diff options
Diffstat (limited to 'xorg-server/glx/glxcmds.c')
| -rw-r--r-- | xorg-server/glx/glxcmds.c | 2107 |
1 files changed, 1089 insertions, 1018 deletions
diff --git a/xorg-server/glx/glxcmds.c b/xorg-server/glx/glxcmds.c index d5b764fd0..24fed8f63 100644 --- a/xorg-server/glx/glxcmds.c +++ b/xorg-server/glx/glxcmds.c @@ -51,15 +51,16 @@ #include "indirect_util.h" static int -validGlxScreen(ClientPtr client, int screen, __GLXscreen **pGlxScreen, int *err) +validGlxScreen(ClientPtr client, int screen, __GLXscreen ** pGlxScreen, + int *err) { /* - ** Check if screen exists. - */ + ** Check if screen exists. + */ if (screen < 0 || screen >= screenInfo.numScreens) { - client->errorValue = screen; - *err = BadValue; - return FALSE; + client->errorValue = screen; + *err = BadValue; + return FALSE; } *pGlxScreen = glxGetScreen(screenInfo.screens[screen]); @@ -67,16 +68,16 @@ validGlxScreen(ClientPtr client, int screen, __GLXscreen **pGlxScreen, int *err) } static int -validGlxFBConfig(ClientPtr client, __GLXscreen *pGlxScreen, XID id, - __GLXconfig **config, int *err) +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; - } + if (m->fbconfigID == id) { + *config = m; + return TRUE; + } client->errorValue = id; *err = __glXError(GLXBadFBConfig); @@ -85,16 +86,16 @@ validGlxFBConfig(ClientPtr client, __GLXscreen *pGlxScreen, XID id, } static int -validGlxVisual(ClientPtr client, __GLXscreen *pGlxScreen, XID id, - __GLXconfig **config, int *err) +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; - } + if (pGlxScreen->visuals[i]->visualID == id) { + *config = pGlxScreen->visuals[i]; + return TRUE; + } client->errorValue = id; *err = BadValue; @@ -103,28 +104,28 @@ validGlxVisual(ClientPtr client, __GLXscreen *pGlxScreen, XID id, } static int -validGlxFBConfigForWindow(ClientPtr client, __GLXconfig *config, - DrawablePtr pDraw, int *err) +validGlxFBConfigForWindow(ClientPtr client, __GLXconfig * config, + DrawablePtr pDraw, int *err) { ScreenPtr pScreen = pDraw->pScreen; VisualPtr pVisual = NULL; XID vid; int i; - vid = wVisual((WindowPtr)pDraw); + vid = wVisual((WindowPtr) pDraw); for (i = 0; i < pScreen->numVisuals; i++) { - if (pScreen->visuals[i].vid == vid) { - pVisual = &pScreen->visuals[i]; - break; - } + 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; + !(config->drawableType & GLX_WINDOW_BIT)) { + client->errorValue = pDraw->id; + *err = BadMatch; + return FALSE; } return TRUE; @@ -132,15 +133,15 @@ validGlxFBConfigForWindow(ClientPtr client, __GLXconfig *config, static int validGlxContext(ClientPtr client, XID id, int access_mode, - __GLXcontext **context, int *err) + __GLXcontext ** context, int *err) { *err = dixLookupResourceByType((pointer *) context, id, - __glXContextRes, client, access_mode); + __glXContextRes, client, access_mode); if (*err != Success || (*context)->idExists == GL_FALSE) { - client->errorValue = id; - if (*err == BadValue || *err == Success) - *err = __glXError(GLXBadContext); - return FALSE; + client->errorValue = id; + if (*err == BadValue || *err == Success) + *err = __glXError(GLXBadContext); + return FALSE; } return TRUE; @@ -148,65 +149,66 @@ validGlxContext(ClientPtr client, XID id, int access_mode, static int validGlxDrawable(ClientPtr client, XID id, int type, int access_mode, - __GLXdrawable **drawable, int *err) + __GLXdrawable ** drawable, int *err) { int rc; rc = dixLookupResourceByType((pointer *) drawable, id, - __glXDrawableRes, client, access_mode); + __glXDrawableRes, client, access_mode); if (rc != Success && rc != BadValue) { - *err = rc; - client->errorValue = id; - return FALSE; + *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; - } + (*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) +__glXContextDestroy(__GLXcontext * context) { __glXFlushContextCache(); } -static void __glXdirectContextDestroy(__GLXcontext *context) +static void +__glXdirectContextDestroy(__GLXcontext * context) { __glXContextDestroy(context); free(context); } -static __GLXcontext *__glXdirectContextCreate(__GLXscreen *screen, - __GLXconfig *modes, - __GLXcontext *shareContext) +static __GLXcontext * +__glXdirectContextCreate(__GLXscreen * screen, + __GLXconfig * modes, __GLXcontext * shareContext) { __GLXcontext *context; - context = calloc(1, sizeof (__GLXcontext)); + context = calloc(1, sizeof(__GLXcontext)); if (context == NULL) - return NULL; + return NULL; context->destroy = __glXdirectContextDestroy; @@ -222,84 +224,86 @@ static __GLXcontext *__glXdirectContextCreate(__GLXscreen *screen, */ static int -DoCreateContext(__GLXclientState *cl, GLXContextID gcId, - GLXContextID shareList, __GLXconfig *config, - __GLXscreen *pGlxScreen, GLboolean isDirect) +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. - */ + ** 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. - */ + 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; + 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; - } + } + 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 - */ + ** Allocate memory for the new context + */ if (!isDirect) - glxc = pGlxScreen->createContext(pGlxScreen, config, shareglxc); + glxc = pGlxScreen->createContext(pGlxScreen, config, shareglxc); else - glxc = __glXdirectContextCreate(pGlxScreen, config, shareglxc); + glxc = __glXdirectContextCreate(pGlxScreen, config, shareglxc); if (!glxc) { - return BadAlloc; + return BadAlloc; } /* - ** Initially, setup the part of the context that could be used by - ** a GL core that needs windowing information (e.g., Mesa). - */ + ** 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; - } - + ** 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. - */ + ** Finally, now that everything is working, setup the rest of the + ** context. + */ glxc->id = gcId; glxc->share_id = shareList; glxc->idExists = GL_TRUE; @@ -312,7 +316,8 @@ DoCreateContext(__GLXclientState *cl, GLXContextID gcId, return Success; } -int __glXDisp_CreateContext(__GLXclientState *cl, GLbyte *pc) +int +__glXDisp_CreateContext(__GLXclientState * cl, GLbyte * pc) { ClientPtr client = cl->client; xGLXCreateContextReq *req = (xGLXCreateContextReq *) pc; @@ -323,15 +328,16 @@ int __glXDisp_CreateContext(__GLXclientState *cl, GLbyte *pc) REQUEST_SIZE_MATCH(xGLXCreateContextReq); if (!validGlxScreen(cl->client, req->screen, &pGlxScreen, &err)) - return err; + return err; if (!validGlxVisual(cl->client, pGlxScreen, req->visual, &config, &err)) - return err; + return err; return DoCreateContext(cl, req->context, req->shareList, - config, pGlxScreen, req->isDirect); + config, pGlxScreen, req->isDirect); } -int __glXDisp_CreateNewContext(__GLXclientState *cl, GLbyte *pc) +int +__glXDisp_CreateNewContext(__GLXclientState * cl, GLbyte * pc) { ClientPtr client = cl->client; xGLXCreateNewContextReq *req = (xGLXCreateNewContextReq *) pc; @@ -342,19 +348,20 @@ int __glXDisp_CreateNewContext(__GLXclientState *cl, GLbyte *pc) REQUEST_SIZE_MATCH(xGLXCreateNewContextReq); if (!validGlxScreen(cl->client, req->screen, &pGlxScreen, &err)) - return err; + return err; if (!validGlxFBConfig(cl->client, pGlxScreen, req->fbconfig, &config, &err)) - return err; + return err; return DoCreateContext(cl, req->context, req->shareList, - config, pGlxScreen, req->isDirect); + config, pGlxScreen, req->isDirect); } -int __glXDisp_CreateContextWithConfigSGIX(__GLXclientState *cl, GLbyte *pc) +int +__glXDisp_CreateContextWithConfigSGIX(__GLXclientState * cl, GLbyte * pc) { ClientPtr client = cl->client; - xGLXCreateContextWithConfigSGIXReq *req = - (xGLXCreateContextWithConfigSGIXReq *) pc; + xGLXCreateContextWithConfigSGIXReq *req = + (xGLXCreateContextWithConfigSGIXReq *) pc; __GLXconfig *config; __GLXscreen *pGlxScreen; int err; @@ -362,15 +369,16 @@ int __glXDisp_CreateContextWithConfigSGIX(__GLXclientState *cl, GLbyte *pc) REQUEST_SIZE_MATCH(xGLXCreateContextWithConfigSGIXReq); if (!validGlxScreen(cl->client, req->screen, &pGlxScreen, &err)) - return err; + return err; if (!validGlxFBConfig(cl->client, pGlxScreen, req->fbconfig, &config, &err)) - return err; + return err; return DoCreateContext(cl, req->context, req->shareList, - config, pGlxScreen, req->isDirect); + config, pGlxScreen, req->isDirect); } -int __glXDisp_DestroyContext(__GLXclientState *cl, GLbyte *pc) +int +__glXDisp_DestroyContext(__GLXclientState * cl, GLbyte * pc) { ClientPtr client = cl->client; xGLXDestroyContextReq *req = (xGLXDestroyContextReq *) pc; @@ -380,8 +388,8 @@ int __glXDisp_DestroyContext(__GLXclientState *cl, GLbyte *pc) REQUEST_SIZE_MATCH(xGLXDestroyContextReq); if (!validGlxContext(cl->client, req->context, DixDestroyAccess, - &glxc, &err)) - return err; + &glxc, &err)) + return err; glxc->idExists = GL_FALSE; if (!glxc->isCurrent) @@ -399,11 +407,12 @@ int __glXDisp_DestroyContext(__GLXclientState *cl, GLbyte *pc) * way to destruction. Notice that DoMakeCurrent calls validGlxContext * for new contexts but __glXLookupContextByTag for previous contexts. */ -__GLXcontext *__glXLookupContextByTag(__GLXclientState *cl, GLXContextTag tag) +__GLXcontext * +__glXLookupContextByTag(__GLXclientState * cl, GLXContextTag tag) { __GLXcontext *ret; - if (dixLookupResourceByType((void **)&ret, tag, __glXContextRes, + if (dixLookupResourceByType((void **) &ret, tag, __glXContextRes, cl->client, DixUseAccess) == Success) return ret; @@ -412,24 +421,26 @@ __GLXcontext *__glXLookupContextByTag(__GLXclientState *cl, GLXContextTag tag) /*****************************************************************************/ -static void StopUsingContext(__GLXcontext *glxc) +static void +StopUsingContext(__GLXcontext * glxc) { if (glxc) { - if (glxc == __glXLastContext) { - /* Tell server GL library */ - __glXLastContext = 0; - } - glxc->isCurrent = GL_FALSE; - if (!glxc->idExists) { + if (glxc == __glXLastContext) { + /* Tell server GL library */ + __glXLastContext = 0; + } + glxc->isCurrent = GL_FALSE; + if (!glxc->idExists) { FreeResourceByType(glxc->id, __glXContextRes, FALSE); - } + } } } -static void StartUsingContext(__GLXclientState *cl, __GLXcontext *glxc) +static void +StartUsingContext(__GLXclientState * cl, __GLXcontext * glxc) { glxc->isCurrent = GL_TRUE; - __glXLastContext = glxc; + __glXLastContext = glxc; } /** @@ -439,29 +450,29 @@ static void StartUsingContext(__GLXclientState *cl, __GLXcontext *glxc) * 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) +__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; - } + DixWriteAccess, &pGlxDraw, &rc)) { + if (glxc != NULL && pGlxDraw->config != glxc->config) { + client->errorValue = drawId; + *error = BadMatch; + return NULL; + } - return pGlxDraw; + return pGlxDraw; } /* No active context and an unknown drawable, bail. */ if (glxc == NULL) { - client->errorValue = drawId; - *error = BadMatch; - return NULL; + client->errorValue = drawId; + *error = BadMatch; + return NULL; } /* The drawId wasn't a GLX drawable. Make sure it's a window and @@ -471,30 +482,30 @@ __glXGetDrawable(__GLXcontext *glxc, GLXDrawable drawId, ClientPtr client, rc = dixLookupDrawable(&pDraw, drawId, client, 0, DixGetAttrAccess); if (rc != Success || pDraw->type != DRAWABLE_WINDOW) { - client->errorValue = drawId; - *error = __glXError(GLXBadDrawable); - return NULL; + client->errorValue = drawId; + *error = __glXError(GLXBadDrawable); + return NULL; } if (pDraw->pScreen != glxc->pGlxScreen->pScreen) { - client->errorValue = pDraw->pScreen->myNum; - *error = BadMatch; - return NULL; + client->errorValue = pDraw->pScreen->myNum; + *error = BadMatch; + return NULL; } if (!validGlxFBConfigForWindow(client, glxc->config, pDraw, error)) - return NULL; + return NULL; pGlxDraw = glxc->pGlxScreen->createDrawable(client, glxc->pGlxScreen, - pDraw, drawId, - GLX_DRAWABLE_WINDOW, - drawId, glxc->config); + 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; + pGlxDraw->destroy(pGlxDraw); + *error = BadAlloc; + return NULL; } return pGlxDraw; @@ -506,9 +517,9 @@ __glXGetDrawable(__GLXcontext *glxc, GLXDrawable drawId, ClientPtr client, */ static int -DoMakeCurrent(__GLXclientState *cl, - GLXDrawable drawId, GLXDrawable readId, - GLXContextID contextId, GLXContextTag tag) +DoMakeCurrent(__GLXclientState * cl, + GLXDrawable drawId, GLXDrawable readId, + GLXContextID contextId, GLXContextTag tag) { ClientPtr client = cl->client; xGLXMakeCurrentReply reply; @@ -516,121 +527,123 @@ DoMakeCurrent(__GLXclientState *cl, __GLXdrawable *drawPriv = NULL; __GLXdrawable *readPriv = NULL; int error; - GLuint mask; + GLuint mask; /* - ** If one is None and the other isn't, it's a bad match. - */ + ** 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 = (drawId == None) ? (1 << 0) : 0; + mask |= (readId == None) ? (1 << 1) : 0; mask |= (contextId == None) ? (1 << 2) : 0; - if ( (mask != 0x00) && (mask != 0x07) ) { - return BadMatch; + if ((mask != 0x00) && (mask != 0x07)) { + return BadMatch; } - + /* - ** Lookup old context. If we have one, it must be in a usable state. - */ + ** 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; + 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. - */ + ** Lookup new context. It must not be current for someone else. + */ if (contextId != None) { - int status; + int status; - if (!validGlxContext(client, contextId, DixUseAccess, &glxc, &error)) - return error; - if ((glxc != prevglxc) && glxc->isCurrent) { - /* Context is current to somebody else */ - return BadAccess; - } + 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 ); + assert(drawId != None); + assert(readId != None); - drawPriv = __glXGetDrawable(glxc, drawId, client, &status); - if (drawPriv == NULL) - return status; + drawPriv = __glXGetDrawable(glxc, drawId, client, &status); + if (drawPriv == NULL) + return status; - readPriv = __glXGetDrawable(glxc, readId, client, &status); - if (readPriv == 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; } - + else { + /* Switching to no context. Ignore new drawable. */ + glxc = 0; + drawPriv = 0; + readPriv = 0; + } if (prevglxc) { - /* - ** Flush the previous context if needed. - */ - if (prevglxc->hasUnflushedCommands) { - if (__glXForceCurrent(cl, tag, (int *)&error)) { - CALL_Flush( GET_DISPATCH(), () ); - prevglxc->hasUnflushedCommands = GL_FALSE; - } 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; - } - } - + /* + ** Flush the previous context if needed. + */ + if (prevglxc->hasUnflushedCommands) { + if (__glXForceCurrent(cl, tag, (int *) &error)) { + CALL_Flush(GET_DISPATCH(), ()); + prevglxc->hasUnflushedCommands = GL_FALSE; + } + 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; + glxc->drawPriv = drawPriv; + glxc->readPriv = readPriv; - /* make the context current */ - if (!(*glxc->makeCurrent)(glxc)) { - glxc->drawPriv = NULL; - glxc->readPriv = NULL; - return __glXError(GLXBadContext); - } + /* make the context current */ + if (!(*glxc->makeCurrent) (glxc)) { + glxc->drawPriv = NULL; + glxc->readPriv = NULL; + return __glXError(GLXBadContext); + } - glxc->isCurrent = GL_TRUE; + glxc->isCurrent = GL_TRUE; } StopUsingContext(prevglxc); if (glxc) { - StartUsingContext(cl, glxc); - reply.contextTag = glxc->id; - } else { - reply.contextTag = 0; + StartUsingContext(cl, glxc); + reply.contextTag = glxc->id; + } + else { + reply.contextTag = 0; } reply.length = 0; @@ -638,47 +651,52 @@ DoMakeCurrent(__GLXclientState *cl, reply.sequenceNumber = client->sequence; if (client->swapped) { - __glXSwapMakeCurrentReply(client, &reply); - } else { - WriteToClient(client, sz_xGLXMakeCurrentReply, (char *)&reply); + __glXSwapMakeCurrentReply(client, &reply); + } + else { + WriteToClient(client, sz_xGLXMakeCurrentReply, (char *) &reply); } return Success; } -int __glXDisp_MakeCurrent(__GLXclientState *cl, GLbyte *pc) +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 ); + return DoMakeCurrent(cl, req->drawable, req->drawable, + req->context, req->oldContextTag); } -int __glXDisp_MakeContextCurrent(__GLXclientState *cl, GLbyte *pc) +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 ); + return DoMakeCurrent(cl, req->drawable, req->readdrawable, + req->context, req->oldContextTag); } -int __glXDisp_MakeCurrentReadSGI(__GLXclientState *cl, GLbyte *pc) +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 ); + return DoMakeCurrent(cl, req->drawable, req->readable, + req->context, req->oldContextTag); } -int __glXDisp_IsDirect(__GLXclientState *cl, GLbyte *pc) +int +__glXDisp_IsDirect(__GLXclientState * cl, GLbyte * pc) { ClientPtr client = cl->client; xGLXIsDirectReq *req = (xGLXIsDirectReq *) pc; @@ -689,7 +707,7 @@ int __glXDisp_IsDirect(__GLXclientState *cl, GLbyte *pc) REQUEST_SIZE_MATCH(xGLXIsDirectReq); if (!validGlxContext(cl->client, req->context, DixReadAccess, &glxc, &err)) - return err; + return err; reply.isDirect = glxc->isDirect; reply.length = 0; @@ -697,15 +715,17 @@ int __glXDisp_IsDirect(__GLXclientState *cl, GLbyte *pc) reply.sequenceNumber = client->sequence; if (client->swapped) { - __glXSwapIsDirectReply(client, &reply); - } else { - WriteToClient(client, sz_xGLXIsDirectReply, (char *)&reply); + __glXSwapIsDirectReply(client, &reply); + } + else { + WriteToClient(client, sz_xGLXIsDirectReply, (char *) &reply); } return Success; } -int __glXDisp_QueryVersion(__GLXclientState *cl, GLbyte *pc) +int +__glXDisp_QueryVersion(__GLXclientState * cl, GLbyte * pc) { ClientPtr client = cl->client; xGLXQueryVersionReq *req = (xGLXQueryVersionReq *) pc; @@ -716,14 +736,14 @@ int __glXDisp_QueryVersion(__GLXclientState *cl, GLbyte *pc) major = req->majorVersion; minor = req->minorVersion; - (void)major; - (void)minor; + (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. - */ + ** 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; @@ -731,17 +751,19 @@ int __glXDisp_QueryVersion(__GLXclientState *cl, GLbyte *pc) reply.sequenceNumber = client->sequence; if (client->swapped) { - __glXSwapQueryVersionReply(client, &reply); - } else { - WriteToClient(client, sz_xGLXQueryVersionReply, (char *)&reply); + __glXSwapQueryVersionReply(client, &reply); + } + else { + WriteToClient(client, sz_xGLXQueryVersionReply, (char *) &reply); } return Success; } -int __glXDisp_WaitGL(__GLXclientState *cl, GLbyte *pc) +int +__glXDisp_WaitGL(__GLXclientState * cl, GLbyte * pc) { ClientPtr client = cl->client; - xGLXWaitGLReq *req = (xGLXWaitGLReq *)pc; + xGLXWaitGLReq *req = (xGLXWaitGLReq *) pc; GLXContextTag tag; __GLXcontext *glxc = NULL; int error; @@ -750,26 +772,27 @@ int __glXDisp_WaitGL(__GLXclientState *cl, GLbyte *pc) tag = req->contextTag; if (tag) { - glxc = __glXLookupContextByTag(cl, tag); - if (!glxc) - return __glXError(GLXBadContextTag); - - if (!__glXForceCurrent(cl, req->contextTag, &error)) - return error; + glxc = __glXLookupContextByTag(cl, tag); + if (!glxc) + return __glXError(GLXBadContextTag); + + if (!__glXForceCurrent(cl, req->contextTag, &error)) + return error; - CALL_Finish( GET_DISPATCH(), () ); + CALL_Finish(GET_DISPATCH(), ()); } if (glxc && glxc->drawPriv->waitGL) - (*glxc->drawPriv->waitGL)(glxc->drawPriv); + (*glxc->drawPriv->waitGL) (glxc->drawPriv); return Success; } -int __glXDisp_WaitX(__GLXclientState *cl, GLbyte *pc) +int +__glXDisp_WaitX(__GLXclientState * cl, GLbyte * pc) { ClientPtr client = cl->client; - xGLXWaitXReq *req = (xGLXWaitXReq *)pc; + xGLXWaitXReq *req = (xGLXWaitXReq *) pc; GLXContextTag tag; __GLXcontext *glxc = NULL; int error; @@ -778,21 +801,22 @@ int __glXDisp_WaitX(__GLXclientState *cl, GLbyte *pc) tag = req->contextTag; if (tag) { - glxc = __glXLookupContextByTag(cl, tag); - if (!glxc) - return __glXError(GLXBadContextTag); - - if (!__glXForceCurrent(cl, req->contextTag, &error)) - return error; + 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); + (*glxc->drawPriv->waitX) (glxc->drawPriv); return Success; } -int __glXDisp_CopyContext(__GLXclientState *cl, GLbyte *pc) +int +__glXDisp_CopyContext(__GLXclientState * cl, GLbyte * pc) { ClientPtr client = cl->client; xGLXCopyContextReq *req = (xGLXCopyContextReq *) pc; @@ -810,62 +834,62 @@ int __glXDisp_CopyContext(__GLXclientState *cl, GLbyte *pc) tag = req->contextTag; mask = req->mask; if (!validGlxContext(cl->client, source, DixReadAccess, &src, &error)) - return error; + return error; if (!validGlxContext(cl->client, dest, DixWriteAccess, &dst, &error)) - return 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; + ** 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. - */ + ** The destination context must not be current for any client. + */ if (dst->isCurrent) { - client->errorValue = dest; - return BadAccess; + 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(), () ); - tagcx->hasUnflushedCommands = GL_FALSE; - } else { - return error; - } + __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(), ()); + tagcx->hasUnflushedCommands = GL_FALSE; + } + 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; + ** Issue copy. The only reason for failure is a bad mask. + */ + if (!(*dst->copy) (dst, src, mask)) { + client->errorValue = mask; + return BadValue; } return Success; } @@ -879,7 +903,8 @@ enum { GLX_VIS_CONFIG_TOTAL = GLX_VIS_CONFIG_UNPAIRED + GLX_VIS_CONFIG_PAIRED }; -int __glXDisp_GetVisualConfigs(__GLXclientState *cl, GLbyte *pc) +int +__glXDisp_GetVisualConfigs(__GLXclientState * cl, GLbyte * pc) { xGLXGetVisualConfigsReq *req = (xGLXGetVisualConfigsReq *) pc; ClientPtr client = cl->client; @@ -888,85 +913,87 @@ int __glXDisp_GetVisualConfigs(__GLXclientState *cl, GLbyte *pc) __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; + 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.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); + __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); + 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); + 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; } @@ -984,7 +1011,7 @@ int __glXDisp_GetVisualConfigs(__GLXclientState *cl, GLbyte *pc) */ static int -DoGetFBConfigs(__GLXclientState *cl, unsigned screen) +DoGetFBConfigs(__GLXclientState * cl, unsigned screen) { ClientPtr client = cl->client; xGLXGetFBConfigsReply reply; @@ -992,11 +1019,12 @@ DoGetFBConfigs(__GLXclientState *cl, unsigned screen) 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; + return err; reply.numFBConfigs = pGlxScreen->numFBConfigs; reply.numAttribs = __GLX_TOTAL_FBCONFIG_ATTRIBS; @@ -1005,92 +1033,96 @@ DoGetFBConfigs(__GLXclientState *cl, unsigned screen) 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); + __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); + WriteToClient(client, sz_xGLXGetFBConfigsReply, (char *) &reply); for (modes = pGlxScreen->fbconfigs; modes != NULL; modes = modes->next) { - p = 0; + 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); + 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) +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) +int +__glXDisp_GetFBConfigsSGIX(__GLXclientState * cl, GLbyte * pc) { ClientPtr client = cl->client; xGLXGetFBConfigsSGIXReq *req = (xGLXGetFBConfigsSGIXReq *) pc; + /* work around mesa bug, don't use REQUEST_SIZE_MATCH */ REQUEST_AT_LEAST_SIZE(xGLXGetFBConfigsSGIXReq); return DoGetFBConfigs(cl, req->screen); } GLboolean -__glXDrawableInit(__GLXdrawable *drawable, - __GLXscreen *screen, DrawablePtr pDraw, int type, - XID drawId, __GLXconfig *config) +__glXDrawableInit(__GLXdrawable * drawable, + __GLXscreen * screen, DrawablePtr pDraw, int type, + XID drawId, __GLXconfig * config) { drawable->pDraw = pDraw; drawable->type = type; @@ -1102,29 +1134,29 @@ __glXDrawableInit(__GLXdrawable *drawable, } void -__glXDrawableRelease(__GLXdrawable *drawable) +__glXDrawableRelease(__GLXdrawable * drawable) { } -static int -DoCreateGLXDrawable(ClientPtr client, __GLXscreen *pGlxScreen, - __GLXconfig *config, DrawablePtr pDraw, XID drawableId, - XID glxDrawableId, int type) +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; + return BadMatch; pGlxDraw = pGlxScreen->createDrawable(client, pGlxScreen, pDraw, - drawableId, type, - glxDrawableId, config); + drawableId, type, + glxDrawableId, config); if (pGlxDraw == NULL) - return BadAlloc; + return BadAlloc; if (!AddResource(glxDrawableId, __glXDrawableRes, pGlxDraw)) { - pGlxDraw->destroy (pGlxDraw); - return BadAlloc; + pGlxDraw->destroy(pGlxDraw); + return BadAlloc; } /* @@ -1132,17 +1164,17 @@ DoCreateGLXDrawable(ClientPtr client, __GLXscreen *pGlxScreen, * so we get called regardless of destruction order. */ if (drawableId != glxDrawableId && type == GLX_DRAWABLE_WINDOW && - !AddResource(pDraw->id, __glXDrawableRes, pGlxDraw)) { - pGlxDraw->destroy (pGlxDraw); - return BadAlloc; + !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) +DoCreateGLXPixmap(ClientPtr client, __GLXscreen * pGlxScreen, + __GLXconfig * config, XID drawableId, XID glxDrawableId) { DrawablePtr pDraw; int err; @@ -1151,25 +1183,25 @@ DoCreateGLXPixmap(ClientPtr client, __GLXscreen *pGlxScreen, __GLXconfig *config err = dixLookupDrawable(&pDraw, drawableId, client, 0, DixAddAccess); if (err != Success) { - client->errorValue = drawableId; - return err; + client->errorValue = drawableId; + return err; } if (pDraw->type != DRAWABLE_PIXMAP) { - client->errorValue = drawableId; - return BadPixmap; + client->errorValue = drawableId; + return BadPixmap; } err = DoCreateGLXDrawable(client, pGlxScreen, config, pDraw, drawableId, - glxDrawableId, GLX_DRAWABLE_PIXMAP); + glxDrawableId, GLX_DRAWABLE_PIXMAP); - ((PixmapPtr)pDraw)->refcnt++; + ((PixmapPtr) pDraw)->refcnt++; return err; } static void determineTextureTarget(ClientPtr client, XID glxDrawableID, - CARD32 *attribs, CARD32 numAttribs) + CARD32 *attribs, CARD32 numAttribs) { GLenum target = 0; GLenum format = 0; @@ -1177,40 +1209,41 @@ determineTextureTarget(ClientPtr client, XID glxDrawableID, __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; + 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 (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; + 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) +int +__glXDisp_CreateGLXPixmap(__GLXclientState * cl, GLbyte * pc) { ClientPtr client = cl->client; xGLXCreateGLXPixmapReq *req = (xGLXCreateGLXPixmapReq *) pc; @@ -1221,15 +1254,16 @@ int __glXDisp_CreateGLXPixmap(__GLXclientState *cl, GLbyte *pc) REQUEST_SIZE_MATCH(xGLXCreateGLXPixmapReq); if (!validGlxScreen(cl->client, req->screen, &pGlxScreen, &err)) - return err; + return err; if (!validGlxVisual(cl->client, pGlxScreen, req->visual, &config, &err)) - return err; + return err; return DoCreateGLXPixmap(cl->client, pGlxScreen, config, - req->pixmap, req->glxpixmap); + req->pixmap, req->glxpixmap); } -int __glXDisp_CreatePixmap(__GLXclientState *cl, GLbyte *pc) +int +__glXDisp_CreatePixmap(__GLXclientState * cl, GLbyte * pc) { ClientPtr client = cl->client; xGLXCreatePixmapReq *req = (xGLXCreatePixmapReq *) pc; @@ -1239,32 +1273,33 @@ int __glXDisp_CreatePixmap(__GLXclientState *cl, GLbyte *pc) REQUEST_AT_LEAST_SIZE(xGLXCreatePixmapReq); if (req->numAttribs > (UINT32_MAX >> 3)) { - client->errorValue = req->numAttribs; - return BadValue; + client->errorValue = req->numAttribs; + return BadValue; } REQUEST_FIXED_SIZE(xGLXCreatePixmapReq, req->numAttribs << 3); if (!validGlxScreen(cl->client, req->screen, &pGlxScreen, &err)) - return err; + return err; if (!validGlxFBConfig(cl->client, pGlxScreen, req->fbconfig, &config, &err)) - return err; + return err; err = DoCreateGLXPixmap(cl->client, pGlxScreen, config, - req->pixmap, req->glxpixmap); + req->pixmap, req->glxpixmap); if (err != Success) - return err; + return err; determineTextureTarget(cl->client, req->glxpixmap, - (CARD32*) (req + 1), req->numAttribs); + (CARD32 *) (req + 1), req->numAttribs); return Success; } -int __glXDisp_CreateGLXPixmapWithConfigSGIX(__GLXclientState *cl, GLbyte *pc) +int +__glXDisp_CreateGLXPixmapWithConfigSGIX(__GLXclientState * cl, GLbyte * pc) { ClientPtr client = cl->client; - xGLXCreateGLXPixmapWithConfigSGIXReq *req = - (xGLXCreateGLXPixmapWithConfigSGIXReq *) pc; + xGLXCreateGLXPixmapWithConfigSGIXReq *req = + (xGLXCreateGLXPixmapWithConfigSGIXReq *) pc; __GLXconfig *config; __GLXscreen *pGlxScreen; int err; @@ -1272,30 +1307,31 @@ int __glXDisp_CreateGLXPixmapWithConfigSGIX(__GLXclientState *cl, GLbyte *pc) REQUEST_SIZE_MATCH(xGLXCreateGLXPixmapWithConfigSGIXReq); if (!validGlxScreen(cl->client, req->screen, &pGlxScreen, &err)) - return err; + return err; if (!validGlxFBConfig(cl->client, pGlxScreen, req->fbconfig, &config, &err)) - return err; + return err; return DoCreateGLXPixmap(cl->client, pGlxScreen, - config, req->pixmap, req->glxpixmap); + config, req->pixmap, req->glxpixmap); } - -static int DoDestroyDrawable(__GLXclientState *cl, XID glxdrawable, int type) +static int +DoDestroyDrawable(__GLXclientState * cl, XID glxdrawable, int type) { __GLXdrawable *pGlxDraw; int err; if (!validGlxDrawable(cl->client, glxdrawable, type, - DixDestroyAccess, &pGlxDraw, &err)) - return err; + DixDestroyAccess, &pGlxDraw, &err)) + return err; FreeResource(glxdrawable, FALSE); return Success; } -int __glXDisp_DestroyGLXPixmap(__GLXclientState *cl, GLbyte *pc) +int +__glXDisp_DestroyGLXPixmap(__GLXclientState * cl, GLbyte * pc) { ClientPtr client = cl->client; xGLXDestroyGLXPixmapReq *req = (xGLXDestroyGLXPixmapReq *) pc; @@ -1305,7 +1341,8 @@ int __glXDisp_DestroyGLXPixmap(__GLXclientState *cl, GLbyte *pc) return DoDestroyDrawable(cl, req->glxpixmap, GLX_DRAWABLE_PIXMAP); } -int __glXDisp_DestroyPixmap(__GLXclientState *cl, GLbyte *pc) +int +__glXDisp_DestroyPixmap(__GLXclientState * cl, GLbyte * pc) { ClientPtr client = cl->client; xGLXDestroyPixmapReq *req = (xGLXDestroyPixmapReq *) pc; @@ -1319,23 +1356,24 @@ int __glXDisp_DestroyPixmap(__GLXclientState *cl, GLbyte *pc) static int DoCreatePbuffer(ClientPtr client, int screenNum, XID fbconfigId, - int width, int height, XID glxDrawableId) + int width, int height, XID glxDrawableId) { - __GLXconfig *config; - __GLXscreen *pGlxScreen; - PixmapPtr pPixmap; - int err; + __GLXconfig *config; + __GLXscreen *pGlxScreen; + PixmapPtr pPixmap; + int err; LEGAL_NEW_RESOURCE(glxDrawableId, client); if (!validGlxScreen(client, screenNum, &pGlxScreen, &err)) - return err; + return err; if (!validGlxFBConfig(client, pGlxScreen, fbconfigId, &config, &err)) - return err; + return err; __glXenterServer(GL_FALSE); pPixmap = (*pGlxScreen->pScreen->CreatePixmap) (pGlxScreen->pScreen, - width, height, config->rgbBits, 0); + width, height, + config->rgbBits, 0); __glXleaveServer(GL_FALSE); /* Assign the pixmap the same id as the pbuffer and add it as a @@ -1343,24 +1381,25 @@ DoCreatePbuffer(ClientPtr client, int screenNum, XID fbconfigId, * pbuffer is destroyed. */ pPixmap->drawable.id = glxDrawableId; if (!AddResource(pPixmap->drawable.id, RT_PIXMAP, pPixmap)) - return BadAlloc; + return BadAlloc; return DoCreateGLXDrawable(client, pGlxScreen, config, &pPixmap->drawable, - glxDrawableId, glxDrawableId, - GLX_DRAWABLE_PBUFFER); + glxDrawableId, glxDrawableId, + GLX_DRAWABLE_PBUFFER); } -int __glXDisp_CreatePbuffer(__GLXclientState *cl, GLbyte *pc) +int +__glXDisp_CreatePbuffer(__GLXclientState * cl, GLbyte * pc) { ClientPtr client = cl->client; - xGLXCreatePbufferReq *req = (xGLXCreatePbufferReq *) pc; - CARD32 *attrs; - int width, height, i; + 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; + client->errorValue = req->numAttribs; + return BadValue; } REQUEST_FIXED_SIZE(xGLXCreatePbufferReq, req->numAttribs << 3); @@ -1369,25 +1408,26 @@ int __glXDisp_CreatePbuffer(__GLXclientState *cl, GLbyte *pc) 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; - } + 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); + width, height, req->pbuffer); } -int __glXDisp_CreateGLXPbufferSGIX(__GLXclientState *cl, GLbyte *pc) +int +__glXDisp_CreateGLXPbufferSGIX(__GLXclientState * cl, GLbyte * pc) { ClientPtr client = cl->client; xGLXCreateGLXPbufferSGIXReq *req = (xGLXCreateGLXPbufferSGIXReq *) pc; @@ -1395,10 +1435,11 @@ int __glXDisp_CreateGLXPbufferSGIX(__GLXclientState *cl, GLbyte *pc) REQUEST_AT_LEAST_SIZE(xGLXCreateGLXPbufferSGIXReq); return DoCreatePbuffer(cl->client, req->screen, req->fbconfig, - req->width, req->height, req->pbuffer); + req->width, req->height, req->pbuffer); } -int __glXDisp_DestroyPbuffer(__GLXclientState *cl, GLbyte *pc) +int +__glXDisp_DestroyPbuffer(__GLXclientState * cl, GLbyte * pc) { ClientPtr client = cl->client; xGLXDestroyPbufferReq *req = (xGLXDestroyPbufferReq *) pc; @@ -1408,7 +1449,8 @@ int __glXDisp_DestroyPbuffer(__GLXclientState *cl, GLbyte *pc) return DoDestroyDrawable(cl, req->pbuffer, GLX_DRAWABLE_PBUFFER); } -int __glXDisp_DestroyGLXPbufferSGIX(__GLXclientState *cl, GLbyte *pc) +int +__glXDisp_DestroyGLXPbufferSGIX(__GLXclientState * cl, GLbyte * pc) { ClientPtr client = cl->client; xGLXDestroyGLXPbufferSGIXReq *req = (xGLXDestroyGLXPbufferSGIXReq *) pc; @@ -1420,107 +1462,113 @@ int __glXDisp_DestroyGLXPbufferSGIX(__GLXclientState *cl, GLbyte *pc) static int DoChangeDrawableAttributes(ClientPtr client, XID glxdrawable, - int numAttribs, CARD32 *attribs) + int numAttribs, CARD32 *attribs) { __GLXdrawable *pGlxDraw; int i, err; if (!validGlxDrawable(client, glxdrawable, GLX_DRAWABLE_ANY, - DixSetAttrAccess, &pGlxDraw, &err)) - return err; + 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; - } + 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) +int +__glXDisp_ChangeDrawableAttributes(__GLXclientState * cl, GLbyte * pc) { ClientPtr client = cl->client; xGLXChangeDrawableAttributesReq *req = - (xGLXChangeDrawableAttributesReq *) pc; + (xGLXChangeDrawableAttributesReq *) pc; REQUEST_AT_LEAST_SIZE(xGLXChangeDrawableAttributesReq); if (req->numAttribs > (UINT32_MAX >> 3)) { - client->errorValue = req->numAttribs; - return BadValue; + client->errorValue = req->numAttribs; + return BadValue; } #if 0 /* mesa sends an additional 8 bytes */ REQUEST_FIXED_SIZE(xGLXChangeDrawableAttributesReq, req->numAttribs << 3); #else - if (((sizeof(xGLXChangeDrawableAttributesReq) + (req->numAttribs << 3)) >> 2) < client->req_len) - return BadLength; + if (((sizeof(xGLXChangeDrawableAttributesReq) + + (req->numAttribs << 3)) >> 2) < client->req_len) + return BadLength; #endif return DoChangeDrawableAttributes(cl->client, req->drawable, - req->numAttribs, (CARD32 *) (req + 1)); + req->numAttribs, (CARD32 *) (req + 1)); } -int __glXDisp_ChangeDrawableAttributesSGIX(__GLXclientState *cl, GLbyte *pc) +int +__glXDisp_ChangeDrawableAttributesSGIX(__GLXclientState * cl, GLbyte * pc) { ClientPtr client = cl->client; xGLXChangeDrawableAttributesSGIXReq *req = - (xGLXChangeDrawableAttributesSGIXReq *)pc; + (xGLXChangeDrawableAttributesSGIXReq *) pc; REQUEST_AT_LEAST_SIZE(xGLXChangeDrawableAttributesSGIXReq); if (req->numAttribs > (UINT32_MAX >> 3)) { - client->errorValue = req->numAttribs; - return BadValue; + client->errorValue = req->numAttribs; + return BadValue; } - REQUEST_FIXED_SIZE(xGLXChangeDrawableAttributesSGIXReq, req->numAttribs << 3); + REQUEST_FIXED_SIZE(xGLXChangeDrawableAttributesSGIXReq, + req->numAttribs << 3); return DoChangeDrawableAttributes(cl->client, req->drawable, - req->numAttribs, (CARD32 *) (req + 1)); + req->numAttribs, (CARD32 *) (req + 1)); } -int __glXDisp_CreateWindow(__GLXclientState *cl, GLbyte *pc) +int +__glXDisp_CreateWindow(__GLXclientState * cl, GLbyte * pc) { - xGLXCreateWindowReq *req = (xGLXCreateWindowReq *) pc; - __GLXconfig *config; - __GLXscreen *pGlxScreen; - ClientPtr client = cl->client; - DrawablePtr pDraw; - int err; + 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; + 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; + return err; if (!validGlxFBConfig(client, pGlxScreen, req->fbconfig, &config, &err)) - return err; + return err; err = dixLookupDrawable(&pDraw, req->window, client, 0, DixAddAccess); if (err != Success || pDraw->type != DRAWABLE_WINDOW) { - client->errorValue = req->window; - return BadWindow; + client->errorValue = req->window; + return BadWindow; } if (!validGlxFBConfigForWindow(client, config, pDraw, &err)) - return err; + return err; return DoCreateGLXDrawable(client, pGlxScreen, config, - pDraw, req->window, - req->glxwindow, GLX_DRAWABLE_WINDOW); + pDraw, req->window, + req->glxwindow, GLX_DRAWABLE_WINDOW); } -int __glXDisp_DestroyWindow(__GLXclientState *cl, GLbyte *pc) +int +__glXDisp_DestroyWindow(__GLXclientState * cl, GLbyte * pc) { ClientPtr client = cl->client; xGLXDestroyWindowReq *req = (xGLXDestroyWindowReq *) pc; @@ -1531,7 +1579,6 @@ int __glXDisp_DestroyWindow(__GLXclientState *cl, GLbyte *pc) return DoDestroyDrawable(cl, req->glxwindow, GLX_DRAWABLE_WINDOW); } - /*****************************************************************************/ /* @@ -1539,7 +1586,8 @@ int __glXDisp_DestroyWindow(__GLXclientState *cl, GLbyte *pc) ** this time that is of value. Consequently, this code must be ** implemented by somebody other than SGI. */ -int __glXDisp_SwapBuffers(__GLXclientState *cl, GLbyte *pc) +int +__glXDisp_SwapBuffers(__GLXclientState * cl, GLbyte * pc) { ClientPtr client = cl->client; xGLXSwapBuffersReq *req = (xGLXSwapBuffersReq *) pc; @@ -1554,41 +1602,41 @@ int __glXDisp_SwapBuffers(__GLXclientState *cl, GLbyte *pc) 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(), () ); - glxc->hasUnflushedCommands = GL_FALSE; - } else { - return error; - } + 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(), ()); + glxc->hasUnflushedCommands = GL_FALSE; + } + else { + return error; + } } pGlxDraw = __glXGetDrawable(glxc, drawId, client, &error); if (pGlxDraw == NULL) - return error; + return error; if (pGlxDraw->type == DRAWABLE_WINDOW && - (*pGlxDraw->swapBuffers)(cl->client, pGlxDraw) == GL_FALSE) - return __glXError(GLXBadDrawable); + (*pGlxDraw->swapBuffers) (cl->client, pGlxDraw) == GL_FALSE) + return __glXError(GLXBadDrawable); return Success; } - static int -DoQueryContext(__GLXclientState *cl, GLXContextID gcId) +DoQueryContext(__GLXclientState * cl, GLXContextID gcId) { ClientPtr client = cl->client; __GLXcontext *ctx; @@ -1599,7 +1647,7 @@ DoQueryContext(__GLXclientState *cl, GLXContextID gcId) int err; if (!validGlxContext(cl->client, gcId, DixReadAccess, &ctx, &err)) - return err; + return err; nProps = 3; reply.length = nProps << 1; @@ -1608,30 +1656,32 @@ DoQueryContext(__GLXclientState *cl, GLXContextID gcId) reply.n = nProps; nReplyBytes = reply.length << 2; - sendBuf = (int *)malloc((size_t)nReplyBytes); + sendBuf = (int *) malloc((size_t) nReplyBytes); if (sendBuf == NULL) { - return __glXError(GLXBadContext); /* XXX: Is this correct? */ + return __glXError(GLXBadContext); /* XXX: Is this correct? */ } pSendBuf = sendBuf; *pSendBuf++ = GLX_SHARE_CONTEXT_EXT; - *pSendBuf++ = (int)(ctx->share_id); + *pSendBuf++ = (int) (ctx->share_id); *pSendBuf++ = GLX_VISUAL_ID_EXT; - *pSendBuf++ = (int)(ctx->config->visualID); + *pSendBuf++ = (int) (ctx->config->visualID); *pSendBuf++ = GLX_SCREEN_EXT; - *pSendBuf++ = (int)(ctx->pGlxScreen->pScreen->myNum); + *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); + __glXSwapQueryContextInfoEXTReply(client, &reply, sendBuf); } - free((char *)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) +int +__glXDisp_QueryContextInfoEXT(__GLXclientState * cl, GLbyte * pc) { ClientPtr client = cl->client; xGLXQueryContextInfoEXTReq *req = (xGLXQueryContextInfoEXTReq *) pc; @@ -1641,7 +1691,8 @@ int __glXDisp_QueryContextInfoEXT(__GLXclientState *cl, GLbyte *pc) return DoQueryContext(cl, req->context); } -int __glXDisp_QueryContext(__GLXclientState *cl, GLbyte *pc) +int +__glXDisp_QueryContext(__GLXclientState * cl, GLbyte * pc) { ClientPtr client = cl->client; xGLXQueryContextReq *req = (xGLXQueryContextReq *) pc; @@ -1651,93 +1702,93 @@ int __glXDisp_QueryContext(__GLXclientState *cl, GLbyte *pc) return DoQueryContext(cl, req->context); } -int __glXDisp_BindTexImageEXT(__GLXclientState *cl, GLbyte *pc) +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; - CARD32 num_attribs; + ClientPtr client = cl->client; + __GLXcontext *context; + __GLXdrawable *pGlxDraw; + GLXDrawable drawId; + int buffer; + int error; + CARD32 num_attribs; if ((sizeof(xGLXVendorPrivateReq) + 12) >> 2 > client->req_len) - return BadLength; + return BadLength; pc += __GLX_VENDPRIV_HDR_SIZE; drawId = *((CARD32 *) (pc)); - buffer = *((INT32 *) (pc + 4)); + buffer = *((INT32 *) (pc + 4)); num_attribs = *((CARD32 *) (pc + 8)); if (num_attribs > (UINT32_MAX >> 3)) { - client->errorValue = num_attribs; - return BadValue; + client->errorValue = num_attribs; + return BadValue; } REQUEST_FIXED_SIZE(xGLXVendorPrivateReq, 12 + (num_attribs << 3)); if (buffer != GLX_FRONT_LEFT_EXT) - return __glXError(GLXBadPixmap); + return __glXError(GLXBadPixmap); - context = __glXForceCurrent (cl, req->contextTag, &error); + context = __glXForceCurrent(cl, req->contextTag, &error); if (!context) - return error; + return error; if (!validGlxDrawable(client, drawId, GLX_DRAWABLE_PIXMAP, - DixReadAccess, &pGlxDraw, &error)) - return error; + DixReadAccess, &pGlxDraw, &error)) + return error; if (!context->textureFromPixmap) - return __glXError(GLXUnsupportedPrivateRequest); + return __glXError(GLXUnsupportedPrivateRequest); - return context->textureFromPixmap->bindTexImage(context, - buffer, - pGlxDraw); + return context->textureFromPixmap->bindTexImage(context, buffer, pGlxDraw); } -int __glXDisp_ReleaseTexImageEXT(__GLXclientState *cl, GLbyte *pc) +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; + 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); + buffer = *((INT32 *) (pc + 4)); + + context = __glXForceCurrent(cl, req->contextTag, &error); if (!context) - return error; + return error; if (!validGlxDrawable(client, drawId, GLX_DRAWABLE_PIXMAP, - DixReadAccess, &pGlxDraw, &error)) - return error; + DixReadAccess, &pGlxDraw, &error)) + return error; if (!context->textureFromPixmap) - return __glXError(GLXUnsupportedPrivateRequest); + return __glXError(GLXUnsupportedPrivateRequest); return context->textureFromPixmap->releaseTexImage(context, - buffer, - pGlxDraw); + buffer, pGlxDraw); } -int __glXDisp_CopySubBufferMESA(__GLXclientState *cl, GLbyte *pc) +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; + 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; @@ -1747,43 +1798,44 @@ int __glXDisp_CopySubBufferMESA(__GLXclientState *cl, GLbyte *pc) pc += __GLX_VENDPRIV_HDR_SIZE; drawId = *((CARD32 *) (pc)); - x = *((INT32 *) (pc + 4)); - y = *((INT32 *) (pc + 8)); - width = *((INT32 *) (pc + 12)); - height = *((INT32 *) (pc + 16)); + 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(), () ); - glxc->hasUnflushedCommands = GL_FALSE; - } else { - return error; - } + 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(), ()); + glxc->hasUnflushedCommands = GL_FALSE; + } + else { + return error; + } } pGlxDraw = __glXGetDrawable(glxc, drawId, client, &error); if (!pGlxDraw) - return error; + return error; if (pGlxDraw == NULL || - pGlxDraw->type != GLX_DRAWABLE_WINDOW || - pGlxDraw->copySubBuffer == NULL) - return __glXError(GLXBadDrawable); + pGlxDraw->type != GLX_DRAWABLE_WINDOW || + pGlxDraw->copySubBuffer == NULL) + return __glXError(GLXBadDrawable); - (*pGlxDraw->copySubBuffer)(pGlxDraw, x, y, width, height); + (*pGlxDraw->copySubBuffer) (pGlxDraw, x, y, width, height); return Success; } @@ -1792,7 +1844,7 @@ int __glXDisp_CopySubBufferMESA(__GLXclientState *cl, GLbyte *pc) ** Get drawable attributes */ static int -DoGetDrawableAttributes(__GLXclientState *cl, XID drawId) +DoGetDrawableAttributes(__GLXclientState * cl, XID drawId) { ClientPtr client = cl->client; xGLXGetDrawableAttributesReply reply; @@ -1801,8 +1853,8 @@ DoGetDrawableAttributes(__GLXclientState *cl, XID drawId) int numAttribs, error; if (!validGlxDrawable(client, drawId, GLX_DRAWABLE_ANY, - DixGetAttrAccess, &pGlxDraw, &error)) - return error; + DixGetAttrAccess, &pGlxDraw, &error)) + return error; numAttribs = 3; reply.length = numAttribs << 1; @@ -1812,28 +1864,30 @@ DoGetDrawableAttributes(__GLXclientState *cl, XID drawId) attributes[0] = GLX_TEXTURE_TARGET_EXT; attributes[1] = pGlxDraw->target == GL_TEXTURE_2D ? GLX_TEXTURE_2D_EXT : - GLX_TEXTURE_RECTANGLE_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); + __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) +int +__glXDisp_GetDrawableAttributes(__GLXclientState * cl, GLbyte * pc) { ClientPtr client = cl->client; - xGLXGetDrawableAttributesReq *req = (xGLXGetDrawableAttributesReq *)pc; + xGLXGetDrawableAttributesReq *req = (xGLXGetDrawableAttributesReq *) pc; /* this should be REQUEST_SIZE_MATCH, but mesa sends an additional 4 bytes */ REQUEST_AT_LEAST_SIZE(xGLXGetDrawableAttributesReq); @@ -1841,12 +1895,13 @@ int __glXDisp_GetDrawableAttributes(__GLXclientState *cl, GLbyte *pc) return DoGetDrawableAttributes(cl, req->drawable); } -int __glXDisp_GetDrawableAttributesSGIX(__GLXclientState *cl, GLbyte *pc) +int +__glXDisp_GetDrawableAttributesSGIX(__GLXclientState * cl, GLbyte * pc) { ClientPtr client = cl->client; xGLXGetDrawableAttributesSGIXReq *req = - (xGLXGetDrawableAttributesSGIXReq *)pc; - + (xGLXGetDrawableAttributesSGIXReq *) pc; + REQUEST_SIZE_MATCH(xGLXGetDrawableAttributesSGIXReq); return DoGetDrawableAttributes(cl, req->drawable); @@ -1862,28 +1917,30 @@ int __glXDisp_GetDrawableAttributesSGIX(__GLXclientState *cl, GLbyte *pc) /* ** Execute all the drawing commands in a request. */ -int __glXDisp_Render(__GLXclientState *cl, GLbyte *pc) +int +__glXDisp_Render(__GLXclientState * cl, GLbyte * pc) { xGLXRenderReq *req; - ClientPtr client= cl->client; + 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); + __GLX_SWAP_SHORT(&req->length); + __GLX_SWAP_INT(&req->contextTag); } glxc = __glXForceCurrent(cl, req->contextTag, &error); if (!glxc) { - return error; + return error; } commandsDone = 0; @@ -1892,278 +1949,284 @@ int __glXDisp_Render(__GLXclientState *cl, GLbyte *pc) 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); - } + __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); + 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 { + } + 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++; + 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++; } glxc->hasUnflushedCommands = GL_TRUE; return Success; } - /* ** Execute a large rendering request (one that spans multiple X requests). */ -int __glXDisp_RenderLarge(__GLXclientState *cl, GLbyte *pc) +int +__glXDisp_RenderLarge(__GLXclientState * cl, GLbyte * pc) { xGLXRenderLargeReq *req; - ClientPtr client= cl->client; + 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); + __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; + /* Reset in case this isn't 1st request. */ + __glXResetLargeCommandStatus(cl); + return error; } dataBytes = req->dataBytes; /* - ** Check the request length. - */ + ** 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; + 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); - glxc->hasUnflushedCommands = GL_TRUE; - - /* - ** Reset for the next RenderLarge series. - */ - __glXResetLargeCommandStatus(cl); - } else { - /* - ** This is neither the first nor the last request. - */ - } - return Success; + __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); + glxc->hasUnflushedCommands = GL_TRUE; + + /* + ** Reset for the next RenderLarge series. + */ + __glXResetLargeCommandStatus(cl); + } + else { + /* + ** This is neither the first nor the last request. + */ + } + return Success; } } @@ -2174,7 +2237,8 @@ int __glXDisp_RenderLarge(__GLXclientState *cl, GLbyte *pc) ** allocating the entry points in the dispatch table. */ -int __glXDisp_VendorPrivate(__GLXclientState *cl, GLbyte *pc) +int +__glXDisp_VendorPrivate(__GLXclientState * cl, GLbyte * pc) { ClientPtr client = cl->client; xGLXVendorPrivateReq *req = (xGLXVendorPrivateReq *) pc; @@ -2184,18 +2248,19 @@ int __glXDisp_VendorPrivate(__GLXclientState *cl, GLbyte *pc) REQUEST_AT_LEAST_SIZE(xGLXVendorPrivateReq); proc = (__GLXdispatchVendorPrivProcPtr) - __glXGetProtocolDecodeFunction(& VendorPriv_dispatch_info, - vendorcode, 0); + __glXGetProtocolDecodeFunction(&VendorPriv_dispatch_info, + vendorcode, 0); if (proc != NULL) { - (*proc)(cl, (GLbyte*)req); - return Success; + (*proc) (cl, (GLbyte *) req); + return Success; } cl->client->errorValue = req->vendorCode; return __glXError(GLXUnsupportedPrivateRequest); } -int __glXDisp_VendorPrivateWithReply(__GLXclientState *cl, GLbyte *pc) +int +__glXDisp_VendorPrivateWithReply(__GLXclientState * cl, GLbyte * pc) { ClientPtr client = cl->client; xGLXVendorPrivateReq *req = (xGLXVendorPrivateReq *) pc; @@ -2205,17 +2270,18 @@ int __glXDisp_VendorPrivateWithReply(__GLXclientState *cl, GLbyte *pc) REQUEST_AT_LEAST_SIZE(xGLXVendorPrivateReq); proc = (__GLXdispatchVendorPrivProcPtr) - __glXGetProtocolDecodeFunction(& VendorPriv_dispatch_info, - vendorcode, 0); + __glXGetProtocolDecodeFunction(&VendorPriv_dispatch_info, + vendorcode, 0); if (proc != NULL) { - return (*proc)(cl, (GLbyte*)req); + return (*proc) (cl, (GLbyte *) req); } cl->client->errorValue = vendorcode; return __glXError(GLXUnsupportedPrivateRequest); } -int __glXDisp_QueryExtensionsString(__GLXclientState *cl, GLbyte *pc) +int +__glXDisp_QueryExtensionsString(__GLXclientState * cl, GLbyte * pc) { ClientPtr client = cl->client; xGLXQueryExtensionsStringReq *req = (xGLXQueryExtensionsStringReq *) pc; @@ -2228,7 +2294,7 @@ int __glXDisp_QueryExtensionsString(__GLXclientState *cl, GLbyte *pc) REQUEST_SIZE_MATCH(xGLXQueryExtensionsStringReq); if (!validGlxScreen(client, req->screen, &pGlxScreen, &err)) - return err; + return err; n = strlen(pGlxScreen->GLXextensions) + 1; length = __GLX_PAD(n) >> 2; @@ -2237,7 +2303,7 @@ int __glXDisp_QueryExtensionsString(__GLXclientState *cl, GLbyte *pc) reply.length = length; reply.n = n; - /* Allocate buffer to make sure it's a multiple of 4 bytes big.*/ + /* Allocate buffer to make sure it's a multiple of 4 bytes big. */ buf = (char *) malloc(length << 2); if (buf == NULL) return BadAlloc; @@ -2245,16 +2311,19 @@ int __glXDisp_QueryExtensionsString(__GLXclientState *cl, GLbyte *pc) if (client->swapped) { glxSwapQueryExtensionsStringReply(client, &reply, buf); - } else { - WriteToClient(client, sz_xGLXQueryExtensionsStringReply,(char *)&reply); - WriteToClient(client, (int)(length << 2), (char *)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) +int +__glXDisp_QueryServerString(__GLXclientState * cl, GLbyte * pc) { ClientPtr client = cl->client; xGLXQueryServerStringReq *req = (xGLXQueryServerStringReq *) pc; @@ -2269,24 +2338,24 @@ int __glXDisp_QueryServerString(__GLXclientState *cl, GLbyte *pc) 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; + 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; @@ -2304,26 +2373,28 @@ int __glXDisp_QueryServerString(__GLXclientState *cl, GLbyte *pc) if (client->swapped) { glxSwapQueryServerStringReply(client, &reply, buf); - } else { - WriteToClient(client, sz_xGLXQueryServerStringReply, (char *)&reply); - WriteToClient(client, (int)(length << 2), 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) +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); + buf = (const char *) (req + 1); if (!memchr(buf, 0, (client->req_len << 2) - sizeof(xGLXClientInfoReq))) - return BadLength; + return BadLength; cl->GLClientmajorVersion = req->major; cl->GLClientminorVersion = req->minor; |