlxPixmap = (__GLXpixmap *) LookupIDByType(req->member, - __glXPixmapRes); - if (pGlxPixmap) pMember = pGlxPixmap->pDraw; - } - - if (!pMember && __GLX_IS_VERSION_SUPPORTED(1,3) ) { - pGlxWindow = (__glXWindow *) LookupIDByType(req->member, - __glXWindowRes); - 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; - - glxc = (__GLXcontext *) LookupIDByType(gcId, __glXContextRes); - 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 **) __glXMalloc(sizeof(__GLXcontext *)); - cl->currentDrawables = (DrawablePtr *) __glXMalloc(sizeof(DrawablePtr)); - cl->be_currentCTag = (GLXContextTag *) __glXMalloc(screenInfo.numScreens *sizeof(GLXContextTag)); - } else { - table = (__GLXcontext **) __glXRealloc(table, - (num+1)*sizeof(__GLXcontext *)); - cl->currentDrawables = (DrawablePtr *) __glXRealloc( - cl->currentDrawables , - (num+1)*sizeof(DrawablePtr)); - cl->be_currentCTag = (GLXContextTag *) __glXRealloc(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) { - glxc = (__GLXcontext *) LookupIDByType(contextId, __glXContextRes); - 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) { - pGlxPixmap = (__GLXpixmap *) LookupIDByType(drawId, - __glXPixmapRes); - 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) ) { - pGlxWindow = (__glXWindow *) LookupIDByType(drawId, __glXWindowRes); - 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) ) { - pGlxPbuffer = (__glXPbuffer *)LookupIDByType(drawId, __glXPbufferRes); - 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) { - pReadGlxPixmap = (__GLXpixmap *) LookupIDByType(readId, - __glXPixmapRes); - 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) ) { - pGlxReadWindow = (__glXWindow *) - LookupIDByType(readId, __glXWindowRes); - 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) ) { - pGlxReadPbuffer = (__glXPbuffer *)LookupIDByType(readId, __glXPbufferRes); - 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) { - pXinDraw = (PanoramiXRes *) - SecurityLookupIDByClass(client, pDraw->id, XRC_DRAWABLE, DixReadAccess); - } - - if (pReadDraw && pReadDraw != pDraw && - new_reply.readType != GLX_PBUFFER_TYPE) { - pXinReadDraw = (PanoramiXRes *) - SecurityLookupIDByClass(client, pReadDraw->id, XRC_DRAWABLE, 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. - */ - glxc = (__GLXcontext *) LookupIDByType(req->context, __glXContextRes); - 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. - */ - src = (__GLXcontext *) LookupIDByType(source, __glXContextRes); - if (!src) { - client->errorValue = source; - return __glXBadContext; - } - dst = (__GLXcontext *) LookupIDByType(dest, __glXContextRes); - 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 *) __glXMalloc(sizeof(__GLXpixmap)); - if (!pGlxPixmap) { - return BadAlloc; - } - pGlxPixmap->be_xids = (XID *) __glXMalloc(sizeof(XID) * screenInfo.numScreens); - if (!pGlxPixmap->be_xids) { - __glXFree( 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; - - pXinDraw = (PanoramiXRes *) - SecurityLookupIDByClass(client, pDraw->id, XRC_DRAWABLE, 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 ); - __glXFree( pGlxPixmap ); - return BadValue; - } - - XFlush( dpy ); - } - - if (!(AddResource(glxpixmapId, __glXPixmapRes, pGlxPixmap))) { - __glXFree( 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. - */ - pGlxPixmap = (__GLXpixmap *)LookupIDByType(glxpixmap, __glXPixmapRes); - 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) { - pGlxPixmap = (__GLXpixmap *) LookupIDByType(drawId, - __glXPixmapRes); - 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) ) { - pGlxWindow = (__glXWindow *) LookupIDByType(drawId, __glXWindowRes); - 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; - pXinDraw = (PanoramiXRes *) - SecurityLookupIDByClass(client, pDraw->id, XRC_DRAWABLE, 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) { - pGlxPixmap = (__GLXpixmap *) LookupIDByType(drawId, - __glXPixmapRes); - if (pGlxPixmap) { - /* - ** Drawable is a GLX pixmap. - */ - pDraw = pGlxPixmap->pDraw; - } - } - - if (!pDraw && __GLX_IS_VERSION_SUPPORTED(1,3) ) { - pGlxWindow = (__glXWindow *) LookupIDByType(drawId, __glXWindowRes); - 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 *)Xalloc(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 *)Xalloc(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; - if (cl->GLClientextensions) __glXFree(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. - */ - pFont = (FontPtr)LookupIDByType(req->font, RT_FONT); - if (!pFont) { - GC *pGC = (GC *)LookupIDByType(req->font, RT_GC); - 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_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; - - /* - ** 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 ( LookupIDByType(glxwindowId, __glXWindowRes) ) { - client->errorValue = glxwindowId; - return BadAlloc; - } - - pGlxWindow = (__glXWindow *) xalloc(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; - - /* - ** Check if it's a valid GLX window. - */ - if (!LookupIDByType(glxwindow, __glXWindowRes)) { - 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; - ctx = (__GLXcontext *) LookupIDByType(req->context, __glXContextRes); - 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 *)xalloc(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); - } - xfree((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; - ctx = (__GLXcontext *) SecurityLookupIDByType(client, req->context, __glXContextRes, 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 *)xalloc(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); - } - xfree((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 *) xalloc(sizeof(__glXPbuffer)); - if (!pGlxPbuffer) { - return BadAlloc; - } - - pGlxPbuffer->be_xids = (XID *) xalloc( sizeof(XID) * screenInfo.numScreens ); - if (!pGlxPbuffer->be_xids) { - xfree(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 - */ - pGlxPbuffer = (__glXPbuffer *)LookupIDByType(pbuffer, __glXPbufferRes); - 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 = (__GLXpixmap *) LookupIDByType(drawId, - __glXPixmapRes); - if (pGlxPixmap) { - pDraw = pGlxPixmap->pDraw; - screen = pGlxPixmap->pScreen->myNum; - be_drawable = pGlxPixmap->be_xids[screen]; - } - } - - if (!pDraw) { - __glXWindow *pGlxWindow = (__glXWindow *) LookupIDByType(drawId, __glXWindowRes); - if (pGlxWindow) { - pDraw = pGlxWindow->pDraw; - screen = pGlxWindow->pScreen->myNum; - be_drawable = 0; - } - } - - if (!pDraw) { - __glXPbuffer *pGlxPbuffer = (__glXPbuffer *)LookupIDByType(drawId, __glXPbufferRes); - 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) { - pXinDraw = (PanoramiXRes *) - SecurityLookupIDByClass(client, pDraw->id, XRC_DRAWABLE, DixReadAccess); - if (!pXinDraw) { - 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 *) Xalloc(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); - } - - Xfree(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; - char *attrbuf; -#ifdef PANORAMIX - PanoramiXRes *pXinDraw = NULL; - PanoramiXRes *pXinReadDraw = NULL; -#endif - - 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 = (__GLXpixmap *) LookupIDByType(drawId, - __glXPixmapRes); - if (pGlxPixmap) { - pDraw = pGlxPixmap->pDraw; - screen = pGlxPixmap->pScreen->myNum; - be_drawable = pGlxPixmap->be_xids[screen]; - } - } - - if (!pDraw) { - __glXWindow *pGlxWindow = (__glXWindow *) LookupIDByType(drawId, __glXWindowRes); - if (pGlxWindow) { - pDraw = pGlxWindow->pDraw; - screen = pGlxWindow->pScreen->myNum; - be_drawable = 0; - } - } - - if (!pDraw) { - __glXPbuffer *pGlxPbuffer = (__glXPbuffer *)LookupIDByType(drawId, __glXPbufferRes); - 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) { - pXinDraw = (PanoramiXRes *) - SecurityLookupIDByClass(client, pDraw->id, XRC_DRAWABLE, DixReadAccess); - if (!pXinDraw) { - 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"
+
+#undef Xmalloc
+#undef Xcalloc
+#undef Xrealloc
+#undef Xfree
+
+#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 {
+ shareglxc = (__GLXcontext *) LookupIDByType(shareList, __glXContextRes);
+ if (!shareglxc) {
+ client->errorValue = shareList;
+ return __glXBadContext;
+ }
+ }
+
+ /*
+ ** Allocate memory for the new context
+ */
+ glxc = __glXCalloc(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;
+ __glXFree( 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;
+ __glXFree( 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;
+ __glXFree( glxc );
+ return BadValue;
+ }
+
+ if ( glxc->pFBConfig == NULL ) {
+ glxc->pFBConfig = glxLookupFBConfigByVID( visual );
+
+ if ( glxc->pFBConfig == NULL ) {
+ /*
+ * visual does not have an FBConfig ???
+ client->errorValue = visual;
+ __glXFree( 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 *)__glXMalloc(sizeof(XID) * num_be_screens);
+ if (!glxc->real_ids) {
+ return BadAlloc;
+ }
+ glxc->real_vids = (XID *)__glXMalloc(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 */
+ __glXFree( glxc->real_ids );
+ __glXFree( glxc->real_vids );
+ __glXFree( 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)) {
+ __glXFree( glxc->real_ids );
+ __glXFree( glxc->real_vids );
+ __glXFree( 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) {
+ pGlxPixmap = (__GLXpixmap *) LookupIDByType(req->drawable,
+ __glXPixmapRes);
+ if (pGlxPixmap) pDraw = pGlxPixmap->pDraw;
+ }
+
+ if (!pDraw && __GLX_IS_VERSION_SUPPORTED(1,3) ) {
+ pGlxWindow = (__glXWindow *) LookupIDByType(req->drawable,
+ __glXWindowRes);
+ 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) {
+ pGlxPixmap = (__GLXpixmap *) LookupIDByType(req->drawable,
+ __glXPixmapRes);
+ if (pGlxPixmap) pDraw = pGlxPixmap->pDraw;
+ }
+
+ if (!pDraw && __GLX_IS_VERSION_SUPPORTED(1,3) ) {
+ pGlxWindow = (__glXWindow *) LookupIDByType(req->drawable,
+ __glXWindowRes);
+ 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) {
+ pGlxPixmap = (__GLXpixmap *) LookupIDByType(req->member,
+ __glXPixmapRes);
+ if (pGlxPixmap) pMember = pGlxPixmap->pDraw;
+ }
+
+ if (!pMember && __GLX_IS_VERSION_SUPPORTED(1,3) ) {
+ pGlxWindow = (__glXWindow *) LookupIDByType(req->member,
+ __glXWindowRes);
+ 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;
+
+ glxc = (__GLXcontext *) LookupIDByType(gcId, __glXContextRes);
+ 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 **) __glXMalloc(sizeof(__GLXcontext *));
+ cl->currentDrawables = (DrawablePtr *) __glXMalloc(sizeof(DrawablePtr));
+ cl->be_currentCTag = (GLXContextTag *) __glXMalloc(screenInfo.numScreens *sizeof(GLXContextTag));
+ } else {
+ table = (__GLXcontext **) __glXRealloc(table,
+ (num+1)*sizeof(__GLXcontext *));
+ cl->currentDrawables = (DrawablePtr *) __glXRealloc(
+ cl->currentDrawables ,
+ (num+1)*sizeof(DrawablePtr));
+ cl->be_currentCTag = (GLXContextTag *) __glXRealloc(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) {
+ glxc = (__GLXcontext *) LookupIDByType(contextId, __glXContextRes);
+ 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) {
+ pGlxPixmap = (__GLXpixmap *) LookupIDByType(drawId,
+ __glXPixmapRes);
+ 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) ) {
+ pGlxWindow = (__glXWindow *) LookupIDByType(drawId, __glXWindowRes);
+ 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) ) {
+ pGlxPbuffer = (__glXPbuffer *)LookupIDByType(drawId, __glXPbufferRes);
+ 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) {
+ pReadGlxPixmap = (__GLXpixmap *) LookupIDByType(readId,
+ __glXPixmapRes);
+ 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) ) {
+ pGlxReadWindow = (__glXWindow *)
+ LookupIDByType(readId, __glXWindowRes);
+ 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) ) {
+ pGlxReadPbuffer = (__glXPbuffer *)LookupIDByType(readId, __glXPbufferRes);
+ 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) {
+ pXinDraw = (PanoramiXRes *)
+ SecurityLookupIDByClass(client, pDraw->id, XRC_DRAWABLE, DixReadAccess);
+ }
+
+ if (pReadDraw && pReadDraw != pDraw &&
+ new_reply.readType != GLX_PBUFFER_TYPE) {
+ pXinReadDraw = (PanoramiXRes *)
+ SecurityLookupIDByClass(client, pReadDraw->id, XRC_DRAWABLE, 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.
+ */
+ glxc = (__GLXcontext *) LookupIDByType(req->context, __glXContextRes);
+ 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.
+ */
+ src = (__GLXcontext *) LookupIDByType(source, __glXContextRes);
+ if (!src) {
+ client->errorValue = source;
+ return __glXBadContext;
+ }
+ dst = (__GLXcontext *) LookupIDByType(dest, __glXContextRes);
+ 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 *) __glXMalloc(sizeof(__GLXpixmap));
+ if (!pGlxPixmap) {
+ return BadAlloc;
+ }
+ pGlxPixmap->be_xids = (XID *) __glXMalloc(sizeof(XID) * screenInfo.numScreens);
+ if (!pGlxPixmap->be_xids) {
+ __glXFree( 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;
+
+ pXinDraw = (PanoramiXRes *)
+ SecurityLookupIDByClass(client, pDraw->id, XRC_DRAWABLE, 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 );
+ __glXFree( pGlxPixmap );
+ return BadValue;
+ }
+
+ XFlush( dpy );
+ }
+
+ if (!(AddResource(glxpixmapId, __glXPixmapRes, pGlxPixmap))) {
+ __glXFree( 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.
+ */
+ pGlxPixmap = (__GLXpixmap *)LookupIDByType(glxpixmap, __glXPixmapRes);
+ 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) {
+ pGlxPixmap = (__GLXpixmap *) LookupIDByType(drawId,
+ __glXPixmapRes);
+ 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) ) {
+ pGlxWindow = (__glXWindow *) LookupIDByType(drawId, __glXWindowRes);
+ 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;
+ pXinDraw = (PanoramiXRes *)
+ SecurityLookupIDByClass(client, pDraw->id, XRC_DRAWABLE, 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) {
+ pGlxPixmap = (__GLXpixmap *) LookupIDByType(drawId,
+ __glXPixmapRes);
+ if (pGlxPixmap) {
+ /*
+ ** Drawable is a GLX pixmap.
+ */
+ pDraw = pGlxPixmap->pDraw;
+ }
+ }
+
+ if (!pDraw && __GLX_IS_VERSION_SUPPORTED(1,3) ) {
+ pGlxWindow = (__glXWindow *) LookupIDByType(drawId, __glXWindowRes);
+ 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;
+ if (cl->GLClientextensions) __glXFree(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.
+ */
+ pFont = (FontPtr)LookupIDByType(req->font, RT_FONT);
+ if (!pFont) {
+ GC *pGC = (GC *)LookupIDByType(req->font, RT_GC);
+ 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_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;
+
+ /*
+ ** 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 ( LookupIDByType(glxwindowId, __glXWindowRes) ) {
+ 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;
+
+ /*
+ ** Check if it's a valid GLX window.
+ */
+ if (!LookupIDByType(glxwindow, __glXWindowRes)) {
+ 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;
+ ctx = (__GLXcontext *) LookupIDByType(req->context, __glXContextRes);
+ 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;
+ ctx = (__GLXcontext *) SecurityLookupIDByType(client, req->context, __glXContextRes, 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
+ */
+ pGlxPbuffer = (__glXPbuffer *)LookupIDByType(pbuffer, __glXPbufferRes);
+ 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 = (__GLXpixmap *) LookupIDByType(drawId,
+ __glXPixmapRes);
+ if (pGlxPixmap) {
+ pDraw = pGlxPixmap->pDraw;
+ screen = pGlxPixmap->pScreen->myNum;
+ be_drawable = pGlxPixmap->be_xids[screen];
+ }
+ }
+
+ if (!pDraw) {
+ __glXWindow *pGlxWindow = (__glXWindow *) LookupIDByType(drawId, __glXWindowRes);
+ if (pGlxWindow) {
+ pDraw = pGlxWindow->pDraw;
+ screen = pGlxWindow->pScreen->myNum;
+ be_drawable = 0;
+ }
+ }
+
+ if (!pDraw) {
+ __glXPbuffer *pGlxPbuffer = (__glXPbuffer *)LookupIDByType(drawId, __glXPbufferRes);
+ 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) {
+ pXinDraw = (PanoramiXRes *)
+ SecurityLookupIDByClass(client, pDraw->id, XRC_DRAWABLE, DixReadAccess);
+ if (!pXinDraw) {
+ 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);
+ }
+
+ Xfree(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;
+ char *attrbuf;
+#ifdef PANORAMIX
+ PanoramiXRes *pXinDraw = NULL;
+ PanoramiXRes *pXinReadDraw = NULL;
+#endif
+
+ 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 = (__GLXpixmap *) LookupIDByType(drawId,
+ __glXPixmapRes);
+ if (pGlxPixmap) {
+ pDraw = pGlxPixmap->pDraw;
+ screen = pGlxPixmap->pScreen->myNum;
+ be_drawable = pGlxPixmap->be_xids[screen];
+ }
+ }
+
+ if (!pDraw) {
+ __glXWindow *pGlxWindow = (__glXWindow *) LookupIDByType(drawId, __glXWindowRes);
+ if (pGlxWindow) {
+ pDraw = pGlxWindow->pDraw;
+ screen = pGlxWindow->pScreen->myNum;
+ be_drawable = 0;
+ }
+ }
+
+ if (!pDraw) {
+ __glXPbuffer *pGlxPbuffer = (__glXPbuffer *)LookupIDByType(drawId, __glXPbufferRes);
+ 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) {
+ pXinDraw = (PanoramiXRes *)
+ SecurityLookupIDByClass(client, pDraw->id, XRC_DRAWABLE, DixReadAccess);
+ if (!pXinDraw) {
+ 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;
+}
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