From 1c94119ae26b94a60bb2c2b33494ed43c3b8a52f Mon Sep 17 00:00:00 2001 From: marha Date: Sun, 16 May 2010 20:50:58 +0000 Subject: svn merge -r588:HEAD ^/branches/released . --- xorg-server/hw/dmx/glxProxy/glxcmds.c | 7220 +++++++++++++++--------------- xorg-server/hw/dmx/glxProxy/glxext.c | 1064 ++--- xorg-server/hw/dmx/glxProxy/glxscreens.c | 754 ++-- xorg-server/hw/dmx/glxProxy/glxsingle.c | 2024 ++++----- xorg-server/hw/dmx/glxProxy/glxswap.c | 1076 ++--- xorg-server/hw/dmx/glxProxy/glxutil.c | 222 +- xorg-server/hw/dmx/glxProxy/glxvendor.c | 1164 ++--- xorg-server/hw/dmx/glxProxy/glxvisuals.c | 1078 ++--- xorg-server/hw/dmx/glxProxy/unpack.h | 456 +- 9 files changed, 7529 insertions(+), 7529 deletions(-) (limited to 'xorg-server/hw/dmx/glxProxy') 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 -#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 -#include "g_disptab.h" -#include -#include -#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; vnumGlxVisuals; v++) { - if (dmxScreen->glxVisuals[v].vid == be_pFBConfig->associatedVisualId) { - pGlxVisual = &dmxScreen->glxVisuals[v]; - break; - } - } - - if (pGlxVisual) { - for (v=0; vnumVisuals; 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 +#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 +#include "g_disptab.h" +#include +#include +#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; vnumGlxVisuals; v++) { + if (dmxScreen->glxVisuals[v].vid == be_pFBConfig->associatedVisualId) { + pGlxVisual = &dmxScreen->glxVisuals[v]; + break; + } + } + + if (pGlxVisual) { + for (v=0; vnumVisuals; 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; +} diff --git a/xorg-server/hw/dmx/glxProxy/glxext.c b/xorg-server/hw/dmx/glxProxy/glxext.c index 6cd8bb41a..6589e43bb 100644 --- a/xorg-server/hw/dmx/glxProxy/glxext.c +++ b/xorg-server/hw/dmx/glxProxy/glxext.c @@ -1,532 +1,532 @@ -/* - * 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 -#endif - -#include "dmx.h" - -#include "glxserver.h" -#include -#include -#include -#include "g_disptab.h" -#include "glxutil.h" -#include "glxext.h" -#include "glxvisuals.h" -#include "micmap.h" -#include "glxswap.h" - -/* -** Stubs to satisfy miinitext.c references. -*/ -typedef int __GLXprovider; -__GLXprovider __glXDRISWRastProvider; -void GlxPushProvider(__GLXprovider *provider) { } - -/* -** Forward declarations. -*/ -static int __glXSwapDispatch(ClientPtr); -static int __glXDispatch(ClientPtr); - -/* -** Called when the extension is reset. -*/ -static void ResetExtension(ExtensionEntry* extEntry) -{ - __glXFlushContextCache(); - __glXScreenReset(); - SwapBarrierReset(); -} - -/* -** Initialize the per-client context storage. -*/ -static void ResetClientState(int clientIndex) -{ - __GLXclientState *cl = __glXClients[clientIndex]; - Display **keep_be_displays; - int i; - - if (cl->returnBuf) __glXFree(cl->returnBuf); - if (cl->currentContexts) __glXFree(cl->currentContexts); - if (cl->currentDrawables) __glXFree(cl->currentDrawables); - if (cl->largeCmdBuf) __glXFree(cl->largeCmdBuf); - - for (i=0; i< screenInfo.numScreens; i++) { - if (cl->be_displays[i]) - XCloseDisplay( cl->be_displays[i] ); - } - - keep_be_displays = cl->be_displays; - memset(cl, 0, sizeof(__GLXclientState)); - cl->be_displays = keep_be_displays; - - /* - ** By default, assume that the client supports - ** GLX major version 1 minor version 0 protocol. - */ - cl->GLClientmajorVersion = 1; - cl->GLClientminorVersion = 0; - if (cl->GLClientextensions) __glXFree(cl->GLClientextensions); - - memset(cl->be_displays, 0, screenInfo.numScreens * sizeof(Display *)); -} - - -/* -** This procedure is called when the client who created the context goes -** away OR when glXDestroyContext is called. In either case, all we do is -** flag that the ID is no longer valid, and (maybe) free the context. -** use. -*/ -static int ContextGone(__GLXcontext* cx, XID id) -{ - cx->idExists = GL_FALSE; - if (!cx->isCurrent) { - __glXFreeContext(cx); - } - - return True; -} - -/* -** Free a client's state. -*/ -static int ClientGone(int clientIndex, XID id) -{ - __GLXcontext *cx; - __GLXclientState *cl = __glXClients[clientIndex]; - int i; - - if (cl) { - /* - ** Free all the contexts that are current for this client. - */ - for (i=0; i < cl->numCurrentContexts; i++) { - cx = cl->currentContexts[i]; - if (cx) { - cx->isCurrent = GL_FALSE; - if (!cx->idExists) { - __glXFreeContext(cx); - } - } - } - /* - ** Re-initialize the client state structure. Don't free it because - ** we'll probably get another client with this index and use the struct - ** again. There is a maximum of MAXCLIENTS of these structures. - */ - ResetClientState(clientIndex); - } - - return True; -} - -/* -** Free a GLX Pixmap. -*/ -void __glXFreeGLXPixmap( __GLXpixmap *pGlxPixmap ) -{ - if (!pGlxPixmap->idExists && - !pGlxPixmap->refcnt) { - - PixmapPtr pPixmap = (PixmapPtr) pGlxPixmap->pDraw; - - /* - ** The DestroyPixmap routine should decrement the refcount and free - ** only if it's zero. - */ - (*pGlxPixmap->pScreen->DestroyPixmap)(pPixmap); - __glXFree(pGlxPixmap->be_xids); - __glXFree(pGlxPixmap); - } - -} - -static int PixmapGone(__GLXpixmap *pGlxPixmap, XID id) -{ - - pGlxPixmap->idExists = False; - __glXFreeGLXPixmap( pGlxPixmap ); - - return True; -} - -void __glXFreeGLXWindow(__glXWindow *pGlxWindow) -{ - if (!pGlxWindow->idExists && !pGlxWindow->refcnt) { - WindowPtr pWindow = (WindowPtr) pGlxWindow->pDraw; - - if (LookupIDByType(pWindow->drawable.id, RT_WINDOW) == pWindow) { - (*pGlxWindow->pScreen->DestroyWindow)(pWindow); - } - - xfree(pGlxWindow); - } -} - -static void WindowGone(__glXWindow *pGlxWindow, XID id) -{ - pGlxWindow->idExists = False; - __glXFreeGLXWindow(pGlxWindow); -} - -void __glXFreeGLXPbuffer(__glXPbuffer *pGlxPbuffer) -{ - if (!pGlxPbuffer->idExists && !pGlxPbuffer->refcnt) { - xfree(pGlxPbuffer->be_xids); - xfree(pGlxPbuffer); - } -} - -static void PbufferGone(__glXPbuffer *pGlxPbuffer, XID id) -{ - pGlxPbuffer->idExists = False; - __glXFreeGLXPbuffer(pGlxPbuffer); -} - -/* -** Free a context. -*/ -GLboolean __glXFreeContext(__GLXcontext *cx) -{ - if (cx->idExists || cx->isCurrent) return GL_FALSE; - - if (cx->feedbackBuf) __glXFree(cx->feedbackBuf); - if (cx->selectBuf) __glXFree(cx->selectBuf); - if (cx->real_ids) __glXFree(cx->real_ids); - if (cx->real_vids) __glXFree(cx->real_vids); - - if (cx->pGlxPixmap) { - /* - ** The previous drawable was a glx pixmap, release it. - */ - cx->pGlxPixmap->refcnt--; - __glXFreeGLXPixmap( cx->pGlxPixmap ); - cx->pGlxPixmap = 0; - } - - if (cx->pGlxReadPixmap) { - /* - ** The previous drawable was a glx pixmap, release it. - */ - cx->pGlxReadPixmap->refcnt--; - __glXFreeGLXPixmap( cx->pGlxReadPixmap ); - cx->pGlxReadPixmap = 0; - } - - if (cx->pGlxWindow) { - /* - ** The previous drawable was a glx window, release it. - */ - cx->pGlxWindow->refcnt--; - __glXFreeGLXWindow( cx->pGlxWindow ); - cx->pGlxWindow = 0; - } - - if (cx->pGlxReadWindow) { - /* - ** The previous drawable was a glx window, release it. - */ - cx->pGlxReadWindow->refcnt--; - __glXFreeGLXWindow( cx->pGlxReadWindow ); - cx->pGlxReadWindow = 0; - } - - __glXFree(cx); - - if (cx == __glXLastContext) { - __glXFlushContextCache(); - } - - return GL_TRUE; -} - -/* -** Initialize the GLX extension. -*/ -void GlxExtensionInit(void) -{ - ExtensionEntry *extEntry; - int i; - int glxSupported = 1; - - /* - // do not initialize GLX extension if GLX is not supported - // by ALL back-end servers. - */ - for (i=0; i 0); - } - - if (!glxSupported || !dmxGLXProxy) { - return; - } - - __glXContextRes = CreateNewResourceType((DeleteType)ContextGone, - "GLXContext"); - __glXClientRes = CreateNewResourceType((DeleteType)ClientGone, - "GLXClient"); - __glXPixmapRes = CreateNewResourceType((DeleteType)PixmapGone, - "GLXPixmap"); - __glXWindowRes = CreateNewResourceType((DeleteType)WindowGone, - "GLXWindow"); - __glXPbufferRes = CreateNewResourceType((DeleteType)PbufferGone, - "GLXPbuffer"); - - if (!__glXContextRes || !__glXClientRes || !__glXPixmapRes || - !__glXWindowRes || !__glXPbufferRes) - return; - - /* - ** Add extension to server extensions. - */ - extEntry = AddExtension(GLX_EXTENSION_NAME, __GLX_NUMBER_EVENTS, - __GLX_NUMBER_ERRORS, __glXDispatch, - __glXSwapDispatch, ResetExtension, - StandardMinorOpcode); - if (!extEntry) { - FatalError("__glXExtensionInit: AddExtensions failed\n"); - return; - } - /* - if (!AddExtensionAlias(GLX_EXTENSION_ALIAS, extEntry)) { - ErrorF("__glXExtensionInit: AddExtensionAlias failed\n"); - return; - } - */ - - __glXerrorBase = extEntry->errorBase; - __glXBadContext = extEntry->errorBase + GLXBadContext; - __glXBadContextState = extEntry->errorBase + GLXBadContextState; - __glXBadDrawable = extEntry->errorBase + GLXBadDrawable; - __glXBadPixmap = extEntry->errorBase + GLXBadPixmap; - __glXBadContextTag = extEntry->errorBase + GLXBadContextTag; - __glXBadCurrentWindow = extEntry->errorBase + GLXBadCurrentWindow; - __glXBadRenderRequest = extEntry->errorBase + GLXBadRenderRequest; - __glXBadLargeRequest = extEntry->errorBase + GLXBadLargeRequest; - __glXUnsupportedPrivateRequest = extEntry->errorBase + - GLXUnsupportedPrivateRequest; - __glXBadFBConfig = extEntry->errorBase + GLXBadFBConfig; - __glXBadPbuffer = extEntry->errorBase + GLXBadPbuffer; - - /* - ** Initialize table of client state. There is never a client 0. - */ - for (i=1; i <= MAXCLIENTS; i++) { - __glXClients[i] = 0; - } - - /* - ** Initialize screen specific data. - */ - __glXScreenInit(screenInfo.numScreens); - - /* - ** Initialize swap barrier support. - */ - SwapBarrierInit(); -} - -/************************************************************************/ - -Bool __glXCoreType(void) -{ - return 0; -} - -/************************************************************************/ - -void GlxSetVisualConfigs(int nconfigs, - __GLXvisualConfig *configs, void **privates) -{ - glxSetVisualConfigs(nconfigs, configs, privates); -} - -static miInitVisualsProcPtr saveInitVisualsProc; - -Bool GlxInitVisuals(VisualPtr *visualp, DepthPtr *depthp, - int *nvisualp, int *ndepthp, - int *rootDepthp, VisualID *defaultVisp, - unsigned long sizes, int bitsPerRGB, - int preferredVis) -{ - Bool ret; - - if (saveInitVisualsProc) { - ret = saveInitVisualsProc(visualp, depthp, nvisualp, ndepthp, - rootDepthp, defaultVisp, sizes, bitsPerRGB, - preferredVis); - if (!ret) - return False; - } - - glxInitVisuals(nvisualp, visualp, defaultVisp, *ndepthp, *depthp,*rootDepthp); - - return True; -} - -void -GlxWrapInitVisuals(miInitVisualsProcPtr *initVisProc) -{ - if (dmxGLXProxy) { - saveInitVisualsProc = *initVisProc; - *initVisProc = GlxInitVisuals; - } -} - -/************************************************************************/ - -void __glXFlushContextCache(void) -{ - __glXLastContext = 0; -} - -/************************************************************************/ - -/* -** Top level dispatcher; all commands are executed from here down. -*/ -static int __glXDispatch(ClientPtr client) -{ - REQUEST(xGLXSingleReq); - CARD8 opcode; - int (*proc)(__GLXclientState *cl, GLbyte *pc); - __GLXclientState *cl; - - opcode = stuff->glxCode; - cl = __glXClients[client->index]; - if (!cl) { - cl = __glXCalloc(1, sizeof(__GLXclientState)); - __glXClients[client->index] = cl; - if (!cl) { - return BadAlloc; - } - - cl->be_displays = __glXCalloc(screenInfo.numScreens, sizeof(Display *)); - if (!cl->be_displays) { - __glXFree( cl ); - return BadAlloc; - } - } - - if (!cl->inUse) { - /* - ** This is first request from this client. Associate a resource - ** with the client so we will be notified when the client dies. - */ - XID xid = FakeClientID(client->index); - if (!AddResource( xid, __glXClientRes, (pointer)(long)client->index)) { - return BadAlloc; - } - ResetClientState(client->index); - cl->largeCmdRequestsTotal = 0; - cl->inUse = GL_TRUE; - cl->client = client; - } - - /* - ** Check for valid opcode. - */ - if (opcode >= __GLX_SINGLE_TABLE_SIZE) { - return BadRequest; - } - - /* - ** Use the opcode to index into the procedure table. - */ - proc = __glXSingleTable[opcode]; - return (*proc)(cl, (GLbyte *) stuff); -} - -static int __glXSwapDispatch(ClientPtr client) -{ - REQUEST(xGLXSingleReq); - CARD8 opcode; - int (*proc)(__GLXclientState *cl, GLbyte *pc); - __GLXclientState *cl; - - opcode = stuff->glxCode; - cl = __glXClients[client->index]; - if (!cl) { - cl = __glXCalloc(1, sizeof(__GLXclientState)); - __glXClients[client->index] = cl; - if (!cl) { - return BadAlloc; - } - - cl->be_displays = __glXCalloc(screenInfo.numScreens, sizeof(Display *)); - if (!cl->be_displays) { - __glXFree( cl ); - return BadAlloc; - } - } - - if (!cl->inUse) { - /* - ** This is first request from this client. Associate a resource - ** with the client so we will be notified when the client dies. - */ - XID xid = FakeClientID(client->index); - if (!AddResource( xid, __glXClientRes, (pointer)(long)client->index)) { - return BadAlloc; - } - ResetClientState(client->index); - cl->inUse = GL_TRUE; - cl->client = client; - } - - /* - ** Check for valid opcode. - */ - if (opcode >= __GLX_SINGLE_TABLE_SIZE) { - return BadRequest; - } - - /* - ** Use the opcode to index into the procedure table. - */ - proc = __glXSwapSingleTable[opcode]; - return (*proc)(cl, (GLbyte *) stuff); -} - -int __glXNoSuchSingleOpcode(__GLXclientState *cl, GLbyte *pc) -{ - return BadRequest; -} - -void __glXNoSuchRenderOpcode(GLbyte *pc) -{ - return; -} - +/* + * 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 +#endif + +#include "dmx.h" + +#include "glxserver.h" +#include +#include +#include +#include "g_disptab.h" +#include "glxutil.h" +#include "glxext.h" +#include "glxvisuals.h" +#include "micmap.h" +#include "glxswap.h" + +/* +** Stubs to satisfy miinitext.c references. +*/ +typedef int __GLXprovider; +__GLXprovider __glXDRISWRastProvider; +void GlxPushProvider(__GLXprovider *provider) { } + +/* +** Forward declarations. +*/ +static int __glXSwapDispatch(ClientPtr); +static int __glXDispatch(ClientPtr); + +/* +** Called when the extension is reset. +*/ +static void ResetExtension(ExtensionEntry* extEntry) +{ + __glXFlushContextCache(); + __glXScreenReset(); + SwapBarrierReset(); +} + +/* +** Initialize the per-client context storage. +*/ +static void ResetClientState(int clientIndex) +{ + __GLXclientState *cl = __glXClients[clientIndex]; + Display **keep_be_displays; + int i; + + if (cl->returnBuf) __glXFree(cl->returnBuf); + if (cl->currentContexts) __glXFree(cl->currentContexts); + if (cl->currentDrawables) __glXFree(cl->currentDrawables); + if (cl->largeCmdBuf) __glXFree(cl->largeCmdBuf); + + for (i=0; i< screenInfo.numScreens; i++) { + if (cl->be_displays[i]) + XCloseDisplay( cl->be_displays[i] ); + } + + keep_be_displays = cl->be_displays; + memset(cl, 0, sizeof(__GLXclientState)); + cl->be_displays = keep_be_displays; + + /* + ** By default, assume that the client supports + ** GLX major version 1 minor version 0 protocol. + */ + cl->GLClientmajorVersion = 1; + cl->GLClientminorVersion = 0; + if (cl->GLClientextensions) __glXFree(cl->GLClientextensions); + + memset(cl->be_displays, 0, screenInfo.numScreens * sizeof(Display *)); +} + + +/* +** This procedure is called when the client who created the context goes +** away OR when glXDestroyContext is called. In either case, all we do is +** flag that the ID is no longer valid, and (maybe) free the context. +** use. +*/ +static int ContextGone(__GLXcontext* cx, XID id) +{ + cx->idExists = GL_FALSE; + if (!cx->isCurrent) { + __glXFreeContext(cx); + } + + return True; +} + +/* +** Free a client's state. +*/ +static int ClientGone(int clientIndex, XID id) +{ + __GLXcontext *cx; + __GLXclientState *cl = __glXClients[clientIndex]; + int i; + + if (cl) { + /* + ** Free all the contexts that are current for this client. + */ + for (i=0; i < cl->numCurrentContexts; i++) { + cx = cl->currentContexts[i]; + if (cx) { + cx->isCurrent = GL_FALSE; + if (!cx->idExists) { + __glXFreeContext(cx); + } + } + } + /* + ** Re-initialize the client state structure. Don't free it because + ** we'll probably get another client with this index and use the struct + ** again. There is a maximum of MAXCLIENTS of these structures. + */ + ResetClientState(clientIndex); + } + + return True; +} + +/* +** Free a GLX Pixmap. +*/ +void __glXFreeGLXPixmap( __GLXpixmap *pGlxPixmap ) +{ + if (!pGlxPixmap->idExists && + !pGlxPixmap->refcnt) { + + PixmapPtr pPixmap = (PixmapPtr) pGlxPixmap->pDraw; + + /* + ** The DestroyPixmap routine should decrement the refcount and free + ** only if it's zero. + */ + (*pGlxPixmap->pScreen->DestroyPixmap)(pPixmap); + __glXFree(pGlxPixmap->be_xids); + __glXFree(pGlxPixmap); + } + +} + +static int PixmapGone(__GLXpixmap *pGlxPixmap, XID id) +{ + + pGlxPixmap->idExists = False; + __glXFreeGLXPixmap( pGlxPixmap ); + + return True; +} + +void __glXFreeGLXWindow(__glXWindow *pGlxWindow) +{ + if (!pGlxWindow->idExists && !pGlxWindow->refcnt) { + WindowPtr pWindow = (WindowPtr) pGlxWindow->pDraw; + + if (LookupIDByType(pWindow->drawable.id, RT_WINDOW) == pWindow) { + (*pGlxWindow->pScreen->DestroyWindow)(pWindow); + } + + free(pGlxWindow); + } +} + +static void WindowGone(__glXWindow *pGlxWindow, XID id) +{ + pGlxWindow->idExists = False; + __glXFreeGLXWindow(pGlxWindow); +} + +void __glXFreeGLXPbuffer(__glXPbuffer *pGlxPbuffer) +{ + if (!pGlxPbuffer->idExists && !pGlxPbuffer->refcnt) { + free(pGlxPbuffer->be_xids); + free(pGlxPbuffer); + } +} + +static void PbufferGone(__glXPbuffer *pGlxPbuffer, XID id) +{ + pGlxPbuffer->idExists = False; + __glXFreeGLXPbuffer(pGlxPbuffer); +} + +/* +** Free a context. +*/ +GLboolean __glXFreeContext(__GLXcontext *cx) +{ + if (cx->idExists || cx->isCurrent) return GL_FALSE; + + if (cx->feedbackBuf) __glXFree(cx->feedbackBuf); + if (cx->selectBuf) __glXFree(cx->selectBuf); + if (cx->real_ids) __glXFree(cx->real_ids); + if (cx->real_vids) __glXFree(cx->real_vids); + + if (cx->pGlxPixmap) { + /* + ** The previous drawable was a glx pixmap, release it. + */ + cx->pGlxPixmap->refcnt--; + __glXFreeGLXPixmap( cx->pGlxPixmap ); + cx->pGlxPixmap = 0; + } + + if (cx->pGlxReadPixmap) { + /* + ** The previous drawable was a glx pixmap, release it. + */ + cx->pGlxReadPixmap->refcnt--; + __glXFreeGLXPixmap( cx->pGlxReadPixmap ); + cx->pGlxReadPixmap = 0; + } + + if (cx->pGlxWindow) { + /* + ** The previous drawable was a glx window, release it. + */ + cx->pGlxWindow->refcnt--; + __glXFreeGLXWindow( cx->pGlxWindow ); + cx->pGlxWindow = 0; + } + + if (cx->pGlxReadWindow) { + /* + ** The previous drawable was a glx window, release it. + */ + cx->pGlxReadWindow->refcnt--; + __glXFreeGLXWindow( cx->pGlxReadWindow ); + cx->pGlxReadWindow = 0; + } + + __glXFree(cx); + + if (cx == __glXLastContext) { + __glXFlushContextCache(); + } + + return GL_TRUE; +} + +/* +** Initialize the GLX extension. +*/ +void GlxExtensionInit(void) +{ + ExtensionEntry *extEntry; + int i; + int glxSupported = 1; + + /* + // do not initialize GLX extension if GLX is not supported + // by ALL back-end servers. + */ + for (i=0; i 0); + } + + if (!glxSupported || !dmxGLXProxy) { + return; + } + + __glXContextRes = CreateNewResourceType((DeleteType)ContextGone, + "GLXContext"); + __glXClientRes = CreateNewResourceType((DeleteType)ClientGone, + "GLXClient"); + __glXPixmapRes = CreateNewResourceType((DeleteType)PixmapGone, + "GLXPixmap"); + __glXWindowRes = CreateNewResourceType((DeleteType)WindowGone, + "GLXWindow"); + __glXPbufferRes = CreateNewResourceType((DeleteType)PbufferGone, + "GLXPbuffer"); + + if (!__glXContextRes || !__glXClientRes || !__glXPixmapRes || + !__glXWindowRes || !__glXPbufferRes) + return; + + /* + ** Add extension to server extensions. + */ + extEntry = AddExtension(GLX_EXTENSION_NAME, __GLX_NUMBER_EVENTS, + __GLX_NUMBER_ERRORS, __glXDispatch, + __glXSwapDispatch, ResetExtension, + StandardMinorOpcode); + if (!extEntry) { + FatalError("__glXExtensionInit: AddExtensions failed\n"); + return; + } + /* + if (!AddExtensionAlias(GLX_EXTENSION_ALIAS, extEntry)) { + ErrorF("__glXExtensionInit: AddExtensionAlias failed\n"); + return; + } + */ + + __glXerrorBase = extEntry->errorBase; + __glXBadContext = extEntry->errorBase + GLXBadContext; + __glXBadContextState = extEntry->errorBase + GLXBadContextState; + __glXBadDrawable = extEntry->errorBase + GLXBadDrawable; + __glXBadPixmap = extEntry->errorBase + GLXBadPixmap; + __glXBadContextTag = extEntry->errorBase + GLXBadContextTag; + __glXBadCurrentWindow = extEntry->errorBase + GLXBadCurrentWindow; + __glXBadRenderRequest = extEntry->errorBase + GLXBadRenderRequest; + __glXBadLargeRequest = extEntry->errorBase + GLXBadLargeRequest; + __glXUnsupportedPrivateRequest = extEntry->errorBase + + GLXUnsupportedPrivateRequest; + __glXBadFBConfig = extEntry->errorBase + GLXBadFBConfig; + __glXBadPbuffer = extEntry->errorBase + GLXBadPbuffer; + + /* + ** Initialize table of client state. There is never a client 0. + */ + for (i=1; i <= MAXCLIENTS; i++) { + __glXClients[i] = 0; + } + + /* + ** Initialize screen specific data. + */ + __glXScreenInit(screenInfo.numScreens); + + /* + ** Initialize swap barrier support. + */ + SwapBarrierInit(); +} + +/************************************************************************/ + +Bool __glXCoreType(void) +{ + return 0; +} + +/************************************************************************/ + +void GlxSetVisualConfigs(int nconfigs, + __GLXvisualConfig *configs, void **privates) +{ + glxSetVisualConfigs(nconfigs, configs, privates); +} + +static miInitVisualsProcPtr saveInitVisualsProc; + +Bool GlxInitVisuals(VisualPtr *visualp, DepthPtr *depthp, + int *nvisualp, int *ndepthp, + int *rootDepthp, VisualID *defaultVisp, + unsigned long sizes, int bitsPerRGB, + int preferredVis) +{ + Bool ret; + + if (saveInitVisualsProc) { + ret = saveInitVisualsProc(visualp, depthp, nvisualp, ndepthp, + rootDepthp, defaultVisp, sizes, bitsPerRGB, + preferredVis); + if (!ret) + return False; + } + + glxInitVisuals(nvisualp, visualp, defaultVisp, *ndepthp, *depthp,*rootDepthp); + + return True; +} + +void +GlxWrapInitVisuals(miInitVisualsProcPtr *initVisProc) +{ + if (dmxGLXProxy) { + saveInitVisualsProc = *initVisProc; + *initVisProc = GlxInitVisuals; + } +} + +/************************************************************************/ + +void __glXFlushContextCache(void) +{ + __glXLastContext = 0; +} + +/************************************************************************/ + +/* +** Top level dispatcher; all commands are executed from here down. +*/ +static int __glXDispatch(ClientPtr client) +{ + REQUEST(xGLXSingleReq); + CARD8 opcode; + int (*proc)(__GLXclientState *cl, GLbyte *pc); + __GLXclientState *cl; + + opcode = stuff->glxCode; + cl = __glXClients[client->index]; + if (!cl) { + cl = __glXCalloc(1, sizeof(__GLXclientState)); + __glXClients[client->index] = cl; + if (!cl) { + return BadAlloc; + } + + cl->be_displays = __glXCalloc(screenInfo.numScreens, sizeof(Display *)); + if (!cl->be_displays) { + __glXFree( cl ); + return BadAlloc; + } + } + + if (!cl->inUse) { + /* + ** This is first request from this client. Associate a resource + ** with the client so we will be notified when the client dies. + */ + XID xid = FakeClientID(client->index); + if (!AddResource( xid, __glXClientRes, (pointer)(long)client->index)) { + return BadAlloc; + } + ResetClientState(client->index); + cl->largeCmdRequestsTotal = 0; + cl->inUse = GL_TRUE; + cl->client = client; + } + + /* + ** Check for valid opcode. + */ + if (opcode >= __GLX_SINGLE_TABLE_SIZE) { + return BadRequest; + } + + /* + ** Use the opcode to index into the procedure table. + */ + proc = __glXSingleTable[opcode]; + return (*proc)(cl, (GLbyte *) stuff); +} + +static int __glXSwapDispatch(ClientPtr client) +{ + REQUEST(xGLXSingleReq); + CARD8 opcode; + int (*proc)(__GLXclientState *cl, GLbyte *pc); + __GLXclientState *cl; + + opcode = stuff->glxCode; + cl = __glXClients[client->index]; + if (!cl) { + cl = __glXCalloc(1, sizeof(__GLXclientState)); + __glXClients[client->index] = cl; + if (!cl) { + return BadAlloc; + } + + cl->be_displays = __glXCalloc(screenInfo.numScreens, sizeof(Display *)); + if (!cl->be_displays) { + __glXFree( cl ); + return BadAlloc; + } + } + + if (!cl->inUse) { + /* + ** This is first request from this client. Associate a resource + ** with the client so we will be notified when the client dies. + */ + XID xid = FakeClientID(client->index); + if (!AddResource( xid, __glXClientRes, (pointer)(long)client->index)) { + return BadAlloc; + } + ResetClientState(client->index); + cl->inUse = GL_TRUE; + cl->client = client; + } + + /* + ** Check for valid opcode. + */ + if (opcode >= __GLX_SINGLE_TABLE_SIZE) { + return BadRequest; + } + + /* + ** Use the opcode to index into the procedure table. + */ + proc = __glXSwapSingleTable[opcode]; + return (*proc)(cl, (GLbyte *) stuff); +} + +int __glXNoSuchSingleOpcode(__GLXclientState *cl, GLbyte *pc) +{ + return BadRequest; +} + +void __glXNoSuchRenderOpcode(GLbyte *pc) +{ + return; +} + diff --git a/xorg-server/hw/dmx/glxProxy/glxscreens.c b/xorg-server/hw/dmx/glxProxy/glxscreens.c index 39978a74d..4c40d2315 100644 --- a/xorg-server/hw/dmx/glxProxy/glxscreens.c +++ b/xorg-server/hw/dmx/glxProxy/glxscreens.c @@ -1,377 +1,377 @@ -/* - * 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 -#endif - -#include "dmx.h" -#include "dmxlog.h" - -#undef Xmalloc -#undef Xcalloc -#undef Xrealloc -#undef Xfree - -#include "glxserver.h" - -#include - -#include "glxfbconfig.h" - -#ifdef PANORAMIX -#include "panoramiXsrv.h" -#endif - -__GLXscreenInfo *__glXActiveScreens; -GLint __glXNumActiveScreens; - -__GLXFBConfig **__glXFBConfigs; -int __glXNumFBConfigs; - -static char GLXServerVendorName[] = "SGI DMX/glxProxy"; -static char GLXServerVersion[64]; -static char GLXServerExtensions[] = - "GLX_EXT_visual_info " - "GLX_EXT_visual_rating " - "GLX_EXT_import_context " - "GLX_SGIX_fbconfig " - "GLX_SGI_make_current_read " - "GLX_SGI_swap_control " - ; - -static char ExtensionsString[1024]; - -static void CalcServerVersionAndExtensions( void ) -{ - int s; - xGLXQueryVersionReq *req; - xGLXQueryVersionReply reply; - char **be_extensions; - char *ext; - char *denied_extensions; - - /* - * set the server glx version to be the minimum version - * supported by all back-end servers - */ - __glXVersionMajor = 0; - __glXVersionMinor = 0; - for (s=0; s<__glXNumActiveScreens; s++) { - DMXScreenInfo *dmxScreen = &dmxScreens[s]; - Display *dpy = dmxScreen->beDisplay; - - /* Send the glXQueryVersion request */ - LockDisplay(dpy); - GetReq(GLXQueryVersion,req); - req->reqType = dmxScreen->glxMajorOpcode; - req->glxCode = X_GLXQueryVersion; - req->majorVersion = GLX_SERVER_MAJOR_VERSION; - req->minorVersion = GLX_SERVER_MINOR_VERSION; - _XReply(dpy, (xReply*) &reply, 0, False); - UnlockDisplay(dpy); - SyncHandle(); - - if (s == 0) { - __glXVersionMajor = reply.majorVersion; - __glXVersionMinor = reply.minorVersion; - } - else { - if (reply.majorVersion < __glXVersionMajor) { - __glXVersionMajor = reply.majorVersion; - __glXVersionMinor = reply.minorVersion; - } - else if ( (reply.majorVersion == __glXVersionMajor) && - (reply.minorVersion < __glXVersionMinor) ) { - __glXVersionMinor = reply.minorVersion; - } - } - - } - - if (GLX_SERVER_MAJOR_VERSION < __glXVersionMajor) { - __glXVersionMajor = GLX_SERVER_MAJOR_VERSION; - __glXVersionMinor = GLX_SERVER_MINOR_VERSION; - } - else if ( (GLX_SERVER_MAJOR_VERSION == __glXVersionMajor) && - (GLX_SERVER_MINOR_VERSION < __glXVersionMinor) ) { - __glXVersionMinor = GLX_SERVER_MINOR_VERSION; - } - - sprintf(GLXServerVersion, "%d.%d DMX %d back-end server(s)", - __glXVersionMajor, __glXVersionMinor, __glXNumActiveScreens ); - /* - * set the ExtensionsString to the minimum extensions string - */ - ExtensionsString[0] = '\0'; - - /* - * read extensions strings of all back-end servers - */ - be_extensions = (char **)Xalloc( __glXNumActiveScreens * sizeof(char *) ); - if (!be_extensions) - return; - - for (s=0; s<__glXNumActiveScreens; s++) { - DMXScreenInfo *dmxScreen = &dmxScreens[s]; - Display *dpy = dmxScreen->beDisplay; - xGLXQueryServerStringReq *req; - xGLXQueryServerStringReply reply; - int length, numbytes, slop; - - /* Send the glXQueryServerString request */ - LockDisplay(dpy); - GetReq(GLXQueryServerString,req); - req->reqType = dmxScreen->glxMajorOpcode; - req->glxCode = X_GLXQueryServerString; - req->screen = DefaultScreen(dpy); - req->name = GLX_EXTENSIONS; - _XReply(dpy, (xReply*) &reply, 0, False); - - length = (int)reply.length; - numbytes = (int)reply.n; - slop = numbytes * __GLX_SIZE_INT8 & 3; - be_extensions[s] = (char *)Xalloc(numbytes); - if (!be_extensions[s]) { - /* Throw data on the floor */ - _XEatData(dpy, length); - } else { - _XRead(dpy, (char *)be_extensions[s], numbytes); - if (slop) _XEatData(dpy,4-slop); - } - UnlockDisplay(dpy); - SyncHandle(); - } - - /* - * extensions string will include only extensions that our - * server supports as well as all back-end servers supports. - * extensions that are in the DMX_DENY_EXTENSIONS string will - * not be supported. - */ - denied_extensions = getenv("DMX_DENY_GLX_EXTENSIONS"); - ext = strtok(GLXServerExtensions, " "); - while( ext ) { - int supported = 1; - - if (denied_extensions && strstr(denied_extensions, ext)) { - supported = 0; - } - else { - for (s=0; s<__glXNumActiveScreens && supported; s++) { - if ( !strstr(be_extensions[s], ext) ) { - supported = 0; - } - } - } - - if (supported) { - strcat(ExtensionsString, ext); - strcat(ExtensionsString, " "); - } - - ext = strtok(NULL, " "); - } - - /* - * release temporary storage - */ - for (s=0; s<__glXNumActiveScreens; s++) { - if (be_extensions[s]) Xfree(be_extensions[s]); - } - Xfree( be_extensions ); - - if (dmxGLXSwapGroupSupport) { - if (!denied_extensions || - !strstr(denied_extensions, "GLX_SGIX_swap_group")) { - strcat(ExtensionsString, "GLX_SGIX_swap_group"); - if (!denied_extensions || - !strstr(denied_extensions, "GLX_SGIX_swap_barrier")) { - strcat(ExtensionsString, " GLX_SGIX_swap_barrier"); - } - } - } - -} - -void __glXScreenInit(GLint numscreens) -{ - int s; - int c; - DMXScreenInfo *dmxScreen0 = &dmxScreens[0]; - __glXNumActiveScreens = numscreens; - - - CalcServerVersionAndExtensions(); - - - __glXFBConfigs = NULL; - __glXNumFBConfigs = 0; - - if ( (__glXVersionMajor == 1 && __glXVersionMinor >= 3) || - (__glXVersionMajor > 1) || - ( strstr(ExtensionsString, "GLX_SGIX_fbconfig") ) ) { - - /* - // Initialize FBConfig info. - // find the set of FBConfigs that are present on all back-end - // servers - only those configs will be supported - */ - __glXFBConfigs = (__GLXFBConfig **)Xalloc( dmxScreen0->numFBConfigs * - (numscreens+1) * sizeof(__GLXFBConfig *) ); - __glXNumFBConfigs = 0; - - for (c=0; cnumFBConfigs; c++) { - __GLXFBConfig *cfg = NULL; - - if (numscreens > 1) { - for (s=1; sfbconfigs[c], - dmxScreen->fbconfigs, - dmxScreen->numFBConfigs ); - __glXFBConfigs[ __glXNumFBConfigs * (numscreens+1) + s + 1 ] = cfg; - if (!cfg) { - dmxLog(dmxInfo,"screen0 FBConfig 0x%x is missing on screen#%d\n", dmxScreen0->fbconfigs[c].id, s); - break; - } - else { - dmxLog(dmxInfo,"screen0 FBConfig 0x%x matched to 0x%x on screen#%d\n", dmxScreen0->fbconfigs[c].id, cfg->id, s); - } - } - } - else { - cfg = &dmxScreen0->fbconfigs[c]; - } - - if (cfg) { - - /* filter out overlay visuals */ - if (cfg->level == 0) { - __GLXFBConfig *proxy_cfg; - - __glXFBConfigs[ __glXNumFBConfigs * (numscreens+1) + 1 ] = - &dmxScreen0->fbconfigs[c]; - - proxy_cfg = Xalloc( sizeof(__GLXFBConfig) ); - memcpy( proxy_cfg, cfg, sizeof(__GLXFBConfig) ); - proxy_cfg->id = FakeClientID(0); - /* visual will be associated later in __glXGetFBConfigs */ - proxy_cfg->associatedVisualId = (unsigned int)-1; - - __glXFBConfigs[ __glXNumFBConfigs * (numscreens+1) + 0 ] = proxy_cfg; - - __glXNumFBConfigs++; - } - - } - - } - - } - -} - -void __glXScreenReset(void) -{ - __glXNumActiveScreens = 0; -} - -char *__glXGetServerString( unsigned int name ) -{ - char *ret = NULL; - - switch( name) { - - case GLX_VENDOR: - ret = GLXServerVendorName; - break; - - case GLX_VERSION: - ret = GLXServerVersion; - break; - - case GLX_EXTENSIONS: - ret = ExtensionsString; - break; - - default: - break; - } - - return( ret ); - -} - - -__GLXFBConfig *glxLookupFBConfig( GLXFBConfigID id ) -{ - int i,j; - - for (i=0, j=0; i<__glXNumFBConfigs; i++,j+=(__glXNumActiveScreens+1) ) { - if ( __glXFBConfigs[j]->id == id) - return( __glXFBConfigs[j] ); - } - - return(NULL); -} - -__GLXFBConfig *glxLookupFBConfigByVID( VisualID vid ) -{ - int i,j; - - for (i=0, j=0; i<__glXNumFBConfigs; i++,j+=(__glXNumActiveScreens+1) ) { - if ( __glXFBConfigs[j]->associatedVisualId == vid) - return( __glXFBConfigs[j] ); - } - - return(NULL); -} - -__GLXFBConfig *glxLookupBackEndFBConfig( GLXFBConfigID id, int screen ) -{ - int i; - int j; - - for (i=0, j=0; i<__glXNumFBConfigs; i++,j+=(__glXNumActiveScreens+1) ) { - if ( __glXFBConfigs[j]->id == id) - return( __glXFBConfigs[j+screen+1] ); - } - - return(NULL); - -} - -int glxIsExtensionSupported( char *ext ) -{ - return( strstr(ExtensionsString, ext) != NULL ); -} +/* + * 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 +#endif + +#include "dmx.h" +#include "dmxlog.h" + +#undef Xmalloc +#undef Xcalloc +#undef Xrealloc +#undef Xfree + +#include "glxserver.h" + +#include + +#include "glxfbconfig.h" + +#ifdef PANORAMIX +#include "panoramiXsrv.h" +#endif + +__GLXscreenInfo *__glXActiveScreens; +GLint __glXNumActiveScreens; + +__GLXFBConfig **__glXFBConfigs; +int __glXNumFBConfigs; + +static char GLXServerVendorName[] = "SGI DMX/glxProxy"; +static char GLXServerVersion[64]; +static char GLXServerExtensions[] = + "GLX_EXT_visual_info " + "GLX_EXT_visual_rating " + "GLX_EXT_import_context " + "GLX_SGIX_fbconfig " + "GLX_SGI_make_current_read " + "GLX_SGI_swap_control " + ; + +static char ExtensionsString[1024]; + +static void CalcServerVersionAndExtensions( void ) +{ + int s; + xGLXQueryVersionReq *req; + xGLXQueryVersionReply reply; + char **be_extensions; + char *ext; + char *denied_extensions; + + /* + * set the server glx version to be the minimum version + * supported by all back-end servers + */ + __glXVersionMajor = 0; + __glXVersionMinor = 0; + for (s=0; s<__glXNumActiveScreens; s++) { + DMXScreenInfo *dmxScreen = &dmxScreens[s]; + Display *dpy = dmxScreen->beDisplay; + + /* Send the glXQueryVersion request */ + LockDisplay(dpy); + GetReq(GLXQueryVersion,req); + req->reqType = dmxScreen->glxMajorOpcode; + req->glxCode = X_GLXQueryVersion; + req->majorVersion = GLX_SERVER_MAJOR_VERSION; + req->minorVersion = GLX_SERVER_MINOR_VERSION; + _XReply(dpy, (xReply*) &reply, 0, False); + UnlockDisplay(dpy); + SyncHandle(); + + if (s == 0) { + __glXVersionMajor = reply.majorVersion; + __glXVersionMinor = reply.minorVersion; + } + else { + if (reply.majorVersion < __glXVersionMajor) { + __glXVersionMajor = reply.majorVersion; + __glXVersionMinor = reply.minorVersion; + } + else if ( (reply.majorVersion == __glXVersionMajor) && + (reply.minorVersion < __glXVersionMinor) ) { + __glXVersionMinor = reply.minorVersion; + } + } + + } + + if (GLX_SERVER_MAJOR_VERSION < __glXVersionMajor) { + __glXVersionMajor = GLX_SERVER_MAJOR_VERSION; + __glXVersionMinor = GLX_SERVER_MINOR_VERSION; + } + else if ( (GLX_SERVER_MAJOR_VERSION == __glXVersionMajor) && + (GLX_SERVER_MINOR_VERSION < __glXVersionMinor) ) { + __glXVersionMinor = GLX_SERVER_MINOR_VERSION; + } + + sprintf(GLXServerVersion, "%d.%d DMX %d back-end server(s)", + __glXVersionMajor, __glXVersionMinor, __glXNumActiveScreens ); + /* + * set the ExtensionsString to the minimum extensions string + */ + ExtensionsString[0] = '\0'; + + /* + * read extensions strings of all back-end servers + */ + be_extensions = (char **)malloc( __glXNumActiveScreens * sizeof(char *) ); + if (!be_extensions) + return; + + for (s=0; s<__glXNumActiveScreens; s++) { + DMXScreenInfo *dmxScreen = &dmxScreens[s]; + Display *dpy = dmxScreen->beDisplay; + xGLXQueryServerStringReq *req; + xGLXQueryServerStringReply reply; + int length, numbytes, slop; + + /* Send the glXQueryServerString request */ + LockDisplay(dpy); + GetReq(GLXQueryServerString,req); + req->reqType = dmxScreen->glxMajorOpcode; + req->glxCode = X_GLXQueryServerString; + req->screen = DefaultScreen(dpy); + req->name = GLX_EXTENSIONS; + _XReply(dpy, (xReply*) &reply, 0, False); + + length = (int)reply.length; + numbytes = (int)reply.n; + slop = numbytes * __GLX_SIZE_INT8 & 3; + be_extensions[s] = (char *)malloc(numbytes); + if (!be_extensions[s]) { + /* Throw data on the floor */ + _XEatData(dpy, length); + } else { + _XRead(dpy, (char *)be_extensions[s], numbytes); + if (slop) _XEatData(dpy,4-slop); + } + UnlockDisplay(dpy); + SyncHandle(); + } + + /* + * extensions string will include only extensions that our + * server supports as well as all back-end servers supports. + * extensions that are in the DMX_DENY_EXTENSIONS string will + * not be supported. + */ + denied_extensions = getenv("DMX_DENY_GLX_EXTENSIONS"); + ext = strtok(GLXServerExtensions, " "); + while( ext ) { + int supported = 1; + + if (denied_extensions && strstr(denied_extensions, ext)) { + supported = 0; + } + else { + for (s=0; s<__glXNumActiveScreens && supported; s++) { + if ( !strstr(be_extensions[s], ext) ) { + supported = 0; + } + } + } + + if (supported) { + strcat(ExtensionsString, ext); + strcat(ExtensionsString, " "); + } + + ext = strtok(NULL, " "); + } + + /* + * release temporary storage + */ + for (s=0; s<__glXNumActiveScreens; s++) { + if (be_extensions[s]) Xfree(be_extensions[s]); + } + Xfree( be_extensions ); + + if (dmxGLXSwapGroupSupport) { + if (!denied_extensions || + !strstr(denied_extensions, "GLX_SGIX_swap_group")) { + strcat(ExtensionsString, "GLX_SGIX_swap_group"); + if (!denied_extensions || + !strstr(denied_extensions, "GLX_SGIX_swap_barrier")) { + strcat(ExtensionsString, " GLX_SGIX_swap_barrier"); + } + } + } + +} + +void __glXScreenInit(GLint numscreens) +{ + int s; + int c; + DMXScreenInfo *dmxScreen0 = &dmxScreens[0]; + __glXNumActiveScreens = numscreens; + + + CalcServerVersionAndExtensions(); + + + __glXFBConfigs = NULL; + __glXNumFBConfigs = 0; + + if ( (__glXVersionMajor == 1 && __glXVersionMinor >= 3) || + (__glXVersionMajor > 1) || + ( strstr(ExtensionsString, "GLX_SGIX_fbconfig") ) ) { + + /* + // Initialize FBConfig info. + // find the set of FBConfigs that are present on all back-end + // servers - only those configs will be supported + */ + __glXFBConfigs = (__GLXFBConfig **)malloc( dmxScreen0->numFBConfigs * + (numscreens+1) * sizeof(__GLXFBConfig *) ); + __glXNumFBConfigs = 0; + + for (c=0; cnumFBConfigs; c++) { + __GLXFBConfig *cfg = NULL; + + if (numscreens > 1) { + for (s=1; sfbconfigs[c], + dmxScreen->fbconfigs, + dmxScreen->numFBConfigs ); + __glXFBConfigs[ __glXNumFBConfigs * (numscreens+1) + s + 1 ] = cfg; + if (!cfg) { + dmxLog(dmxInfo,"screen0 FBConfig 0x%x is missing on screen#%d\n", dmxScreen0->fbconfigs[c].id, s); + break; + } + else { + dmxLog(dmxInfo,"screen0 FBConfig 0x%x matched to 0x%x on screen#%d\n", dmxScreen0->fbconfigs[c].id, cfg->id, s); + } + } + } + else { + cfg = &dmxScreen0->fbconfigs[c]; + } + + if (cfg) { + + /* filter out overlay visuals */ + if (cfg->level == 0) { + __GLXFBConfig *proxy_cfg; + + __glXFBConfigs[ __glXNumFBConfigs * (numscreens+1) + 1 ] = + &dmxScreen0->fbconfigs[c]; + + proxy_cfg = malloc( sizeof(__GLXFBConfig) ); + memcpy( proxy_cfg, cfg, sizeof(__GLXFBConfig) ); + proxy_cfg->id = FakeClientID(0); + /* visual will be associated later in __glXGetFBConfigs */ + proxy_cfg->associatedVisualId = (unsigned int)-1; + + __glXFBConfigs[ __glXNumFBConfigs * (numscreens+1) + 0 ] = proxy_cfg; + + __glXNumFBConfigs++; + } + + } + + } + + } + +} + +void __glXScreenReset(void) +{ + __glXNumActiveScreens = 0; +} + +char *__glXGetServerString( unsigned int name ) +{ + char *ret = NULL; + + switch( name) { + + case GLX_VENDOR: + ret = GLXServerVendorName; + break; + + case GLX_VERSION: + ret = GLXServerVersion; + break; + + case GLX_EXTENSIONS: + ret = ExtensionsString; + break; + + default: + break; + } + + return( ret ); + +} + + +__GLXFBConfig *glxLookupFBConfig( GLXFBConfigID id ) +{ + int i,j; + + for (i=0, j=0; i<__glXNumFBConfigs; i++,j+=(__glXNumActiveScreens+1) ) { + if ( __glXFBConfigs[j]->id == id) + return( __glXFBConfigs[j] ); + } + + return(NULL); +} + +__GLXFBConfig *glxLookupFBConfigByVID( VisualID vid ) +{ + int i,j; + + for (i=0, j=0; i<__glXNumFBConfigs; i++,j+=(__glXNumActiveScreens+1) ) { + if ( __glXFBConfigs[j]->associatedVisualId == vid) + return( __glXFBConfigs[j] ); + } + + return(NULL); +} + +__GLXFBConfig *glxLookupBackEndFBConfig( GLXFBConfigID id, int screen ) +{ + int i; + int j; + + for (i=0, j=0; i<__glXNumFBConfigs; i++,j+=(__glXNumActiveScreens+1) ) { + if ( __glXFBConfigs[j]->id == id) + return( __glXFBConfigs[j+screen+1] ); + } + + return(NULL); + +} + +int glxIsExtensionSupported( char *ext ) +{ + return( strstr(ExtensionsString, ext) != NULL ); +} diff --git a/xorg-server/hw/dmx/glxProxy/glxsingle.c b/xorg-server/hw/dmx/glxProxy/glxsingle.c index dcc604052..19f12ad58 100644 --- a/xorg-server/hw/dmx/glxProxy/glxsingle.c +++ b/xorg-server/hw/dmx/glxProxy/glxsingle.c @@ -1,1012 +1,1012 @@ -/* DO NOT EDIT - THIS FILE IS AUTOMATICALLY GENERATED */ -/* - * 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 -#endif - -#include "dmx.h" -#include "dmxwindow.h" -#include "dmxpixmap.h" -#include "dmxfont.h" -#include "dmxcb.h" - -#undef Xmalloc -#undef Xcalloc -#undef Xrealloc -#undef Xfree - -#include "glxserver.h" -#include "glxext.h" -#include "g_disptab.h" -/* #include "g_disptab_EXT.h" */ -#include "unpack.h" -#include "glxutil.h" - -#include "GL/glxproto.h" - -#ifdef PANORAMIX -#include "panoramiXsrv.h" -#endif - -/* - * GetReqSingle - this is the equivalent of GetReq macro - * from Xlibint.h but it does not set the reqType field (the opcode). - * this is because the GL single opcodes has different naming convension - * the other X opcodes (ie. X_GLsop_GetFloatv). - */ -#if (defined(__STDC__) && !defined(UNIXCPP)) || defined(ANSICPP) -#define GetReqSingle(name, req) \ - WORD64ALIGN\ - if ((dpy->bufptr + SIZEOF(x##name##Req)) > dpy->bufmax)\ - _XFlush(dpy);\ - req = (x##name##Req *)(dpy->last_req = dpy->bufptr);\ - req->length = (SIZEOF(x##name##Req))>>2;\ - dpy->bufptr += SIZEOF(x##name##Req);\ - dpy->request++ - -#else /* non-ANSI C uses empty comment instead of "##" for token concatenation */ -#define GetReqSingle(name, req) \ - WORD64ALIGN\ - if ((dpy->bufptr + SIZEOF(x/**/name/**/Req)) > dpy->bufmax)\ - _XFlush(dpy);\ - req = (x/**/name/**/Req *)(dpy->last_req = dpy->bufptr);\ - req->length = (SIZEOF(x/**/name/**/Req))>>2;\ - dpy->bufptr += SIZEOF(x/**/name/**/Req);\ - dpy->request++ -#endif - -#define X_GLXSingle 0 /* needed by GetReqExtra */ - -extern Display *GetBackEndDisplay( __GLXclientState *cl, int s ); -extern int GetCurrentBackEndTag(__GLXclientState *cl, GLXContextTag tag, int s); - -static int swap_vec_element_size = 0; - -static void SendSwappedReply( ClientPtr client, - xGLXSingleReply *reply, - char *buf, - int buf_size ) -{ - __GLX_DECLARE_SWAP_VARIABLES; - __GLX_SWAP_SHORT(&reply->sequenceNumber); - __GLX_SWAP_INT(&reply->length); - __GLX_SWAP_INT(&reply->retval); - __GLX_SWAP_INT(&reply->size); - - if ( (buf_size == 0) && (swap_vec_element_size > 0) ) { - /* - * the reply has single component - need to swap pad3 - */ - if (swap_vec_element_size == 2) { - __GLX_SWAP_SHORT(&reply->pad3); - } - else if (swap_vec_element_size == 4) { - __GLX_SWAP_INT(&reply->pad3); - __GLX_SWAP_INT(&reply->pad4); /* some requests use also pad4 - * i.e GetConvolutionFilter - */ - } - else if (swap_vec_element_size == 8) { - __GLX_SWAP_DOUBLE(&reply->pad3); - } - } - else if ( (buf_size > 0) && (swap_vec_element_size > 0) ) { - /* - * the reply has vector of elements which needs to be swapped - */ - int vsize = buf_size / swap_vec_element_size; - char *p = buf; - int i; - - for (i=0; ipad3); - __GLX_SWAP_INT(&reply->pad4); - __GLX_SWAP_INT(&reply->pad5); - __GLX_SWAP_INT(&reply->pad6); - - } - - WriteToClient(client, sizeof(xGLXSingleReply),(char *)reply); - if (buf_size > 0) - WriteToClient(client, buf_size, (char *)buf); - -} - -int __glXForwardSingleReq( __GLXclientState *cl, GLbyte *pc ) -{ - xGLXSingleReq *req = (xGLXSingleReq *)pc; - xGLXSingleReq *be_req; - __GLXcontext *glxc; - int from_screen = 0; - int to_screen = 0; - int buf_size; - int s; - - 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_xGLXSingleReq; - buf_size = (req->length << 2) - sz_xGLXSingleReq; - - /* - * 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); - GetReqSingle(GLXSingle,be_req); - be_req->reqType = dmxScreen->glxMajorOpcode; - be_req->glxCode = req->glxCode; - be_req->length = req->length; - be_req->contextTag = GetCurrentBackEndTag(cl,req->contextTag,s); - if (buf_size > 0) - _XSend(dpy, (const char *)pc, buf_size); - UnlockDisplay(dpy); - SyncHandle(); - - if (req->glxCode == X_GLsop_Flush) { - XFlush(dpy); - } - - } - - return Success; -} - -int __glXForwardPipe0WithReply( __GLXclientState *cl, GLbyte *pc ) -{ - ClientPtr client = cl->client; - xGLXSingleReq *req = (xGLXSingleReq *)pc; - xGLXSingleReq *be_req; - xGLXSingleReply reply; - xGLXSingleReply be_reply; - __GLXcontext *glxc; - int buf_size; - char *be_buf; - int be_buf_size; - DMXScreenInfo *dmxScreen; - Display *dpy; - - glxc = __glXLookupContextByTag(cl, req->contextTag); - if (!glxc) { - return __glXBadContext; - } - - pc += sz_xGLXSingleReq; - buf_size = (req->length << 2) - sz_xGLXSingleReq; - - dmxScreen = &dmxScreens[glxc->pScreen->myNum]; - dpy = GetBackEndDisplay(cl, glxc->pScreen->myNum); - - /* - * send the request to the first back-end server - */ - LockDisplay(dpy); - GetReqSingle(GLXSingle,be_req); - be_req->reqType = dmxScreen->glxMajorOpcode; - be_req->glxCode = req->glxCode; - be_req->length = req->length; - be_req->contextTag = GetCurrentBackEndTag(cl,req->contextTag,glxc->pScreen->myNum); - if (buf_size > 0) - _XSend(dpy, (const char *)pc, buf_size); - - /* - * get the reply from the back-end server - */ - _XReply(dpy, (xReply*) &be_reply, 0, False); - be_buf_size = be_reply.length << 2; - if (be_buf_size > 0) { - be_buf = (char *)Xalloc( be_buf_size ); - if (be_buf) { - _XRead(dpy, be_buf, be_buf_size); - } - else { - /* Throw data on the floor */ - _XEatData(dpy, be_buf_size); - return BadAlloc; - } - } - - UnlockDisplay(dpy); - SyncHandle(); - - /* - * send the reply to the client - */ - reply.type = X_Reply; - reply.sequenceNumber = client->sequence; - reply.length = be_reply.length; - reply.retval = be_reply.retval; - reply.size = be_reply.size; - reply.pad3 = be_reply.pad3; - reply.pad4 = be_reply.pad4; - - if (client->swapped) { - SendSwappedReply( client, &reply, be_buf, be_buf_size ); - } - else { - WriteToClient(client, sizeof(xGLXSingleReply),(char *)&reply); - if (be_buf_size > 0) - WriteToClient(client, be_buf_size, (char *)be_buf); - } - - if (be_buf_size > 0) Xfree(be_buf); - - return Success; -} - -int __glXForwardAllWithReply( __GLXclientState *cl, GLbyte *pc ) -{ - ClientPtr client = cl->client; - xGLXSingleReq *req = (xGLXSingleReq *)pc; - xGLXSingleReq *be_req; - xGLXSingleReply reply; - xGLXSingleReply be_reply; - __GLXcontext *glxc; - int buf_size; - char *be_buf; - int be_buf_size; - int from_screen = 0; - int to_screen = 0; - int s; - - DMXScreenInfo *dmxScreen; - Display *dpy; - - 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_xGLXSingleReq; - buf_size = (req->length << 2) - sz_xGLXSingleReq; - - /* - * send the request to the first back-end server(s) - */ - for (s=to_screen; s>=from_screen; s--) { - dmxScreen = &dmxScreens[s]; - dpy = GetBackEndDisplay(cl,s); - - LockDisplay(dpy); - GetReqSingle(GLXSingle,be_req); - be_req->reqType = dmxScreen->glxMajorOpcode; - be_req->glxCode = req->glxCode; - be_req->length = req->length; - be_req->contextTag = GetCurrentBackEndTag(cl,req->contextTag,s); - if (buf_size > 0) - _XSend(dpy, (const char *)pc, buf_size); - - /* - * get the reply from the back-end server - */ - _XReply(dpy, (xReply*) &be_reply, 0, False); - be_buf_size = be_reply.length << 2; - if (be_buf_size > 0) { - be_buf = (char *)Xalloc( be_buf_size ); - if (be_buf) { - _XRead(dpy, be_buf, be_buf_size); - } - else { - /* Throw data on the floor */ - _XEatData(dpy, be_buf_size); - return BadAlloc; - } - } - - UnlockDisplay(dpy); - SyncHandle(); - - if (s > from_screen && be_buf_size > 0) { - Xfree(be_buf); - } - } - - /* - * send the reply to the client - */ - reply.type = X_Reply; - reply.sequenceNumber = client->sequence; - reply.length = be_reply.length; - reply.retval = be_reply.retval; - reply.size = be_reply.size; - reply.pad3 = be_reply.pad3; - reply.pad4 = be_reply.pad4; - - if (client->swapped) { - SendSwappedReply( client, &reply, be_buf, be_buf_size ); - } - else { - WriteToClient(client, sizeof(xGLXSingleReply),(char *)&reply); - if (be_buf_size > 0) - WriteToClient(client, be_buf_size, (char *)be_buf); - } - - if (be_buf_size > 0) Xfree(be_buf); - - return Success; -} - -int __glXForwardSingleReqSwap( __GLXclientState *cl, GLbyte *pc ) -{ - xGLXSingleReq *req = (xGLXSingleReq *)pc; - __GLX_DECLARE_SWAP_VARIABLES; - - __GLX_SWAP_SHORT(&req->length); - __GLX_SWAP_INT(&req->contextTag); - - swap_vec_element_size = 0; - - /* - * swap extra data in request - assuming all data - * (if available) are arrays of 4 bytes components ! - */ - if (req->length > sz_xGLXSingleReq/4) { - int *data = (int *)(req+1); - int count = req->length - sz_xGLXSingleReq/4; - __GLX_SWAP_INT_ARRAY(data, count ); - } - - return( __glXForwardSingleReq( cl, pc ) ); -} - -int __glXForwardPipe0WithReplySwap( __GLXclientState *cl, GLbyte *pc ) -{ - xGLXSingleReq *req = (xGLXSingleReq *)pc; - __GLX_DECLARE_SWAP_VARIABLES; - - __GLX_SWAP_SHORT(&req->length); - __GLX_SWAP_INT(&req->contextTag); - - swap_vec_element_size = 0; - - /* - * swap extra data in request - assuming all data - * (if available) are arrays of 4 bytes components ! - */ - if (req->length > sz_xGLXSingleReq/4) { - int *data = (int *)(req+1); - int count = req->length - sz_xGLXSingleReq/4; - __GLX_SWAP_INT_ARRAY(data, count ); - } - - return( __glXForwardPipe0WithReply( cl, pc ) ); -} - -int __glXForwardPipe0WithReplySwapsv( __GLXclientState *cl, GLbyte *pc ) -{ - xGLXSingleReq *req = (xGLXSingleReq *)pc; - __GLX_DECLARE_SWAP_VARIABLES; - - __GLX_SWAP_SHORT(&req->length); - __GLX_SWAP_INT(&req->contextTag); - - swap_vec_element_size = 2; - - /* - * swap extra data in request - assuming all data - * (if available) are arrays of 4 bytes components ! - */ - if (req->length > sz_xGLXSingleReq/4) { - int *data = (int *)(req+1); - int count = req->length - sz_xGLXSingleReq/4; - __GLX_SWAP_INT_ARRAY(data, count ); - } - - - return( __glXForwardPipe0WithReply( cl, pc ) ); -} - -int __glXForwardPipe0WithReplySwapiv( __GLXclientState *cl, GLbyte *pc ) -{ - xGLXSingleReq *req = (xGLXSingleReq *)pc; - __GLX_DECLARE_SWAP_VARIABLES; - - __GLX_SWAP_SHORT(&req->length); - __GLX_SWAP_INT(&req->contextTag); - - swap_vec_element_size = 4; - - /* - * swap extra data in request - assuming all data - * (if available) are arrays of 4 bytes components ! - */ - if (req->length > sz_xGLXSingleReq/4) { - int *data = (int *)(req+1); - int count = req->length - sz_xGLXSingleReq/4; - __GLX_SWAP_INT_ARRAY(data, count ); - } - - - return( __glXForwardPipe0WithReply( cl, pc ) ); -} - -int __glXForwardPipe0WithReplySwapdv( __GLXclientState *cl, GLbyte *pc ) -{ - xGLXSingleReq *req = (xGLXSingleReq *)pc; - __GLX_DECLARE_SWAP_VARIABLES; - - __GLX_SWAP_SHORT(&req->length); - __GLX_SWAP_INT(&req->contextTag); - - swap_vec_element_size = 8; - - /* - * swap extra data in request - assuming all data - * (if available) are arrays of 4 bytes components ! - */ - if (req->length > sz_xGLXSingleReq/4) { - int *data = (int *)(req+1); - int count = req->length - sz_xGLXSingleReq/4; - __GLX_SWAP_INT_ARRAY(data, count ); - } - - - return( __glXForwardPipe0WithReply( cl, pc ) ); -} - -int __glXForwardAllWithReplySwap( __GLXclientState *cl, GLbyte *pc ) -{ - xGLXSingleReq *req = (xGLXSingleReq *)pc; - __GLX_DECLARE_SWAP_VARIABLES; - - __GLX_SWAP_SHORT(&req->length); - __GLX_SWAP_INT(&req->contextTag); - - swap_vec_element_size = 0; - - /* - * swap extra data in request - assuming all data - * (if available) are arrays of 4 bytes components ! - */ - if (req->length > sz_xGLXSingleReq/4) { - int *data = (int *)(req+1); - int count = req->length - sz_xGLXSingleReq/4; - __GLX_SWAP_INT_ARRAY(data, count ); - } - - - return( __glXForwardAllWithReply( cl, pc ) ); -} - -int __glXForwardAllWithReplySwapsv( __GLXclientState *cl, GLbyte *pc ) -{ - xGLXSingleReq *req = (xGLXSingleReq *)pc; - __GLX_DECLARE_SWAP_VARIABLES; - - __GLX_SWAP_SHORT(&req->length); - __GLX_SWAP_INT(&req->contextTag); - - swap_vec_element_size = 2; - - /* - * swap extra data in request - assuming all data - * (if available) are arrays of 4 bytes components ! - */ - if (req->length > sz_xGLXSingleReq/4) { - int *data = (int *)(req+1); - int count = req->length - sz_xGLXSingleReq/4; - __GLX_SWAP_INT_ARRAY(data, count ); - } - - - return( __glXForwardAllWithReply( cl, pc ) ); -} - -int __glXForwardAllWithReplySwapiv( __GLXclientState *cl, GLbyte *pc ) -{ - xGLXSingleReq *req = (xGLXSingleReq *)pc; - __GLX_DECLARE_SWAP_VARIABLES; - - __GLX_SWAP_SHORT(&req->length); - __GLX_SWAP_INT(&req->contextTag); - - swap_vec_element_size = 4; - - /* - * swap extra data in request - assuming all data - * (if available) are arrays of 4 bytes components ! - */ - if (req->length > sz_xGLXSingleReq/4) { - int *data = (int *)(req+1); - int count = req->length - sz_xGLXSingleReq/4; - __GLX_SWAP_INT_ARRAY(data, count ); - } - - - return( __glXForwardAllWithReply( cl, pc ) ); -} - -int __glXForwardAllWithReplySwapdv( __GLXclientState *cl, GLbyte *pc ) -{ - xGLXSingleReq *req = (xGLXSingleReq *)pc; - __GLX_DECLARE_SWAP_VARIABLES; - - __GLX_SWAP_SHORT(&req->length); - __GLX_SWAP_INT(&req->contextTag); - - swap_vec_element_size = 8; - - /* - * swap extra data in request - assuming all data - * (if available) are arrays of 4 bytes components ! - */ - if (req->length > sz_xGLXSingleReq/4) { - int *data = (int *)(req+1); - int count = req->length - sz_xGLXSingleReq/4; - __GLX_SWAP_INT_ARRAY(data, count ); - } - - - return( __glXForwardAllWithReply( cl, pc ) ); -} - -static GLint __glReadPixels_size(GLenum format, GLenum type, GLint w, GLint h, - int *elementbits_return, int *rowbytes_return ) -{ - GLint elements, esize; - GLint rowsize, padding; - - if (w < 0 || h < 0) { - return -1; - } - switch (format) { - case GL_COLOR_INDEX: - case GL_STENCIL_INDEX: - case GL_DEPTH_COMPONENT: - elements = 1; - break; - case GL_RED: - case GL_GREEN: - case GL_BLUE: - case GL_ALPHA: - case GL_LUMINANCE: - elements = 1; - break; - case GL_LUMINANCE_ALPHA: - elements = 2; - break; - case GL_RGB: - case GL_BGR: - elements = 3; - break; - case GL_RGBA: - case GL_BGRA: - case GL_ABGR_EXT: - elements = 4; - break; - default: - return -1; - } - /* - ** According to the GLX protocol, each row must be padded to a multiple of - ** 4 bytes. 4 bytes also happens to be the default alignment in the pixel - ** store modes of the GL. - */ - switch (type) { - case GL_BITMAP: - if (format == GL_COLOR_INDEX || format == GL_STENCIL_INDEX) { - rowsize = ((w * elements)+7)/8; - padding = rowsize % 4; - if (padding) { - rowsize += 4 - padding; - } - if (elementbits_return) *elementbits_return = elements; - if (rowbytes_return) *rowbytes_return = rowsize; - return (rowsize * h); - } else { - return -1; - } - case GL_BYTE: - case GL_UNSIGNED_BYTE: - esize = 1; - break; - case GL_UNSIGNED_BYTE_3_3_2: - case GL_UNSIGNED_BYTE_2_3_3_REV: - esize = 1; - elements = 1; - break; - case GL_SHORT: - case GL_UNSIGNED_SHORT: - esize = 2; - break; - case GL_UNSIGNED_SHORT_5_6_5: - case GL_UNSIGNED_SHORT_5_6_5_REV: - case GL_UNSIGNED_SHORT_4_4_4_4: - case GL_UNSIGNED_SHORT_4_4_4_4_REV: - case GL_UNSIGNED_SHORT_5_5_5_1: - case GL_UNSIGNED_SHORT_1_5_5_5_REV: - esize = 2; - elements = 1; - break; - case GL_INT: - case GL_UNSIGNED_INT: - case GL_FLOAT: - esize = 4; - break; - case GL_UNSIGNED_INT_8_8_8_8: - case GL_UNSIGNED_INT_8_8_8_8_REV: - case GL_UNSIGNED_INT_10_10_10_2: - case GL_UNSIGNED_INT_2_10_10_10_REV: - esize = 4; - elements = 1; - break; - default: - return -1; - } - rowsize = w * elements * esize; - padding = rowsize % 4; - if (padding) { - rowsize += 4 - padding; - } - - if (elementbits_return) *elementbits_return = esize*elements*8; - if (rowbytes_return) *rowbytes_return = rowsize; - - return (rowsize * h); -} - -static int intersectRect( int x1, int x2, int y1, int y2, - int X1, int X2, int Y1, int Y2, - int *ix1, int *ix2, int *iy1, int *iy2 ) -{ - int right = (x2 < X2 ? x2 : X2); - int bottom = (y2 < Y2 ? y2 : Y2); - int left = (x1 > X1 ? x1 : X1); - int top = (y1 > Y1 ? y1 : Y1); - int width = right - left + 1; - int height = bottom - top + 1; - - if ( (width <= 0) || (height <= 0) ) { - *ix1 = *ix2 = *iy1 = *iy2 = 0; - return(0); - } - else { - *ix1 = left; - *ix2 = right; - *iy1 = top; - *iy2 = bottom; - return( width * height ); - } - -} - -int __glXDisp_ReadPixels(__GLXclientState *cl, GLbyte *pc) -{ - xGLXSingleReq *req = (xGLXSingleReq *)pc; - xGLXSingleReq *be_req; - xGLXReadPixelsReply reply; - xGLXReadPixelsReply be_reply; - GLbyte *be_pc; - GLint x,y; - GLsizei width, height; - GLenum format, type; - GLboolean swapBytes, lsbFirst; - ClientPtr client = cl->client; - DrawablePtr pDraw; - int error; - __GLXcontext *glxc; - int from_screen = 0; - int to_screen = 0; - char *buf; - int buf_size; - int s; - int win_x1, win_x2; - int win_y1, win_y2; - int ebits, rowsize; - __GLX_DECLARE_SWAP_VARIABLES; - - if (client->swapped) { - __GLX_SWAP_INT(&req->contextTag); - } - - 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_xGLXSingleReq; - x = *(GLint *)(pc + 0); - y = *(GLint *)(pc + 4); - width = *(GLsizei *)(pc + 8); - height = *(GLsizei *)(pc + 12); - format = *(GLenum *)(pc + 16); - type = *(GLenum *)(pc + 20); - swapBytes = *(GLboolean *)(pc + 24); - lsbFirst = *(GLboolean *)(pc + 25); - - if (client->swapped) { - __GLX_SWAP_INT(&x); - __GLX_SWAP_INT(&y); - __GLX_SWAP_INT(&width); - __GLX_SWAP_INT(&height); - __GLX_SWAP_INT(&format); - __GLX_SWAP_INT(&type); - swapBytes = !swapBytes; - } - - buf_size = __glReadPixels_size(format,type,width,height, &ebits, &rowsize); - if (buf_size > 0) { - buf = (char *) Xalloc( buf_size ); - if ( !buf ) { - return( BadAlloc ); - } - } - else { - buf_size = 0; - } - - if (buf_size > 0) { - /* - * Get the current drawable this context is bound to - */ - pDraw = __glXLookupDrawableByTag( cl, req->contextTag ); - win_x1 = pDraw->x + x; - win_x2 = win_x1 + width - 1; - win_y1 = (dmxGlobalHeight - pDraw->y - pDraw->height) + y; - win_y2 = win_y1 + height - 1; - if (pDraw->type != DRAWABLE_WINDOW) { - from_screen = to_screen = 0; - } - - for (s=from_screen; s<=to_screen; s++) { - DMXScreenInfo *dmxScreen = &dmxScreens[s]; - Display *dpy = GetBackEndDisplay(cl,s); - int scr_x1 = dmxScreen->rootXOrigin; - int scr_x2 = dmxScreen->rootXOrigin + dmxScreen->scrnWidth - 1; - int scr_y1 = dmxScreen->rootYOrigin; - int scr_y2 = dmxScreen->rootYOrigin + dmxScreen->scrnHeight - 1; - int wx1, wx2, wy1, wy2; - int sx, sy, sw, sh; - int npixels; - - /* - * find the window portion that is on the current screen - */ - if (pDraw->type == DRAWABLE_WINDOW) { - npixels = intersectRect( scr_x1, scr_x2, scr_y1, scr_y2, - win_x1, win_x2, win_y1, win_y2, - &wx1, &wx2, &wy1, &wy2 ); - } - else { - wx1 = win_x1; - wx2 = win_x2; - wy1 = win_y1; - wy2 = win_y2; - npixels = (wx2-wx1+1) * (wy2-wy1+1); - } - - if (npixels > 0) { - - /* send the request to the back-end server */ - LockDisplay(dpy); - GetReqExtra(GLXSingle,__GLX_PAD(26),be_req); - be_req->reqType = dmxScreen->glxMajorOpcode; - be_req->glxCode = X_GLsop_ReadPixels; - be_req->contextTag = GetCurrentBackEndTag(cl,req->contextTag,s); - be_pc = ((GLbyte *)(be_req) + sz_xGLXSingleReq); - - sx = wx1 - pDraw->x; - sy = wy1 - (dmxGlobalHeight - pDraw->y - pDraw->height); - sw = (wx2-wx1+1); - sh = (wy2-wy1+1); - - *(GLint *)(be_pc + 0) = sx; /* x */ - *(GLint *)(be_pc + 4) = sy; /* y */ - *(GLsizei *)(be_pc + 8) = sw; /* width */ - *(GLsizei *)(be_pc + 12) = sh; /* height */ - *(GLenum *)(be_pc + 16) = format; - *(GLenum *)(be_pc + 20) = type; - *(GLboolean *)(be_pc + 24) = swapBytes; - *(GLboolean *)(be_pc + 25) = lsbFirst; - - _XReply(dpy, (xReply*) &be_reply, 0, False); - - if (be_reply.length > 0) { - char *be_buf; - int be_buf_size = be_reply.length << 2; - - be_buf = (char *) Xalloc( be_buf_size ); - if (be_buf) { - _XRead(dpy, be_buf, be_buf_size); - - /* copy pixels data to the right location of the */ - /* reply buffer */ - if ( type != GL_BITMAP ) { - int pbytes = ebits / 8; - char *dst = buf + (sy-y)*rowsize + (sx-x)*pbytes; - char *src = be_buf; - int pad = (pbytes * sw) % 4; - int r; - - for (r=0; r> (sx % 8); - unsigned char src_mask = 0x80; - char *dst = buf + (sy-y+r)*rowsize + (sx-x)/8; - char *src = be_buf + r*src_rowsize; - int b; - - for (b=0; b 1) dst_mask >>= 1; - else { - dst_mask = 0x80; - dst++; - } - - if (src_mask > 1) src_mask >>= 1; - else { - src_mask = 0x80; - src++; - } - } - } - - } - - Xfree( be_buf ); - } - else { - /* Throw data on the floor */ - _XEatData(dpy, be_buf_size); - Xfree( buf ); - return BadAlloc; - } - } - - UnlockDisplay(dpy); - SyncHandle(); - - } /* of npixels > 0 */ - - } /* of for loop */ - - } /* of if buf_size > 0 */ - - reply.type = X_Reply; - reply.sequenceNumber = client->sequence; - reply.length = buf_size >> 2; - - if (client->swapped) { - __GLX_SWAP_SHORT(&reply.sequenceNumber); - __GLX_SWAP_INT(&reply.length); - } - - WriteToClient(client, sizeof(xGLXReadPixelsReply),(char *)&reply); - if (buf_size > 0) { - WriteToClient(client, buf_size, (char *)buf); - Xfree( buf ); - } - - return Success; -} - -int __glXDispSwap_GetTexImage(__GLXclientState *cl, GLbyte *pc) -{ - __GLX_DECLARE_SWAP_VARIABLES; - GLbyte *lpc = pc; - - lpc += sz_xGLXSingleReq; - __GLX_SWAP_INT(lpc+0); - __GLX_SWAP_INT(lpc+4); - __GLX_SWAP_INT(lpc+8); - __GLX_SWAP_INT(lpc+12); - - /* reverse swapBytes */ - *(GLboolean *)(lpc + 16) = ! *(GLboolean *)(lpc + 16); - - return( __glXForwardPipe0WithReplySwap( cl, pc ) ); -} - -int __glXDispSwap_GetColorTable(__GLXclientState *cl, GLbyte *pc) -{ - __GLX_DECLARE_SWAP_VARIABLES; - GLbyte *lpc = pc; - - lpc += sz_xGLXSingleReq; - __GLX_SWAP_INT(lpc+0); - __GLX_SWAP_INT(lpc+4); - __GLX_SWAP_INT(lpc+8); - - /* reverse swapBytes */ - *(GLboolean *)(lpc + 12) = ! *(GLboolean *)(lpc + 12); - - return( __glXForwardPipe0WithReplySwap( cl, pc ) ); -} - - +/* DO NOT EDIT - THIS FILE IS AUTOMATICALLY GENERATED */ +/* + * 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 +#endif + +#include "dmx.h" +#include "dmxwindow.h" +#include "dmxpixmap.h" +#include "dmxfont.h" +#include "dmxcb.h" + +#undef Xmalloc +#undef Xcalloc +#undef Xrealloc +#undef Xfree + +#include "glxserver.h" +#include "glxext.h" +#include "g_disptab.h" +/* #include "g_disptab_EXT.h" */ +#include "unpack.h" +#include "glxutil.h" + +#include "GL/glxproto.h" + +#ifdef PANORAMIX +#include "panoramiXsrv.h" +#endif + +/* + * GetReqSingle - this is the equivalent of GetReq macro + * from Xlibint.h but it does not set the reqType field (the opcode). + * this is because the GL single opcodes has different naming convension + * the other X opcodes (ie. X_GLsop_GetFloatv). + */ +#if (defined(__STDC__) && !defined(UNIXCPP)) || defined(ANSICPP) +#define GetReqSingle(name, req) \ + WORD64ALIGN\ + if ((dpy->bufptr + SIZEOF(x##name##Req)) > dpy->bufmax)\ + _XFlush(dpy);\ + req = (x##name##Req *)(dpy->last_req = dpy->bufptr);\ + req->length = (SIZEOF(x##name##Req))>>2;\ + dpy->bufptr += SIZEOF(x##name##Req);\ + dpy->request++ + +#else /* non-ANSI C uses empty comment instead of "##" for token concatenation */ +#define GetReqSingle(name, req) \ + WORD64ALIGN\ + if ((dpy->bufptr + SIZEOF(x/**/name/**/Req)) > dpy->bufmax)\ + _XFlush(dpy);\ + req = (x/**/name/**/Req *)(dpy->last_req = dpy->bufptr);\ + req->length = (SIZEOF(x/**/name/**/Req))>>2;\ + dpy->bufptr += SIZEOF(x/**/name/**/Req);\ + dpy->request++ +#endif + +#define X_GLXSingle 0 /* needed by GetReqExtra */ + +extern Display *GetBackEndDisplay( __GLXclientState *cl, int s ); +extern int GetCurrentBackEndTag(__GLXclientState *cl, GLXContextTag tag, int s); + +static int swap_vec_element_size = 0; + +static void SendSwappedReply( ClientPtr client, + xGLXSingleReply *reply, + char *buf, + int buf_size ) +{ + __GLX_DECLARE_SWAP_VARIABLES; + __GLX_SWAP_SHORT(&reply->sequenceNumber); + __GLX_SWAP_INT(&reply->length); + __GLX_SWAP_INT(&reply->retval); + __GLX_SWAP_INT(&reply->size); + + if ( (buf_size == 0) && (swap_vec_element_size > 0) ) { + /* + * the reply has single component - need to swap pad3 + */ + if (swap_vec_element_size == 2) { + __GLX_SWAP_SHORT(&reply->pad3); + } + else if (swap_vec_element_size == 4) { + __GLX_SWAP_INT(&reply->pad3); + __GLX_SWAP_INT(&reply->pad4); /* some requests use also pad4 + * i.e GetConvolutionFilter + */ + } + else if (swap_vec_element_size == 8) { + __GLX_SWAP_DOUBLE(&reply->pad3); + } + } + else if ( (buf_size > 0) && (swap_vec_element_size > 0) ) { + /* + * the reply has vector of elements which needs to be swapped + */ + int vsize = buf_size / swap_vec_element_size; + char *p = buf; + int i; + + for (i=0; ipad3); + __GLX_SWAP_INT(&reply->pad4); + __GLX_SWAP_INT(&reply->pad5); + __GLX_SWAP_INT(&reply->pad6); + + } + + WriteToClient(client, sizeof(xGLXSingleReply),(char *)reply); + if (buf_size > 0) + WriteToClient(client, buf_size, (char *)buf); + +} + +int __glXForwardSingleReq( __GLXclientState *cl, GLbyte *pc ) +{ + xGLXSingleReq *req = (xGLXSingleReq *)pc; + xGLXSingleReq *be_req; + __GLXcontext *glxc; + int from_screen = 0; + int to_screen = 0; + int buf_size; + int s; + + 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_xGLXSingleReq; + buf_size = (req->length << 2) - sz_xGLXSingleReq; + + /* + * 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); + GetReqSingle(GLXSingle,be_req); + be_req->reqType = dmxScreen->glxMajorOpcode; + be_req->glxCode = req->glxCode; + be_req->length = req->length; + be_req->contextTag = GetCurrentBackEndTag(cl,req->contextTag,s); + if (buf_size > 0) + _XSend(dpy, (const char *)pc, buf_size); + UnlockDisplay(dpy); + SyncHandle(); + + if (req->glxCode == X_GLsop_Flush) { + XFlush(dpy); + } + + } + + return Success; +} + +int __glXForwardPipe0WithReply( __GLXclientState *cl, GLbyte *pc ) +{ + ClientPtr client = cl->client; + xGLXSingleReq *req = (xGLXSingleReq *)pc; + xGLXSingleReq *be_req; + xGLXSingleReply reply; + xGLXSingleReply be_reply; + __GLXcontext *glxc; + int buf_size; + char *be_buf; + int be_buf_size; + DMXScreenInfo *dmxScreen; + Display *dpy; + + glxc = __glXLookupContextByTag(cl, req->contextTag); + if (!glxc) { + return __glXBadContext; + } + + pc += sz_xGLXSingleReq; + buf_size = (req->length << 2) - sz_xGLXSingleReq; + + dmxScreen = &dmxScreens[glxc->pScreen->myNum]; + dpy = GetBackEndDisplay(cl, glxc->pScreen->myNum); + + /* + * send the request to the first back-end server + */ + LockDisplay(dpy); + GetReqSingle(GLXSingle,be_req); + be_req->reqType = dmxScreen->glxMajorOpcode; + be_req->glxCode = req->glxCode; + be_req->length = req->length; + be_req->contextTag = GetCurrentBackEndTag(cl,req->contextTag,glxc->pScreen->myNum); + if (buf_size > 0) + _XSend(dpy, (const char *)pc, buf_size); + + /* + * get the reply from the back-end server + */ + _XReply(dpy, (xReply*) &be_reply, 0, False); + be_buf_size = be_reply.length << 2; + if (be_buf_size > 0) { + be_buf = (char *)malloc( be_buf_size ); + if (be_buf) { + _XRead(dpy, be_buf, be_buf_size); + } + else { + /* Throw data on the floor */ + _XEatData(dpy, be_buf_size); + return BadAlloc; + } + } + + UnlockDisplay(dpy); + SyncHandle(); + + /* + * send the reply to the client + */ + reply.type = X_Reply; + reply.sequenceNumber = client->sequence; + reply.length = be_reply.length; + reply.retval = be_reply.retval; + reply.size = be_reply.size; + reply.pad3 = be_reply.pad3; + reply.pad4 = be_reply.pad4; + + if (client->swapped) { + SendSwappedReply( client, &reply, be_buf, be_buf_size ); + } + else { + WriteToClient(client, sizeof(xGLXSingleReply),(char *)&reply); + if (be_buf_size > 0) + WriteToClient(client, be_buf_size, (char *)be_buf); + } + + if (be_buf_size > 0) Xfree(be_buf); + + return Success; +} + +int __glXForwardAllWithReply( __GLXclientState *cl, GLbyte *pc ) +{ + ClientPtr client = cl->client; + xGLXSingleReq *req = (xGLXSingleReq *)pc; + xGLXSingleReq *be_req; + xGLXSingleReply reply; + xGLXSingleReply be_reply; + __GLXcontext *glxc; + int buf_size; + char *be_buf; + int be_buf_size; + int from_screen = 0; + int to_screen = 0; + int s; + + DMXScreenInfo *dmxScreen; + Display *dpy; + + 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_xGLXSingleReq; + buf_size = (req->length << 2) - sz_xGLXSingleReq; + + /* + * send the request to the first back-end server(s) + */ + for (s=to_screen; s>=from_screen; s--) { + dmxScreen = &dmxScreens[s]; + dpy = GetBackEndDisplay(cl,s); + + LockDisplay(dpy); + GetReqSingle(GLXSingle,be_req); + be_req->reqType = dmxScreen->glxMajorOpcode; + be_req->glxCode = req->glxCode; + be_req->length = req->length; + be_req->contextTag = GetCurrentBackEndTag(cl,req->contextTag,s); + if (buf_size > 0) + _XSend(dpy, (const char *)pc, buf_size); + + /* + * get the reply from the back-end server + */ + _XReply(dpy, (xReply*) &be_reply, 0, False); + be_buf_size = be_reply.length << 2; + if (be_buf_size > 0) { + be_buf = (char *)malloc( be_buf_size ); + if (be_buf) { + _XRead(dpy, be_buf, be_buf_size); + } + else { + /* Throw data on the floor */ + _XEatData(dpy, be_buf_size); + return BadAlloc; + } + } + + UnlockDisplay(dpy); + SyncHandle(); + + if (s > from_screen && be_buf_size > 0) { + Xfree(be_buf); + } + } + + /* + * send the reply to the client + */ + reply.type = X_Reply; + reply.sequenceNumber = client->sequence; + reply.length = be_reply.length; + reply.retval = be_reply.retval; + reply.size = be_reply.size; + reply.pad3 = be_reply.pad3; + reply.pad4 = be_reply.pad4; + + if (client->swapped) { + SendSwappedReply( client, &reply, be_buf, be_buf_size ); + } + else { + WriteToClient(client, sizeof(xGLXSingleReply),(char *)&reply); + if (be_buf_size > 0) + WriteToClient(client, be_buf_size, (char *)be_buf); + } + + if (be_buf_size > 0) Xfree(be_buf); + + return Success; +} + +int __glXForwardSingleReqSwap( __GLXclientState *cl, GLbyte *pc ) +{ + xGLXSingleReq *req = (xGLXSingleReq *)pc; + __GLX_DECLARE_SWAP_VARIABLES; + + __GLX_SWAP_SHORT(&req->length); + __GLX_SWAP_INT(&req->contextTag); + + swap_vec_element_size = 0; + + /* + * swap extra data in request - assuming all data + * (if available) are arrays of 4 bytes components ! + */ + if (req->length > sz_xGLXSingleReq/4) { + int *data = (int *)(req+1); + int count = req->length - sz_xGLXSingleReq/4; + __GLX_SWAP_INT_ARRAY(data, count ); + } + + return( __glXForwardSingleReq( cl, pc ) ); +} + +int __glXForwardPipe0WithReplySwap( __GLXclientState *cl, GLbyte *pc ) +{ + xGLXSingleReq *req = (xGLXSingleReq *)pc; + __GLX_DECLARE_SWAP_VARIABLES; + + __GLX_SWAP_SHORT(&req->length); + __GLX_SWAP_INT(&req->contextTag); + + swap_vec_element_size = 0; + + /* + * swap extra data in request - assuming all data + * (if available) are arrays of 4 bytes components ! + */ + if (req->length > sz_xGLXSingleReq/4) { + int *data = (int *)(req+1); + int count = req->length - sz_xGLXSingleReq/4; + __GLX_SWAP_INT_ARRAY(data, count ); + } + + return( __glXForwardPipe0WithReply( cl, pc ) ); +} + +int __glXForwardPipe0WithReplySwapsv( __GLXclientState *cl, GLbyte *pc ) +{ + xGLXSingleReq *req = (xGLXSingleReq *)pc; + __GLX_DECLARE_SWAP_VARIABLES; + + __GLX_SWAP_SHORT(&req->length); + __GLX_SWAP_INT(&req->contextTag); + + swap_vec_element_size = 2; + + /* + * swap extra data in request - assuming all data + * (if available) are arrays of 4 bytes components ! + */ + if (req->length > sz_xGLXSingleReq/4) { + int *data = (int *)(req+1); + int count = req->length - sz_xGLXSingleReq/4; + __GLX_SWAP_INT_ARRAY(data, count ); + } + + + return( __glXForwardPipe0WithReply( cl, pc ) ); +} + +int __glXForwardPipe0WithReplySwapiv( __GLXclientState *cl, GLbyte *pc ) +{ + xGLXSingleReq *req = (xGLXSingleReq *)pc; + __GLX_DECLARE_SWAP_VARIABLES; + + __GLX_SWAP_SHORT(&req->length); + __GLX_SWAP_INT(&req->contextTag); + + swap_vec_element_size = 4; + + /* + * swap extra data in request - assuming all data + * (if available) are arrays of 4 bytes components ! + */ + if (req->length > sz_xGLXSingleReq/4) { + int *data = (int *)(req+1); + int count = req->length - sz_xGLXSingleReq/4; + __GLX_SWAP_INT_ARRAY(data, count ); + } + + + return( __glXForwardPipe0WithReply( cl, pc ) ); +} + +int __glXForwardPipe0WithReplySwapdv( __GLXclientState *cl, GLbyte *pc ) +{ + xGLXSingleReq *req = (xGLXSingleReq *)pc; + __GLX_DECLARE_SWAP_VARIABLES; + + __GLX_SWAP_SHORT(&req->length); + __GLX_SWAP_INT(&req->contextTag); + + swap_vec_element_size = 8; + + /* + * swap extra data in request - assuming all data + * (if available) are arrays of 4 bytes components ! + */ + if (req->length > sz_xGLXSingleReq/4) { + int *data = (int *)(req+1); + int count = req->length - sz_xGLXSingleReq/4; + __GLX_SWAP_INT_ARRAY(data, count ); + } + + + return( __glXForwardPipe0WithReply( cl, pc ) ); +} + +int __glXForwardAllWithReplySwap( __GLXclientState *cl, GLbyte *pc ) +{ + xGLXSingleReq *req = (xGLXSingleReq *)pc; + __GLX_DECLARE_SWAP_VARIABLES; + + __GLX_SWAP_SHORT(&req->length); + __GLX_SWAP_INT(&req->contextTag); + + swap_vec_element_size = 0; + + /* + * swap extra data in request - assuming all data + * (if available) are arrays of 4 bytes components ! + */ + if (req->length > sz_xGLXSingleReq/4) { + int *data = (int *)(req+1); + int count = req->length - sz_xGLXSingleReq/4; + __GLX_SWAP_INT_ARRAY(data, count ); + } + + + return( __glXForwardAllWithReply( cl, pc ) ); +} + +int __glXForwardAllWithReplySwapsv( __GLXclientState *cl, GLbyte *pc ) +{ + xGLXSingleReq *req = (xGLXSingleReq *)pc; + __GLX_DECLARE_SWAP_VARIABLES; + + __GLX_SWAP_SHORT(&req->length); + __GLX_SWAP_INT(&req->contextTag); + + swap_vec_element_size = 2; + + /* + * swap extra data in request - assuming all data + * (if available) are arrays of 4 bytes components ! + */ + if (req->length > sz_xGLXSingleReq/4) { + int *data = (int *)(req+1); + int count = req->length - sz_xGLXSingleReq/4; + __GLX_SWAP_INT_ARRAY(data, count ); + } + + + return( __glXForwardAllWithReply( cl, pc ) ); +} + +int __glXForwardAllWithReplySwapiv( __GLXclientState *cl, GLbyte *pc ) +{ + xGLXSingleReq *req = (xGLXSingleReq *)pc; + __GLX_DECLARE_SWAP_VARIABLES; + + __GLX_SWAP_SHORT(&req->length); + __GLX_SWAP_INT(&req->contextTag); + + swap_vec_element_size = 4; + + /* + * swap extra data in request - assuming all data + * (if available) are arrays of 4 bytes components ! + */ + if (req->length > sz_xGLXSingleReq/4) { + int *data = (int *)(req+1); + int count = req->length - sz_xGLXSingleReq/4; + __GLX_SWAP_INT_ARRAY(data, count ); + } + + + return( __glXForwardAllWithReply( cl, pc ) ); +} + +int __glXForwardAllWithReplySwapdv( __GLXclientState *cl, GLbyte *pc ) +{ + xGLXSingleReq *req = (xGLXSingleReq *)pc; + __GLX_DECLARE_SWAP_VARIABLES; + + __GLX_SWAP_SHORT(&req->length); + __GLX_SWAP_INT(&req->contextTag); + + swap_vec_element_size = 8; + + /* + * swap extra data in request - assuming all data + * (if available) are arrays of 4 bytes components ! + */ + if (req->length > sz_xGLXSingleReq/4) { + int *data = (int *)(req+1); + int count = req->length - sz_xGLXSingleReq/4; + __GLX_SWAP_INT_ARRAY(data, count ); + } + + + return( __glXForwardAllWithReply( cl, pc ) ); +} + +static GLint __glReadPixels_size(GLenum format, GLenum type, GLint w, GLint h, + int *elementbits_return, int *rowbytes_return ) +{ + GLint elements, esize; + GLint rowsize, padding; + + if (w < 0 || h < 0) { + return -1; + } + switch (format) { + case GL_COLOR_INDEX: + case GL_STENCIL_INDEX: + case GL_DEPTH_COMPONENT: + elements = 1; + break; + case GL_RED: + case GL_GREEN: + case GL_BLUE: + case GL_ALPHA: + case GL_LUMINANCE: + elements = 1; + break; + case GL_LUMINANCE_ALPHA: + elements = 2; + break; + case GL_RGB: + case GL_BGR: + elements = 3; + break; + case GL_RGBA: + case GL_BGRA: + case GL_ABGR_EXT: + elements = 4; + break; + default: + return -1; + } + /* + ** According to the GLX protocol, each row must be padded to a multiple of + ** 4 bytes. 4 bytes also happens to be the default alignment in the pixel + ** store modes of the GL. + */ + switch (type) { + case GL_BITMAP: + if (format == GL_COLOR_INDEX || format == GL_STENCIL_INDEX) { + rowsize = ((w * elements)+7)/8; + padding = rowsize % 4; + if (padding) { + rowsize += 4 - padding; + } + if (elementbits_return) *elementbits_return = elements; + if (rowbytes_return) *rowbytes_return = rowsize; + return (rowsize * h); + } else { + return -1; + } + case GL_BYTE: + case GL_UNSIGNED_BYTE: + esize = 1; + break; + case GL_UNSIGNED_BYTE_3_3_2: + case GL_UNSIGNED_BYTE_2_3_3_REV: + esize = 1; + elements = 1; + break; + case GL_SHORT: + case GL_UNSIGNED_SHORT: + esize = 2; + break; + case GL_UNSIGNED_SHORT_5_6_5: + case GL_UNSIGNED_SHORT_5_6_5_REV: + case GL_UNSIGNED_SHORT_4_4_4_4: + case GL_UNSIGNED_SHORT_4_4_4_4_REV: + case GL_UNSIGNED_SHORT_5_5_5_1: + case GL_UNSIGNED_SHORT_1_5_5_5_REV: + esize = 2; + elements = 1; + break; + case GL_INT: + case GL_UNSIGNED_INT: + case GL_FLOAT: + esize = 4; + break; + case GL_UNSIGNED_INT_8_8_8_8: + case GL_UNSIGNED_INT_8_8_8_8_REV: + case GL_UNSIGNED_INT_10_10_10_2: + case GL_UNSIGNED_INT_2_10_10_10_REV: + esize = 4; + elements = 1; + break; + default: + return -1; + } + rowsize = w * elements * esize; + padding = rowsize % 4; + if (padding) { + rowsize += 4 - padding; + } + + if (elementbits_return) *elementbits_return = esize*elements*8; + if (rowbytes_return) *rowbytes_return = rowsize; + + return (rowsize * h); +} + +static int intersectRect( int x1, int x2, int y1, int y2, + int X1, int X2, int Y1, int Y2, + int *ix1, int *ix2, int *iy1, int *iy2 ) +{ + int right = (x2 < X2 ? x2 : X2); + int bottom = (y2 < Y2 ? y2 : Y2); + int left = (x1 > X1 ? x1 : X1); + int top = (y1 > Y1 ? y1 : Y1); + int width = right - left + 1; + int height = bottom - top + 1; + + if ( (width <= 0) || (height <= 0) ) { + *ix1 = *ix2 = *iy1 = *iy2 = 0; + return(0); + } + else { + *ix1 = left; + *ix2 = right; + *iy1 = top; + *iy2 = bottom; + return( width * height ); + } + +} + +int __glXDisp_ReadPixels(__GLXclientState *cl, GLbyte *pc) +{ + xGLXSingleReq *req = (xGLXSingleReq *)pc; + xGLXSingleReq *be_req; + xGLXReadPixelsReply reply; + xGLXReadPixelsReply be_reply; + GLbyte *be_pc; + GLint x,y; + GLsizei width, height; + GLenum format, type; + GLboolean swapBytes, lsbFirst; + ClientPtr client = cl->client; + DrawablePtr pDraw; + int error; + __GLXcontext *glxc; + int from_screen = 0; + int to_screen = 0; + char *buf; + int buf_size; + int s; + int win_x1, win_x2; + int win_y1, win_y2; + int ebits, rowsize; + __GLX_DECLARE_SWAP_VARIABLES; + + if (client->swapped) { + __GLX_SWAP_INT(&req->contextTag); + } + + 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_xGLXSingleReq; + x = *(GLint *)(pc + 0); + y = *(GLint *)(pc + 4); + width = *(GLsizei *)(pc + 8); + height = *(GLsizei *)(pc + 12); + format = *(GLenum *)(pc + 16); + type = *(GLenum *)(pc + 20); + swapBytes = *(GLboolean *)(pc + 24); + lsbFirst = *(GLboolean *)(pc + 25); + + if (client->swapped) { + __GLX_SWAP_INT(&x); + __GLX_SWAP_INT(&y); + __GLX_SWAP_INT(&width); + __GLX_SWAP_INT(&height); + __GLX_SWAP_INT(&format); + __GLX_SWAP_INT(&type); + swapBytes = !swapBytes; + } + + buf_size = __glReadPixels_size(format,type,width,height, &ebits, &rowsize); + if (buf_size > 0) { + buf = (char *) malloc( buf_size ); + if ( !buf ) { + return( BadAlloc ); + } + } + else { + buf_size = 0; + } + + if (buf_size > 0) { + /* + * Get the current drawable this context is bound to + */ + pDraw = __glXLookupDrawableByTag( cl, req->contextTag ); + win_x1 = pDraw->x + x; + win_x2 = win_x1 + width - 1; + win_y1 = (dmxGlobalHeight - pDraw->y - pDraw->height) + y; + win_y2 = win_y1 + height - 1; + if (pDraw->type != DRAWABLE_WINDOW) { + from_screen = to_screen = 0; + } + + for (s=from_screen; s<=to_screen; s++) { + DMXScreenInfo *dmxScreen = &dmxScreens[s]; + Display *dpy = GetBackEndDisplay(cl,s); + int scr_x1 = dmxScreen->rootXOrigin; + int scr_x2 = dmxScreen->rootXOrigin + dmxScreen->scrnWidth - 1; + int scr_y1 = dmxScreen->rootYOrigin; + int scr_y2 = dmxScreen->rootYOrigin + dmxScreen->scrnHeight - 1; + int wx1, wx2, wy1, wy2; + int sx, sy, sw, sh; + int npixels; + + /* + * find the window portion that is on the current screen + */ + if (pDraw->type == DRAWABLE_WINDOW) { + npixels = intersectRect( scr_x1, scr_x2, scr_y1, scr_y2, + win_x1, win_x2, win_y1, win_y2, + &wx1, &wx2, &wy1, &wy2 ); + } + else { + wx1 = win_x1; + wx2 = win_x2; + wy1 = win_y1; + wy2 = win_y2; + npixels = (wx2-wx1+1) * (wy2-wy1+1); + } + + if (npixels > 0) { + + /* send the request to the back-end server */ + LockDisplay(dpy); + GetReqExtra(GLXSingle,__GLX_PAD(26),be_req); + be_req->reqType = dmxScreen->glxMajorOpcode; + be_req->glxCode = X_GLsop_ReadPixels; + be_req->contextTag = GetCurrentBackEndTag(cl,req->contextTag,s); + be_pc = ((GLbyte *)(be_req) + sz_xGLXSingleReq); + + sx = wx1 - pDraw->x; + sy = wy1 - (dmxGlobalHeight - pDraw->y - pDraw->height); + sw = (wx2-wx1+1); + sh = (wy2-wy1+1); + + *(GLint *)(be_pc + 0) = sx; /* x */ + *(GLint *)(be_pc + 4) = sy; /* y */ + *(GLsizei *)(be_pc + 8) = sw; /* width */ + *(GLsizei *)(be_pc + 12) = sh; /* height */ + *(GLenum *)(be_pc + 16) = format; + *(GLenum *)(be_pc + 20) = type; + *(GLboolean *)(be_pc + 24) = swapBytes; + *(GLboolean *)(be_pc + 25) = lsbFirst; + + _XReply(dpy, (xReply*) &be_reply, 0, False); + + if (be_reply.length > 0) { + char *be_buf; + int be_buf_size = be_reply.length << 2; + + be_buf = (char *) malloc( be_buf_size ); + if (be_buf) { + _XRead(dpy, be_buf, be_buf_size); + + /* copy pixels data to the right location of the */ + /* reply buffer */ + if ( type != GL_BITMAP ) { + int pbytes = ebits / 8; + char *dst = buf + (sy-y)*rowsize + (sx-x)*pbytes; + char *src = be_buf; + int pad = (pbytes * sw) % 4; + int r; + + for (r=0; r> (sx % 8); + unsigned char src_mask = 0x80; + char *dst = buf + (sy-y+r)*rowsize + (sx-x)/8; + char *src = be_buf + r*src_rowsize; + int b; + + for (b=0; b 1) dst_mask >>= 1; + else { + dst_mask = 0x80; + dst++; + } + + if (src_mask > 1) src_mask >>= 1; + else { + src_mask = 0x80; + src++; + } + } + } + + } + + Xfree( be_buf ); + } + else { + /* Throw data on the floor */ + _XEatData(dpy, be_buf_size); + Xfree( buf ); + return BadAlloc; + } + } + + UnlockDisplay(dpy); + SyncHandle(); + + } /* of npixels > 0 */ + + } /* of for loop */ + + } /* of if buf_size > 0 */ + + reply.type = X_Reply; + reply.sequenceNumber = client->sequence; + reply.length = buf_size >> 2; + + if (client->swapped) { + __GLX_SWAP_SHORT(&reply.sequenceNumber); + __GLX_SWAP_INT(&reply.length); + } + + WriteToClient(client, sizeof(xGLXReadPixelsReply),(char *)&reply); + if (buf_size > 0) { + WriteToClient(client, buf_size, (char *)buf); + Xfree( buf ); + } + + return Success; +} + +int __glXDispSwap_GetTexImage(__GLXclientState *cl, GLbyte *pc) +{ + __GLX_DECLARE_SWAP_VARIABLES; + GLbyte *lpc = pc; + + lpc += sz_xGLXSingleReq; + __GLX_SWAP_INT(lpc+0); + __GLX_SWAP_INT(lpc+4); + __GLX_SWAP_INT(lpc+8); + __GLX_SWAP_INT(lpc+12); + + /* reverse swapBytes */ + *(GLboolean *)(lpc + 16) = ! *(GLboolean *)(lpc + 16); + + return( __glXForwardPipe0WithReplySwap( cl, pc ) ); +} + +int __glXDispSwap_GetColorTable(__GLXclientState *cl, GLbyte *pc) +{ + __GLX_DECLARE_SWAP_VARIABLES; + GLbyte *lpc = pc; + + lpc += sz_xGLXSingleReq; + __GLX_SWAP_INT(lpc+0); + __GLX_SWAP_INT(lpc+4); + __GLX_SWAP_INT(lpc+8); + + /* reverse swapBytes */ + *(GLboolean *)(lpc + 12) = ! *(GLboolean *)(lpc + 12); + + return( __glXForwardPipe0WithReplySwap( cl, pc ) ); +} + + diff --git a/xorg-server/hw/dmx/glxProxy/glxswap.c b/xorg-server/hw/dmx/glxProxy/glxswap.c index 1e184f914..1471d8b5f 100644 --- a/xorg-server/hw/dmx/glxProxy/glxswap.c +++ b/xorg-server/hw/dmx/glxProxy/glxswap.c @@ -1,538 +1,538 @@ -/* - * Copyright 2003 Red Hat Inc., Raleigh, North Carolina. - * - * 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 on 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 and this permission notice (including the - * next paragraph) 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 - * NON-INFRINGEMENT. IN NO EVENT SHALL RED HAT AND/OR THEIR SUPPLIERS - * 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. - */ - -/* - * Authors: - * Kevin E. Martin - * - */ - -#ifdef HAVE_DMX_CONFIG_H -#include -#endif - -#include "dmx.h" -#include "dmxwindow.h" -#include "glxserver.h" -#include "glxswap.h" - -extern int __glXDoSwapBuffers(__GLXclientState *cl, XID drawId, - GLXContextTag tag); - -typedef struct _SwapGroup *SwapGroupPtr; - -static Bool SwapBarrierIsReadyToSwap(GLuint barrier); -static void SwapSwapBarrier(GLuint barrier); -static void UpdateSwapBarrierList(GLuint barrier, - SwapGroupPtr pOldSwap, - SwapGroupPtr pNewSwap); - - -/************************************************************************ - * - * Swap Groups - * - ************************************************************************/ - -typedef struct _SwapGroup { - WindowPtr pWin; - SwapGroupPtr pNext; - - Bool swapping; - Bool sleeping; - GLuint barrier; - - XID drawable; - GLXContextTag tag; - __GLXclientState *clState; -} SwapGroupRec; - - -static void SwapSwapGroup(SwapGroupPtr pSwap) -{ - SwapGroupPtr pCur; - - /* All drawables in swap group are ready to swap, so just swap all - * drawables buffers and then wake up those clients that were - * previously sleeping */ - - for (pCur = pSwap; pCur; pCur = pCur->pNext) { - if (pCur->swapping) { - /* Swap pCur's buffers */ - __glXDoSwapBuffers(pCur->clState, pCur->drawable, pCur->tag); - pCur->swapping = FALSE; - } - - /* Wakeup client */ - if (pCur->sleeping) { - ClientWakeup(pCur->clState->client); - pCur->sleeping = FALSE; - } - } -} - -static Bool SwapGroupIsReadyToSwap(SwapGroupPtr pSwap) -{ - Bool isReady = TRUE; - - /* The swap group is ready to swap when all drawables are ready to - * swap. NOTE: A drawable is also ready to swap if it is not - * currently mapped */ - for (; pSwap; pSwap = pSwap->pNext) { - isReady &= (pSwap->swapping || !pSwap->pWin->mapped); - /* FIXME: Should we use pSwap->pWin->mapped or ...->realized ??? */ - } - - return isReady; -} - -static Bool SGSwapCleanup(ClientPtr client, pointer closure) -{ - /* SwapGroupPtr pSwap = (SwapGroupPtr)closure; */ - - /* This should not be called unless the client has died in which - * case we should remove the buffer from the swap list */ - - return TRUE; -} - -int SGSwapBuffers(__GLXclientState *cl, XID drawId, GLXContextTag tag, - DrawablePtr pDraw) -{ - WindowPtr pWin = (WindowPtr)pDraw; - dmxWinPrivPtr pWinPriv = DMX_GET_WINDOW_PRIV(pWin); - SwapGroupPtr pSwap = pWinPriv->swapGroup; - SwapGroupPtr pCur; - - for (pCur = pSwap; pCur && pCur->pWin != pWin; pCur = pCur->pNext); - if (!pCur) - return BadDrawable; - - pCur->clState = cl; - pCur->drawable = drawId; - pCur->tag = tag; - - /* We are now in the process of swapping */ - pCur->swapping = TRUE; - - if (pSwap->barrier && SwapBarrierIsReadyToSwap(pSwap->barrier)) { - /* The swap group is bound to a barrier and the barrier is ready - * to swap, so swap all the swap groups that are bound to this - * group's swap barrier */ - SwapSwapBarrier(pSwap->barrier); - } else if (!pSwap->barrier && SwapGroupIsReadyToSwap(pSwap)) { - /* Do the swap if the entire swap group is ready to swap and the - * group is not bound to a swap barrier */ - SwapSwapGroup(pSwap); - } else { - /* The swap group/barrier is not yet ready to swap, so put - * client to sleep until the rest are ready to swap */ - ClientSleep(cl->client, SGSwapCleanup, (pointer)pWin); - pCur->sleeping = TRUE; - } - - return Success; -} - -static void SGWindowUnmapped(WindowPtr pWin) -{ - dmxWinPrivPtr pWinPriv = DMX_GET_WINDOW_PRIV(pWin); - SwapGroupPtr pSwap = pWinPriv->swapGroup; - - /* Now that one of the windows in the swap group has been unmapped, - * see if the entire swap group/barrier is ready to swap */ - - if (pSwap->barrier && SwapBarrierIsReadyToSwap(pSwap->barrier)) { - SwapSwapBarrier(pSwap->barrier); - } else if (!pSwap->barrier && SwapGroupIsReadyToSwap(pSwap)) { - SwapSwapGroup(pSwap); - } -} - -static void SGWindowDestroyed(WindowPtr pWin) -{ - JoinSwapGroupSGIX((DrawablePtr)pWin, NULL); -} - -static SwapGroupPtr CreateSwapEntry(WindowPtr pWin) -{ - SwapGroupPtr pEntry; - - /* Allocate new swap group */ - pEntry = xalloc(sizeof(*pEntry)); - if (!pEntry) return NULL; - - /* Initialize swap group */ - pEntry->pWin = pWin; - pEntry->pNext = NULL; - pEntry->swapping = FALSE; - pEntry->sleeping = FALSE; - pEntry->barrier = 0; - /* The following are not initialized until SwapBuffers is called: - * pEntry->drawable - * pEntry->tag - * pEntry->clState - */ - - return pEntry; -} - -static void FreeSwapEntry(SwapGroupPtr pEntry) -{ - /* Since we have removed the drawable from its previous swap group - * and it won't be added to another swap group, the only thing that - * we need to do is to make sure that the drawable's client is not - * sleeping. This could happen if one thread is sleeping, while - * another thread called glxJoinSwapGroup(). Note that all sleeping - * threads should also be swapping, but there is a small window in - * the SGSwapBuffer() logic, above, where swapping can be set but - * sleeping is not. We check both independently here just to be - * pedantic. */ - - /* Handle swap buffer request */ - if (pEntry->swapping) - __glXDoSwapBuffers(pEntry->clState, pEntry->drawable, pEntry->tag); - - /* Wake up client */ - if (pEntry->sleeping) - ClientWakeup(pEntry->clState->client); - - /* We can free the pEntry entry since it has already been removed - * from the swap group list and it won't be needed any longer */ - xfree(pEntry); -} - -int JoinSwapGroupSGIX(DrawablePtr pDraw, DrawablePtr pMember) -{ - if (pDraw->type == DRAWABLE_WINDOW) { - WindowPtr pWin = (WindowPtr)pDraw; - dmxWinPrivPtr pWinPriv = DMX_GET_WINDOW_PRIV(pWin); - SwapGroupPtr pOldSwap = NULL; - SwapGroupPtr pEntry; - - /* If pDraw and pMember are already members of the same swap - * group, just return Success since there is nothing to do */ - for (pEntry = pWinPriv->swapGroup; pEntry; pEntry = pEntry->pNext) - if (pEntry->pWin == (WindowPtr)pMember) - return Success; - - /* Remove pDraw from its current swap group */ - if (pWinPriv->swapGroup) { - SwapGroupPtr pSwapGroup = pWinPriv->swapGroup; - SwapGroupPtr pPrev; - - /* Find old swap entry in swap group and save in pOldSwap - * for later use */ - for (pOldSwap = pWinPriv->swapGroup, pPrev = NULL; - pOldSwap && pOldSwap->pWin != pWin; - pPrev = pOldSwap, pOldSwap = pOldSwap->pNext); - if (!pOldSwap) - return BadDrawable; - - /* Remove pDraw's swap group entry from swap group list */ - if (pPrev) { - pPrev->pNext = pOldSwap->pNext; - } else { - /* pWin is at the head of the swap group list, so we - * need to update all other members of this swap - * group */ - for (pEntry = pOldSwap->pNext; pEntry; pEntry = pEntry->pNext) - DMX_GET_WINDOW_PRIV(pEntry->pWin)->swapGroup - = pOldSwap->pNext; - - /* Update the barrier list as well */ - if (pOldSwap->barrier) - UpdateSwapBarrierList(pOldSwap->barrier, - pOldSwap, pOldSwap->pNext); - - /* Set pSwapGroup to point to the swap group without - * pOldSwap */ - pSwapGroup = pOldSwap->pNext; - } - - /* Check to see if current swap group can now swap since we - * know at this point that pDraw and pMember are guaranteed - * to previously be in different swap groups */ - if (pSwapGroup && SwapGroupIsReadyToSwap(pSwapGroup)) { - SwapSwapGroup(pSwapGroup); - } - - /* Make the old swap entry a standalone group */ - pOldSwap->pNext = NULL; - pOldSwap->barrier = 0; - - /* Reset pWin's swap group */ - pWinPriv->swapGroup = NULL; - pWinPriv->windowDestroyed = NULL; - pWinPriv->windowUnmapped = NULL; - } - - if (!pMember || pMember->type != DRAWABLE_WINDOW) { - /* Free old swap group since it is no longer needed */ - if (pOldSwap) FreeSwapEntry(pOldSwap); - } else if (pDraw == pMember && pOldSwap) { - /* Special case where pDraw was previously created and we - * are now just putting it to its own swap group */ - pWinPriv->swapGroup = pOldSwap; - pWinPriv->windowDestroyed = SGWindowDestroyed; - pWinPriv->windowUnmapped = SGWindowUnmapped; - - /* Check to see if pDraw is ready to swap */ - if (SwapGroupIsReadyToSwap(pOldSwap)) - SwapSwapGroup(pOldSwap); - } else if (pMember->type == DRAWABLE_WINDOW) { - WindowPtr pMemberWin = (WindowPtr)pMember; - dmxWinPrivPtr pMemberPriv = DMX_GET_WINDOW_PRIV(pMemberWin); - SwapGroupPtr pMemberSwapGroup = pMemberPriv->swapGroup; - - /* Finally, how we can add pDraw to pMember's swap group */ - - /* If pMember is not currently in a swap group, then create - * one for it since we are just about to add pDraw to it. */ - if (!pMemberSwapGroup) { - /* Create new swap group */ - pMemberSwapGroup = CreateSwapEntry(pMemberWin); - if (!pMemberSwapGroup) { - if (pOldSwap) FreeSwapEntry(pOldSwap); - return BadAlloc; - } - - /* Set pMember's swap group */ - pMemberPriv->swapGroup = pMemberSwapGroup; - pMemberPriv->windowDestroyed = SGWindowDestroyed; - pMemberPriv->windowUnmapped = SGWindowUnmapped; - } - - /* If pDraw == pMember, that means pDraw was not a member of - * a group previously (or it would have been handled by the - * special case above), so no additional work is required - * since we just created a new swap group for pMember (i.e., - * pDraw). */ - - if (pDraw != pMember) { - /* If pDraw was not previously in a swap group, then create - * an entry for it */ - if (!pOldSwap) { - /* Create new swap group */ - pOldSwap = CreateSwapEntry(pWin); - if (!pOldSwap) { - /* If we just created a swap group for pMember, we - * need to free it here */ - if (pMemberSwapGroup->pNext == NULL) { - FreeSwapEntry(pMemberSwapGroup); - pMemberPriv->swapGroup = NULL; - } - return BadAlloc; - } - } - - /* Find last entry in pMember's swap group */ - for (pEntry = pMemberSwapGroup; - pEntry->pNext; - pEntry = pEntry->pNext); - - /* Add pDraw's swap group entry to pMember's swap group list */ - pEntry->pNext = pOldSwap; - - /* Add pDraw to pMember's swap barrier */ - pOldSwap->barrier = pEntry->barrier; - - /* Set pDraw's swap group */ - pWinPriv->swapGroup = pMemberSwapGroup; - pWinPriv->windowDestroyed = SGWindowDestroyed; - pWinPriv->windowUnmapped = SGWindowUnmapped; - } - } - } - - return Success; -} - - -/************************************************************************ - * - * Swap Barriers - * - ************************************************************************/ - -#define GLX_MAX_SWAP_BARRIERS 10 - -typedef struct _SwapBarrier *SwapBarrierPtr; -typedef struct _SwapBarrier { - SwapGroupPtr pSwap; - SwapBarrierPtr pNext; -} SwapBarrierRec; - -static SwapBarrierPtr SwapBarrierList[GLX_MAX_SWAP_BARRIERS+1]; - -void SwapBarrierInit(void) -{ - int i; - - for (i = 0; i <= GLX_MAX_SWAP_BARRIERS; i++) - SwapBarrierList[i] = NULL; -} - -void SwapBarrierReset(void) -{ - int i; - - for (i = 0; i <= GLX_MAX_SWAP_BARRIERS; i++) { - SwapBarrierPtr pBarrier, pNextBarrier; - for (pBarrier = SwapBarrierList[i]; - pBarrier; - pBarrier = pNextBarrier) { - pNextBarrier = pBarrier->pNext; - xfree(pBarrier); - } - SwapBarrierList[i] = NULL; - } -} - -int QueryMaxSwapBarriersSGIX(int screen) -{ - return GLX_MAX_SWAP_BARRIERS; -} - -static Bool BindSwapGroupToBarrier(GLuint barrier, SwapGroupPtr pSwapGroup) -{ - SwapBarrierPtr pBarrier; - - pBarrier = xalloc(sizeof(*pBarrier)); - if (!pBarrier) return FALSE; - - /* Add the swap group to barrier's list */ - pBarrier->pSwap = pSwapGroup; - pBarrier->pNext = SwapBarrierList[barrier]; - SwapBarrierList[barrier] = pBarrier; - - return TRUE; -} - -static Bool UnbindSwapGroupFromBarrier(GLuint barrier, SwapGroupPtr pSwapGroup) -{ - SwapBarrierPtr pBarrier, pPrevBarrier; - - /* Find the swap group in barrier's list */ - for (pBarrier = SwapBarrierList[barrier], pPrevBarrier = NULL; - pBarrier && pBarrier->pSwap != pSwapGroup; - pPrevBarrier = pBarrier, pBarrier = pBarrier->pNext); - if (!pBarrier) return FALSE; - - /* Remove the swap group from barrier's list */ - if (pPrevBarrier) pPrevBarrier->pNext = pBarrier->pNext; - else SwapBarrierList[barrier] = pBarrier->pNext; - - /* Free memory */ - xfree(pBarrier); - - return TRUE; -} - -static void UpdateSwapBarrierList(GLuint barrier, - SwapGroupPtr pOldSwap, - SwapGroupPtr pNewSwap) -{ - SwapBarrierPtr pBarrier; - - /* If the old swap group is being destroyed, then we need to remove - * the swap group from the list entirely */ - if (!pNewSwap) { - UnbindSwapGroupFromBarrier(barrier, pOldSwap); - return; - } - - /* Otherwise, find the old swap group in the barrier list and change - * it to the new swap group */ - for (pBarrier = SwapBarrierList[barrier]; - pBarrier; - pBarrier = pBarrier->pNext) { - if (pBarrier->pSwap == pOldSwap) { - pBarrier->pSwap = pNewSwap; - return; - } - } -} - -static Bool SwapBarrierIsReadyToSwap(GLuint barrier) -{ - SwapBarrierPtr pBarrier; - Bool isReady = TRUE; - - /* The swap barier is ready to swap when swap groups that are bound - * to barrier are ready to swap */ - for (pBarrier = SwapBarrierList[barrier]; - pBarrier; - pBarrier = pBarrier->pNext) - isReady &= SwapGroupIsReadyToSwap(pBarrier->pSwap); - - return isReady; -} - -static void SwapSwapBarrier(GLuint barrier) -{ - SwapBarrierPtr pBarrier; - - /* Swap each group that is a member of this barrier */ - for (pBarrier = SwapBarrierList[barrier]; - pBarrier; - pBarrier = pBarrier->pNext) - SwapSwapGroup(pBarrier->pSwap); -} - -int BindSwapBarrierSGIX(DrawablePtr pDraw, int barrier) -{ - /* FIXME: Check for errors when pDraw->type != DRAWABLE_WINDOW */ - - if (barrier < 0 || barrier > GLX_MAX_SWAP_BARRIERS) - return BadValue; - - if (pDraw->type == DRAWABLE_WINDOW) { - WindowPtr pWin = (WindowPtr)pDraw; - dmxWinPrivPtr pWinPriv = DMX_GET_WINDOW_PRIV(pWin); - SwapGroupPtr pSwapGroup = pWinPriv->swapGroup; - SwapGroupPtr pCur; - - if (!pSwapGroup) return BadDrawable; - if (barrier && pSwapGroup->barrier) return BadValue; - - /* Update the swap barrier list */ - if (barrier) { - if (!BindSwapGroupToBarrier(barrier, pSwapGroup)) - return BadAlloc; - } else { - if (!UnbindSwapGroupFromBarrier(pSwapGroup->barrier, pSwapGroup)) - return BadDrawable; - } - - /* Set the barrier for each member of this swap group */ - for (pCur = pSwapGroup; pCur; pCur = pCur->pNext) - pCur->barrier = barrier; - } - - return Success; -} +/* + * Copyright 2003 Red Hat Inc., Raleigh, North Carolina. + * + * 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 on 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 and this permission notice (including the + * next paragraph) 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 + * NON-INFRINGEMENT. IN NO EVENT SHALL RED HAT AND/OR THEIR SUPPLIERS + * 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. + */ + +/* + * Authors: + * Kevin E. Martin + * + */ + +#ifdef HAVE_DMX_CONFIG_H +#include +#endif + +#include "dmx.h" +#include "dmxwindow.h" +#include "glxserver.h" +#include "glxswap.h" + +extern int __glXDoSwapBuffers(__GLXclientState *cl, XID drawId, + GLXContextTag tag); + +typedef struct _SwapGroup *SwapGroupPtr; + +static Bool SwapBarrierIsReadyToSwap(GLuint barrier); +static void SwapSwapBarrier(GLuint barrier); +static void UpdateSwapBarrierList(GLuint barrier, + SwapGroupPtr pOldSwap, + SwapGroupPtr pNewSwap); + + +/************************************************************************ + * + * Swap Groups + * + ************************************************************************/ + +typedef struct _SwapGroup { + WindowPtr pWin; + SwapGroupPtr pNext; + + Bool swapping; + Bool sleeping; + GLuint barrier; + + XID drawable; + GLXContextTag tag; + __GLXclientState *clState; +} SwapGroupRec; + + +static void SwapSwapGroup(SwapGroupPtr pSwap) +{ + SwapGroupPtr pCur; + + /* All drawables in swap group are ready to swap, so just swap all + * drawables buffers and then wake up those clients that were + * previously sleeping */ + + for (pCur = pSwap; pCur; pCur = pCur->pNext) { + if (pCur->swapping) { + /* Swap pCur's buffers */ + __glXDoSwapBuffers(pCur->clState, pCur->drawable, pCur->tag); + pCur->swapping = FALSE; + } + + /* Wakeup client */ + if (pCur->sleeping) { + ClientWakeup(pCur->clState->client); + pCur->sleeping = FALSE; + } + } +} + +static Bool SwapGroupIsReadyToSwap(SwapGroupPtr pSwap) +{ + Bool isReady = TRUE; + + /* The swap group is ready to swap when all drawables are ready to + * swap. NOTE: A drawable is also ready to swap if it is not + * currently mapped */ + for (; pSwap; pSwap = pSwap->pNext) { + isReady &= (pSwap->swapping || !pSwap->pWin->mapped); + /* FIXME: Should we use pSwap->pWin->mapped or ...->realized ??? */ + } + + return isReady; +} + +static Bool SGSwapCleanup(ClientPtr client, pointer closure) +{ + /* SwapGroupPtr pSwap = (SwapGroupPtr)closure; */ + + /* This should not be called unless the client has died in which + * case we should remove the buffer from the swap list */ + + return TRUE; +} + +int SGSwapBuffers(__GLXclientState *cl, XID drawId, GLXContextTag tag, + DrawablePtr pDraw) +{ + WindowPtr pWin = (WindowPtr)pDraw; + dmxWinPrivPtr pWinPriv = DMX_GET_WINDOW_PRIV(pWin); + SwapGroupPtr pSwap = pWinPriv->swapGroup; + SwapGroupPtr pCur; + + for (pCur = pSwap; pCur && pCur->pWin != pWin; pCur = pCur->pNext); + if (!pCur) + return BadDrawable; + + pCur->clState = cl; + pCur->drawable = drawId; + pCur->tag = tag; + + /* We are now in the process of swapping */ + pCur->swapping = TRUE; + + if (pSwap->barrier && SwapBarrierIsReadyToSwap(pSwap->barrier)) { + /* The swap group is bound to a barrier and the barrier is ready + * to swap, so swap all the swap groups that are bound to this + * group's swap barrier */ + SwapSwapBarrier(pSwap->barrier); + } else if (!pSwap->barrier && SwapGroupIsReadyToSwap(pSwap)) { + /* Do the swap if the entire swap group is ready to swap and the + * group is not bound to a swap barrier */ + SwapSwapGroup(pSwap); + } else { + /* The swap group/barrier is not yet ready to swap, so put + * client to sleep until the rest are ready to swap */ + ClientSleep(cl->client, SGSwapCleanup, (pointer)pWin); + pCur->sleeping = TRUE; + } + + return Success; +} + +static void SGWindowUnmapped(WindowPtr pWin) +{ + dmxWinPrivPtr pWinPriv = DMX_GET_WINDOW_PRIV(pWin); + SwapGroupPtr pSwap = pWinPriv->swapGroup; + + /* Now that one of the windows in the swap group has been unmapped, + * see if the entire swap group/barrier is ready to swap */ + + if (pSwap->barrier && SwapBarrierIsReadyToSwap(pSwap->barrier)) { + SwapSwapBarrier(pSwap->barrier); + } else if (!pSwap->barrier && SwapGroupIsReadyToSwap(pSwap)) { + SwapSwapGroup(pSwap); + } +} + +static void SGWindowDestroyed(WindowPtr pWin) +{ + JoinSwapGroupSGIX((DrawablePtr)pWin, NULL); +} + +static SwapGroupPtr CreateSwapEntry(WindowPtr pWin) +{ + SwapGroupPtr pEntry; + + /* Allocate new swap group */ + pEntry = malloc(sizeof(*pEntry)); + if (!pEntry) return NULL; + + /* Initialize swap group */ + pEntry->pWin = pWin; + pEntry->pNext = NULL; + pEntry->swapping = FALSE; + pEntry->sleeping = FALSE; + pEntry->barrier = 0; + /* The following are not initialized until SwapBuffers is called: + * pEntry->drawable + * pEntry->tag + * pEntry->clState + */ + + return pEntry; +} + +static void FreeSwapEntry(SwapGroupPtr pEntry) +{ + /* Since we have removed the drawable from its previous swap group + * and it won't be added to another swap group, the only thing that + * we need to do is to make sure that the drawable's client is not + * sleeping. This could happen if one thread is sleeping, while + * another thread called glxJoinSwapGroup(). Note that all sleeping + * threads should also be swapping, but there is a small window in + * the SGSwapBuffer() logic, above, where swapping can be set but + * sleeping is not. We check both independently here just to be + * pedantic. */ + + /* Handle swap buffer request */ + if (pEntry->swapping) + __glXDoSwapBuffers(pEntry->clState, pEntry->drawable, pEntry->tag); + + /* Wake up client */ + if (pEntry->sleeping) + ClientWakeup(pEntry->clState->client); + + /* We can free the pEntry entry since it has already been removed + * from the swap group list and it won't be needed any longer */ + free(pEntry); +} + +int JoinSwapGroupSGIX(DrawablePtr pDraw, DrawablePtr pMember) +{ + if (pDraw->type == DRAWABLE_WINDOW) { + WindowPtr pWin = (WindowPtr)pDraw; + dmxWinPrivPtr pWinPriv = DMX_GET_WINDOW_PRIV(pWin); + SwapGroupPtr pOldSwap = NULL; + SwapGroupPtr pEntry; + + /* If pDraw and pMember are already members of the same swap + * group, just return Success since there is nothing to do */ + for (pEntry = pWinPriv->swapGroup; pEntry; pEntry = pEntry->pNext) + if (pEntry->pWin == (WindowPtr)pMember) + return Success; + + /* Remove pDraw from its current swap group */ + if (pWinPriv->swapGroup) { + SwapGroupPtr pSwapGroup = pWinPriv->swapGroup; + SwapGroupPtr pPrev; + + /* Find old swap entry in swap group and save in pOldSwap + * for later use */ + for (pOldSwap = pWinPriv->swapGroup, pPrev = NULL; + pOldSwap && pOldSwap->pWin != pWin; + pPrev = pOldSwap, pOldSwap = pOldSwap->pNext); + if (!pOldSwap) + return BadDrawable; + + /* Remove pDraw's swap group entry from swap group list */ + if (pPrev) { + pPrev->pNext = pOldSwap->pNext; + } else { + /* pWin is at the head of the swap group list, so we + * need to update all other members of this swap + * group */ + for (pEntry = pOldSwap->pNext; pEntry; pEntry = pEntry->pNext) + DMX_GET_WINDOW_PRIV(pEntry->pWin)->swapGroup + = pOldSwap->pNext; + + /* Update the barrier list as well */ + if (pOldSwap->barrier) + UpdateSwapBarrierList(pOldSwap->barrier, + pOldSwap, pOldSwap->pNext); + + /* Set pSwapGroup to point to the swap group without + * pOldSwap */ + pSwapGroup = pOldSwap->pNext; + } + + /* Check to see if current swap group can now swap since we + * know at this point that pDraw and pMember are guaranteed + * to previously be in different swap groups */ + if (pSwapGroup && SwapGroupIsReadyToSwap(pSwapGroup)) { + SwapSwapGroup(pSwapGroup); + } + + /* Make the old swap entry a standalone group */ + pOldSwap->pNext = NULL; + pOldSwap->barrier = 0; + + /* Reset pWin's swap group */ + pWinPriv->swapGroup = NULL; + pWinPriv->windowDestroyed = NULL; + pWinPriv->windowUnmapped = NULL; + } + + if (!pMember || pMember->type != DRAWABLE_WINDOW) { + /* Free old swap group since it is no longer needed */ + if (pOldSwap) FreeSwapEntry(pOldSwap); + } else if (pDraw == pMember && pOldSwap) { + /* Special case where pDraw was previously created and we + * are now just putting it to its own swap group */ + pWinPriv->swapGroup = pOldSwap; + pWinPriv->windowDestroyed = SGWindowDestroyed; + pWinPriv->windowUnmapped = SGWindowUnmapped; + + /* Check to see if pDraw is ready to swap */ + if (SwapGroupIsReadyToSwap(pOldSwap)) + SwapSwapGroup(pOldSwap); + } else if (pMember->type == DRAWABLE_WINDOW) { + WindowPtr pMemberWin = (WindowPtr)pMember; + dmxWinPrivPtr pMemberPriv = DMX_GET_WINDOW_PRIV(pMemberWin); + SwapGroupPtr pMemberSwapGroup = pMemberPriv->swapGroup; + + /* Finally, how we can add pDraw to pMember's swap group */ + + /* If pMember is not currently in a swap group, then create + * one for it since we are just about to add pDraw to it. */ + if (!pMemberSwapGroup) { + /* Create new swap group */ + pMemberSwapGroup = CreateSwapEntry(pMemberWin); + if (!pMemberSwapGroup) { + if (pOldSwap) FreeSwapEntry(pOldSwap); + return BadAlloc; + } + + /* Set pMember's swap group */ + pMemberPriv->swapGroup = pMemberSwapGroup; + pMemberPriv->windowDestroyed = SGWindowDestroyed; + pMemberPriv->windowUnmapped = SGWindowUnmapped; + } + + /* If pDraw == pMember, that means pDraw was not a member of + * a group previously (or it would have been handled by the + * special case above), so no additional work is required + * since we just created a new swap group for pMember (i.e., + * pDraw). */ + + if (pDraw != pMember) { + /* If pDraw was not previously in a swap group, then create + * an entry for it */ + if (!pOldSwap) { + /* Create new swap group */ + pOldSwap = CreateSwapEntry(pWin); + if (!pOldSwap) { + /* If we just created a swap group for pMember, we + * need to free it here */ + if (pMemberSwapGroup->pNext == NULL) { + FreeSwapEntry(pMemberSwapGroup); + pMemberPriv->swapGroup = NULL; + } + return BadAlloc; + } + } + + /* Find last entry in pMember's swap group */ + for (pEntry = pMemberSwapGroup; + pEntry->pNext; + pEntry = pEntry->pNext); + + /* Add pDraw's swap group entry to pMember's swap group list */ + pEntry->pNext = pOldSwap; + + /* Add pDraw to pMember's swap barrier */ + pOldSwap->barrier = pEntry->barrier; + + /* Set pDraw's swap group */ + pWinPriv->swapGroup = pMemberSwapGroup; + pWinPriv->windowDestroyed = SGWindowDestroyed; + pWinPriv->windowUnmapped = SGWindowUnmapped; + } + } + } + + return Success; +} + + +/************************************************************************ + * + * Swap Barriers + * + ************************************************************************/ + +#define GLX_MAX_SWAP_BARRIERS 10 + +typedef struct _SwapBarrier *SwapBarrierPtr; +typedef struct _SwapBarrier { + SwapGroupPtr pSwap; + SwapBarrierPtr pNext; +} SwapBarrierRec; + +static SwapBarrierPtr SwapBarrierList[GLX_MAX_SWAP_BARRIERS+1]; + +void SwapBarrierInit(void) +{ + int i; + + for (i = 0; i <= GLX_MAX_SWAP_BARRIERS; i++) + SwapBarrierList[i] = NULL; +} + +void SwapBarrierReset(void) +{ + int i; + + for (i = 0; i <= GLX_MAX_SWAP_BARRIERS; i++) { + SwapBarrierPtr pBarrier, pNextBarrier; + for (pBarrier = SwapBarrierList[i]; + pBarrier; + pBarrier = pNextBarrier) { + pNextBarrier = pBarrier->pNext; + free(pBarrier); + } + SwapBarrierList[i] = NULL; + } +} + +int QueryMaxSwapBarriersSGIX(int screen) +{ + return GLX_MAX_SWAP_BARRIERS; +} + +static Bool BindSwapGroupToBarrier(GLuint barrier, SwapGroupPtr pSwapGroup) +{ + SwapBarrierPtr pBarrier; + + pBarrier = malloc(sizeof(*pBarrier)); + if (!pBarrier) return FALSE; + + /* Add the swap group to barrier's list */ + pBarrier->pSwap = pSwapGroup; + pBarrier->pNext = SwapBarrierList[barrier]; + SwapBarrierList[barrier] = pBarrier; + + return TRUE; +} + +static Bool UnbindSwapGroupFromBarrier(GLuint barrier, SwapGroupPtr pSwapGroup) +{ + SwapBarrierPtr pBarrier, pPrevBarrier; + + /* Find the swap group in barrier's list */ + for (pBarrier = SwapBarrierList[barrier], pPrevBarrier = NULL; + pBarrier && pBarrier->pSwap != pSwapGroup; + pPrevBarrier = pBarrier, pBarrier = pBarrier->pNext); + if (!pBarrier) return FALSE; + + /* Remove the swap group from barrier's list */ + if (pPrevBarrier) pPrevBarrier->pNext = pBarrier->pNext; + else SwapBarrierList[barrier] = pBarrier->pNext; + + /* Free memory */ + free(pBarrier); + + return TRUE; +} + +static void UpdateSwapBarrierList(GLuint barrier, + SwapGroupPtr pOldSwap, + SwapGroupPtr pNewSwap) +{ + SwapBarrierPtr pBarrier; + + /* If the old swap group is being destroyed, then we need to remove + * the swap group from the list entirely */ + if (!pNewSwap) { + UnbindSwapGroupFromBarrier(barrier, pOldSwap); + return; + } + + /* Otherwise, find the old swap group in the barrier list and change + * it to the new swap group */ + for (pBarrier = SwapBarrierList[barrier]; + pBarrier; + pBarrier = pBarrier->pNext) { + if (pBarrier->pSwap == pOldSwap) { + pBarrier->pSwap = pNewSwap; + return; + } + } +} + +static Bool SwapBarrierIsReadyToSwap(GLuint barrier) +{ + SwapBarrierPtr pBarrier; + Bool isReady = TRUE; + + /* The swap barier is ready to swap when swap groups that are bound + * to barrier are ready to swap */ + for (pBarrier = SwapBarrierList[barrier]; + pBarrier; + pBarrier = pBarrier->pNext) + isReady &= SwapGroupIsReadyToSwap(pBarrier->pSwap); + + return isReady; +} + +static void SwapSwapBarrier(GLuint barrier) +{ + SwapBarrierPtr pBarrier; + + /* Swap each group that is a member of this barrier */ + for (pBarrier = SwapBarrierList[barrier]; + pBarrier; + pBarrier = pBarrier->pNext) + SwapSwapGroup(pBarrier->pSwap); +} + +int BindSwapBarrierSGIX(DrawablePtr pDraw, int barrier) +{ + /* FIXME: Check for errors when pDraw->type != DRAWABLE_WINDOW */ + + if (barrier < 0 || barrier > GLX_MAX_SWAP_BARRIERS) + return BadValue; + + if (pDraw->type == DRAWABLE_WINDOW) { + WindowPtr pWin = (WindowPtr)pDraw; + dmxWinPrivPtr pWinPriv = DMX_GET_WINDOW_PRIV(pWin); + SwapGroupPtr pSwapGroup = pWinPriv->swapGroup; + SwapGroupPtr pCur; + + if (!pSwapGroup) return BadDrawable; + if (barrier && pSwapGroup->barrier) return BadValue; + + /* Update the swap barrier list */ + if (barrier) { + if (!BindSwapGroupToBarrier(barrier, pSwapGroup)) + return BadAlloc; + } else { + if (!UnbindSwapGroupFromBarrier(pSwapGroup->barrier, pSwapGroup)) + return BadDrawable; + } + + /* Set the barrier for each member of this swap group */ + for (pCur = pSwapGroup; pCur; pCur = pCur->pNext) + pCur->barrier = barrier; + } + + return Success; +} diff --git a/xorg-server/hw/dmx/glxProxy/glxutil.c b/xorg-server/hw/dmx/glxProxy/glxutil.c index d0ce50486..2460ed0dc 100644 --- a/xorg-server/hw/dmx/glxProxy/glxutil.c +++ b/xorg-server/hw/dmx/glxProxy/glxutil.c @@ -1,111 +1,111 @@ -/* - * 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. - */ - -#include "glxserver.h" -#include -#include -#include -#include "glxutil.h" -#include - -/************************************************************************/ - -void __glXNop(void) {} - -/************************************************************************/ - -/* Memory Allocation for GLX */ - -void * -__glXMalloc(size_t size) -{ - void *addr; - - if (size == 0) { - return NULL; - } - addr = malloc(size); - if (addr == NULL) { - /* XXX: handle out of memory error */ - return NULL; - } - return addr; -} - -void * -__glXCalloc(size_t numElements, size_t elementSize) -{ - void *addr; - size_t size; - - if ((numElements == 0) || (elementSize == 0)) { - return NULL; - } - addr = calloc(numElements, elementSize); - if (addr == NULL) { - /* XXX: handle out of memory error */ - return NULL; - } - return addr; -} - -void * -__glXRealloc(void *addr, size_t newSize) -{ - void *newAddr; - - if (addr) { - if (newSize == 0) { - xfree(addr); - return NULL; - } else { - newAddr = realloc(addr, newSize); - } - } else { - if (newSize == 0) { - return NULL; - } else { - newAddr = malloc(newSize); - } - } - if (newAddr == NULL) { - return NULL; /* XXX: out of memory */ - } - - return newAddr; -} - -void -__glXFree(void *addr) -{ - if (addr) { - free(addr); - } -} +/* + * 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. + */ + +#include "glxserver.h" +#include +#include +#include +#include "glxutil.h" +#include + +/************************************************************************/ + +void __glXNop(void) {} + +/************************************************************************/ + +/* Memory Allocation for GLX */ + +void * +__glXMalloc(size_t size) +{ + void *addr; + + if (size == 0) { + return NULL; + } + addr = malloc(size); + if (addr == NULL) { + /* XXX: handle out of memory error */ + return NULL; + } + return addr; +} + +void * +__glXCalloc(size_t numElements, size_t elementSize) +{ + void *addr; + size_t size; + + if ((numElements == 0) || (elementSize == 0)) { + return NULL; + } + addr = calloc(numElements, elementSize); + if (addr == NULL) { + /* XXX: handle out of memory error */ + return NULL; + } + return addr; +} + +void * +__glXRealloc(void *addr, size_t newSize) +{ + void *newAddr; + + if (addr) { + if (newSize == 0) { + free(addr); + return NULL; + } else { + newAddr = realloc(addr, newSize); + } + } else { + if (newSize == 0) { + return NULL; + } else { + newAddr = malloc(newSize); + } + } + if (newAddr == NULL) { + return NULL; /* XXX: out of memory */ + } + + return newAddr; +} + +void +__glXFree(void *addr) +{ + if (addr) { + free(addr); + } +} diff --git a/xorg-server/hw/dmx/glxProxy/glxvendor.c b/xorg-server/hw/dmx/glxProxy/glxvendor.c index 6b1f9a820..e8460fad8 100644 --- a/xorg-server/hw/dmx/glxProxy/glxvendor.c +++ b/xorg-server/hw/dmx/glxProxy/glxvendor.c @@ -1,582 +1,582 @@ -/* DO NOT EDIT - THIS FILE IS AUTOMATICALLY GENERATED */ -/* - * 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 -#endif - -#include "dmx.h" -#include "dmxwindow.h" -#include "dmxpixmap.h" -#include "dmxfont.h" - -#undef Xmalloc -#undef Xcalloc -#undef Xrealloc -#undef Xfree - -#include "glxserver.h" -#include "glxext.h" -#include "g_disptab.h" -/* #include "g_disptab_EXT.h" */ -#include "unpack.h" -#include "glxutil.h" - -#include "GL/glxproto.h" - -#ifdef PANORAMIX -#include "panoramiXsrv.h" -#endif - -/* - * GetReqVendorPrivate - this is the equivalent of GetReq macro - * from Xlibint.h but it does not set the reqType field (the opcode). - * this is because the GL single opcodes has different naming convension - * the other X opcodes (ie. X_GLsop_GetFloatv). - */ -#if (defined(__STDC__) && !defined(UNIXCPP)) || defined(ANSICPP) -#define GetReqVendorPrivate(name, req) \ - WORD64ALIGN\ - if ((dpy->bufptr + SIZEOF(x##name##Req)) > dpy->bufmax)\ - _XFlush(dpy);\ - req = (x##name##Req *)(dpy->last_req = dpy->bufptr);\ - req->length = (SIZEOF(x##name##Req))>>2;\ - dpy->bufptr += SIZEOF(x##name##Req);\ - dpy->request++ - -#else /* non-ANSI C uses empty comment instead of "##" for token concatenation */ -#define GetReqVendorPrivate(name, req) \ - WORD64ALIGN\ - if ((dpy->bufptr + SIZEOF(x/**/name/**/Req)) > dpy->bufmax)\ - _XFlush(dpy);\ - req = (x/**/name/**/Req *)(dpy->last_req = dpy->bufptr);\ - req->length = (SIZEOF(x/**/name/**/Req))>>2;\ - dpy->bufptr += SIZEOF(x/**/name/**/Req);\ - dpy->request++ -#endif - -extern Display *GetBackEndDisplay( __GLXclientState *cl, int s ); -extern int GetCurrentBackEndTag(__GLXclientState *cl, GLXContextTag tag, int s); - -static int swap_vec_element_size = 0; - -static void SendSwappedReply( ClientPtr client, - xGLXVendorPrivReply *reply, - char *buf, - int buf_size ) -{ - __GLX_DECLARE_SWAP_VARIABLES; - __GLX_SWAP_SHORT(&reply->sequenceNumber); - __GLX_SWAP_INT(&reply->length); - __GLX_SWAP_INT(&reply->retval); - __GLX_SWAP_INT(&reply->size); - - if ( (buf_size == 0) && (swap_vec_element_size > 0) ) { - /* - * the reply has single component - need to swap pad3 - */ - if (swap_vec_element_size == 2) { - __GLX_SWAP_SHORT(&reply->pad3); - } - else if (swap_vec_element_size == 4) { - __GLX_SWAP_INT(&reply->pad3); - __GLX_SWAP_INT(&reply->pad4); - } - else if (swap_vec_element_size == 8) { - __GLX_SWAP_DOUBLE(&reply->pad3); - } - } - else if ( (buf_size > 0) && (swap_vec_element_size > 0) ) { - /* - * the reply has vector of elements which needs to be swapped - */ - int vsize = buf_size / swap_vec_element_size; - char *p = buf; - int i; - - for (i=0; ipad3); - __GLX_SWAP_INT(&reply->pad4); - __GLX_SWAP_INT(&reply->pad5); - __GLX_SWAP_INT(&reply->pad6); - - } - - WriteToClient(client, sizeof(xGLXVendorPrivReply),(char *)reply); - if (buf_size > 0) - WriteToClient(client, buf_size, (char *)buf); - -} - -int __glXVForwardSingleReq( __GLXclientState *cl, GLbyte *pc ) -{ - xGLXVendorPrivateReq *req = (xGLXVendorPrivateReq *)pc; - xGLXVendorPrivateReq *be_req; - __GLXcontext *glxc; - int from_screen = 0; - int to_screen = 0; - int buf_size; - int s; - - 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_xGLXVendorPrivateReq; - buf_size = (req->length << 2) - sz_xGLXVendorPrivateReq; - - /* - * 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); - GetReqVendorPrivate(GLXVendorPrivate,be_req); - be_req->reqType = dmxScreen->glxMajorOpcode; - be_req->glxCode = req->glxCode; - be_req->length = req->length; - be_req->vendorCode = req->vendorCode; - be_req->contextTag = GetCurrentBackEndTag(cl,req->contextTag,s); - if (buf_size > 0) - _XSend(dpy, (const char *)pc, buf_size); - UnlockDisplay(dpy); - SyncHandle(); - } - - return Success; -} - -int __glXVForwardPipe0WithReply( __GLXclientState *cl, GLbyte *pc ) -{ - ClientPtr client = cl->client; - xGLXVendorPrivateReq *req = (xGLXVendorPrivateReq *)pc; - xGLXVendorPrivateReq *be_req; - xGLXVendorPrivReply reply; - xGLXVendorPrivReply be_reply; - __GLXcontext *glxc; - int buf_size; - char *be_buf; - int be_buf_size; - DMXScreenInfo *dmxScreen; - Display *dpy; - - glxc = __glXLookupContextByTag(cl, req->contextTag); - if (!glxc) { - return __glXBadContext; - } - - pc += sz_xGLXVendorPrivateReq; - buf_size = (req->length << 2) - sz_xGLXVendorPrivateReq; - - dmxScreen = &dmxScreens[glxc->pScreen->myNum]; - dpy = GetBackEndDisplay(cl, glxc->pScreen->myNum); - - /* - * send the request to the first back-end server - */ - LockDisplay(dpy); - GetReqVendorPrivate(GLXVendorPrivate,be_req); - be_req->reqType = dmxScreen->glxMajorOpcode; - be_req->glxCode = req->glxCode; - be_req->length = req->length; - be_req->vendorCode = req->vendorCode; - be_req->contextTag = GetCurrentBackEndTag(cl,req->contextTag, glxc->pScreen->myNum); - if (buf_size > 0) - _XSend(dpy, (const char *)pc, buf_size); - - /* - * get the reply from the back-end server - */ - _XReply(dpy, (xReply*) &be_reply, 0, False); - be_buf_size = be_reply.length << 2; - if (be_buf_size > 0) { - be_buf = (char *)Xalloc( be_buf_size ); - if (be_buf) { - _XRead(dpy, be_buf, be_buf_size); - } - else { - /* Throw data on the floor */ - _XEatData(dpy, be_buf_size); - return BadAlloc; - } - } - - UnlockDisplay(dpy); - SyncHandle(); - - /* - * send the reply to the client - */ - memcpy( &reply, &be_reply, sz_xGLXVendorPrivReply ); - reply.type = X_Reply; - reply.sequenceNumber = client->sequence; - - if (client->swapped) { - SendSwappedReply( client, &reply, be_buf, be_buf_size ); - } - else { - WriteToClient(client, sizeof(xGLXVendorPrivReply),(char *)&reply); - if (be_buf_size > 0) - WriteToClient(client, be_buf_size, (char *)be_buf); - } - - if (be_buf_size > 0) Xfree(be_buf); - - return Success; -} - -int __glXVForwardAllWithReply( __GLXclientState *cl, GLbyte *pc ) -{ - ClientPtr client = cl->client; - xGLXVendorPrivateReq *req = (xGLXVendorPrivateReq *)pc; - xGLXVendorPrivateReq *be_req; - xGLXVendorPrivReply reply; - xGLXVendorPrivReply be_reply; - __GLXcontext *glxc; - int buf_size; - char *be_buf; - int be_buf_size; - int from_screen = 0; - int to_screen = 0; - int s; - - DMXScreenInfo *dmxScreen; - Display *dpy; - - 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_xGLXVendorPrivateReq; - buf_size = (req->length << 2) - sz_xGLXVendorPrivateReq; - - /* - * send the request to the first back-end server(s) - */ - for (s=to_screen; s>=from_screen; s--) { - dmxScreen = &dmxScreens[s]; - dpy = GetBackEndDisplay(cl,s); - - LockDisplay(dpy); - GetReqVendorPrivate(GLXVendorPrivate,be_req); - be_req->reqType = dmxScreen->glxMajorOpcode; - be_req->glxCode = req->glxCode; - be_req->length = req->length; - be_req->vendorCode = req->vendorCode; - be_req->contextTag = GetCurrentBackEndTag(cl,req->contextTag,s); - if (buf_size > 0) - _XSend(dpy, (const char *)pc, buf_size); - - /* - * get the reply from the back-end server - */ - _XReply(dpy, (xReply*) &be_reply, 0, False); - be_buf_size = be_reply.length << 2; - if (be_buf_size > 0) { - be_buf = (char *)Xalloc( be_buf_size ); - if (be_buf) { - _XRead(dpy, be_buf, be_buf_size); - } - else { - /* Throw data on the floor */ - _XEatData(dpy, be_buf_size); - return BadAlloc; - } - } - - UnlockDisplay(dpy); - SyncHandle(); - - if (s > from_screen && be_buf_size > 0) { - Xfree(be_buf); - } - } - - /* - * send the reply to the client - */ - memcpy( &reply, &be_reply, sz_xGLXVendorPrivReply ); - reply.type = X_Reply; - reply.sequenceNumber = client->sequence; - - if (client->swapped) { - SendSwappedReply( client, &reply, be_buf, be_buf_size ); - } - else { - WriteToClient(client, sizeof(xGLXVendorPrivReply),(char *)&reply); - if (be_buf_size > 0) - WriteToClient(client, be_buf_size, (char *)be_buf); - } - - if (be_buf_size > 0) Xfree(be_buf); - - return Success; -} - -int __glXVForwardSingleReqSwap( __GLXclientState *cl, GLbyte *pc ) -{ - xGLXVendorPrivateReq *req = (xGLXVendorPrivateReq *)pc; - __GLX_DECLARE_SWAP_VARIABLES; - - __GLX_SWAP_SHORT(&req->length); - __GLX_SWAP_INT(&req->vendorCode); - __GLX_SWAP_INT(&req->contextTag); - - swap_vec_element_size = 0; - - return( __glXVForwardSingleReq( cl, pc ) ); -} - -int __glXVForwardPipe0WithReplySwap( __GLXclientState *cl, GLbyte *pc ) -{ - xGLXVendorPrivateReq *req = (xGLXVendorPrivateReq *)pc; - __GLX_DECLARE_SWAP_VARIABLES; - - __GLX_SWAP_SHORT(&req->length); - __GLX_SWAP_INT(&req->vendorCode); - __GLX_SWAP_INT(&req->contextTag); - - swap_vec_element_size = 0; - - /* - * swap extra data in request - assuming all data - * (if available) are arrays of 4 bytes components ! - */ - if (req->length > sz_xGLXVendorPrivateReq/4) { - int *data = (int *)(req+1); - int count = req->length - sz_xGLXVendorPrivateReq/4; - __GLX_SWAP_INT_ARRAY(data, count ); - } - - return( __glXVForwardPipe0WithReply( cl, pc ) ); -} - -int __glXVForwardPipe0WithReplySwapsv( __GLXclientState *cl, GLbyte *pc ) -{ - xGLXVendorPrivateReq *req = (xGLXVendorPrivateReq *)pc; - __GLX_DECLARE_SWAP_VARIABLES; - - __GLX_SWAP_SHORT(&req->length); - __GLX_SWAP_INT(&req->vendorCode); - __GLX_SWAP_INT(&req->contextTag); - - swap_vec_element_size = 2; - - /* - * swap extra data in request - assuming all data - * (if available) are arrays of 4 bytes components ! - */ - if (req->length > sz_xGLXVendorPrivateReq/4) { - int *data = (int *)(req+1); - int count = req->length - sz_xGLXVendorPrivateReq/4; - __GLX_SWAP_INT_ARRAY(data, count ); - } - - return( __glXVForwardPipe0WithReply( cl, pc ) ); -} - -int __glXVForwardPipe0WithReplySwapiv( __GLXclientState *cl, GLbyte *pc ) -{ - xGLXVendorPrivateReq *req = (xGLXVendorPrivateReq *)pc; - __GLX_DECLARE_SWAP_VARIABLES; - - __GLX_SWAP_SHORT(&req->length); - __GLX_SWAP_INT(&req->vendorCode); - __GLX_SWAP_INT(&req->contextTag); - - swap_vec_element_size = 4; - - /* - * swap extra data in request - assuming all data - * (if available) are arrays of 4 bytes components ! - */ - if (req->length > sz_xGLXVendorPrivateReq/4) { - int *data = (int *)(req+1); - int count = req->length - sz_xGLXVendorPrivateReq/4; - __GLX_SWAP_INT_ARRAY(data, count ); - } - - return( __glXVForwardPipe0WithReply( cl, pc ) ); -} - -int __glXVForwardPipe0WithReplySwapdv( __GLXclientState *cl, GLbyte *pc ) -{ - xGLXVendorPrivateReq *req = (xGLXVendorPrivateReq *)pc; - __GLX_DECLARE_SWAP_VARIABLES; - - __GLX_SWAP_SHORT(&req->length); - __GLX_SWAP_INT(&req->vendorCode); - __GLX_SWAP_INT(&req->contextTag); - - swap_vec_element_size = 8; - - /* - * swap extra data in request - assuming all data - * (if available) are arrays of 4 bytes components ! - */ - if (req->length > sz_xGLXVendorPrivateReq/4) { - int *data = (int *)(req+1); - int count = req->length - sz_xGLXVendorPrivateReq/4; - __GLX_SWAP_INT_ARRAY(data, count ); - } - - return( __glXVForwardPipe0WithReply( cl, pc ) ); -} - -int __glXVForwardAllWithReplySwap( __GLXclientState *cl, GLbyte *pc ) -{ - xGLXVendorPrivateReq *req = (xGLXVendorPrivateReq *)pc; - __GLX_DECLARE_SWAP_VARIABLES; - - __GLX_SWAP_SHORT(&req->length); - __GLX_SWAP_INT(&req->vendorCode); - __GLX_SWAP_INT(&req->contextTag); - - swap_vec_element_size = 0; - - /* - * swap extra data in request - assuming all data - * (if available) are arrays of 4 bytes components ! - */ - if (req->length > sz_xGLXVendorPrivateReq/4) { - int *data = (int *)(req+1); - int count = req->length - sz_xGLXVendorPrivateReq/4; - __GLX_SWAP_INT_ARRAY(data, count ); - } - - return( __glXVForwardAllWithReply( cl, pc ) ); -} - -int __glXVForwardAllWithReplySwapsv( __GLXclientState *cl, GLbyte *pc ) -{ - xGLXVendorPrivateReq *req = (xGLXVendorPrivateReq *)pc; - __GLX_DECLARE_SWAP_VARIABLES; - - __GLX_SWAP_SHORT(&req->length); - __GLX_SWAP_INT(&req->vendorCode); - __GLX_SWAP_INT(&req->contextTag); - - swap_vec_element_size = 2; - - /* - * swap extra data in request - assuming all data - * (if available) are arrays of 4 bytes components ! - */ - if (req->length > sz_xGLXVendorPrivateReq/4) { - int *data = (int *)(req+1); - int count = req->length - sz_xGLXVendorPrivateReq/4; - __GLX_SWAP_INT_ARRAY(data, count ); - } - - return( __glXVForwardAllWithReply( cl, pc ) ); -} - -int __glXVForwardAllWithReplySwapiv( __GLXclientState *cl, GLbyte *pc ) -{ - xGLXVendorPrivateReq *req = (xGLXVendorPrivateReq *)pc; - __GLX_DECLARE_SWAP_VARIABLES; - - __GLX_SWAP_SHORT(&req->length); - __GLX_SWAP_INT(&req->vendorCode); - __GLX_SWAP_INT(&req->contextTag); - - swap_vec_element_size = 4; - - /* - * swap extra data in request - assuming all data - * (if available) are arrays of 4 bytes components ! - */ - if (req->length > sz_xGLXVendorPrivateReq/4) { - int *data = (int *)(req+1); - int count = req->length - sz_xGLXVendorPrivateReq/4; - __GLX_SWAP_INT_ARRAY(data, count ); - } - - return( __glXVForwardAllWithReply( cl, pc ) ); -} - -int __glXVForwardAllWithReplySwapdv( __GLXclientState *cl, GLbyte *pc ) -{ - xGLXVendorPrivateReq *req = (xGLXVendorPrivateReq *)pc; - __GLX_DECLARE_SWAP_VARIABLES; - - __GLX_SWAP_SHORT(&req->length); - __GLX_SWAP_INT(&req->vendorCode); - __GLX_SWAP_INT(&req->contextTag); - - swap_vec_element_size = 8; - - /* - * swap extra data in request - assuming all data - * (if available) are arrays of 4 bytes components ! - */ - if (req->length > sz_xGLXVendorPrivateReq/4) { - int *data = (int *)(req+1); - int count = req->length - sz_xGLXVendorPrivateReq/4; - __GLX_SWAP_INT_ARRAY(data, count ); - } - - return( __glXVForwardAllWithReply( cl, pc ) ); -} - +/* DO NOT EDIT - THIS FILE IS AUTOMATICALLY GENERATED */ +/* + * 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 +#endif + +#include "dmx.h" +#include "dmxwindow.h" +#include "dmxpixmap.h" +#include "dmxfont.h" + +#undef Xmalloc +#undef Xcalloc +#undef Xrealloc +#undef Xfree + +#include "glxserver.h" +#include "glxext.h" +#include "g_disptab.h" +/* #include "g_disptab_EXT.h" */ +#include "unpack.h" +#include "glxutil.h" + +#include "GL/glxproto.h" + +#ifdef PANORAMIX +#include "panoramiXsrv.h" +#endif + +/* + * GetReqVendorPrivate - this is the equivalent of GetReq macro + * from Xlibint.h but it does not set the reqType field (the opcode). + * this is because the GL single opcodes has different naming convension + * the other X opcodes (ie. X_GLsop_GetFloatv). + */ +#if (defined(__STDC__) && !defined(UNIXCPP)) || defined(ANSICPP) +#define GetReqVendorPrivate(name, req) \ + WORD64ALIGN\ + if ((dpy->bufptr + SIZEOF(x##name##Req)) > dpy->bufmax)\ + _XFlush(dpy);\ + req = (x##name##Req *)(dpy->last_req = dpy->bufptr);\ + req->length = (SIZEOF(x##name##Req))>>2;\ + dpy->bufptr += SIZEOF(x##name##Req);\ + dpy->request++ + +#else /* non-ANSI C uses empty comment instead of "##" for token concatenation */ +#define GetReqVendorPrivate(name, req) \ + WORD64ALIGN\ + if ((dpy->bufptr + SIZEOF(x/**/name/**/Req)) > dpy->bufmax)\ + _XFlush(dpy);\ + req = (x/**/name/**/Req *)(dpy->last_req = dpy->bufptr);\ + req->length = (SIZEOF(x/**/name/**/Req))>>2;\ + dpy->bufptr += SIZEOF(x/**/name/**/Req);\ + dpy->request++ +#endif + +extern Display *GetBackEndDisplay( __GLXclientState *cl, int s ); +extern int GetCurrentBackEndTag(__GLXclientState *cl, GLXContextTag tag, int s); + +static int swap_vec_element_size = 0; + +static void SendSwappedReply( ClientPtr client, + xGLXVendorPrivReply *reply, + char *buf, + int buf_size ) +{ + __GLX_DECLARE_SWAP_VARIABLES; + __GLX_SWAP_SHORT(&reply->sequenceNumber); + __GLX_SWAP_INT(&reply->length); + __GLX_SWAP_INT(&reply->retval); + __GLX_SWAP_INT(&reply->size); + + if ( (buf_size == 0) && (swap_vec_element_size > 0) ) { + /* + * the reply has single component - need to swap pad3 + */ + if (swap_vec_element_size == 2) { + __GLX_SWAP_SHORT(&reply->pad3); + } + else if (swap_vec_element_size == 4) { + __GLX_SWAP_INT(&reply->pad3); + __GLX_SWAP_INT(&reply->pad4); + } + else if (swap_vec_element_size == 8) { + __GLX_SWAP_DOUBLE(&reply->pad3); + } + } + else if ( (buf_size > 0) && (swap_vec_element_size > 0) ) { + /* + * the reply has vector of elements which needs to be swapped + */ + int vsize = buf_size / swap_vec_element_size; + char *p = buf; + int i; + + for (i=0; ipad3); + __GLX_SWAP_INT(&reply->pad4); + __GLX_SWAP_INT(&reply->pad5); + __GLX_SWAP_INT(&reply->pad6); + + } + + WriteToClient(client, sizeof(xGLXVendorPrivReply),(char *)reply); + if (buf_size > 0) + WriteToClient(client, buf_size, (char *)buf); + +} + +int __glXVForwardSingleReq( __GLXclientState *cl, GLbyte *pc ) +{ + xGLXVendorPrivateReq *req = (xGLXVendorPrivateReq *)pc; + xGLXVendorPrivateReq *be_req; + __GLXcontext *glxc; + int from_screen = 0; + int to_screen = 0; + int buf_size; + int s; + + 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_xGLXVendorPrivateReq; + buf_size = (req->length << 2) - sz_xGLXVendorPrivateReq; + + /* + * 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); + GetReqVendorPrivate(GLXVendorPrivate,be_req); + be_req->reqType = dmxScreen->glxMajorOpcode; + be_req->glxCode = req->glxCode; + be_req->length = req->length; + be_req->vendorCode = req->vendorCode; + be_req->contextTag = GetCurrentBackEndTag(cl,req->contextTag,s); + if (buf_size > 0) + _XSend(dpy, (const char *)pc, buf_size); + UnlockDisplay(dpy); + SyncHandle(); + } + + return Success; +} + +int __glXVForwardPipe0WithReply( __GLXclientState *cl, GLbyte *pc ) +{ + ClientPtr client = cl->client; + xGLXVendorPrivateReq *req = (xGLXVendorPrivateReq *)pc; + xGLXVendorPrivateReq *be_req; + xGLXVendorPrivReply reply; + xGLXVendorPrivReply be_reply; + __GLXcontext *glxc; + int buf_size; + char *be_buf; + int be_buf_size; + DMXScreenInfo *dmxScreen; + Display *dpy; + + glxc = __glXLookupContextByTag(cl, req->contextTag); + if (!glxc) { + return __glXBadContext; + } + + pc += sz_xGLXVendorPrivateReq; + buf_size = (req->length << 2) - sz_xGLXVendorPrivateReq; + + dmxScreen = &dmxScreens[glxc->pScreen->myNum]; + dpy = GetBackEndDisplay(cl, glxc->pScreen->myNum); + + /* + * send the request to the first back-end server + */ + LockDisplay(dpy); + GetReqVendorPrivate(GLXVendorPrivate,be_req); + be_req->reqType = dmxScreen->glxMajorOpcode; + be_req->glxCode = req->glxCode; + be_req->length = req->length; + be_req->vendorCode = req->vendorCode; + be_req->contextTag = GetCurrentBackEndTag(cl,req->contextTag, glxc->pScreen->myNum); + if (buf_size > 0) + _XSend(dpy, (const char *)pc, buf_size); + + /* + * get the reply from the back-end server + */ + _XReply(dpy, (xReply*) &be_reply, 0, False); + be_buf_size = be_reply.length << 2; + if (be_buf_size > 0) { + be_buf = (char *)malloc( be_buf_size ); + if (be_buf) { + _XRead(dpy, be_buf, be_buf_size); + } + else { + /* Throw data on the floor */ + _XEatData(dpy, be_buf_size); + return BadAlloc; + } + } + + UnlockDisplay(dpy); + SyncHandle(); + + /* + * send the reply to the client + */ + memcpy( &reply, &be_reply, sz_xGLXVendorPrivReply ); + reply.type = X_Reply; + reply.sequenceNumber = client->sequence; + + if (client->swapped) { + SendSwappedReply( client, &reply, be_buf, be_buf_size ); + } + else { + WriteToClient(client, sizeof(xGLXVendorPrivReply),(char *)&reply); + if (be_buf_size > 0) + WriteToClient(client, be_buf_size, (char *)be_buf); + } + + if (be_buf_size > 0) Xfree(be_buf); + + return Success; +} + +int __glXVForwardAllWithReply( __GLXclientState *cl, GLbyte *pc ) +{ + ClientPtr client = cl->client; + xGLXVendorPrivateReq *req = (xGLXVendorPrivateReq *)pc; + xGLXVendorPrivateReq *be_req; + xGLXVendorPrivReply reply; + xGLXVendorPrivReply be_reply; + __GLXcontext *glxc; + int buf_size; + char *be_buf; + int be_buf_size; + int from_screen = 0; + int to_screen = 0; + int s; + + DMXScreenInfo *dmxScreen; + Display *dpy; + + 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_xGLXVendorPrivateReq; + buf_size = (req->length << 2) - sz_xGLXVendorPrivateReq; + + /* + * send the request to the first back-end server(s) + */ + for (s=to_screen; s>=from_screen; s--) { + dmxScreen = &dmxScreens[s]; + dpy = GetBackEndDisplay(cl,s); + + LockDisplay(dpy); + GetReqVendorPrivate(GLXVendorPrivate,be_req); + be_req->reqType = dmxScreen->glxMajorOpcode; + be_req->glxCode = req->glxCode; + be_req->length = req->length; + be_req->vendorCode = req->vendorCode; + be_req->contextTag = GetCurrentBackEndTag(cl,req->contextTag,s); + if (buf_size > 0) + _XSend(dpy, (const char *)pc, buf_size); + + /* + * get the reply from the back-end server + */ + _XReply(dpy, (xReply*) &be_reply, 0, False); + be_buf_size = be_reply.length << 2; + if (be_buf_size > 0) { + be_buf = (char *)malloc( be_buf_size ); + if (be_buf) { + _XRead(dpy, be_buf, be_buf_size); + } + else { + /* Throw data on the floor */ + _XEatData(dpy, be_buf_size); + return BadAlloc; + } + } + + UnlockDisplay(dpy); + SyncHandle(); + + if (s > from_screen && be_buf_size > 0) { + Xfree(be_buf); + } + } + + /* + * send the reply to the client + */ + memcpy( &reply, &be_reply, sz_xGLXVendorPrivReply ); + reply.type = X_Reply; + reply.sequenceNumber = client->sequence; + + if (client->swapped) { + SendSwappedReply( client, &reply, be_buf, be_buf_size ); + } + else { + WriteToClient(client, sizeof(xGLXVendorPrivReply),(char *)&reply); + if (be_buf_size > 0) + WriteToClient(client, be_buf_size, (char *)be_buf); + } + + if (be_buf_size > 0) Xfree(be_buf); + + return Success; +} + +int __glXVForwardSingleReqSwap( __GLXclientState *cl, GLbyte *pc ) +{ + xGLXVendorPrivateReq *req = (xGLXVendorPrivateReq *)pc; + __GLX_DECLARE_SWAP_VARIABLES; + + __GLX_SWAP_SHORT(&req->length); + __GLX_SWAP_INT(&req->vendorCode); + __GLX_SWAP_INT(&req->contextTag); + + swap_vec_element_size = 0; + + return( __glXVForwardSingleReq( cl, pc ) ); +} + +int __glXVForwardPipe0WithReplySwap( __GLXclientState *cl, GLbyte *pc ) +{ + xGLXVendorPrivateReq *req = (xGLXVendorPrivateReq *)pc; + __GLX_DECLARE_SWAP_VARIABLES; + + __GLX_SWAP_SHORT(&req->length); + __GLX_SWAP_INT(&req->vendorCode); + __GLX_SWAP_INT(&req->contextTag); + + swap_vec_element_size = 0; + + /* + * swap extra data in request - assuming all data + * (if available) are arrays of 4 bytes components ! + */ + if (req->length > sz_xGLXVendorPrivateReq/4) { + int *data = (int *)(req+1); + int count = req->length - sz_xGLXVendorPrivateReq/4; + __GLX_SWAP_INT_ARRAY(data, count ); + } + + return( __glXVForwardPipe0WithReply( cl, pc ) ); +} + +int __glXVForwardPipe0WithReplySwapsv( __GLXclientState *cl, GLbyte *pc ) +{ + xGLXVendorPrivateReq *req = (xGLXVendorPrivateReq *)pc; + __GLX_DECLARE_SWAP_VARIABLES; + + __GLX_SWAP_SHORT(&req->length); + __GLX_SWAP_INT(&req->vendorCode); + __GLX_SWAP_INT(&req->contextTag); + + swap_vec_element_size = 2; + + /* + * swap extra data in request - assuming all data + * (if available) are arrays of 4 bytes components ! + */ + if (req->length > sz_xGLXVendorPrivateReq/4) { + int *data = (int *)(req+1); + int count = req->length - sz_xGLXVendorPrivateReq/4; + __GLX_SWAP_INT_ARRAY(data, count ); + } + + return( __glXVForwardPipe0WithReply( cl, pc ) ); +} + +int __glXVForwardPipe0WithReplySwapiv( __GLXclientState *cl, GLbyte *pc ) +{ + xGLXVendorPrivateReq *req = (xGLXVendorPrivateReq *)pc; + __GLX_DECLARE_SWAP_VARIABLES; + + __GLX_SWAP_SHORT(&req->length); + __GLX_SWAP_INT(&req->vendorCode); + __GLX_SWAP_INT(&req->contextTag); + + swap_vec_element_size = 4; + + /* + * swap extra data in request - assuming all data + * (if available) are arrays of 4 bytes components ! + */ + if (req->length > sz_xGLXVendorPrivateReq/4) { + int *data = (int *)(req+1); + int count = req->length - sz_xGLXVendorPrivateReq/4; + __GLX_SWAP_INT_ARRAY(data, count ); + } + + return( __glXVForwardPipe0WithReply( cl, pc ) ); +} + +int __glXVForwardPipe0WithReplySwapdv( __GLXclientState *cl, GLbyte *pc ) +{ + xGLXVendorPrivateReq *req = (xGLXVendorPrivateReq *)pc; + __GLX_DECLARE_SWAP_VARIABLES; + + __GLX_SWAP_SHORT(&req->length); + __GLX_SWAP_INT(&req->vendorCode); + __GLX_SWAP_INT(&req->contextTag); + + swap_vec_element_size = 8; + + /* + * swap extra data in request - assuming all data + * (if available) are arrays of 4 bytes components ! + */ + if (req->length > sz_xGLXVendorPrivateReq/4) { + int *data = (int *)(req+1); + int count = req->length - sz_xGLXVendorPrivateReq/4; + __GLX_SWAP_INT_ARRAY(data, count ); + } + + return( __glXVForwardPipe0WithReply( cl, pc ) ); +} + +int __glXVForwardAllWithReplySwap( __GLXclientState *cl, GLbyte *pc ) +{ + xGLXVendorPrivateReq *req = (xGLXVendorPrivateReq *)pc; + __GLX_DECLARE_SWAP_VARIABLES; + + __GLX_SWAP_SHORT(&req->length); + __GLX_SWAP_INT(&req->vendorCode); + __GLX_SWAP_INT(&req->contextTag); + + swap_vec_element_size = 0; + + /* + * swap extra data in request - assuming all data + * (if available) are arrays of 4 bytes components ! + */ + if (req->length > sz_xGLXVendorPrivateReq/4) { + int *data = (int *)(req+1); + int count = req->length - sz_xGLXVendorPrivateReq/4; + __GLX_SWAP_INT_ARRAY(data, count ); + } + + return( __glXVForwardAllWithReply( cl, pc ) ); +} + +int __glXVForwardAllWithReplySwapsv( __GLXclientState *cl, GLbyte *pc ) +{ + xGLXVendorPrivateReq *req = (xGLXVendorPrivateReq *)pc; + __GLX_DECLARE_SWAP_VARIABLES; + + __GLX_SWAP_SHORT(&req->length); + __GLX_SWAP_INT(&req->vendorCode); + __GLX_SWAP_INT(&req->contextTag); + + swap_vec_element_size = 2; + + /* + * swap extra data in request - assuming all data + * (if available) are arrays of 4 bytes components ! + */ + if (req->length > sz_xGLXVendorPrivateReq/4) { + int *data = (int *)(req+1); + int count = req->length - sz_xGLXVendorPrivateReq/4; + __GLX_SWAP_INT_ARRAY(data, count ); + } + + return( __glXVForwardAllWithReply( cl, pc ) ); +} + +int __glXVForwardAllWithReplySwapiv( __GLXclientState *cl, GLbyte *pc ) +{ + xGLXVendorPrivateReq *req = (xGLXVendorPrivateReq *)pc; + __GLX_DECLARE_SWAP_VARIABLES; + + __GLX_SWAP_SHORT(&req->length); + __GLX_SWAP_INT(&req->vendorCode); + __GLX_SWAP_INT(&req->contextTag); + + swap_vec_element_size = 4; + + /* + * swap extra data in request - assuming all data + * (if available) are arrays of 4 bytes components ! + */ + if (req->length > sz_xGLXVendorPrivateReq/4) { + int *data = (int *)(req+1); + int count = req->length - sz_xGLXVendorPrivateReq/4; + __GLX_SWAP_INT_ARRAY(data, count ); + } + + return( __glXVForwardAllWithReply( cl, pc ) ); +} + +int __glXVForwardAllWithReplySwapdv( __GLXclientState *cl, GLbyte *pc ) +{ + xGLXVendorPrivateReq *req = (xGLXVendorPrivateReq *)pc; + __GLX_DECLARE_SWAP_VARIABLES; + + __GLX_SWAP_SHORT(&req->length); + __GLX_SWAP_INT(&req->vendorCode); + __GLX_SWAP_INT(&req->contextTag); + + swap_vec_element_size = 8; + + /* + * swap extra data in request - assuming all data + * (if available) are arrays of 4 bytes components ! + */ + if (req->length > sz_xGLXVendorPrivateReq/4) { + int *data = (int *)(req+1); + int count = req->length - sz_xGLXVendorPrivateReq/4; + __GLX_SWAP_INT_ARRAY(data, count ); + } + + return( __glXVForwardAllWithReply( cl, pc ) ); +} + diff --git a/xorg-server/hw/dmx/glxProxy/glxvisuals.c b/xorg-server/hw/dmx/glxProxy/glxvisuals.c index 898c6be7b..6e30b4edc 100644 --- a/xorg-server/hw/dmx/glxProxy/glxvisuals.c +++ b/xorg-server/hw/dmx/glxProxy/glxvisuals.c @@ -1,539 +1,539 @@ -/* - * SGI FREE SOFTWARE LICENSE B (Version 2.0, Sept. 18, 2008) - * Copyright (C) 1991-2000 Silicon Graphics, Inc. All Rights Reserved. - * - * Permission is hereby granted, free of charge, to any person obtaining a - * copy of this software and associated documentation files (the "Software"), - * to deal in the Software without restriction, including without limitation - * the rights to use, copy, modify, merge, publish, distribute, sublicense, - * and/or sell copies of the Software, and to permit persons to whom the - * Software is furnished to do so, subject to the following conditions: - * - * The above copyright notice including the dates of first publication and - * either this permission notice or a reference to - * http://oss.sgi.com/projects/FreeB/ - * shall be included in all copies or substantial portions of the Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS - * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, - * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL - * SILICON GRAPHICS, INC. BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, - * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF - * OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE - * SOFTWARE. - * - * Except as contained in this notice, the name of Silicon Graphics, Inc. - * shall not be used in advertising or otherwise to promote the sale, use or - * other dealings in this Software without prior written authorization from - * Silicon Graphics, Inc. - */ - -#ifdef HAVE_DMX_CONFIG_H -#include -#endif - -#include -#include "dmx.h" -#include "glxserver.h" -#include "glxutil.h" -#include "dmx_glxvisuals.h" -#include - -static int numConfigs = 0; -static __GLXvisualConfig *visualConfigs = NULL; -static void **visualPrivates = NULL; - -int glxVisualsMatch( __GLXvisualConfig *v1, __GLXvisualConfig *v2 ) -{ - if ( (v1->class == v2->class) && - (v1->rgba == v2->rgba) && - (v1->redSize == v2->redSize) && - (v1->greenSize == v2->greenSize) && - (v1->blueSize == v2->blueSize) && - (v1->alphaSize == v2->alphaSize) && - (v1->redMask == v2->redMask) && - (v1->greenMask == v2->greenMask) && - (v1->blueMask == v2->blueMask) && - (v1->alphaMask == v2->alphaMask) && - (v1->accumRedSize == v2->accumRedSize) && - (v1->accumGreenSize == v2->accumGreenSize) && - (v1->accumBlueSize == v2->accumBlueSize) && - (v1->accumAlphaSize == v2->accumAlphaSize) && - (v1->doubleBuffer == v2->doubleBuffer) && - (v1->stereo == v2->stereo) && - (v1->bufferSize == v2->bufferSize) && - (v1->depthSize == v2->depthSize) && - (v1->stencilSize == v2->stencilSize) && - (v1->auxBuffers == v2->auxBuffers) && - (v1->level == v2->level) && - (v1->visualRating == v2->visualRating) && - (v1->transparentPixel == v2->transparentPixel) && - (v1->transparentRed == v2->transparentRed) && - (v1->transparentGreen == v2->transparentGreen) && - (v1->transparentBlue == v2->transparentBlue) && - (v1->transparentAlpha == v2->transparentAlpha) && - (v1->transparentIndex == v2->transparentIndex) && - (v1->multiSampleSize == v2->multiSampleSize) && - (v1->nMultiSampleBuffers == v2->nMultiSampleBuffers) && - (v1->visualSelectGroup == v2->visualSelectGroup) ) { - - return(1); - - } - - return(0); - -} - -VisualID glxMatchGLXVisualInConfigList( __GLXvisualConfig *pGlxVisual, __GLXvisualConfig *configs, int nconfigs ) -{ - int i; - - for (i=0; imyNum]; - pGlxVisual = pGlxScreen->pGlxVisual; - - /* find the glx visual info for pVisual */ - for (i = 0; i < pGlxScreen->numVisuals; i++, pGlxVisual++) { - if (pGlxVisual->vid == pVisual->vid) { - break; - } - } - if (i == pGlxScreen->numVisuals) { - /* - * the visual is not supported by glx - */ - return(0); - } - - return( glxMatchGLXVisualInConfigList(pGlxVisual, configs, nconfigs) ); -} - -VisualPtr glxMatchVisual( ScreenPtr pScreen, VisualPtr pVisual, ScreenPtr pMatchScreen ) -{ - __GLXscreenInfo *pGlxScreen2; - int j; - VisualID vid; - - /* check that the glx extension has been initialized */ - if ( !__glXActiveScreens ) - return NULL; - - pGlxScreen2 = &__glXActiveScreens[pMatchScreen->myNum]; - - vid = glxMatchVisualInConfigList( pScreen, pVisual, - pGlxScreen2->pGlxVisual, - pGlxScreen2->numVisuals ); - if (vid) { - /* - * find the X visual of the matching glx visual - */ - for (j=0; jnumVisuals; j++) { - if (vid == pMatchScreen->visuals[j].vid) { - return( &pMatchScreen->visuals[j] ); - } - } - } - - return(0); -} - -void glxSetVisualConfigs(int nconfigs, __GLXvisualConfig *configs, - void **privates) -{ - numConfigs = nconfigs; - visualConfigs = configs; - visualPrivates = privates; -} - -static int count_bits(unsigned int n) -{ - int bits = 0; - - while (n > 0) { - if (n & 1) bits++; - n >>= 1; - } - return bits; -} - -static VisualID FindClosestVisual( VisualPtr pVisual, int rootDepth, - DepthPtr pdepth, int ndepths, - VisualPtr pNewVisual, int numNewVisuals) -{ - int d, v; - VisualPtr vis; - - /* - * find the first visual with the same or deeper depth - * of the same class. - */ - for (d=0; d= rootDepth) { - for (v=0; vvid ) vis++; - - if (vis->class == pVisual->class) { - return( pdepth[d].vids[v] ); - } - } - } - } - - /* - * did not find any. - * try to look for the same class only. - */ - for (d=0; dvid ) vis++; - - if (vis->class == pVisual->class) { - return( pdepth[d].vids[v] ); - } - } - } - - /* - * if not found - just take the first visual - */ - return( pdepth[0].vids[0] ); -} - -Bool glxInitVisuals(int *nvisualp, VisualPtr *visualp, - VisualID *defaultVisp, - int ndepth, DepthPtr pdepth, - int rootDepth) -{ - int numRGBconfigs; - int numCIconfigs; - int numVisuals = *nvisualp; - int numNewVisuals; - int numNewConfigs; - VisualPtr pVisual = *visualp; - VisualPtr pVisualNew = NULL; - VisualID *orig_vid = NULL; - __GLXvisualConfig *glXVisualPtr = NULL; - __GLXvisualConfig *pNewVisualConfigs = NULL; - void **glXVisualPriv; - dmxGlxVisualPrivate **pNewVisualPriv; - int found_default; - int i, j, k; - int numGLXvis = 0; - GLint *isGLXvis; - - if (numConfigs > 0) - numNewConfigs = numConfigs; - else - return False; - - MAXSCREENSALLOC(__glXActiveScreens); - if (!__glXActiveScreens) - return False; - - /* Alloc space for the list of new GLX visuals */ - pNewVisualConfigs = (__GLXvisualConfig *) - __glXMalloc(numNewConfigs * sizeof(__GLXvisualConfig)); - if (!pNewVisualConfigs) { - return FALSE; - } - - /* Alloc space for the list of new GLX visual privates */ - pNewVisualPriv = (dmxGlxVisualPrivate **) __glXMalloc(numNewConfigs * sizeof(dmxGlxVisualPrivate *)); - if (!pNewVisualPriv) { - __glXFree(pNewVisualConfigs); - return FALSE; - } - - /* copy driver's visual config info */ - for (i = 0; i < numConfigs; i++) { - pNewVisualConfigs[i] = visualConfigs[i]; - pNewVisualPriv[i] = (dmxGlxVisualPrivate *)visualPrivates[i]; - } - -#if 1 - /* FIXME: This is a hack to workaround a hang in xtest caused by a - * mismatch between what the front end (i.e., DMX) server calculates - * for the visual configs and what the back-end servers have. - */ - { - int numTCRGBconfigs = 0; - int numDCRGBconfigs = 0; - - numRGBconfigs = 0; - numCIconfigs = 0; - - for (i = 0; i < numNewConfigs; i++) { - if (pNewVisualConfigs[i].rgba) { - if (pNewVisualConfigs[i].class == TrueColor) - numTCRGBconfigs++; - else - numDCRGBconfigs++; - numRGBconfigs++; - } else - numCIconfigs++; - } - - /* Count the total number of visuals to compute */ - numNewVisuals = 0; - for (i = 0; i < numVisuals; i++) { - numNewVisuals += - (pVisual[i].class == TrueColor) ? numTCRGBconfigs : - (pVisual[i].class == DirectColor) ? numDCRGBconfigs : - numCIconfigs; - } - } -#else - /* Count the number of RGB and CI visual configs */ - numRGBconfigs = 0; - numCIconfigs = 0; - for (i = 0; i < numNewConfigs; i++) { - if (pNewVisualConfigs[i].rgba) - numRGBconfigs++; - else - numCIconfigs++; - } - - /* Count the total number of visuals to compute */ - numNewVisuals = 0; - for (i = 0; i < numVisuals; i++) { - numNewVisuals += - (pVisual[i].class == TrueColor || pVisual[i].class == DirectColor) - ? numRGBconfigs : numCIconfigs; - } -#endif - - /* Reset variables for use with the next screen/driver's visual configs */ - visualConfigs = NULL; - numConfigs = 0; - - /* Alloc temp space for the list of orig VisualIDs for each new visual */ - orig_vid = (VisualID *)__glXMalloc(numNewVisuals * sizeof(VisualID)); - if (!orig_vid) { - __glXFree(pNewVisualPriv); - __glXFree(pNewVisualConfigs); - return FALSE; - } - - /* Alloc space for the list of glXVisuals */ - glXVisualPtr = (__GLXvisualConfig *)__glXMalloc(numNewVisuals * - sizeof(__GLXvisualConfig)); - if (!glXVisualPtr) { - __glXFree(orig_vid); - __glXFree(pNewVisualPriv); - __glXFree(pNewVisualConfigs); - return FALSE; - } - - /* Alloc space for the list of glXVisualPrivates */ - glXVisualPriv = (void **)__glXMalloc(numNewVisuals * sizeof(void *)); - if (!glXVisualPriv) { - __glXFree(glXVisualPtr); - __glXFree(orig_vid); - __glXFree(pNewVisualPriv); - __glXFree(pNewVisualConfigs); - return FALSE; - } - - /* Alloc space for the new list of the X server's visuals */ - pVisualNew = (VisualPtr)__glXMalloc(numNewVisuals * sizeof(VisualRec)); - if (!pVisualNew) { - __glXFree(glXVisualPriv); - __glXFree(glXVisualPtr); - __glXFree(orig_vid); - __glXFree(pNewVisualPriv); - __glXFree(pNewVisualConfigs); - return FALSE; - } - - isGLXvis = (GLint *) __glXMalloc(numNewVisuals * sizeof(GLint)); - if (!isGLXvis) { - __glXFree(glXVisualPriv); - __glXFree(glXVisualPtr); - __glXFree(orig_vid); - __glXFree(pNewVisualPriv); - __glXFree(pNewVisualConfigs); - __glXFree(pVisualNew); - return FALSE; - } - - /* Initialize the new visuals */ - found_default = FALSE; - for (i = j = 0; i < numVisuals; i++) { - - for (k = 0; k < numNewConfigs; k++) { - - int new_depth; - int depth; - int d,v; - - /* find the depth of the new visual config */ - new_depth = pNewVisualPriv[k]->x_visual_depth; - - /* find the depth of the original visual */ - depth = 0; - d = 0; - while( (depth==0) && (d < ndepth) ) { - v = 0; - while( (depth==0) && (v < pdepth[d].numVids) ) { - if (pdepth[d].vids[v] == pVisual[i].vid) { - depth = pdepth[d].depth; - } - v++; - } - d++; - } - - /* check that the visual has the same class and depth - * as the new config - */ - if ( pVisual[i].class != pNewVisualPriv[k]->x_visual_class || - (depth != new_depth) ) - continue; - - /* Initialize the new visual */ - pVisualNew[j] = pVisual[i]; - pVisualNew[j].vid = FakeClientID(0); - - /* Check for the default visual */ - if (!found_default && pVisual[i].vid == *defaultVisp) { - *defaultVisp = pVisualNew[j].vid; - found_default = TRUE; - } - - /* Save the old VisualID */ - orig_vid[j] = pVisual[i].vid; - - /* Initialize the glXVisual */ - glXVisualPtr[j] = pNewVisualConfigs[k]; - glXVisualPtr[j].vid = pVisualNew[j].vid; - - /* - * If the class is -1, then assume the X visual information - * is identical to what GLX needs, and take them from the X - * visual. NOTE: if class != -1, then all other fields MUST - * be initialized. - */ - if (glXVisualPtr[j].class == -1) { - glXVisualPtr[j].class = pVisual[i].class; - glXVisualPtr[j].redSize = count_bits(pVisual[i].redMask); - glXVisualPtr[j].greenSize = count_bits(pVisual[i].greenMask); - glXVisualPtr[j].blueSize = count_bits(pVisual[i].blueMask); - glXVisualPtr[j].alphaSize = glXVisualPtr[j].alphaSize; - glXVisualPtr[j].redMask = pVisual[i].redMask; - glXVisualPtr[j].greenMask = pVisual[i].greenMask; - glXVisualPtr[j].blueMask = pVisual[i].blueMask; - glXVisualPtr[j].alphaMask = glXVisualPtr[j].alphaMask; - glXVisualPtr[j].bufferSize = rootDepth; - } - - /* Save the device-dependent private for this visual */ - glXVisualPriv[j] = pNewVisualPriv[k]; - - isGLXvis[j] = glxMatchGLXVisualInConfigList( &glXVisualPtr[j], - dmxScreens[screenInfo.numScreens-1].glxVisuals, - dmxScreens[screenInfo.numScreens-1].numGlxVisuals ); - if (isGLXvis[j]) numGLXvis++; - - j++; - } - } - - assert(j <= numNewVisuals); - numNewVisuals = j; /* correct number of new visuals */ - - /* Save the GLX visuals in the screen structure */ - __glXActiveScreens[screenInfo.numScreens-1].numVisuals = numNewVisuals; - __glXActiveScreens[screenInfo.numScreens-1].numGLXVisuals = numGLXvis; - __glXActiveScreens[screenInfo.numScreens-1].isGLXvis = isGLXvis; - __glXActiveScreens[screenInfo.numScreens-1].pGlxVisual = glXVisualPtr; - - - /* Set up depth's VisualIDs */ - for (i = 0; i < ndepth; i++) { - int numVids = 0; - VisualID *pVids = NULL; - int k, n = 0; - - /* Count the new number of VisualIDs at this depth */ - for (j = 0; j < pdepth[i].numVids; j++) - for (k = 0; k < numNewVisuals; k++) - if (pdepth[i].vids[j] == orig_vid[k]) - numVids++; - - /* Allocate a new list of VisualIDs for this depth */ - pVids = (VisualID *)__glXMalloc(numVids * sizeof(VisualID)); - - /* Initialize the new list of VisualIDs for this depth */ - for (j = 0; j < pdepth[i].numVids; j++) - for (k = 0; k < numNewVisuals; k++) - if (pdepth[i].vids[j] == orig_vid[k]) - pVids[n++] = pVisualNew[k].vid; - - /* Update this depth's list of VisualIDs */ - __glXFree(pdepth[i].vids); - pdepth[i].vids = pVids; - pdepth[i].numVids = numVids; - } - - /* - * if the default visual was rejected - need to choose new - * default visual ! - */ - if ( !found_default ) { - - for (i=0; i +#endif + +#include +#include "dmx.h" +#include "glxserver.h" +#include "glxutil.h" +#include "dmx_glxvisuals.h" +#include + +static int numConfigs = 0; +static __GLXvisualConfig *visualConfigs = NULL; +static void **visualPrivates = NULL; + +int glxVisualsMatch( __GLXvisualConfig *v1, __GLXvisualConfig *v2 ) +{ + if ( (v1->class == v2->class) && + (v1->rgba == v2->rgba) && + (v1->redSize == v2->redSize) && + (v1->greenSize == v2->greenSize) && + (v1->blueSize == v2->blueSize) && + (v1->alphaSize == v2->alphaSize) && + (v1->redMask == v2->redMask) && + (v1->greenMask == v2->greenMask) && + (v1->blueMask == v2->blueMask) && + (v1->alphaMask == v2->alphaMask) && + (v1->accumRedSize == v2->accumRedSize) && + (v1->accumGreenSize == v2->accumGreenSize) && + (v1->accumBlueSize == v2->accumBlueSize) && + (v1->accumAlphaSize == v2->accumAlphaSize) && + (v1->doubleBuffer == v2->doubleBuffer) && + (v1->stereo == v2->stereo) && + (v1->bufferSize == v2->bufferSize) && + (v1->depthSize == v2->depthSize) && + (v1->stencilSize == v2->stencilSize) && + (v1->auxBuffers == v2->auxBuffers) && + (v1->level == v2->level) && + (v1->visualRating == v2->visualRating) && + (v1->transparentPixel == v2->transparentPixel) && + (v1->transparentRed == v2->transparentRed) && + (v1->transparentGreen == v2->transparentGreen) && + (v1->transparentBlue == v2->transparentBlue) && + (v1->transparentAlpha == v2->transparentAlpha) && + (v1->transparentIndex == v2->transparentIndex) && + (v1->multiSampleSize == v2->multiSampleSize) && + (v1->nMultiSampleBuffers == v2->nMultiSampleBuffers) && + (v1->visualSelectGroup == v2->visualSelectGroup) ) { + + return(1); + + } + + return(0); + +} + +VisualID glxMatchGLXVisualInConfigList( __GLXvisualConfig *pGlxVisual, __GLXvisualConfig *configs, int nconfigs ) +{ + int i; + + for (i=0; imyNum]; + pGlxVisual = pGlxScreen->pGlxVisual; + + /* find the glx visual info for pVisual */ + for (i = 0; i < pGlxScreen->numVisuals; i++, pGlxVisual++) { + if (pGlxVisual->vid == pVisual->vid) { + break; + } + } + if (i == pGlxScreen->numVisuals) { + /* + * the visual is not supported by glx + */ + return(0); + } + + return( glxMatchGLXVisualInConfigList(pGlxVisual, configs, nconfigs) ); +} + +VisualPtr glxMatchVisual( ScreenPtr pScreen, VisualPtr pVisual, ScreenPtr pMatchScreen ) +{ + __GLXscreenInfo *pGlxScreen2; + int j; + VisualID vid; + + /* check that the glx extension has been initialized */ + if ( !__glXActiveScreens ) + return NULL; + + pGlxScreen2 = &__glXActiveScreens[pMatchScreen->myNum]; + + vid = glxMatchVisualInConfigList( pScreen, pVisual, + pGlxScreen2->pGlxVisual, + pGlxScreen2->numVisuals ); + if (vid) { + /* + * find the X visual of the matching glx visual + */ + for (j=0; jnumVisuals; j++) { + if (vid == pMatchScreen->visuals[j].vid) { + return( &pMatchScreen->visuals[j] ); + } + } + } + + return(0); +} + +void glxSetVisualConfigs(int nconfigs, __GLXvisualConfig *configs, + void **privates) +{ + numConfigs = nconfigs; + visualConfigs = configs; + visualPrivates = privates; +} + +static int count_bits(unsigned int n) +{ + int bits = 0; + + while (n > 0) { + if (n & 1) bits++; + n >>= 1; + } + return bits; +} + +static VisualID FindClosestVisual( VisualPtr pVisual, int rootDepth, + DepthPtr pdepth, int ndepths, + VisualPtr pNewVisual, int numNewVisuals) +{ + int d, v; + VisualPtr vis; + + /* + * find the first visual with the same or deeper depth + * of the same class. + */ + for (d=0; d= rootDepth) { + for (v=0; vvid ) vis++; + + if (vis->class == pVisual->class) { + return( pdepth[d].vids[v] ); + } + } + } + } + + /* + * did not find any. + * try to look for the same class only. + */ + for (d=0; dvid ) vis++; + + if (vis->class == pVisual->class) { + return( pdepth[d].vids[v] ); + } + } + } + + /* + * if not found - just take the first visual + */ + return( pdepth[0].vids[0] ); +} + +Bool glxInitVisuals(int *nvisualp, VisualPtr *visualp, + VisualID *defaultVisp, + int ndepth, DepthPtr pdepth, + int rootDepth) +{ + int numRGBconfigs; + int numCIconfigs; + int numVisuals = *nvisualp; + int numNewVisuals; + int numNewConfigs; + VisualPtr pVisual = *visualp; + VisualPtr pVisualNew = NULL; + VisualID *orig_vid = NULL; + __GLXvisualConfig *glXVisualPtr = NULL; + __GLXvisualConfig *pNewVisualConfigs = NULL; + void **glXVisualPriv; + dmxGlxVisualPrivate **pNewVisualPriv; + int found_default; + int i, j, k; + int numGLXvis = 0; + GLint *isGLXvis; + + if (numConfigs > 0) + numNewConfigs = numConfigs; + else + return False; + + MAXSCREENSALLOC(__glXActiveScreens); + if (!__glXActiveScreens) + return False; + + /* Alloc space for the list of new GLX visuals */ + pNewVisualConfigs = (__GLXvisualConfig *) + __glXMalloc(numNewConfigs * sizeof(__GLXvisualConfig)); + if (!pNewVisualConfigs) { + return FALSE; + } + + /* Alloc space for the list of new GLX visual privates */ + pNewVisualPriv = (dmxGlxVisualPrivate **) __glXMalloc(numNewConfigs * sizeof(dmxGlxVisualPrivate *)); + if (!pNewVisualPriv) { + __glXFree(pNewVisualConfigs); + return FALSE; + } + + /* copy driver's visual config info */ + for (i = 0; i < numConfigs; i++) { + pNewVisualConfigs[i] = visualConfigs[i]; + pNewVisualPriv[i] = (dmxGlxVisualPrivate *)visualPrivates[i]; + } + +#if 1 + /* FIXME: This is a hack to workaround a hang in xtest caused by a + * mismatch between what the front end (i.e., DMX) server calculates + * for the visual configs and what the back-end servers have. + */ + { + int numTCRGBconfigs = 0; + int numDCRGBconfigs = 0; + + numRGBconfigs = 0; + numCIconfigs = 0; + + for (i = 0; i < numNewConfigs; i++) { + if (pNewVisualConfigs[i].rgba) { + if (pNewVisualConfigs[i].class == TrueColor) + numTCRGBconfigs++; + else + numDCRGBconfigs++; + numRGBconfigs++; + } else + numCIconfigs++; + } + + /* Count the total number of visuals to compute */ + numNewVisuals = 0; + for (i = 0; i < numVisuals; i++) { + numNewVisuals += + (pVisual[i].class == TrueColor) ? numTCRGBconfigs : + (pVisual[i].class == DirectColor) ? numDCRGBconfigs : + numCIconfigs; + } + } +#else + /* Count the number of RGB and CI visual configs */ + numRGBconfigs = 0; + numCIconfigs = 0; + for (i = 0; i < numNewConfigs; i++) { + if (pNewVisualConfigs[i].rgba) + numRGBconfigs++; + else + numCIconfigs++; + } + + /* Count the total number of visuals to compute */ + numNewVisuals = 0; + for (i = 0; i < numVisuals; i++) { + numNewVisuals += + (pVisual[i].class == TrueColor || pVisual[i].class == DirectColor) + ? numRGBconfigs : numCIconfigs; + } +#endif + + /* Reset variables for use with the next screen/driver's visual configs */ + visualConfigs = NULL; + numConfigs = 0; + + /* Alloc temp space for the list of orig VisualIDs for each new visual */ + orig_vid = (VisualID *)__glXMalloc(numNewVisuals * sizeof(VisualID)); + if (!orig_vid) { + __glXFree(pNewVisualPriv); + __glXFree(pNewVisualConfigs); + return FALSE; + } + + /* Alloc space for the list of glXVisuals */ + glXVisualPtr = (__GLXvisualConfig *)__glXMalloc(numNewVisuals * + sizeof(__GLXvisualConfig)); + if (!glXVisualPtr) { + __glXFree(orig_vid); + __glXFree(pNewVisualPriv); + __glXFree(pNewVisualConfigs); + return FALSE; + } + + /* Alloc space for the list of glXVisualPrivates */ + glXVisualPriv = (void **)__glXMalloc(numNewVisuals * sizeof(void *)); + if (!glXVisualPriv) { + __glXFree(glXVisualPtr); + __glXFree(orig_vid); + __glXFree(pNewVisualPriv); + __glXFree(pNewVisualConfigs); + return FALSE; + } + + /* Alloc space for the new list of the X server's visuals */ + pVisualNew = (VisualPtr)__glXMalloc(numNewVisuals * sizeof(VisualRec)); + if (!pVisualNew) { + __glXFree(glXVisualPriv); + __glXFree(glXVisualPtr); + __glXFree(orig_vid); + __glXFree(pNewVisualPriv); + __glXFree(pNewVisualConfigs); + return FALSE; + } + + isGLXvis = (GLint *) __glXMalloc(numNewVisuals * sizeof(GLint)); + if (!isGLXvis) { + __glXFree(glXVisualPriv); + __glXFree(glXVisualPtr); + __glXFree(orig_vid); + __glXFree(pNewVisualPriv); + __glXFree(pNewVisualConfigs); + __glXFree(pVisualNew); + return FALSE; + } + + /* Initialize the new visuals */ + found_default = FALSE; + for (i = j = 0; i < numVisuals; i++) { + + for (k = 0; k < numNewConfigs; k++) { + + int new_depth; + int depth; + int d,v; + + /* find the depth of the new visual config */ + new_depth = pNewVisualPriv[k]->x_visual_depth; + + /* find the depth of the original visual */ + depth = 0; + d = 0; + while( (depth==0) && (d < ndepth) ) { + v = 0; + while( (depth==0) && (v < pdepth[d].numVids) ) { + if (pdepth[d].vids[v] == pVisual[i].vid) { + depth = pdepth[d].depth; + } + v++; + } + d++; + } + + /* check that the visual has the same class and depth + * as the new config + */ + if ( pVisual[i].class != pNewVisualPriv[k]->x_visual_class || + (depth != new_depth) ) + continue; + + /* Initialize the new visual */ + pVisualNew[j] = pVisual[i]; + pVisualNew[j].vid = FakeClientID(0); + + /* Check for the default visual */ + if (!found_default && pVisual[i].vid == *defaultVisp) { + *defaultVisp = pVisualNew[j].vid; + found_default = TRUE; + } + + /* Save the old VisualID */ + orig_vid[j] = pVisual[i].vid; + + /* Initialize the glXVisual */ + glXVisualPtr[j] = pNewVisualConfigs[k]; + glXVisualPtr[j].vid = pVisualNew[j].vid; + + /* + * If the class is -1, then assume the X visual information + * is identical to what GLX needs, and take them from the X + * visual. NOTE: if class != -1, then all other fields MUST + * be initialized. + */ + if (glXVisualPtr[j].class == -1) { + glXVisualPtr[j].class = pVisual[i].class; + glXVisualPtr[j].redSize = count_bits(pVisual[i].redMask); + glXVisualPtr[j].greenSize = count_bits(pVisual[i].greenMask); + glXVisualPtr[j].blueSize = count_bits(pVisual[i].blueMask); + glXVisualPtr[j].alphaSize = glXVisualPtr[j].alphaSize; + glXVisualPtr[j].redMask = pVisual[i].redMask; + glXVisualPtr[j].greenMask = pVisual[i].greenMask; + glXVisualPtr[j].blueMask = pVisual[i].blueMask; + glXVisualPtr[j].alphaMask = glXVisualPtr[j].alphaMask; + glXVisualPtr[j].bufferSize = rootDepth; + } + + /* Save the device-dependent private for this visual */ + glXVisualPriv[j] = pNewVisualPriv[k]; + + isGLXvis[j] = glxMatchGLXVisualInConfigList( &glXVisualPtr[j], + dmxScreens[screenInfo.numScreens-1].glxVisuals, + dmxScreens[screenInfo.numScreens-1].numGlxVisuals ); + if (isGLXvis[j]) numGLXvis++; + + j++; + } + } + + assert(j <= numNewVisuals); + numNewVisuals = j; /* correct number of new visuals */ + + /* Save the GLX visuals in the screen structure */ + __glXActiveScreens[screenInfo.numScreens-1].numVisuals = numNewVisuals; + __glXActiveScreens[screenInfo.numScreens-1].numGLXVisuals = numGLXvis; + __glXActiveScreens[screenInfo.numScreens-1].isGLXvis = isGLXvis; + __glXActiveScreens[screenInfo.numScreens-1].pGlxVisual = glXVisualPtr; + + + /* Set up depth's VisualIDs */ + for (i = 0; i < ndepth; i++) { + int numVids = 0; + VisualID *pVids = NULL; + int k, n = 0; + + /* Count the new number of VisualIDs at this depth */ + for (j = 0; j < pdepth[i].numVids; j++) + for (k = 0; k < numNewVisuals; k++) + if (pdepth[i].vids[j] == orig_vid[k]) + numVids++; + + /* Allocate a new list of VisualIDs for this depth */ + pVids = (VisualID *)__glXMalloc(numVids * sizeof(VisualID)); + + /* Initialize the new list of VisualIDs for this depth */ + for (j = 0; j < pdepth[i].numVids; j++) + for (k = 0; k < numNewVisuals; k++) + if (pdepth[i].vids[j] == orig_vid[k]) + pVids[n++] = pVisualNew[k].vid; + + /* Update this depth's list of VisualIDs */ + __glXFree(pdepth[i].vids); + pdepth[i].vids = pVids; + pdepth[i].numVids = numVids; + } + + /* + * if the default visual was rejected - need to choose new + * default visual ! + */ + if ( !found_default ) { + + for (i=0; icontextTag) -#define __GLX_GET_VENDPRIV_CONTEXT_TAG(pc) (((xGLXVendorPrivateReq*)pc)->contextTag) - -/* -** Fetch a double from potentially unaligned memory. -*/ -#ifdef __GLX_ALIGN64 -#define __GLX_MEM_COPY(dst,src,n) memcpy(dst,src,n) -#define __GLX_GET_DOUBLE(dst,src) __GLX_MEM_COPY(&dst,src,8) -#else -#define __GLX_GET_DOUBLE(dst,src) (dst) = *((GLdouble*)(src)) -#endif - -extern void __glXMemInit(void); - -extern xGLXSingleReply __glXReply; - -#define __GLX_BEGIN_REPLY(size) \ - __glXReply.length = __GLX_PAD(size) >> 2; \ - __glXReply.type = X_Reply; \ - __glXReply.sequenceNumber = client->sequence; - -#define __GLX_SEND_HEADER() \ - WriteToClient( client, sz_xGLXSingleReply, (char *)&__glXReply); - -#define __GLX_PUT_RETVAL(a) \ - __glXReply.retval = (a); - -#define __GLX_PUT_SIZE(a) \ - __glXReply.size = (a); - -#define __GLX_PUT_RENDERMODE(m) \ - __glXReply.pad3 = (m) - -/* -** Get a buffer to hold returned data, with the given alignment. If we have -** to realloc, allocate size+align, in case the pointer has to be bumped for -** alignment. The answerBuffer should already be aligned. -** -** NOTE: the cast (long)res below assumes a long is large enough to hold a -** pointer. -*/ -#define __GLX_GET_ANSWER_BUFFER(res,cl,size,align) \ - if ((size) > sizeof(answerBuffer)) { \ - int bump; \ - if ((cl)->returnBufSize < (size)+(align)) { \ - (cl)->returnBuf = (GLbyte*)Xrealloc((cl)->returnBuf, \ - (size)+(align)); \ - if (!(cl)->returnBuf) { \ - return BadAlloc; \ - } \ - (cl)->returnBufSize = (size)+(align); \ - } \ - res = (char*)cl->returnBuf; \ - bump = (long)(res) % (align); \ - if (bump) res += (align) - (bump); \ - } else { \ - res = (char *)answerBuffer; \ - } - -#define __GLX_PUT_BYTE() \ - *(GLbyte *)&__glXReply.pad3 = *(GLbyte *)answer - -#define __GLX_PUT_SHORT() \ - *(GLshort *)&__glXReply.pad3 = *(GLshort *)answer - -#define __GLX_PUT_INT() \ - *(GLint *)&__glXReply.pad3 = *(GLint *)answer - -#define __GLX_PUT_FLOAT() \ - *(GLfloat *)&__glXReply.pad3 = *(GLfloat *)answer - -#define __GLX_PUT_DOUBLE() \ - *(GLdouble *)&__glXReply.pad3 = *(GLdouble *)answer - -#define __GLX_SEND_BYTE_ARRAY(len) \ - WriteToClient(client, __GLX_PAD((len)*__GLX_SIZE_INT8), (char *)answer) - -#define __GLX_SEND_SHORT_ARRAY(len) \ - WriteToClient(client, __GLX_PAD((len)*__GLX_SIZE_INT16), (char *)answer) - -#define __GLX_SEND_INT_ARRAY(len) \ - WriteToClient(client, (len)*__GLX_SIZE_INT32, (char *)answer) - -#define __GLX_SEND_FLOAT_ARRAY(len) \ - WriteToClient(client, (len)*__GLX_SIZE_FLOAT32, (char *)answer) - -#define __GLX_SEND_DOUBLE_ARRAY(len) \ - WriteToClient(client, (len)*__GLX_SIZE_FLOAT64, (char *)answer) - - -#define __GLX_SEND_VOID_ARRAY(len) __GLX_SEND_BYTE_ARRAY(len) -#define __GLX_SEND_UBYTE_ARRAY(len) __GLX_SEND_BYTE_ARRAY(len) -#define __GLX_SEND_USHORT_ARRAY(len) __GLX_SEND_SHORT_ARRAY(len) -#define __GLX_SEND_UINT_ARRAY(len) __GLX_SEND_INT_ARRAY(len) - -/* -** PERFORMANCE NOTE: -** Machine dependent optimizations abound here; these swapping macros can -** conceivably be replaced with routines that do the job faster. -*/ -#define __GLX_DECLARE_SWAP_VARIABLES \ - GLbyte sw; \ - GLbyte *swapPC; \ - GLbyte *swapEnd - - -#define __GLX_SWAP_INT(pc) \ - sw = ((GLbyte *)(pc))[0]; \ - ((GLbyte *)(pc))[0] = ((GLbyte *)(pc))[3]; \ - ((GLbyte *)(pc))[3] = sw; \ - sw = ((GLbyte *)(pc))[1]; \ - ((GLbyte *)(pc))[1] = ((GLbyte *)(pc))[2]; \ - ((GLbyte *)(pc))[2] = sw; - -#define __GLX_SWAP_SHORT(pc) \ - sw = ((GLbyte *)(pc))[0]; \ - ((GLbyte *)(pc))[0] = ((GLbyte *)(pc))[1]; \ - ((GLbyte *)(pc))[1] = sw; - -#define __GLX_SWAP_DOUBLE(pc) \ - sw = ((GLbyte *)(pc))[0]; \ - ((GLbyte *)(pc))[0] = ((GLbyte *)(pc))[7]; \ - ((GLbyte *)(pc))[7] = sw; \ - sw = ((GLbyte *)(pc))[1]; \ - ((GLbyte *)(pc))[1] = ((GLbyte *)(pc))[6]; \ - ((GLbyte *)(pc))[6] = sw; \ - sw = ((GLbyte *)(pc))[2]; \ - ((GLbyte *)(pc))[2] = ((GLbyte *)(pc))[5]; \ - ((GLbyte *)(pc))[5] = sw; \ - sw = ((GLbyte *)(pc))[3]; \ - ((GLbyte *)(pc))[3] = ((GLbyte *)(pc))[4]; \ - ((GLbyte *)(pc))[4] = sw; - -#define __GLX_SWAP_FLOAT(pc) \ - sw = ((GLbyte *)(pc))[0]; \ - ((GLbyte *)(pc))[0] = ((GLbyte *)(pc))[3]; \ - ((GLbyte *)(pc))[3] = sw; \ - sw = ((GLbyte *)(pc))[1]; \ - ((GLbyte *)(pc))[1] = ((GLbyte *)(pc))[2]; \ - ((GLbyte *)(pc))[2] = sw; - -#define __GLX_SWAP_INT_ARRAY(pc, count) \ - swapPC = ((GLbyte *)(pc)); \ - swapEnd = ((GLbyte *)(pc)) + (count)*__GLX_SIZE_INT32;\ - while (swapPC < swapEnd) { \ - __GLX_SWAP_INT(swapPC); \ - swapPC += __GLX_SIZE_INT32; \ - } - -#define __GLX_SWAP_SHORT_ARRAY(pc, count) \ - swapPC = ((GLbyte *)(pc)); \ - swapEnd = ((GLbyte *)(pc)) + (count)*__GLX_SIZE_INT16;\ - while (swapPC < swapEnd) { \ - __GLX_SWAP_SHORT(swapPC); \ - swapPC += __GLX_SIZE_INT16; \ - } - -#define __GLX_SWAP_DOUBLE_ARRAY(pc, count) \ - swapPC = ((GLbyte *)(pc)); \ - swapEnd = ((GLbyte *)(pc)) + (count)*__GLX_SIZE_FLOAT64;\ - while (swapPC < swapEnd) { \ - __GLX_SWAP_DOUBLE(swapPC); \ - swapPC += __GLX_SIZE_FLOAT64; \ - } - -#define __GLX_SWAP_FLOAT_ARRAY(pc, count) \ - swapPC = ((GLbyte *)(pc)); \ - swapEnd = ((GLbyte *)(pc)) + (count)*__GLX_SIZE_FLOAT32;\ - while (swapPC < swapEnd) { \ - __GLX_SWAP_FLOAT(swapPC); \ - swapPC += __GLX_SIZE_FLOAT32; \ - } - -#define __GLX_SWAP_REPLY_HEADER() \ - __GLX_SWAP_SHORT(&__glXReply.sequenceNumber); \ - __GLX_SWAP_INT(&__glXReply.length); - -#define __GLX_SWAP_REPLY_RETVAL() \ - __GLX_SWAP_INT(&__glXReply.retval) - -#define __GLX_SWAP_REPLY_SIZE() \ - __GLX_SWAP_INT(&__glXReply.size) - -#endif /* !__GLX_unpack_h__ */ - - - - - +#ifndef __GLX_unpack_h__ +#define __GLX_unpack_h__ + +/* + * 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. + */ + +#define __GLX_PAD(s) (((s)+3) & (GLuint)~3) + +/* +** Fetch the context-id out of a SingleReq request pointed to by pc. +*/ +#define __GLX_GET_SINGLE_CONTEXT_TAG(pc) (((xGLXSingleReq*)pc)->contextTag) +#define __GLX_GET_VENDPRIV_CONTEXT_TAG(pc) (((xGLXVendorPrivateReq*)pc)->contextTag) + +/* +** Fetch a double from potentially unaligned memory. +*/ +#ifdef __GLX_ALIGN64 +#define __GLX_MEM_COPY(dst,src,n) memcpy(dst,src,n) +#define __GLX_GET_DOUBLE(dst,src) __GLX_MEM_COPY(&dst,src,8) +#else +#define __GLX_GET_DOUBLE(dst,src) (dst) = *((GLdouble*)(src)) +#endif + +extern void __glXMemInit(void); + +extern xGLXSingleReply __glXReply; + +#define __GLX_BEGIN_REPLY(size) \ + __glXReply.length = __GLX_PAD(size) >> 2; \ + __glXReply.type = X_Reply; \ + __glXReply.sequenceNumber = client->sequence; + +#define __GLX_SEND_HEADER() \ + WriteToClient( client, sz_xGLXSingleReply, (char *)&__glXReply); + +#define __GLX_PUT_RETVAL(a) \ + __glXReply.retval = (a); + +#define __GLX_PUT_SIZE(a) \ + __glXReply.size = (a); + +#define __GLX_PUT_RENDERMODE(m) \ + __glXReply.pad3 = (m) + +/* +** Get a buffer to hold returned data, with the given alignment. If we have +** to realloc, allocate size+align, in case the pointer has to be bumped for +** alignment. The answerBuffer should already be aligned. +** +** NOTE: the cast (long)res below assumes a long is large enough to hold a +** pointer. +*/ +#define __GLX_GET_ANSWER_BUFFER(res,cl,size,align) \ + if ((size) > sizeof(answerBuffer)) { \ + int bump; \ + if ((cl)->returnBufSize < (size)+(align)) { \ + (cl)->returnBuf = (GLbyte*)realloc((cl)->returnBuf, \ + (size)+(align)); \ + if (!(cl)->returnBuf) { \ + return BadAlloc; \ + } \ + (cl)->returnBufSize = (size)+(align); \ + } \ + res = (char*)cl->returnBuf; \ + bump = (long)(res) % (align); \ + if (bump) res += (align) - (bump); \ + } else { \ + res = (char *)answerBuffer; \ + } + +#define __GLX_PUT_BYTE() \ + *(GLbyte *)&__glXReply.pad3 = *(GLbyte *)answer + +#define __GLX_PUT_SHORT() \ + *(GLshort *)&__glXReply.pad3 = *(GLshort *)answer + +#define __GLX_PUT_INT() \ + *(GLint *)&__glXReply.pad3 = *(GLint *)answer + +#define __GLX_PUT_FLOAT() \ + *(GLfloat *)&__glXReply.pad3 = *(GLfloat *)answer + +#define __GLX_PUT_DOUBLE() \ + *(GLdouble *)&__glXReply.pad3 = *(GLdouble *)answer + +#define __GLX_SEND_BYTE_ARRAY(len) \ + WriteToClient(client, __GLX_PAD((len)*__GLX_SIZE_INT8), (char *)answer) + +#define __GLX_SEND_SHORT_ARRAY(len) \ + WriteToClient(client, __GLX_PAD((len)*__GLX_SIZE_INT16), (char *)answer) + +#define __GLX_SEND_INT_ARRAY(len) \ + WriteToClient(client, (len)*__GLX_SIZE_INT32, (char *)answer) + +#define __GLX_SEND_FLOAT_ARRAY(len) \ + WriteToClient(client, (len)*__GLX_SIZE_FLOAT32, (char *)answer) + +#define __GLX_SEND_DOUBLE_ARRAY(len) \ + WriteToClient(client, (len)*__GLX_SIZE_FLOAT64, (char *)answer) + + +#define __GLX_SEND_VOID_ARRAY(len) __GLX_SEND_BYTE_ARRAY(len) +#define __GLX_SEND_UBYTE_ARRAY(len) __GLX_SEND_BYTE_ARRAY(len) +#define __GLX_SEND_USHORT_ARRAY(len) __GLX_SEND_SHORT_ARRAY(len) +#define __GLX_SEND_UINT_ARRAY(len) __GLX_SEND_INT_ARRAY(len) + +/* +** PERFORMANCE NOTE: +** Machine dependent optimizations abound here; these swapping macros can +** conceivably be replaced with routines that do the job faster. +*/ +#define __GLX_DECLARE_SWAP_VARIABLES \ + GLbyte sw; \ + GLbyte *swapPC; \ + GLbyte *swapEnd + + +#define __GLX_SWAP_INT(pc) \ + sw = ((GLbyte *)(pc))[0]; \ + ((GLbyte *)(pc))[0] = ((GLbyte *)(pc))[3]; \ + ((GLbyte *)(pc))[3] = sw; \ + sw = ((GLbyte *)(pc))[1]; \ + ((GLbyte *)(pc))[1] = ((GLbyte *)(pc))[2]; \ + ((GLbyte *)(pc))[2] = sw; + +#define __GLX_SWAP_SHORT(pc) \ + sw = ((GLbyte *)(pc))[0]; \ + ((GLbyte *)(pc))[0] = ((GLbyte *)(pc))[1]; \ + ((GLbyte *)(pc))[1] = sw; + +#define __GLX_SWAP_DOUBLE(pc) \ + sw = ((GLbyte *)(pc))[0]; \ + ((GLbyte *)(pc))[0] = ((GLbyte *)(pc))[7]; \ + ((GLbyte *)(pc))[7] = sw; \ + sw = ((GLbyte *)(pc))[1]; \ + ((GLbyte *)(pc))[1] = ((GLbyte *)(pc))[6]; \ + ((GLbyte *)(pc))[6] = sw; \ + sw = ((GLbyte *)(pc))[2]; \ + ((GLbyte *)(pc))[2] = ((GLbyte *)(pc))[5]; \ + ((GLbyte *)(pc))[5] = sw; \ + sw = ((GLbyte *)(pc))[3]; \ + ((GLbyte *)(pc))[3] = ((GLbyte *)(pc))[4]; \ + ((GLbyte *)(pc))[4] = sw; + +#define __GLX_SWAP_FLOAT(pc) \ + sw = ((GLbyte *)(pc))[0]; \ + ((GLbyte *)(pc))[0] = ((GLbyte *)(pc))[3]; \ + ((GLbyte *)(pc))[3] = sw; \ + sw = ((GLbyte *)(pc))[1]; \ + ((GLbyte *)(pc))[1] = ((GLbyte *)(pc))[2]; \ + ((GLbyte *)(pc))[2] = sw; + +#define __GLX_SWAP_INT_ARRAY(pc, count) \ + swapPC = ((GLbyte *)(pc)); \ + swapEnd = ((GLbyte *)(pc)) + (count)*__GLX_SIZE_INT32;\ + while (swapPC < swapEnd) { \ + __GLX_SWAP_INT(swapPC); \ + swapPC += __GLX_SIZE_INT32; \ + } + +#define __GLX_SWAP_SHORT_ARRAY(pc, count) \ + swapPC = ((GLbyte *)(pc)); \ + swapEnd = ((GLbyte *)(pc)) + (count)*__GLX_SIZE_INT16;\ + while (swapPC < swapEnd) { \ + __GLX_SWAP_SHORT(swapPC); \ + swapPC += __GLX_SIZE_INT16; \ + } + +#define __GLX_SWAP_DOUBLE_ARRAY(pc, count) \ + swapPC = ((GLbyte *)(pc)); \ + swapEnd = ((GLbyte *)(pc)) + (count)*__GLX_SIZE_FLOAT64;\ + while (swapPC < swapEnd) { \ + __GLX_SWAP_DOUBLE(swapPC); \ + swapPC += __GLX_SIZE_FLOAT64; \ + } + +#define __GLX_SWAP_FLOAT_ARRAY(pc, count) \ + swapPC = ((GLbyte *)(pc)); \ + swapEnd = ((GLbyte *)(pc)) + (count)*__GLX_SIZE_FLOAT32;\ + while (swapPC < swapEnd) { \ + __GLX_SWAP_FLOAT(swapPC); \ + swapPC += __GLX_SIZE_FLOAT32; \ + } + +#define __GLX_SWAP_REPLY_HEADER() \ + __GLX_SWAP_SHORT(&__glXReply.sequenceNumber); \ + __GLX_SWAP_INT(&__glXReply.length); + +#define __GLX_SWAP_REPLY_RETVAL() \ + __GLX_SWAP_INT(&__glXReply.retval) + +#define __GLX_SWAP_REPLY_SIZE() \ + __GLX_SWAP_INT(&__glXReply.size) + +#endif /* !__GLX_unpack_h__ */ + + + + + -- cgit v1.2.3