From a13b75f056f9f9efcf6ecb8610b40ddbbb2bbb69 Mon Sep 17 00:00:00 2001 From: marha Date: Wed, 19 Jan 2011 17:29:52 +0000 Subject: xserver pixman mesa git update 19 jan 2011 --- xorg-server/glx/glxcmds.c | 4575 +++++++++++++++++++++-------------------- xorg-server/glx/glxcmdsswap.c | 1685 ++++++++------- xorg-server/glx/xfont.c | 370 ++-- 3 files changed, 3463 insertions(+), 3167 deletions(-) (limited to 'xorg-server/glx') diff --git a/xorg-server/glx/glxcmds.c b/xorg-server/glx/glxcmds.c index e19c51e7a..3ef567d10 100644 --- a/xorg-server/glx/glxcmds.c +++ b/xorg-server/glx/glxcmds.c @@ -1,2213 +1,2362 @@ -/* - * 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_DIX_CONFIG_H -#include -#endif - -#include -#include - -#include "glxserver.h" -#include -#include -#include -#include -#include "glxutil.h" -#include "glxext.h" -#include "glapitable.h" -#include "glapi.h" -#include "glthread.h" -#include "dispatch.h" -#include "indirect_dispatch.h" -#include "indirect_table.h" -#include "indirect_util.h" - -static int -validGlxScreen(ClientPtr client, int screen, __GLXscreen **pGlxScreen, int *err) -{ - /* - ** Check if screen exists. - */ - if (screen >= screenInfo.numScreens) { - client->errorValue = screen; - *err = BadValue; - return FALSE; - } - *pGlxScreen = glxGetScreen(screenInfo.screens[screen]); - - return TRUE; -} - -static int -validGlxFBConfig(ClientPtr client, __GLXscreen *pGlxScreen, XID id, - __GLXconfig **config, int *err) -{ - __GLXconfig *m; - - for (m = pGlxScreen->fbconfigs; m != NULL; m = m->next) - if (m->fbconfigID == id) { - *config = m; - return TRUE; - } - - client->errorValue = id; - *err = __glXError(GLXBadFBConfig); - - return FALSE; -} - -static int -validGlxVisual(ClientPtr client, __GLXscreen *pGlxScreen, XID id, - __GLXconfig **config, int *err) -{ - int i; - - for (i = 0; i < pGlxScreen->numVisuals; i++) - if (pGlxScreen->visuals[i]->visualID == id) { - *config = pGlxScreen->visuals[i]; - return TRUE; - } - - client->errorValue = id; - *err = BadValue; - - return FALSE; -} - -static int -validGlxFBConfigForWindow(ClientPtr client, __GLXconfig *config, - DrawablePtr pDraw, int *err) -{ - ScreenPtr pScreen = pDraw->pScreen; - VisualPtr pVisual = NULL; - XID vid; - int i; - - vid = wVisual((WindowPtr)pDraw); - for (i = 0; i < pScreen->numVisuals; i++) { - if (pScreen->visuals[i].vid == vid) { - pVisual = &pScreen->visuals[i]; - break; - } - } - - /* FIXME: What exactly should we check here... */ - if (pVisual->class != glxConvertToXVisualType(config->visualType) || - !(config->drawableType & GLX_WINDOW_BIT)) { - client->errorValue = pDraw->id; - *err = BadMatch; - return FALSE; - } - - return TRUE; -} - -static int -validGlxContext(ClientPtr client, XID id, int access_mode, - __GLXcontext **context, int *err) -{ - *err = dixLookupResourceByType((pointer *) context, id, - __glXContextRes, client, access_mode); - if (*err != Success) { - client->errorValue = id; - if (*err == BadValue) - *err = __glXError(GLXBadContext); - return FALSE; - } - - return TRUE; -} - -static int -validGlxDrawable(ClientPtr client, XID id, int type, int access_mode, - __GLXdrawable **drawable, int *err) -{ - int rc; - - rc = dixLookupResourceByType((pointer *) drawable, id, - __glXDrawableRes, client, access_mode); - if (rc != Success && rc != BadValue) { - *err = rc; - client->errorValue = id; - return FALSE; - } - - /* If the ID of the glx drawable we looked up doesn't match the id - * we looked for, it's because we looked it up under the X - * drawable ID (see DoCreateGLXDrawable). */ - if (rc == BadValue || - (*drawable)->drawId != id || - (type != GLX_DRAWABLE_ANY && type != (*drawable)->type)) { - client->errorValue = id; - switch (type) { - case GLX_DRAWABLE_WINDOW: - *err = __glXError(GLXBadWindow); - return FALSE; - case GLX_DRAWABLE_PIXMAP: - *err = __glXError(GLXBadPixmap); - return FALSE; - case GLX_DRAWABLE_PBUFFER: - *err = __glXError(GLXBadPbuffer); - return FALSE; - case GLX_DRAWABLE_ANY: - *err = __glXError(GLXBadDrawable); - return FALSE; - } - } - - return TRUE; -} - -void -__glXContextDestroy(__GLXcontext *context) -{ - __glXFlushContextCache(); -} - -static void __glXdirectContextDestroy(__GLXcontext *context) -{ - __glXContextDestroy(context); - free(context); -} - -static __GLXcontext *__glXdirectContextCreate(__GLXscreen *screen, - __GLXconfig *modes, - __GLXcontext *shareContext) -{ - __GLXcontext *context; - - context = calloc(1, sizeof (__GLXcontext)); - if (context == NULL) - return NULL; - - context->destroy = __glXdirectContextDestroy; - - return context; -} - -/** - * Create a GL context with the given properties. This routine is used - * to implement \c glXCreateContext, \c glXCreateNewContext, and - * \c glXCreateContextWithConfigSGIX. This works becuase of the hack way - * that GLXFBConfigs are implemented. Basically, the FBConfigID is the - * same as the VisualID. - */ - -static int -DoCreateContext(__GLXclientState *cl, GLXContextID gcId, - GLXContextID shareList, __GLXconfig *config, - __GLXscreen *pGlxScreen, GLboolean isDirect) -{ - ClientPtr client = cl->client; - __GLXcontext *glxc, *shareglxc; - int err; - - LEGAL_NEW_RESOURCE(gcId, client); - - /* - ** Find the display list space that we want to share. - ** - ** NOTE: In a multithreaded X server, we would need to keep a reference - ** count for each display list so that if one client detroyed a list that - ** another client was using, the list would not really be freed until it - ** was no longer in use. Since this sample implementation has no support - ** for multithreaded servers, we don't do this. - */ - if (shareList == None) { - shareglxc = 0; - } else { - if (!validGlxContext(client, shareList, DixReadAccess, - &shareglxc, &err)) - return err; - - if (shareglxc->isDirect) { - /* - ** NOTE: no support for sharing display lists between direct - ** contexts, even if they are in the same address space. - */ -#if 0 - /* Disabling this code seems to allow shared display lists - * and texture objects to work. We'll leave it disabled for now. - */ - client->errorValue = shareList; - return BadMatch; -#endif - } else { - /* - ** Create an indirect context regardless of what the client asked - ** for; this way we can share display list space with shareList. - */ - isDirect = GL_FALSE; - } - } - - /* - ** Allocate memory for the new context - */ - if (!isDirect) - glxc = pGlxScreen->createContext(pGlxScreen, config, shareglxc); - else - glxc = __glXdirectContextCreate(pGlxScreen, config, shareglxc); - if (!glxc) { - return BadAlloc; - } - - /* - ** Initially, setup the part of the context that could be used by - ** a GL core that needs windowing information (e.g., Mesa). - */ - glxc->pGlxScreen = pGlxScreen; - glxc->config = config; - - /* - ** Register this context as a resource. - */ - if (!AddResource(gcId, __glXContextRes, (pointer)glxc)) { - (*glxc->destroy)(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; - glxc->isDirect = isDirect; - glxc->renderMode = GL_RENDER; - - __glXAddToContextList(glxc); - - return Success; -} - -int __glXDisp_CreateContext(__GLXclientState *cl, GLbyte *pc) -{ - xGLXCreateContextReq *req = (xGLXCreateContextReq *) pc; - __GLXconfig *config; - __GLXscreen *pGlxScreen; - int err; - - if (!validGlxScreen(cl->client, req->screen, &pGlxScreen, &err)) - return err; - if (!validGlxVisual(cl->client, pGlxScreen, req->visual, &config, &err)) - return err; - - return DoCreateContext(cl, req->context, req->shareList, - config, pGlxScreen, req->isDirect); -} - -int __glXDisp_CreateNewContext(__GLXclientState *cl, GLbyte *pc) -{ - xGLXCreateNewContextReq *req = (xGLXCreateNewContextReq *) pc; - __GLXconfig *config; - __GLXscreen *pGlxScreen; - int err; - - if (!validGlxScreen(cl->client, req->screen, &pGlxScreen, &err)) - return err; - if (!validGlxFBConfig(cl->client, pGlxScreen, req->fbconfig, &config, &err)) - return err; - - return DoCreateContext(cl, req->context, req->shareList, - config, pGlxScreen, req->isDirect); -} - -int __glXDisp_CreateContextWithConfigSGIX(__GLXclientState *cl, GLbyte *pc) -{ - xGLXCreateContextWithConfigSGIXReq *req = - (xGLXCreateContextWithConfigSGIXReq *) pc; - __GLXconfig *config; - __GLXscreen *pGlxScreen; - int err; - - if (!validGlxScreen(cl->client, req->screen, &pGlxScreen, &err)) - return err; - if (!validGlxFBConfig(cl->client, pGlxScreen, req->fbconfig, &config, &err)) - return err; - - return DoCreateContext(cl, req->context, req->shareList, - config, pGlxScreen, req->isDirect); -} -int __glXDisp_DestroyContext(__GLXclientState *cl, GLbyte *pc) -{ - xGLXDestroyContextReq *req = (xGLXDestroyContextReq *) pc; - __GLXcontext *glxc; - int err; - - if (!validGlxContext(cl->client, req->context, DixDestroyAccess, - &glxc, &err)) - return err; - - FreeResourceByType(req->context, __glXContextRes, FALSE); - 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) -{ - int i; - int num = cl->numCurrentContexts; - __GLXcontext **table = cl->currentContexts; - - if (!glxc) return -1; - - /* - ** Try to find an empty slot and use it. - */ - for (i=0; i < num; i++) { - if (!table[i]) { - table[i] = glxc; - return i+1; - } - } - /* - ** Didn't find a free slot, so we'll have to grow the table. - */ - if (!num) { - table = (__GLXcontext **) malloc(sizeof(__GLXcontext *)); - } else { - table = (__GLXcontext **) realloc(table, - (num+1)*sizeof(__GLXcontext *)); - } - table[num] = glxc; - cl->currentContexts = table; - cl->numCurrentContexts++; - 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; -} - -/* -** 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]; - } -} - -/*****************************************************************************/ - -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; - __glXLastContext = glxc; -} - -/** - * This is a helper function to handle the legacy (pre GLX 1.3) cases - * where passing an X window to glXMakeCurrent is valid. Given a - * resource ID, look up the GLX drawable if available, otherwise, make - * sure it's an X window and create a GLX drawable one the fly. - */ -static __GLXdrawable * -__glXGetDrawable(__GLXcontext *glxc, GLXDrawable drawId, ClientPtr client, - int *error) -{ - DrawablePtr pDraw; - __GLXdrawable *pGlxDraw; - int rc; - - if (validGlxDrawable(client, drawId, GLX_DRAWABLE_ANY, - DixWriteAccess, &pGlxDraw, &rc)) { - if (glxc != NULL && pGlxDraw->config != glxc->config) { - client->errorValue = drawId; - *error = BadMatch; - return NULL; - } - - return pGlxDraw; - } - - /* No active context and an unknown drawable, bail. */ - if (glxc == NULL) { - client->errorValue = drawId; - *error = BadMatch; - return NULL; - } - - /* The drawId wasn't a GLX drawable. Make sure it's a window and - * create a GLXWindow for it. Check that the drawable screen - * matches the context screen and that the context fbconfig is - * compatible with the window visual. */ - - rc = dixLookupDrawable(&pDraw, drawId, client, 0, DixGetAttrAccess); - if (rc != Success || pDraw->type != DRAWABLE_WINDOW) { - client->errorValue = drawId; - *error = __glXError(GLXBadDrawable); - return NULL; - } - - if (pDraw->pScreen != glxc->pGlxScreen->pScreen) { - client->errorValue = pDraw->pScreen->myNum; - *error = BadMatch; - return NULL; - } - - if (!validGlxFBConfigForWindow(client, glxc->config, pDraw, error)) - return NULL; - - pGlxDraw = glxc->pGlxScreen->createDrawable(client, glxc->pGlxScreen, - pDraw, drawId, - GLX_DRAWABLE_WINDOW, - drawId, glxc->config); - - /* since we are creating the drawablePrivate, drawId should be new */ - if (!AddResource(drawId, __glXDrawableRes, pGlxDraw)) { - pGlxDraw->destroy (pGlxDraw); - *error = BadAlloc; - return NULL; - } - - return pGlxDraw; -} - -/*****************************************************************************/ -/* -** Make an OpenGL context and drawable current. -*/ - -static int -DoMakeCurrent(__GLXclientState *cl, - GLXDrawable drawId, GLXDrawable readId, - GLXContextID contextId, GLXContextTag tag) -{ - ClientPtr client = cl->client; - xGLXMakeCurrentReply reply; - __GLXcontext *glxc, *prevglxc; - __GLXdrawable *drawPriv = NULL; - __GLXdrawable *readPriv = NULL; - int error; - GLuint mask; - - /* - ** If one is None and the other isn't, it's a bad match. - */ - - mask = (drawId == None) ? (1 << 0) : 0; - mask |= (readId == None) ? (1 << 1) : 0; - mask |= (contextId == None) ? (1 << 2) : 0; - - if ( (mask != 0x00) && (mask != 0x07) ) { - 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 __glXError(GLXBadContextTag); - } - if (prevglxc->renderMode != GL_RENDER) { - /* Oops. Not in render mode render. */ - client->errorValue = prevglxc->id; - return __glXError(GLXBadContextState); - } - } else { - prevglxc = 0; - } - - /* - ** Lookup new context. It must not be current for someone else. - */ - if (contextId != None) { - int status; - - if (!validGlxContext(client, contextId, DixUseAccess, &glxc, &error)) - return error; - if ((glxc != prevglxc) && glxc->isCurrent) { - /* Context is current to somebody else */ - return BadAccess; - } - - assert( drawId != None ); - assert( readId != None ); - - drawPriv = __glXGetDrawable(glxc, drawId, client, &status); - if (drawPriv == NULL) - return status; - - readPriv = __glXGetDrawable(glxc, readId, client, &status); - if (readPriv == NULL) - return status; - - } else { - /* Switching to no context. Ignore new drawable. */ - glxc = 0; - drawPriv = 0; - readPriv = 0; - } - - - if (prevglxc) { - /* - ** Flush the previous context if needed. - */ - if (__GLX_HAS_UNFLUSHED_CMDS(prevglxc)) { - if (__glXForceCurrent(cl, tag, (int *)&error)) { - CALL_Flush( GET_DISPATCH(), () ); - __GLX_NOTE_FLUSHED_CMDS(prevglxc); - } else { - return error; - } - } - - /* - ** Make the previous context not current. - */ - if (!(*prevglxc->loseCurrent)(prevglxc)) { - return __glXError(GLXBadContext); - } - __glXFlushContextCache(); - if (!prevglxc->isDirect) { - prevglxc->drawPriv = NULL; - prevglxc->readPriv = NULL; - } - } - - - if ((glxc != 0) && !glxc->isDirect) { - - glxc->drawPriv = drawPriv; - glxc->readPriv = readPriv; - - /* make the context current */ - if (!(*glxc->makeCurrent)(glxc)) { - glxc->drawPriv = NULL; - glxc->readPriv = NULL; - return __glXError(GLXBadContext); - } - - glxc->isCurrent = GL_TRUE; - } - - if (prevglxc) { - ChangeCurrentContext(cl, glxc, tag); - StopUsingContext(prevglxc); - } else { - tag = AddCurrentContext(cl, glxc); - } - - if (glxc) { - StartUsingContext(cl, glxc); - reply.contextTag = tag; - } else { - reply.contextTag = 0; - } - - reply.length = 0; - reply.type = X_Reply; - reply.sequenceNumber = client->sequence; - - if (client->swapped) { - __glXSwapMakeCurrentReply(client, &reply); - } else { - WriteToClient(client, sz_xGLXMakeCurrentReply, (char *)&reply); - } - return Success; -} - -int __glXDisp_MakeCurrent(__GLXclientState *cl, GLbyte *pc) -{ - xGLXMakeCurrentReq *req = (xGLXMakeCurrentReq *) pc; - - return DoMakeCurrent( cl, req->drawable, req->drawable, - req->context, req->oldContextTag ); -} - -int __glXDisp_MakeContextCurrent(__GLXclientState *cl, GLbyte *pc) -{ - xGLXMakeContextCurrentReq *req = (xGLXMakeContextCurrentReq *) pc; - - return DoMakeCurrent( cl, req->drawable, req->readdrawable, - req->context, req->oldContextTag ); -} - -int __glXDisp_MakeCurrentReadSGI(__GLXclientState *cl, GLbyte *pc) -{ - xGLXMakeCurrentReadSGIReq *req = (xGLXMakeCurrentReadSGIReq *) pc; - - return DoMakeCurrent( cl, req->drawable, req->readable, - req->context, req->oldContextTag ); -} - -int __glXDisp_IsDirect(__GLXclientState *cl, GLbyte *pc) -{ - ClientPtr client = cl->client; - xGLXIsDirectReq *req = (xGLXIsDirectReq *) pc; - xGLXIsDirectReply reply; - __GLXcontext *glxc; - int err; - - if (!validGlxContext(cl->client, req->context, DixReadAccess, &glxc, &err)) - return err; - - reply.isDirect = glxc->isDirect; - 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 __glXDisp_QueryVersion(__GLXclientState *cl, GLbyte *pc) -{ - ClientPtr client = cl->client; - xGLXQueryVersionReq *req = (xGLXQueryVersionReq *) pc; - xGLXQueryVersionReply reply; - GLuint major, minor; - - major = req->majorVersion; - minor = req->minorVersion; - (void)major; - (void)minor; - - /* - ** 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 = glxMajorVersion; - reply.minorVersion = glxMinorVersion; - 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 __glXDisp_WaitGL(__GLXclientState *cl, GLbyte *pc) -{ - xGLXWaitGLReq *req = (xGLXWaitGLReq *)pc; - GLXContextTag tag = req->contextTag; - __GLXcontext *glxc = NULL; - int error; - - if (tag) { - glxc = __glXLookupContextByTag(cl, tag); - if (!glxc) - return __glXError(GLXBadContextTag); - - if (!__glXForceCurrent(cl, req->contextTag, &error)) - return error; - - CALL_Finish( GET_DISPATCH(), () ); - } - - if (glxc && glxc->drawPriv->waitGL) - (*glxc->drawPriv->waitGL)(glxc->drawPriv); - - return Success; -} - -int __glXDisp_WaitX(__GLXclientState *cl, GLbyte *pc) -{ - xGLXWaitXReq *req = (xGLXWaitXReq *)pc; - GLXContextTag tag = req->contextTag; - __GLXcontext *glxc = NULL; - int error; - - if (tag) { - glxc = __glXLookupContextByTag(cl, tag); - if (!glxc) - return __glXError(GLXBadContextTag); - - if (!__glXForceCurrent(cl, req->contextTag, &error)) - return error; - } - - if (glxc && glxc->drawPriv->waitX) - (*glxc->drawPriv->waitX)(glxc->drawPriv); - - return Success; -} - -int __glXDisp_CopyContext(__GLXclientState *cl, GLbyte *pc) -{ - ClientPtr client = cl->client; - 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 error; - - if (!validGlxContext(cl->client, source, DixReadAccess, &src, &error)) - return error; - if (!validGlxContext(cl->client, dest, DixWriteAccess, &dst, &error)) - return error; - - /* - ** They must be in the same address space, and same screen. - ** NOTE: no support for direct rendering contexts here. - */ - if (src->isDirect || dst->isDirect || - (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 __glXError(GLXBadContextTag); - } - if (tagcx != src) { - /* - ** This would be caused by a faulty implementation of the client - ** library. - */ - return BadMatch; - } - /* - ** In this case, glXCopyContext is in both GL and X streams, in terms - ** of sequentiality. - */ - if (__glXForceCurrent(cl, tag, &error)) { - /* - ** Do whatever is needed to make sure that all preceding requests - ** in both streams are completed before the copy is executed. - */ - CALL_Finish( GET_DISPATCH(), () ); - __GLX_NOTE_FLUSHED_CMDS(tagcx); - } else { - return error; - } - } - /* - ** Issue copy. The only reason for failure is a bad mask. - */ - if (!(*dst->copy)(dst, src, mask)) { - client->errorValue = mask; - return BadValue; - } - return Success; -} - -enum { - GLX_VIS_CONFIG_UNPAIRED = 18, - GLX_VIS_CONFIG_PAIRED = 20 -}; - -enum { - GLX_VIS_CONFIG_TOTAL = GLX_VIS_CONFIG_UNPAIRED + GLX_VIS_CONFIG_PAIRED -}; - -int __glXDisp_GetVisualConfigs(__GLXclientState *cl, GLbyte *pc) -{ - xGLXGetVisualConfigsReq *req = (xGLXGetVisualConfigsReq *) pc; - ClientPtr client = cl->client; - xGLXGetVisualConfigsReply reply; - __GLXscreen *pGlxScreen; - __GLXconfig *modes; - CARD32 buf[GLX_VIS_CONFIG_TOTAL]; - int p, i, err; - __GLX_DECLARE_SWAP_VARIABLES; - __GLX_DECLARE_SWAP_ARRAY_VARIABLES; - - if (!validGlxScreen(cl->client, req->screen, &pGlxScreen, &err)) - return err; - - reply.numVisuals = pGlxScreen->numVisuals; - reply.numProps = GLX_VIS_CONFIG_TOTAL; - reply.length = (reply.numVisuals * __GLX_SIZE_CARD32 * GLX_VIS_CONFIG_TOTAL) >> 2; - reply.type = X_Reply; - reply.sequenceNumber = client->sequence; - - if (client->swapped) { - __GLX_SWAP_SHORT(&reply.sequenceNumber); - __GLX_SWAP_INT(&reply.length); - __GLX_SWAP_INT(&reply.numVisuals); - __GLX_SWAP_INT(&reply.numProps); - } - - WriteToClient(client, sz_xGLXGetVisualConfigsReply, (char *)&reply); - - for (i = 0; i < pGlxScreen->numVisuals; i++) { - modes = pGlxScreen->visuals[i]; - - p = 0; - buf[p++] = modes->visualID; - buf[p++] = glxConvertToXVisualType( modes->visualType ); - buf[p++] = (modes->renderType & GLX_RGBA_BIT) ? GL_TRUE : GL_FALSE; - - buf[p++] = modes->redBits; - buf[p++] = modes->greenBits; - buf[p++] = modes->blueBits; - buf[p++] = modes->alphaBits; - buf[p++] = modes->accumRedBits; - buf[p++] = modes->accumGreenBits; - buf[p++] = modes->accumBlueBits; - buf[p++] = modes->accumAlphaBits; - - buf[p++] = modes->doubleBufferMode; - buf[p++] = modes->stereoMode; - - buf[p++] = modes->rgbBits; - buf[p++] = modes->depthBits; - buf[p++] = modes->stencilBits; - buf[p++] = modes->numAuxBuffers; - buf[p++] = modes->level; - - assert(p == GLX_VIS_CONFIG_UNPAIRED); - /* - ** Add token/value pairs for extensions. - */ - buf[p++] = GLX_VISUAL_CAVEAT_EXT; - buf[p++] = modes->visualRating; - buf[p++] = GLX_TRANSPARENT_TYPE; - buf[p++] = modes->transparentPixel; - buf[p++] = GLX_TRANSPARENT_RED_VALUE; - buf[p++] = modes->transparentRed; - buf[p++] = GLX_TRANSPARENT_GREEN_VALUE; - buf[p++] = modes->transparentGreen; - buf[p++] = GLX_TRANSPARENT_BLUE_VALUE; - buf[p++] = modes->transparentBlue; - buf[p++] = GLX_TRANSPARENT_ALPHA_VALUE; - buf[p++] = modes->transparentAlpha; - buf[p++] = GLX_TRANSPARENT_INDEX_VALUE; - buf[p++] = modes->transparentIndex; - buf[p++] = GLX_SAMPLES_SGIS; - buf[p++] = modes->samples; - buf[p++] = GLX_SAMPLE_BUFFERS_SGIS; - buf[p++] = modes->sampleBuffers; - buf[p++] = 0; /* copy over visualSelectGroup (GLX_VISUAL_SELECT_GROUP_SGIX)? */ - buf[p++] = 0; - - assert(p == GLX_VIS_CONFIG_TOTAL); - if (client->swapped) { - __GLX_SWAP_INT_ARRAY(buf, p); - } - WriteToClient(client, __GLX_SIZE_CARD32 * p, (char *)buf); - } - return Success; -} - -#define __GLX_TOTAL_FBCONFIG_ATTRIBS (36) -#define __GLX_FBCONFIG_ATTRIBS_LENGTH (__GLX_TOTAL_FBCONFIG_ATTRIBS * 2) -/** - * Send the set of GLXFBConfigs to the client. There is not currently - * and interface into the driver on the server-side to get GLXFBConfigs, - * so we "invent" some based on the \c __GLXvisualConfig structures that - * the driver does supply. - * - * The reply format for both \c glXGetFBConfigs and \c glXGetFBConfigsSGIX - * is the same, so this routine pulls double duty. - */ - -static int -DoGetFBConfigs(__GLXclientState *cl, unsigned screen) -{ - ClientPtr client = cl->client; - xGLXGetFBConfigsReply reply; - __GLXscreen *pGlxScreen; - CARD32 buf[__GLX_FBCONFIG_ATTRIBS_LENGTH]; - int p, err; - __GLXconfig *modes; - __GLX_DECLARE_SWAP_VARIABLES; - __GLX_DECLARE_SWAP_ARRAY_VARIABLES; - - if (!validGlxScreen(cl->client, screen, &pGlxScreen, &err)) - return err; - - reply.numFBConfigs = pGlxScreen->numFBConfigs; - reply.numAttribs = __GLX_TOTAL_FBCONFIG_ATTRIBS; - reply.length = (__GLX_FBCONFIG_ATTRIBS_LENGTH * reply.numFBConfigs); - reply.type = X_Reply; - reply.sequenceNumber = client->sequence; - - if (client->swapped) { - __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 (modes = pGlxScreen->fbconfigs; modes != NULL; modes = modes->next) { - p = 0; - -#define WRITE_PAIR(tag,value) \ - do { buf[p++] = tag ; buf[p++] = value ; } while( 0 ) - - WRITE_PAIR( GLX_VISUAL_ID, modes->visualID ); - WRITE_PAIR( GLX_FBCONFIG_ID, modes->fbconfigID ); - WRITE_PAIR( GLX_X_RENDERABLE, GL_TRUE ); - - WRITE_PAIR( GLX_RGBA, - (modes->renderType & GLX_RGBA_BIT) ? GL_TRUE : GL_FALSE ); - WRITE_PAIR( GLX_RENDER_TYPE, modes->renderType ); - WRITE_PAIR( GLX_DOUBLEBUFFER, modes->doubleBufferMode ); - WRITE_PAIR( GLX_STEREO, modes->stereoMode ); - - WRITE_PAIR( GLX_BUFFER_SIZE, modes->rgbBits ); - WRITE_PAIR( GLX_LEVEL, modes->level ); - WRITE_PAIR( GLX_AUX_BUFFERS, modes->numAuxBuffers ); - WRITE_PAIR( GLX_RED_SIZE, modes->redBits ); - WRITE_PAIR( GLX_GREEN_SIZE, modes->greenBits ); - WRITE_PAIR( GLX_BLUE_SIZE, modes->blueBits ); - WRITE_PAIR( GLX_ALPHA_SIZE, modes->alphaBits ); - WRITE_PAIR( GLX_ACCUM_RED_SIZE, modes->accumRedBits ); - WRITE_PAIR( GLX_ACCUM_GREEN_SIZE, modes->accumGreenBits ); - WRITE_PAIR( GLX_ACCUM_BLUE_SIZE, modes->accumBlueBits ); - WRITE_PAIR( GLX_ACCUM_ALPHA_SIZE, modes->accumAlphaBits ); - WRITE_PAIR( GLX_DEPTH_SIZE, modes->depthBits ); - WRITE_PAIR( GLX_STENCIL_SIZE, modes->stencilBits ); - WRITE_PAIR( GLX_X_VISUAL_TYPE, modes->visualType ); - WRITE_PAIR( GLX_CONFIG_CAVEAT, modes->visualRating ); - WRITE_PAIR( GLX_TRANSPARENT_TYPE, modes->transparentPixel ); - WRITE_PAIR( GLX_TRANSPARENT_RED_VALUE, modes->transparentRed ); - WRITE_PAIR( GLX_TRANSPARENT_GREEN_VALUE, modes->transparentGreen ); - WRITE_PAIR( GLX_TRANSPARENT_BLUE_VALUE, modes->transparentBlue ); - WRITE_PAIR( GLX_TRANSPARENT_ALPHA_VALUE, modes->transparentAlpha ); - WRITE_PAIR( GLX_TRANSPARENT_INDEX_VALUE, modes->transparentIndex ); - WRITE_PAIR( GLX_SWAP_METHOD_OML, modes->swapMethod ); - WRITE_PAIR( GLX_SAMPLES_SGIS, modes->samples ); - WRITE_PAIR( GLX_SAMPLE_BUFFERS_SGIS, modes->sampleBuffers ); - /* GLX_VISUAL_SELECT_GROUP_SGIX ? */ - WRITE_PAIR( GLX_DRAWABLE_TYPE, modes->drawableType ); - WRITE_PAIR( GLX_BIND_TO_TEXTURE_RGB_EXT, modes->bindToTextureRgb ); - WRITE_PAIR( GLX_BIND_TO_TEXTURE_RGBA_EXT, modes->bindToTextureRgba ); - WRITE_PAIR( GLX_BIND_TO_MIPMAP_TEXTURE_EXT, modes->bindToMipmapTexture ); - WRITE_PAIR( GLX_BIND_TO_TEXTURE_TARGETS_EXT, modes->bindToTextureTargets ); - - if (client->swapped) { - __GLX_SWAP_INT_ARRAY(buf, __GLX_FBCONFIG_ATTRIBS_LENGTH); - } - WriteToClient(client, __GLX_SIZE_CARD32 * __GLX_FBCONFIG_ATTRIBS_LENGTH, - (char *)buf); - } - return Success; -} - - -int __glXDisp_GetFBConfigs(__GLXclientState *cl, GLbyte *pc) -{ - xGLXGetFBConfigsReq *req = (xGLXGetFBConfigsReq *) pc; - return DoGetFBConfigs(cl, req->screen); -} - -int __glXDisp_GetFBConfigsSGIX(__GLXclientState *cl, GLbyte *pc) -{ - xGLXGetFBConfigsSGIXReq *req = (xGLXGetFBConfigsSGIXReq *) pc; - return DoGetFBConfigs(cl, req->screen); -} - -GLboolean -__glXDrawableInit(__GLXdrawable *drawable, - __GLXscreen *screen, DrawablePtr pDraw, int type, - XID drawId, __GLXconfig *config) -{ - drawable->pDraw = pDraw; - drawable->type = type; - drawable->drawId = drawId; - drawable->config = config; - drawable->eventMask = 0; - - return GL_TRUE; -} - -void -__glXDrawableRelease(__GLXdrawable *drawable) -{ -} - -static int -DoCreateGLXDrawable(ClientPtr client, __GLXscreen *pGlxScreen, - __GLXconfig *config, DrawablePtr pDraw, XID drawableId, - XID glxDrawableId, int type) -{ - __GLXdrawable *pGlxDraw; - - if (pGlxScreen->pScreen != pDraw->pScreen) - return BadMatch; - - pGlxDraw = pGlxScreen->createDrawable(client, pGlxScreen, pDraw, - drawableId, type, - glxDrawableId, config); - if (pGlxDraw == NULL) - return BadAlloc; - - if (!AddResource(glxDrawableId, __glXDrawableRes, pGlxDraw)) { - pGlxDraw->destroy (pGlxDraw); - return BadAlloc; - } - - /* Add the glx drawable under the XID of the underlying X drawable - * too. That way we'll get a callback in DrawableGone and can - * clean up properly when the drawable is destroyed. */ - if (drawableId != glxDrawableId && - !AddResource(pDraw->id, __glXDrawableRes, pGlxDraw)) { - pGlxDraw->destroy (pGlxDraw); - return BadAlloc; - } - - return Success; -} - -static int -DoCreateGLXPixmap(ClientPtr client, __GLXscreen *pGlxScreen, __GLXconfig *config, - XID drawableId, XID glxDrawableId) -{ - DrawablePtr pDraw; - int err; - - LEGAL_NEW_RESOURCE(glxDrawableId, client); - - err = dixLookupDrawable(&pDraw, drawableId, client, 0, DixAddAccess); - if (err != Success) { - client->errorValue = drawableId; - return err; - } - if (pDraw->type != DRAWABLE_PIXMAP) { - client->errorValue = drawableId; - return BadPixmap; - } - - err = DoCreateGLXDrawable(client, pGlxScreen, config, pDraw, drawableId, - glxDrawableId, GLX_DRAWABLE_PIXMAP); - - return err; -} - -static void -determineTextureTarget(ClientPtr client, XID glxDrawableID, - CARD32 *attribs, CARD32 numAttribs) -{ - GLenum target = 0; - GLenum format = 0; - int i, err; - __GLXdrawable *pGlxDraw; - - if (!validGlxDrawable(client, glxDrawableID, GLX_DRAWABLE_PIXMAP, - DixWriteAccess, &pGlxDraw, &err)) - /* We just added it in CreatePixmap, so we should never get here. */ - return; - - for (i = 0; i < numAttribs; i++) { - if (attribs[2 * i] == GLX_TEXTURE_TARGET_EXT) { - switch (attribs[2 * i + 1]) { - case GLX_TEXTURE_2D_EXT: - target = GL_TEXTURE_2D; - break; - case GLX_TEXTURE_RECTANGLE_EXT: - target = GL_TEXTURE_RECTANGLE_ARB; - break; - } - } - - if (attribs[2 * i] == GLX_TEXTURE_FORMAT_EXT) - format = attribs[2 * i + 1]; - } - - if (!target) { - int w = pGlxDraw->pDraw->width, h = pGlxDraw->pDraw->height; - - if (h & (h - 1) || w & (w - 1)) - target = GL_TEXTURE_RECTANGLE_ARB; - else - target = GL_TEXTURE_2D; - } - - pGlxDraw->target = target; - pGlxDraw->format = format; -} - -int __glXDisp_CreateGLXPixmap(__GLXclientState *cl, GLbyte *pc) -{ - xGLXCreateGLXPixmapReq *req = (xGLXCreateGLXPixmapReq *) pc; - __GLXconfig *config; - __GLXscreen *pGlxScreen; - int err; - - if (!validGlxScreen(cl->client, req->screen, &pGlxScreen, &err)) - return err; - if (!validGlxVisual(cl->client, pGlxScreen, req->visual, &config, &err)) - return err; - - return DoCreateGLXPixmap(cl->client, pGlxScreen, config, - req->pixmap, req->glxpixmap); -} - -int __glXDisp_CreatePixmap(__GLXclientState *cl, GLbyte *pc) -{ - xGLXCreatePixmapReq *req = (xGLXCreatePixmapReq *) pc; - __GLXconfig *config; - __GLXscreen *pGlxScreen; - int err; - - if (!validGlxScreen(cl->client, req->screen, &pGlxScreen, &err)) - return err; - if (!validGlxFBConfig(cl->client, pGlxScreen, req->fbconfig, &config, &err)) - return err; - - err = DoCreateGLXPixmap(cl->client, pGlxScreen, config, - req->pixmap, req->glxpixmap); - if (err != Success) - return err; - - determineTextureTarget(cl->client, req->glxpixmap, - (CARD32*) (req + 1), req->numAttribs); - - return Success; -} - -int __glXDisp_CreateGLXPixmapWithConfigSGIX(__GLXclientState *cl, GLbyte *pc) -{ - xGLXCreateGLXPixmapWithConfigSGIXReq *req = - (xGLXCreateGLXPixmapWithConfigSGIXReq *) pc; - __GLXconfig *config; - __GLXscreen *pGlxScreen; - int err; - - if (!validGlxScreen(cl->client, req->screen, &pGlxScreen, &err)) - return err; - if (!validGlxFBConfig(cl->client, pGlxScreen, req->fbconfig, &config, &err)) - return err; - - return DoCreateGLXPixmap(cl->client, pGlxScreen, - config, req->pixmap, req->glxpixmap); -} - - -static int DoDestroyDrawable(__GLXclientState *cl, XID glxdrawable, int type) -{ - __GLXdrawable *pGlxDraw; - int err; - - if (!validGlxDrawable(cl->client, glxdrawable, type, - DixDestroyAccess, &pGlxDraw, &err)) - return err; - - FreeResource(glxdrawable, FALSE); - - return Success; -} - -int __glXDisp_DestroyGLXPixmap(__GLXclientState *cl, GLbyte *pc) -{ - xGLXDestroyGLXPixmapReq *req = (xGLXDestroyGLXPixmapReq *) pc; - - return DoDestroyDrawable(cl, req->glxpixmap, GLX_DRAWABLE_PIXMAP); -} - -int __glXDisp_DestroyPixmap(__GLXclientState *cl, GLbyte *pc) -{ - xGLXDestroyPixmapReq *req = (xGLXDestroyPixmapReq *) pc; - - return DoDestroyDrawable(cl, req->glxpixmap, GLX_DRAWABLE_PIXMAP); -} - -static int -DoCreatePbuffer(ClientPtr client, int screenNum, XID fbconfigId, - int width, int height, XID glxDrawableId) -{ - __GLXconfig *config; - __GLXscreen *pGlxScreen; - PixmapPtr pPixmap; - int err; - - LEGAL_NEW_RESOURCE(glxDrawableId, client); - - if (!validGlxScreen(client, screenNum, &pGlxScreen, &err)) - return err; - if (!validGlxFBConfig(client, pGlxScreen, fbconfigId, &config, &err)) - return err; - - __glXenterServer(GL_FALSE); - pPixmap = (*pGlxScreen->pScreen->CreatePixmap) (pGlxScreen->pScreen, - width, height, config->rgbBits, 0); - __glXleaveServer(GL_FALSE); - - /* Assign the pixmap the same id as the pbuffer and add it as a - * resource so it and the DRI2 drawable will be reclaimed when the - * pbuffer is destroyed. */ - pPixmap->drawable.id = glxDrawableId; - if (!AddResource(pPixmap->drawable.id, RT_PIXMAP, pPixmap)) - return BadAlloc; - - return DoCreateGLXDrawable(client, pGlxScreen, config, &pPixmap->drawable, - glxDrawableId, glxDrawableId, - GLX_DRAWABLE_PBUFFER); -} - -int __glXDisp_CreatePbuffer(__GLXclientState *cl, GLbyte *pc) -{ - xGLXCreatePbufferReq *req = (xGLXCreatePbufferReq *) pc; - CARD32 *attrs; - int width, height, i; - - attrs = (CARD32 *) (req + 1); - width = 0; - height = 0; - - for (i = 0; i < req->numAttribs; i++) { - switch (attrs[i * 2]) { - case GLX_PBUFFER_WIDTH: - width = attrs[i * 2 + 1]; - break; - case GLX_PBUFFER_HEIGHT: - height = attrs[i * 2 + 1]; - break; - case GLX_LARGEST_PBUFFER: - case GLX_PRESERVED_CONTENTS: - /* FIXME: huh... */ - break; - } - } - - return DoCreatePbuffer(cl->client, req->screen, req->fbconfig, - width, height, req->pbuffer); -} - -int __glXDisp_CreateGLXPbufferSGIX(__GLXclientState *cl, GLbyte *pc) -{ - xGLXCreateGLXPbufferSGIXReq *req = (xGLXCreateGLXPbufferSGIXReq *) pc; - - return DoCreatePbuffer(cl->client, req->screen, req->fbconfig, - req->width, req->height, req->pbuffer); -} - -int __glXDisp_DestroyPbuffer(__GLXclientState *cl, GLbyte *pc) -{ - xGLXDestroyPbufferReq *req = (xGLXDestroyPbufferReq *) pc; - - return DoDestroyDrawable(cl, req->pbuffer, GLX_DRAWABLE_PBUFFER); -} - -int __glXDisp_DestroyGLXPbufferSGIX(__GLXclientState *cl, GLbyte *pc) -{ - xGLXDestroyGLXPbufferSGIXReq *req = (xGLXDestroyGLXPbufferSGIXReq *) pc; - - return DoDestroyDrawable(cl, req->pbuffer, GLX_DRAWABLE_PBUFFER); -} - -static int -DoChangeDrawableAttributes(ClientPtr client, XID glxdrawable, - int numAttribs, CARD32 *attribs) -{ - __GLXdrawable *pGlxDraw; - int i, err; - - if (!validGlxDrawable(client, glxdrawable, GLX_DRAWABLE_ANY, - DixSetAttrAccess, &pGlxDraw, &err)) - return err; - - for (i = 0; i < numAttribs; i++) { - switch(attribs[i * 2]) { - case GLX_EVENT_MASK: - /* All we do is to record the event mask so we can send it - * back when queried. We never actually clobber the - * pbuffers, so we never need to send out the event. */ - pGlxDraw->eventMask = attribs[i * 2 + 1]; - break; - } - } - - return Success; -} - -int __glXDisp_ChangeDrawableAttributes(__GLXclientState *cl, GLbyte *pc) -{ - xGLXChangeDrawableAttributesReq *req = - (xGLXChangeDrawableAttributesReq *) pc; - - return DoChangeDrawableAttributes(cl->client, req->drawable, - req->numAttribs, (CARD32 *) (req + 1)); -} - -int __glXDisp_ChangeDrawableAttributesSGIX(__GLXclientState *cl, GLbyte *pc) -{ - xGLXChangeDrawableAttributesSGIXReq *req = - (xGLXChangeDrawableAttributesSGIXReq *)pc; - - return DoChangeDrawableAttributes(cl->client, req->drawable, - req->numAttribs, (CARD32 *) (req + 1)); -} - -int __glXDisp_CreateWindow(__GLXclientState *cl, GLbyte *pc) -{ - xGLXCreateWindowReq *req = (xGLXCreateWindowReq *) pc; - __GLXconfig *config; - __GLXscreen *pGlxScreen; - ClientPtr client = cl->client; - DrawablePtr pDraw; - int err; - - LEGAL_NEW_RESOURCE(req->glxwindow, client); - - if (!validGlxScreen(client, req->screen, &pGlxScreen, &err)) - return err; - if (!validGlxFBConfig(client, pGlxScreen, req->fbconfig, &config, &err)) - return err; - - err = dixLookupDrawable(&pDraw, req->window, client, 0, DixAddAccess); - if (err != Success || pDraw->type != DRAWABLE_WINDOW) { - client->errorValue = req->window; - return BadWindow; - } - - if (!validGlxFBConfigForWindow(client, config, pDraw, &err)) - return err; - - return DoCreateGLXDrawable(client, pGlxScreen, config, - pDraw, req->window, - req->glxwindow, GLX_DRAWABLE_WINDOW); -} - -int __glXDisp_DestroyWindow(__GLXclientState *cl, GLbyte *pc) -{ - xGLXDestroyWindowReq *req = (xGLXDestroyWindowReq *) pc; - - return DoDestroyDrawable(cl, req->glxwindow, GLX_DRAWABLE_WINDOW); -} - - -/*****************************************************************************/ - -/* -** 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 __glXDisp_SwapBuffers(__GLXclientState *cl, GLbyte *pc) -{ - ClientPtr client = cl->client; - xGLXSwapBuffersReq *req = (xGLXSwapBuffersReq *) pc; - GLXContextTag tag = req->contextTag; - XID drawId = req->drawable; - __GLXcontext *glxc = NULL; - __GLXdrawable *pGlxDraw; - int error; - - if (tag) { - glxc = __glXLookupContextByTag(cl, tag); - if (!glxc) { - return __glXError(GLXBadContextTag); - } - /* - ** The calling thread is swapping its current drawable. In this case, - ** glxSwapBuffers is in both GL and X streams, in terms of - ** sequentiality. - */ - if (__glXForceCurrent(cl, tag, &error)) { - /* - ** Do whatever is needed to make sure that all preceding requests - ** in both streams are completed before the swap is executed. - */ - CALL_Finish( GET_DISPATCH(), () ); - __GLX_NOTE_FLUSHED_CMDS(glxc); - } else { - return error; - } - } - - pGlxDraw = __glXGetDrawable(glxc, drawId, client, &error); - if (pGlxDraw == NULL) - return error; - - if (pGlxDraw->type == DRAWABLE_WINDOW && - (*pGlxDraw->swapBuffers)(cl->client, pGlxDraw) == GL_FALSE) - return __glXError(GLXBadDrawable); - - return Success; -} - - -static int -DoQueryContext(__GLXclientState *cl, GLXContextID gcId) -{ - ClientPtr client = cl->client; - __GLXcontext *ctx; - xGLXQueryContextInfoEXTReply reply; - int nProps; - int *sendBuf, *pSendBuf; - int nReplyBytes; - int err; - - if (!validGlxContext(cl->client, gcId, DixReadAccess, &ctx, &err)) - return err; - - nProps = 3; - reply.length = nProps << 1; - reply.type = X_Reply; - reply.sequenceNumber = client->sequence; - reply.n = nProps; - - nReplyBytes = reply.length << 2; - sendBuf = (int *)malloc((size_t)nReplyBytes); - if (sendBuf == NULL) { - return __glXError(GLXBadContext); /* XXX: Is this correct? */ - } - pSendBuf = sendBuf; - *pSendBuf++ = GLX_SHARE_CONTEXT_EXT; - *pSendBuf++ = (int)(ctx->share_id); - *pSendBuf++ = GLX_VISUAL_ID_EXT; - *pSendBuf++ = (int)(ctx->config->visualID); - *pSendBuf++ = GLX_SCREEN_EXT; - *pSendBuf++ = (int)(ctx->pGlxScreen->pScreen->myNum); - - 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 __glXDisp_QueryContextInfoEXT(__GLXclientState *cl, GLbyte *pc) -{ - xGLXQueryContextInfoEXTReq *req = (xGLXQueryContextInfoEXTReq *) pc; - - return DoQueryContext(cl, req->context); -} - -int __glXDisp_QueryContext(__GLXclientState *cl, GLbyte *pc) -{ - xGLXQueryContextReq *req = (xGLXQueryContextReq *) pc; - - return DoQueryContext(cl, req->context); -} - -int __glXDisp_BindTexImageEXT(__GLXclientState *cl, GLbyte *pc) -{ - xGLXVendorPrivateReq *req = (xGLXVendorPrivateReq *) pc; - ClientPtr client = cl->client; - __GLXcontext *context; - __GLXdrawable *pGlxDraw; - GLXDrawable drawId; - int buffer; - int error; - - pc += __GLX_VENDPRIV_HDR_SIZE; - - drawId = *((CARD32 *) (pc)); - buffer = *((INT32 *) (pc + 4)); - - if (buffer != GLX_FRONT_LEFT_EXT) - return __glXError(GLXBadPixmap); - - context = __glXForceCurrent (cl, req->contextTag, &error); - if (!context) - return error; - - if (!validGlxDrawable(client, drawId, GLX_DRAWABLE_PIXMAP, - DixReadAccess, &pGlxDraw, &error)) - return error; - - if (!context->textureFromPixmap) - return __glXError(GLXUnsupportedPrivateRequest); - - return context->textureFromPixmap->bindTexImage(context, - buffer, - pGlxDraw); -} - -int __glXDisp_ReleaseTexImageEXT(__GLXclientState *cl, GLbyte *pc) -{ - xGLXVendorPrivateReq *req = (xGLXVendorPrivateReq *) pc; - ClientPtr client = cl->client; - __GLXdrawable *pGlxDraw; - __GLXcontext *context; - GLXDrawable drawId; - int buffer; - int error; - - pc += __GLX_VENDPRIV_HDR_SIZE; - - drawId = *((CARD32 *) (pc)); - buffer = *((INT32 *) (pc + 4)); - - context = __glXForceCurrent (cl, req->contextTag, &error); - if (!context) - return error; - - if (!validGlxDrawable(client, drawId, GLX_DRAWABLE_PIXMAP, - DixReadAccess, &pGlxDraw, &error)) - return error; - - if (!context->textureFromPixmap) - return __glXError(GLXUnsupportedPrivateRequest); - - return context->textureFromPixmap->releaseTexImage(context, - buffer, - pGlxDraw); -} - -int __glXDisp_CopySubBufferMESA(__GLXclientState *cl, GLbyte *pc) -{ - xGLXVendorPrivateReq *req = (xGLXVendorPrivateReq *) pc; - GLXContextTag tag = req->contextTag; - __GLXcontext *glxc = NULL; - __GLXdrawable *pGlxDraw; - ClientPtr client = cl->client; - GLXDrawable drawId; - int error; - int x, y, width, height; - - (void) client; - (void) req; - - pc += __GLX_VENDPRIV_HDR_SIZE; - - drawId = *((CARD32 *) (pc)); - x = *((INT32 *) (pc + 4)); - y = *((INT32 *) (pc + 8)); - width = *((INT32 *) (pc + 12)); - height = *((INT32 *) (pc + 16)); - - if (tag) { - glxc = __glXLookupContextByTag(cl, tag); - if (!glxc) { - return __glXError(GLXBadContextTag); - } - /* - ** The calling thread is swapping its current drawable. In this case, - ** glxSwapBuffers is in both GL and X streams, in terms of - ** sequentiality. - */ - if (__glXForceCurrent(cl, tag, &error)) { - /* - ** Do whatever is needed to make sure that all preceding requests - ** in both streams are completed before the swap is executed. - */ - CALL_Finish( GET_DISPATCH(), () ); - __GLX_NOTE_FLUSHED_CMDS(glxc); - } else { - return error; - } - } - - pGlxDraw = __glXGetDrawable(glxc, drawId, client, &error); - if (!pGlxDraw) - return error; - - if (pGlxDraw == NULL || - pGlxDraw->type != GLX_DRAWABLE_WINDOW || - pGlxDraw->copySubBuffer == NULL) - return __glXError(GLXBadDrawable); - - (*pGlxDraw->copySubBuffer)(pGlxDraw, x, y, width, height); - - return Success; -} - -/* -** Get drawable attributes -*/ -static int -DoGetDrawableAttributes(__GLXclientState *cl, XID drawId) -{ - ClientPtr client = cl->client; - xGLXGetDrawableAttributesReply reply; - __GLXdrawable *pGlxDraw; - CARD32 attributes[6]; - int numAttribs, error; - - if (!validGlxDrawable(client, drawId, GLX_DRAWABLE_ANY, - DixGetAttrAccess, &pGlxDraw, &error)) - return error; - - numAttribs = 3; - reply.length = numAttribs << 1; - reply.type = X_Reply; - reply.sequenceNumber = client->sequence; - reply.numAttribs = numAttribs; - - attributes[0] = GLX_TEXTURE_TARGET_EXT; - attributes[1] = pGlxDraw->target == GL_TEXTURE_2D ? GLX_TEXTURE_2D_EXT : - GLX_TEXTURE_RECTANGLE_EXT; - attributes[2] = GLX_Y_INVERTED_EXT; - attributes[3] = GL_FALSE; - attributes[4] = GLX_EVENT_MASK; - attributes[5] = pGlxDraw->eventMask; - - if (client->swapped) { - __glXSwapGetDrawableAttributesReply(client, &reply, attributes); - } else { - WriteToClient(client, sz_xGLXGetDrawableAttributesReply, - (char *)&reply); - WriteToClient(client, reply.length * sizeof (CARD32), - (char *)attributes); - } - - return Success; -} - -int __glXDisp_GetDrawableAttributes(__GLXclientState *cl, GLbyte *pc) -{ - xGLXGetDrawableAttributesReq *req = (xGLXGetDrawableAttributesReq *)pc; - - return DoGetDrawableAttributes(cl, req->drawable); -} - -int __glXDisp_GetDrawableAttributesSGIX(__GLXclientState *cl, GLbyte *pc) -{ - xGLXGetDrawableAttributesSGIXReq *req = - (xGLXGetDrawableAttributesSGIXReq *)pc; - - return DoGetDrawableAttributes(cl, req->drawable); -} - -/************************************************************************/ - -/* -** 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 __glXDisp_Render(__GLXclientState *cl, GLbyte *pc) -{ - xGLXRenderReq *req; - ClientPtr client= cl->client; - int left, cmdlen, error; - int commandsDone; - CARD16 opcode; - __GLXrenderHeader *hdr; - __GLXcontext *glxc; - __GLX_DECLARE_SWAP_VARIABLES; - - req = (xGLXRenderReq *) pc; - if (client->swapped) { - __GLX_SWAP_SHORT(&req->length); - __GLX_SWAP_INT(&req->contextTag); - } - - glxc = __glXForceCurrent(cl, req->contextTag, &error); - if (!glxc) { - return error; - } - - commandsDone = 0; - pc += sz_xGLXRenderReq; - left = (req->length << 2) - sz_xGLXRenderReq; - while (left > 0) { - __GLXrenderSizeData entry; - int extra; - __GLXdispatchRenderProcPtr proc; - int err; - - /* - ** Verify that the header length and the overall length agree. - ** Also, each command must be word aligned. - */ - hdr = (__GLXrenderHeader *) pc; - if (client->swapped) { - __GLX_SWAP_SHORT(&hdr->length); - __GLX_SWAP_SHORT(&hdr->opcode); - } - cmdlen = hdr->length; - opcode = hdr->opcode; - - /* - ** Check for core opcodes and grab entry data. - */ - err = __glXGetProtocolSizeData(& Render_dispatch_info, opcode, & entry); - proc = (__GLXdispatchRenderProcPtr) - __glXGetProtocolDecodeFunction(& Render_dispatch_info, - opcode, client->swapped); - - if ((err < 0) || (proc == NULL)) { - client->errorValue = commandsDone; - return __glXError(GLXBadRenderRequest); - } - - if (entry.varsize) { - /* variable size command */ - extra = (*entry.varsize)(pc + __GLX_RENDER_HDR_SIZE, - client->swapped); - if (extra < 0) { - extra = 0; - } - if (cmdlen != __GLX_PAD(entry.bytes + extra)) { - return BadLength; - } - } else { - /* constant size command */ - if (cmdlen != __GLX_PAD(entry.bytes)) { - return BadLength; - } - } - if (left < cmdlen) { - return BadLength; - } - - /* - ** Skip over the header and execute the command. We allow the - ** caller to trash the command memory. This is useful especially - ** for things that require double alignment - they can just shift - ** the data towards lower memory (trashing the header) by 4 bytes - ** and achieve the required alignment. - */ - (*proc)(pc + __GLX_RENDER_HDR_SIZE); - pc += cmdlen; - left -= cmdlen; - commandsDone++; - } - __GLX_NOTE_UNFLUSHED_CMDS(glxc); - return Success; -} - - -/* -** Execute a large rendering request (one that spans multiple X requests). -*/ -int __glXDisp_RenderLarge(__GLXclientState *cl, GLbyte *pc) -{ - xGLXRenderLargeReq *req; - ClientPtr client= cl->client; - size_t dataBytes; - __GLXrenderLargeHeader *hdr; - __GLXcontext *glxc; - int error; - CARD16 opcode; - __GLX_DECLARE_SWAP_VARIABLES; - - req = (xGLXRenderLargeReq *) pc; - if (client->swapped) { - __GLX_SWAP_SHORT(&req->length); - __GLX_SWAP_INT(&req->contextTag); - __GLX_SWAP_INT(&req->dataBytes); - __GLX_SWAP_SHORT(&req->requestNumber); - __GLX_SWAP_SHORT(&req->requestTotal); - } - - glxc = __glXForceCurrent(cl, req->contextTag, &error); - if (!glxc) { - /* Reset in case this isn't 1st request. */ - __glXResetLargeCommandStatus(cl); - return error; - } - dataBytes = req->dataBytes; - - /* - ** Check the request length. - */ - if ((req->length << 2) != __GLX_PAD(dataBytes) + sz_xGLXRenderLargeReq) { - client->errorValue = req->length; - /* Reset in case this isn't 1st request. */ - __glXResetLargeCommandStatus(cl); - return BadLength; - } - pc += sz_xGLXRenderLargeReq; - - if (cl->largeCmdRequestsSoFar == 0) { - __GLXrenderSizeData entry; - int extra; - size_t cmdlen; - int err; - - /* - ** This is the first request of a multi request command. - ** Make enough space in the buffer, then copy the entire request. - */ - if (req->requestNumber != 1) { - client->errorValue = req->requestNumber; - return __glXError(GLXBadLargeRequest); - } - - hdr = (__GLXrenderLargeHeader *) pc; - if (client->swapped) { - __GLX_SWAP_INT(&hdr->length); - __GLX_SWAP_INT(&hdr->opcode); - } - cmdlen = hdr->length; - opcode = hdr->opcode; - - /* - ** Check for core opcodes and grab entry data. - */ - err = __glXGetProtocolSizeData(& Render_dispatch_info, opcode, & entry); - if (err < 0) { - client->errorValue = opcode; - return __glXError(GLXBadLargeRequest); - } - - if (entry.varsize) { - /* - ** If it's a variable-size command (a command whose length must - ** be computed from its parameters), all the parameters needed - ** will be in the 1st request, so it's okay to do this. - */ - extra = (*entry.varsize)(pc + __GLX_RENDER_LARGE_HDR_SIZE, - client->swapped); - if (extra < 0) { - extra = 0; - } - /* large command's header is 4 bytes longer, so add 4 */ - if (cmdlen != __GLX_PAD(entry.bytes + 4 + extra)) { - return BadLength; - } - } else { - /* constant size command */ - if (cmdlen != __GLX_PAD(entry.bytes + 4)) { - return BadLength; - } - } - /* - ** Make enough space in the buffer, then copy the entire request. - */ - if (cl->largeCmdBufSize < cmdlen) { - if (!cl->largeCmdBuf) { - cl->largeCmdBuf = (GLbyte *) malloc(cmdlen); - } else { - cl->largeCmdBuf = (GLbyte *) realloc(cl->largeCmdBuf, cmdlen); - } - if (!cl->largeCmdBuf) { - return BadAlloc; - } - cl->largeCmdBufSize = cmdlen; - } - memcpy(cl->largeCmdBuf, pc, dataBytes); - - cl->largeCmdBytesSoFar = dataBytes; - cl->largeCmdBytesTotal = cmdlen; - cl->largeCmdRequestsSoFar = 1; - cl->largeCmdRequestsTotal = req->requestTotal; - return Success; - - } else { - /* - ** We are receiving subsequent (i.e. not the first) requests of a - ** multi request command. - */ - - /* - ** Check the request number and the total request count. - */ - if (req->requestNumber != cl->largeCmdRequestsSoFar + 1) { - client->errorValue = req->requestNumber; - __glXResetLargeCommandStatus(cl); - return __glXError(GLXBadLargeRequest); - } - if (req->requestTotal != cl->largeCmdRequestsTotal) { - client->errorValue = req->requestTotal; - __glXResetLargeCommandStatus(cl); - return __glXError(GLXBadLargeRequest); - } - - /* - ** Check that we didn't get too much data. - */ - if ((cl->largeCmdBytesSoFar + dataBytes) > cl->largeCmdBytesTotal) { - client->errorValue = dataBytes; - __glXResetLargeCommandStatus(cl); - return __glXError(GLXBadLargeRequest); - } - memcpy(cl->largeCmdBuf + cl->largeCmdBytesSoFar, pc, dataBytes); - cl->largeCmdBytesSoFar += dataBytes; - cl->largeCmdRequestsSoFar++; - - if (req->requestNumber == cl->largeCmdRequestsTotal) { - __GLXdispatchRenderProcPtr proc; - - /* - ** This is the last request; it must have enough bytes to complete - ** the command. - */ - /* NOTE: the two pad macros have been added below; they are needed - ** because the client library pads the total byte count, but not - ** the per-request byte counts. The Protocol Encoding says the - ** total byte count should not be padded, so a proposal will be - ** made to the ARB to relax the padding constraint on the total - ** byte count, thus preserving backward compatibility. Meanwhile, - ** the padding done below fixes a bug that did not allow - ** large commands of odd sizes to be accepted by the server. - */ - if (__GLX_PAD(cl->largeCmdBytesSoFar) != - __GLX_PAD(cl->largeCmdBytesTotal)) { - client->errorValue = dataBytes; - __glXResetLargeCommandStatus(cl); - return __glXError(GLXBadLargeRequest); - } - hdr = (__GLXrenderLargeHeader *) cl->largeCmdBuf; - /* - ** The opcode and length field in the header had already been - ** swapped when the first request was received. - ** - ** Use the opcode to index into the procedure table. - */ - opcode = hdr->opcode; - - proc = (__GLXdispatchRenderProcPtr) - __glXGetProtocolDecodeFunction(& Render_dispatch_info, opcode, - client->swapped); - if (proc == NULL) { - client->errorValue = opcode; - return __glXError(GLXBadLargeRequest); - } - - /* - ** Skip over the header and execute the command. - */ - (*proc)(cl->largeCmdBuf + __GLX_RENDER_LARGE_HDR_SIZE); - __GLX_NOTE_UNFLUSHED_CMDS(glxc); - - /* - ** Reset for the next RenderLarge series. - */ - __glXResetLargeCommandStatus(cl); - } else { - /* - ** This is neither the first nor the last request. - */ - } - return Success; - } -} - -/************************************************************************/ - -/* -** No support is provided for the vendor-private requests other than -** allocating the entry points in the dispatch table. -*/ - -int __glXDisp_VendorPrivate(__GLXclientState *cl, GLbyte *pc) -{ - xGLXVendorPrivateReq *req = (xGLXVendorPrivateReq *) pc; - GLint vendorcode = req->vendorCode; - __GLXdispatchVendorPrivProcPtr proc; - - - proc = (__GLXdispatchVendorPrivProcPtr) - __glXGetProtocolDecodeFunction(& VendorPriv_dispatch_info, - vendorcode, 0); - if (proc != NULL) { - (*proc)(cl, (GLbyte*)req); - return Success; - } - - cl->client->errorValue = req->vendorCode; - return __glXError(GLXUnsupportedPrivateRequest); -} - -int __glXDisp_VendorPrivateWithReply(__GLXclientState *cl, GLbyte *pc) -{ - xGLXVendorPrivateReq *req = (xGLXVendorPrivateReq *) pc; - GLint vendorcode = req->vendorCode; - __GLXdispatchVendorPrivProcPtr proc; - - - proc = (__GLXdispatchVendorPrivProcPtr) - __glXGetProtocolDecodeFunction(& VendorPriv_dispatch_info, - vendorcode, 0); - if (proc != NULL) { - return (*proc)(cl, (GLbyte*)req); - } - - cl->client->errorValue = vendorcode; - return __glXError(GLXUnsupportedPrivateRequest); -} - -int __glXDisp_QueryExtensionsString(__GLXclientState *cl, GLbyte *pc) -{ - ClientPtr client = cl->client; - xGLXQueryExtensionsStringReq *req = (xGLXQueryExtensionsStringReq *) pc; - xGLXQueryExtensionsStringReply reply; - __GLXscreen *pGlxScreen; - size_t n, length; - char *buf; - int err; - - if (!validGlxScreen(client, req->screen, &pGlxScreen, &err)) - return err; - - n = strlen(pGlxScreen->GLXextensions) + 1; - length = __GLX_PAD(n) >> 2; - reply.type = X_Reply; - reply.sequenceNumber = client->sequence; - reply.length = length; - reply.n = n; - - /* Allocate buffer to make sure it's a multiple of 4 bytes big.*/ - buf = (char *) malloc(length << 2); - if (buf == NULL) - return BadAlloc; - memcpy(buf, pGlxScreen->GLXextensions, n); - - if (client->swapped) { - glxSwapQueryExtensionsStringReply(client, &reply, buf); - } else { - WriteToClient(client, sz_xGLXQueryExtensionsStringReply,(char *)&reply); - WriteToClient(client, (int)(length << 2), (char *)buf); - } - - free(buf); - return Success; -} - -int __glXDisp_QueryServerString(__GLXclientState *cl, GLbyte *pc) -{ - ClientPtr client = cl->client; - xGLXQueryServerStringReq *req = (xGLXQueryServerStringReq *) pc; - xGLXQueryServerStringReply reply; - size_t n, length; - const char *ptr; - char *buf; - __GLXscreen *pGlxScreen; - int err; - char ver_str[16]; - - if (!validGlxScreen(client, req->screen, &pGlxScreen, &err)) - return err; - - switch(req->name) { - case GLX_VENDOR: - ptr = pGlxScreen->GLXvendor; - break; - case GLX_VERSION: - /* Return to the server version rather than the screen version - * to prevent confusion when they do not match. - */ - snprintf(ver_str, 16, "%d.%d", glxMajorVersion, glxMinorVersion); - ptr = ver_str; - break; - case GLX_EXTENSIONS: - ptr = pGlxScreen->GLXextensions; - break; - default: - return BadValue; - } - - n = strlen(ptr) + 1; - length = __GLX_PAD(n) >> 2; - reply.type = X_Reply; - reply.sequenceNumber = client->sequence; - reply.length = length; - reply.n = n; - - buf = (char *) malloc(length << 2); - if (buf == NULL) { - return BadAlloc; - } - memcpy(buf, ptr, n); - - if (client->swapped) { - glxSwapQueryServerStringReply(client, &reply, buf); - } else { - WriteToClient(client, sz_xGLXQueryServerStringReply, (char *)&reply); - WriteToClient(client, (int)(length << 2), buf); - } - - free(buf); - return Success; -} - -int __glXDisp_ClientInfo(__GLXclientState *cl, GLbyte *pc) -{ - xGLXClientInfoReq *req = (xGLXClientInfoReq *) pc; - const char *buf; - - cl->GLClientmajorVersion = req->major; - cl->GLClientminorVersion = req->minor; - free(cl->GLClientextensions); - buf = (const char *)(req+1); - cl->GLClientextensions = strdup(buf); - - 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_DIX_CONFIG_H +#include +#endif + +#include +#include + +#include "glxserver.h" +#include +#include +#include +#include +#include "glxutil.h" +#include "glxext.h" +#include "glapitable.h" +#include "glapi.h" +#include "glthread.h" +#include "dispatch.h" +#include "indirect_dispatch.h" +#include "indirect_table.h" +#include "indirect_util.h" + +static int +validGlxScreen(ClientPtr client, int screen, __GLXscreen **pGlxScreen, int *err) +{ + /* + ** Check if screen exists. + */ + if (screen < 0 || screen >= screenInfo.numScreens) { + client->errorValue = screen; + *err = BadValue; + return FALSE; + } + *pGlxScreen = glxGetScreen(screenInfo.screens[screen]); + + return TRUE; +} + +static int +validGlxFBConfig(ClientPtr client, __GLXscreen *pGlxScreen, XID id, + __GLXconfig **config, int *err) +{ + __GLXconfig *m; + + for (m = pGlxScreen->fbconfigs; m != NULL; m = m->next) + if (m->fbconfigID == id) { + *config = m; + return TRUE; + } + + client->errorValue = id; + *err = __glXError(GLXBadFBConfig); + + return FALSE; +} + +static int +validGlxVisual(ClientPtr client, __GLXscreen *pGlxScreen, XID id, + __GLXconfig **config, int *err) +{ + int i; + + for (i = 0; i < pGlxScreen->numVisuals; i++) + if (pGlxScreen->visuals[i]->visualID == id) { + *config = pGlxScreen->visuals[i]; + return TRUE; + } + + client->errorValue = id; + *err = BadValue; + + return FALSE; +} + +static int +validGlxFBConfigForWindow(ClientPtr client, __GLXconfig *config, + DrawablePtr pDraw, int *err) +{ + ScreenPtr pScreen = pDraw->pScreen; + VisualPtr pVisual = NULL; + XID vid; + int i; + + vid = wVisual((WindowPtr)pDraw); + for (i = 0; i < pScreen->numVisuals; i++) { + if (pScreen->visuals[i].vid == vid) { + pVisual = &pScreen->visuals[i]; + break; + } + } + + /* FIXME: What exactly should we check here... */ + if (pVisual->class != glxConvertToXVisualType(config->visualType) || + !(config->drawableType & GLX_WINDOW_BIT)) { + client->errorValue = pDraw->id; + *err = BadMatch; + return FALSE; + } + + return TRUE; +} + +static int +validGlxContext(ClientPtr client, XID id, int access_mode, + __GLXcontext **context, int *err) +{ + *err = dixLookupResourceByType((pointer *) context, id, + __glXContextRes, client, access_mode); + if (*err != Success) { + client->errorValue = id; + if (*err == BadValue) + *err = __glXError(GLXBadContext); + return FALSE; + } + + return TRUE; +} + +static int +validGlxDrawable(ClientPtr client, XID id, int type, int access_mode, + __GLXdrawable **drawable, int *err) +{ + int rc; + + rc = dixLookupResourceByType((pointer *) drawable, id, + __glXDrawableRes, client, access_mode); + if (rc != Success && rc != BadValue) { + *err = rc; + client->errorValue = id; + return FALSE; + } + + /* If the ID of the glx drawable we looked up doesn't match the id + * we looked for, it's because we looked it up under the X + * drawable ID (see DoCreateGLXDrawable). */ + if (rc == BadValue || + (*drawable)->drawId != id || + (type != GLX_DRAWABLE_ANY && type != (*drawable)->type)) { + client->errorValue = id; + switch (type) { + case GLX_DRAWABLE_WINDOW: + *err = __glXError(GLXBadWindow); + return FALSE; + case GLX_DRAWABLE_PIXMAP: + *err = __glXError(GLXBadPixmap); + return FALSE; + case GLX_DRAWABLE_PBUFFER: + *err = __glXError(GLXBadPbuffer); + return FALSE; + case GLX_DRAWABLE_ANY: + *err = __glXError(GLXBadDrawable); + return FALSE; + } + } + + return TRUE; +} + +void +__glXContextDestroy(__GLXcontext *context) +{ + __glXFlushContextCache(); +} + +static void __glXdirectContextDestroy(__GLXcontext *context) +{ + __glXContextDestroy(context); + free(context); +} + +static __GLXcontext *__glXdirectContextCreate(__GLXscreen *screen, + __GLXconfig *modes, + __GLXcontext *shareContext) +{ + __GLXcontext *context; + + context = calloc(1, sizeof (__GLXcontext)); + if (context == NULL) + return NULL; + + context->destroy = __glXdirectContextDestroy; + + return context; +} + +/** + * Create a GL context with the given properties. This routine is used + * to implement \c glXCreateContext, \c glXCreateNewContext, and + * \c glXCreateContextWithConfigSGIX. This works becuase of the hack way + * that GLXFBConfigs are implemented. Basically, the FBConfigID is the + * same as the VisualID. + */ + +static int +DoCreateContext(__GLXclientState *cl, GLXContextID gcId, + GLXContextID shareList, __GLXconfig *config, + __GLXscreen *pGlxScreen, GLboolean isDirect) +{ + ClientPtr client = cl->client; + __GLXcontext *glxc, *shareglxc; + int err; + + LEGAL_NEW_RESOURCE(gcId, client); + + /* + ** Find the display list space that we want to share. + ** + ** NOTE: In a multithreaded X server, we would need to keep a reference + ** count for each display list so that if one client detroyed a list that + ** another client was using, the list would not really be freed until it + ** was no longer in use. Since this sample implementation has no support + ** for multithreaded servers, we don't do this. + */ + if (shareList == None) { + shareglxc = 0; + } else { + if (!validGlxContext(client, shareList, DixReadAccess, + &shareglxc, &err)) + return err; + + if (shareglxc->isDirect) { + /* + ** NOTE: no support for sharing display lists between direct + ** contexts, even if they are in the same address space. + */ +#if 0 + /* Disabling this code seems to allow shared display lists + * and texture objects to work. We'll leave it disabled for now. + */ + client->errorValue = shareList; + return BadMatch; +#endif + } else { + /* + ** Create an indirect context regardless of what the client asked + ** for; this way we can share display list space with shareList. + */ + isDirect = GL_FALSE; + } + } + + /* + ** Allocate memory for the new context + */ + if (!isDirect) + glxc = pGlxScreen->createContext(pGlxScreen, config, shareglxc); + else + glxc = __glXdirectContextCreate(pGlxScreen, config, shareglxc); + if (!glxc) { + return BadAlloc; + } + + /* + ** Initially, setup the part of the context that could be used by + ** a GL core that needs windowing information (e.g., Mesa). + */ + glxc->pGlxScreen = pGlxScreen; + glxc->config = config; + + /* + ** Register this context as a resource. + */ + if (!AddResource(gcId, __glXContextRes, (pointer)glxc)) { + (*glxc->destroy)(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; + glxc->isDirect = isDirect; + glxc->renderMode = GL_RENDER; + + __glXAddToContextList(glxc); + + return Success; +} + +int __glXDisp_CreateContext(__GLXclientState *cl, GLbyte *pc) +{ + ClientPtr client = cl->client; + xGLXCreateContextReq *req = (xGLXCreateContextReq *) pc; + __GLXconfig *config; + __GLXscreen *pGlxScreen; + int err; + + REQUEST_SIZE_MATCH(xGLXCreateContextReq); + + if (!validGlxScreen(cl->client, req->screen, &pGlxScreen, &err)) + return err; + if (!validGlxVisual(cl->client, pGlxScreen, req->visual, &config, &err)) + return err; + + return DoCreateContext(cl, req->context, req->shareList, + config, pGlxScreen, req->isDirect); +} + +int __glXDisp_CreateNewContext(__GLXclientState *cl, GLbyte *pc) +{ + ClientPtr client = cl->client; + xGLXCreateNewContextReq *req = (xGLXCreateNewContextReq *) pc; + __GLXconfig *config; + __GLXscreen *pGlxScreen; + int err; + + REQUEST_SIZE_MATCH(xGLXCreateNewContextReq); + + if (!validGlxScreen(cl->client, req->screen, &pGlxScreen, &err)) + return err; + if (!validGlxFBConfig(cl->client, pGlxScreen, req->fbconfig, &config, &err)) + return err; + + return DoCreateContext(cl, req->context, req->shareList, + config, pGlxScreen, req->isDirect); +} + +int __glXDisp_CreateContextWithConfigSGIX(__GLXclientState *cl, GLbyte *pc) +{ + ClientPtr client = cl->client; + xGLXCreateContextWithConfigSGIXReq *req = + (xGLXCreateContextWithConfigSGIXReq *) pc; + __GLXconfig *config; + __GLXscreen *pGlxScreen; + int err; + + REQUEST_SIZE_MATCH(xGLXCreateContextWithConfigSGIXReq); + + if (!validGlxScreen(cl->client, req->screen, &pGlxScreen, &err)) + return err; + if (!validGlxFBConfig(cl->client, pGlxScreen, req->fbconfig, &config, &err)) + return err; + + return DoCreateContext(cl, req->context, req->shareList, + config, pGlxScreen, req->isDirect); +} +int __glXDisp_DestroyContext(__GLXclientState *cl, GLbyte *pc) +{ + ClientPtr client = cl->client; + xGLXDestroyContextReq *req = (xGLXDestroyContextReq *) pc; + __GLXcontext *glxc; + int err; + + REQUEST_SIZE_MATCH(xGLXDestroyContextReq); + + if (!validGlxContext(cl->client, req->context, DixDestroyAccess, + &glxc, &err)) + return err; + + FreeResourceByType(req->context, __glXContextRes, FALSE); + 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) +{ + int i; + int num = cl->numCurrentContexts; + __GLXcontext **table = cl->currentContexts; + + if (!glxc) return -1; + + /* + ** Try to find an empty slot and use it. + */ + for (i=0; i < num; i++) { + if (!table[i]) { + table[i] = glxc; + return i+1; + } + } + /* + ** Didn't find a free slot, so we'll have to grow the table. + */ + if (!num) { + table = (__GLXcontext **) malloc(sizeof(__GLXcontext *)); + } else { + table = (__GLXcontext **) realloc(table, + (num+1)*sizeof(__GLXcontext *)); + } + table[num] = glxc; + cl->currentContexts = table; + cl->numCurrentContexts++; + 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; +} + +/* +** 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]; + } +} + +/*****************************************************************************/ + +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; + __glXLastContext = glxc; +} + +/** + * This is a helper function to handle the legacy (pre GLX 1.3) cases + * where passing an X window to glXMakeCurrent is valid. Given a + * resource ID, look up the GLX drawable if available, otherwise, make + * sure it's an X window and create a GLX drawable one the fly. + */ +static __GLXdrawable * +__glXGetDrawable(__GLXcontext *glxc, GLXDrawable drawId, ClientPtr client, + int *error) +{ + DrawablePtr pDraw; + __GLXdrawable *pGlxDraw; + int rc; + + if (validGlxDrawable(client, drawId, GLX_DRAWABLE_ANY, + DixWriteAccess, &pGlxDraw, &rc)) { + if (glxc != NULL && pGlxDraw->config != glxc->config) { + client->errorValue = drawId; + *error = BadMatch; + return NULL; + } + + return pGlxDraw; + } + + /* No active context and an unknown drawable, bail. */ + if (glxc == NULL) { + client->errorValue = drawId; + *error = BadMatch; + return NULL; + } + + /* The drawId wasn't a GLX drawable. Make sure it's a window and + * create a GLXWindow for it. Check that the drawable screen + * matches the context screen and that the context fbconfig is + * compatible with the window visual. */ + + rc = dixLookupDrawable(&pDraw, drawId, client, 0, DixGetAttrAccess); + if (rc != Success || pDraw->type != DRAWABLE_WINDOW) { + client->errorValue = drawId; + *error = __glXError(GLXBadDrawable); + return NULL; + } + + if (pDraw->pScreen != glxc->pGlxScreen->pScreen) { + client->errorValue = pDraw->pScreen->myNum; + *error = BadMatch; + return NULL; + } + + if (!validGlxFBConfigForWindow(client, glxc->config, pDraw, error)) + return NULL; + + pGlxDraw = glxc->pGlxScreen->createDrawable(client, glxc->pGlxScreen, + pDraw, drawId, + GLX_DRAWABLE_WINDOW, + drawId, glxc->config); + + /* since we are creating the drawablePrivate, drawId should be new */ + if (!AddResource(drawId, __glXDrawableRes, pGlxDraw)) { + pGlxDraw->destroy (pGlxDraw); + *error = BadAlloc; + return NULL; + } + + return pGlxDraw; +} + +/*****************************************************************************/ +/* +** Make an OpenGL context and drawable current. +*/ + +static int +DoMakeCurrent(__GLXclientState *cl, + GLXDrawable drawId, GLXDrawable readId, + GLXContextID contextId, GLXContextTag tag) +{ + ClientPtr client = cl->client; + xGLXMakeCurrentReply reply; + __GLXcontext *glxc, *prevglxc; + __GLXdrawable *drawPriv = NULL; + __GLXdrawable *readPriv = NULL; + int error; + GLuint mask; + + /* + ** If one is None and the other isn't, it's a bad match. + */ + + mask = (drawId == None) ? (1 << 0) : 0; + mask |= (readId == None) ? (1 << 1) : 0; + mask |= (contextId == None) ? (1 << 2) : 0; + + if ( (mask != 0x00) && (mask != 0x07) ) { + 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 __glXError(GLXBadContextTag); + } + if (prevglxc->renderMode != GL_RENDER) { + /* Oops. Not in render mode render. */ + client->errorValue = prevglxc->id; + return __glXError(GLXBadContextState); + } + } else { + prevglxc = 0; + } + + /* + ** Lookup new context. It must not be current for someone else. + */ + if (contextId != None) { + int status; + + if (!validGlxContext(client, contextId, DixUseAccess, &glxc, &error)) + return error; + if ((glxc != prevglxc) && glxc->isCurrent) { + /* Context is current to somebody else */ + return BadAccess; + } + + assert( drawId != None ); + assert( readId != None ); + + drawPriv = __glXGetDrawable(glxc, drawId, client, &status); + if (drawPriv == NULL) + return status; + + readPriv = __glXGetDrawable(glxc, readId, client, &status); + if (readPriv == NULL) + return status; + + } else { + /* Switching to no context. Ignore new drawable. */ + glxc = 0; + drawPriv = 0; + readPriv = 0; + } + + + if (prevglxc) { + /* + ** Flush the previous context if needed. + */ + if (__GLX_HAS_UNFLUSHED_CMDS(prevglxc)) { + if (__glXForceCurrent(cl, tag, (int *)&error)) { + CALL_Flush( GET_DISPATCH(), () ); + __GLX_NOTE_FLUSHED_CMDS(prevglxc); + } else { + return error; + } + } + + /* + ** Make the previous context not current. + */ + if (!(*prevglxc->loseCurrent)(prevglxc)) { + return __glXError(GLXBadContext); + } + __glXFlushContextCache(); + if (!prevglxc->isDirect) { + prevglxc->drawPriv = NULL; + prevglxc->readPriv = NULL; + } + } + + + if ((glxc != 0) && !glxc->isDirect) { + + glxc->drawPriv = drawPriv; + glxc->readPriv = readPriv; + + /* make the context current */ + if (!(*glxc->makeCurrent)(glxc)) { + glxc->drawPriv = NULL; + glxc->readPriv = NULL; + return __glXError(GLXBadContext); + } + + glxc->isCurrent = GL_TRUE; + } + + if (prevglxc) { + ChangeCurrentContext(cl, glxc, tag); + StopUsingContext(prevglxc); + } else { + tag = AddCurrentContext(cl, glxc); + } + + if (glxc) { + StartUsingContext(cl, glxc); + reply.contextTag = tag; + } else { + reply.contextTag = 0; + } + + reply.length = 0; + reply.type = X_Reply; + reply.sequenceNumber = client->sequence; + + if (client->swapped) { + __glXSwapMakeCurrentReply(client, &reply); + } else { + WriteToClient(client, sz_xGLXMakeCurrentReply, (char *)&reply); + } + return Success; +} + +int __glXDisp_MakeCurrent(__GLXclientState *cl, GLbyte *pc) +{ + ClientPtr client = cl->client; + xGLXMakeCurrentReq *req = (xGLXMakeCurrentReq *) pc; + + REQUEST_SIZE_MATCH(xGLXMakeCurrentReq); + + return DoMakeCurrent( cl, req->drawable, req->drawable, + req->context, req->oldContextTag ); +} + +int __glXDisp_MakeContextCurrent(__GLXclientState *cl, GLbyte *pc) +{ + ClientPtr client = cl->client; + xGLXMakeContextCurrentReq *req = (xGLXMakeContextCurrentReq *) pc; + + REQUEST_SIZE_MATCH(xGLXMakeContextCurrentReq); + + return DoMakeCurrent( cl, req->drawable, req->readdrawable, + req->context, req->oldContextTag ); +} + +int __glXDisp_MakeCurrentReadSGI(__GLXclientState *cl, GLbyte *pc) +{ + ClientPtr client = cl->client; + xGLXMakeCurrentReadSGIReq *req = (xGLXMakeCurrentReadSGIReq *) pc; + + REQUEST_SIZE_MATCH(xGLXMakeCurrentReadSGIReq); + + return DoMakeCurrent( cl, req->drawable, req->readable, + req->context, req->oldContextTag ); +} + +int __glXDisp_IsDirect(__GLXclientState *cl, GLbyte *pc) +{ + ClientPtr client = cl->client; + xGLXIsDirectReq *req = (xGLXIsDirectReq *) pc; + xGLXIsDirectReply reply; + __GLXcontext *glxc; + int err; + + REQUEST_SIZE_MATCH(xGLXIsDirectReq); + + if (!validGlxContext(cl->client, req->context, DixReadAccess, &glxc, &err)) + return err; + + reply.isDirect = glxc->isDirect; + 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 __glXDisp_QueryVersion(__GLXclientState *cl, GLbyte *pc) +{ + ClientPtr client = cl->client; + xGLXQueryVersionReq *req = (xGLXQueryVersionReq *) pc; + xGLXQueryVersionReply reply; + GLuint major, minor; + + REQUEST_SIZE_MATCH(xGLXQueryVersionReq); + + major = req->majorVersion; + minor = req->minorVersion; + (void)major; + (void)minor; + + /* + ** 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 = glxMajorVersion; + reply.minorVersion = glxMinorVersion; + 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 __glXDisp_WaitGL(__GLXclientState *cl, GLbyte *pc) +{ + ClientPtr client = cl->client; + xGLXWaitGLReq *req = (xGLXWaitGLReq *)pc; + GLXContextTag tag; + __GLXcontext *glxc = NULL; + int error; + + REQUEST_SIZE_MATCH(xGLXWaitGLReq); + + tag = req->contextTag; + if (tag) { + glxc = __glXLookupContextByTag(cl, tag); + if (!glxc) + return __glXError(GLXBadContextTag); + + if (!__glXForceCurrent(cl, req->contextTag, &error)) + return error; + + CALL_Finish( GET_DISPATCH(), () ); + } + + if (glxc && glxc->drawPriv->waitGL) + (*glxc->drawPriv->waitGL)(glxc->drawPriv); + + return Success; +} + +int __glXDisp_WaitX(__GLXclientState *cl, GLbyte *pc) +{ + ClientPtr client = cl->client; + xGLXWaitXReq *req = (xGLXWaitXReq *)pc; + GLXContextTag tag; + __GLXcontext *glxc = NULL; + int error; + + REQUEST_SIZE_MATCH(xGLXWaitXReq); + + tag = req->contextTag; + if (tag) { + glxc = __glXLookupContextByTag(cl, tag); + if (!glxc) + return __glXError(GLXBadContextTag); + + if (!__glXForceCurrent(cl, req->contextTag, &error)) + return error; + } + + if (glxc && glxc->drawPriv->waitX) + (*glxc->drawPriv->waitX)(glxc->drawPriv); + + return Success; +} + +int __glXDisp_CopyContext(__GLXclientState *cl, GLbyte *pc) +{ + ClientPtr client = cl->client; + xGLXCopyContextReq *req = (xGLXCopyContextReq *) pc; + GLXContextID source; + GLXContextID dest; + GLXContextTag tag; + unsigned long mask; + __GLXcontext *src, *dst; + int error; + + REQUEST_SIZE_MATCH(xGLXCopyContextReq); + + source = req->source; + dest = req->dest; + tag = req->contextTag; + mask = req->mask; + if (!validGlxContext(cl->client, source, DixReadAccess, &src, &error)) + return error; + if (!validGlxContext(cl->client, dest, DixWriteAccess, &dst, &error)) + return error; + + /* + ** They must be in the same address space, and same screen. + ** NOTE: no support for direct rendering contexts here. + */ + if (src->isDirect || dst->isDirect || + (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 __glXError(GLXBadContextTag); + } + if (tagcx != src) { + /* + ** This would be caused by a faulty implementation of the client + ** library. + */ + return BadMatch; + } + /* + ** In this case, glXCopyContext is in both GL and X streams, in terms + ** of sequentiality. + */ + if (__glXForceCurrent(cl, tag, &error)) { + /* + ** Do whatever is needed to make sure that all preceding requests + ** in both streams are completed before the copy is executed. + */ + CALL_Finish( GET_DISPATCH(), () ); + __GLX_NOTE_FLUSHED_CMDS(tagcx); + } else { + return error; + } + } + /* + ** Issue copy. The only reason for failure is a bad mask. + */ + if (!(*dst->copy)(dst, src, mask)) { + client->errorValue = mask; + return BadValue; + } + return Success; +} + +enum { + GLX_VIS_CONFIG_UNPAIRED = 18, + GLX_VIS_CONFIG_PAIRED = 20 +}; + +enum { + GLX_VIS_CONFIG_TOTAL = GLX_VIS_CONFIG_UNPAIRED + GLX_VIS_CONFIG_PAIRED +}; + +int __glXDisp_GetVisualConfigs(__GLXclientState *cl, GLbyte *pc) +{ + xGLXGetVisualConfigsReq *req = (xGLXGetVisualConfigsReq *) pc; + ClientPtr client = cl->client; + xGLXGetVisualConfigsReply reply; + __GLXscreen *pGlxScreen; + __GLXconfig *modes; + CARD32 buf[GLX_VIS_CONFIG_TOTAL]; + int p, i, err; + __GLX_DECLARE_SWAP_VARIABLES; + __GLX_DECLARE_SWAP_ARRAY_VARIABLES; + + REQUEST_SIZE_MATCH(xGLXGetVisualConfigsReq); + + if (!validGlxScreen(cl->client, req->screen, &pGlxScreen, &err)) + return err; + + reply.numVisuals = pGlxScreen->numVisuals; + reply.numProps = GLX_VIS_CONFIG_TOTAL; + reply.length = (reply.numVisuals * __GLX_SIZE_CARD32 * GLX_VIS_CONFIG_TOTAL) >> 2; + reply.type = X_Reply; + reply.sequenceNumber = client->sequence; + + if (client->swapped) { + __GLX_SWAP_SHORT(&reply.sequenceNumber); + __GLX_SWAP_INT(&reply.length); + __GLX_SWAP_INT(&reply.numVisuals); + __GLX_SWAP_INT(&reply.numProps); + } + + WriteToClient(client, sz_xGLXGetVisualConfigsReply, (char *)&reply); + + for (i = 0; i < pGlxScreen->numVisuals; i++) { + modes = pGlxScreen->visuals[i]; + + p = 0; + buf[p++] = modes->visualID; + buf[p++] = glxConvertToXVisualType( modes->visualType ); + buf[p++] = (modes->renderType & GLX_RGBA_BIT) ? GL_TRUE : GL_FALSE; + + buf[p++] = modes->redBits; + buf[p++] = modes->greenBits; + buf[p++] = modes->blueBits; + buf[p++] = modes->alphaBits; + buf[p++] = modes->accumRedBits; + buf[p++] = modes->accumGreenBits; + buf[p++] = modes->accumBlueBits; + buf[p++] = modes->accumAlphaBits; + + buf[p++] = modes->doubleBufferMode; + buf[p++] = modes->stereoMode; + + buf[p++] = modes->rgbBits; + buf[p++] = modes->depthBits; + buf[p++] = modes->stencilBits; + buf[p++] = modes->numAuxBuffers; + buf[p++] = modes->level; + + assert(p == GLX_VIS_CONFIG_UNPAIRED); + /* + ** Add token/value pairs for extensions. + */ + buf[p++] = GLX_VISUAL_CAVEAT_EXT; + buf[p++] = modes->visualRating; + buf[p++] = GLX_TRANSPARENT_TYPE; + buf[p++] = modes->transparentPixel; + buf[p++] = GLX_TRANSPARENT_RED_VALUE; + buf[p++] = modes->transparentRed; + buf[p++] = GLX_TRANSPARENT_GREEN_VALUE; + buf[p++] = modes->transparentGreen; + buf[p++] = GLX_TRANSPARENT_BLUE_VALUE; + buf[p++] = modes->transparentBlue; + buf[p++] = GLX_TRANSPARENT_ALPHA_VALUE; + buf[p++] = modes->transparentAlpha; + buf[p++] = GLX_TRANSPARENT_INDEX_VALUE; + buf[p++] = modes->transparentIndex; + buf[p++] = GLX_SAMPLES_SGIS; + buf[p++] = modes->samples; + buf[p++] = GLX_SAMPLE_BUFFERS_SGIS; + buf[p++] = modes->sampleBuffers; + buf[p++] = 0; /* copy over visualSelectGroup (GLX_VISUAL_SELECT_GROUP_SGIX)? */ + buf[p++] = 0; + + assert(p == GLX_VIS_CONFIG_TOTAL); + if (client->swapped) { + __GLX_SWAP_INT_ARRAY(buf, p); + } + WriteToClient(client, __GLX_SIZE_CARD32 * p, (char *)buf); + } + return Success; +} + +#define __GLX_TOTAL_FBCONFIG_ATTRIBS (36) +#define __GLX_FBCONFIG_ATTRIBS_LENGTH (__GLX_TOTAL_FBCONFIG_ATTRIBS * 2) +/** + * Send the set of GLXFBConfigs to the client. There is not currently + * and interface into the driver on the server-side to get GLXFBConfigs, + * so we "invent" some based on the \c __GLXvisualConfig structures that + * the driver does supply. + * + * The reply format for both \c glXGetFBConfigs and \c glXGetFBConfigsSGIX + * is the same, so this routine pulls double duty. + */ + +static int +DoGetFBConfigs(__GLXclientState *cl, unsigned screen) +{ + ClientPtr client = cl->client; + xGLXGetFBConfigsReply reply; + __GLXscreen *pGlxScreen; + CARD32 buf[__GLX_FBCONFIG_ATTRIBS_LENGTH]; + int p, err; + __GLXconfig *modes; + __GLX_DECLARE_SWAP_VARIABLES; + __GLX_DECLARE_SWAP_ARRAY_VARIABLES; + + if (!validGlxScreen(cl->client, screen, &pGlxScreen, &err)) + return err; + + reply.numFBConfigs = pGlxScreen->numFBConfigs; + reply.numAttribs = __GLX_TOTAL_FBCONFIG_ATTRIBS; + reply.length = (__GLX_FBCONFIG_ATTRIBS_LENGTH * reply.numFBConfigs); + reply.type = X_Reply; + reply.sequenceNumber = client->sequence; + + if (client->swapped) { + __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 (modes = pGlxScreen->fbconfigs; modes != NULL; modes = modes->next) { + p = 0; + +#define WRITE_PAIR(tag,value) \ + do { buf[p++] = tag ; buf[p++] = value ; } while( 0 ) + + WRITE_PAIR( GLX_VISUAL_ID, modes->visualID ); + WRITE_PAIR( GLX_FBCONFIG_ID, modes->fbconfigID ); + WRITE_PAIR( GLX_X_RENDERABLE, GL_TRUE ); + + WRITE_PAIR( GLX_RGBA, + (modes->renderType & GLX_RGBA_BIT) ? GL_TRUE : GL_FALSE ); + WRITE_PAIR( GLX_RENDER_TYPE, modes->renderType ); + WRITE_PAIR( GLX_DOUBLEBUFFER, modes->doubleBufferMode ); + WRITE_PAIR( GLX_STEREO, modes->stereoMode ); + + WRITE_PAIR( GLX_BUFFER_SIZE, modes->rgbBits ); + WRITE_PAIR( GLX_LEVEL, modes->level ); + WRITE_PAIR( GLX_AUX_BUFFERS, modes->numAuxBuffers ); + WRITE_PAIR( GLX_RED_SIZE, modes->redBits ); + WRITE_PAIR( GLX_GREEN_SIZE, modes->greenBits ); + WRITE_PAIR( GLX_BLUE_SIZE, modes->blueBits ); + WRITE_PAIR( GLX_ALPHA_SIZE, modes->alphaBits ); + WRITE_PAIR( GLX_ACCUM_RED_SIZE, modes->accumRedBits ); + WRITE_PAIR( GLX_ACCUM_GREEN_SIZE, modes->accumGreenBits ); + WRITE_PAIR( GLX_ACCUM_BLUE_SIZE, modes->accumBlueBits ); + WRITE_PAIR( GLX_ACCUM_ALPHA_SIZE, modes->accumAlphaBits ); + WRITE_PAIR( GLX_DEPTH_SIZE, modes->depthBits ); + WRITE_PAIR( GLX_STENCIL_SIZE, modes->stencilBits ); + WRITE_PAIR( GLX_X_VISUAL_TYPE, modes->visualType ); + WRITE_PAIR( GLX_CONFIG_CAVEAT, modes->visualRating ); + WRITE_PAIR( GLX_TRANSPARENT_TYPE, modes->transparentPixel ); + WRITE_PAIR( GLX_TRANSPARENT_RED_VALUE, modes->transparentRed ); + WRITE_PAIR( GLX_TRANSPARENT_GREEN_VALUE, modes->transparentGreen ); + WRITE_PAIR( GLX_TRANSPARENT_BLUE_VALUE, modes->transparentBlue ); + WRITE_PAIR( GLX_TRANSPARENT_ALPHA_VALUE, modes->transparentAlpha ); + WRITE_PAIR( GLX_TRANSPARENT_INDEX_VALUE, modes->transparentIndex ); + WRITE_PAIR( GLX_SWAP_METHOD_OML, modes->swapMethod ); + WRITE_PAIR( GLX_SAMPLES_SGIS, modes->samples ); + WRITE_PAIR( GLX_SAMPLE_BUFFERS_SGIS, modes->sampleBuffers ); + /* GLX_VISUAL_SELECT_GROUP_SGIX ? */ + WRITE_PAIR( GLX_DRAWABLE_TYPE, modes->drawableType ); + WRITE_PAIR( GLX_BIND_TO_TEXTURE_RGB_EXT, modes->bindToTextureRgb ); + WRITE_PAIR( GLX_BIND_TO_TEXTURE_RGBA_EXT, modes->bindToTextureRgba ); + WRITE_PAIR( GLX_BIND_TO_MIPMAP_TEXTURE_EXT, modes->bindToMipmapTexture ); + WRITE_PAIR( GLX_BIND_TO_TEXTURE_TARGETS_EXT, modes->bindToTextureTargets ); + + if (client->swapped) { + __GLX_SWAP_INT_ARRAY(buf, __GLX_FBCONFIG_ATTRIBS_LENGTH); + } + WriteToClient(client, __GLX_SIZE_CARD32 * __GLX_FBCONFIG_ATTRIBS_LENGTH, + (char *)buf); + } + return Success; +} + + +int __glXDisp_GetFBConfigs(__GLXclientState *cl, GLbyte *pc) +{ + ClientPtr client = cl->client; + xGLXGetFBConfigsReq *req = (xGLXGetFBConfigsReq *) pc; + REQUEST_SIZE_MATCH(xGLXGetFBConfigsReq); + return DoGetFBConfigs(cl, req->screen); +} + +int __glXDisp_GetFBConfigsSGIX(__GLXclientState *cl, GLbyte *pc) +{ + ClientPtr client = cl->client; + xGLXGetFBConfigsSGIXReq *req = (xGLXGetFBConfigsSGIXReq *) pc; + REQUEST_SIZE_MATCH(xGLXGetFBConfigsSGIXReq); + return DoGetFBConfigs(cl, req->screen); +} + +GLboolean +__glXDrawableInit(__GLXdrawable *drawable, + __GLXscreen *screen, DrawablePtr pDraw, int type, + XID drawId, __GLXconfig *config) +{ + drawable->pDraw = pDraw; + drawable->type = type; + drawable->drawId = drawId; + drawable->config = config; + drawable->eventMask = 0; + + return GL_TRUE; +} + +void +__glXDrawableRelease(__GLXdrawable *drawable) +{ +} + +static int +DoCreateGLXDrawable(ClientPtr client, __GLXscreen *pGlxScreen, + __GLXconfig *config, DrawablePtr pDraw, XID drawableId, + XID glxDrawableId, int type) +{ + __GLXdrawable *pGlxDraw; + + if (pGlxScreen->pScreen != pDraw->pScreen) + return BadMatch; + + pGlxDraw = pGlxScreen->createDrawable(client, pGlxScreen, pDraw, + drawableId, type, + glxDrawableId, config); + if (pGlxDraw == NULL) + return BadAlloc; + + if (!AddResource(glxDrawableId, __glXDrawableRes, pGlxDraw)) { + pGlxDraw->destroy (pGlxDraw); + return BadAlloc; + } + + /* Add the glx drawable under the XID of the underlying X drawable + * too. That way we'll get a callback in DrawableGone and can + * clean up properly when the drawable is destroyed. */ + if (drawableId != glxDrawableId && + !AddResource(pDraw->id, __glXDrawableRes, pGlxDraw)) { + pGlxDraw->destroy (pGlxDraw); + return BadAlloc; + } + + return Success; +} + +static int +DoCreateGLXPixmap(ClientPtr client, __GLXscreen *pGlxScreen, __GLXconfig *config, + XID drawableId, XID glxDrawableId) +{ + DrawablePtr pDraw; + int err; + + LEGAL_NEW_RESOURCE(glxDrawableId, client); + + err = dixLookupDrawable(&pDraw, drawableId, client, 0, DixAddAccess); + if (err != Success) { + client->errorValue = drawableId; + return err; + } + if (pDraw->type != DRAWABLE_PIXMAP) { + client->errorValue = drawableId; + return BadPixmap; + } + + err = DoCreateGLXDrawable(client, pGlxScreen, config, pDraw, drawableId, + glxDrawableId, GLX_DRAWABLE_PIXMAP); + + return err; +} + +static void +determineTextureTarget(ClientPtr client, XID glxDrawableID, + CARD32 *attribs, CARD32 numAttribs) +{ + GLenum target = 0; + GLenum format = 0; + int i, err; + __GLXdrawable *pGlxDraw; + + if (!validGlxDrawable(client, glxDrawableID, GLX_DRAWABLE_PIXMAP, + DixWriteAccess, &pGlxDraw, &err)) + /* We just added it in CreatePixmap, so we should never get here. */ + return; + + for (i = 0; i < numAttribs; i++) { + if (attribs[2 * i] == GLX_TEXTURE_TARGET_EXT) { + switch (attribs[2 * i + 1]) { + case GLX_TEXTURE_2D_EXT: + target = GL_TEXTURE_2D; + break; + case GLX_TEXTURE_RECTANGLE_EXT: + target = GL_TEXTURE_RECTANGLE_ARB; + break; + } + } + + if (attribs[2 * i] == GLX_TEXTURE_FORMAT_EXT) + format = attribs[2 * i + 1]; + } + + if (!target) { + int w = pGlxDraw->pDraw->width, h = pGlxDraw->pDraw->height; + + if (h & (h - 1) || w & (w - 1)) + target = GL_TEXTURE_RECTANGLE_ARB; + else + target = GL_TEXTURE_2D; + } + + pGlxDraw->target = target; + pGlxDraw->format = format; +} + +int __glXDisp_CreateGLXPixmap(__GLXclientState *cl, GLbyte *pc) +{ + ClientPtr client = cl->client; + xGLXCreateGLXPixmapReq *req = (xGLXCreateGLXPixmapReq *) pc; + __GLXconfig *config; + __GLXscreen *pGlxScreen; + int err; + + REQUEST_SIZE_MATCH(xGLXCreateGLXPixmapReq); + + if (!validGlxScreen(cl->client, req->screen, &pGlxScreen, &err)) + return err; + if (!validGlxVisual(cl->client, pGlxScreen, req->visual, &config, &err)) + return err; + + return DoCreateGLXPixmap(cl->client, pGlxScreen, config, + req->pixmap, req->glxpixmap); +} + +int __glXDisp_CreatePixmap(__GLXclientState *cl, GLbyte *pc) +{ + ClientPtr client = cl->client; + xGLXCreatePixmapReq *req = (xGLXCreatePixmapReq *) pc; + __GLXconfig *config; + __GLXscreen *pGlxScreen; + int err; + + REQUEST_AT_LEAST_SIZE(xGLXCreatePixmapReq); + if (req->numAttribs > (UINT32_MAX >> 3)) { + client->errorValue = req->numAttribs; + return BadValue; + } + REQUEST_FIXED_SIZE(xGLXCreatePixmapReq, req->numAttribs << 3); + + if (!validGlxScreen(cl->client, req->screen, &pGlxScreen, &err)) + return err; + if (!validGlxFBConfig(cl->client, pGlxScreen, req->fbconfig, &config, &err)) + return err; + + err = DoCreateGLXPixmap(cl->client, pGlxScreen, config, + req->pixmap, req->glxpixmap); + if (err != Success) + return err; + + determineTextureTarget(cl->client, req->glxpixmap, + (CARD32*) (req + 1), req->numAttribs); + + return Success; +} + +int __glXDisp_CreateGLXPixmapWithConfigSGIX(__GLXclientState *cl, GLbyte *pc) +{ + ClientPtr client = cl->client; + xGLXCreateGLXPixmapWithConfigSGIXReq *req = + (xGLXCreateGLXPixmapWithConfigSGIXReq *) pc; + __GLXconfig *config; + __GLXscreen *pGlxScreen; + int err; + + REQUEST_SIZE_MATCH(xGLXCreateGLXPixmapWithConfigSGIXReq); + + if (!validGlxScreen(cl->client, req->screen, &pGlxScreen, &err)) + return err; + if (!validGlxFBConfig(cl->client, pGlxScreen, req->fbconfig, &config, &err)) + return err; + + return DoCreateGLXPixmap(cl->client, pGlxScreen, + config, req->pixmap, req->glxpixmap); +} + + +static int DoDestroyDrawable(__GLXclientState *cl, XID glxdrawable, int type) +{ + __GLXdrawable *pGlxDraw; + int err; + + if (!validGlxDrawable(cl->client, glxdrawable, type, + DixDestroyAccess, &pGlxDraw, &err)) + return err; + + FreeResource(glxdrawable, FALSE); + + return Success; +} + +int __glXDisp_DestroyGLXPixmap(__GLXclientState *cl, GLbyte *pc) +{ + ClientPtr client = cl->client; + xGLXDestroyGLXPixmapReq *req = (xGLXDestroyGLXPixmapReq *) pc; + + REQUEST_SIZE_MATCH(xGLXDestroyGLXPixmapReq); + + return DoDestroyDrawable(cl, req->glxpixmap, GLX_DRAWABLE_PIXMAP); +} + +int __glXDisp_DestroyPixmap(__GLXclientState *cl, GLbyte *pc) +{ + ClientPtr client = cl->client; + xGLXDestroyPixmapReq *req = (xGLXDestroyPixmapReq *) pc; + + REQUEST_SIZE_MATCH(xGLXDestroyPixmapReq); + + return DoDestroyDrawable(cl, req->glxpixmap, GLX_DRAWABLE_PIXMAP); +} + +static int +DoCreatePbuffer(ClientPtr client, int screenNum, XID fbconfigId, + int width, int height, XID glxDrawableId) +{ + __GLXconfig *config; + __GLXscreen *pGlxScreen; + PixmapPtr pPixmap; + int err; + + LEGAL_NEW_RESOURCE(glxDrawableId, client); + + if (!validGlxScreen(client, screenNum, &pGlxScreen, &err)) + return err; + if (!validGlxFBConfig(client, pGlxScreen, fbconfigId, &config, &err)) + return err; + + __glXenterServer(GL_FALSE); + pPixmap = (*pGlxScreen->pScreen->CreatePixmap) (pGlxScreen->pScreen, + width, height, config->rgbBits, 0); + __glXleaveServer(GL_FALSE); + + /* Assign the pixmap the same id as the pbuffer and add it as a + * resource so it and the DRI2 drawable will be reclaimed when the + * pbuffer is destroyed. */ + pPixmap->drawable.id = glxDrawableId; + if (!AddResource(pPixmap->drawable.id, RT_PIXMAP, pPixmap)) + return BadAlloc; + + return DoCreateGLXDrawable(client, pGlxScreen, config, &pPixmap->drawable, + glxDrawableId, glxDrawableId, + GLX_DRAWABLE_PBUFFER); +} + +int __glXDisp_CreatePbuffer(__GLXclientState *cl, GLbyte *pc) +{ + ClientPtr client = cl->client; + xGLXCreatePbufferReq *req = (xGLXCreatePbufferReq *) pc; + CARD32 *attrs; + int width, height, i; + + REQUEST_AT_LEAST_SIZE(xGLXCreatePbufferReq); + if (req->numAttribs > (UINT32_MAX >> 3)) { + client->errorValue = req->numAttribs; + return BadValue; + } + REQUEST_FIXED_SIZE(xGLXCreatePbufferReq, req->numAttribs << 3); + + attrs = (CARD32 *) (req + 1); + width = 0; + height = 0; + + for (i = 0; i < req->numAttribs; i++) { + switch (attrs[i * 2]) { + case GLX_PBUFFER_WIDTH: + width = attrs[i * 2 + 1]; + break; + case GLX_PBUFFER_HEIGHT: + height = attrs[i * 2 + 1]; + break; + case GLX_LARGEST_PBUFFER: + case GLX_PRESERVED_CONTENTS: + /* FIXME: huh... */ + break; + } + } + + return DoCreatePbuffer(cl->client, req->screen, req->fbconfig, + width, height, req->pbuffer); +} + +int __glXDisp_CreateGLXPbufferSGIX(__GLXclientState *cl, GLbyte *pc) +{ + ClientPtr client = cl->client; + xGLXCreateGLXPbufferSGIXReq *req = (xGLXCreateGLXPbufferSGIXReq *) pc; + + REQUEST_SIZE_MATCH(xGLXCreateGLXPbufferSGIXReq); + + return DoCreatePbuffer(cl->client, req->screen, req->fbconfig, + req->width, req->height, req->pbuffer); +} + +int __glXDisp_DestroyPbuffer(__GLXclientState *cl, GLbyte *pc) +{ + ClientPtr client = cl->client; + xGLXDestroyPbufferReq *req = (xGLXDestroyPbufferReq *) pc; + + REQUEST_SIZE_MATCH(xGLXDestroyPbufferReq); + + return DoDestroyDrawable(cl, req->pbuffer, GLX_DRAWABLE_PBUFFER); +} + +int __glXDisp_DestroyGLXPbufferSGIX(__GLXclientState *cl, GLbyte *pc) +{ + ClientPtr client = cl->client; + xGLXDestroyGLXPbufferSGIXReq *req = (xGLXDestroyGLXPbufferSGIXReq *) pc; + + REQUEST_SIZE_MATCH(xGLXDestroyGLXPbufferSGIXReq); + + return DoDestroyDrawable(cl, req->pbuffer, GLX_DRAWABLE_PBUFFER); +} + +static int +DoChangeDrawableAttributes(ClientPtr client, XID glxdrawable, + int numAttribs, CARD32 *attribs) +{ + __GLXdrawable *pGlxDraw; + int i, err; + + if (!validGlxDrawable(client, glxdrawable, GLX_DRAWABLE_ANY, + DixSetAttrAccess, &pGlxDraw, &err)) + return err; + + for (i = 0; i < numAttribs; i++) { + switch(attribs[i * 2]) { + case GLX_EVENT_MASK: + /* All we do is to record the event mask so we can send it + * back when queried. We never actually clobber the + * pbuffers, so we never need to send out the event. */ + pGlxDraw->eventMask = attribs[i * 2 + 1]; + break; + } + } + + return Success; +} + +int __glXDisp_ChangeDrawableAttributes(__GLXclientState *cl, GLbyte *pc) +{ + ClientPtr client = cl->client; + xGLXChangeDrawableAttributesReq *req = + (xGLXChangeDrawableAttributesReq *) pc; + + REQUEST_AT_LEAST_SIZE(xGLXChangeDrawableAttributesReq); + if (req->numAttribs > (UINT32_MAX >> 3)) { + client->errorValue = req->numAttribs; + return BadValue; + } + REQUEST_FIXED_SIZE(xGLXChangeDrawableAttributesReq, req->numAttribs << 3); + + return DoChangeDrawableAttributes(cl->client, req->drawable, + req->numAttribs, (CARD32 *) (req + 1)); +} + +int __glXDisp_ChangeDrawableAttributesSGIX(__GLXclientState *cl, GLbyte *pc) +{ + ClientPtr client = cl->client; + xGLXChangeDrawableAttributesSGIXReq *req = + (xGLXChangeDrawableAttributesSGIXReq *)pc; + + REQUEST_AT_LEAST_SIZE(xGLXChangeDrawableAttributesSGIXReq); + if (req->numAttribs > (UINT32_MAX >> 3)) { + client->errorValue = req->numAttribs; + return BadValue; + } + REQUEST_FIXED_SIZE(xGLXChangeDrawableAttributesSGIXReq, req->numAttribs << 3); + + return DoChangeDrawableAttributes(cl->client, req->drawable, + req->numAttribs, (CARD32 *) (req + 1)); +} + +int __glXDisp_CreateWindow(__GLXclientState *cl, GLbyte *pc) +{ + xGLXCreateWindowReq *req = (xGLXCreateWindowReq *) pc; + __GLXconfig *config; + __GLXscreen *pGlxScreen; + ClientPtr client = cl->client; + DrawablePtr pDraw; + int err; + + REQUEST_AT_LEAST_SIZE(xGLXCreateWindowReq); + if (req->numAttribs > (UINT32_MAX >> 3)) { + client->errorValue = req->numAttribs; + return BadValue; + } + REQUEST_FIXED_SIZE(xGLXCreateWindowReq, req->numAttribs << 3); + + LEGAL_NEW_RESOURCE(req->glxwindow, client); + + if (!validGlxScreen(client, req->screen, &pGlxScreen, &err)) + return err; + if (!validGlxFBConfig(client, pGlxScreen, req->fbconfig, &config, &err)) + return err; + + err = dixLookupDrawable(&pDraw, req->window, client, 0, DixAddAccess); + if (err != Success || pDraw->type != DRAWABLE_WINDOW) { + client->errorValue = req->window; + return BadWindow; + } + + if (!validGlxFBConfigForWindow(client, config, pDraw, &err)) + return err; + + return DoCreateGLXDrawable(client, pGlxScreen, config, + pDraw, req->window, + req->glxwindow, GLX_DRAWABLE_WINDOW); +} + +int __glXDisp_DestroyWindow(__GLXclientState *cl, GLbyte *pc) +{ + ClientPtr client = cl->client; + xGLXDestroyWindowReq *req = (xGLXDestroyWindowReq *) pc; + + REQUEST_SIZE_MATCH(xGLXDestroyWindowReq); + + return DoDestroyDrawable(cl, req->glxwindow, GLX_DRAWABLE_WINDOW); +} + + +/*****************************************************************************/ + +/* +** 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 __glXDisp_SwapBuffers(__GLXclientState *cl, GLbyte *pc) +{ + ClientPtr client = cl->client; + xGLXSwapBuffersReq *req = (xGLXSwapBuffersReq *) pc; + GLXContextTag tag; + XID drawId; + __GLXcontext *glxc = NULL; + __GLXdrawable *pGlxDraw; + int error; + + REQUEST_SIZE_MATCH(xGLXSwapBuffersReq); + + tag = req->contextTag; + drawId = req->drawable; + if (tag) { + glxc = __glXLookupContextByTag(cl, tag); + if (!glxc) { + return __glXError(GLXBadContextTag); + } + /* + ** The calling thread is swapping its current drawable. In this case, + ** glxSwapBuffers is in both GL and X streams, in terms of + ** sequentiality. + */ + if (__glXForceCurrent(cl, tag, &error)) { + /* + ** Do whatever is needed to make sure that all preceding requests + ** in both streams are completed before the swap is executed. + */ + CALL_Finish( GET_DISPATCH(), () ); + __GLX_NOTE_FLUSHED_CMDS(glxc); + } else { + return error; + } + } + + pGlxDraw = __glXGetDrawable(glxc, drawId, client, &error); + if (pGlxDraw == NULL) + return error; + + if (pGlxDraw->type == DRAWABLE_WINDOW && + (*pGlxDraw->swapBuffers)(cl->client, pGlxDraw) == GL_FALSE) + return __glXError(GLXBadDrawable); + + return Success; +} + + +static int +DoQueryContext(__GLXclientState *cl, GLXContextID gcId) +{ + ClientPtr client = cl->client; + __GLXcontext *ctx; + xGLXQueryContextInfoEXTReply reply; + int nProps; + int *sendBuf, *pSendBuf; + int nReplyBytes; + int err; + + if (!validGlxContext(cl->client, gcId, DixReadAccess, &ctx, &err)) + return err; + + nProps = 3; + reply.length = nProps << 1; + reply.type = X_Reply; + reply.sequenceNumber = client->sequence; + reply.n = nProps; + + nReplyBytes = reply.length << 2; + sendBuf = (int *)malloc((size_t)nReplyBytes); + if (sendBuf == NULL) { + return __glXError(GLXBadContext); /* XXX: Is this correct? */ + } + pSendBuf = sendBuf; + *pSendBuf++ = GLX_SHARE_CONTEXT_EXT; + *pSendBuf++ = (int)(ctx->share_id); + *pSendBuf++ = GLX_VISUAL_ID_EXT; + *pSendBuf++ = (int)(ctx->config->visualID); + *pSendBuf++ = GLX_SCREEN_EXT; + *pSendBuf++ = (int)(ctx->pGlxScreen->pScreen->myNum); + + 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 __glXDisp_QueryContextInfoEXT(__GLXclientState *cl, GLbyte *pc) +{ + ClientPtr client = cl->client; + xGLXQueryContextInfoEXTReq *req = (xGLXQueryContextInfoEXTReq *) pc; + + REQUEST_SIZE_MATCH(xGLXQueryContextInfoEXTReq); + + return DoQueryContext(cl, req->context); +} + +int __glXDisp_QueryContext(__GLXclientState *cl, GLbyte *pc) +{ + ClientPtr client = cl->client; + xGLXQueryContextReq *req = (xGLXQueryContextReq *) pc; + + REQUEST_SIZE_MATCH(xGLXQueryContextReq); + + return DoQueryContext(cl, req->context); +} + +int __glXDisp_BindTexImageEXT(__GLXclientState *cl, GLbyte *pc) +{ + xGLXVendorPrivateReq *req = (xGLXVendorPrivateReq *) pc; + ClientPtr client = cl->client; + __GLXcontext *context; + __GLXdrawable *pGlxDraw; + GLXDrawable drawId; + int buffer; + int error; + + REQUEST_FIXED_SIZE(xGLXVendorPrivateReq, 8); + + pc += __GLX_VENDPRIV_HDR_SIZE; + + drawId = *((CARD32 *) (pc)); + buffer = *((INT32 *) (pc + 4)); + + if (buffer != GLX_FRONT_LEFT_EXT) + return __glXError(GLXBadPixmap); + + context = __glXForceCurrent (cl, req->contextTag, &error); + if (!context) + return error; + + if (!validGlxDrawable(client, drawId, GLX_DRAWABLE_PIXMAP, + DixReadAccess, &pGlxDraw, &error)) + return error; + + if (!context->textureFromPixmap) + return __glXError(GLXUnsupportedPrivateRequest); + + return context->textureFromPixmap->bindTexImage(context, + buffer, + pGlxDraw); +} + +int __glXDisp_ReleaseTexImageEXT(__GLXclientState *cl, GLbyte *pc) +{ + xGLXVendorPrivateReq *req = (xGLXVendorPrivateReq *) pc; + ClientPtr client = cl->client; + __GLXdrawable *pGlxDraw; + __GLXcontext *context; + GLXDrawable drawId; + int buffer; + int error; + + REQUEST_FIXED_SIZE(xGLXVendorPrivateReq, 8); + + pc += __GLX_VENDPRIV_HDR_SIZE; + + drawId = *((CARD32 *) (pc)); + buffer = *((INT32 *) (pc + 4)); + + context = __glXForceCurrent (cl, req->contextTag, &error); + if (!context) + return error; + + if (!validGlxDrawable(client, drawId, GLX_DRAWABLE_PIXMAP, + DixReadAccess, &pGlxDraw, &error)) + return error; + + if (!context->textureFromPixmap) + return __glXError(GLXUnsupportedPrivateRequest); + + return context->textureFromPixmap->releaseTexImage(context, + buffer, + pGlxDraw); +} + +int __glXDisp_CopySubBufferMESA(__GLXclientState *cl, GLbyte *pc) +{ + xGLXVendorPrivateReq *req = (xGLXVendorPrivateReq *) pc; + GLXContextTag tag = req->contextTag; + __GLXcontext *glxc = NULL; + __GLXdrawable *pGlxDraw; + ClientPtr client = cl->client; + GLXDrawable drawId; + int error; + int x, y, width, height; + + (void) client; + (void) req; + + REQUEST_FIXED_SIZE(xGLXVendorPrivateReq, 20); + + pc += __GLX_VENDPRIV_HDR_SIZE; + + drawId = *((CARD32 *) (pc)); + x = *((INT32 *) (pc + 4)); + y = *((INT32 *) (pc + 8)); + width = *((INT32 *) (pc + 12)); + height = *((INT32 *) (pc + 16)); + + if (tag) { + glxc = __glXLookupContextByTag(cl, tag); + if (!glxc) { + return __glXError(GLXBadContextTag); + } + /* + ** The calling thread is swapping its current drawable. In this case, + ** glxSwapBuffers is in both GL and X streams, in terms of + ** sequentiality. + */ + if (__glXForceCurrent(cl, tag, &error)) { + /* + ** Do whatever is needed to make sure that all preceding requests + ** in both streams are completed before the swap is executed. + */ + CALL_Finish( GET_DISPATCH(), () ); + __GLX_NOTE_FLUSHED_CMDS(glxc); + } else { + return error; + } + } + + pGlxDraw = __glXGetDrawable(glxc, drawId, client, &error); + if (!pGlxDraw) + return error; + + if (pGlxDraw == NULL || + pGlxDraw->type != GLX_DRAWABLE_WINDOW || + pGlxDraw->copySubBuffer == NULL) + return __glXError(GLXBadDrawable); + + (*pGlxDraw->copySubBuffer)(pGlxDraw, x, y, width, height); + + return Success; +} + +/* +** Get drawable attributes +*/ +static int +DoGetDrawableAttributes(__GLXclientState *cl, XID drawId) +{ + ClientPtr client = cl->client; + xGLXGetDrawableAttributesReply reply; + __GLXdrawable *pGlxDraw; + CARD32 attributes[6]; + int numAttribs, error; + + if (!validGlxDrawable(client, drawId, GLX_DRAWABLE_ANY, + DixGetAttrAccess, &pGlxDraw, &error)) + return error; + + numAttribs = 3; + reply.length = numAttribs << 1; + reply.type = X_Reply; + reply.sequenceNumber = client->sequence; + reply.numAttribs = numAttribs; + + attributes[0] = GLX_TEXTURE_TARGET_EXT; + attributes[1] = pGlxDraw->target == GL_TEXTURE_2D ? GLX_TEXTURE_2D_EXT : + GLX_TEXTURE_RECTANGLE_EXT; + attributes[2] = GLX_Y_INVERTED_EXT; + attributes[3] = GL_FALSE; + attributes[4] = GLX_EVENT_MASK; + attributes[5] = pGlxDraw->eventMask; + + if (client->swapped) { + __glXSwapGetDrawableAttributesReply(client, &reply, attributes); + } else { + WriteToClient(client, sz_xGLXGetDrawableAttributesReply, + (char *)&reply); + WriteToClient(client, reply.length * sizeof (CARD32), + (char *)attributes); + } + + return Success; +} + +int __glXDisp_GetDrawableAttributes(__GLXclientState *cl, GLbyte *pc) +{ + ClientPtr client = cl->client; + xGLXGetDrawableAttributesReq *req = (xGLXGetDrawableAttributesReq *)pc; + + REQUEST_SIZE_MATCH(xGLXGetDrawableAttributesReq); + + return DoGetDrawableAttributes(cl, req->drawable); +} + +int __glXDisp_GetDrawableAttributesSGIX(__GLXclientState *cl, GLbyte *pc) +{ + ClientPtr client = cl->client; + xGLXGetDrawableAttributesSGIXReq *req = + (xGLXGetDrawableAttributesSGIXReq *)pc; + + REQUEST_SIZE_MATCH(xGLXGetDrawableAttributesSGIXReq); + + return DoGetDrawableAttributes(cl, req->drawable); +} + +/************************************************************************/ + +/* +** 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 __glXDisp_Render(__GLXclientState *cl, GLbyte *pc) +{ + xGLXRenderReq *req; + ClientPtr client= cl->client; + int left, cmdlen, error; + int commandsDone; + CARD16 opcode; + __GLXrenderHeader *hdr; + __GLXcontext *glxc; + __GLX_DECLARE_SWAP_VARIABLES; + + REQUEST_AT_LEAST_SIZE(xGLXRenderReq); + + req = (xGLXRenderReq *) pc; + if (client->swapped) { + __GLX_SWAP_SHORT(&req->length); + __GLX_SWAP_INT(&req->contextTag); + } + + glxc = __glXForceCurrent(cl, req->contextTag, &error); + if (!glxc) { + return error; + } + + commandsDone = 0; + pc += sz_xGLXRenderReq; + left = (req->length << 2) - sz_xGLXRenderReq; + while (left > 0) { + __GLXrenderSizeData entry; + int extra; + __GLXdispatchRenderProcPtr proc; + int err; + + if (left < sizeof(__GLXrenderHeader)) + return BadLength; + + /* + ** Verify that the header length and the overall length agree. + ** Also, each command must be word aligned. + */ + hdr = (__GLXrenderHeader *) pc; + if (client->swapped) { + __GLX_SWAP_SHORT(&hdr->length); + __GLX_SWAP_SHORT(&hdr->opcode); + } + cmdlen = hdr->length; + opcode = hdr->opcode; + + /* + ** Check for core opcodes and grab entry data. + */ + err = __glXGetProtocolSizeData(& Render_dispatch_info, opcode, & entry); + proc = (__GLXdispatchRenderProcPtr) + __glXGetProtocolDecodeFunction(& Render_dispatch_info, + opcode, client->swapped); + + if ((err < 0) || (proc == NULL)) { + client->errorValue = commandsDone; + return __glXError(GLXBadRenderRequest); + } + + if (entry.varsize) { + /* variable size command */ + extra = (*entry.varsize)(pc + __GLX_RENDER_HDR_SIZE, + client->swapped); + if (extra < 0) { + extra = 0; + } + if (cmdlen != __GLX_PAD(entry.bytes + extra)) { + return BadLength; + } + } else { + /* constant size command */ + if (cmdlen != __GLX_PAD(entry.bytes)) { + return BadLength; + } + } + if (left < cmdlen) { + return BadLength; + } + + /* + ** Skip over the header and execute the command. We allow the + ** caller to trash the command memory. This is useful especially + ** for things that require double alignment - they can just shift + ** the data towards lower memory (trashing the header) by 4 bytes + ** and achieve the required alignment. + */ + (*proc)(pc + __GLX_RENDER_HDR_SIZE); + pc += cmdlen; + left -= cmdlen; + commandsDone++; + } + __GLX_NOTE_UNFLUSHED_CMDS(glxc); + return Success; +} + + +/* +** Execute a large rendering request (one that spans multiple X requests). +*/ +int __glXDisp_RenderLarge(__GLXclientState *cl, GLbyte *pc) +{ + xGLXRenderLargeReq *req; + ClientPtr client= cl->client; + size_t dataBytes; + __GLXrenderLargeHeader *hdr; + __GLXcontext *glxc; + int error; + CARD16 opcode; + __GLX_DECLARE_SWAP_VARIABLES; + + req = (xGLXRenderLargeReq *) pc; + if (client->swapped) { + __GLX_SWAP_SHORT(&req->length); + __GLX_SWAP_INT(&req->contextTag); + __GLX_SWAP_INT(&req->dataBytes); + __GLX_SWAP_SHORT(&req->requestNumber); + __GLX_SWAP_SHORT(&req->requestTotal); + } + + glxc = __glXForceCurrent(cl, req->contextTag, &error); + if (!glxc) { + /* Reset in case this isn't 1st request. */ + __glXResetLargeCommandStatus(cl); + return error; + } + dataBytes = req->dataBytes; + + /* + ** Check the request length. + */ + if ((req->length << 2) != __GLX_PAD(dataBytes) + sz_xGLXRenderLargeReq) { + client->errorValue = req->length; + /* Reset in case this isn't 1st request. */ + __glXResetLargeCommandStatus(cl); + return BadLength; + } + pc += sz_xGLXRenderLargeReq; + + if (cl->largeCmdRequestsSoFar == 0) { + __GLXrenderSizeData entry; + int extra; + size_t cmdlen; + int err; + + /* + ** This is the first request of a multi request command. + ** Make enough space in the buffer, then copy the entire request. + */ + if (req->requestNumber != 1) { + client->errorValue = req->requestNumber; + return __glXError(GLXBadLargeRequest); + } + + hdr = (__GLXrenderLargeHeader *) pc; + if (client->swapped) { + __GLX_SWAP_INT(&hdr->length); + __GLX_SWAP_INT(&hdr->opcode); + } + cmdlen = hdr->length; + opcode = hdr->opcode; + + /* + ** Check for core opcodes and grab entry data. + */ + err = __glXGetProtocolSizeData(& Render_dispatch_info, opcode, & entry); + if (err < 0) { + client->errorValue = opcode; + return __glXError(GLXBadLargeRequest); + } + + if (entry.varsize) { + /* + ** If it's a variable-size command (a command whose length must + ** be computed from its parameters), all the parameters needed + ** will be in the 1st request, so it's okay to do this. + */ + extra = (*entry.varsize)(pc + __GLX_RENDER_LARGE_HDR_SIZE, + client->swapped); + if (extra < 0) { + extra = 0; + } + /* large command's header is 4 bytes longer, so add 4 */ + if (cmdlen != __GLX_PAD(entry.bytes + 4 + extra)) { + return BadLength; + } + } else { + /* constant size command */ + if (cmdlen != __GLX_PAD(entry.bytes + 4)) { + return BadLength; + } + } + /* + ** Make enough space in the buffer, then copy the entire request. + */ + if (cl->largeCmdBufSize < cmdlen) { + if (!cl->largeCmdBuf) { + cl->largeCmdBuf = (GLbyte *) malloc(cmdlen); + } else { + cl->largeCmdBuf = (GLbyte *) realloc(cl->largeCmdBuf, cmdlen); + } + if (!cl->largeCmdBuf) { + return BadAlloc; + } + cl->largeCmdBufSize = cmdlen; + } + memcpy(cl->largeCmdBuf, pc, dataBytes); + + cl->largeCmdBytesSoFar = dataBytes; + cl->largeCmdBytesTotal = cmdlen; + cl->largeCmdRequestsSoFar = 1; + cl->largeCmdRequestsTotal = req->requestTotal; + return Success; + + } else { + /* + ** We are receiving subsequent (i.e. not the first) requests of a + ** multi request command. + */ + + /* + ** Check the request number and the total request count. + */ + if (req->requestNumber != cl->largeCmdRequestsSoFar + 1) { + client->errorValue = req->requestNumber; + __glXResetLargeCommandStatus(cl); + return __glXError(GLXBadLargeRequest); + } + if (req->requestTotal != cl->largeCmdRequestsTotal) { + client->errorValue = req->requestTotal; + __glXResetLargeCommandStatus(cl); + return __glXError(GLXBadLargeRequest); + } + + /* + ** Check that we didn't get too much data. + */ + if ((cl->largeCmdBytesSoFar + dataBytes) > cl->largeCmdBytesTotal) { + client->errorValue = dataBytes; + __glXResetLargeCommandStatus(cl); + return __glXError(GLXBadLargeRequest); + } + memcpy(cl->largeCmdBuf + cl->largeCmdBytesSoFar, pc, dataBytes); + cl->largeCmdBytesSoFar += dataBytes; + cl->largeCmdRequestsSoFar++; + + if (req->requestNumber == cl->largeCmdRequestsTotal) { + __GLXdispatchRenderProcPtr proc; + + /* + ** This is the last request; it must have enough bytes to complete + ** the command. + */ + /* NOTE: the two pad macros have been added below; they are needed + ** because the client library pads the total byte count, but not + ** the per-request byte counts. The Protocol Encoding says the + ** total byte count should not be padded, so a proposal will be + ** made to the ARB to relax the padding constraint on the total + ** byte count, thus preserving backward compatibility. Meanwhile, + ** the padding done below fixes a bug that did not allow + ** large commands of odd sizes to be accepted by the server. + */ + if (__GLX_PAD(cl->largeCmdBytesSoFar) != + __GLX_PAD(cl->largeCmdBytesTotal)) { + client->errorValue = dataBytes; + __glXResetLargeCommandStatus(cl); + return __glXError(GLXBadLargeRequest); + } + hdr = (__GLXrenderLargeHeader *) cl->largeCmdBuf; + /* + ** The opcode and length field in the header had already been + ** swapped when the first request was received. + ** + ** Use the opcode to index into the procedure table. + */ + opcode = hdr->opcode; + + proc = (__GLXdispatchRenderProcPtr) + __glXGetProtocolDecodeFunction(& Render_dispatch_info, opcode, + client->swapped); + if (proc == NULL) { + client->errorValue = opcode; + return __glXError(GLXBadLargeRequest); + } + + /* + ** Skip over the header and execute the command. + */ + (*proc)(cl->largeCmdBuf + __GLX_RENDER_LARGE_HDR_SIZE); + __GLX_NOTE_UNFLUSHED_CMDS(glxc); + + /* + ** Reset for the next RenderLarge series. + */ + __glXResetLargeCommandStatus(cl); + } else { + /* + ** This is neither the first nor the last request. + */ + } + return Success; + } +} + +/************************************************************************/ + +/* +** No support is provided for the vendor-private requests other than +** allocating the entry points in the dispatch table. +*/ + +int __glXDisp_VendorPrivate(__GLXclientState *cl, GLbyte *pc) +{ + ClientPtr client = cl->client; + xGLXVendorPrivateReq *req = (xGLXVendorPrivateReq *) pc; + GLint vendorcode = req->vendorCode; + __GLXdispatchVendorPrivProcPtr proc; + + REQUEST_AT_LEAST_SIZE(xGLXVendorPrivateReq); + + proc = (__GLXdispatchVendorPrivProcPtr) + __glXGetProtocolDecodeFunction(& VendorPriv_dispatch_info, + vendorcode, 0); + if (proc != NULL) { + (*proc)(cl, (GLbyte*)req); + return Success; + } + + cl->client->errorValue = req->vendorCode; + return __glXError(GLXUnsupportedPrivateRequest); +} + +int __glXDisp_VendorPrivateWithReply(__GLXclientState *cl, GLbyte *pc) +{ + ClientPtr client = cl->client; + xGLXVendorPrivateReq *req = (xGLXVendorPrivateReq *) pc; + GLint vendorcode = req->vendorCode; + __GLXdispatchVendorPrivProcPtr proc; + + REQUEST_AT_LEAST_SIZE(xGLXVendorPrivateReq); + + proc = (__GLXdispatchVendorPrivProcPtr) + __glXGetProtocolDecodeFunction(& VendorPriv_dispatch_info, + vendorcode, 0); + if (proc != NULL) { + return (*proc)(cl, (GLbyte*)req); + } + + cl->client->errorValue = vendorcode; + return __glXError(GLXUnsupportedPrivateRequest); +} + +int __glXDisp_QueryExtensionsString(__GLXclientState *cl, GLbyte *pc) +{ + ClientPtr client = cl->client; + xGLXQueryExtensionsStringReq *req = (xGLXQueryExtensionsStringReq *) pc; + xGLXQueryExtensionsStringReply reply; + __GLXscreen *pGlxScreen; + size_t n, length; + char *buf; + int err; + + REQUEST_SIZE_MATCH(xGLXQueryExtensionsStringReq); + + if (!validGlxScreen(client, req->screen, &pGlxScreen, &err)) + return err; + + n = strlen(pGlxScreen->GLXextensions) + 1; + length = __GLX_PAD(n) >> 2; + reply.type = X_Reply; + reply.sequenceNumber = client->sequence; + reply.length = length; + reply.n = n; + + /* Allocate buffer to make sure it's a multiple of 4 bytes big.*/ + buf = (char *) malloc(length << 2); + if (buf == NULL) + return BadAlloc; + memcpy(buf, pGlxScreen->GLXextensions, n); + + if (client->swapped) { + glxSwapQueryExtensionsStringReply(client, &reply, buf); + } else { + WriteToClient(client, sz_xGLXQueryExtensionsStringReply,(char *)&reply); + WriteToClient(client, (int)(length << 2), (char *)buf); + } + + free(buf); + return Success; +} + +int __glXDisp_QueryServerString(__GLXclientState *cl, GLbyte *pc) +{ + ClientPtr client = cl->client; + xGLXQueryServerStringReq *req = (xGLXQueryServerStringReq *) pc; + xGLXQueryServerStringReply reply; + size_t n, length; + const char *ptr; + char *buf; + __GLXscreen *pGlxScreen; + int err; + char ver_str[16]; + + REQUEST_SIZE_MATCH(xGLXQueryServerStringReq); + + if (!validGlxScreen(client, req->screen, &pGlxScreen, &err)) + return err; + + switch(req->name) { + case GLX_VENDOR: + ptr = pGlxScreen->GLXvendor; + break; + case GLX_VERSION: + /* Return to the server version rather than the screen version + * to prevent confusion when they do not match. + */ + snprintf(ver_str, 16, "%d.%d", glxMajorVersion, glxMinorVersion); + ptr = ver_str; + break; + case GLX_EXTENSIONS: + ptr = pGlxScreen->GLXextensions; + break; + default: + return BadValue; + } + + n = strlen(ptr) + 1; + length = __GLX_PAD(n) >> 2; + reply.type = X_Reply; + reply.sequenceNumber = client->sequence; + reply.length = length; + reply.n = n; + + buf = (char *) malloc(length << 2); + if (buf == NULL) { + return BadAlloc; + } + memcpy(buf, ptr, n); + + if (client->swapped) { + glxSwapQueryServerStringReply(client, &reply, buf); + } else { + WriteToClient(client, sz_xGLXQueryServerStringReply, (char *)&reply); + WriteToClient(client, (int)(length << 2), buf); + } + + free(buf); + return Success; +} + +int __glXDisp_ClientInfo(__GLXclientState *cl, GLbyte *pc) +{ + ClientPtr client = cl->client; + xGLXClientInfoReq *req = (xGLXClientInfoReq *) pc; + const char *buf; + + REQUEST_AT_LEAST_SIZE(xGLXClientInfoReq); + + buf = (const char *)(req+1); + if (!memchr(buf, 0, (client->req_len << 2) - sizeof(xGLXClientInfoReq))) + return BadLength; + + cl->GLClientmajorVersion = req->major; + cl->GLClientminorVersion = req->minor; + free(cl->GLClientextensions); + cl->GLClientextensions = strdup(buf); + + return Success; +} diff --git a/xorg-server/glx/glxcmdsswap.c b/xorg-server/glx/glxcmdsswap.c index a6633741f..3bb4cade9 100644 --- a/xorg-server/glx/glxcmdsswap.c +++ b/xorg-server/glx/glxcmdsswap.c @@ -1,770 +1,915 @@ -/* - * 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_DIX_CONFIG_H -#include -#endif - -#include -#include "glxserver.h" -#include "glxutil.h" -#include -#include -#include -#include -#include "glxext.h" -#include "glapitable.h" -#include "glapi.h" -#include "glthread.h" -#include "dispatch.h" -#include "indirect_dispatch.h" -#include "indirect_table.h" -#include "indirect_util.h" - - -/************************************************************************/ - -/* -** Byteswapping versions of GLX commands. In most cases they just swap -** the incoming arguments and then call the unswapped routine. For commands -** that have replies, a separate swapping routine for the reply is provided; -** it is called at the end of the unswapped routine. -*/ - -int __glXDispSwap_CreateContext(__GLXclientState *cl, GLbyte *pc) -{ - xGLXCreateContextReq *req = (xGLXCreateContextReq *) pc; - __GLX_DECLARE_SWAP_VARIABLES; - - __GLX_SWAP_SHORT(&req->length); - __GLX_SWAP_INT(&req->context); - __GLX_SWAP_INT(&req->visual); - __GLX_SWAP_INT(&req->screen); - __GLX_SWAP_INT(&req->shareList); - - return __glXDisp_CreateContext(cl, pc); -} - -int __glXDispSwap_CreateNewContext(__GLXclientState *cl, GLbyte *pc) -{ - xGLXCreateNewContextReq *req = (xGLXCreateNewContextReq *) pc; - __GLX_DECLARE_SWAP_VARIABLES; - - __GLX_SWAP_SHORT(&req->length); - __GLX_SWAP_INT(&req->context); - __GLX_SWAP_INT(&req->fbconfig); - __GLX_SWAP_INT(&req->screen); - __GLX_SWAP_INT(&req->renderType); - __GLX_SWAP_INT(&req->shareList); - - return __glXDisp_CreateNewContext(cl, pc); -} - -int __glXDispSwap_CreateContextWithConfigSGIX(__GLXclientState *cl, GLbyte *pc) -{ - xGLXCreateContextWithConfigSGIXReq *req = - (xGLXCreateContextWithConfigSGIXReq *) pc; - __GLX_DECLARE_SWAP_VARIABLES; - - __GLX_SWAP_SHORT(&req->length); - __GLX_SWAP_INT(&req->context); - __GLX_SWAP_INT(&req->fbconfig); - __GLX_SWAP_INT(&req->screen); - __GLX_SWAP_INT(&req->renderType); - __GLX_SWAP_INT(&req->shareList); - - return __glXDisp_CreateContextWithConfigSGIX(cl, pc); -} - -int __glXDispSwap_DestroyContext(__GLXclientState *cl, GLbyte *pc) -{ - xGLXDestroyContextReq *req = (xGLXDestroyContextReq *) pc; - __GLX_DECLARE_SWAP_VARIABLES; - - __GLX_SWAP_SHORT(&req->length); - __GLX_SWAP_INT(&req->context); - - return __glXDisp_DestroyContext(cl, pc); -} - -int __glXDispSwap_MakeCurrent(__GLXclientState *cl, GLbyte *pc) -{ - xGLXMakeCurrentReq *req = (xGLXMakeCurrentReq *) pc; - __GLX_DECLARE_SWAP_VARIABLES; - - __GLX_SWAP_SHORT(&req->length); - __GLX_SWAP_INT(&req->drawable); - __GLX_SWAP_INT(&req->context); - __GLX_SWAP_INT(&req->oldContextTag); - - return __glXDisp_MakeCurrent(cl, pc); -} - -int __glXDispSwap_MakeContextCurrent(__GLXclientState *cl, GLbyte *pc) -{ - xGLXMakeContextCurrentReq *req = (xGLXMakeContextCurrentReq *) pc; - __GLX_DECLARE_SWAP_VARIABLES; - - __GLX_SWAP_SHORT(&req->length); - __GLX_SWAP_INT(&req->drawable); - __GLX_SWAP_INT(&req->readdrawable); - __GLX_SWAP_INT(&req->context); - __GLX_SWAP_INT(&req->oldContextTag); - - return __glXDisp_MakeContextCurrent(cl, pc); -} - -int __glXDispSwap_MakeCurrentReadSGI(__GLXclientState *cl, GLbyte *pc) -{ - xGLXMakeCurrentReadSGIReq *req = (xGLXMakeCurrentReadSGIReq *) pc; - __GLX_DECLARE_SWAP_VARIABLES; - - __GLX_SWAP_SHORT(&req->length); - __GLX_SWAP_INT(&req->drawable); - __GLX_SWAP_INT(&req->readable); - __GLX_SWAP_INT(&req->context); - __GLX_SWAP_INT(&req->oldContextTag); - - return __glXDisp_MakeCurrentReadSGI(cl, pc); -} - -int __glXDispSwap_IsDirect(__GLXclientState *cl, GLbyte *pc) -{ - xGLXIsDirectReq *req = (xGLXIsDirectReq *) pc; - __GLX_DECLARE_SWAP_VARIABLES; - - __GLX_SWAP_SHORT(&req->length); - __GLX_SWAP_INT(&req->context); - - return __glXDisp_IsDirect(cl, pc); -} - -int __glXDispSwap_QueryVersion(__GLXclientState *cl, GLbyte *pc) -{ - xGLXQueryVersionReq *req = (xGLXQueryVersionReq *) pc; - __GLX_DECLARE_SWAP_VARIABLES; - - __GLX_SWAP_SHORT(&req->length); - __GLX_SWAP_INT(&req->majorVersion); - __GLX_SWAP_INT(&req->minorVersion); - - return __glXDisp_QueryVersion(cl, pc); -} - -int __glXDispSwap_WaitGL(__GLXclientState *cl, GLbyte *pc) -{ - xGLXWaitGLReq *req = (xGLXWaitGLReq *) pc; - __GLX_DECLARE_SWAP_VARIABLES; - - __GLX_SWAP_SHORT(&req->length); - __GLX_SWAP_INT(&req->contextTag); - - return __glXDisp_WaitGL(cl, pc); -} - -int __glXDispSwap_WaitX(__GLXclientState *cl, GLbyte *pc) -{ - xGLXWaitXReq *req = (xGLXWaitXReq *) pc; - __GLX_DECLARE_SWAP_VARIABLES; - - __GLX_SWAP_SHORT(&req->length); - __GLX_SWAP_INT(&req->contextTag); - - return __glXDisp_WaitX(cl, pc); -} - -int __glXDispSwap_CopyContext(__GLXclientState *cl, GLbyte *pc) -{ - xGLXCopyContextReq *req = (xGLXCopyContextReq *) pc; - __GLX_DECLARE_SWAP_VARIABLES; - - __GLX_SWAP_SHORT(&req->length); - __GLX_SWAP_INT(&req->source); - __GLX_SWAP_INT(&req->dest); - __GLX_SWAP_INT(&req->mask); - - return __glXDisp_CopyContext(cl, pc); -} - -int __glXDispSwap_GetVisualConfigs(__GLXclientState *cl, GLbyte *pc) -{ - xGLXGetVisualConfigsReq *req = (xGLXGetVisualConfigsReq *) pc; - __GLX_DECLARE_SWAP_VARIABLES; - - __GLX_SWAP_INT(&req->screen); - return __glXDisp_GetVisualConfigs(cl, pc); -} - -int __glXDispSwap_GetFBConfigs(__GLXclientState *cl, GLbyte *pc) -{ - xGLXGetFBConfigsReq *req = (xGLXGetFBConfigsReq *) pc; - __GLX_DECLARE_SWAP_VARIABLES; - - __GLX_SWAP_INT(&req->screen); - return __glXDisp_GetFBConfigs(cl, pc); -} - -int __glXDispSwap_GetFBConfigsSGIX(__GLXclientState *cl, GLbyte *pc) -{ - xGLXGetFBConfigsSGIXReq *req = (xGLXGetFBConfigsSGIXReq *) pc; - __GLX_DECLARE_SWAP_VARIABLES; - - __GLX_SWAP_INT(&req->screen); - return __glXDisp_GetFBConfigsSGIX(cl, pc); -} - -int __glXDispSwap_CreateGLXPixmap(__GLXclientState *cl, GLbyte *pc) -{ - xGLXCreateGLXPixmapReq *req = (xGLXCreateGLXPixmapReq *) pc; - __GLX_DECLARE_SWAP_VARIABLES; - - __GLX_SWAP_SHORT(&req->length); - __GLX_SWAP_INT(&req->screen); - __GLX_SWAP_INT(&req->visual); - __GLX_SWAP_INT(&req->pixmap); - __GLX_SWAP_INT(&req->glxpixmap); - - return __glXDisp_CreateGLXPixmap(cl, pc); -} - -int __glXDispSwap_CreatePixmap(__GLXclientState *cl, GLbyte *pc) -{ - xGLXCreatePixmapReq *req = (xGLXCreatePixmapReq *) pc; - CARD32 *attribs; - __GLX_DECLARE_SWAP_VARIABLES; - __GLX_DECLARE_SWAP_ARRAY_VARIABLES; - - __GLX_SWAP_SHORT(&req->length); - __GLX_SWAP_INT(&req->screen); - __GLX_SWAP_INT(&req->fbconfig); - __GLX_SWAP_INT(&req->pixmap); - __GLX_SWAP_INT(&req->glxpixmap); - __GLX_SWAP_INT(&req->numAttribs); - attribs = (CARD32*)(req + 1); - __GLX_SWAP_INT_ARRAY(attribs, req->numAttribs); - - return __glXDisp_CreatePixmap(cl, pc); -} - -int __glXDispSwap_CreateGLXPixmapWithConfigSGIX(__GLXclientState *cl, GLbyte *pc) -{ - xGLXCreateGLXPixmapWithConfigSGIXReq *req = - (xGLXCreateGLXPixmapWithConfigSGIXReq *) pc; - __GLX_DECLARE_SWAP_VARIABLES; - - __GLX_SWAP_SHORT(&req->length); - __GLX_SWAP_INT(&req->screen); - __GLX_SWAP_INT(&req->fbconfig); - __GLX_SWAP_INT(&req->pixmap); - __GLX_SWAP_INT(&req->glxpixmap); - - return __glXDisp_CreateGLXPixmapWithConfigSGIX(cl, pc); -} - -int __glXDispSwap_DestroyGLXPixmap(__GLXclientState *cl, GLbyte *pc) -{ - xGLXDestroyGLXPixmapReq *req = (xGLXDestroyGLXPixmapReq *) pc; - __GLX_DECLARE_SWAP_VARIABLES; - - __GLX_SWAP_SHORT(&req->length); - __GLX_SWAP_INT(&req->glxpixmap); - - return __glXDisp_DestroyGLXPixmap(cl, pc); -} - -int __glXDispSwap_DestroyPixmap(__GLXclientState *cl, GLbyte *pc) -{ - xGLXDestroyGLXPixmapReq *req = (xGLXDestroyGLXPixmapReq *) pc; - __GLX_DECLARE_SWAP_VARIABLES; - - __GLX_SWAP_SHORT(&req->length); - __GLX_SWAP_INT(&req->glxpixmap); - - return __glXDisp_DestroyGLXPixmap(cl, pc); -} - -int __glXDispSwap_QueryContext(__GLXclientState *cl, GLbyte *pc) -{ - xGLXQueryContextReq *req = (xGLXQueryContextReq *) pc; - __GLX_DECLARE_SWAP_VARIABLES; - - __GLX_SWAP_INT(&req->context); - - return __glXDisp_QueryContext(cl, pc); -} - -int __glXDispSwap_CreatePbuffer(__GLXclientState *cl, GLbyte *pc) -{ - xGLXCreatePbufferReq *req = (xGLXCreatePbufferReq *) pc; - __GLX_DECLARE_SWAP_VARIABLES; - __GLX_DECLARE_SWAP_ARRAY_VARIABLES; - CARD32 *attribs; - - __GLX_SWAP_INT(&req->screen); - __GLX_SWAP_INT(&req->fbconfig); - __GLX_SWAP_INT(&req->pbuffer); - __GLX_SWAP_INT(&req->numAttribs); - attribs = (CARD32*)(req + 1); - __GLX_SWAP_INT_ARRAY(attribs, req->numAttribs); - - return __glXDisp_CreatePbuffer(cl, pc); -} - -int __glXDispSwap_CreateGLXPbufferSGIX(__GLXclientState *cl, GLbyte *pc) -{ - xGLXCreateGLXPbufferSGIXReq *req = (xGLXCreateGLXPbufferSGIXReq *) pc; - __GLX_DECLARE_SWAP_VARIABLES; - - __GLX_SWAP_INT(&req->screen); - __GLX_SWAP_INT(&req->fbconfig); - __GLX_SWAP_INT(&req->pbuffer); - __GLX_SWAP_INT(&req->width); - __GLX_SWAP_INT(&req->height); - - return __glXDisp_CreateGLXPbufferSGIX(cl, pc); -} - -int __glXDispSwap_DestroyPbuffer(__GLXclientState *cl, GLbyte *pc) -{ - xGLXDestroyPbufferReq *req = (xGLXDestroyPbufferReq *) pc; - __GLX_DECLARE_SWAP_VARIABLES; - - __GLX_SWAP_INT(&req->pbuffer); - - return __glXDisp_DestroyPbuffer(cl, pc); -} - -int __glXDispSwap_DestroyGLXPbufferSGIX(__GLXclientState *cl, GLbyte *pc) -{ - xGLXDestroyGLXPbufferSGIXReq *req = (xGLXDestroyGLXPbufferSGIXReq *) pc; - __GLX_DECLARE_SWAP_VARIABLES; - - __GLX_SWAP_INT(&req->pbuffer); - - return __glXDisp_DestroyGLXPbufferSGIX(cl, pc); -} - -int __glXDispSwap_ChangeDrawableAttributes(__GLXclientState *cl, GLbyte *pc) -{ - xGLXChangeDrawableAttributesReq *req = - (xGLXChangeDrawableAttributesReq *) pc; - __GLX_DECLARE_SWAP_VARIABLES; - __GLX_DECLARE_SWAP_ARRAY_VARIABLES; - CARD32 *attribs; - - __GLX_SWAP_INT(&req->drawable); - __GLX_SWAP_INT(&req->numAttribs); - attribs = (CARD32*)(req + 1); - __GLX_SWAP_INT_ARRAY(attribs, req->numAttribs); - - return __glXDisp_ChangeDrawableAttributes(cl, pc); -} - -int __glXDispSwap_ChangeDrawableAttributesSGIX(__GLXclientState *cl, - GLbyte *pc) -{ - xGLXChangeDrawableAttributesSGIXReq *req = - (xGLXChangeDrawableAttributesSGIXReq *) pc; - __GLX_DECLARE_SWAP_VARIABLES; - __GLX_DECLARE_SWAP_ARRAY_VARIABLES; - CARD32 *attribs; - - __GLX_SWAP_INT(&req->drawable); - __GLX_SWAP_INT(&req->numAttribs); - attribs = (CARD32*)(req + 1); - __GLX_SWAP_INT_ARRAY(attribs, req->numAttribs); - - return __glXDisp_ChangeDrawableAttributesSGIX(cl, pc); -} - -int __glXDispSwap_CreateWindow(__GLXclientState *cl, GLbyte *pc) -{ - xGLXCreateWindowReq *req = (xGLXCreateWindowReq *) pc; - __GLX_DECLARE_SWAP_VARIABLES; - __GLX_DECLARE_SWAP_ARRAY_VARIABLES; - CARD32 *attribs; - - __GLX_SWAP_INT(&req->screen); - __GLX_SWAP_INT(&req->fbconfig); - __GLX_SWAP_INT(&req->window); - __GLX_SWAP_INT(&req->glxwindow); - __GLX_SWAP_INT(&req->numAttribs); - attribs = (CARD32*)(req + 1); - __GLX_SWAP_INT_ARRAY(attribs, req->numAttribs); - - return __glXDisp_CreateWindow(cl, pc); -} - -int __glXDispSwap_DestroyWindow(__GLXclientState *cl, GLbyte *pc) -{ - xGLXDestroyWindowReq *req = (xGLXDestroyWindowReq *) pc; - __GLX_DECLARE_SWAP_VARIABLES; - - __GLX_SWAP_INT(&req->glxwindow); - - return __glXDisp_DestroyWindow(cl, pc); -} - -int __glXDispSwap_SwapBuffers(__GLXclientState *cl, GLbyte *pc) -{ - xGLXSwapBuffersReq *req = (xGLXSwapBuffersReq *) pc; - __GLX_DECLARE_SWAP_VARIABLES; - - __GLX_SWAP_SHORT(&req->length); - __GLX_SWAP_INT(&req->contextTag); - __GLX_SWAP_INT(&req->drawable); - - return __glXDisp_SwapBuffers(cl, pc); -} - -int __glXDispSwap_UseXFont(__GLXclientState *cl, GLbyte *pc) -{ - xGLXUseXFontReq *req = (xGLXUseXFontReq *) pc; - __GLX_DECLARE_SWAP_VARIABLES; - - __GLX_SWAP_SHORT(&req->length); - __GLX_SWAP_INT(&req->contextTag); - __GLX_SWAP_INT(&req->font); - __GLX_SWAP_INT(&req->first); - __GLX_SWAP_INT(&req->count); - __GLX_SWAP_INT(&req->listBase); - - return __glXDisp_UseXFont(cl, pc); -} - - -int __glXDispSwap_QueryExtensionsString(__GLXclientState *cl, GLbyte *pc) -{ - xGLXQueryExtensionsStringReq *req = (xGLXQueryExtensionsStringReq *)pc; - __GLX_DECLARE_SWAP_VARIABLES; - - __GLX_SWAP_SHORT(&req->length); - __GLX_SWAP_INT(&req->screen); - - return __glXDisp_QueryExtensionsString(cl, pc); -} - -int __glXDispSwap_QueryServerString(__GLXclientState *cl, GLbyte *pc) -{ - xGLXQueryServerStringReq *req = (xGLXQueryServerStringReq *)pc; - __GLX_DECLARE_SWAP_VARIABLES; - - __GLX_SWAP_SHORT(&req->length); - __GLX_SWAP_INT(&req->screen); - __GLX_SWAP_INT(&req->name); - - return __glXDisp_QueryServerString(cl, pc); -} - -int __glXDispSwap_ClientInfo(__GLXclientState *cl, GLbyte *pc) -{ - xGLXClientInfoReq *req = (xGLXClientInfoReq *)pc; - __GLX_DECLARE_SWAP_VARIABLES; - - __GLX_SWAP_SHORT(&req->length); - __GLX_SWAP_INT(&req->major); - __GLX_SWAP_INT(&req->minor); - __GLX_SWAP_INT(&req->numbytes); - - return __glXDisp_ClientInfo(cl, pc); -} - -int __glXDispSwap_QueryContextInfoEXT(__GLXclientState *cl, GLbyte *pc) -{ - xGLXQueryContextInfoEXTReq *req = (xGLXQueryContextInfoEXTReq *) pc; - __GLX_DECLARE_SWAP_VARIABLES; - - __GLX_SWAP_SHORT(&req->length); - __GLX_SWAP_INT(&req->context); - - return __glXDisp_QueryContextInfoEXT(cl, pc); -} - -int __glXDispSwap_BindTexImageEXT(__GLXclientState *cl, GLbyte *pc) -{ - xGLXVendorPrivateReq *req = (xGLXVendorPrivateReq *) pc; - GLXDrawable *drawId; - int *buffer; - - __GLX_DECLARE_SWAP_VARIABLES; - - pc += __GLX_VENDPRIV_HDR_SIZE; - - drawId = ((GLXDrawable *) (pc)); - buffer = ((int *) (pc + 4)); - - __GLX_SWAP_SHORT(&req->length); - __GLX_SWAP_INT(&req->contextTag); - __GLX_SWAP_INT(drawId); - __GLX_SWAP_INT(buffer); - - return __glXDisp_BindTexImageEXT(cl, (GLbyte *)pc); -} - -int __glXDispSwap_ReleaseTexImageEXT(__GLXclientState *cl, GLbyte *pc) -{ - xGLXVendorPrivateReq *req = (xGLXVendorPrivateReq *) pc; - GLXDrawable *drawId; - int *buffer; - - __GLX_DECLARE_SWAP_VARIABLES; - - pc += __GLX_VENDPRIV_HDR_SIZE; - - drawId = ((GLXDrawable *) (pc)); - buffer = ((int *) (pc + 4)); - - __GLX_SWAP_SHORT(&req->length); - __GLX_SWAP_INT(&req->contextTag); - __GLX_SWAP_INT(drawId); - __GLX_SWAP_INT(buffer); - - return __glXDisp_ReleaseTexImageEXT(cl, (GLbyte *)pc); -} - -int __glXDispSwap_CopySubBufferMESA(__GLXclientState *cl, GLbyte *pc) -{ - xGLXVendorPrivateReq *req = (xGLXVendorPrivateReq *) pc; - GLXDrawable *drawId; - int *buffer; - - __GLX_DECLARE_SWAP_VARIABLES; - - (void) drawId; - (void) buffer; - - pc += __GLX_VENDPRIV_HDR_SIZE; - - __GLX_SWAP_SHORT(&req->length); - __GLX_SWAP_INT(&req->contextTag); - __GLX_SWAP_INT(pc); - __GLX_SWAP_INT(pc + 4); - __GLX_SWAP_INT(pc + 8); - __GLX_SWAP_INT(pc + 12); - __GLX_SWAP_INT(pc + 16); - - return __glXDisp_CopySubBufferMESA(cl, pc); - -} - -int __glXDispSwap_GetDrawableAttributesSGIX(__GLXclientState *cl, GLbyte *pc) -{ - xGLXVendorPrivateWithReplyReq *req = (xGLXVendorPrivateWithReplyReq *)pc; - CARD32 *data; - - __GLX_DECLARE_SWAP_VARIABLES; - - data = (CARD32 *) (req + 1); - __GLX_SWAP_SHORT(&req->length); - __GLX_SWAP_INT(&req->contextTag); - __GLX_SWAP_INT(data); - - return __glXDisp_GetDrawableAttributesSGIX(cl, pc); -} - -int __glXDispSwap_GetDrawableAttributes(__GLXclientState *cl, GLbyte *pc) -{ - xGLXGetDrawableAttributesReq *req = (xGLXGetDrawableAttributesReq *)pc; - - __GLX_DECLARE_SWAP_VARIABLES; - - __GLX_SWAP_SHORT(&req->length); - __GLX_SWAP_INT(&req->drawable); - - return __glXDisp_GetDrawableAttributes(cl, pc); -} - - -/************************************************************************/ - -/* -** Swap replies. -*/ - -void __glXSwapMakeCurrentReply(ClientPtr client, xGLXMakeCurrentReply *reply) -{ - __GLX_DECLARE_SWAP_VARIABLES; - __GLX_SWAP_SHORT(&reply->sequenceNumber); - __GLX_SWAP_INT(&reply->length); - __GLX_SWAP_INT(&reply->contextTag); - WriteToClient(client, sz_xGLXMakeCurrentReply, (char *)reply); -} - -void __glXSwapIsDirectReply(ClientPtr client, xGLXIsDirectReply *reply) -{ - __GLX_DECLARE_SWAP_VARIABLES; - __GLX_SWAP_SHORT(&reply->sequenceNumber); - __GLX_SWAP_INT(&reply->length); - WriteToClient(client, sz_xGLXIsDirectReply, (char *)reply); -} - -void __glXSwapQueryVersionReply(ClientPtr client, xGLXQueryVersionReply *reply) -{ - __GLX_DECLARE_SWAP_VARIABLES; - __GLX_SWAP_SHORT(&reply->sequenceNumber); - __GLX_SWAP_INT(&reply->length); - __GLX_SWAP_INT(&reply->majorVersion); - __GLX_SWAP_INT(&reply->minorVersion); - WriteToClient(client, sz_xGLXQueryVersionReply, (char *)reply); -} - -void glxSwapQueryExtensionsStringReply(ClientPtr client, - xGLXQueryExtensionsStringReply *reply, char *buf) -{ - int length = reply->length; - __GLX_DECLARE_SWAP_VARIABLES; - __GLX_DECLARE_SWAP_ARRAY_VARIABLES; - __GLX_SWAP_SHORT(&reply->sequenceNumber); - __GLX_SWAP_INT(&reply->length); - __GLX_SWAP_INT(&reply->n); - WriteToClient(client, sz_xGLXQueryExtensionsStringReply, (char *)reply); - __GLX_SWAP_INT_ARRAY((int *)buf, length); - WriteToClient(client, length << 2, buf); -} - -void glxSwapQueryServerStringReply(ClientPtr client, - xGLXQueryServerStringReply *reply, char *buf) -{ - int length = reply->length; - __GLX_DECLARE_SWAP_VARIABLES; - __GLX_SWAP_SHORT(&reply->sequenceNumber); - __GLX_SWAP_INT(&reply->length); - __GLX_SWAP_INT(&reply->n); - WriteToClient(client, sz_xGLXQueryServerStringReply, (char *)reply); - /** no swap is needed for an array of chars **/ - /* __GLX_SWAP_INT_ARRAY((int *)buf, length); */ - WriteToClient(client, length << 2, buf); -} - -void __glXSwapQueryContextInfoEXTReply(ClientPtr client, xGLXQueryContextInfoEXTReply *reply, int *buf) -{ - int length = reply->length; - __GLX_DECLARE_SWAP_VARIABLES; - __GLX_DECLARE_SWAP_ARRAY_VARIABLES; - __GLX_SWAP_SHORT(&reply->sequenceNumber); - __GLX_SWAP_INT(&reply->length); - __GLX_SWAP_INT(&reply->n); - WriteToClient(client, sz_xGLXQueryContextInfoEXTReply, (char *)reply); - __GLX_SWAP_INT_ARRAY((int *)buf, length); - WriteToClient(client, length << 2, (char *)buf); -} - -void __glXSwapGetDrawableAttributesReply(ClientPtr client, - xGLXGetDrawableAttributesReply *reply, CARD32 *buf) -{ - int length = reply->length; - __GLX_DECLARE_SWAP_VARIABLES; - __GLX_DECLARE_SWAP_ARRAY_VARIABLES; - __GLX_SWAP_SHORT(&reply->sequenceNumber); - __GLX_SWAP_INT(&reply->length); - __GLX_SWAP_INT(&reply->numAttribs); - WriteToClient(client, sz_xGLXGetDrawableAttributesReply, (char *)reply); - __GLX_SWAP_INT_ARRAY((int *)buf, length); - WriteToClient(client, length << 2, (char *)buf); -} - -/************************************************************************/ - -/* -** Render and Renderlarge are not in the GLX API. They are used by the GLX -** client library to send batches of GL rendering commands. -*/ - -int __glXDispSwap_Render(__GLXclientState *cl, GLbyte *pc) -{ - return __glXDisp_Render(cl, pc); -} - -/* -** Execute a large rendering request (one that spans multiple X requests). -*/ -int __glXDispSwap_RenderLarge(__GLXclientState *cl, GLbyte *pc) -{ - return __glXDisp_RenderLarge(cl, pc); -} - -/************************************************************************/ - -/* -** No support is provided for the vendor-private requests other than -** allocating these entry points in the dispatch table. -*/ - -int __glXDispSwap_VendorPrivate(__GLXclientState *cl, GLbyte *pc) -{ - xGLXVendorPrivateReq *req; - GLint vendorcode; - __GLXdispatchVendorPrivProcPtr proc; - - __GLX_DECLARE_SWAP_VARIABLES; - - req = (xGLXVendorPrivateReq *) pc; - __GLX_SWAP_SHORT(&req->length); - __GLX_SWAP_INT(&req->vendorCode); - - vendorcode = req->vendorCode; - - proc = (__GLXdispatchVendorPrivProcPtr) - __glXGetProtocolDecodeFunction(& VendorPriv_dispatch_info, - vendorcode, 1); - if (proc != NULL) { - (*proc)(cl, (GLbyte*)req); - return Success; - } - - cl->client->errorValue = req->vendorCode; - return __glXError(GLXUnsupportedPrivateRequest); -} - - -int __glXDispSwap_VendorPrivateWithReply(__GLXclientState *cl, GLbyte *pc) -{ - xGLXVendorPrivateWithReplyReq *req; - GLint vendorcode; - __GLXdispatchVendorPrivProcPtr proc; - - __GLX_DECLARE_SWAP_VARIABLES; - - req = (xGLXVendorPrivateWithReplyReq *) pc; - __GLX_SWAP_SHORT(&req->length); - __GLX_SWAP_INT(&req->vendorCode); - - vendorcode = req->vendorCode; - - proc = (__GLXdispatchVendorPrivProcPtr) - __glXGetProtocolDecodeFunction(& VendorPriv_dispatch_info, - vendorcode, 1); - if (proc != NULL) { - return (*proc)(cl, (GLbyte*)req); - } - - cl->client->errorValue = req->vendorCode; - return __glXError(GLXUnsupportedPrivateRequest); -} +/* + * 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_DIX_CONFIG_H +#include +#endif + +#include +#include "glxserver.h" +#include "glxutil.h" +#include +#include +#include +#include +#include "glxext.h" +#include "glapitable.h" +#include "glapi.h" +#include "glthread.h" +#include "dispatch.h" +#include "indirect_dispatch.h" +#include "indirect_table.h" +#include "indirect_util.h" + + +/************************************************************************/ + +/* +** Byteswapping versions of GLX commands. In most cases they just swap +** the incoming arguments and then call the unswapped routine. For commands +** that have replies, a separate swapping routine for the reply is provided; +** it is called at the end of the unswapped routine. +*/ + +int __glXDispSwap_CreateContext(__GLXclientState *cl, GLbyte *pc) +{ + ClientPtr client = cl->client; + xGLXCreateContextReq *req = (xGLXCreateContextReq *) pc; + __GLX_DECLARE_SWAP_VARIABLES; + + REQUEST_SIZE_MATCH(xGLXCreateContextReq); + + __GLX_SWAP_SHORT(&req->length); + __GLX_SWAP_INT(&req->context); + __GLX_SWAP_INT(&req->visual); + __GLX_SWAP_INT(&req->screen); + __GLX_SWAP_INT(&req->shareList); + + return __glXDisp_CreateContext(cl, pc); +} + +int __glXDispSwap_CreateNewContext(__GLXclientState *cl, GLbyte *pc) +{ + ClientPtr client = cl->client; + xGLXCreateNewContextReq *req = (xGLXCreateNewContextReq *) pc; + __GLX_DECLARE_SWAP_VARIABLES; + + REQUEST_SIZE_MATCH(xGLXCreateNewContextReq); + + __GLX_SWAP_SHORT(&req->length); + __GLX_SWAP_INT(&req->context); + __GLX_SWAP_INT(&req->fbconfig); + __GLX_SWAP_INT(&req->screen); + __GLX_SWAP_INT(&req->renderType); + __GLX_SWAP_INT(&req->shareList); + + return __glXDisp_CreateNewContext(cl, pc); +} + +int __glXDispSwap_CreateContextWithConfigSGIX(__GLXclientState *cl, GLbyte *pc) +{ + ClientPtr client = cl->client; + xGLXCreateContextWithConfigSGIXReq *req = + (xGLXCreateContextWithConfigSGIXReq *) pc; + __GLX_DECLARE_SWAP_VARIABLES; + + REQUEST_SIZE_MATCH(xGLXCreateContextWithConfigSGIXReq); + + __GLX_SWAP_SHORT(&req->length); + __GLX_SWAP_INT(&req->context); + __GLX_SWAP_INT(&req->fbconfig); + __GLX_SWAP_INT(&req->screen); + __GLX_SWAP_INT(&req->renderType); + __GLX_SWAP_INT(&req->shareList); + + return __glXDisp_CreateContextWithConfigSGIX(cl, pc); +} + +int __glXDispSwap_DestroyContext(__GLXclientState *cl, GLbyte *pc) +{ + ClientPtr client = cl->client; + xGLXDestroyContextReq *req = (xGLXDestroyContextReq *) pc; + __GLX_DECLARE_SWAP_VARIABLES; + + REQUEST_SIZE_MATCH(xGLXDestroyContextReq); + + __GLX_SWAP_SHORT(&req->length); + __GLX_SWAP_INT(&req->context); + + return __glXDisp_DestroyContext(cl, pc); +} + +int __glXDispSwap_MakeCurrent(__GLXclientState *cl, GLbyte *pc) +{ + ClientPtr client = cl->client; + xGLXMakeCurrentReq *req = (xGLXMakeCurrentReq *) pc; + __GLX_DECLARE_SWAP_VARIABLES; + + REQUEST_SIZE_MATCH(xGLXMakeCurrentReq); + + __GLX_SWAP_SHORT(&req->length); + __GLX_SWAP_INT(&req->drawable); + __GLX_SWAP_INT(&req->context); + __GLX_SWAP_INT(&req->oldContextTag); + + return __glXDisp_MakeCurrent(cl, pc); +} + +int __glXDispSwap_MakeContextCurrent(__GLXclientState *cl, GLbyte *pc) +{ + ClientPtr client = cl->client; + xGLXMakeContextCurrentReq *req = (xGLXMakeContextCurrentReq *) pc; + __GLX_DECLARE_SWAP_VARIABLES; + + REQUEST_SIZE_MATCH(xGLXMakeContextCurrentReq); + + __GLX_SWAP_SHORT(&req->length); + __GLX_SWAP_INT(&req->drawable); + __GLX_SWAP_INT(&req->readdrawable); + __GLX_SWAP_INT(&req->context); + __GLX_SWAP_INT(&req->oldContextTag); + + return __glXDisp_MakeContextCurrent(cl, pc); +} + +int __glXDispSwap_MakeCurrentReadSGI(__GLXclientState *cl, GLbyte *pc) +{ + ClientPtr client = cl->client; + xGLXMakeCurrentReadSGIReq *req = (xGLXMakeCurrentReadSGIReq *) pc; + __GLX_DECLARE_SWAP_VARIABLES; + + REQUEST_SIZE_MATCH(xGLXMakeCurrentReadSGIReq); + + __GLX_SWAP_SHORT(&req->length); + __GLX_SWAP_INT(&req->drawable); + __GLX_SWAP_INT(&req->readable); + __GLX_SWAP_INT(&req->context); + __GLX_SWAP_INT(&req->oldContextTag); + + return __glXDisp_MakeCurrentReadSGI(cl, pc); +} + +int __glXDispSwap_IsDirect(__GLXclientState *cl, GLbyte *pc) +{ + ClientPtr client = cl->client; + xGLXIsDirectReq *req = (xGLXIsDirectReq *) pc; + __GLX_DECLARE_SWAP_VARIABLES; + + REQUEST_SIZE_MATCH(xGLXIsDirectReq); + + __GLX_SWAP_SHORT(&req->length); + __GLX_SWAP_INT(&req->context); + + return __glXDisp_IsDirect(cl, pc); +} + +int __glXDispSwap_QueryVersion(__GLXclientState *cl, GLbyte *pc) +{ + ClientPtr client = cl->client; + xGLXQueryVersionReq *req = (xGLXQueryVersionReq *) pc; + __GLX_DECLARE_SWAP_VARIABLES; + + REQUEST_SIZE_MATCH(xGLXQueryVersionReq); + + __GLX_SWAP_SHORT(&req->length); + __GLX_SWAP_INT(&req->majorVersion); + __GLX_SWAP_INT(&req->minorVersion); + + return __glXDisp_QueryVersion(cl, pc); +} + +int __glXDispSwap_WaitGL(__GLXclientState *cl, GLbyte *pc) +{ + ClientPtr client = cl->client; + xGLXWaitGLReq *req = (xGLXWaitGLReq *) pc; + __GLX_DECLARE_SWAP_VARIABLES; + + REQUEST_SIZE_MATCH(xGLXWaitGLReq); + + __GLX_SWAP_SHORT(&req->length); + __GLX_SWAP_INT(&req->contextTag); + + return __glXDisp_WaitGL(cl, pc); +} + +int __glXDispSwap_WaitX(__GLXclientState *cl, GLbyte *pc) +{ + ClientPtr client = cl->client; + xGLXWaitXReq *req = (xGLXWaitXReq *) pc; + __GLX_DECLARE_SWAP_VARIABLES; + + REQUEST_SIZE_MATCH(xGLXWaitXReq); + + __GLX_SWAP_SHORT(&req->length); + __GLX_SWAP_INT(&req->contextTag); + + return __glXDisp_WaitX(cl, pc); +} + +int __glXDispSwap_CopyContext(__GLXclientState *cl, GLbyte *pc) +{ + ClientPtr client = cl->client; + xGLXCopyContextReq *req = (xGLXCopyContextReq *) pc; + __GLX_DECLARE_SWAP_VARIABLES; + + REQUEST_SIZE_MATCH(xGLXCopyContextReq); + + __GLX_SWAP_SHORT(&req->length); + __GLX_SWAP_INT(&req->source); + __GLX_SWAP_INT(&req->dest); + __GLX_SWAP_INT(&req->mask); + + return __glXDisp_CopyContext(cl, pc); +} + +int __glXDispSwap_GetVisualConfigs(__GLXclientState *cl, GLbyte *pc) +{ + ClientPtr client = cl->client; + xGLXGetVisualConfigsReq *req = (xGLXGetVisualConfigsReq *) pc; + __GLX_DECLARE_SWAP_VARIABLES; + + REQUEST_SIZE_MATCH(xGLXGetVisualConfigsReq); + + __GLX_SWAP_INT(&req->screen); + return __glXDisp_GetVisualConfigs(cl, pc); +} + +int __glXDispSwap_GetFBConfigs(__GLXclientState *cl, GLbyte *pc) +{ + ClientPtr client = cl->client; + xGLXGetFBConfigsReq *req = (xGLXGetFBConfigsReq *) pc; + __GLX_DECLARE_SWAP_VARIABLES; + + REQUEST_SIZE_MATCH(xGLXGetFBConfigsReq); + + __GLX_SWAP_INT(&req->screen); + return __glXDisp_GetFBConfigs(cl, pc); +} + +int __glXDispSwap_GetFBConfigsSGIX(__GLXclientState *cl, GLbyte *pc) +{ + ClientPtr client = cl->client; + xGLXGetFBConfigsSGIXReq *req = (xGLXGetFBConfigsSGIXReq *) pc; + __GLX_DECLARE_SWAP_VARIABLES; + + REQUEST_SIZE_MATCH(xGLXGetFBConfigsSGIXReq); + + __GLX_SWAP_INT(&req->screen); + return __glXDisp_GetFBConfigsSGIX(cl, pc); +} + +int __glXDispSwap_CreateGLXPixmap(__GLXclientState *cl, GLbyte *pc) +{ + ClientPtr client = cl->client; + xGLXCreateGLXPixmapReq *req = (xGLXCreateGLXPixmapReq *) pc; + __GLX_DECLARE_SWAP_VARIABLES; + + REQUEST_SIZE_MATCH(xGLXCreateGLXPixmapReq); + + __GLX_SWAP_SHORT(&req->length); + __GLX_SWAP_INT(&req->screen); + __GLX_SWAP_INT(&req->visual); + __GLX_SWAP_INT(&req->pixmap); + __GLX_SWAP_INT(&req->glxpixmap); + + return __glXDisp_CreateGLXPixmap(cl, pc); +} + +int __glXDispSwap_CreatePixmap(__GLXclientState *cl, GLbyte *pc) +{ + ClientPtr client = cl->client; + xGLXCreatePixmapReq *req = (xGLXCreatePixmapReq *) pc; + CARD32 *attribs; + __GLX_DECLARE_SWAP_VARIABLES; + __GLX_DECLARE_SWAP_ARRAY_VARIABLES; + + REQUEST_AT_LEAST_SIZE(xGLXCreatePixmapReq); + + __GLX_SWAP_SHORT(&req->length); + __GLX_SWAP_INT(&req->screen); + __GLX_SWAP_INT(&req->fbconfig); + __GLX_SWAP_INT(&req->pixmap); + __GLX_SWAP_INT(&req->glxpixmap); + __GLX_SWAP_INT(&req->numAttribs); + + if (req->numAttribs > (UINT32_MAX >> 3)) { + client->errorValue = req->numAttribs; + return BadValue; + } + REQUEST_FIXED_SIZE(xGLXCreatePixmapReq, req->numAttribs << 3); + attribs = (CARD32*)(req + 1); + __GLX_SWAP_INT_ARRAY(attribs, req->numAttribs << 1); + + return __glXDisp_CreatePixmap(cl, pc); +} + +int __glXDispSwap_CreateGLXPixmapWithConfigSGIX(__GLXclientState *cl, GLbyte *pc) +{ + ClientPtr client = cl->client; + xGLXCreateGLXPixmapWithConfigSGIXReq *req = + (xGLXCreateGLXPixmapWithConfigSGIXReq *) pc; + __GLX_DECLARE_SWAP_VARIABLES; + + REQUEST_SIZE_MATCH(xGLXCreateGLXPixmapWithConfigSGIXReq); + + __GLX_SWAP_SHORT(&req->length); + __GLX_SWAP_INT(&req->screen); + __GLX_SWAP_INT(&req->fbconfig); + __GLX_SWAP_INT(&req->pixmap); + __GLX_SWAP_INT(&req->glxpixmap); + + return __glXDisp_CreateGLXPixmapWithConfigSGIX(cl, pc); +} + +int __glXDispSwap_DestroyGLXPixmap(__GLXclientState *cl, GLbyte *pc) +{ + ClientPtr client = cl->client; + xGLXDestroyGLXPixmapReq *req = (xGLXDestroyGLXPixmapReq *) pc; + __GLX_DECLARE_SWAP_VARIABLES; + + REQUEST_SIZE_MATCH(xGLXDestroyGLXPixmapReq); + + __GLX_SWAP_SHORT(&req->length); + __GLX_SWAP_INT(&req->glxpixmap); + + return __glXDisp_DestroyGLXPixmap(cl, pc); +} + +int __glXDispSwap_DestroyPixmap(__GLXclientState *cl, GLbyte *pc) +{ + ClientPtr client = cl->client; + xGLXDestroyGLXPixmapReq *req = (xGLXDestroyGLXPixmapReq *) pc; + __GLX_DECLARE_SWAP_VARIABLES; + + REQUEST_SIZE_MATCH(xGLXDestroyGLXPixmapReq); + + __GLX_SWAP_SHORT(&req->length); + __GLX_SWAP_INT(&req->glxpixmap); + + return __glXDisp_DestroyGLXPixmap(cl, pc); +} + +int __glXDispSwap_QueryContext(__GLXclientState *cl, GLbyte *pc) +{ + ClientPtr client = cl->client; + xGLXQueryContextReq *req = (xGLXQueryContextReq *) pc; + __GLX_DECLARE_SWAP_VARIABLES; + + REQUEST_SIZE_MATCH(xGLXQueryContextReq); + + __GLX_SWAP_INT(&req->context); + + return __glXDisp_QueryContext(cl, pc); +} + +int __glXDispSwap_CreatePbuffer(__GLXclientState *cl, GLbyte *pc) +{ + ClientPtr client = cl->client; + xGLXCreatePbufferReq *req = (xGLXCreatePbufferReq *) pc; + __GLX_DECLARE_SWAP_VARIABLES; + __GLX_DECLARE_SWAP_ARRAY_VARIABLES; + CARD32 *attribs; + + REQUEST_AT_LEAST_SIZE(xGLXCreatePbufferReq); + + __GLX_SWAP_INT(&req->screen); + __GLX_SWAP_INT(&req->fbconfig); + __GLX_SWAP_INT(&req->pbuffer); + __GLX_SWAP_INT(&req->numAttribs); + + if (req->numAttribs > (UINT32_MAX >> 3)) { + client->errorValue = req->numAttribs; + return BadValue; + } + REQUEST_FIXED_SIZE(xGLXCreatePbufferReq, req->numAttribs << 3); + attribs = (CARD32*)(req + 1); + __GLX_SWAP_INT_ARRAY(attribs, req->numAttribs << 1); + + return __glXDisp_CreatePbuffer(cl, pc); +} + +int __glXDispSwap_CreateGLXPbufferSGIX(__GLXclientState *cl, GLbyte *pc) +{ + ClientPtr client = cl->client; + xGLXCreateGLXPbufferSGIXReq *req = (xGLXCreateGLXPbufferSGIXReq *) pc; + __GLX_DECLARE_SWAP_VARIABLES; + + REQUEST_SIZE_MATCH(xGLXCreateGLXPbufferSGIXReq); + + __GLX_SWAP_INT(&req->screen); + __GLX_SWAP_INT(&req->fbconfig); + __GLX_SWAP_INT(&req->pbuffer); + __GLX_SWAP_INT(&req->width); + __GLX_SWAP_INT(&req->height); + + return __glXDisp_CreateGLXPbufferSGIX(cl, pc); +} + +int __glXDispSwap_DestroyPbuffer(__GLXclientState *cl, GLbyte *pc) +{ + ClientPtr client = cl->client; + xGLXDestroyPbufferReq *req = (xGLXDestroyPbufferReq *) pc; + __GLX_DECLARE_SWAP_VARIABLES; + + REQUEST_SIZE_MATCH(xGLXDestroyPbufferReq); + + __GLX_SWAP_INT(&req->pbuffer); + + return __glXDisp_DestroyPbuffer(cl, pc); +} + +int __glXDispSwap_DestroyGLXPbufferSGIX(__GLXclientState *cl, GLbyte *pc) +{ + ClientPtr client = cl->client; + xGLXDestroyGLXPbufferSGIXReq *req = (xGLXDestroyGLXPbufferSGIXReq *) pc; + __GLX_DECLARE_SWAP_VARIABLES; + + REQUEST_SIZE_MATCH(xGLXDestroyGLXPbufferSGIXReq); + + __GLX_SWAP_INT(&req->pbuffer); + + return __glXDisp_DestroyGLXPbufferSGIX(cl, pc); +} + +int __glXDispSwap_ChangeDrawableAttributes(__GLXclientState *cl, GLbyte *pc) +{ + ClientPtr client = cl->client; + xGLXChangeDrawableAttributesReq *req = + (xGLXChangeDrawableAttributesReq *) pc; + __GLX_DECLARE_SWAP_VARIABLES; + __GLX_DECLARE_SWAP_ARRAY_VARIABLES; + CARD32 *attribs; + + REQUEST_AT_LEAST_SIZE(xGLXChangeDrawableAttributesReq); + + __GLX_SWAP_INT(&req->drawable); + __GLX_SWAP_INT(&req->numAttribs); + + if (req->numAttribs > (UINT32_MAX >> 3)) { + client->errorValue = req->numAttribs; + return BadValue; + } + REQUEST_FIXED_SIZE(xGLXChangeDrawableAttributesReq, req->numAttribs << 3); + attribs = (CARD32*)(req + 1); + __GLX_SWAP_INT_ARRAY(attribs, req->numAttribs << 1); + + return __glXDisp_ChangeDrawableAttributes(cl, pc); +} + +int __glXDispSwap_ChangeDrawableAttributesSGIX(__GLXclientState *cl, + GLbyte *pc) +{ + ClientPtr client = cl->client; + xGLXChangeDrawableAttributesSGIXReq *req = + (xGLXChangeDrawableAttributesSGIXReq *) pc; + __GLX_DECLARE_SWAP_VARIABLES; + __GLX_DECLARE_SWAP_ARRAY_VARIABLES; + CARD32 *attribs; + + REQUEST_AT_LEAST_SIZE(xGLXChangeDrawableAttributesSGIXReq); + + __GLX_SWAP_INT(&req->drawable); + __GLX_SWAP_INT(&req->numAttribs); + + if (req->numAttribs > (UINT32_MAX >> 3)) { + client->errorValue = req->numAttribs; + return BadValue; + } + REQUEST_FIXED_SIZE(xGLXChangeDrawableAttributesSGIXReq, req->numAttribs << 3); + attribs = (CARD32*)(req + 1); + __GLX_SWAP_INT_ARRAY(attribs, req->numAttribs << 1); + + return __glXDisp_ChangeDrawableAttributesSGIX(cl, pc); +} + +int __glXDispSwap_CreateWindow(__GLXclientState *cl, GLbyte *pc) +{ + ClientPtr client = cl->client; + xGLXCreateWindowReq *req = (xGLXCreateWindowReq *) pc; + __GLX_DECLARE_SWAP_VARIABLES; + __GLX_DECLARE_SWAP_ARRAY_VARIABLES; + CARD32 *attribs; + + REQUEST_AT_LEAST_SIZE(xGLXCreateWindowReq); + + __GLX_SWAP_INT(&req->screen); + __GLX_SWAP_INT(&req->fbconfig); + __GLX_SWAP_INT(&req->window); + __GLX_SWAP_INT(&req->glxwindow); + __GLX_SWAP_INT(&req->numAttribs); + + if (req->numAttribs > (UINT32_MAX >> 3)) { + client->errorValue = req->numAttribs; + return BadValue; + } + REQUEST_FIXED_SIZE(xGLXCreateWindowReq, req->numAttribs << 3); + attribs = (CARD32*)(req + 1); + __GLX_SWAP_INT_ARRAY(attribs, req->numAttribs << 1); + + return __glXDisp_CreateWindow(cl, pc); +} + +int __glXDispSwap_DestroyWindow(__GLXclientState *cl, GLbyte *pc) +{ + ClientPtr client = cl->client; + xGLXDestroyWindowReq *req = (xGLXDestroyWindowReq *) pc; + __GLX_DECLARE_SWAP_VARIABLES; + + REQUEST_SIZE_MATCH(xGLXDestroyWindowReq); + + __GLX_SWAP_INT(&req->glxwindow); + + return __glXDisp_DestroyWindow(cl, pc); +} + +int __glXDispSwap_SwapBuffers(__GLXclientState *cl, GLbyte *pc) +{ + ClientPtr client = cl->client; + xGLXSwapBuffersReq *req = (xGLXSwapBuffersReq *) pc; + __GLX_DECLARE_SWAP_VARIABLES; + + REQUEST_SIZE_MATCH(xGLXSwapBuffersReq); + + __GLX_SWAP_SHORT(&req->length); + __GLX_SWAP_INT(&req->contextTag); + __GLX_SWAP_INT(&req->drawable); + + return __glXDisp_SwapBuffers(cl, pc); +} + +int __glXDispSwap_UseXFont(__GLXclientState *cl, GLbyte *pc) +{ + ClientPtr client = cl->client; + xGLXUseXFontReq *req = (xGLXUseXFontReq *) pc; + __GLX_DECLARE_SWAP_VARIABLES; + + REQUEST_SIZE_MATCH(xGLXUseXFontReq); + + __GLX_SWAP_SHORT(&req->length); + __GLX_SWAP_INT(&req->contextTag); + __GLX_SWAP_INT(&req->font); + __GLX_SWAP_INT(&req->first); + __GLX_SWAP_INT(&req->count); + __GLX_SWAP_INT(&req->listBase); + + return __glXDisp_UseXFont(cl, pc); +} + + +int __glXDispSwap_QueryExtensionsString(__GLXclientState *cl, GLbyte *pc) +{ + ClientPtr client = cl->client; + xGLXQueryExtensionsStringReq *req = (xGLXQueryExtensionsStringReq *)pc; + __GLX_DECLARE_SWAP_VARIABLES; + + REQUEST_SIZE_MATCH(xGLXQueryExtensionsStringReq); + + __GLX_SWAP_SHORT(&req->length); + __GLX_SWAP_INT(&req->screen); + + return __glXDisp_QueryExtensionsString(cl, pc); +} + +int __glXDispSwap_QueryServerString(__GLXclientState *cl, GLbyte *pc) +{ + ClientPtr client = cl->client; + xGLXQueryServerStringReq *req = (xGLXQueryServerStringReq *)pc; + __GLX_DECLARE_SWAP_VARIABLES; + + REQUEST_SIZE_MATCH(xGLXQueryServerStringReq); + + __GLX_SWAP_SHORT(&req->length); + __GLX_SWAP_INT(&req->screen); + __GLX_SWAP_INT(&req->name); + + return __glXDisp_QueryServerString(cl, pc); +} + +int __glXDispSwap_ClientInfo(__GLXclientState *cl, GLbyte *pc) +{ + ClientPtr client = cl->client; + xGLXClientInfoReq *req = (xGLXClientInfoReq *)pc; + __GLX_DECLARE_SWAP_VARIABLES; + + REQUEST_AT_LEAST_SIZE(xGLXClientInfoReq); + + __GLX_SWAP_SHORT(&req->length); + __GLX_SWAP_INT(&req->major); + __GLX_SWAP_INT(&req->minor); + __GLX_SWAP_INT(&req->numbytes); + + return __glXDisp_ClientInfo(cl, pc); +} + +int __glXDispSwap_QueryContextInfoEXT(__GLXclientState *cl, GLbyte *pc) +{ + ClientPtr client = cl->client; + xGLXQueryContextInfoEXTReq *req = (xGLXQueryContextInfoEXTReq *) pc; + __GLX_DECLARE_SWAP_VARIABLES; + + REQUEST_SIZE_MATCH(xGLXQueryContextInfoEXTReq); + + __GLX_SWAP_SHORT(&req->length); + __GLX_SWAP_INT(&req->context); + + return __glXDisp_QueryContextInfoEXT(cl, pc); +} + +int __glXDispSwap_BindTexImageEXT(__GLXclientState *cl, GLbyte *pc) +{ + ClientPtr client = cl->client; + xGLXVendorPrivateReq *req = (xGLXVendorPrivateReq *) pc; + GLXDrawable *drawId; + int *buffer; + __GLX_DECLARE_SWAP_VARIABLES; + + REQUEST_FIXED_SIZE(xGLXVendorPrivateReq, 8); + + pc += __GLX_VENDPRIV_HDR_SIZE; + + drawId = ((GLXDrawable *) (pc)); + buffer = ((int *) (pc + 4)); + + __GLX_SWAP_SHORT(&req->length); + __GLX_SWAP_INT(&req->contextTag); + __GLX_SWAP_INT(drawId); + __GLX_SWAP_INT(buffer); + + return __glXDisp_BindTexImageEXT(cl, (GLbyte *)pc); +} + +int __glXDispSwap_ReleaseTexImageEXT(__GLXclientState *cl, GLbyte *pc) +{ + ClientPtr client = cl->client; + xGLXVendorPrivateReq *req = (xGLXVendorPrivateReq *) pc; + GLXDrawable *drawId; + int *buffer; + __GLX_DECLARE_SWAP_VARIABLES; + + REQUEST_FIXED_SIZE(xGLXVendorPrivateReq, 8); + + pc += __GLX_VENDPRIV_HDR_SIZE; + + drawId = ((GLXDrawable *) (pc)); + buffer = ((int *) (pc + 4)); + + __GLX_SWAP_SHORT(&req->length); + __GLX_SWAP_INT(&req->contextTag); + __GLX_SWAP_INT(drawId); + __GLX_SWAP_INT(buffer); + + return __glXDisp_ReleaseTexImageEXT(cl, (GLbyte *)pc); +} + +int __glXDispSwap_CopySubBufferMESA(__GLXclientState *cl, GLbyte *pc) +{ + ClientPtr client = cl->client; + xGLXVendorPrivateReq *req = (xGLXVendorPrivateReq *) pc; + GLXDrawable *drawId; + int *buffer; + __GLX_DECLARE_SWAP_VARIABLES; + + REQUEST_FIXED_SIZE(xGLXVendorPrivateReq, 20); + + (void) drawId; + (void) buffer; + + pc += __GLX_VENDPRIV_HDR_SIZE; + + __GLX_SWAP_SHORT(&req->length); + __GLX_SWAP_INT(&req->contextTag); + __GLX_SWAP_INT(pc); + __GLX_SWAP_INT(pc + 4); + __GLX_SWAP_INT(pc + 8); + __GLX_SWAP_INT(pc + 12); + __GLX_SWAP_INT(pc + 16); + + return __glXDisp_CopySubBufferMESA(cl, pc); + +} + +int __glXDispSwap_GetDrawableAttributesSGIX(__GLXclientState *cl, GLbyte *pc) +{ + ClientPtr client = cl->client; + xGLXVendorPrivateWithReplyReq *req = (xGLXVendorPrivateWithReplyReq *)pc; + CARD32 *data; + __GLX_DECLARE_SWAP_VARIABLES; + + REQUEST_SIZE_MATCH(xGLXGetDrawableAttributesSGIXReq); + + data = (CARD32 *) (req + 1); + __GLX_SWAP_SHORT(&req->length); + __GLX_SWAP_INT(&req->contextTag); + __GLX_SWAP_INT(data); + + return __glXDisp_GetDrawableAttributesSGIX(cl, pc); +} + +int __glXDispSwap_GetDrawableAttributes(__GLXclientState *cl, GLbyte *pc) +{ + ClientPtr client = cl->client; + xGLXGetDrawableAttributesReq *req = (xGLXGetDrawableAttributesReq *)pc; + __GLX_DECLARE_SWAP_VARIABLES; + + REQUEST_SIZE_MATCH(xGLXGetDrawableAttributesReq); + + __GLX_SWAP_SHORT(&req->length); + __GLX_SWAP_INT(&req->drawable); + + return __glXDisp_GetDrawableAttributes(cl, pc); +} + + +/************************************************************************/ + +/* +** Swap replies. +*/ + +void __glXSwapMakeCurrentReply(ClientPtr client, xGLXMakeCurrentReply *reply) +{ + __GLX_DECLARE_SWAP_VARIABLES; + __GLX_SWAP_SHORT(&reply->sequenceNumber); + __GLX_SWAP_INT(&reply->length); + __GLX_SWAP_INT(&reply->contextTag); + WriteToClient(client, sz_xGLXMakeCurrentReply, (char *)reply); +} + +void __glXSwapIsDirectReply(ClientPtr client, xGLXIsDirectReply *reply) +{ + __GLX_DECLARE_SWAP_VARIABLES; + __GLX_SWAP_SHORT(&reply->sequenceNumber); + __GLX_SWAP_INT(&reply->length); + WriteToClient(client, sz_xGLXIsDirectReply, (char *)reply); +} + +void __glXSwapQueryVersionReply(ClientPtr client, xGLXQueryVersionReply *reply) +{ + __GLX_DECLARE_SWAP_VARIABLES; + __GLX_SWAP_SHORT(&reply->sequenceNumber); + __GLX_SWAP_INT(&reply->length); + __GLX_SWAP_INT(&reply->majorVersion); + __GLX_SWAP_INT(&reply->minorVersion); + WriteToClient(client, sz_xGLXQueryVersionReply, (char *)reply); +} + +void glxSwapQueryExtensionsStringReply(ClientPtr client, + xGLXQueryExtensionsStringReply *reply, char *buf) +{ + int length = reply->length; + __GLX_DECLARE_SWAP_VARIABLES; + __GLX_DECLARE_SWAP_ARRAY_VARIABLES; + __GLX_SWAP_SHORT(&reply->sequenceNumber); + __GLX_SWAP_INT(&reply->length); + __GLX_SWAP_INT(&reply->n); + WriteToClient(client, sz_xGLXQueryExtensionsStringReply, (char *)reply); + __GLX_SWAP_INT_ARRAY((int *)buf, length); + WriteToClient(client, length << 2, buf); +} + +void glxSwapQueryServerStringReply(ClientPtr client, + xGLXQueryServerStringReply *reply, char *buf) +{ + int length = reply->length; + __GLX_DECLARE_SWAP_VARIABLES; + __GLX_SWAP_SHORT(&reply->sequenceNumber); + __GLX_SWAP_INT(&reply->length); + __GLX_SWAP_INT(&reply->n); + WriteToClient(client, sz_xGLXQueryServerStringReply, (char *)reply); + /** no swap is needed for an array of chars **/ + /* __GLX_SWAP_INT_ARRAY((int *)buf, length); */ + WriteToClient(client, length << 2, buf); +} + +void __glXSwapQueryContextInfoEXTReply(ClientPtr client, xGLXQueryContextInfoEXTReply *reply, int *buf) +{ + int length = reply->length; + __GLX_DECLARE_SWAP_VARIABLES; + __GLX_DECLARE_SWAP_ARRAY_VARIABLES; + __GLX_SWAP_SHORT(&reply->sequenceNumber); + __GLX_SWAP_INT(&reply->length); + __GLX_SWAP_INT(&reply->n); + WriteToClient(client, sz_xGLXQueryContextInfoEXTReply, (char *)reply); + __GLX_SWAP_INT_ARRAY((int *)buf, length); + WriteToClient(client, length << 2, (char *)buf); +} + +void __glXSwapGetDrawableAttributesReply(ClientPtr client, + xGLXGetDrawableAttributesReply *reply, CARD32 *buf) +{ + int length = reply->length; + __GLX_DECLARE_SWAP_VARIABLES; + __GLX_DECLARE_SWAP_ARRAY_VARIABLES; + __GLX_SWAP_SHORT(&reply->sequenceNumber); + __GLX_SWAP_INT(&reply->length); + __GLX_SWAP_INT(&reply->numAttribs); + WriteToClient(client, sz_xGLXGetDrawableAttributesReply, (char *)reply); + __GLX_SWAP_INT_ARRAY((int *)buf, length); + WriteToClient(client, length << 2, (char *)buf); +} + +/************************************************************************/ + +/* +** Render and Renderlarge are not in the GLX API. They are used by the GLX +** client library to send batches of GL rendering commands. +*/ + +int __glXDispSwap_Render(__GLXclientState *cl, GLbyte *pc) +{ + return __glXDisp_Render(cl, pc); +} + +/* +** Execute a large rendering request (one that spans multiple X requests). +*/ +int __glXDispSwap_RenderLarge(__GLXclientState *cl, GLbyte *pc) +{ + return __glXDisp_RenderLarge(cl, pc); +} + +/************************************************************************/ + +/* +** No support is provided for the vendor-private requests other than +** allocating these entry points in the dispatch table. +*/ + +int __glXDispSwap_VendorPrivate(__GLXclientState *cl, GLbyte *pc) +{ + xGLXVendorPrivateReq *req; + GLint vendorcode; + __GLXdispatchVendorPrivProcPtr proc; + + __GLX_DECLARE_SWAP_VARIABLES; + + req = (xGLXVendorPrivateReq *) pc; + __GLX_SWAP_SHORT(&req->length); + __GLX_SWAP_INT(&req->vendorCode); + + vendorcode = req->vendorCode; + + proc = (__GLXdispatchVendorPrivProcPtr) + __glXGetProtocolDecodeFunction(& VendorPriv_dispatch_info, + vendorcode, 1); + if (proc != NULL) { + (*proc)(cl, (GLbyte*)req); + return Success; + } + + cl->client->errorValue = req->vendorCode; + return __glXError(GLXUnsupportedPrivateRequest); +} + + +int __glXDispSwap_VendorPrivateWithReply(__GLXclientState *cl, GLbyte *pc) +{ + xGLXVendorPrivateWithReplyReq *req; + GLint vendorcode; + __GLXdispatchVendorPrivProcPtr proc; + + __GLX_DECLARE_SWAP_VARIABLES; + + req = (xGLXVendorPrivateWithReplyReq *) pc; + __GLX_SWAP_SHORT(&req->length); + __GLX_SWAP_INT(&req->vendorCode); + + vendorcode = req->vendorCode; + + proc = (__GLXdispatchVendorPrivProcPtr) + __glXGetProtocolDecodeFunction(& VendorPriv_dispatch_info, + vendorcode, 1); + if (proc != NULL) { + return (*proc)(cl, (GLbyte*)req); + } + + cl->client->errorValue = req->vendorCode; + return __glXError(GLXUnsupportedPrivateRequest); +} diff --git a/xorg-server/glx/xfont.c b/xorg-server/glx/xfont.c index 9cd440a85..84a301f9b 100644 --- a/xorg-server/glx/xfont.c +++ b/xorg-server/glx/xfont.c @@ -1,184 +1,186 @@ -/* - * 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_DIX_CONFIG_H -#include -#endif - -#include "glxserver.h" -#include "glxutil.h" -#include "unpack.h" -#include "glapitable.h" -#include "glapi.h" -#include "glthread.h" -#include "dispatch.h" -#include "indirect_dispatch.h" -#include -#include -#include -#include - -/* -** Make a single GL bitmap from a single X glyph -*/ -static int __glXMakeBitmapFromGlyph(FontPtr font, CharInfoPtr pci) -{ - int i, j; - int widthPadded; /* width of glyph in bytes, as padded by X */ - int allocBytes; /* bytes to allocate to store bitmap */ - int w; /* width of glyph in bits */ - int h; /* height of glyph */ - register unsigned char *pglyph; - register unsigned char *p; - unsigned char *allocbuf; -#define __GL_CHAR_BUF_SIZE 2048 - unsigned char buf[__GL_CHAR_BUF_SIZE]; - - w = GLYPHWIDTHPIXELS(pci); - h = GLYPHHEIGHTPIXELS(pci); - widthPadded = GLYPHWIDTHBYTESPADDED(pci); - - /* - ** Use the local buf if possible, otherwise malloc. - */ - allocBytes = widthPadded * h; - if (allocBytes <= __GL_CHAR_BUF_SIZE) { - p = buf; - allocbuf = 0; - } else { - p = (unsigned char *) malloc(allocBytes); - if (!p) - return BadAlloc; - allocbuf = p; - } - - /* - ** We have to reverse the picture, top to bottom - */ - - pglyph = FONTGLYPHBITS(FONTGLYPHS(font), pci) + (h-1)*widthPadded; - for (j=0; j < h; j++) { - for (i=0; i < widthPadded; i++) { - p[i] = pglyph[i]; - } - pglyph -= widthPadded; - p += widthPadded; - } - CALL_Bitmap( GET_DISPATCH(), (w, h, -pci->metrics.leftSideBearing, - pci->metrics.descent, - pci->metrics.characterWidth, 0, - allocbuf ? allocbuf : buf) ); - - free(allocbuf); - return Success; -#undef __GL_CHAR_BUF_SIZE -} - -/* -** Create a GL bitmap for each character in the X font. The bitmap is stored -** in a display list. -*/ - -static int -MakeBitmapsFromFont(FontPtr pFont, int first, int count, int list_base) -{ - unsigned long i, nglyphs; - CARD8 chs[2]; /* the font index we are going after */ - CharInfoPtr pci; - int rv; /* return value */ - int encoding = (FONTLASTROW(pFont) == 0) ? Linear16Bit : TwoD16Bit; - - CALL_PixelStorei( GET_DISPATCH(), (GL_UNPACK_SWAP_BYTES, FALSE) ); - CALL_PixelStorei( GET_DISPATCH(), (GL_UNPACK_LSB_FIRST, BITMAP_BIT_ORDER == LSBFirst) ); - CALL_PixelStorei( GET_DISPATCH(), (GL_UNPACK_ROW_LENGTH, 0) ); - CALL_PixelStorei( GET_DISPATCH(), (GL_UNPACK_SKIP_ROWS, 0) ); - CALL_PixelStorei( GET_DISPATCH(), (GL_UNPACK_SKIP_PIXELS, 0) ); - CALL_PixelStorei( GET_DISPATCH(), (GL_UNPACK_ALIGNMENT, GLYPHPADBYTES) ); - for (i=0; i < count; i++) { - chs[0] = (first + i) >> 8; /* high byte is first byte */ - chs[1] = first + i; - - (*pFont->get_glyphs)(pFont, 1, chs, (FontEncoding)encoding, - &nglyphs, &pci); - - /* - ** Define a display list containing just a glBitmap() call. - */ - CALL_NewList( GET_DISPATCH(), (list_base + i, GL_COMPILE) ); - if (nglyphs ) { - rv = __glXMakeBitmapFromGlyph(pFont, pci); - if (rv) { - return rv; - } - } - CALL_EndList( GET_DISPATCH(), () ); - } - return Success; -} - -/************************************************************************/ - -int __glXDisp_UseXFont(__GLXclientState *cl, GLbyte *pc) -{ - ClientPtr client = cl->client; - xGLXUseXFontReq *req; - FontPtr pFont; - GLuint currentListIndex; - __GLXcontext *cx; - int error; - - req = (xGLXUseXFontReq *) pc; - cx = __glXForceCurrent(cl, req->contextTag, &error); - if (!cx) { - return error; - } - - CALL_GetIntegerv( GET_DISPATCH(), (GL_LIST_INDEX, (GLint*) ¤tListIndex) ); - if (currentListIndex != 0) { - /* - ** A display list is currently being made. It is an error - ** to try to make a font during another lists construction. - */ - client->errorValue = cx->id; - return __glXError(GLXBadContextState); - } - - /* - ** Font can actually be either the ID of a font or the ID of a GC - ** containing a font. - */ - - error = dixLookupFontable(&pFont, req->font, client, DixReadAccess); - if (error != Success) - return error; - - return MakeBitmapsFromFont(pFont, req->first, req->count, - req->listBase); -} +/* + * 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_DIX_CONFIG_H +#include +#endif + +#include "glxserver.h" +#include "glxutil.h" +#include "unpack.h" +#include "glapitable.h" +#include "glapi.h" +#include "glthread.h" +#include "dispatch.h" +#include "indirect_dispatch.h" +#include +#include +#include +#include + +/* +** Make a single GL bitmap from a single X glyph +*/ +static int __glXMakeBitmapFromGlyph(FontPtr font, CharInfoPtr pci) +{ + int i, j; + int widthPadded; /* width of glyph in bytes, as padded by X */ + int allocBytes; /* bytes to allocate to store bitmap */ + int w; /* width of glyph in bits */ + int h; /* height of glyph */ + register unsigned char *pglyph; + register unsigned char *p; + unsigned char *allocbuf; +#define __GL_CHAR_BUF_SIZE 2048 + unsigned char buf[__GL_CHAR_BUF_SIZE]; + + w = GLYPHWIDTHPIXELS(pci); + h = GLYPHHEIGHTPIXELS(pci); + widthPadded = GLYPHWIDTHBYTESPADDED(pci); + + /* + ** Use the local buf if possible, otherwise malloc. + */ + allocBytes = widthPadded * h; + if (allocBytes <= __GL_CHAR_BUF_SIZE) { + p = buf; + allocbuf = 0; + } else { + p = (unsigned char *) malloc(allocBytes); + if (!p) + return BadAlloc; + allocbuf = p; + } + + /* + ** We have to reverse the picture, top to bottom + */ + + pglyph = FONTGLYPHBITS(FONTGLYPHS(font), pci) + (h-1)*widthPadded; + for (j=0; j < h; j++) { + for (i=0; i < widthPadded; i++) { + p[i] = pglyph[i]; + } + pglyph -= widthPadded; + p += widthPadded; + } + CALL_Bitmap( GET_DISPATCH(), (w, h, -pci->metrics.leftSideBearing, + pci->metrics.descent, + pci->metrics.characterWidth, 0, + allocbuf ? allocbuf : buf) ); + + free(allocbuf); + return Success; +#undef __GL_CHAR_BUF_SIZE +} + +/* +** Create a GL bitmap for each character in the X font. The bitmap is stored +** in a display list. +*/ + +static int +MakeBitmapsFromFont(FontPtr pFont, int first, int count, int list_base) +{ + unsigned long i, nglyphs; + CARD8 chs[2]; /* the font index we are going after */ + CharInfoPtr pci; + int rv; /* return value */ + int encoding = (FONTLASTROW(pFont) == 0) ? Linear16Bit : TwoD16Bit; + + CALL_PixelStorei( GET_DISPATCH(), (GL_UNPACK_SWAP_BYTES, FALSE) ); + CALL_PixelStorei( GET_DISPATCH(), (GL_UNPACK_LSB_FIRST, BITMAP_BIT_ORDER == LSBFirst) ); + CALL_PixelStorei( GET_DISPATCH(), (GL_UNPACK_ROW_LENGTH, 0) ); + CALL_PixelStorei( GET_DISPATCH(), (GL_UNPACK_SKIP_ROWS, 0) ); + CALL_PixelStorei( GET_DISPATCH(), (GL_UNPACK_SKIP_PIXELS, 0) ); + CALL_PixelStorei( GET_DISPATCH(), (GL_UNPACK_ALIGNMENT, GLYPHPADBYTES) ); + for (i=0; i < count; i++) { + chs[0] = (first + i) >> 8; /* high byte is first byte */ + chs[1] = first + i; + + (*pFont->get_glyphs)(pFont, 1, chs, (FontEncoding)encoding, + &nglyphs, &pci); + + /* + ** Define a display list containing just a glBitmap() call. + */ + CALL_NewList( GET_DISPATCH(), (list_base + i, GL_COMPILE) ); + if (nglyphs ) { + rv = __glXMakeBitmapFromGlyph(pFont, pci); + if (rv) { + return rv; + } + } + CALL_EndList( GET_DISPATCH(), () ); + } + return Success; +} + +/************************************************************************/ + +int __glXDisp_UseXFont(__GLXclientState *cl, GLbyte *pc) +{ + ClientPtr client = cl->client; + xGLXUseXFontReq *req; + FontPtr pFont; + GLuint currentListIndex; + __GLXcontext *cx; + int error; + + REQUEST_SIZE_MATCH(xGLXUseXFontReq); + + req = (xGLXUseXFontReq *) pc; + cx = __glXForceCurrent(cl, req->contextTag, &error); + if (!cx) { + return error; + } + + CALL_GetIntegerv( GET_DISPATCH(), (GL_LIST_INDEX, (GLint*) ¤tListIndex) ); + if (currentListIndex != 0) { + /* + ** A display list is currently being made. It is an error + ** to try to make a font during another lists construction. + */ + client->errorValue = cx->id; + return __glXError(GLXBadContextState); + } + + /* + ** Font can actually be either the ID of a font or the ID of a GC + ** containing a font. + */ + + error = dixLookupFontable(&pFont, req->font, client, DixReadAccess); + if (error != Success) + return error; + + return MakeBitmapsFromFont(pFont, req->first, req->count, + req->listBase); +} -- cgit v1.2.3