diff options
Diffstat (limited to 'xorg-server/glx')
30 files changed, 4516 insertions, 4330 deletions
diff --git a/xorg-server/glx/glheader.h b/xorg-server/glx/glheader.h new file mode 100644 index 000000000..1c0ee2c9e --- /dev/null +++ b/xorg-server/glx/glheader.h @@ -0,0 +1,24 @@ +#ifndef __GLHEADER_H__
+#define __GLHEADER_H__
+
+#define STDC_HEADERS 1
+
+#include <X11/Xwinsock.h>
+#include <X11/Xwindows.h>
+#include <assert.h>
+#define strcasecmp _stricmp
+
+#undef MINSHORT
+#undef MAXSHORT
+
+#define MINSHORT -32768
+#define MAXSHORT 32767
+
+#define PUBLIC
+
+#define GL_GLEXT_PROTOTYPES
+
+#define DRI_DRIVER_PATH "/usr/lib/dri"
+
+#endif
+
diff --git a/xorg-server/glx/glxcmds.c b/xorg-server/glx/glxcmds.c index b1061a8c2..847154718 100644 --- a/xorg-server/glx/glxcmds.c +++ b/xorg-server/glx/glxcmds.c @@ -1,2418 +1,2422 @@ -/* - * SGI FREE SOFTWARE LICENSE B (Version 2.0, Sept. 18, 2008) - * Copyright (C) 1991-2000 Silicon Graphics, Inc. All Rights Reserved. - * - * Permission is hereby granted, free of charge, to any person obtaining a - * copy of this software and associated documentation files (the "Software"), - * to deal in the Software without restriction, including without limitation - * the rights to use, copy, modify, merge, publish, distribute, sublicense, - * and/or sell copies of the Software, and to permit persons to whom the - * Software is furnished to do so, subject to the following conditions: - * - * The above copyright notice including the dates of first publication and - * either this permission notice or a reference to - * http://oss.sgi.com/projects/FreeB/ - * shall be included in all copies or substantial portions of the Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS - * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, - * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL - * SILICON GRAPHICS, INC. BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, - * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF - * OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE - * SOFTWARE. - * - * Except as contained in this notice, the name of Silicon Graphics, Inc. - * shall not be used in advertising or otherwise to promote the sale, use or - * other dealings in this Software without prior written authorization from - * Silicon Graphics, Inc. - */ - -#ifdef HAVE_DIX_CONFIG_H -#include <dix-config.h> -#endif - -#include <string.h> -#include <assert.h> - -#include "glxserver.h" -#include <GL/glxtokens.h> -#include <unpack.h> -#include "g_disptab.h" -#include <pixmapstr.h> -#include <windowstr.h> -#include "glxutil.h" -#include "glxext.h" -#include "glapitable.h" -#include "glapi.h" -#include "glthread.h" -#include "dispatch.h" -#include "indirect_dispatch.h" -#include "indirect_table.h" -#include "indirect_util.h" -#include "protocol-versions.h" - -static int -validGlxScreen(ClientPtr client, int screen, __GLXscreen **pGlxScreen, int *err) -{ - /* - ** Check if screen exists. - */ - if (screen >= screenInfo.numScreens) { - client->errorValue = screen; - *err = BadValue; - return FALSE; - } - *pGlxScreen = glxGetScreen(screenInfo.screens[screen]); - - return TRUE; -} - -static int -validGlxFBConfig(ClientPtr client, __GLXscreen *pGlxScreen, XID id, - __GLXconfig **config, int *err) -{ - __GLXconfig *m; - - for (m = pGlxScreen->fbconfigs; m != NULL; m = m->next) - if (m->fbconfigID == id) { - *config = m; - return TRUE; - } - - client->errorValue = id; - *err = __glXError(GLXBadFBConfig); - - return FALSE; -} - -static int -validGlxVisual(ClientPtr client, __GLXscreen *pGlxScreen, XID id, - __GLXconfig **config, int *err) -{ - int i; - - for (i = 0; i < pGlxScreen->numVisuals; i++) - if (pGlxScreen->visuals[i]->visualID == id) { - *config = pGlxScreen->visuals[i]; - return TRUE; - } - - client->errorValue = id; - *err = BadValue; - - return FALSE; -} - -static int -validGlxFBConfigForWindow(ClientPtr client, __GLXconfig *config, - DrawablePtr pDraw, int *err) -{ - ScreenPtr pScreen = pDraw->pScreen; - VisualPtr pVisual = NULL; - XID vid; - int i; - - vid = wVisual((WindowPtr)pDraw); - for (i = 0; i < pScreen->numVisuals; i++) { - if (pScreen->visuals[i].vid == vid) { - pVisual = &pScreen->visuals[i]; - break; - } - } - - /* FIXME: What exactly should we check here... */ - if (pVisual->class != glxConvertToXVisualType(config->visualType) || - !(config->drawableType & GLX_WINDOW_BIT)) { - client->errorValue = pDraw->id; - *err = BadMatch; - return FALSE; - } - - return TRUE; -} - -static int -validGlxContext(ClientPtr client, XID id, int access_mode, - __GLXcontext **context, int *err) -{ - *err = dixLookupResourceByType((pointer *) context, id, - __glXContextRes, client, access_mode); - if (*err != Success) { - client->errorValue = id; - if (*err == BadValue) - *err = __glXError(GLXBadContext); - return FALSE; - } - - return TRUE; -} - -static int -validGlxDrawable(ClientPtr client, XID id, int type, int access_mode, - __GLXdrawable **drawable, int *err) -{ - int rc; - - rc = dixLookupResourceByType((pointer *) drawable, id, - __glXDrawableRes, client, access_mode); - if (rc != Success && rc != BadValue) { - *err = rc; - client->errorValue = id; - return FALSE; - } - - if (rc == BadValue || - (type != GLX_DRAWABLE_ANY && type != (*drawable)->type)) { - client->errorValue = id; - switch (type) { - case GLX_DRAWABLE_WINDOW: - *err = __glXError(GLXBadWindow); - return FALSE; - case GLX_DRAWABLE_PIXMAP: - *err = __glXError(GLXBadPixmap); - return FALSE; - case GLX_DRAWABLE_PBUFFER: - *err = __glXError(GLXBadPbuffer); - return FALSE; - case GLX_DRAWABLE_ANY: - *err = __glXError(GLXBadDrawable); - return FALSE; - } - } - - return TRUE; -} - -void -__glXContextDestroy(__GLXcontext *context) -{ - __glXFlushContextCache(); -} - -static void __glXdirectContextDestroy(__GLXcontext *context) -{ - __glXContextDestroy(context); - xfree(context); -} - -static __GLXcontext *__glXdirectContextCreate(__GLXscreen *screen, - __GLXconfig *modes, - __GLXcontext *shareContext) -{ - __GLXcontext *context; - - context = xcalloc (1, sizeof (__GLXcontext)); - if (context == NULL) - return NULL; - - context->destroy = __glXdirectContextDestroy; - - return context; -} - -/** - * Create a GL context with the given properties. This routine is used - * to implement \c glXCreateContext, \c glXCreateNewContext, and - * \c glXCreateContextWithConfigSGIX. This works becuase of the hack way - * that GLXFBConfigs are implemented. Basically, the FBConfigID is the - * same as the VisualID. - */ - -static int -DoCreateContext(__GLXclientState *cl, GLXContextID gcId, - GLXContextID shareList, __GLXconfig *config, - __GLXscreen *pGlxScreen, GLboolean isDirect) -{ - ClientPtr client = cl->client; - __GLXcontext *glxc, *shareglxc; - int err; - - LEGAL_NEW_RESOURCE(gcId, client); - - /* - ** Find the display list space that we want to share. - ** - ** NOTE: In a multithreaded X server, we would need to keep a reference - ** count for each display list so that if one client detroyed a list that - ** another client was using, the list would not really be freed until it - ** was no longer in use. Since this sample implementation has no support - ** for multithreaded servers, we don't do this. - */ - if (shareList == None) { - shareglxc = 0; - } else { - if (!validGlxContext(client, shareList, DixReadAccess, - &shareglxc, &err)) - return err; - - if (shareglxc->isDirect) { - /* - ** NOTE: no support for sharing display lists between direct - ** contexts, even if they are in the same address space. - */ -#if 0 - /* Disabling this code seems to allow shared display lists - * and texture objects to work. We'll leave it disabled for now. - */ - client->errorValue = shareList; - return BadMatch; -#endif - } else { - /* - ** Create an indirect context regardless of what the client asked - ** for; this way we can share display list space with shareList. - */ - isDirect = GL_FALSE; - } - } - - /* - ** Allocate memory for the new context - */ - if (!isDirect) - glxc = pGlxScreen->createContext(pGlxScreen, config, shareglxc); - else - glxc = __glXdirectContextCreate(pGlxScreen, config, shareglxc); - if (!glxc) { - return BadAlloc; - } - - /* - ** Initially, setup the part of the context that could be used by - ** a GL core that needs windowing information (e.g., Mesa). - */ - glxc->pGlxScreen = pGlxScreen; - glxc->config = config; - - /* - ** Register this context as a resource. - */ - if (!AddResource(gcId, __glXContextRes, (pointer)glxc)) { - (*glxc->destroy)(glxc); - client->errorValue = gcId; - return BadAlloc; - } - - /* - ** Finally, now that everything is working, setup the rest of the - ** context. - */ - glxc->id = gcId; - glxc->share_id = shareList; - glxc->idExists = GL_TRUE; - glxc->isCurrent = GL_FALSE; - glxc->isDirect = isDirect; - glxc->renderMode = GL_RENDER; - - __glXAddToContextList(glxc); - - return Success; -} - -int __glXDisp_CreateContext(__GLXclientState *cl, GLbyte *pc) -{ - xGLXCreateContextReq *req = (xGLXCreateContextReq *) pc; - __GLXconfig *config; - __GLXscreen *pGlxScreen; - int err; - - if (!validGlxScreen(cl->client, req->screen, &pGlxScreen, &err)) - return err; - if (!validGlxVisual(cl->client, pGlxScreen, req->visual, &config, &err)) - return err; - - return DoCreateContext(cl, req->context, req->shareList, - config, pGlxScreen, req->isDirect); -} - -int __glXDisp_CreateNewContext(__GLXclientState *cl, GLbyte *pc) -{ - xGLXCreateNewContextReq *req = (xGLXCreateNewContextReq *) pc; - __GLXconfig *config; - __GLXscreen *pGlxScreen; - int err; - - if (!validGlxScreen(cl->client, req->screen, &pGlxScreen, &err)) - return err; - if (!validGlxFBConfig(cl->client, pGlxScreen, req->fbconfig, &config, &err)) - return err; - - return DoCreateContext(cl, req->context, req->shareList, - config, pGlxScreen, req->isDirect); -} - -int __glXDisp_CreateContextWithConfigSGIX(__GLXclientState *cl, GLbyte *pc) -{ - xGLXCreateContextWithConfigSGIXReq *req = - (xGLXCreateContextWithConfigSGIXReq *) pc; - __GLXconfig *config; - __GLXscreen *pGlxScreen; - int err; - - if (!validGlxScreen(cl->client, req->screen, &pGlxScreen, &err)) - return err; - if (!validGlxFBConfig(cl->client, pGlxScreen, req->fbconfig, &config, &err)) - return err; - - return DoCreateContext(cl, req->context, req->shareList, - config, pGlxScreen, req->isDirect); -} -int __glXDisp_DestroyContext(__GLXclientState *cl, GLbyte *pc) -{ - xGLXDestroyContextReq *req = (xGLXDestroyContextReq *) pc; - __GLXcontext *glxc; - int err; - - if (!validGlxContext(cl->client, req->context, DixDestroyAccess, - &glxc, &err)) - return err; - - FreeResourceByType(req->context, __glXContextRes, FALSE); - return Success; -} - -/*****************************************************************************/ - -/* -** For each client, the server keeps a table of all the contexts that are -** current for that client (each thread of a client may have its own current -** context). These routines add, change, and lookup contexts in the table. -*/ - -/* -** Add a current context, and return the tag that will be used to refer to it. -*/ -static int AddCurrentContext(__GLXclientState *cl, __GLXcontext *glxc) -{ - int i; - int num = cl->numCurrentContexts; - __GLXcontext **table = cl->currentContexts; - - if (!glxc) return -1; - - /* - ** Try to find an empty slot and use it. - */ - for (i=0; i < num; i++) { - if (!table[i]) { - table[i] = glxc; - return i+1; - } - } - /* - ** Didn't find a free slot, so we'll have to grow the table. - */ - if (!num) { - table = (__GLXcontext **) xalloc(sizeof(__GLXcontext *)); - } else { - table = (__GLXcontext **) xrealloc(table, - (num+1)*sizeof(__GLXcontext *)); - } - table[num] = glxc; - cl->currentContexts = table; - cl->numCurrentContexts++; - return num+1; -} - -/* -** Given a tag, change the current context for the corresponding entry. -*/ -static void ChangeCurrentContext(__GLXclientState *cl, __GLXcontext *glxc, - GLXContextTag tag) -{ - __GLXcontext **table = cl->currentContexts; - table[tag-1] = glxc; -} - -/* -** For this implementation we have chosen to simply use the index of the -** context's entry in the table as the context tag. A tag must be greater -** than 0. -*/ -__GLXcontext *__glXLookupContextByTag(__GLXclientState *cl, GLXContextTag tag) -{ - int num = cl->numCurrentContexts; - - if (tag < 1 || tag > num) { - return 0; - } else { - return cl->currentContexts[tag-1]; - } -} - -/*****************************************************************************/ - -static void StopUsingContext(__GLXcontext *glxc) -{ - if (glxc) { - if (glxc == __glXLastContext) { - /* Tell server GL library */ - __glXLastContext = 0; - } - glxc->isCurrent = GL_FALSE; - if (!glxc->idExists) { - __glXFreeContext(glxc); - } - } -} - -static void StartUsingContext(__GLXclientState *cl, __GLXcontext *glxc) -{ - glxc->isCurrent = GL_TRUE; - __glXLastContext = glxc; -} - -/** - * This is a helper function to handle the legacy (pre GLX 1.3) cases - * where passing an X window to glXMakeCurrent is valid. Given a - * resource ID, look up the GLX drawable if available, otherwise, make - * sure it's an X window and create a GLX drawable one the fly. - */ -static __GLXdrawable * -__glXGetDrawable(__GLXcontext *glxc, GLXDrawable drawId, ClientPtr client, - int *error) -{ - DrawablePtr pDraw; - __GLXdrawable *pGlxDraw; - int rc; - - if (validGlxDrawable(client, drawId, GLX_DRAWABLE_ANY, - DixWriteAccess, &pGlxDraw, &rc)) { - if (glxc != NULL && pGlxDraw->config != glxc->config) { - client->errorValue = drawId; - *error = BadMatch; - return NULL; - } - - return pGlxDraw; - } - - /* The drawId wasn't a GLX drawable. Make sure it's a window and - * create a GLXWindow for it. Check that the drawable screen - * matches the context screen and that the context fbconfig is - * compatible with the window visual. */ - - rc = dixLookupDrawable(&pDraw, drawId, client, 0, DixGetAttrAccess); - if (rc != Success || pDraw->type != DRAWABLE_WINDOW) { - client->errorValue = drawId; - *error = __glXError(GLXBadDrawable); - return NULL; - } - - if (pDraw->pScreen != glxc->pGlxScreen->pScreen) { - client->errorValue = pDraw->pScreen->myNum; - *error = BadMatch; - return NULL; - } - - if (!validGlxFBConfigForWindow(client, glxc->config, pDraw, error)) - return NULL; - - pGlxDraw = glxc->pGlxScreen->createDrawable(glxc->pGlxScreen, - pDraw, GLX_DRAWABLE_WINDOW, - drawId, glxc->config); - - /* since we are creating the drawablePrivate, drawId should be new */ - if (!AddResource(drawId, __glXDrawableRes, pGlxDraw)) { - pGlxDraw->destroy (pGlxDraw); - *error = BadAlloc; - return NULL; - } - - return pGlxDraw; -} - -/*****************************************************************************/ -/* -** Make an OpenGL context and drawable current. -*/ - -static int -DoMakeCurrent(__GLXclientState *cl, - GLXDrawable drawId, GLXDrawable readId, - GLXContextID contextId, GLXContextTag tag) -{ - ClientPtr client = cl->client; - xGLXMakeCurrentReply reply; - __GLXcontext *glxc, *prevglxc; - __GLXdrawable *drawPriv = NULL; - __GLXdrawable *readPriv = NULL; - int error; - GLuint mask; - - /* - ** If one is None and the other isn't, it's a bad match. - */ - - mask = (drawId == None) ? (1 << 0) : 0; - mask |= (readId == None) ? (1 << 1) : 0; - mask |= (contextId == None) ? (1 << 2) : 0; - - if ( (mask != 0x00) && (mask != 0x07) ) { - return BadMatch; - } - - /* - ** Lookup old context. If we have one, it must be in a usable state. - */ - if (tag != 0) { - prevglxc = __glXLookupContextByTag(cl, tag); - if (!prevglxc) { - /* - ** Tag for previous context is invalid. - */ - return __glXError(GLXBadContextTag); - } - if (prevglxc->renderMode != GL_RENDER) { - /* Oops. Not in render mode render. */ - client->errorValue = prevglxc->id; - return __glXError(GLXBadContextState); - } - } else { - prevglxc = 0; - } - - /* - ** Lookup new context. It must not be current for someone else. - */ - if (contextId != None) { - int status; - - if (!validGlxContext(client, contextId, DixUseAccess, &glxc, &error)) - return error; - if ((glxc != prevglxc) && glxc->isCurrent) { - /* Context is current to somebody else */ - return BadAccess; - } - - assert( drawId != None ); - assert( readId != None ); - - drawPriv = __glXGetDrawable(glxc, drawId, client, &status); - if (drawPriv == NULL) - return status; - - readPriv = __glXGetDrawable(glxc, readId, client, &status); - if (readPriv == NULL) - return status; - - } else { - /* Switching to no context. Ignore new drawable. */ - glxc = 0; - drawPriv = 0; - readPriv = 0; - } - - - if (prevglxc) { - /* - ** Flush the previous context if needed. - */ - if (__GLX_HAS_UNFLUSHED_CMDS(prevglxc)) { - if (__glXForceCurrent(cl, tag, (int *)&error)) { - CALL_Flush( GET_DISPATCH(), () ); - __GLX_NOTE_FLUSHED_CMDS(prevglxc); - } else { - return error; - } - } - - /* - ** Make the previous context not current. - */ - if (!(*prevglxc->loseCurrent)(prevglxc)) { - return __glXError(GLXBadContext); - } - __glXFlushContextCache(); - if (!prevglxc->isDirect) { - prevglxc->drawPriv = NULL; - prevglxc->readPriv = NULL; - } - } - - - if ((glxc != 0) && !glxc->isDirect) { - - glxc->drawPriv = drawPriv; - glxc->readPriv = readPriv; - - /* make the context current */ - if (!(*glxc->makeCurrent)(glxc)) { - glxc->drawPriv = NULL; - glxc->readPriv = NULL; - return __glXError(GLXBadContext); - } - - glxc->isCurrent = GL_TRUE; - } - - if (prevglxc) { - ChangeCurrentContext(cl, glxc, tag); - StopUsingContext(prevglxc); - } else { - tag = AddCurrentContext(cl, glxc); - } - - if (glxc) { - StartUsingContext(cl, glxc); - reply.contextTag = tag; - } else { - reply.contextTag = 0; - } - - reply.length = 0; - reply.type = X_Reply; - reply.sequenceNumber = client->sequence; - - if (client->swapped) { - __glXSwapMakeCurrentReply(client, &reply); - } else { - WriteToClient(client, sz_xGLXMakeCurrentReply, (char *)&reply); - } - return Success; -} - -int __glXDisp_MakeCurrent(__GLXclientState *cl, GLbyte *pc) -{ - xGLXMakeCurrentReq *req = (xGLXMakeCurrentReq *) pc; - - return DoMakeCurrent( cl, req->drawable, req->drawable, - req->context, req->oldContextTag ); -} - -int __glXDisp_MakeContextCurrent(__GLXclientState *cl, GLbyte *pc) -{ - xGLXMakeContextCurrentReq *req = (xGLXMakeContextCurrentReq *) pc; - - return DoMakeCurrent( cl, req->drawable, req->readdrawable, - req->context, req->oldContextTag ); -} - -int __glXDisp_MakeCurrentReadSGI(__GLXclientState *cl, GLbyte *pc) -{ - xGLXMakeCurrentReadSGIReq *req = (xGLXMakeCurrentReadSGIReq *) pc; - - return DoMakeCurrent( cl, req->drawable, req->readable, - req->context, req->oldContextTag ); -} - -int __glXDisp_IsDirect(__GLXclientState *cl, GLbyte *pc) -{ - ClientPtr client = cl->client; - xGLXIsDirectReq *req = (xGLXIsDirectReq *) pc; - xGLXIsDirectReply reply; - __GLXcontext *glxc; - int err; - - if (!validGlxContext(cl->client, req->context, DixReadAccess, &glxc, &err)) - return err; - - reply.isDirect = glxc->isDirect; - reply.length = 0; - reply.type = X_Reply; - reply.sequenceNumber = client->sequence; - - if (client->swapped) { - __glXSwapIsDirectReply(client, &reply); - } else { - WriteToClient(client, sz_xGLXIsDirectReply, (char *)&reply); - } - - return Success; -} - -int __glXDisp_QueryVersion(__GLXclientState *cl, GLbyte *pc) -{ - ClientPtr client = cl->client; - xGLXQueryVersionReq *req = (xGLXQueryVersionReq *) pc; - xGLXQueryVersionReply reply; - GLuint major, minor; - - major = req->majorVersion; - minor = req->minorVersion; - (void)major; - (void)minor; - - /* - ** Server should take into consideration the version numbers sent by the - ** client if it wants to work with older clients; however, in this - ** implementation the server just returns its version number. - */ - reply.majorVersion = SERVER_GLX_MAJOR_VERSION; - reply.minorVersion = SERVER_GLX_MINOR_VERSION; - reply.length = 0; - reply.type = X_Reply; - reply.sequenceNumber = client->sequence; - - if (client->swapped) { - __glXSwapQueryVersionReply(client, &reply); - } else { - WriteToClient(client, sz_xGLXQueryVersionReply, (char *)&reply); - } - return Success; -} - -int __glXDisp_WaitGL(__GLXclientState *cl, GLbyte *pc) -{ - xGLXWaitGLReq *req = (xGLXWaitGLReq *)pc; - GLXContextTag tag = req->contextTag; - __GLXcontext *glxc = NULL; - int error; - - if (tag) { - glxc = __glXLookupContextByTag(cl, tag); - if (!glxc) - return __glXError(GLXBadContextTag); - - if (!__glXForceCurrent(cl, req->contextTag, &error)) - return error; - - CALL_Finish( GET_DISPATCH(), () ); - } - - if (glxc && glxc->drawPriv->waitGL) - (*glxc->drawPriv->waitGL)(glxc->drawPriv); - - return Success; -} - -int __glXDisp_WaitX(__GLXclientState *cl, GLbyte *pc) -{ - xGLXWaitXReq *req = (xGLXWaitXReq *)pc; - GLXContextTag tag = req->contextTag; - __GLXcontext *glxc = NULL; - int error; - - if (tag) { - glxc = __glXLookupContextByTag(cl, tag); - if (!glxc) - return __glXError(GLXBadContextTag); - - if (!__glXForceCurrent(cl, req->contextTag, &error)) - return error; - } - - if (glxc && glxc->drawPriv->waitX) - (*glxc->drawPriv->waitX)(glxc->drawPriv); - - return Success; -} - -int __glXDisp_CopyContext(__GLXclientState *cl, GLbyte *pc) -{ - ClientPtr client = cl->client; - xGLXCopyContextReq *req = (xGLXCopyContextReq *) pc; - GLXContextID source = req->source; - GLXContextID dest = req->dest; - GLXContextTag tag = req->contextTag; - unsigned long mask = req->mask; - __GLXcontext *src, *dst; - int error; - - if (!validGlxContext(cl->client, source, DixReadAccess, &src, &error)) - return error; - if (!validGlxContext(cl->client, dest, DixWriteAccess, &dst, &error)) - return error; - - /* - ** They must be in the same address space, and same screen. - ** NOTE: no support for direct rendering contexts here. - */ - if (src->isDirect || dst->isDirect || - (src->pGlxScreen != dst->pGlxScreen)) { - client->errorValue = source; - return BadMatch; - } - - /* - ** The destination context must not be current for any client. - */ - if (dst->isCurrent) { - client->errorValue = dest; - return BadAccess; - } - - if (tag) { - __GLXcontext *tagcx = __glXLookupContextByTag(cl, tag); - - if (!tagcx) { - return __glXError(GLXBadContextTag); - } - if (tagcx != src) { - /* - ** This would be caused by a faulty implementation of the client - ** library. - */ - return BadMatch; - } - /* - ** In this case, glXCopyContext is in both GL and X streams, in terms - ** of sequentiality. - */ - if (__glXForceCurrent(cl, tag, &error)) { - /* - ** Do whatever is needed to make sure that all preceding requests - ** in both streams are completed before the copy is executed. - */ - CALL_Finish( GET_DISPATCH(), () ); - __GLX_NOTE_FLUSHED_CMDS(tagcx); - } else { - return error; - } - } - /* - ** Issue copy. The only reason for failure is a bad mask. - */ - if (!(*dst->copy)(dst, src, mask)) { - client->errorValue = mask; - return BadValue; - } - return Success; -} - -enum { - GLX_VIS_CONFIG_UNPAIRED = 18, - GLX_VIS_CONFIG_PAIRED = 20 -}; - -enum { - GLX_VIS_CONFIG_TOTAL = GLX_VIS_CONFIG_UNPAIRED + GLX_VIS_CONFIG_PAIRED -}; - -int __glXDisp_GetVisualConfigs(__GLXclientState *cl, GLbyte *pc) -{ - xGLXGetVisualConfigsReq *req = (xGLXGetVisualConfigsReq *) pc; - ClientPtr client = cl->client; - xGLXGetVisualConfigsReply reply; - __GLXscreen *pGlxScreen; - __GLXconfig *modes; - CARD32 buf[GLX_VIS_CONFIG_TOTAL]; - int p, i, err; - __GLX_DECLARE_SWAP_VARIABLES; - __GLX_DECLARE_SWAP_ARRAY_VARIABLES; - - if (!validGlxScreen(cl->client, req->screen, &pGlxScreen, &err)) - return err; - - reply.numVisuals = pGlxScreen->numVisuals; - reply.numProps = GLX_VIS_CONFIG_TOTAL; - reply.length = (reply.numVisuals * __GLX_SIZE_CARD32 * GLX_VIS_CONFIG_TOTAL) >> 2; - reply.type = X_Reply; - reply.sequenceNumber = client->sequence; - - if (client->swapped) { - __GLX_SWAP_SHORT(&reply.sequenceNumber); - __GLX_SWAP_INT(&reply.length); - __GLX_SWAP_INT(&reply.numVisuals); - __GLX_SWAP_INT(&reply.numProps); - } - - WriteToClient(client, sz_xGLXGetVisualConfigsReply, (char *)&reply); - - for (i = 0; i < pGlxScreen->numVisuals; i++) { - modes = pGlxScreen->visuals[i]; - - p = 0; - buf[p++] = modes->visualID; - buf[p++] = glxConvertToXVisualType( modes->visualType ); - buf[p++] = (modes->renderType & GLX_RGBA_BIT) ? GL_TRUE : GL_FALSE; - - buf[p++] = modes->redBits; - buf[p++] = modes->greenBits; - buf[p++] = modes->blueBits; - buf[p++] = modes->alphaBits; - buf[p++] = modes->accumRedBits; - buf[p++] = modes->accumGreenBits; - buf[p++] = modes->accumBlueBits; - buf[p++] = modes->accumAlphaBits; - - buf[p++] = modes->doubleBufferMode; - buf[p++] = modes->stereoMode; - - buf[p++] = modes->rgbBits; - buf[p++] = modes->depthBits; - buf[p++] = modes->stencilBits; - buf[p++] = modes->numAuxBuffers; - buf[p++] = modes->level; - - assert(p == GLX_VIS_CONFIG_UNPAIRED); - /* - ** Add token/value pairs for extensions. - */ - buf[p++] = GLX_VISUAL_CAVEAT_EXT; - buf[p++] = modes->visualRating; - buf[p++] = GLX_TRANSPARENT_TYPE; - buf[p++] = modes->transparentPixel; - buf[p++] = GLX_TRANSPARENT_RED_VALUE; - buf[p++] = modes->transparentRed; - buf[p++] = GLX_TRANSPARENT_GREEN_VALUE; - buf[p++] = modes->transparentGreen; - buf[p++] = GLX_TRANSPARENT_BLUE_VALUE; - buf[p++] = modes->transparentBlue; - buf[p++] = GLX_TRANSPARENT_ALPHA_VALUE; - buf[p++] = modes->transparentAlpha; - buf[p++] = GLX_TRANSPARENT_INDEX_VALUE; - buf[p++] = modes->transparentIndex; - buf[p++] = GLX_SAMPLES_SGIS; - buf[p++] = modes->samples; - buf[p++] = GLX_SAMPLE_BUFFERS_SGIS; - buf[p++] = modes->sampleBuffers; - buf[p++] = 0; /* copy over visualSelectGroup (GLX_VISUAL_SELECT_GROUP_SGIX)? */ - buf[p++] = 0; - - assert(p == GLX_VIS_CONFIG_TOTAL); - if (client->swapped) { - __GLX_SWAP_INT_ARRAY(buf, p); - } - WriteToClient(client, __GLX_SIZE_CARD32 * p, (char *)buf); - } - return Success; -} - -#define __GLX_TOTAL_FBCONFIG_ATTRIBS (36) -#define __GLX_FBCONFIG_ATTRIBS_LENGTH (__GLX_TOTAL_FBCONFIG_ATTRIBS * 2) -/** - * Send the set of GLXFBConfigs to the client. There is not currently - * and interface into the driver on the server-side to get GLXFBConfigs, - * so we "invent" some based on the \c __GLXvisualConfig structures that - * the driver does supply. - * - * The reply format for both \c glXGetFBConfigs and \c glXGetFBConfigsSGIX - * is the same, so this routine pulls double duty. - */ - -static int -DoGetFBConfigs(__GLXclientState *cl, unsigned screen) -{ - ClientPtr client = cl->client; - xGLXGetFBConfigsReply reply; - __GLXscreen *pGlxScreen; - CARD32 buf[__GLX_FBCONFIG_ATTRIBS_LENGTH]; - int p, err; - __GLXconfig *modes; - __GLX_DECLARE_SWAP_VARIABLES; - __GLX_DECLARE_SWAP_ARRAY_VARIABLES; - - if (!validGlxScreen(cl->client, screen, &pGlxScreen, &err)) - return err; - - reply.numFBConfigs = pGlxScreen->numFBConfigs; - reply.numAttribs = __GLX_TOTAL_FBCONFIG_ATTRIBS; - reply.length = (__GLX_FBCONFIG_ATTRIBS_LENGTH * reply.numFBConfigs); - reply.type = X_Reply; - reply.sequenceNumber = client->sequence; - - if (client->swapped) { - __GLX_SWAP_SHORT(&reply.sequenceNumber); - __GLX_SWAP_INT(&reply.length); - __GLX_SWAP_INT(&reply.numFBConfigs); - __GLX_SWAP_INT(&reply.numAttribs); - } - - WriteToClient(client, sz_xGLXGetFBConfigsReply, (char *)&reply); - - for (modes = pGlxScreen->fbconfigs; modes != NULL; modes = modes->next) { - p = 0; - -#define WRITE_PAIR(tag,value) \ - do { buf[p++] = tag ; buf[p++] = value ; } while( 0 ) - - WRITE_PAIR( GLX_VISUAL_ID, modes->visualID ); - WRITE_PAIR( GLX_FBCONFIG_ID, modes->fbconfigID ); - WRITE_PAIR( GLX_X_RENDERABLE, GL_TRUE ); - - WRITE_PAIR( GLX_RGBA, - (modes->renderType & GLX_RGBA_BIT) ? GL_TRUE : GL_FALSE ); - WRITE_PAIR( GLX_RENDER_TYPE, modes->renderType ); - WRITE_PAIR( GLX_DOUBLEBUFFER, modes->doubleBufferMode ); - WRITE_PAIR( GLX_STEREO, modes->stereoMode ); - - WRITE_PAIR( GLX_BUFFER_SIZE, modes->rgbBits ); - WRITE_PAIR( GLX_LEVEL, modes->level ); - WRITE_PAIR( GLX_AUX_BUFFERS, modes->numAuxBuffers ); - WRITE_PAIR( GLX_RED_SIZE, modes->redBits ); - WRITE_PAIR( GLX_GREEN_SIZE, modes->greenBits ); - WRITE_PAIR( GLX_BLUE_SIZE, modes->blueBits ); - WRITE_PAIR( GLX_ALPHA_SIZE, modes->alphaBits ); - WRITE_PAIR( GLX_ACCUM_RED_SIZE, modes->accumRedBits ); - WRITE_PAIR( GLX_ACCUM_GREEN_SIZE, modes->accumGreenBits ); - WRITE_PAIR( GLX_ACCUM_BLUE_SIZE, modes->accumBlueBits ); - WRITE_PAIR( GLX_ACCUM_ALPHA_SIZE, modes->accumAlphaBits ); - WRITE_PAIR( GLX_DEPTH_SIZE, modes->depthBits ); - WRITE_PAIR( GLX_STENCIL_SIZE, modes->stencilBits ); - WRITE_PAIR( GLX_X_VISUAL_TYPE, modes->visualType ); - WRITE_PAIR( GLX_CONFIG_CAVEAT, modes->visualRating ); - WRITE_PAIR( GLX_TRANSPARENT_TYPE, modes->transparentPixel ); - WRITE_PAIR( GLX_TRANSPARENT_RED_VALUE, modes->transparentRed ); - WRITE_PAIR( GLX_TRANSPARENT_GREEN_VALUE, modes->transparentGreen ); - WRITE_PAIR( GLX_TRANSPARENT_BLUE_VALUE, modes->transparentBlue ); - WRITE_PAIR( GLX_TRANSPARENT_ALPHA_VALUE, modes->transparentAlpha ); - WRITE_PAIR( GLX_TRANSPARENT_INDEX_VALUE, modes->transparentIndex ); - WRITE_PAIR( GLX_SWAP_METHOD_OML, modes->swapMethod ); - WRITE_PAIR( GLX_SAMPLES_SGIS, modes->samples ); - WRITE_PAIR( GLX_SAMPLE_BUFFERS_SGIS, modes->sampleBuffers ); - /* GLX_VISUAL_SELECT_GROUP_SGIX ? */ - WRITE_PAIR( GLX_DRAWABLE_TYPE, modes->drawableType ); - WRITE_PAIR( GLX_BIND_TO_TEXTURE_RGB_EXT, modes->bindToTextureRgb ); - WRITE_PAIR( GLX_BIND_TO_TEXTURE_RGBA_EXT, modes->bindToTextureRgba ); - WRITE_PAIR( GLX_BIND_TO_MIPMAP_TEXTURE_EXT, modes->bindToMipmapTexture ); - WRITE_PAIR( GLX_BIND_TO_TEXTURE_TARGETS_EXT, modes->bindToTextureTargets ); - - if (client->swapped) { - __GLX_SWAP_INT_ARRAY(buf, __GLX_FBCONFIG_ATTRIBS_LENGTH); - } - WriteToClient(client, __GLX_SIZE_CARD32 * __GLX_FBCONFIG_ATTRIBS_LENGTH, - (char *)buf); - } - return Success; -} - - -int __glXDisp_GetFBConfigs(__GLXclientState *cl, GLbyte *pc) -{ - xGLXGetFBConfigsReq *req = (xGLXGetFBConfigsReq *) pc; - return DoGetFBConfigs(cl, req->screen); -} - -int __glXDisp_GetFBConfigsSGIX(__GLXclientState *cl, GLbyte *pc) -{ - xGLXGetFBConfigsSGIXReq *req = (xGLXGetFBConfigsSGIXReq *) pc; - return DoGetFBConfigs(cl, req->screen); -} - -GLboolean -__glXDrawableInit(__GLXdrawable *drawable, - __GLXscreen *screen, DrawablePtr pDraw, int type, - XID drawId, __GLXconfig *config) -{ - drawable->pDraw = pDraw; - drawable->type = type; - drawable->drawId = drawId; - drawable->config = config; - drawable->eventMask = 0; - - return GL_TRUE; -} - -void -__glXDrawableRelease(__GLXdrawable *drawable) -{ - ScreenPtr pScreen = drawable->pDraw->pScreen; - - switch (drawable->type) { - case GLX_DRAWABLE_PIXMAP: - case GLX_DRAWABLE_PBUFFER: - (*pScreen->DestroyPixmap)((PixmapPtr) drawable->pDraw); - break; - } -} - -static int -DoCreateGLXDrawable(ClientPtr client, __GLXscreen *pGlxScreen, __GLXconfig *config, - DrawablePtr pDraw, XID glxDrawableId, int type) -{ - __GLXdrawable *pGlxDraw; - - LEGAL_NEW_RESOURCE(glxDrawableId, client); - - if (pGlxScreen->pScreen != pDraw->pScreen) - return BadMatch; - - pGlxDraw = pGlxScreen->createDrawable(pGlxScreen, pDraw, type, - glxDrawableId, config); - if (pGlxDraw == NULL) - return BadAlloc; - - if (!AddResource(glxDrawableId, __glXDrawableRes, pGlxDraw)) { - pGlxDraw->destroy (pGlxDraw); - return BadAlloc; - } - - return Success; -} - -static int -DoCreateGLXPixmap(ClientPtr client, __GLXscreen *pGlxScreen, __GLXconfig *config, - XID drawableId, XID glxDrawableId) -{ - DrawablePtr pDraw; - int err; - - err = dixLookupDrawable(&pDraw, drawableId, client, 0, DixAddAccess); - if (err != Success) { - client->errorValue = drawableId; - return err; - } - if (pDraw->type != DRAWABLE_PIXMAP) { - client->errorValue = drawableId; - return BadPixmap; - } - - err = DoCreateGLXDrawable(client, pGlxScreen, config, pDraw, - glxDrawableId, GLX_DRAWABLE_PIXMAP); - - if (err == Success) - ((PixmapPtr) pDraw)->refcnt++; - - return err; -} - -static void -determineTextureTarget(ClientPtr client, XID glxDrawableID, - CARD32 *attribs, CARD32 numAttribs) -{ - GLenum target = 0; - GLenum format = 0; - int i, err; - __GLXdrawable *pGlxDraw; - - if (!validGlxDrawable(client, glxDrawableID, GLX_DRAWABLE_PIXMAP, - DixWriteAccess, &pGlxDraw, &err)) - /* We just added it in CreatePixmap, so we should never get here. */ - return; - - for (i = 0; i < numAttribs; i++) { - if (attribs[2 * i] == GLX_TEXTURE_TARGET_EXT) { - switch (attribs[2 * i + 1]) { - case GLX_TEXTURE_2D_EXT: - target = GL_TEXTURE_2D; - break; - case GLX_TEXTURE_RECTANGLE_EXT: - target = GL_TEXTURE_RECTANGLE_ARB; - break; - } - } - - if (attribs[2 * i] == GLX_TEXTURE_FORMAT_EXT) - format = attribs[2 * i + 1]; - } - - if (!target) { - int w = pGlxDraw->pDraw->width, h = pGlxDraw->pDraw->height; - - if (h & (h - 1) || w & (w - 1)) - target = GL_TEXTURE_RECTANGLE_ARB; - else - target = GL_TEXTURE_2D; - } - - pGlxDraw->target = target; - pGlxDraw->format = format; -} - -int __glXDisp_CreateGLXPixmap(__GLXclientState *cl, GLbyte *pc) -{ - xGLXCreateGLXPixmapReq *req = (xGLXCreateGLXPixmapReq *) pc; - __GLXconfig *config; - __GLXscreen *pGlxScreen; - int err; - - if (!validGlxScreen(cl->client, req->screen, &pGlxScreen, &err)) - return err; - if (!validGlxVisual(cl->client, pGlxScreen, req->visual, &config, &err)) - return err; - - return DoCreateGLXPixmap(cl->client, pGlxScreen, config, - req->pixmap, req->glxpixmap); -} - -int __glXDisp_CreatePixmap(__GLXclientState *cl, GLbyte *pc) -{ - xGLXCreatePixmapReq *req = (xGLXCreatePixmapReq *) pc; - __GLXconfig *config; - __GLXscreen *pGlxScreen; - int err; - - if (!validGlxScreen(cl->client, req->screen, &pGlxScreen, &err)) - return err; - if (!validGlxFBConfig(cl->client, pGlxScreen, req->fbconfig, &config, &err)) - return err; - - err = DoCreateGLXPixmap(cl->client, pGlxScreen, config, - req->pixmap, req->glxpixmap); - if (err != Success) - return err; - - determineTextureTarget(cl->client, req->glxpixmap, - (CARD32*) (req + 1), req->numAttribs); - - return Success; -} - -int __glXDisp_CreateGLXPixmapWithConfigSGIX(__GLXclientState *cl, GLbyte *pc) -{ - xGLXCreateGLXPixmapWithConfigSGIXReq *req = - (xGLXCreateGLXPixmapWithConfigSGIXReq *) pc; - __GLXconfig *config; - __GLXscreen *pGlxScreen; - int err; - - if (!validGlxScreen(cl->client, req->screen, &pGlxScreen, &err)) - return err; - if (!validGlxFBConfig(cl->client, pGlxScreen, req->fbconfig, &config, &err)) - return err; - - return DoCreateGLXPixmap(cl->client, pGlxScreen, - config, req->pixmap, req->glxpixmap); -} - - -static int DoDestroyDrawable(__GLXclientState *cl, XID glxdrawable, int type) -{ - __GLXdrawable *pGlxDraw; - int err; - - if (!validGlxDrawable(cl->client, glxdrawable, type, - DixDestroyAccess, &pGlxDraw, &err)) - return err; - - FreeResource(glxdrawable, FALSE); - - return Success; -} - -int __glXDisp_DestroyGLXPixmap(__GLXclientState *cl, GLbyte *pc) -{ - xGLXDestroyGLXPixmapReq *req = (xGLXDestroyGLXPixmapReq *) pc; - - return DoDestroyDrawable(cl, req->glxpixmap, GLX_DRAWABLE_PIXMAP); -} - -int __glXDisp_DestroyPixmap(__GLXclientState *cl, GLbyte *pc) -{ - xGLXDestroyPixmapReq *req = (xGLXDestroyPixmapReq *) pc; - - return DoDestroyDrawable(cl, req->glxpixmap, GLX_DRAWABLE_PIXMAP); -} - -static int -DoCreatePbuffer(ClientPtr client, int screenNum, XID fbconfigId, - int width, int height, XID glxDrawableId) -{ - __GLXconfig *config; - __GLXscreen *pGlxScreen; - PixmapPtr pPixmap; - int err; - - if (!validGlxScreen(client, screenNum, &pGlxScreen, &err)) - return err; - if (!validGlxFBConfig(client, pGlxScreen, fbconfigId, &config, &err)) - return err; - - __glXenterServer(GL_FALSE); - pPixmap = (*pGlxScreen->pScreen->CreatePixmap) (pGlxScreen->pScreen, - width, height, config->rgbBits, 0); - __glXleaveServer(GL_FALSE); - - return DoCreateGLXDrawable(client, pGlxScreen, config, &pPixmap->drawable, - glxDrawableId, GLX_DRAWABLE_PBUFFER); -} - -int __glXDisp_CreatePbuffer(__GLXclientState *cl, GLbyte *pc) -{ - xGLXCreatePbufferReq *req = (xGLXCreatePbufferReq *) pc; - CARD32 *attrs; - int width, height, i; - - attrs = (CARD32 *) (req + 1); - width = 0; - height = 0; - - for (i = 0; i < req->numAttribs; i++) { - switch (attrs[i * 2]) { - case GLX_PBUFFER_WIDTH: - width = attrs[i * 2 + 1]; - break; - case GLX_PBUFFER_HEIGHT: - height = attrs[i * 2 + 1]; - break; - case GLX_LARGEST_PBUFFER: - case GLX_PRESERVED_CONTENTS: - /* FIXME: huh... */ - break; - } - } - - return DoCreatePbuffer(cl->client, req->screen, req->fbconfig, - width, height, req->pbuffer); -} - -int __glXDisp_CreateGLXPbufferSGIX(__GLXclientState *cl, GLbyte *pc) -{ - xGLXCreateGLXPbufferSGIXReq *req = (xGLXCreateGLXPbufferSGIXReq *) pc; - - return DoCreatePbuffer(cl->client, req->screen, req->fbconfig, - req->width, req->height, req->pbuffer); -} - -int __glXDisp_DestroyPbuffer(__GLXclientState *cl, GLbyte *pc) -{ - xGLXDestroyPbufferReq *req = (xGLXDestroyPbufferReq *) pc; - - return DoDestroyDrawable(cl, req->pbuffer, GLX_DRAWABLE_PBUFFER); -} - -int __glXDisp_DestroyGLXPbufferSGIX(__GLXclientState *cl, GLbyte *pc) -{ - xGLXDestroyGLXPbufferSGIXReq *req = (xGLXDestroyGLXPbufferSGIXReq *) pc; - - return DoDestroyDrawable(cl, req->pbuffer, GLX_DRAWABLE_PBUFFER); -} - -static int -DoChangeDrawableAttributes(ClientPtr client, XID glxdrawable, - int numAttribs, CARD32 *attribs) -{ - __GLXdrawable *pGlxDraw; - int i, err; - - if (!validGlxDrawable(client, glxdrawable, GLX_DRAWABLE_ANY, - DixSetAttrAccess, &pGlxDraw, &err)) - return err; - - for (i = 0; i < numAttribs; i++) { - switch(attribs[i * 2]) { - case GLX_EVENT_MASK: - /* All we do is to record the event mask so we can send it - * back when queried. We never actually clobber the - * pbuffers, so we never need to send out the event. */ - pGlxDraw->eventMask = attribs[i * 2 + 1]; - break; - } - } - - return Success; -} - -int __glXDisp_ChangeDrawableAttributes(__GLXclientState *cl, GLbyte *pc) -{ - xGLXChangeDrawableAttributesReq *req = - (xGLXChangeDrawableAttributesReq *) pc; - - return DoChangeDrawableAttributes(cl->client, req->drawable, - req->numAttribs, (CARD32 *) (req + 1)); -} - -int __glXDisp_ChangeDrawableAttributesSGIX(__GLXclientState *cl, GLbyte *pc) -{ - xGLXChangeDrawableAttributesSGIXReq *req = - (xGLXChangeDrawableAttributesSGIXReq *)pc; - - return DoChangeDrawableAttributes(cl->client, req->drawable, - req->numAttribs, (CARD32 *) (req + 1)); -} - -int __glXDisp_CreateWindow(__GLXclientState *cl, GLbyte *pc) -{ - xGLXCreateWindowReq *req = (xGLXCreateWindowReq *) pc; - __GLXconfig *config; - __GLXscreen *pGlxScreen; - ClientPtr client = cl->client; - DrawablePtr pDraw; - int err; - - if (!validGlxScreen(client, req->screen, &pGlxScreen, &err)) - return err; - if (!validGlxFBConfig(client, pGlxScreen, req->fbconfig, &config, &err)) - return err; - - err = dixLookupDrawable(&pDraw, req->window, client, 0, DixAddAccess); - if (err != Success || pDraw->type != DRAWABLE_WINDOW) { - client->errorValue = req->window; - return BadWindow; - } - - if (!validGlxFBConfigForWindow(client, config, pDraw, &err)) - return err; - - return DoCreateGLXDrawable(client, pGlxScreen, config, - pDraw, req->glxwindow, GLX_DRAWABLE_WINDOW); -} - -int __glXDisp_DestroyWindow(__GLXclientState *cl, GLbyte *pc) -{ - xGLXDestroyWindowReq *req = (xGLXDestroyWindowReq *) pc; - - return DoDestroyDrawable(cl, req->glxwindow, GLX_DRAWABLE_WINDOW); -} - - -/*****************************************************************************/ - -/* -** NOTE: There is no portable implementation for swap buffers as of -** this time that is of value. Consequently, this code must be -** implemented by somebody other than SGI. -*/ -int __glXDisp_SwapBuffers(__GLXclientState *cl, GLbyte *pc) -{ - ClientPtr client = cl->client; - xGLXSwapBuffersReq *req = (xGLXSwapBuffersReq *) pc; - GLXContextTag tag = req->contextTag; - XID drawId = req->drawable; - __GLXcontext *glxc = NULL; - __GLXdrawable *pGlxDraw; - int error; - - if (tag) { - glxc = __glXLookupContextByTag(cl, tag); - if (!glxc) { - return __glXError(GLXBadContextTag); - } - /* - ** The calling thread is swapping its current drawable. In this case, - ** glxSwapBuffers is in both GL and X streams, in terms of - ** sequentiality. - */ - if (__glXForceCurrent(cl, tag, &error)) { - /* - ** Do whatever is needed to make sure that all preceding requests - ** in both streams are completed before the swap is executed. - */ - CALL_Finish( GET_DISPATCH(), () ); - __GLX_NOTE_FLUSHED_CMDS(glxc); - } else { - return error; - } - } - - pGlxDraw = __glXGetDrawable(glxc, drawId, client, &error); - if (pGlxDraw == NULL) - return error; - - if (pGlxDraw->type == DRAWABLE_WINDOW && - (*pGlxDraw->swapBuffers)(pGlxDraw) == GL_FALSE) - return __glXError(GLXBadDrawable); - - return Success; -} - - -static int -DoQueryContext(__GLXclientState *cl, GLXContextID gcId) -{ - ClientPtr client = cl->client; - __GLXcontext *ctx; - xGLXQueryContextInfoEXTReply reply; - int nProps; - int *sendBuf, *pSendBuf; - int nReplyBytes; - int err; - - if (!validGlxContext(cl->client, gcId, DixReadAccess, &ctx, &err)) - return err; - - nProps = 3; - reply.length = nProps << 1; - reply.type = X_Reply; - reply.sequenceNumber = client->sequence; - reply.n = nProps; - - nReplyBytes = reply.length << 2; - sendBuf = (int *)xalloc((size_t)nReplyBytes); - if (sendBuf == NULL) { - return __glXError(GLXBadContext); /* XXX: Is this correct? */ - } - pSendBuf = sendBuf; - *pSendBuf++ = GLX_SHARE_CONTEXT_EXT; - *pSendBuf++ = (int)(ctx->share_id); - *pSendBuf++ = GLX_VISUAL_ID_EXT; - *pSendBuf++ = (int)(ctx->config->visualID); - *pSendBuf++ = GLX_SCREEN_EXT; - *pSendBuf++ = (int)(ctx->pGlxScreen->pScreen->myNum); - - if (client->swapped) { - __glXSwapQueryContextInfoEXTReply(client, &reply, sendBuf); - } else { - WriteToClient(client, sz_xGLXQueryContextInfoEXTReply, (char *)&reply); - WriteToClient(client, nReplyBytes, (char *)sendBuf); - } - xfree((char *)sendBuf); - - return Success; -} - -int __glXDisp_QueryContextInfoEXT(__GLXclientState *cl, GLbyte *pc) -{ - xGLXQueryContextInfoEXTReq *req = (xGLXQueryContextInfoEXTReq *) pc; - - return DoQueryContext(cl, req->context); -} - -int __glXDisp_QueryContext(__GLXclientState *cl, GLbyte *pc) -{ - xGLXQueryContextReq *req = (xGLXQueryContextReq *) pc; - - return DoQueryContext(cl, req->context); -} - -int __glXDisp_BindTexImageEXT(__GLXclientState *cl, GLbyte *pc) -{ - xGLXVendorPrivateReq *req = (xGLXVendorPrivateReq *) pc; - ClientPtr client = cl->client; - __GLXcontext *context; - __GLXdrawable *pGlxDraw; - GLXDrawable drawId; - int buffer; - int error; - - pc += __GLX_VENDPRIV_HDR_SIZE; - - drawId = *((CARD32 *) (pc)); - buffer = *((INT32 *) (pc + 4)); - - if (buffer != GLX_FRONT_LEFT_EXT) - return __glXError(GLXBadPixmap); - - context = __glXForceCurrent (cl, req->contextTag, &error); - if (!context) - return error; - - if (!validGlxDrawable(client, drawId, GLX_DRAWABLE_PIXMAP, - DixReadAccess, &pGlxDraw, &error)) - return error; - - if (!context->textureFromPixmap) - return __glXError(GLXUnsupportedPrivateRequest); - - return context->textureFromPixmap->bindTexImage(context, - buffer, - pGlxDraw); -} - -int __glXDisp_ReleaseTexImageEXT(__GLXclientState *cl, GLbyte *pc) -{ - xGLXVendorPrivateReq *req = (xGLXVendorPrivateReq *) pc; - ClientPtr client = cl->client; - __GLXdrawable *pGlxDraw; - __GLXcontext *context; - GLXDrawable drawId; - int buffer; - int error; - - pc += __GLX_VENDPRIV_HDR_SIZE; - - drawId = *((CARD32 *) (pc)); - buffer = *((INT32 *) (pc + 4)); - - context = __glXForceCurrent (cl, req->contextTag, &error); - if (!context) - return error; - - if (!validGlxDrawable(client, drawId, GLX_DRAWABLE_PIXMAP, - DixReadAccess, &pGlxDraw, &error)) - return error; - - if (!context->textureFromPixmap) - return __glXError(GLXUnsupportedPrivateRequest); - - return context->textureFromPixmap->releaseTexImage(context, - buffer, - pGlxDraw); -} - -int __glXDisp_CopySubBufferMESA(__GLXclientState *cl, GLbyte *pc) -{ - xGLXVendorPrivateReq *req = (xGLXVendorPrivateReq *) pc; - GLXContextTag tag = req->contextTag; - __GLXcontext *glxc = NULL; - __GLXdrawable *pGlxDraw; - ClientPtr client = cl->client; - GLXDrawable drawId; - int error; - int x, y, width, height; - - (void) client; - (void) req; - - pc += __GLX_VENDPRIV_HDR_SIZE; - - drawId = *((CARD32 *) (pc)); - x = *((INT32 *) (pc + 4)); - y = *((INT32 *) (pc + 8)); - width = *((INT32 *) (pc + 12)); - height = *((INT32 *) (pc + 16)); - - if (tag) { - glxc = __glXLookupContextByTag(cl, tag); - if (!glxc) { - return __glXError(GLXBadContextTag); - } - /* - ** The calling thread is swapping its current drawable. In this case, - ** glxSwapBuffers is in both GL and X streams, in terms of - ** sequentiality. - */ - if (__glXForceCurrent(cl, tag, &error)) { - /* - ** Do whatever is needed to make sure that all preceding requests - ** in both streams are completed before the swap is executed. - */ - CALL_Finish( GET_DISPATCH(), () ); - __GLX_NOTE_FLUSHED_CMDS(glxc); - } else { - return error; - } - } - - pGlxDraw = __glXGetDrawable(glxc, drawId, client, &error); - if (!pGlxDraw) - return error; - - if (pGlxDraw == NULL || - pGlxDraw->type != GLX_DRAWABLE_WINDOW || - pGlxDraw->copySubBuffer == NULL) - return __glXError(GLXBadDrawable); - - (*pGlxDraw->copySubBuffer)(pGlxDraw, x, y, width, height); - - return Success; -} - -/* -** Get drawable attributes -*/ -static int -DoGetDrawableAttributes(__GLXclientState *cl, XID drawId) -{ - ClientPtr client = cl->client; - xGLXGetDrawableAttributesReply reply; - __GLXdrawable *pGlxDraw; - CARD32 attributes[6]; - int numAttribs, error; - - if (!validGlxDrawable(client, drawId, GLX_DRAWABLE_ANY, - DixGetAttrAccess, &pGlxDraw, &error)) - return error; - - numAttribs = 3; - reply.length = numAttribs << 1; - reply.type = X_Reply; - reply.sequenceNumber = client->sequence; - reply.numAttribs = numAttribs; - - attributes[0] = GLX_TEXTURE_TARGET_EXT; - attributes[1] = pGlxDraw->target == GL_TEXTURE_2D ? GLX_TEXTURE_2D_EXT : - GLX_TEXTURE_RECTANGLE_EXT; - attributes[2] = GLX_Y_INVERTED_EXT; - attributes[3] = GL_FALSE; - attributes[4] = GLX_EVENT_MASK; - attributes[5] = pGlxDraw->eventMask; - - if (client->swapped) { - __glXSwapGetDrawableAttributesReply(client, &reply, attributes); - } else { - WriteToClient(client, sz_xGLXGetDrawableAttributesReply, - (char *)&reply); - WriteToClient(client, reply.length * sizeof (CARD32), - (char *)attributes); - } - - return Success; -} - -int __glXDisp_GetDrawableAttributes(__GLXclientState *cl, GLbyte *pc) -{ - xGLXGetDrawableAttributesReq *req = (xGLXGetDrawableAttributesReq *)pc; - - return DoGetDrawableAttributes(cl, req->drawable); -} - -int __glXDisp_GetDrawableAttributesSGIX(__GLXclientState *cl, GLbyte *pc) -{ - xGLXGetDrawableAttributesSGIXReq *req = - (xGLXGetDrawableAttributesSGIXReq *)pc; - - return DoGetDrawableAttributes(cl, req->drawable); -} - -/************************************************************************/ - -/* -** Render and Renderlarge are not in the GLX API. They are used by the GLX -** client library to send batches of GL rendering commands. -*/ - -/* -** Execute all the drawing commands in a request. -*/ -int __glXDisp_Render(__GLXclientState *cl, GLbyte *pc) -{ - xGLXRenderReq *req; - ClientPtr client= cl->client; - int left, cmdlen, error; - int commandsDone; - CARD16 opcode; - __GLXrenderHeader *hdr; - __GLXcontext *glxc; - __GLX_DECLARE_SWAP_VARIABLES; - - req = (xGLXRenderReq *) pc; - if (client->swapped) { - __GLX_SWAP_SHORT(&req->length); - __GLX_SWAP_INT(&req->contextTag); - } - - glxc = __glXForceCurrent(cl, req->contextTag, &error); - if (!glxc) { - return error; - } - - commandsDone = 0; - pc += sz_xGLXRenderReq; - left = (req->length << 2) - sz_xGLXRenderReq; - while (left > 0) { - __GLXrenderSizeData entry; - int extra; - __GLXdispatchRenderProcPtr proc; - int err; - - /* - ** Verify that the header length and the overall length agree. - ** Also, each command must be word aligned. - */ - hdr = (__GLXrenderHeader *) pc; - if (client->swapped) { - __GLX_SWAP_SHORT(&hdr->length); - __GLX_SWAP_SHORT(&hdr->opcode); - } - cmdlen = hdr->length; - opcode = hdr->opcode; - - /* - ** Check for core opcodes and grab entry data. - */ - err = __glXGetProtocolSizeData(& Render_dispatch_info, opcode, & entry); - proc = (__GLXdispatchRenderProcPtr) - __glXGetProtocolDecodeFunction(& Render_dispatch_info, - opcode, client->swapped); - - if ((err < 0) || (proc == NULL)) { - client->errorValue = commandsDone; - return __glXError(GLXBadRenderRequest); - } - - if (entry.varsize) { - /* variable size command */ - extra = (*entry.varsize)(pc + __GLX_RENDER_HDR_SIZE, - client->swapped); - if (extra < 0) { - extra = 0; - } - if (cmdlen != __GLX_PAD(entry.bytes + extra)) { - return BadLength; - } - } else { - /* constant size command */ - if (cmdlen != __GLX_PAD(entry.bytes)) { - return BadLength; - } - } - if (left < cmdlen) { - return BadLength; - } - - /* - ** Skip over the header and execute the command. We allow the - ** caller to trash the command memory. This is useful especially - ** for things that require double alignment - they can just shift - ** the data towards lower memory (trashing the header) by 4 bytes - ** and achieve the required alignment. - */ - (*proc)(pc + __GLX_RENDER_HDR_SIZE); - pc += cmdlen; - left -= cmdlen; - commandsDone++; - } - __GLX_NOTE_UNFLUSHED_CMDS(glxc); - return Success; -} - - -/* -** Execute a large rendering request (one that spans multiple X requests). -*/ -int __glXDisp_RenderLarge(__GLXclientState *cl, GLbyte *pc) -{ - xGLXRenderLargeReq *req; - ClientPtr client= cl->client; - size_t dataBytes; - __GLXrenderLargeHeader *hdr; - __GLXcontext *glxc; - int error; - CARD16 opcode; - __GLX_DECLARE_SWAP_VARIABLES; - - req = (xGLXRenderLargeReq *) pc; - if (client->swapped) { - __GLX_SWAP_SHORT(&req->length); - __GLX_SWAP_INT(&req->contextTag); - __GLX_SWAP_INT(&req->dataBytes); - __GLX_SWAP_SHORT(&req->requestNumber); - __GLX_SWAP_SHORT(&req->requestTotal); - } - - glxc = __glXForceCurrent(cl, req->contextTag, &error); - if (!glxc) { - /* Reset in case this isn't 1st request. */ - __glXResetLargeCommandStatus(cl); - return error; - } - dataBytes = req->dataBytes; - - /* - ** Check the request length. - */ - if ((req->length << 2) != __GLX_PAD(dataBytes) + sz_xGLXRenderLargeReq) { - client->errorValue = req->length; - /* Reset in case this isn't 1st request. */ - __glXResetLargeCommandStatus(cl); - return BadLength; - } - pc += sz_xGLXRenderLargeReq; - - if (cl->largeCmdRequestsSoFar == 0) { - __GLXrenderSizeData entry; - int extra; - size_t cmdlen; - int err; - - /* - ** This is the first request of a multi request command. - ** Make enough space in the buffer, then copy the entire request. - */ - if (req->requestNumber != 1) { - client->errorValue = req->requestNumber; - return __glXError(GLXBadLargeRequest); - } - - hdr = (__GLXrenderLargeHeader *) pc; - if (client->swapped) { - __GLX_SWAP_INT(&hdr->length); - __GLX_SWAP_INT(&hdr->opcode); - } - cmdlen = hdr->length; - opcode = hdr->opcode; - - /* - ** Check for core opcodes and grab entry data. - */ - err = __glXGetProtocolSizeData(& Render_dispatch_info, opcode, & entry); - if (err < 0) { - client->errorValue = opcode; - return __glXError(GLXBadLargeRequest); - } - - if (entry.varsize) { - /* - ** If it's a variable-size command (a command whose length must - ** be computed from its parameters), all the parameters needed - ** will be in the 1st request, so it's okay to do this. - */ - extra = (*entry.varsize)(pc + __GLX_RENDER_LARGE_HDR_SIZE, - client->swapped); - if (extra < 0) { - extra = 0; - } - /* large command's header is 4 bytes longer, so add 4 */ - if (cmdlen != __GLX_PAD(entry.bytes + 4 + extra)) { - return BadLength; - } - } else { - /* constant size command */ - if (cmdlen != __GLX_PAD(entry.bytes + 4)) { - return BadLength; - } - } - /* - ** Make enough space in the buffer, then copy the entire request. - */ - if (cl->largeCmdBufSize < cmdlen) { - if (!cl->largeCmdBuf) { - cl->largeCmdBuf = (GLbyte *) xalloc(cmdlen); - } else { - cl->largeCmdBuf = (GLbyte *) xrealloc(cl->largeCmdBuf, cmdlen); - } - if (!cl->largeCmdBuf) { - return BadAlloc; - } - cl->largeCmdBufSize = cmdlen; - } - memcpy(cl->largeCmdBuf, pc, dataBytes); - - cl->largeCmdBytesSoFar = dataBytes; - cl->largeCmdBytesTotal = cmdlen; - cl->largeCmdRequestsSoFar = 1; - cl->largeCmdRequestsTotal = req->requestTotal; - return Success; - - } else { - /* - ** We are receiving subsequent (i.e. not the first) requests of a - ** multi request command. - */ - - /* - ** Check the request number and the total request count. - */ - if (req->requestNumber != cl->largeCmdRequestsSoFar + 1) { - client->errorValue = req->requestNumber; - __glXResetLargeCommandStatus(cl); - return __glXError(GLXBadLargeRequest); - } - if (req->requestTotal != cl->largeCmdRequestsTotal) { - client->errorValue = req->requestTotal; - __glXResetLargeCommandStatus(cl); - return __glXError(GLXBadLargeRequest); - } - - /* - ** Check that we didn't get too much data. - */ - if ((cl->largeCmdBytesSoFar + dataBytes) > cl->largeCmdBytesTotal) { - client->errorValue = dataBytes; - __glXResetLargeCommandStatus(cl); - return __glXError(GLXBadLargeRequest); - } - memcpy(cl->largeCmdBuf + cl->largeCmdBytesSoFar, pc, dataBytes); - cl->largeCmdBytesSoFar += dataBytes; - cl->largeCmdRequestsSoFar++; - - if (req->requestNumber == cl->largeCmdRequestsTotal) { - __GLXdispatchRenderProcPtr proc; - - /* - ** This is the last request; it must have enough bytes to complete - ** the command. - */ - /* NOTE: the two pad macros have been added below; they are needed - ** because the client library pads the total byte count, but not - ** the per-request byte counts. The Protocol Encoding says the - ** total byte count should not be padded, so a proposal will be - ** made to the ARB to relax the padding constraint on the total - ** byte count, thus preserving backward compatibility. Meanwhile, - ** the padding done below fixes a bug that did not allow - ** large commands of odd sizes to be accepted by the server. - */ - if (__GLX_PAD(cl->largeCmdBytesSoFar) != - __GLX_PAD(cl->largeCmdBytesTotal)) { - client->errorValue = dataBytes; - __glXResetLargeCommandStatus(cl); - return __glXError(GLXBadLargeRequest); - } - hdr = (__GLXrenderLargeHeader *) cl->largeCmdBuf; - /* - ** The opcode and length field in the header had already been - ** swapped when the first request was received. - ** - ** Use the opcode to index into the procedure table. - */ - opcode = hdr->opcode; - - proc = (__GLXdispatchRenderProcPtr) - __glXGetProtocolDecodeFunction(& Render_dispatch_info, opcode, - client->swapped); - if (proc == NULL) { - client->errorValue = opcode; - return __glXError(GLXBadLargeRequest); - } - - /* - ** Skip over the header and execute the command. - */ - (*proc)(cl->largeCmdBuf + __GLX_RENDER_LARGE_HDR_SIZE); - __GLX_NOTE_UNFLUSHED_CMDS(glxc); - - /* - ** Reset for the next RenderLarge series. - */ - __glXResetLargeCommandStatus(cl); - } else { - /* - ** This is neither the first nor the last request. - */ - } - return Success; - } -} - -extern RESTYPE __glXSwapBarrierRes; - -int __glXDisp_BindSwapBarrierSGIX(__GLXclientState *cl, GLbyte *pc) -{ - ClientPtr client = cl->client; - xGLXBindSwapBarrierSGIXReq *req = (xGLXBindSwapBarrierSGIXReq *) pc; - XID drawable = req->drawable; - int barrier = req->barrier; - DrawablePtr pDraw; - int screen, rc; - __GLXscreen *pGlxScreen; - - rc = dixLookupDrawable(&pDraw, drawable, client, 0, DixGetAttrAccess); - pGlxScreen = glxGetScreen(pDraw->pScreen); - if (rc == Success && (pDraw->type == DRAWABLE_WINDOW)) { - screen = pDraw->pScreen->myNum; - if (pGlxScreen->swapBarrierFuncs) { - int ret = pGlxScreen->swapBarrierFuncs->bindSwapBarrierFunc(screen, drawable, barrier); - if (ret == Success) { - if (barrier) - /* add source for cleanup when drawable is gone */ - AddResource(drawable, __glXSwapBarrierRes, (pointer)screen); - else - /* delete source */ - FreeResourceByType(drawable, __glXSwapBarrierRes, FALSE); - } - return ret; - } - } - client->errorValue = drawable; - return __glXError(GLXBadDrawable); -} - - -int __glXDisp_QueryMaxSwapBarriersSGIX(__GLXclientState *cl, GLbyte *pc) -{ - ClientPtr client = cl->client; - xGLXQueryMaxSwapBarriersSGIXReq *req = - (xGLXQueryMaxSwapBarriersSGIXReq *) pc; - xGLXQueryMaxSwapBarriersSGIXReply reply; - int screen = req->screen; - __GLXscreen *pGlxScreen; - - pGlxScreen = glxGetScreen(screenInfo.screens[screen]); - if (pGlxScreen->swapBarrierFuncs) - reply.max = pGlxScreen->swapBarrierFuncs->queryMaxSwapBarriersFunc(screen); - else - reply.max = 0; - - - reply.length = 0; - reply.type = X_Reply; - reply.sequenceNumber = client->sequence; - - if (client->swapped) { - __GLX_DECLARE_SWAP_VARIABLES; - __GLX_SWAP_SHORT(&reply.sequenceNumber); - } - - WriteToClient(client, sz_xGLXQueryMaxSwapBarriersSGIXReply, - (char *) &reply); - return Success; -} - -#define GLX_BAD_HYPERPIPE_SGIX 92 - -int __glXDisp_QueryHyperpipeNetworkSGIX(__GLXclientState *cl, GLbyte *pc) -{ - ClientPtr client = cl->client; - xGLXQueryHyperpipeNetworkSGIXReq * req = (xGLXQueryHyperpipeNetworkSGIXReq *) pc; - xGLXQueryHyperpipeNetworkSGIXReply reply; - int screen = req->screen; - void *rdata = NULL; - - int length=0; - int npipes=0; - - int n= 0; - __GLXscreen *pGlxScreen; - - pGlxScreen = glxGetScreen(screenInfo.screens[screen]); - if (pGlxScreen->hyperpipeFuncs) { - rdata = - (pGlxScreen->hyperpipeFuncs->queryHyperpipeNetworkFunc(screen, &npipes, &n)); - } - length = __GLX_PAD(n) >> 2; - reply.type = X_Reply; - reply.sequenceNumber = client->sequence; - reply.length = length; - reply.n = n; - reply.npipes = npipes; - - if (client->swapped) { - __GLX_DECLARE_SWAP_VARIABLES; - __GLX_SWAP_SHORT(&reply.sequenceNumber); - __GLX_SWAP_INT(&reply.length); - __GLX_SWAP_INT(&reply.n); - __GLX_SWAP_INT(&reply.npipes); - } - WriteToClient(client, sz_xGLXQueryHyperpipeNetworkSGIXReply, - (char *) &reply); - - WriteToClient(client, length << 2, (char *)rdata); - - return Success; -} - -int __glXDisp_DestroyHyperpipeConfigSGIX (__GLXclientState *cl, GLbyte *pc) -{ - ClientPtr client = cl->client; - xGLXDestroyHyperpipeConfigSGIXReq * req = - (xGLXDestroyHyperpipeConfigSGIXReq *) pc; - xGLXDestroyHyperpipeConfigSGIXReply reply; - int screen = req->screen; - int success = GLX_BAD_HYPERPIPE_SGIX; - int hpId ; - __GLXscreen *pGlxScreen; - - hpId = req->hpId; - - pGlxScreen = glxGetScreen(screenInfo.screens[screen]); - if (pGlxScreen->hyperpipeFuncs) { - success = pGlxScreen->hyperpipeFuncs->destroyHyperpipeConfigFunc(screen, hpId); - } - - reply.type = X_Reply; - reply.sequenceNumber = client->sequence; - reply.length = __GLX_PAD(0) >> 2; - reply.n = 0; - reply.success = success; - - - if (client->swapped) { - __GLX_DECLARE_SWAP_VARIABLES; - __GLX_SWAP_SHORT(&reply.sequenceNumber); - } - WriteToClient(client, - sz_xGLXDestroyHyperpipeConfigSGIXReply, - (char *) &reply); - return Success; -} - -int __glXDisp_QueryHyperpipeConfigSGIX(__GLXclientState *cl, GLbyte *pc) -{ - ClientPtr client = cl->client; - xGLXQueryHyperpipeConfigSGIXReq * req = - (xGLXQueryHyperpipeConfigSGIXReq *) pc; - xGLXQueryHyperpipeConfigSGIXReply reply; - int screen = req->screen; - void *rdata = NULL; - int length; - int npipes=0; - int n= 0; - int hpId; - __GLXscreen *pGlxScreen; - - hpId = req->hpId; - - pGlxScreen = glxGetScreen(screenInfo.screens[screen]); - if (pGlxScreen->hyperpipeFuncs) { - rdata = pGlxScreen->hyperpipeFuncs->queryHyperpipeConfigFunc(screen, hpId,&npipes, &n); - } - - length = __GLX_PAD(n) >> 2; - reply.type = X_Reply; - reply.sequenceNumber = client->sequence; - reply.length = length; - reply.n = n; - reply.npipes = npipes; - - - if (client->swapped) { - __GLX_DECLARE_SWAP_VARIABLES; - __GLX_SWAP_SHORT(&reply.sequenceNumber); - __GLX_SWAP_INT(&reply.length); - __GLX_SWAP_INT(&reply.n); - __GLX_SWAP_INT(&reply.npipes); - } - - WriteToClient(client, sz_xGLXQueryHyperpipeConfigSGIXReply, - (char *) &reply); - - WriteToClient(client, length << 2, (char *)rdata); - - return Success; -} - -int __glXDisp_HyperpipeConfigSGIX(__GLXclientState *cl, GLbyte *pc) -{ - ClientPtr client = cl->client; - xGLXHyperpipeConfigSGIXReq * req = - (xGLXHyperpipeConfigSGIXReq *) pc; - xGLXHyperpipeConfigSGIXReply reply; - int screen = req->screen; - void *rdata; - - int npipes=0, networkId; - int hpId=-1; - __GLXscreen *pGlxScreen; - - pGlxScreen = glxGetScreen(screenInfo.screens[screen]); - networkId = (int)req->networkId; - npipes = (int)req->npipes; - rdata = (void *)(req +1); - - if (pGlxScreen->hyperpipeFuncs) { - pGlxScreen->hyperpipeFuncs->hyperpipeConfigFunc(screen,networkId, - &hpId, &npipes, - (void *) rdata); - } - - reply.type = X_Reply; - reply.sequenceNumber = client->sequence; - reply.length = __GLX_PAD(0) >> 2; - reply.n = 0; - reply.npipes = npipes; - reply.hpId = hpId; - - if (client->swapped) { - __GLX_DECLARE_SWAP_VARIABLES; - __GLX_SWAP_SHORT(&reply.sequenceNumber); - __GLX_SWAP_INT(&reply.npipes); - __GLX_SWAP_INT(&reply.hpId); - } - - WriteToClient(client, sz_xGLXHyperpipeConfigSGIXReply, - (char *) &reply); - - return Success; -} - - -/************************************************************************/ - -/* -** No support is provided for the vendor-private requests other than -** allocating the entry points in the dispatch table. -*/ - -int __glXDisp_VendorPrivate(__GLXclientState *cl, GLbyte *pc) -{ - xGLXVendorPrivateReq *req = (xGLXVendorPrivateReq *) pc; - GLint vendorcode = req->vendorCode; - __GLXdispatchVendorPrivProcPtr proc; - - - proc = (__GLXdispatchVendorPrivProcPtr) - __glXGetProtocolDecodeFunction(& VendorPriv_dispatch_info, - vendorcode, 0); - if (proc != NULL) { - (*proc)(cl, (GLbyte*)req); - return Success; - } - - cl->client->errorValue = req->vendorCode; - return __glXError(GLXUnsupportedPrivateRequest); -} - -int __glXDisp_VendorPrivateWithReply(__GLXclientState *cl, GLbyte *pc) -{ - xGLXVendorPrivateReq *req = (xGLXVendorPrivateReq *) pc; - GLint vendorcode = req->vendorCode; - __GLXdispatchVendorPrivProcPtr proc; - - - proc = (__GLXdispatchVendorPrivProcPtr) - __glXGetProtocolDecodeFunction(& VendorPriv_dispatch_info, - vendorcode, 0); - if (proc != NULL) { - return (*proc)(cl, (GLbyte*)req); - } - - cl->client->errorValue = vendorcode; - return __glXError(GLXUnsupportedPrivateRequest); -} - -int __glXDisp_QueryExtensionsString(__GLXclientState *cl, GLbyte *pc) -{ - ClientPtr client = cl->client; - xGLXQueryExtensionsStringReq *req = (xGLXQueryExtensionsStringReq *) pc; - xGLXQueryExtensionsStringReply reply; - __GLXscreen *pGlxScreen; - size_t n, length; - char *buf; - int err; - - if (!validGlxScreen(client, req->screen, &pGlxScreen, &err)) - return err; - - n = strlen(pGlxScreen->GLXextensions) + 1; - length = __GLX_PAD(n) >> 2; - reply.type = X_Reply; - reply.sequenceNumber = client->sequence; - reply.length = length; - reply.n = n; - - /* Allocate buffer to make sure it's a multiple of 4 bytes big.*/ - buf = (char *) xalloc(length << 2); - if (buf == NULL) - return BadAlloc; - memcpy(buf, pGlxScreen->GLXextensions, n); - - if (client->swapped) { - glxSwapQueryExtensionsStringReply(client, &reply, buf); - } else { - WriteToClient(client, sz_xGLXQueryExtensionsStringReply,(char *)&reply); - WriteToClient(client, (int)(length << 2), (char *)buf); - } - - xfree(buf); - return Success; -} - -int __glXDisp_QueryServerString(__GLXclientState *cl, GLbyte *pc) -{ - ClientPtr client = cl->client; - xGLXQueryServerStringReq *req = (xGLXQueryServerStringReq *) pc; - xGLXQueryServerStringReply reply; - size_t n, length; - const char *ptr; - char *buf; - __GLXscreen *pGlxScreen; - int err; - - if (!validGlxScreen(client, req->screen, &pGlxScreen, &err)) - return err; - - switch(req->name) { - case GLX_VENDOR: - ptr = pGlxScreen->GLXvendor; - break; - case GLX_VERSION: - ptr = pGlxScreen->GLXversion; - break; - case GLX_EXTENSIONS: - ptr = pGlxScreen->GLXextensions; - break; - default: - return BadValue; - } - - n = strlen(ptr) + 1; - length = __GLX_PAD(n) >> 2; - reply.type = X_Reply; - reply.sequenceNumber = client->sequence; - reply.length = length; - reply.n = n; - - buf = (char *) xalloc(length << 2); - if (buf == NULL) { - return BadAlloc; - } - memcpy(buf, ptr, n); - - if (client->swapped) { - glxSwapQueryServerStringReply(client, &reply, buf); - } else { - WriteToClient(client, sz_xGLXQueryServerStringReply, (char *)&reply); - WriteToClient(client, (int)(length << 2), buf); - } - - xfree(buf); - return Success; -} - -int __glXDisp_ClientInfo(__GLXclientState *cl, GLbyte *pc) -{ - xGLXClientInfoReq *req = (xGLXClientInfoReq *) pc; - const char *buf; - - cl->GLClientmajorVersion = req->major; - cl->GLClientminorVersion = req->minor; - if (cl->GLClientextensions) - xfree(cl->GLClientextensions); - buf = (const char *)(req+1); - cl->GLClientextensions = xstrdup(buf); - - return Success; -} +/*
+ * SGI FREE SOFTWARE LICENSE B (Version 2.0, Sept. 18, 2008)
+ * Copyright (C) 1991-2000 Silicon Graphics, Inc. All Rights Reserved.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice including the dates of first publication and
+ * either this permission notice or a reference to
+ * http://oss.sgi.com/projects/FreeB/
+ * shall be included in all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+ * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * SILICON GRAPHICS, INC. BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
+ * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF
+ * OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ *
+ * Except as contained in this notice, the name of Silicon Graphics, Inc.
+ * shall not be used in advertising or otherwise to promote the sale, use or
+ * other dealings in this Software without prior written authorization from
+ * Silicon Graphics, Inc.
+ */
+
+#ifdef HAVE_DIX_CONFIG_H
+#include <dix-config.h>
+#else
+
+#include "glheader.h"
+
+#endif
+
+#include <string.h>
+#include <assert.h>
+
+#include "glxserver.h"
+#include <GL/glxtokens.h>
+#include <unpack.h>
+#include "g_disptab.h"
+#include <pixmapstr.h>
+#include <windowstr.h>
+#include "glxutil.h"
+#include "glxext.h"
+#include "glapitable.h"
+#include "glapi.h"
+#include "glthread.h"
+#include "dispatch.h"
+#include "indirect_dispatch.h"
+#include "indirect_table.h"
+#include "indirect_util.h"
+#include "protocol-versions.h"
+
+static int
+validGlxScreen(ClientPtr client, int screen, __GLXscreen **pGlxScreen, int *err)
+{
+ /*
+ ** Check if screen exists.
+ */
+ if (screen >= screenInfo.numScreens) {
+ client->errorValue = screen;
+ *err = BadValue;
+ return FALSE;
+ }
+ *pGlxScreen = glxGetScreen(screenInfo.screens[screen]);
+
+ return TRUE;
+}
+
+static int
+validGlxFBConfig(ClientPtr client, __GLXscreen *pGlxScreen, XID id,
+ __GLXconfig **config, int *err)
+{
+ __GLXconfig *m;
+
+ for (m = pGlxScreen->fbconfigs; m != NULL; m = m->next)
+ if (m->fbconfigID == id) {
+ *config = m;
+ return TRUE;
+ }
+
+ client->errorValue = id;
+ *err = __glXError(GLXBadFBConfig);
+
+ return FALSE;
+}
+
+static int
+validGlxVisual(ClientPtr client, __GLXscreen *pGlxScreen, XID id,
+ __GLXconfig **config, int *err)
+{
+ int i;
+
+ for (i = 0; i < pGlxScreen->numVisuals; i++)
+ if (pGlxScreen->visuals[i]->visualID == id) {
+ *config = pGlxScreen->visuals[i];
+ return TRUE;
+ }
+
+ client->errorValue = id;
+ *err = BadValue;
+
+ return FALSE;
+}
+
+static int
+validGlxFBConfigForWindow(ClientPtr client, __GLXconfig *config,
+ DrawablePtr pDraw, int *err)
+{
+ ScreenPtr pScreen = pDraw->pScreen;
+ VisualPtr pVisual = NULL;
+ XID vid;
+ int i;
+
+ vid = wVisual((WindowPtr)pDraw);
+ for (i = 0; i < pScreen->numVisuals; i++) {
+ if (pScreen->visuals[i].vid == vid) {
+ pVisual = &pScreen->visuals[i];
+ break;
+ }
+ }
+
+ /* FIXME: What exactly should we check here... */
+ if (pVisual->class != glxConvertToXVisualType(config->visualType) ||
+ !(config->drawableType & GLX_WINDOW_BIT)) {
+ client->errorValue = pDraw->id;
+ *err = BadMatch;
+ return FALSE;
+ }
+
+ return TRUE;
+}
+
+static int
+validGlxContext(ClientPtr client, XID id, int access_mode,
+ __GLXcontext **context, int *err)
+{
+ *err = dixLookupResourceByType((pointer *) context, id,
+ __glXContextRes, client, access_mode);
+ if (*err != Success) {
+ client->errorValue = id;
+ if (*err == BadValue)
+ *err = __glXError(GLXBadContext);
+ return FALSE;
+ }
+
+ return TRUE;
+}
+
+static int
+validGlxDrawable(ClientPtr client, XID id, int type, int access_mode,
+ __GLXdrawable **drawable, int *err)
+{
+ int rc;
+
+ rc = dixLookupResourceByType((pointer *) drawable, id,
+ __glXDrawableRes, client, access_mode);
+ if (rc != Success && rc != BadValue) {
+ *err = rc;
+ client->errorValue = id;
+ return FALSE;
+ }
+
+ if (rc == BadValue ||
+ (type != GLX_DRAWABLE_ANY && type != (*drawable)->type)) {
+ client->errorValue = id;
+ switch (type) {
+ case GLX_DRAWABLE_WINDOW:
+ *err = __glXError(GLXBadWindow);
+ return FALSE;
+ case GLX_DRAWABLE_PIXMAP:
+ *err = __glXError(GLXBadPixmap);
+ return FALSE;
+ case GLX_DRAWABLE_PBUFFER:
+ *err = __glXError(GLXBadPbuffer);
+ return FALSE;
+ case GLX_DRAWABLE_ANY:
+ *err = __glXError(GLXBadDrawable);
+ return FALSE;
+ }
+ }
+
+ return TRUE;
+}
+
+void
+__glXContextDestroy(__GLXcontext *context)
+{
+ __glXFlushContextCache();
+}
+
+static void __glXdirectContextDestroy(__GLXcontext *context)
+{
+ __glXContextDestroy(context);
+ xfree(context);
+}
+
+static __GLXcontext *__glXdirectContextCreate(__GLXscreen *screen,
+ __GLXconfig *modes,
+ __GLXcontext *shareContext)
+{
+ __GLXcontext *context;
+
+ context = xcalloc (1, sizeof (__GLXcontext));
+ if (context == NULL)
+ return NULL;
+
+ context->destroy = __glXdirectContextDestroy;
+
+ return context;
+}
+
+/**
+ * Create a GL context with the given properties. This routine is used
+ * to implement \c glXCreateContext, \c glXCreateNewContext, and
+ * \c glXCreateContextWithConfigSGIX. This works becuase of the hack way
+ * that GLXFBConfigs are implemented. Basically, the FBConfigID is the
+ * same as the VisualID.
+ */
+
+static int
+DoCreateContext(__GLXclientState *cl, GLXContextID gcId,
+ GLXContextID shareList, __GLXconfig *config,
+ __GLXscreen *pGlxScreen, GLboolean isDirect)
+{
+ ClientPtr client = cl->client;
+ __GLXcontext *glxc, *shareglxc;
+ int err;
+
+ LEGAL_NEW_RESOURCE(gcId, client);
+
+ /*
+ ** Find the display list space that we want to share.
+ **
+ ** NOTE: In a multithreaded X server, we would need to keep a reference
+ ** count for each display list so that if one client detroyed a list that
+ ** another client was using, the list would not really be freed until it
+ ** was no longer in use. Since this sample implementation has no support
+ ** for multithreaded servers, we don't do this.
+ */
+ if (shareList == None) {
+ shareglxc = 0;
+ } else {
+ if (!validGlxContext(client, shareList, DixReadAccess,
+ &shareglxc, &err))
+ return err;
+
+ if (shareglxc->isDirect) {
+ /*
+ ** NOTE: no support for sharing display lists between direct
+ ** contexts, even if they are in the same address space.
+ */
+#if 0
+ /* Disabling this code seems to allow shared display lists
+ * and texture objects to work. We'll leave it disabled for now.
+ */
+ client->errorValue = shareList;
+ return BadMatch;
+#endif
+ } else {
+ /*
+ ** Create an indirect context regardless of what the client asked
+ ** for; this way we can share display list space with shareList.
+ */
+ isDirect = GL_FALSE;
+ }
+ }
+
+ /*
+ ** Allocate memory for the new context
+ */
+ if (!isDirect)
+ glxc = pGlxScreen->createContext(pGlxScreen, config, shareglxc);
+ else
+ glxc = __glXdirectContextCreate(pGlxScreen, config, shareglxc);
+ if (!glxc) {
+ return BadAlloc;
+ }
+
+ /*
+ ** Initially, setup the part of the context that could be used by
+ ** a GL core that needs windowing information (e.g., Mesa).
+ */
+ glxc->pGlxScreen = pGlxScreen;
+ glxc->config = config;
+
+ /*
+ ** Register this context as a resource.
+ */
+ if (!AddResource(gcId, __glXContextRes, (pointer)glxc)) {
+ (*glxc->destroy)(glxc);
+ client->errorValue = gcId;
+ return BadAlloc;
+ }
+
+ /*
+ ** Finally, now that everything is working, setup the rest of the
+ ** context.
+ */
+ glxc->id = gcId;
+ glxc->share_id = shareList;
+ glxc->idExists = GL_TRUE;
+ glxc->isCurrent = GL_FALSE;
+ glxc->isDirect = isDirect;
+ glxc->renderMode = GL_RENDER;
+
+ __glXAddToContextList(glxc);
+
+ return Success;
+}
+
+int __glXDisp_CreateContext(__GLXclientState *cl, GLbyte *pc)
+{
+ xGLXCreateContextReq *req = (xGLXCreateContextReq *) pc;
+ __GLXconfig *config;
+ __GLXscreen *pGlxScreen;
+ int err;
+
+ if (!validGlxScreen(cl->client, req->screen, &pGlxScreen, &err))
+ return err;
+ if (!validGlxVisual(cl->client, pGlxScreen, req->visual, &config, &err))
+ return err;
+
+ return DoCreateContext(cl, req->context, req->shareList,
+ config, pGlxScreen, req->isDirect);
+}
+
+int __glXDisp_CreateNewContext(__GLXclientState *cl, GLbyte *pc)
+{
+ xGLXCreateNewContextReq *req = (xGLXCreateNewContextReq *) pc;
+ __GLXconfig *config;
+ __GLXscreen *pGlxScreen;
+ int err;
+
+ if (!validGlxScreen(cl->client, req->screen, &pGlxScreen, &err))
+ return err;
+ if (!validGlxFBConfig(cl->client, pGlxScreen, req->fbconfig, &config, &err))
+ return err;
+
+ return DoCreateContext(cl, req->context, req->shareList,
+ config, pGlxScreen, req->isDirect);
+}
+
+int __glXDisp_CreateContextWithConfigSGIX(__GLXclientState *cl, GLbyte *pc)
+{
+ xGLXCreateContextWithConfigSGIXReq *req =
+ (xGLXCreateContextWithConfigSGIXReq *) pc;
+ __GLXconfig *config;
+ __GLXscreen *pGlxScreen;
+ int err;
+
+ if (!validGlxScreen(cl->client, req->screen, &pGlxScreen, &err))
+ return err;
+ if (!validGlxFBConfig(cl->client, pGlxScreen, req->fbconfig, &config, &err))
+ return err;
+
+ return DoCreateContext(cl, req->context, req->shareList,
+ config, pGlxScreen, req->isDirect);
+}
+int __glXDisp_DestroyContext(__GLXclientState *cl, GLbyte *pc)
+{
+ xGLXDestroyContextReq *req = (xGLXDestroyContextReq *) pc;
+ __GLXcontext *glxc;
+ int err;
+
+ if (!validGlxContext(cl->client, req->context, DixDestroyAccess,
+ &glxc, &err))
+ return err;
+
+ FreeResourceByType(req->context, __glXContextRes, FALSE);
+ return Success;
+}
+
+/*****************************************************************************/
+
+/*
+** For each client, the server keeps a table of all the contexts that are
+** current for that client (each thread of a client may have its own current
+** context). These routines add, change, and lookup contexts in the table.
+*/
+
+/*
+** Add a current context, and return the tag that will be used to refer to it.
+*/
+static int AddCurrentContext(__GLXclientState *cl, __GLXcontext *glxc)
+{
+ int i;
+ int num = cl->numCurrentContexts;
+ __GLXcontext **table = cl->currentContexts;
+
+ if (!glxc) return -1;
+
+ /*
+ ** Try to find an empty slot and use it.
+ */
+ for (i=0; i < num; i++) {
+ if (!table[i]) {
+ table[i] = glxc;
+ return i+1;
+ }
+ }
+ /*
+ ** Didn't find a free slot, so we'll have to grow the table.
+ */
+ if (!num) {
+ table = (__GLXcontext **) xalloc(sizeof(__GLXcontext *));
+ } else {
+ table = (__GLXcontext **) xrealloc(table,
+ (num+1)*sizeof(__GLXcontext *));
+ }
+ table[num] = glxc;
+ cl->currentContexts = table;
+ cl->numCurrentContexts++;
+ return num+1;
+}
+
+/*
+** Given a tag, change the current context for the corresponding entry.
+*/
+static void ChangeCurrentContext(__GLXclientState *cl, __GLXcontext *glxc,
+ GLXContextTag tag)
+{
+ __GLXcontext **table = cl->currentContexts;
+ table[tag-1] = glxc;
+}
+
+/*
+** For this implementation we have chosen to simply use the index of the
+** context's entry in the table as the context tag. A tag must be greater
+** than 0.
+*/
+__GLXcontext *__glXLookupContextByTag(__GLXclientState *cl, GLXContextTag tag)
+{
+ int num = cl->numCurrentContexts;
+
+ if (tag < 1 || tag > num) {
+ return 0;
+ } else {
+ return cl->currentContexts[tag-1];
+ }
+}
+
+/*****************************************************************************/
+
+static void StopUsingContext(__GLXcontext *glxc)
+{
+ if (glxc) {
+ if (glxc == __glXLastContext) {
+ /* Tell server GL library */
+ __glXLastContext = 0;
+ }
+ glxc->isCurrent = GL_FALSE;
+ if (!glxc->idExists) {
+ __glXFreeContext(glxc);
+ }
+ }
+}
+
+static void StartUsingContext(__GLXclientState *cl, __GLXcontext *glxc)
+{
+ glxc->isCurrent = GL_TRUE;
+ __glXLastContext = glxc;
+}
+
+/**
+ * This is a helper function to handle the legacy (pre GLX 1.3) cases
+ * where passing an X window to glXMakeCurrent is valid. Given a
+ * resource ID, look up the GLX drawable if available, otherwise, make
+ * sure it's an X window and create a GLX drawable one the fly.
+ */
+static __GLXdrawable *
+__glXGetDrawable(__GLXcontext *glxc, GLXDrawable drawId, ClientPtr client,
+ int *error)
+{
+ DrawablePtr pDraw;
+ __GLXdrawable *pGlxDraw;
+ int rc;
+
+ if (validGlxDrawable(client, drawId, GLX_DRAWABLE_ANY,
+ DixWriteAccess, &pGlxDraw, &rc)) {
+ if (glxc != NULL && pGlxDraw->config != glxc->config) {
+ client->errorValue = drawId;
+ *error = BadMatch;
+ return NULL;
+ }
+
+ return pGlxDraw;
+ }
+
+ /* The drawId wasn't a GLX drawable. Make sure it's a window and
+ * create a GLXWindow for it. Check that the drawable screen
+ * matches the context screen and that the context fbconfig is
+ * compatible with the window visual. */
+
+ rc = dixLookupDrawable(&pDraw, drawId, client, 0, DixGetAttrAccess);
+ if (rc != Success || pDraw->type != DRAWABLE_WINDOW) {
+ client->errorValue = drawId;
+ *error = __glXError(GLXBadDrawable);
+ return NULL;
+ }
+
+ if (pDraw->pScreen != glxc->pGlxScreen->pScreen) {
+ client->errorValue = pDraw->pScreen->myNum;
+ *error = BadMatch;
+ return NULL;
+ }
+
+ if (!validGlxFBConfigForWindow(client, glxc->config, pDraw, error))
+ return NULL;
+
+ pGlxDraw = glxc->pGlxScreen->createDrawable(glxc->pGlxScreen,
+ pDraw, GLX_DRAWABLE_WINDOW,
+ drawId, glxc->config);
+
+ /* since we are creating the drawablePrivate, drawId should be new */
+ if (!AddResource(drawId, __glXDrawableRes, pGlxDraw)) {
+ pGlxDraw->destroy (pGlxDraw);
+ *error = BadAlloc;
+ return NULL;
+ }
+
+ return pGlxDraw;
+}
+
+/*****************************************************************************/
+/*
+** Make an OpenGL context and drawable current.
+*/
+
+static int
+DoMakeCurrent(__GLXclientState *cl,
+ GLXDrawable drawId, GLXDrawable readId,
+ GLXContextID contextId, GLXContextTag tag)
+{
+ ClientPtr client = cl->client;
+ xGLXMakeCurrentReply reply;
+ __GLXcontext *glxc, *prevglxc;
+ __GLXdrawable *drawPriv = NULL;
+ __GLXdrawable *readPriv = NULL;
+ int error;
+ GLuint mask;
+
+ /*
+ ** If one is None and the other isn't, it's a bad match.
+ */
+
+ mask = (drawId == None) ? (1 << 0) : 0;
+ mask |= (readId == None) ? (1 << 1) : 0;
+ mask |= (contextId == None) ? (1 << 2) : 0;
+
+ if ( (mask != 0x00) && (mask != 0x07) ) {
+ return BadMatch;
+ }
+
+ /*
+ ** Lookup old context. If we have one, it must be in a usable state.
+ */
+ if (tag != 0) {
+ prevglxc = __glXLookupContextByTag(cl, tag);
+ if (!prevglxc) {
+ /*
+ ** Tag for previous context is invalid.
+ */
+ return __glXError(GLXBadContextTag);
+ }
+ if (prevglxc->renderMode != GL_RENDER) {
+ /* Oops. Not in render mode render. */
+ client->errorValue = prevglxc->id;
+ return __glXError(GLXBadContextState);
+ }
+ } else {
+ prevglxc = 0;
+ }
+
+ /*
+ ** Lookup new context. It must not be current for someone else.
+ */
+ if (contextId != None) {
+ int status;
+
+ if (!validGlxContext(client, contextId, DixUseAccess, &glxc, &error))
+ return error;
+ if ((glxc != prevglxc) && glxc->isCurrent) {
+ /* Context is current to somebody else */
+ return BadAccess;
+ }
+
+ assert( drawId != None );
+ assert( readId != None );
+
+ drawPriv = __glXGetDrawable(glxc, drawId, client, &status);
+ if (drawPriv == NULL)
+ return status;
+
+ readPriv = __glXGetDrawable(glxc, readId, client, &status);
+ if (readPriv == NULL)
+ return status;
+
+ } else {
+ /* Switching to no context. Ignore new drawable. */
+ glxc = 0;
+ drawPriv = 0;
+ readPriv = 0;
+ }
+
+
+ if (prevglxc) {
+ /*
+ ** Flush the previous context if needed.
+ */
+ if (__GLX_HAS_UNFLUSHED_CMDS(prevglxc)) {
+ if (__glXForceCurrent(cl, tag, (int *)&error)) {
+ CALL_Flush( GET_DISPATCH(), () );
+ __GLX_NOTE_FLUSHED_CMDS(prevglxc);
+ } else {
+ return error;
+ }
+ }
+
+ /*
+ ** Make the previous context not current.
+ */
+ if (!(*prevglxc->loseCurrent)(prevglxc)) {
+ return __glXError(GLXBadContext);
+ }
+ __glXFlushContextCache();
+ if (!prevglxc->isDirect) {
+ prevglxc->drawPriv = NULL;
+ prevglxc->readPriv = NULL;
+ }
+ }
+
+
+ if ((glxc != 0) && !glxc->isDirect) {
+
+ glxc->drawPriv = drawPriv;
+ glxc->readPriv = readPriv;
+
+ /* make the context current */
+ if (!(*glxc->makeCurrent)(glxc)) {
+ glxc->drawPriv = NULL;
+ glxc->readPriv = NULL;
+ return __glXError(GLXBadContext);
+ }
+
+ glxc->isCurrent = GL_TRUE;
+ }
+
+ if (prevglxc) {
+ ChangeCurrentContext(cl, glxc, tag);
+ StopUsingContext(prevglxc);
+ } else {
+ tag = AddCurrentContext(cl, glxc);
+ }
+
+ if (glxc) {
+ StartUsingContext(cl, glxc);
+ reply.contextTag = tag;
+ } else {
+ reply.contextTag = 0;
+ }
+
+ reply.length = 0;
+ reply.type = X_Reply;
+ reply.sequenceNumber = client->sequence;
+
+ if (client->swapped) {
+ __glXSwapMakeCurrentReply(client, &reply);
+ } else {
+ WriteToClient(client, sz_xGLXMakeCurrentReply, (char *)&reply);
+ }
+ return Success;
+}
+
+int __glXDisp_MakeCurrent(__GLXclientState *cl, GLbyte *pc)
+{
+ xGLXMakeCurrentReq *req = (xGLXMakeCurrentReq *) pc;
+
+ return DoMakeCurrent( cl, req->drawable, req->drawable,
+ req->context, req->oldContextTag );
+}
+
+int __glXDisp_MakeContextCurrent(__GLXclientState *cl, GLbyte *pc)
+{
+ xGLXMakeContextCurrentReq *req = (xGLXMakeContextCurrentReq *) pc;
+
+ return DoMakeCurrent( cl, req->drawable, req->readdrawable,
+ req->context, req->oldContextTag );
+}
+
+int __glXDisp_MakeCurrentReadSGI(__GLXclientState *cl, GLbyte *pc)
+{
+ xGLXMakeCurrentReadSGIReq *req = (xGLXMakeCurrentReadSGIReq *) pc;
+
+ return DoMakeCurrent( cl, req->drawable, req->readable,
+ req->context, req->oldContextTag );
+}
+
+int __glXDisp_IsDirect(__GLXclientState *cl, GLbyte *pc)
+{
+ ClientPtr client = cl->client;
+ xGLXIsDirectReq *req = (xGLXIsDirectReq *) pc;
+ xGLXIsDirectReply reply;
+ __GLXcontext *glxc;
+ int err;
+
+ if (!validGlxContext(cl->client, req->context, DixReadAccess, &glxc, &err))
+ return err;
+
+ reply.isDirect = glxc->isDirect;
+ reply.length = 0;
+ reply.type = X_Reply;
+ reply.sequenceNumber = client->sequence;
+
+ if (client->swapped) {
+ __glXSwapIsDirectReply(client, &reply);
+ } else {
+ WriteToClient(client, sz_xGLXIsDirectReply, (char *)&reply);
+ }
+
+ return Success;
+}
+
+int __glXDisp_QueryVersion(__GLXclientState *cl, GLbyte *pc)
+{
+ ClientPtr client = cl->client;
+ xGLXQueryVersionReq *req = (xGLXQueryVersionReq *) pc;
+ xGLXQueryVersionReply reply;
+ GLuint major, minor;
+
+ major = req->majorVersion;
+ minor = req->minorVersion;
+ (void)major;
+ (void)minor;
+
+ /*
+ ** Server should take into consideration the version numbers sent by the
+ ** client if it wants to work with older clients; however, in this
+ ** implementation the server just returns its version number.
+ */
+ reply.majorVersion = SERVER_GLX_MAJOR_VERSION;
+ reply.minorVersion = SERVER_GLX_MINOR_VERSION;
+ reply.length = 0;
+ reply.type = X_Reply;
+ reply.sequenceNumber = client->sequence;
+
+ if (client->swapped) {
+ __glXSwapQueryVersionReply(client, &reply);
+ } else {
+ WriteToClient(client, sz_xGLXQueryVersionReply, (char *)&reply);
+ }
+ return Success;
+}
+
+int __glXDisp_WaitGL(__GLXclientState *cl, GLbyte *pc)
+{
+ xGLXWaitGLReq *req = (xGLXWaitGLReq *)pc;
+ GLXContextTag tag = req->contextTag;
+ __GLXcontext *glxc = NULL;
+ int error;
+
+ if (tag) {
+ glxc = __glXLookupContextByTag(cl, tag);
+ if (!glxc)
+ return __glXError(GLXBadContextTag);
+
+ if (!__glXForceCurrent(cl, req->contextTag, &error))
+ return error;
+
+ CALL_Finish( GET_DISPATCH(), () );
+ }
+
+ if (glxc && glxc->drawPriv->waitGL)
+ (*glxc->drawPriv->waitGL)(glxc->drawPriv);
+
+ return Success;
+}
+
+int __glXDisp_WaitX(__GLXclientState *cl, GLbyte *pc)
+{
+ xGLXWaitXReq *req = (xGLXWaitXReq *)pc;
+ GLXContextTag tag = req->contextTag;
+ __GLXcontext *glxc = NULL;
+ int error;
+
+ if (tag) {
+ glxc = __glXLookupContextByTag(cl, tag);
+ if (!glxc)
+ return __glXError(GLXBadContextTag);
+
+ if (!__glXForceCurrent(cl, req->contextTag, &error))
+ return error;
+ }
+
+ if (glxc && glxc->drawPriv->waitX)
+ (*glxc->drawPriv->waitX)(glxc->drawPriv);
+
+ return Success;
+}
+
+int __glXDisp_CopyContext(__GLXclientState *cl, GLbyte *pc)
+{
+ ClientPtr client = cl->client;
+ xGLXCopyContextReq *req = (xGLXCopyContextReq *) pc;
+ GLXContextID source = req->source;
+ GLXContextID dest = req->dest;
+ GLXContextTag tag = req->contextTag;
+ unsigned long mask = req->mask;
+ __GLXcontext *src, *dst;
+ int error;
+
+ if (!validGlxContext(cl->client, source, DixReadAccess, &src, &error))
+ return error;
+ if (!validGlxContext(cl->client, dest, DixWriteAccess, &dst, &error))
+ return error;
+
+ /*
+ ** They must be in the same address space, and same screen.
+ ** NOTE: no support for direct rendering contexts here.
+ */
+ if (src->isDirect || dst->isDirect ||
+ (src->pGlxScreen != dst->pGlxScreen)) {
+ client->errorValue = source;
+ return BadMatch;
+ }
+
+ /*
+ ** The destination context must not be current for any client.
+ */
+ if (dst->isCurrent) {
+ client->errorValue = dest;
+ return BadAccess;
+ }
+
+ if (tag) {
+ __GLXcontext *tagcx = __glXLookupContextByTag(cl, tag);
+
+ if (!tagcx) {
+ return __glXError(GLXBadContextTag);
+ }
+ if (tagcx != src) {
+ /*
+ ** This would be caused by a faulty implementation of the client
+ ** library.
+ */
+ return BadMatch;
+ }
+ /*
+ ** In this case, glXCopyContext is in both GL and X streams, in terms
+ ** of sequentiality.
+ */
+ if (__glXForceCurrent(cl, tag, &error)) {
+ /*
+ ** Do whatever is needed to make sure that all preceding requests
+ ** in both streams are completed before the copy is executed.
+ */
+ CALL_Finish( GET_DISPATCH(), () );
+ __GLX_NOTE_FLUSHED_CMDS(tagcx);
+ } else {
+ return error;
+ }
+ }
+ /*
+ ** Issue copy. The only reason for failure is a bad mask.
+ */
+ if (!(*dst->copy)(dst, src, mask)) {
+ client->errorValue = mask;
+ return BadValue;
+ }
+ return Success;
+}
+
+enum {
+ GLX_VIS_CONFIG_UNPAIRED = 18,
+ GLX_VIS_CONFIG_PAIRED = 20
+};
+
+enum {
+ GLX_VIS_CONFIG_TOTAL = GLX_VIS_CONFIG_UNPAIRED + GLX_VIS_CONFIG_PAIRED
+};
+
+int __glXDisp_GetVisualConfigs(__GLXclientState *cl, GLbyte *pc)
+{
+ xGLXGetVisualConfigsReq *req = (xGLXGetVisualConfigsReq *) pc;
+ ClientPtr client = cl->client;
+ xGLXGetVisualConfigsReply reply;
+ __GLXscreen *pGlxScreen;
+ __GLXconfig *modes;
+ CARD32 buf[GLX_VIS_CONFIG_TOTAL];
+ int p, i, err;
+ __GLX_DECLARE_SWAP_VARIABLES;
+ __GLX_DECLARE_SWAP_ARRAY_VARIABLES;
+
+ if (!validGlxScreen(cl->client, req->screen, &pGlxScreen, &err))
+ return err;
+
+ reply.numVisuals = pGlxScreen->numVisuals;
+ reply.numProps = GLX_VIS_CONFIG_TOTAL;
+ reply.length = (reply.numVisuals * __GLX_SIZE_CARD32 * GLX_VIS_CONFIG_TOTAL) >> 2;
+ reply.type = X_Reply;
+ reply.sequenceNumber = client->sequence;
+
+ if (client->swapped) {
+ __GLX_SWAP_SHORT(&reply.sequenceNumber);
+ __GLX_SWAP_INT(&reply.length);
+ __GLX_SWAP_INT(&reply.numVisuals);
+ __GLX_SWAP_INT(&reply.numProps);
+ }
+
+ WriteToClient(client, sz_xGLXGetVisualConfigsReply, (char *)&reply);
+
+ for (i = 0; i < pGlxScreen->numVisuals; i++) {
+ modes = pGlxScreen->visuals[i];
+
+ p = 0;
+ buf[p++] = modes->visualID;
+ buf[p++] = glxConvertToXVisualType( modes->visualType );
+ buf[p++] = (modes->renderType & GLX_RGBA_BIT) ? GL_TRUE : GL_FALSE;
+
+ buf[p++] = modes->redBits;
+ buf[p++] = modes->greenBits;
+ buf[p++] = modes->blueBits;
+ buf[p++] = modes->alphaBits;
+ buf[p++] = modes->accumRedBits;
+ buf[p++] = modes->accumGreenBits;
+ buf[p++] = modes->accumBlueBits;
+ buf[p++] = modes->accumAlphaBits;
+
+ buf[p++] = modes->doubleBufferMode;
+ buf[p++] = modes->stereoMode;
+
+ buf[p++] = modes->rgbBits;
+ buf[p++] = modes->depthBits;
+ buf[p++] = modes->stencilBits;
+ buf[p++] = modes->numAuxBuffers;
+ buf[p++] = modes->level;
+
+ assert(p == GLX_VIS_CONFIG_UNPAIRED);
+ /*
+ ** Add token/value pairs for extensions.
+ */
+ buf[p++] = GLX_VISUAL_CAVEAT_EXT;
+ buf[p++] = modes->visualRating;
+ buf[p++] = GLX_TRANSPARENT_TYPE;
+ buf[p++] = modes->transparentPixel;
+ buf[p++] = GLX_TRANSPARENT_RED_VALUE;
+ buf[p++] = modes->transparentRed;
+ buf[p++] = GLX_TRANSPARENT_GREEN_VALUE;
+ buf[p++] = modes->transparentGreen;
+ buf[p++] = GLX_TRANSPARENT_BLUE_VALUE;
+ buf[p++] = modes->transparentBlue;
+ buf[p++] = GLX_TRANSPARENT_ALPHA_VALUE;
+ buf[p++] = modes->transparentAlpha;
+ buf[p++] = GLX_TRANSPARENT_INDEX_VALUE;
+ buf[p++] = modes->transparentIndex;
+ buf[p++] = GLX_SAMPLES_SGIS;
+ buf[p++] = modes->samples;
+ buf[p++] = GLX_SAMPLE_BUFFERS_SGIS;
+ buf[p++] = modes->sampleBuffers;
+ buf[p++] = 0; /* copy over visualSelectGroup (GLX_VISUAL_SELECT_GROUP_SGIX)? */
+ buf[p++] = 0;
+
+ assert(p == GLX_VIS_CONFIG_TOTAL);
+ if (client->swapped) {
+ __GLX_SWAP_INT_ARRAY(buf, p);
+ }
+ WriteToClient(client, __GLX_SIZE_CARD32 * p, (char *)buf);
+ }
+ return Success;
+}
+
+#define __GLX_TOTAL_FBCONFIG_ATTRIBS (36)
+#define __GLX_FBCONFIG_ATTRIBS_LENGTH (__GLX_TOTAL_FBCONFIG_ATTRIBS * 2)
+/**
+ * Send the set of GLXFBConfigs to the client. There is not currently
+ * and interface into the driver on the server-side to get GLXFBConfigs,
+ * so we "invent" some based on the \c __GLXvisualConfig structures that
+ * the driver does supply.
+ *
+ * The reply format for both \c glXGetFBConfigs and \c glXGetFBConfigsSGIX
+ * is the same, so this routine pulls double duty.
+ */
+
+static int
+DoGetFBConfigs(__GLXclientState *cl, unsigned screen)
+{
+ ClientPtr client = cl->client;
+ xGLXGetFBConfigsReply reply;
+ __GLXscreen *pGlxScreen;
+ CARD32 buf[__GLX_FBCONFIG_ATTRIBS_LENGTH];
+ int p, err;
+ __GLXconfig *modes;
+ __GLX_DECLARE_SWAP_VARIABLES;
+ __GLX_DECLARE_SWAP_ARRAY_VARIABLES;
+
+ if (!validGlxScreen(cl->client, screen, &pGlxScreen, &err))
+ return err;
+
+ reply.numFBConfigs = pGlxScreen->numFBConfigs;
+ reply.numAttribs = __GLX_TOTAL_FBCONFIG_ATTRIBS;
+ reply.length = (__GLX_FBCONFIG_ATTRIBS_LENGTH * reply.numFBConfigs);
+ reply.type = X_Reply;
+ reply.sequenceNumber = client->sequence;
+
+ if (client->swapped) {
+ __GLX_SWAP_SHORT(&reply.sequenceNumber);
+ __GLX_SWAP_INT(&reply.length);
+ __GLX_SWAP_INT(&reply.numFBConfigs);
+ __GLX_SWAP_INT(&reply.numAttribs);
+ }
+
+ WriteToClient(client, sz_xGLXGetFBConfigsReply, (char *)&reply);
+
+ for (modes = pGlxScreen->fbconfigs; modes != NULL; modes = modes->next) {
+ p = 0;
+
+#define WRITE_PAIR(tag,value) \
+ do { buf[p++] = tag ; buf[p++] = value ; } while( 0 )
+
+ WRITE_PAIR( GLX_VISUAL_ID, modes->visualID );
+ WRITE_PAIR( GLX_FBCONFIG_ID, modes->fbconfigID );
+ WRITE_PAIR( GLX_X_RENDERABLE, GL_TRUE );
+
+ WRITE_PAIR( GLX_RGBA,
+ (modes->renderType & GLX_RGBA_BIT) ? GL_TRUE : GL_FALSE );
+ WRITE_PAIR( GLX_RENDER_TYPE, modes->renderType );
+ WRITE_PAIR( GLX_DOUBLEBUFFER, modes->doubleBufferMode );
+ WRITE_PAIR( GLX_STEREO, modes->stereoMode );
+
+ WRITE_PAIR( GLX_BUFFER_SIZE, modes->rgbBits );
+ WRITE_PAIR( GLX_LEVEL, modes->level );
+ WRITE_PAIR( GLX_AUX_BUFFERS, modes->numAuxBuffers );
+ WRITE_PAIR( GLX_RED_SIZE, modes->redBits );
+ WRITE_PAIR( GLX_GREEN_SIZE, modes->greenBits );
+ WRITE_PAIR( GLX_BLUE_SIZE, modes->blueBits );
+ WRITE_PAIR( GLX_ALPHA_SIZE, modes->alphaBits );
+ WRITE_PAIR( GLX_ACCUM_RED_SIZE, modes->accumRedBits );
+ WRITE_PAIR( GLX_ACCUM_GREEN_SIZE, modes->accumGreenBits );
+ WRITE_PAIR( GLX_ACCUM_BLUE_SIZE, modes->accumBlueBits );
+ WRITE_PAIR( GLX_ACCUM_ALPHA_SIZE, modes->accumAlphaBits );
+ WRITE_PAIR( GLX_DEPTH_SIZE, modes->depthBits );
+ WRITE_PAIR( GLX_STENCIL_SIZE, modes->stencilBits );
+ WRITE_PAIR( GLX_X_VISUAL_TYPE, modes->visualType );
+ WRITE_PAIR( GLX_CONFIG_CAVEAT, modes->visualRating );
+ WRITE_PAIR( GLX_TRANSPARENT_TYPE, modes->transparentPixel );
+ WRITE_PAIR( GLX_TRANSPARENT_RED_VALUE, modes->transparentRed );
+ WRITE_PAIR( GLX_TRANSPARENT_GREEN_VALUE, modes->transparentGreen );
+ WRITE_PAIR( GLX_TRANSPARENT_BLUE_VALUE, modes->transparentBlue );
+ WRITE_PAIR( GLX_TRANSPARENT_ALPHA_VALUE, modes->transparentAlpha );
+ WRITE_PAIR( GLX_TRANSPARENT_INDEX_VALUE, modes->transparentIndex );
+ WRITE_PAIR( GLX_SWAP_METHOD_OML, modes->swapMethod );
+ WRITE_PAIR( GLX_SAMPLES_SGIS, modes->samples );
+ WRITE_PAIR( GLX_SAMPLE_BUFFERS_SGIS, modes->sampleBuffers );
+ /* GLX_VISUAL_SELECT_GROUP_SGIX ? */
+ WRITE_PAIR( GLX_DRAWABLE_TYPE, modes->drawableType );
+ WRITE_PAIR( GLX_BIND_TO_TEXTURE_RGB_EXT, modes->bindToTextureRgb );
+ WRITE_PAIR( GLX_BIND_TO_TEXTURE_RGBA_EXT, modes->bindToTextureRgba );
+ WRITE_PAIR( GLX_BIND_TO_MIPMAP_TEXTURE_EXT, modes->bindToMipmapTexture );
+ WRITE_PAIR( GLX_BIND_TO_TEXTURE_TARGETS_EXT, modes->bindToTextureTargets );
+
+ if (client->swapped) {
+ __GLX_SWAP_INT_ARRAY(buf, __GLX_FBCONFIG_ATTRIBS_LENGTH);
+ }
+ WriteToClient(client, __GLX_SIZE_CARD32 * __GLX_FBCONFIG_ATTRIBS_LENGTH,
+ (char *)buf);
+ }
+ return Success;
+}
+
+
+int __glXDisp_GetFBConfigs(__GLXclientState *cl, GLbyte *pc)
+{
+ xGLXGetFBConfigsReq *req = (xGLXGetFBConfigsReq *) pc;
+ return DoGetFBConfigs(cl, req->screen);
+}
+
+int __glXDisp_GetFBConfigsSGIX(__GLXclientState *cl, GLbyte *pc)
+{
+ xGLXGetFBConfigsSGIXReq *req = (xGLXGetFBConfigsSGIXReq *) pc;
+ return DoGetFBConfigs(cl, req->screen);
+}
+
+GLboolean
+__glXDrawableInit(__GLXdrawable *drawable,
+ __GLXscreen *screen, DrawablePtr pDraw, int type,
+ XID drawId, __GLXconfig *config)
+{
+ drawable->pDraw = pDraw;
+ drawable->type = type;
+ drawable->drawId = drawId;
+ drawable->config = config;
+ drawable->eventMask = 0;
+
+ return GL_TRUE;
+}
+
+void
+__glXDrawableRelease(__GLXdrawable *drawable)
+{
+ ScreenPtr pScreen = drawable->pDraw->pScreen;
+
+ switch (drawable->type) {
+ case GLX_DRAWABLE_PIXMAP:
+ case GLX_DRAWABLE_PBUFFER:
+ (*pScreen->DestroyPixmap)((PixmapPtr) drawable->pDraw);
+ break;
+ }
+}
+
+static int
+DoCreateGLXDrawable(ClientPtr client, __GLXscreen *pGlxScreen, __GLXconfig *config,
+ DrawablePtr pDraw, XID glxDrawableId, int type)
+{
+ __GLXdrawable *pGlxDraw;
+
+ LEGAL_NEW_RESOURCE(glxDrawableId, client);
+
+ if (pGlxScreen->pScreen != pDraw->pScreen)
+ return BadMatch;
+
+ pGlxDraw = pGlxScreen->createDrawable(pGlxScreen, pDraw, type,
+ glxDrawableId, config);
+ if (pGlxDraw == NULL)
+ return BadAlloc;
+
+ if (!AddResource(glxDrawableId, __glXDrawableRes, pGlxDraw)) {
+ pGlxDraw->destroy (pGlxDraw);
+ return BadAlloc;
+ }
+
+ return Success;
+}
+
+static int
+DoCreateGLXPixmap(ClientPtr client, __GLXscreen *pGlxScreen, __GLXconfig *config,
+ XID drawableId, XID glxDrawableId)
+{
+ DrawablePtr pDraw;
+ int err;
+
+ err = dixLookupDrawable(&pDraw, drawableId, client, 0, DixAddAccess);
+ if (err != Success) {
+ client->errorValue = drawableId;
+ return err;
+ }
+ if (pDraw->type != DRAWABLE_PIXMAP) {
+ client->errorValue = drawableId;
+ return BadPixmap;
+ }
+
+ err = DoCreateGLXDrawable(client, pGlxScreen, config, pDraw,
+ glxDrawableId, GLX_DRAWABLE_PIXMAP);
+
+ if (err == Success)
+ ((PixmapPtr) pDraw)->refcnt++;
+
+ return err;
+}
+
+static void
+determineTextureTarget(ClientPtr client, XID glxDrawableID,
+ CARD32 *attribs, CARD32 numAttribs)
+{
+ GLenum target = 0;
+ GLenum format = 0;
+ int i, err;
+ __GLXdrawable *pGlxDraw;
+
+ if (!validGlxDrawable(client, glxDrawableID, GLX_DRAWABLE_PIXMAP,
+ DixWriteAccess, &pGlxDraw, &err))
+ /* We just added it in CreatePixmap, so we should never get here. */
+ return;
+
+ for (i = 0; i < numAttribs; i++) {
+ if (attribs[2 * i] == GLX_TEXTURE_TARGET_EXT) {
+ switch (attribs[2 * i + 1]) {
+ case GLX_TEXTURE_2D_EXT:
+ target = GL_TEXTURE_2D;
+ break;
+ case GLX_TEXTURE_RECTANGLE_EXT:
+ target = GL_TEXTURE_RECTANGLE_ARB;
+ break;
+ }
+ }
+
+ if (attribs[2 * i] == GLX_TEXTURE_FORMAT_EXT)
+ format = attribs[2 * i + 1];
+ }
+
+ if (!target) {
+ int w = pGlxDraw->pDraw->width, h = pGlxDraw->pDraw->height;
+
+ if (h & (h - 1) || w & (w - 1))
+ target = GL_TEXTURE_RECTANGLE_ARB;
+ else
+ target = GL_TEXTURE_2D;
+ }
+
+ pGlxDraw->target = target;
+ pGlxDraw->format = format;
+}
+
+int __glXDisp_CreateGLXPixmap(__GLXclientState *cl, GLbyte *pc)
+{
+ xGLXCreateGLXPixmapReq *req = (xGLXCreateGLXPixmapReq *) pc;
+ __GLXconfig *config;
+ __GLXscreen *pGlxScreen;
+ int err;
+
+ if (!validGlxScreen(cl->client, req->screen, &pGlxScreen, &err))
+ return err;
+ if (!validGlxVisual(cl->client, pGlxScreen, req->visual, &config, &err))
+ return err;
+
+ return DoCreateGLXPixmap(cl->client, pGlxScreen, config,
+ req->pixmap, req->glxpixmap);
+}
+
+int __glXDisp_CreatePixmap(__GLXclientState *cl, GLbyte *pc)
+{
+ xGLXCreatePixmapReq *req = (xGLXCreatePixmapReq *) pc;
+ __GLXconfig *config;
+ __GLXscreen *pGlxScreen;
+ int err;
+
+ if (!validGlxScreen(cl->client, req->screen, &pGlxScreen, &err))
+ return err;
+ if (!validGlxFBConfig(cl->client, pGlxScreen, req->fbconfig, &config, &err))
+ return err;
+
+ err = DoCreateGLXPixmap(cl->client, pGlxScreen, config,
+ req->pixmap, req->glxpixmap);
+ if (err != Success)
+ return err;
+
+ determineTextureTarget(cl->client, req->glxpixmap,
+ (CARD32*) (req + 1), req->numAttribs);
+
+ return Success;
+}
+
+int __glXDisp_CreateGLXPixmapWithConfigSGIX(__GLXclientState *cl, GLbyte *pc)
+{
+ xGLXCreateGLXPixmapWithConfigSGIXReq *req =
+ (xGLXCreateGLXPixmapWithConfigSGIXReq *) pc;
+ __GLXconfig *config;
+ __GLXscreen *pGlxScreen;
+ int err;
+
+ if (!validGlxScreen(cl->client, req->screen, &pGlxScreen, &err))
+ return err;
+ if (!validGlxFBConfig(cl->client, pGlxScreen, req->fbconfig, &config, &err))
+ return err;
+
+ return DoCreateGLXPixmap(cl->client, pGlxScreen,
+ config, req->pixmap, req->glxpixmap);
+}
+
+
+static int DoDestroyDrawable(__GLXclientState *cl, XID glxdrawable, int type)
+{
+ __GLXdrawable *pGlxDraw;
+ int err;
+
+ if (!validGlxDrawable(cl->client, glxdrawable, type,
+ DixDestroyAccess, &pGlxDraw, &err))
+ return err;
+
+ FreeResource(glxdrawable, FALSE);
+
+ return Success;
+}
+
+int __glXDisp_DestroyGLXPixmap(__GLXclientState *cl, GLbyte *pc)
+{
+ xGLXDestroyGLXPixmapReq *req = (xGLXDestroyGLXPixmapReq *) pc;
+
+ return DoDestroyDrawable(cl, req->glxpixmap, GLX_DRAWABLE_PIXMAP);
+}
+
+int __glXDisp_DestroyPixmap(__GLXclientState *cl, GLbyte *pc)
+{
+ xGLXDestroyPixmapReq *req = (xGLXDestroyPixmapReq *) pc;
+
+ return DoDestroyDrawable(cl, req->glxpixmap, GLX_DRAWABLE_PIXMAP);
+}
+
+static int
+DoCreatePbuffer(ClientPtr client, int screenNum, XID fbconfigId,
+ int width, int height, XID glxDrawableId)
+{
+ __GLXconfig *config;
+ __GLXscreen *pGlxScreen;
+ PixmapPtr pPixmap;
+ int err;
+
+ if (!validGlxScreen(client, screenNum, &pGlxScreen, &err))
+ return err;
+ if (!validGlxFBConfig(client, pGlxScreen, fbconfigId, &config, &err))
+ return err;
+
+ __glXenterServer(GL_FALSE);
+ pPixmap = (*pGlxScreen->pScreen->CreatePixmap) (pGlxScreen->pScreen,
+ width, height, config->rgbBits, 0);
+ __glXleaveServer(GL_FALSE);
+
+ return DoCreateGLXDrawable(client, pGlxScreen, config, &pPixmap->drawable,
+ glxDrawableId, GLX_DRAWABLE_PBUFFER);
+}
+
+int __glXDisp_CreatePbuffer(__GLXclientState *cl, GLbyte *pc)
+{
+ xGLXCreatePbufferReq *req = (xGLXCreatePbufferReq *) pc;
+ CARD32 *attrs;
+ int width, height, i;
+
+ attrs = (CARD32 *) (req + 1);
+ width = 0;
+ height = 0;
+
+ for (i = 0; i < req->numAttribs; i++) {
+ switch (attrs[i * 2]) {
+ case GLX_PBUFFER_WIDTH:
+ width = attrs[i * 2 + 1];
+ break;
+ case GLX_PBUFFER_HEIGHT:
+ height = attrs[i * 2 + 1];
+ break;
+ case GLX_LARGEST_PBUFFER:
+ case GLX_PRESERVED_CONTENTS:
+ /* FIXME: huh... */
+ break;
+ }
+ }
+
+ return DoCreatePbuffer(cl->client, req->screen, req->fbconfig,
+ width, height, req->pbuffer);
+}
+
+int __glXDisp_CreateGLXPbufferSGIX(__GLXclientState *cl, GLbyte *pc)
+{
+ xGLXCreateGLXPbufferSGIXReq *req = (xGLXCreateGLXPbufferSGIXReq *) pc;
+
+ return DoCreatePbuffer(cl->client, req->screen, req->fbconfig,
+ req->width, req->height, req->pbuffer);
+}
+
+int __glXDisp_DestroyPbuffer(__GLXclientState *cl, GLbyte *pc)
+{
+ xGLXDestroyPbufferReq *req = (xGLXDestroyPbufferReq *) pc;
+
+ return DoDestroyDrawable(cl, req->pbuffer, GLX_DRAWABLE_PBUFFER);
+}
+
+int __glXDisp_DestroyGLXPbufferSGIX(__GLXclientState *cl, GLbyte *pc)
+{
+ xGLXDestroyGLXPbufferSGIXReq *req = (xGLXDestroyGLXPbufferSGIXReq *) pc;
+
+ return DoDestroyDrawable(cl, req->pbuffer, GLX_DRAWABLE_PBUFFER);
+}
+
+static int
+DoChangeDrawableAttributes(ClientPtr client, XID glxdrawable,
+ int numAttribs, CARD32 *attribs)
+{
+ __GLXdrawable *pGlxDraw;
+ int i, err;
+
+ if (!validGlxDrawable(client, glxdrawable, GLX_DRAWABLE_ANY,
+ DixSetAttrAccess, &pGlxDraw, &err))
+ return err;
+
+ for (i = 0; i < numAttribs; i++) {
+ switch(attribs[i * 2]) {
+ case GLX_EVENT_MASK:
+ /* All we do is to record the event mask so we can send it
+ * back when queried. We never actually clobber the
+ * pbuffers, so we never need to send out the event. */
+ pGlxDraw->eventMask = attribs[i * 2 + 1];
+ break;
+ }
+ }
+
+ return Success;
+}
+
+int __glXDisp_ChangeDrawableAttributes(__GLXclientState *cl, GLbyte *pc)
+{
+ xGLXChangeDrawableAttributesReq *req =
+ (xGLXChangeDrawableAttributesReq *) pc;
+
+ return DoChangeDrawableAttributes(cl->client, req->drawable,
+ req->numAttribs, (CARD32 *) (req + 1));
+}
+
+int __glXDisp_ChangeDrawableAttributesSGIX(__GLXclientState *cl, GLbyte *pc)
+{
+ xGLXChangeDrawableAttributesSGIXReq *req =
+ (xGLXChangeDrawableAttributesSGIXReq *)pc;
+
+ return DoChangeDrawableAttributes(cl->client, req->drawable,
+ req->numAttribs, (CARD32 *) (req + 1));
+}
+
+int __glXDisp_CreateWindow(__GLXclientState *cl, GLbyte *pc)
+{
+ xGLXCreateWindowReq *req = (xGLXCreateWindowReq *) pc;
+ __GLXconfig *config;
+ __GLXscreen *pGlxScreen;
+ ClientPtr client = cl->client;
+ DrawablePtr pDraw;
+ int err;
+
+ if (!validGlxScreen(client, req->screen, &pGlxScreen, &err))
+ return err;
+ if (!validGlxFBConfig(client, pGlxScreen, req->fbconfig, &config, &err))
+ return err;
+
+ err = dixLookupDrawable(&pDraw, req->window, client, 0, DixAddAccess);
+ if (err != Success || pDraw->type != DRAWABLE_WINDOW) {
+ client->errorValue = req->window;
+ return BadWindow;
+ }
+
+ if (!validGlxFBConfigForWindow(client, config, pDraw, &err))
+ return err;
+
+ return DoCreateGLXDrawable(client, pGlxScreen, config,
+ pDraw, req->glxwindow, GLX_DRAWABLE_WINDOW);
+}
+
+int __glXDisp_DestroyWindow(__GLXclientState *cl, GLbyte *pc)
+{
+ xGLXDestroyWindowReq *req = (xGLXDestroyWindowReq *) pc;
+
+ return DoDestroyDrawable(cl, req->glxwindow, GLX_DRAWABLE_WINDOW);
+}
+
+
+/*****************************************************************************/
+
+/*
+** NOTE: There is no portable implementation for swap buffers as of
+** this time that is of value. Consequently, this code must be
+** implemented by somebody other than SGI.
+*/
+int __glXDisp_SwapBuffers(__GLXclientState *cl, GLbyte *pc)
+{
+ ClientPtr client = cl->client;
+ xGLXSwapBuffersReq *req = (xGLXSwapBuffersReq *) pc;
+ GLXContextTag tag = req->contextTag;
+ XID drawId = req->drawable;
+ __GLXcontext *glxc = NULL;
+ __GLXdrawable *pGlxDraw;
+ int error;
+
+ if (tag) {
+ glxc = __glXLookupContextByTag(cl, tag);
+ if (!glxc) {
+ return __glXError(GLXBadContextTag);
+ }
+ /*
+ ** The calling thread is swapping its current drawable. In this case,
+ ** glxSwapBuffers is in both GL and X streams, in terms of
+ ** sequentiality.
+ */
+ if (__glXForceCurrent(cl, tag, &error)) {
+ /*
+ ** Do whatever is needed to make sure that all preceding requests
+ ** in both streams are completed before the swap is executed.
+ */
+ CALL_Finish( GET_DISPATCH(), () );
+ __GLX_NOTE_FLUSHED_CMDS(glxc);
+ } else {
+ return error;
+ }
+ }
+
+ pGlxDraw = __glXGetDrawable(glxc, drawId, client, &error);
+ if (pGlxDraw == NULL)
+ return error;
+
+ if (pGlxDraw->type == DRAWABLE_WINDOW &&
+ (*pGlxDraw->swapBuffers)(pGlxDraw) == GL_FALSE)
+ return __glXError(GLXBadDrawable);
+
+ return Success;
+}
+
+
+static int
+DoQueryContext(__GLXclientState *cl, GLXContextID gcId)
+{
+ ClientPtr client = cl->client;
+ __GLXcontext *ctx;
+ xGLXQueryContextInfoEXTReply reply;
+ int nProps;
+ int *sendBuf, *pSendBuf;
+ int nReplyBytes;
+ int err;
+
+ if (!validGlxContext(cl->client, gcId, DixReadAccess, &ctx, &err))
+ return err;
+
+ nProps = 3;
+ reply.length = nProps << 1;
+ reply.type = X_Reply;
+ reply.sequenceNumber = client->sequence;
+ reply.n = nProps;
+
+ nReplyBytes = reply.length << 2;
+ sendBuf = (int *)xalloc((size_t)nReplyBytes);
+ if (sendBuf == NULL) {
+ return __glXError(GLXBadContext); /* XXX: Is this correct? */
+ }
+ pSendBuf = sendBuf;
+ *pSendBuf++ = GLX_SHARE_CONTEXT_EXT;
+ *pSendBuf++ = (int)(ctx->share_id);
+ *pSendBuf++ = GLX_VISUAL_ID_EXT;
+ *pSendBuf++ = (int)(ctx->config->visualID);
+ *pSendBuf++ = GLX_SCREEN_EXT;
+ *pSendBuf++ = (int)(ctx->pGlxScreen->pScreen->myNum);
+
+ if (client->swapped) {
+ __glXSwapQueryContextInfoEXTReply(client, &reply, sendBuf);
+ } else {
+ WriteToClient(client, sz_xGLXQueryContextInfoEXTReply, (char *)&reply);
+ WriteToClient(client, nReplyBytes, (char *)sendBuf);
+ }
+ xfree((char *)sendBuf);
+
+ return Success;
+}
+
+int __glXDisp_QueryContextInfoEXT(__GLXclientState *cl, GLbyte *pc)
+{
+ xGLXQueryContextInfoEXTReq *req = (xGLXQueryContextInfoEXTReq *) pc;
+
+ return DoQueryContext(cl, req->context);
+}
+
+int __glXDisp_QueryContext(__GLXclientState *cl, GLbyte *pc)
+{
+ xGLXQueryContextReq *req = (xGLXQueryContextReq *) pc;
+
+ return DoQueryContext(cl, req->context);
+}
+
+int __glXDisp_BindTexImageEXT(__GLXclientState *cl, GLbyte *pc)
+{
+ xGLXVendorPrivateReq *req = (xGLXVendorPrivateReq *) pc;
+ ClientPtr client = cl->client;
+ __GLXcontext *context;
+ __GLXdrawable *pGlxDraw;
+ GLXDrawable drawId;
+ int buffer;
+ int error;
+
+ pc += __GLX_VENDPRIV_HDR_SIZE;
+
+ drawId = *((CARD32 *) (pc));
+ buffer = *((INT32 *) (pc + 4));
+
+ if (buffer != GLX_FRONT_LEFT_EXT)
+ return __glXError(GLXBadPixmap);
+
+ context = __glXForceCurrent (cl, req->contextTag, &error);
+ if (!context)
+ return error;
+
+ if (!validGlxDrawable(client, drawId, GLX_DRAWABLE_PIXMAP,
+ DixReadAccess, &pGlxDraw, &error))
+ return error;
+
+ if (!context->textureFromPixmap)
+ return __glXError(GLXUnsupportedPrivateRequest);
+
+ return context->textureFromPixmap->bindTexImage(context,
+ buffer,
+ pGlxDraw);
+}
+
+int __glXDisp_ReleaseTexImageEXT(__GLXclientState *cl, GLbyte *pc)
+{
+ xGLXVendorPrivateReq *req = (xGLXVendorPrivateReq *) pc;
+ ClientPtr client = cl->client;
+ __GLXdrawable *pGlxDraw;
+ __GLXcontext *context;
+ GLXDrawable drawId;
+ int buffer;
+ int error;
+
+ pc += __GLX_VENDPRIV_HDR_SIZE;
+
+ drawId = *((CARD32 *) (pc));
+ buffer = *((INT32 *) (pc + 4));
+
+ context = __glXForceCurrent (cl, req->contextTag, &error);
+ if (!context)
+ return error;
+
+ if (!validGlxDrawable(client, drawId, GLX_DRAWABLE_PIXMAP,
+ DixReadAccess, &pGlxDraw, &error))
+ return error;
+
+ if (!context->textureFromPixmap)
+ return __glXError(GLXUnsupportedPrivateRequest);
+
+ return context->textureFromPixmap->releaseTexImage(context,
+ buffer,
+ pGlxDraw);
+}
+
+int __glXDisp_CopySubBufferMESA(__GLXclientState *cl, GLbyte *pc)
+{
+ xGLXVendorPrivateReq *req = (xGLXVendorPrivateReq *) pc;
+ GLXContextTag tag = req->contextTag;
+ __GLXcontext *glxc = NULL;
+ __GLXdrawable *pGlxDraw;
+ ClientPtr client = cl->client;
+ GLXDrawable drawId;
+ int error;
+ int x, y, width, height;
+
+ (void) client;
+ (void) req;
+
+ pc += __GLX_VENDPRIV_HDR_SIZE;
+
+ drawId = *((CARD32 *) (pc));
+ x = *((INT32 *) (pc + 4));
+ y = *((INT32 *) (pc + 8));
+ width = *((INT32 *) (pc + 12));
+ height = *((INT32 *) (pc + 16));
+
+ if (tag) {
+ glxc = __glXLookupContextByTag(cl, tag);
+ if (!glxc) {
+ return __glXError(GLXBadContextTag);
+ }
+ /*
+ ** The calling thread is swapping its current drawable. In this case,
+ ** glxSwapBuffers is in both GL and X streams, in terms of
+ ** sequentiality.
+ */
+ if (__glXForceCurrent(cl, tag, &error)) {
+ /*
+ ** Do whatever is needed to make sure that all preceding requests
+ ** in both streams are completed before the swap is executed.
+ */
+ CALL_Finish( GET_DISPATCH(), () );
+ __GLX_NOTE_FLUSHED_CMDS(glxc);
+ } else {
+ return error;
+ }
+ }
+
+ pGlxDraw = __glXGetDrawable(glxc, drawId, client, &error);
+ if (!pGlxDraw)
+ return error;
+
+ if (pGlxDraw == NULL ||
+ pGlxDraw->type != GLX_DRAWABLE_WINDOW ||
+ pGlxDraw->copySubBuffer == NULL)
+ return __glXError(GLXBadDrawable);
+
+ (*pGlxDraw->copySubBuffer)(pGlxDraw, x, y, width, height);
+
+ return Success;
+}
+
+/*
+** Get drawable attributes
+*/
+static int
+DoGetDrawableAttributes(__GLXclientState *cl, XID drawId)
+{
+ ClientPtr client = cl->client;
+ xGLXGetDrawableAttributesReply reply;
+ __GLXdrawable *pGlxDraw;
+ CARD32 attributes[6];
+ int numAttribs, error;
+
+ if (!validGlxDrawable(client, drawId, GLX_DRAWABLE_ANY,
+ DixGetAttrAccess, &pGlxDraw, &error))
+ return error;
+
+ numAttribs = 3;
+ reply.length = numAttribs << 1;
+ reply.type = X_Reply;
+ reply.sequenceNumber = client->sequence;
+ reply.numAttribs = numAttribs;
+
+ attributes[0] = GLX_TEXTURE_TARGET_EXT;
+ attributes[1] = pGlxDraw->target == GL_TEXTURE_2D ? GLX_TEXTURE_2D_EXT :
+ GLX_TEXTURE_RECTANGLE_EXT;
+ attributes[2] = GLX_Y_INVERTED_EXT;
+ attributes[3] = GL_FALSE;
+ attributes[4] = GLX_EVENT_MASK;
+ attributes[5] = pGlxDraw->eventMask;
+
+ if (client->swapped) {
+ __glXSwapGetDrawableAttributesReply(client, &reply, attributes);
+ } else {
+ WriteToClient(client, sz_xGLXGetDrawableAttributesReply,
+ (char *)&reply);
+ WriteToClient(client, reply.length * sizeof (CARD32),
+ (char *)attributes);
+ }
+
+ return Success;
+}
+
+int __glXDisp_GetDrawableAttributes(__GLXclientState *cl, GLbyte *pc)
+{
+ xGLXGetDrawableAttributesReq *req = (xGLXGetDrawableAttributesReq *)pc;
+
+ return DoGetDrawableAttributes(cl, req->drawable);
+}
+
+int __glXDisp_GetDrawableAttributesSGIX(__GLXclientState *cl, GLbyte *pc)
+{
+ xGLXGetDrawableAttributesSGIXReq *req =
+ (xGLXGetDrawableAttributesSGIXReq *)pc;
+
+ return DoGetDrawableAttributes(cl, req->drawable);
+}
+
+/************************************************************************/
+
+/*
+** Render and Renderlarge are not in the GLX API. They are used by the GLX
+** client library to send batches of GL rendering commands.
+*/
+
+/*
+** Execute all the drawing commands in a request.
+*/
+int __glXDisp_Render(__GLXclientState *cl, GLbyte *pc)
+{
+ xGLXRenderReq *req;
+ ClientPtr client= cl->client;
+ int left, cmdlen, error;
+ int commandsDone;
+ CARD16 opcode;
+ __GLXrenderHeader *hdr;
+ __GLXcontext *glxc;
+ __GLX_DECLARE_SWAP_VARIABLES;
+
+ req = (xGLXRenderReq *) pc;
+ if (client->swapped) {
+ __GLX_SWAP_SHORT(&req->length);
+ __GLX_SWAP_INT(&req->contextTag);
+ }
+
+ glxc = __glXForceCurrent(cl, req->contextTag, &error);
+ if (!glxc) {
+ return error;
+ }
+
+ commandsDone = 0;
+ pc += sz_xGLXRenderReq;
+ left = (req->length << 2) - sz_xGLXRenderReq;
+ while (left > 0) {
+ __GLXrenderSizeData entry;
+ int extra;
+ __GLXdispatchRenderProcPtr proc;
+ int err;
+
+ /*
+ ** Verify that the header length and the overall length agree.
+ ** Also, each command must be word aligned.
+ */
+ hdr = (__GLXrenderHeader *) pc;
+ if (client->swapped) {
+ __GLX_SWAP_SHORT(&hdr->length);
+ __GLX_SWAP_SHORT(&hdr->opcode);
+ }
+ cmdlen = hdr->length;
+ opcode = hdr->opcode;
+
+ /*
+ ** Check for core opcodes and grab entry data.
+ */
+ err = __glXGetProtocolSizeData(& Render_dispatch_info, opcode, & entry);
+ proc = (__GLXdispatchRenderProcPtr)
+ __glXGetProtocolDecodeFunction(& Render_dispatch_info,
+ opcode, client->swapped);
+
+ if ((err < 0) || (proc == NULL)) {
+ client->errorValue = commandsDone;
+ return __glXError(GLXBadRenderRequest);
+ }
+
+ if (entry.varsize) {
+ /* variable size command */
+ extra = (*entry.varsize)(pc + __GLX_RENDER_HDR_SIZE,
+ client->swapped);
+ if (extra < 0) {
+ extra = 0;
+ }
+ if (cmdlen != __GLX_PAD(entry.bytes + extra)) {
+ return BadLength;
+ }
+ } else {
+ /* constant size command */
+ if (cmdlen != __GLX_PAD(entry.bytes)) {
+ return BadLength;
+ }
+ }
+ if (left < cmdlen) {
+ return BadLength;
+ }
+
+ /*
+ ** Skip over the header and execute the command. We allow the
+ ** caller to trash the command memory. This is useful especially
+ ** for things that require double alignment - they can just shift
+ ** the data towards lower memory (trashing the header) by 4 bytes
+ ** and achieve the required alignment.
+ */
+ (*proc)(pc + __GLX_RENDER_HDR_SIZE);
+ pc += cmdlen;
+ left -= cmdlen;
+ commandsDone++;
+ }
+ __GLX_NOTE_UNFLUSHED_CMDS(glxc);
+ return Success;
+}
+
+
+/*
+** Execute a large rendering request (one that spans multiple X requests).
+*/
+int __glXDisp_RenderLarge(__GLXclientState *cl, GLbyte *pc)
+{
+ xGLXRenderLargeReq *req;
+ ClientPtr client= cl->client;
+ size_t dataBytes;
+ __GLXrenderLargeHeader *hdr;
+ __GLXcontext *glxc;
+ int error;
+ CARD16 opcode;
+ __GLX_DECLARE_SWAP_VARIABLES;
+
+ req = (xGLXRenderLargeReq *) pc;
+ if (client->swapped) {
+ __GLX_SWAP_SHORT(&req->length);
+ __GLX_SWAP_INT(&req->contextTag);
+ __GLX_SWAP_INT(&req->dataBytes);
+ __GLX_SWAP_SHORT(&req->requestNumber);
+ __GLX_SWAP_SHORT(&req->requestTotal);
+ }
+
+ glxc = __glXForceCurrent(cl, req->contextTag, &error);
+ if (!glxc) {
+ /* Reset in case this isn't 1st request. */
+ __glXResetLargeCommandStatus(cl);
+ return error;
+ }
+ dataBytes = req->dataBytes;
+
+ /*
+ ** Check the request length.
+ */
+ if ((req->length << 2) != __GLX_PAD(dataBytes) + sz_xGLXRenderLargeReq) {
+ client->errorValue = req->length;
+ /* Reset in case this isn't 1st request. */
+ __glXResetLargeCommandStatus(cl);
+ return BadLength;
+ }
+ pc += sz_xGLXRenderLargeReq;
+
+ if (cl->largeCmdRequestsSoFar == 0) {
+ __GLXrenderSizeData entry;
+ int extra;
+ size_t cmdlen;
+ int err;
+
+ /*
+ ** This is the first request of a multi request command.
+ ** Make enough space in the buffer, then copy the entire request.
+ */
+ if (req->requestNumber != 1) {
+ client->errorValue = req->requestNumber;
+ return __glXError(GLXBadLargeRequest);
+ }
+
+ hdr = (__GLXrenderLargeHeader *) pc;
+ if (client->swapped) {
+ __GLX_SWAP_INT(&hdr->length);
+ __GLX_SWAP_INT(&hdr->opcode);
+ }
+ cmdlen = hdr->length;
+ opcode = hdr->opcode;
+
+ /*
+ ** Check for core opcodes and grab entry data.
+ */
+ err = __glXGetProtocolSizeData(& Render_dispatch_info, opcode, & entry);
+ if (err < 0) {
+ client->errorValue = opcode;
+ return __glXError(GLXBadLargeRequest);
+ }
+
+ if (entry.varsize) {
+ /*
+ ** If it's a variable-size command (a command whose length must
+ ** be computed from its parameters), all the parameters needed
+ ** will be in the 1st request, so it's okay to do this.
+ */
+ extra = (*entry.varsize)(pc + __GLX_RENDER_LARGE_HDR_SIZE,
+ client->swapped);
+ if (extra < 0) {
+ extra = 0;
+ }
+ /* large command's header is 4 bytes longer, so add 4 */
+ if (cmdlen != __GLX_PAD(entry.bytes + 4 + extra)) {
+ return BadLength;
+ }
+ } else {
+ /* constant size command */
+ if (cmdlen != __GLX_PAD(entry.bytes + 4)) {
+ return BadLength;
+ }
+ }
+ /*
+ ** Make enough space in the buffer, then copy the entire request.
+ */
+ if (cl->largeCmdBufSize < cmdlen) {
+ if (!cl->largeCmdBuf) {
+ cl->largeCmdBuf = (GLbyte *) xalloc(cmdlen);
+ } else {
+ cl->largeCmdBuf = (GLbyte *) xrealloc(cl->largeCmdBuf, cmdlen);
+ }
+ if (!cl->largeCmdBuf) {
+ return BadAlloc;
+ }
+ cl->largeCmdBufSize = cmdlen;
+ }
+ memcpy(cl->largeCmdBuf, pc, dataBytes);
+
+ cl->largeCmdBytesSoFar = dataBytes;
+ cl->largeCmdBytesTotal = cmdlen;
+ cl->largeCmdRequestsSoFar = 1;
+ cl->largeCmdRequestsTotal = req->requestTotal;
+ return Success;
+
+ } else {
+ /*
+ ** We are receiving subsequent (i.e. not the first) requests of a
+ ** multi request command.
+ */
+
+ /*
+ ** Check the request number and the total request count.
+ */
+ if (req->requestNumber != cl->largeCmdRequestsSoFar + 1) {
+ client->errorValue = req->requestNumber;
+ __glXResetLargeCommandStatus(cl);
+ return __glXError(GLXBadLargeRequest);
+ }
+ if (req->requestTotal != cl->largeCmdRequestsTotal) {
+ client->errorValue = req->requestTotal;
+ __glXResetLargeCommandStatus(cl);
+ return __glXError(GLXBadLargeRequest);
+ }
+
+ /*
+ ** Check that we didn't get too much data.
+ */
+ if ((cl->largeCmdBytesSoFar + dataBytes) > cl->largeCmdBytesTotal) {
+ client->errorValue = dataBytes;
+ __glXResetLargeCommandStatus(cl);
+ return __glXError(GLXBadLargeRequest);
+ }
+ memcpy(cl->largeCmdBuf + cl->largeCmdBytesSoFar, pc, dataBytes);
+ cl->largeCmdBytesSoFar += dataBytes;
+ cl->largeCmdRequestsSoFar++;
+
+ if (req->requestNumber == cl->largeCmdRequestsTotal) {
+ __GLXdispatchRenderProcPtr proc;
+
+ /*
+ ** This is the last request; it must have enough bytes to complete
+ ** the command.
+ */
+ /* NOTE: the two pad macros have been added below; they are needed
+ ** because the client library pads the total byte count, but not
+ ** the per-request byte counts. The Protocol Encoding says the
+ ** total byte count should not be padded, so a proposal will be
+ ** made to the ARB to relax the padding constraint on the total
+ ** byte count, thus preserving backward compatibility. Meanwhile,
+ ** the padding done below fixes a bug that did not allow
+ ** large commands of odd sizes to be accepted by the server.
+ */
+ if (__GLX_PAD(cl->largeCmdBytesSoFar) !=
+ __GLX_PAD(cl->largeCmdBytesTotal)) {
+ client->errorValue = dataBytes;
+ __glXResetLargeCommandStatus(cl);
+ return __glXError(GLXBadLargeRequest);
+ }
+ hdr = (__GLXrenderLargeHeader *) cl->largeCmdBuf;
+ /*
+ ** The opcode and length field in the header had already been
+ ** swapped when the first request was received.
+ **
+ ** Use the opcode to index into the procedure table.
+ */
+ opcode = hdr->opcode;
+
+ proc = (__GLXdispatchRenderProcPtr)
+ __glXGetProtocolDecodeFunction(& Render_dispatch_info, opcode,
+ client->swapped);
+ if (proc == NULL) {
+ client->errorValue = opcode;
+ return __glXError(GLXBadLargeRequest);
+ }
+
+ /*
+ ** Skip over the header and execute the command.
+ */
+ (*proc)(cl->largeCmdBuf + __GLX_RENDER_LARGE_HDR_SIZE);
+ __GLX_NOTE_UNFLUSHED_CMDS(glxc);
+
+ /*
+ ** Reset for the next RenderLarge series.
+ */
+ __glXResetLargeCommandStatus(cl);
+ } else {
+ /*
+ ** This is neither the first nor the last request.
+ */
+ }
+ return Success;
+ }
+}
+
+extern RESTYPE __glXSwapBarrierRes;
+
+int __glXDisp_BindSwapBarrierSGIX(__GLXclientState *cl, GLbyte *pc)
+{
+ ClientPtr client = cl->client;
+ xGLXBindSwapBarrierSGIXReq *req = (xGLXBindSwapBarrierSGIXReq *) pc;
+ XID drawable = req->drawable;
+ int barrier = req->barrier;
+ DrawablePtr pDraw;
+ int screen, rc;
+ __GLXscreen *pGlxScreen;
+
+ rc = dixLookupDrawable(&pDraw, drawable, client, 0, DixGetAttrAccess);
+ pGlxScreen = glxGetScreen(pDraw->pScreen);
+ if (rc == Success && (pDraw->type == DRAWABLE_WINDOW)) {
+ screen = pDraw->pScreen->myNum;
+ if (pGlxScreen->swapBarrierFuncs) {
+ int ret = pGlxScreen->swapBarrierFuncs->bindSwapBarrierFunc(screen, drawable, barrier);
+ if (ret == Success) {
+ if (barrier)
+ /* add source for cleanup when drawable is gone */
+ AddResource(drawable, __glXSwapBarrierRes, (pointer)screen);
+ else
+ /* delete source */
+ FreeResourceByType(drawable, __glXSwapBarrierRes, FALSE);
+ }
+ return ret;
+ }
+ }
+ client->errorValue = drawable;
+ return __glXError(GLXBadDrawable);
+}
+
+
+int __glXDisp_QueryMaxSwapBarriersSGIX(__GLXclientState *cl, GLbyte *pc)
+{
+ ClientPtr client = cl->client;
+ xGLXQueryMaxSwapBarriersSGIXReq *req =
+ (xGLXQueryMaxSwapBarriersSGIXReq *) pc;
+ xGLXQueryMaxSwapBarriersSGIXReply reply;
+ int screen = req->screen;
+ __GLXscreen *pGlxScreen;
+
+ pGlxScreen = glxGetScreen(screenInfo.screens[screen]);
+ if (pGlxScreen->swapBarrierFuncs)
+ reply.max = pGlxScreen->swapBarrierFuncs->queryMaxSwapBarriersFunc(screen);
+ else
+ reply.max = 0;
+
+
+ reply.length = 0;
+ reply.type = X_Reply;
+ reply.sequenceNumber = client->sequence;
+
+ if (client->swapped) {
+ __GLX_DECLARE_SWAP_VARIABLES;
+ __GLX_SWAP_SHORT(&reply.sequenceNumber);
+ }
+
+ WriteToClient(client, sz_xGLXQueryMaxSwapBarriersSGIXReply,
+ (char *) &reply);
+ return Success;
+}
+
+#define GLX_BAD_HYPERPIPE_SGIX 92
+
+int __glXDisp_QueryHyperpipeNetworkSGIX(__GLXclientState *cl, GLbyte *pc)
+{
+ ClientPtr client = cl->client;
+ xGLXQueryHyperpipeNetworkSGIXReq * req = (xGLXQueryHyperpipeNetworkSGIXReq *) pc;
+ xGLXQueryHyperpipeNetworkSGIXReply reply;
+ int screen = req->screen;
+ void *rdata = NULL;
+
+ int length=0;
+ int npipes=0;
+
+ int n= 0;
+ __GLXscreen *pGlxScreen;
+
+ pGlxScreen = glxGetScreen(screenInfo.screens[screen]);
+ if (pGlxScreen->hyperpipeFuncs) {
+ rdata =
+ (pGlxScreen->hyperpipeFuncs->queryHyperpipeNetworkFunc(screen, &npipes, &n));
+ }
+ length = __GLX_PAD(n) >> 2;
+ reply.type = X_Reply;
+ reply.sequenceNumber = client->sequence;
+ reply.length = length;
+ reply.n = n;
+ reply.npipes = npipes;
+
+ if (client->swapped) {
+ __GLX_DECLARE_SWAP_VARIABLES;
+ __GLX_SWAP_SHORT(&reply.sequenceNumber);
+ __GLX_SWAP_INT(&reply.length);
+ __GLX_SWAP_INT(&reply.n);
+ __GLX_SWAP_INT(&reply.npipes);
+ }
+ WriteToClient(client, sz_xGLXQueryHyperpipeNetworkSGIXReply,
+ (char *) &reply);
+
+ WriteToClient(client, length << 2, (char *)rdata);
+
+ return Success;
+}
+
+int __glXDisp_DestroyHyperpipeConfigSGIX (__GLXclientState *cl, GLbyte *pc)
+{
+ ClientPtr client = cl->client;
+ xGLXDestroyHyperpipeConfigSGIXReq * req =
+ (xGLXDestroyHyperpipeConfigSGIXReq *) pc;
+ xGLXDestroyHyperpipeConfigSGIXReply reply;
+ int screen = req->screen;
+ int success = GLX_BAD_HYPERPIPE_SGIX;
+ int hpId ;
+ __GLXscreen *pGlxScreen;
+
+ hpId = req->hpId;
+
+ pGlxScreen = glxGetScreen(screenInfo.screens[screen]);
+ if (pGlxScreen->hyperpipeFuncs) {
+ success = pGlxScreen->hyperpipeFuncs->destroyHyperpipeConfigFunc(screen, hpId);
+ }
+
+ reply.type = X_Reply;
+ reply.sequenceNumber = client->sequence;
+ reply.length = __GLX_PAD(0) >> 2;
+ reply.n = 0;
+ reply.success = success;
+
+
+ if (client->swapped) {
+ __GLX_DECLARE_SWAP_VARIABLES;
+ __GLX_SWAP_SHORT(&reply.sequenceNumber);
+ }
+ WriteToClient(client,
+ sz_xGLXDestroyHyperpipeConfigSGIXReply,
+ (char *) &reply);
+ return Success;
+}
+
+int __glXDisp_QueryHyperpipeConfigSGIX(__GLXclientState *cl, GLbyte *pc)
+{
+ ClientPtr client = cl->client;
+ xGLXQueryHyperpipeConfigSGIXReq * req =
+ (xGLXQueryHyperpipeConfigSGIXReq *) pc;
+ xGLXQueryHyperpipeConfigSGIXReply reply;
+ int screen = req->screen;
+ void *rdata = NULL;
+ int length;
+ int npipes=0;
+ int n= 0;
+ int hpId;
+ __GLXscreen *pGlxScreen;
+
+ hpId = req->hpId;
+
+ pGlxScreen = glxGetScreen(screenInfo.screens[screen]);
+ if (pGlxScreen->hyperpipeFuncs) {
+ rdata = pGlxScreen->hyperpipeFuncs->queryHyperpipeConfigFunc(screen, hpId,&npipes, &n);
+ }
+
+ length = __GLX_PAD(n) >> 2;
+ reply.type = X_Reply;
+ reply.sequenceNumber = client->sequence;
+ reply.length = length;
+ reply.n = n;
+ reply.npipes = npipes;
+
+
+ if (client->swapped) {
+ __GLX_DECLARE_SWAP_VARIABLES;
+ __GLX_SWAP_SHORT(&reply.sequenceNumber);
+ __GLX_SWAP_INT(&reply.length);
+ __GLX_SWAP_INT(&reply.n);
+ __GLX_SWAP_INT(&reply.npipes);
+ }
+
+ WriteToClient(client, sz_xGLXQueryHyperpipeConfigSGIXReply,
+ (char *) &reply);
+
+ WriteToClient(client, length << 2, (char *)rdata);
+
+ return Success;
+}
+
+int __glXDisp_HyperpipeConfigSGIX(__GLXclientState *cl, GLbyte *pc)
+{
+ ClientPtr client = cl->client;
+ xGLXHyperpipeConfigSGIXReq * req =
+ (xGLXHyperpipeConfigSGIXReq *) pc;
+ xGLXHyperpipeConfigSGIXReply reply;
+ int screen = req->screen;
+ void *rdata;
+
+ int npipes=0, networkId;
+ int hpId=-1;
+ __GLXscreen *pGlxScreen;
+
+ pGlxScreen = glxGetScreen(screenInfo.screens[screen]);
+ networkId = (int)req->networkId;
+ npipes = (int)req->npipes;
+ rdata = (void *)(req +1);
+
+ if (pGlxScreen->hyperpipeFuncs) {
+ pGlxScreen->hyperpipeFuncs->hyperpipeConfigFunc(screen,networkId,
+ &hpId, &npipes,
+ (void *) rdata);
+ }
+
+ reply.type = X_Reply;
+ reply.sequenceNumber = client->sequence;
+ reply.length = __GLX_PAD(0) >> 2;
+ reply.n = 0;
+ reply.npipes = npipes;
+ reply.hpId = hpId;
+
+ if (client->swapped) {
+ __GLX_DECLARE_SWAP_VARIABLES;
+ __GLX_SWAP_SHORT(&reply.sequenceNumber);
+ __GLX_SWAP_INT(&reply.npipes);
+ __GLX_SWAP_INT(&reply.hpId);
+ }
+
+ WriteToClient(client, sz_xGLXHyperpipeConfigSGIXReply,
+ (char *) &reply);
+
+ return Success;
+}
+
+
+/************************************************************************/
+
+/*
+** No support is provided for the vendor-private requests other than
+** allocating the entry points in the dispatch table.
+*/
+
+int __glXDisp_VendorPrivate(__GLXclientState *cl, GLbyte *pc)
+{
+ xGLXVendorPrivateReq *req = (xGLXVendorPrivateReq *) pc;
+ GLint vendorcode = req->vendorCode;
+ __GLXdispatchVendorPrivProcPtr proc;
+
+
+ proc = (__GLXdispatchVendorPrivProcPtr)
+ __glXGetProtocolDecodeFunction(& VendorPriv_dispatch_info,
+ vendorcode, 0);
+ if (proc != NULL) {
+ (*proc)(cl, (GLbyte*)req);
+ return Success;
+ }
+
+ cl->client->errorValue = req->vendorCode;
+ return __glXError(GLXUnsupportedPrivateRequest);
+}
+
+int __glXDisp_VendorPrivateWithReply(__GLXclientState *cl, GLbyte *pc)
+{
+ xGLXVendorPrivateReq *req = (xGLXVendorPrivateReq *) pc;
+ GLint vendorcode = req->vendorCode;
+ __GLXdispatchVendorPrivProcPtr proc;
+
+
+ proc = (__GLXdispatchVendorPrivProcPtr)
+ __glXGetProtocolDecodeFunction(& VendorPriv_dispatch_info,
+ vendorcode, 0);
+ if (proc != NULL) {
+ return (*proc)(cl, (GLbyte*)req);
+ }
+
+ cl->client->errorValue = vendorcode;
+ return __glXError(GLXUnsupportedPrivateRequest);
+}
+
+int __glXDisp_QueryExtensionsString(__GLXclientState *cl, GLbyte *pc)
+{
+ ClientPtr client = cl->client;
+ xGLXQueryExtensionsStringReq *req = (xGLXQueryExtensionsStringReq *) pc;
+ xGLXQueryExtensionsStringReply reply;
+ __GLXscreen *pGlxScreen;
+ size_t n, length;
+ char *buf;
+ int err;
+
+ if (!validGlxScreen(client, req->screen, &pGlxScreen, &err))
+ return err;
+
+ n = strlen(pGlxScreen->GLXextensions) + 1;
+ length = __GLX_PAD(n) >> 2;
+ reply.type = X_Reply;
+ reply.sequenceNumber = client->sequence;
+ reply.length = length;
+ reply.n = n;
+
+ /* Allocate buffer to make sure it's a multiple of 4 bytes big.*/
+ buf = (char *) xalloc(length << 2);
+ if (buf == NULL)
+ return BadAlloc;
+ memcpy(buf, pGlxScreen->GLXextensions, n);
+
+ if (client->swapped) {
+ glxSwapQueryExtensionsStringReply(client, &reply, buf);
+ } else {
+ WriteToClient(client, sz_xGLXQueryExtensionsStringReply,(char *)&reply);
+ WriteToClient(client, (int)(length << 2), (char *)buf);
+ }
+
+ xfree(buf);
+ return Success;
+}
+
+int __glXDisp_QueryServerString(__GLXclientState *cl, GLbyte *pc)
+{
+ ClientPtr client = cl->client;
+ xGLXQueryServerStringReq *req = (xGLXQueryServerStringReq *) pc;
+ xGLXQueryServerStringReply reply;
+ size_t n, length;
+ const char *ptr;
+ char *buf;
+ __GLXscreen *pGlxScreen;
+ int err;
+
+ if (!validGlxScreen(client, req->screen, &pGlxScreen, &err))
+ return err;
+
+ switch(req->name) {
+ case GLX_VENDOR:
+ ptr = pGlxScreen->GLXvendor;
+ break;
+ case GLX_VERSION:
+ ptr = pGlxScreen->GLXversion;
+ break;
+ case GLX_EXTENSIONS:
+ ptr = pGlxScreen->GLXextensions;
+ break;
+ default:
+ return BadValue;
+ }
+
+ n = strlen(ptr) + 1;
+ length = __GLX_PAD(n) >> 2;
+ reply.type = X_Reply;
+ reply.sequenceNumber = client->sequence;
+ reply.length = length;
+ reply.n = n;
+
+ buf = (char *) xalloc(length << 2);
+ if (buf == NULL) {
+ return BadAlloc;
+ }
+ memcpy(buf, ptr, n);
+
+ if (client->swapped) {
+ glxSwapQueryServerStringReply(client, &reply, buf);
+ } else {
+ WriteToClient(client, sz_xGLXQueryServerStringReply, (char *)&reply);
+ WriteToClient(client, (int)(length << 2), buf);
+ }
+
+ xfree(buf);
+ return Success;
+}
+
+int __glXDisp_ClientInfo(__GLXclientState *cl, GLbyte *pc)
+{
+ xGLXClientInfoReq *req = (xGLXClientInfoReq *) pc;
+ const char *buf;
+
+ cl->GLClientmajorVersion = req->major;
+ cl->GLClientminorVersion = req->minor;
+ if (cl->GLClientextensions)
+ xfree(cl->GLClientextensions);
+ buf = (const char *)(req+1);
+ cl->GLClientextensions = xstrdup(buf);
+
+ return Success;
+}
diff --git a/xorg-server/glx/glxcmdsswap.c b/xorg-server/glx/glxcmdsswap.c index f1c0ce69f..a65839527 100644 --- a/xorg-server/glx/glxcmdsswap.c +++ b/xorg-server/glx/glxcmdsswap.c @@ -30,6 +30,10 @@ #ifdef HAVE_DIX_CONFIG_H #include <dix-config.h> +#else + +#include "glheader.h" + #endif #include <string.h> @@ -354,7 +358,7 @@ int __glXDispSwap_CreateGLXPbufferSGIX(__GLXclientState *cl, GLbyte *pc) int __glXDispSwap_DestroyPbuffer(__GLXclientState *cl, GLbyte *pc) { - xGLXDestroyPbufferReq *req = (xGLXDestroyPbufferReq *) req; + xGLXDestroyPbufferReq *req = (xGLXDestroyPbufferReq *) pc; __GLX_DECLARE_SWAP_VARIABLES; __GLX_SWAP_INT(&req->pbuffer); @@ -364,7 +368,7 @@ int __glXDispSwap_DestroyPbuffer(__GLXclientState *cl, GLbyte *pc) int __glXDispSwap_DestroyGLXPbufferSGIX(__GLXclientState *cl, GLbyte *pc) { - xGLXDestroyGLXPbufferSGIXReq *req = (xGLXDestroyGLXPbufferSGIXReq *) req; + xGLXDestroyGLXPbufferSGIXReq *req = (xGLXDestroyGLXPbufferSGIXReq *) pc; __GLX_DECLARE_SWAP_VARIABLES; __GLX_SWAP_INT(&req->pbuffer); @@ -375,7 +379,7 @@ int __glXDispSwap_DestroyGLXPbufferSGIX(__GLXclientState *cl, GLbyte *pc) int __glXDispSwap_ChangeDrawableAttributes(__GLXclientState *cl, GLbyte *pc) { xGLXChangeDrawableAttributesReq *req = - (xGLXChangeDrawableAttributesReq *) req; + (xGLXChangeDrawableAttributesReq *) pc; __GLX_DECLARE_SWAP_VARIABLES; __GLX_DECLARE_SWAP_ARRAY_VARIABLES; CARD32 *attribs; @@ -392,7 +396,7 @@ int __glXDispSwap_ChangeDrawableAttributesSGIX(__GLXclientState *cl, GLbyte *pc) { xGLXChangeDrawableAttributesSGIXReq *req = - (xGLXChangeDrawableAttributesSGIXReq *) req; + (xGLXChangeDrawableAttributesSGIXReq *) pc; __GLX_DECLARE_SWAP_VARIABLES; __GLX_DECLARE_SWAP_ARRAY_VARIABLES; CARD32 *attribs; diff --git a/xorg-server/glx/glxdri.c b/xorg-server/glx/glxdri.c index 6122653b0..e4f061c54 100644 --- a/xorg-server/glx/glxdri.c +++ b/xorg-server/glx/glxdri.c @@ -1,1196 +1,1199 @@ -/* - * Copyright © 2006 Red Hat, Inc - * - * Permission to use, copy, modify, distribute, and sell this software - * and its documentation for any purpose is hereby granted without - * fee, provided that the above copyright notice appear in all copies - * and that both that copyright notice and this permission notice - * appear in supporting documentation, and that the name of Red Hat, - * Inc not be used in advertising or publicity pertaining to - * distribution of the software without specific, written prior - * permission. Red Hat, Inc makes no representations about the - * suitability of this software for any purpose. It is provided "as - * is" without express or implied warranty. - * - * RED HAT, INC DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, - * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN - * NO EVENT SHALL RED HAT, INC BE LIABLE FOR ANY SPECIAL, INDIRECT OR - * CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS - * OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, - * NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN - * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. - */ - -#ifdef HAVE_DIX_CONFIG_H -#include <dix-config.h> -#endif - -#include <stdint.h> -#include <stdio.h> -#include <string.h> -#include <errno.h> -#include <sys/time.h> -#include <dlfcn.h> - -#include <drm.h> -#include <GL/gl.h> -#include <GL/internal/dri_interface.h> - -#include <windowstr.h> -#include <os.h> -#include <damage.h> - -#define _XF86DRI_SERVER_ -#include <drm_sarea.h> -#include <xf86drm.h> -#include <X11/dri/xf86driproto.h> -#include <xf86str.h> -#include <xf86.h> -#include <dri.h> - -#include "servermd.h" - -#define DRI_NEW_INTERFACE_ONLY -#include "glxserver.h" -#include "glxutil.h" -#include "glxdricommon.h" - -#include "g_disptab.h" -#include "glapitable.h" -#include "glapi.h" -#include "glthread.h" -#include "dispatch.h" -#include "extension_string.h" - -typedef struct __GLXDRIscreen __GLXDRIscreen; -typedef struct __GLXDRIcontext __GLXDRIcontext; -typedef struct __GLXDRIdrawable __GLXDRIdrawable; - -struct __GLXDRIscreen { - __GLXscreen base; - __DRIscreen *driScreen; - void *driver; - - xf86EnterVTProc *enterVT; - xf86LeaveVTProc *leaveVT; - - const __DRIcoreExtension *core; - const __DRIlegacyExtension *legacy; - const __DRIcopySubBufferExtension *copySubBuffer; - const __DRIswapControlExtension *swapControl; - -#ifdef __DRI_TEX_OFFSET - const __DRItexOffsetExtension *texOffset; - DRITexOffsetStartProcPtr texOffsetStart; - DRITexOffsetFinishProcPtr texOffsetFinish; - __GLXDRIdrawable *texOffsetOverride[16]; - GLuint lastTexOffsetOverride; -#endif - - unsigned char glx_enable_bits[__GLX_EXT_BYTES]; -}; - -struct __GLXDRIcontext { - __GLXcontext base; - __DRIcontext *driContext; - XID hwContextID; -}; - -struct __GLXDRIdrawable { - __GLXdrawable base; - __DRIdrawable *driDrawable; - - /* Pulled in from old __GLXpixmap */ -#ifdef __DRI_TEX_OFFSET - GLint texname; - __GLXDRIcontext *ctx; - unsigned long long offset; - DamagePtr pDamage; -#endif -}; - -static void -__glXDRIleaveServer(GLboolean rendering) -{ - int i; - - for (i = 0; rendering && i < screenInfo.numScreens; i++) { - __GLXDRIscreen * const screen = - (__GLXDRIscreen *) glxGetScreen(screenInfo.screens[i]); - GLuint lastOverride = screen->lastTexOffsetOverride; - - if (lastOverride) { - __GLXDRIdrawable **texOffsetOverride = screen->texOffsetOverride; - int j; - - for (j = 0; j < lastOverride; j++) { - __GLXDRIdrawable *pGlxPix = texOffsetOverride[j]; - - if (pGlxPix && pGlxPix->texname) { - pGlxPix->offset = - screen->texOffsetStart((PixmapPtr)pGlxPix->base.pDraw); - } - } - } - } - - DRIBlockHandler(NULL, NULL, NULL); - - for (i = 0; rendering && i < screenInfo.numScreens; i++) { - __GLXDRIscreen * const screen = - (__GLXDRIscreen *) glxGetScreen(screenInfo.screens[i]); - GLuint lastOverride = screen->lastTexOffsetOverride; - - if (lastOverride) { - __GLXDRIdrawable **texOffsetOverride = screen->texOffsetOverride; - int j; - - for (j = 0; j < lastOverride; j++) { - __GLXDRIdrawable *pGlxPix = texOffsetOverride[j]; - - if (pGlxPix && pGlxPix->texname) { - screen->texOffset->setTexOffset(pGlxPix->ctx->driContext, - pGlxPix->texname, - pGlxPix->offset, - pGlxPix->base.pDraw->depth, - ((PixmapPtr)pGlxPix->base.pDraw)->devKind); - } - } - } - } -} - -static void -__glXDRIenterServer(GLboolean rendering) -{ - int i; - - for (i = 0; rendering && i < screenInfo.numScreens; i++) { - __GLXDRIscreen * const screen = (__GLXDRIscreen *) - glxGetScreen(screenInfo.screens[i]); - - if (screen->lastTexOffsetOverride) { - CALL_Flush(GET_DISPATCH(), ()); - break; - } - } - - DRIWakeupHandler(NULL, 0, NULL); -} - - -static void -__glXDRIdoReleaseTexImage(__GLXDRIscreen *screen, __GLXDRIdrawable *drawable) -{ - GLuint lastOverride = screen->lastTexOffsetOverride; - - if (lastOverride) { - __GLXDRIdrawable **texOffsetOverride = screen->texOffsetOverride; - int i; - - for (i = 0; i < lastOverride; i++) { - if (texOffsetOverride[i] == drawable) { - if (screen->texOffsetFinish) - screen->texOffsetFinish((PixmapPtr)drawable->base.pDraw); - - texOffsetOverride[i] = NULL; - - if (i + 1 == lastOverride) { - lastOverride = 0; - - while (i--) { - if (texOffsetOverride[i]) { - lastOverride = i + 1; - break; - } - } - - screen->lastTexOffsetOverride = lastOverride; - - break; - } - } - } - } -} - - -static void -__glXDRIdrawableDestroy(__GLXdrawable *drawable) -{ - __GLXDRIdrawable *private = (__GLXDRIdrawable *) drawable; - __GLXDRIscreen *screen; - int i; - - for (i = 0; i < screenInfo.numScreens; i++) { - screen = (__GLXDRIscreen *) glxGetScreen(screenInfo.screens[i]); - __glXDRIdoReleaseTexImage(screen, private); - } - - /* If the X window was destroyed, the dri DestroyWindow hook will - * aready have taken care of this, so only call if pDraw isn't NULL. */ - if (drawable->pDraw != NULL) { - screen = (__GLXDRIscreen *) glxGetScreen(drawable->pDraw->pScreen); - (*screen->core->destroyDrawable)(private->driDrawable); - - __glXenterServer(GL_FALSE); - DRIDestroyDrawable(drawable->pDraw->pScreen, - serverClient, drawable->pDraw); - __glXleaveServer(GL_FALSE); - } - - __glXDrawableRelease(drawable); - - xfree(private); -} - -static GLboolean -__glXDRIdrawableSwapBuffers(__GLXdrawable *basePrivate) -{ - __GLXDRIdrawable *private = (__GLXDRIdrawable *) basePrivate; - __GLXDRIscreen *screen = - (__GLXDRIscreen *) glxGetScreen(basePrivate->pDraw->pScreen); - - (*screen->core->swapBuffers)(private->driDrawable); - - return TRUE; -} - - -static int -__glXDRIdrawableSwapInterval(__GLXdrawable *baseDrawable, int interval) -{ - __GLXDRIdrawable *draw = (__GLXDRIdrawable *) baseDrawable; - __GLXDRIscreen *screen = - (__GLXDRIscreen *) glxGetScreen(baseDrawable->pDraw->pScreen); - - if (screen->swapControl) - screen->swapControl->setSwapInterval(draw->driDrawable, interval); - - return 0; -} - - -static void -__glXDRIdrawableCopySubBuffer(__GLXdrawable *basePrivate, - int x, int y, int w, int h) -{ - __GLXDRIdrawable *private = (__GLXDRIdrawable *) basePrivate; - __GLXDRIscreen *screen = (__GLXDRIscreen *) - glxGetScreen(basePrivate->pDraw->pScreen); - - if (screen->copySubBuffer) - screen->copySubBuffer->copySubBuffer(private->driDrawable, x, y, w, h); -} - -static void -__glXDRIcontextDestroy(__GLXcontext *baseContext) -{ - __GLXDRIcontext *context = (__GLXDRIcontext *) baseContext; - __GLXDRIscreen *screen = (__GLXDRIscreen *) context->base.pGlxScreen; - Bool retval; - - screen->core->destroyContext(context->driContext); - - __glXenterServer(GL_FALSE); - retval = DRIDestroyContext(baseContext->pGlxScreen->pScreen, - context->hwContextID); - __glXleaveServer(GL_FALSE); - - __glXContextDestroy(&context->base); - xfree(context); -} - -static int -__glXDRIcontextMakeCurrent(__GLXcontext *baseContext) -{ - __GLXDRIcontext *context = (__GLXDRIcontext *) baseContext; - __GLXDRIscreen *screen = (__GLXDRIscreen *) context->base.pGlxScreen; - __GLXDRIdrawable *draw = (__GLXDRIdrawable *) baseContext->drawPriv; - __GLXDRIdrawable *read = (__GLXDRIdrawable *) baseContext->readPriv; - - return (*screen->core->bindContext)(context->driContext, - draw->driDrawable, - read->driDrawable); -} - -static int -__glXDRIcontextLoseCurrent(__GLXcontext *baseContext) -{ - __GLXDRIcontext *context = (__GLXDRIcontext *) baseContext; - __GLXDRIscreen *screen = (__GLXDRIscreen *) context->base.pGlxScreen; - - return (*screen->core->unbindContext)(context->driContext); -} - -static int -__glXDRIcontextCopy(__GLXcontext *baseDst, __GLXcontext *baseSrc, - unsigned long mask) -{ - __GLXDRIcontext *dst = (__GLXDRIcontext *) baseDst; - __GLXDRIcontext *src = (__GLXDRIcontext *) baseSrc; - __GLXDRIscreen *screen = (__GLXDRIscreen *) dst->base.pGlxScreen; - - return (*screen->core->copyContext)(dst->driContext, - src->driContext, mask); -} - -static int -__glXDRIcontextForceCurrent(__GLXcontext *baseContext) -{ - __GLXDRIcontext *context = (__GLXDRIcontext *) baseContext; - __GLXDRIdrawable *draw = (__GLXDRIdrawable *) baseContext->drawPriv; - __GLXDRIdrawable *read = (__GLXDRIdrawable *) baseContext->readPriv; - __GLXDRIscreen *screen = (__GLXDRIscreen *) context->base.pGlxScreen; - - return (*screen->core->bindContext)(context->driContext, - draw->driDrawable, - read->driDrawable); -} - -static void -glxFillAlphaChannel (CARD32 *pixels, CARD32 rowstride, int width, int height) -{ - int i; - CARD32 *p, *end; - - rowstride /= 4; - - for (i = 0; i < height; i++) - { - p = pixels; - end = p + width; - while (p < end) - *p++ |= 0xFF000000; - pixels += rowstride; - } -} - -static Bool -testTexOffset(__GLXDRIscreen * const screen, PixmapPtr pPixmap) -{ - Bool ret; - - if (!screen->texOffsetStart || !screen->texOffset) - return FALSE; - - __glXenterServer(GL_FALSE); - ret = screen->texOffsetStart(pPixmap) != ~0ULL; - __glXleaveServer(GL_FALSE); - - return ret; -} - -/* - * (sticking this here for lack of a better place) - * Known issues with the GLX_EXT_texture_from_pixmap implementation: - * - In general we ignore the fbconfig, lots of examples follow - * - No fbconfig handling for multiple mipmap levels - * - No fbconfig handling for 1D textures - * - No fbconfig handling for TEXTURE_TARGET - * - No fbconfig exposure of Y inversion state - * - No GenerateMipmapEXT support (due to no FBO support) - * - No support for anything but 16bpp and 32bpp-sparse pixmaps - */ - -static int -__glXDRIbindTexImage(__GLXcontext *baseContext, - int buffer, - __GLXdrawable *glxPixmap) -{ - RegionPtr pRegion = NULL; - PixmapPtr pixmap; - int bpp, override = 0, texname; - GLenum format, type; - ScreenPtr pScreen = glxPixmap->pDraw->pScreen; - __GLXDRIdrawable *driDraw = (__GLXDRIdrawable *) glxPixmap; - __GLXDRIscreen * const screen = (__GLXDRIscreen *) glxGetScreen(pScreen); - - CALL_GetIntegerv(GET_DISPATCH(), (glxPixmap->target == GL_TEXTURE_2D ? - GL_TEXTURE_BINDING_2D : - GL_TEXTURE_BINDING_RECTANGLE_NV, - &texname)); - - if (!texname) - return __glXError(GLXBadContextState); - - pixmap = (PixmapPtr) glxPixmap->pDraw; - - if (testTexOffset(screen, pixmap)) { - __GLXDRIdrawable **texOffsetOverride = screen->texOffsetOverride; - int i, firstEmpty = 16; - - for (i = 0; i < 16; i++) { - if (texOffsetOverride[i] == driDraw) - goto alreadyin; - - if (firstEmpty == 16 && !texOffsetOverride[i]) - firstEmpty = i; - } - - if (firstEmpty == 16) { - ErrorF("%s: Failed to register texture offset override\n", __func__); - goto nooverride; - } - - if (firstEmpty >= screen->lastTexOffsetOverride) - screen->lastTexOffsetOverride = firstEmpty + 1; - - texOffsetOverride[firstEmpty] = driDraw; - -alreadyin: - override = 1; - - driDraw->ctx = (__GLXDRIcontext*)baseContext; - - if (texname == driDraw->texname) - return Success; - - driDraw->texname = texname; - - screen->texOffset->setTexOffset(driDraw->ctx->driContext, texname, 0, - pixmap->drawable.depth, - pixmap->devKind); - } -nooverride: - - if (!driDraw->pDamage) { - if (!override) { - driDraw->pDamage = DamageCreate(NULL, NULL, DamageReportNone, - TRUE, pScreen, NULL); - if (!driDraw->pDamage) - return BadAlloc; - - DamageRegister ((DrawablePtr) pixmap, driDraw->pDamage); - } - - pRegion = NULL; - } else { - pRegion = DamageRegion(driDraw->pDamage); - if (REGION_NIL(pRegion)) - return Success; - } - - /* XXX 24bpp packed, 8, etc */ - if (pixmap->drawable.depth >= 24) { - bpp = 4; - format = GL_BGRA; - type = -#if X_BYTE_ORDER == X_BIG_ENDIAN - !override ? GL_UNSIGNED_INT_8_8_8_8_REV : -#endif - GL_UNSIGNED_BYTE; - } else { - bpp = 2; - format = GL_RGB; - type = GL_UNSIGNED_SHORT_5_6_5; - } - - if (pRegion == NULL) - { - void *data = NULL; - - if (!override) { - unsigned pitch = PixmapBytePad(pixmap->drawable.width, - pixmap->drawable.depth); - - data = xalloc(pitch * pixmap->drawable.height); - - __glXenterServer(GL_FALSE); - pScreen->GetImage(&pixmap->drawable, 0 /*pixmap->drawable.x*/, - 0 /*pixmap->drawable.y*/, pixmap->drawable.width, - pixmap->drawable.height, ZPixmap, ~0, data); - __glXleaveServer(GL_FALSE); - - if (pixmap->drawable.depth == 24) - glxFillAlphaChannel(data, - pitch, - pixmap->drawable.width, - pixmap->drawable.height); - - CALL_PixelStorei( GET_DISPATCH(), (GL_UNPACK_ROW_LENGTH, - pitch / bpp) ); - CALL_PixelStorei( GET_DISPATCH(), (GL_UNPACK_SKIP_PIXELS, 0) ); - CALL_PixelStorei( GET_DISPATCH(), (GL_UNPACK_SKIP_ROWS, 0) ); - } - - CALL_TexImage2D( GET_DISPATCH(), - (glxPixmap->target, - 0, - bpp == 4 ? 4 : 3, - pixmap->drawable.width, - pixmap->drawable.height, - 0, - format, - type, - data) ); - - xfree(data); - } else if (!override) { - int i, numRects; - BoxPtr p; - - numRects = REGION_NUM_RECTS (pRegion); - p = REGION_RECTS (pRegion); - - CALL_PixelStorei( GET_DISPATCH(), (GL_UNPACK_SKIP_PIXELS, 0) ); - CALL_PixelStorei( GET_DISPATCH(), (GL_UNPACK_SKIP_ROWS, 0) ); - - for (i = 0; i < numRects; i++) - { - unsigned pitch = PixmapBytePad(p[i].x2 - p[i].x1, - pixmap->drawable.depth); - void *data = xalloc(pitch * (p[i].y2 - p[i].y1)); - - __glXenterServer(GL_FALSE); - pScreen->GetImage(&pixmap->drawable, /*pixmap->drawable.x +*/ p[i].x1, - /*pixmap->drawable.y*/ + p[i].y1, p[i].x2 - p[i].x1, - p[i].y2 - p[i].y1, ZPixmap, ~0, data); - __glXleaveServer(GL_FALSE); - - if (pixmap->drawable.depth == 24) - glxFillAlphaChannel(data, - pitch, - p[i].x2 - p[i].x1, - p[i].y2 - p[i].y1); - - CALL_PixelStorei( GET_DISPATCH(), (GL_UNPACK_ROW_LENGTH, - pitch / bpp) ); - - CALL_TexSubImage2D( GET_DISPATCH(), - (glxPixmap->target, - 0, - p[i].x1, p[i].y1, - p[i].x2 - p[i].x1, p[i].y2 - p[i].y1, - format, - type, - data) ); - - xfree(data); - } - } - - if (!override) - DamageEmpty(driDraw->pDamage); - - return Success; -} - -static int -__glXDRIreleaseTexImage(__GLXcontext *baseContext, - int buffer, - __GLXdrawable *pixmap) -{ - __GLXDRIscreen *screen = - (__GLXDRIscreen *) glxGetScreen(pixmap->pDraw->pScreen); - __GLXDRIdrawable *drawable = (__GLXDRIdrawable *) pixmap; - - __glXDRIdoReleaseTexImage(screen, drawable); - - return Success; -} - -static __GLXtextureFromPixmap __glXDRItextureFromPixmap = { - __glXDRIbindTexImage, - __glXDRIreleaseTexImage -}; - -static void -__glXDRIscreenDestroy(__GLXscreen *baseScreen) -{ - __GLXDRIscreen *screen = (__GLXDRIscreen *) baseScreen; - - screen->core->destroyScreen(screen->driScreen); - - dlclose(screen->driver); - - __glXScreenDestroy(baseScreen); - - xfree(screen); -} - -static __GLXcontext * -__glXDRIscreenCreateContext(__GLXscreen *baseScreen, - __GLXconfig *glxConfig, - __GLXcontext *baseShareContext) -{ - __GLXDRIscreen *screen = (__GLXDRIscreen *) baseScreen; - __GLXDRIcontext *context, *shareContext; - __GLXDRIconfig *config = (__GLXDRIconfig *) glxConfig; - VisualPtr visual; - int i; - GLboolean retval; - __DRIcontext *driShare; - drm_context_t hwContext; - ScreenPtr pScreen = baseScreen->pScreen; - - shareContext = (__GLXDRIcontext *) baseShareContext; - if (shareContext) - driShare = shareContext->driContext; - else - driShare = NULL; - - if (baseShareContext && baseShareContext->isDirect) - return NULL; - - context = xcalloc(1, sizeof *context); - if (context == NULL) - return NULL; - - context->base.destroy = __glXDRIcontextDestroy; - context->base.makeCurrent = __glXDRIcontextMakeCurrent; - context->base.loseCurrent = __glXDRIcontextLoseCurrent; - context->base.copy = __glXDRIcontextCopy; - context->base.forceCurrent = __glXDRIcontextForceCurrent; - - context->base.textureFromPixmap = &__glXDRItextureFromPixmap; - /* Find the requested X visual */ - visual = pScreen->visuals; - for (i = 0; i < pScreen->numVisuals; i++, visual++) - if (visual->vid == glxConfig->visualID) - break; - if (i == pScreen->numVisuals) - return NULL; - - context->hwContextID = FakeClientID(0); - - __glXenterServer(GL_FALSE); - retval = DRICreateContext(baseScreen->pScreen, visual, - context->hwContextID, &hwContext); - __glXleaveServer(GL_FALSE); - - if (!retval) - return NULL; - - context->driContext = - screen->legacy->createNewContext(screen->driScreen, - config->driConfig, - 0, /* render type */ - driShare, - hwContext, - context); - - if (context->driContext == NULL) { - __glXenterServer(GL_FALSE); - retval = DRIDestroyContext(baseScreen->pScreen, context->hwContextID); - __glXleaveServer(GL_FALSE); - xfree(context); - return NULL; - } - - return &context->base; -} - -static __GLXdrawable * -__glXDRIscreenCreateDrawable(__GLXscreen *screen, - DrawablePtr pDraw, - int type, - XID drawId, - __GLXconfig *glxConfig) -{ - __GLXDRIscreen *driScreen = (__GLXDRIscreen *) screen; - __GLXDRIconfig *config = (__GLXDRIconfig *) glxConfig; - __GLXDRIdrawable *private; - GLboolean retval; - drm_drawable_t hwDrawable; - - private = xcalloc(1, sizeof *private); - if (private == NULL) - return NULL; - - if (!__glXDrawableInit(&private->base, screen, - pDraw, type, drawId, glxConfig)) { - xfree(private); - return NULL; - } - - private->base.destroy = __glXDRIdrawableDestroy; - private->base.swapBuffers = __glXDRIdrawableSwapBuffers; - private->base.copySubBuffer = __glXDRIdrawableCopySubBuffer; - private->base.waitX = NULL; - private->base.waitGL = NULL; - - __glXenterServer(GL_FALSE); - retval = DRICreateDrawable(screen->pScreen, serverClient, - pDraw, &hwDrawable); - __glXleaveServer(GL_FALSE); - - if (!retval) { - xfree(private); - return NULL; - } - - /* The last argument is 'attrs', which is used with pbuffers which - * we currently don't support. */ - - private->driDrawable = - (driScreen->legacy->createNewDrawable)(driScreen->driScreen, - config->driConfig, - hwDrawable, 0, NULL, private); - - if (private->driDrawable == NULL) { - __glXenterServer(GL_FALSE); - DRIDestroyDrawable(screen->pScreen, serverClient, pDraw); - __glXleaveServer(GL_FALSE); - xfree(private); - return NULL; - } - - return &private->base; -} - -static GLboolean -getDrawableInfo(__DRIdrawable *driDrawable, - unsigned int *index, unsigned int *stamp, - int *x, int *y, int *width, int *height, - int *numClipRects, drm_clip_rect_t **ppClipRects, - int *backX, int *backY, - int *numBackClipRects, drm_clip_rect_t **ppBackClipRects, - void *data) -{ - __GLXDRIdrawable *drawable = data; - ScreenPtr pScreen; - drm_clip_rect_t *pClipRects, *pBackClipRects; - GLboolean retval; - size_t size; - - /* If the X window has been destroyed, give up here. */ - if (drawable->base.pDraw == NULL) - return GL_FALSE; - - pScreen = drawable->base.pDraw->pScreen; - __glXenterServer(GL_FALSE); - retval = DRIGetDrawableInfo(pScreen, drawable->base.pDraw, index, stamp, - x, y, width, height, - numClipRects, &pClipRects, - backX, backY, - numBackClipRects, &pBackClipRects); - __glXleaveServer(GL_FALSE); - - if (retval && *numClipRects > 0) { - size = sizeof (drm_clip_rect_t) * *numClipRects; - *ppClipRects = xalloc (size); - - /* Clip cliprects to screen dimensions (redirected windows) */ - if (*ppClipRects != NULL) { - int i, j; - - for (i = 0, j = 0; i < *numClipRects; i++) { - (*ppClipRects)[j].x1 = max(pClipRects[i].x1, 0); - (*ppClipRects)[j].y1 = max(pClipRects[i].y1, 0); - (*ppClipRects)[j].x2 = min(pClipRects[i].x2, pScreen->width); - (*ppClipRects)[j].y2 = min(pClipRects[i].y2, pScreen->height); - - if ((*ppClipRects)[j].x1 < (*ppClipRects)[j].x2 && - (*ppClipRects)[j].y1 < (*ppClipRects)[j].y2) { - j++; - } - } - - if (*numClipRects != j) { - *numClipRects = j; - *ppClipRects = xrealloc (*ppClipRects, - sizeof (drm_clip_rect_t) * - *numClipRects); - } - } else - *numClipRects = 0; - } - else { - *ppClipRects = NULL; - *numClipRects = 0; - } - - if (retval && *numBackClipRects > 0) { - size = sizeof (drm_clip_rect_t) * *numBackClipRects; - *ppBackClipRects = xalloc (size); - if (*ppBackClipRects != NULL) - memcpy (*ppBackClipRects, pBackClipRects, size); - else - *numBackClipRects = 0; - } - else { - *ppBackClipRects = NULL; - *numBackClipRects = 0; - } - - return retval; -} - -static void __glXReportDamage(__DRIdrawable *driDraw, - int x, int y, - drm_clip_rect_t *rects, int num_rects, - GLboolean front_buffer, - void *data) -{ - __GLXDRIdrawable *drawable = data; - DrawablePtr pDraw = drawable->base.pDraw; - RegionRec region; - - __glXenterServer(GL_FALSE); - - REGION_INIT(pDraw->pScreen, ®ion, (BoxPtr) rects, num_rects); - REGION_TRANSLATE(pScreen, ®ion, pDraw->x, pDraw->y); - DamageRegionAppend(pDraw, ®ion); - /* This is wrong, this needs a seperate function. */ - DamageRegionProcessPending(pDraw); - REGION_UNINIT(pDraw->pScreen, ®ion); - - __glXleaveServer(GL_FALSE); -} - -static const __DRIgetDrawableInfoExtension getDrawableInfoExtension = { - { __DRI_GET_DRAWABLE_INFO, __DRI_GET_DRAWABLE_INFO_VERSION }, - getDrawableInfo -}; - -static const __DRIdamageExtension damageExtension = { - { __DRI_DAMAGE, __DRI_DAMAGE_VERSION }, - __glXReportDamage, -}; - -static const __DRIextension *loader_extensions[] = { - &systemTimeExtension.base, - &getDrawableInfoExtension.base, - &damageExtension.base, - NULL -}; - - - -static const char dri_driver_path[] = DRI_DRIVER_PATH; - -static Bool -glxDRIEnterVT (int index, int flags) -{ - __GLXDRIscreen *screen = (__GLXDRIscreen *) - glxGetScreen(screenInfo.screens[index]); - - LogMessage(X_INFO, "AIGLX: Resuming AIGLX clients after VT switch\n"); - - if (!(*screen->enterVT) (index, flags)) - return FALSE; - - glxResumeClients(); - - return TRUE; -} - -static void -glxDRILeaveVT (int index, int flags) -{ - __GLXDRIscreen *screen = (__GLXDRIscreen *) - glxGetScreen(screenInfo.screens[index]); - - LogMessage(X_INFO, "AIGLX: Suspending AIGLX clients for VT switch\n"); - - glxSuspendClients(); - - return (*screen->leaveVT) (index, flags); -} - -static void -initializeExtensions(__GLXDRIscreen *screen) -{ - const __DRIextension **extensions; - int i; - - extensions = screen->core->getExtensions(screen->driScreen); - - for (i = 0; extensions[i]; i++) { -#ifdef __DRI_READ_DRAWABLE - if (strcmp(extensions[i]->name, __DRI_READ_DRAWABLE) == 0) { - __glXEnableExtension(screen->glx_enable_bits, - "GLX_SGI_make_current_read"); - - LogMessage(X_INFO, "AIGLX: enabled GLX_SGI_make_current_read\n"); - } -#endif - -#ifdef __DRI_COPY_SUB_BUFFER - if (strcmp(extensions[i]->name, __DRI_COPY_SUB_BUFFER) == 0) { - screen->copySubBuffer = (__DRIcopySubBufferExtension *) extensions[i]; - __glXEnableExtension(screen->glx_enable_bits, - "GLX_MESA_copy_sub_buffer"); - - LogMessage(X_INFO, "AIGLX: enabled GLX_MESA_copy_sub_buffer\n"); - } -#endif - -#ifdef __DRI_SWAP_CONTROL - if (strcmp(extensions[i]->name, __DRI_SWAP_CONTROL) == 0) { - screen->swapControl = (__DRIswapControlExtension *) extensions[i]; - __glXEnableExtension(screen->glx_enable_bits, - "GLX_SGI_swap_control"); - __glXEnableExtension(screen->glx_enable_bits, - "GLX_MESA_swap_control"); - - LogMessage(X_INFO, "AIGLX: enabled GLX_SGI_swap_control and GLX_MESA_swap_control\n"); - } -#endif - -#ifdef __DRI_TEX_OFFSET - if (strcmp(extensions[i]->name, __DRI_TEX_OFFSET) == 0) { - screen->texOffset = (__DRItexOffsetExtension *) extensions[i]; - LogMessage(X_INFO, "AIGLX: enabled GLX_texture_from_pixmap with driver support\n"); - } -#endif - /* Ignore unknown extensions */ - } -} - -extern __GLXconfig * -glxConvertConfigs(const __DRIcoreExtension *core, const __DRIconfig **configs); - -static __GLXscreen * -__glXDRIscreenProbe(ScreenPtr pScreen) -{ - drm_handle_t hSAREA; - drmAddress pSAREA = NULL; - char *BusID; - __DRIversion ddx_version; - __DRIversion dri_version; - __DRIversion drm_version; - __DRIframebuffer framebuffer; - int fd = -1; - int status; - drm_magic_t magic; - drmVersionPtr version; - int newlyopened; - char *driverName; - drm_handle_t hFB; - int junk; - __GLXDRIscreen *screen; - char filename[128]; - Bool isCapable; - size_t buffer_size; - ScrnInfoPtr pScrn = xf86Screens[pScreen->myNum]; - const __DRIconfig **driConfigs; - const __DRIextension **extensions; - int i; - - if (!xf86LoaderCheckSymbol("DRIQueryDirectRenderingCapable") || - !DRIQueryDirectRenderingCapable(pScreen, &isCapable) || - !isCapable) { - LogMessage(X_INFO, - "AIGLX: Screen %d is not DRI capable\n", pScreen->myNum); - return NULL; - } - - screen = xcalloc(1, sizeof *screen); - if (screen == NULL) - return NULL; - - screen->base.destroy = __glXDRIscreenDestroy; - screen->base.createContext = __glXDRIscreenCreateContext; - screen->base.createDrawable = __glXDRIscreenCreateDrawable; - screen->base.swapInterval = __glXDRIdrawableSwapInterval; - screen->base.pScreen = pScreen; - - __glXInitExtensionEnableBits(screen->glx_enable_bits); - - /* DRI protocol version. */ - dri_version.major = XF86DRI_MAJOR_VERSION; - dri_version.minor = XF86DRI_MINOR_VERSION; - dri_version.patch = XF86DRI_PATCH_VERSION; - - if (!DRIOpenConnection(pScreen, &hSAREA, &BusID)) { - LogMessage(X_ERROR, "AIGLX error: DRIOpenConnection failed\n"); - goto handle_error; - } - - fd = drmOpenOnce(NULL, BusID, &newlyopened); - - if (fd < 0) { - LogMessage(X_ERROR, "AIGLX error: drmOpenOnce failed (%s)\n", - strerror(-fd)); - goto handle_error; - } - - if (drmGetMagic(fd, &magic)) { - LogMessage(X_ERROR, "AIGLX error: drmGetMagic failed\n"); - goto handle_error; - } - - version = drmGetVersion(fd); - if (version) { - drm_version.major = version->version_major; - drm_version.minor = version->version_minor; - drm_version.patch = version->version_patchlevel; - drmFreeVersion(version); - } - else { - drm_version.major = -1; - drm_version.minor = -1; - drm_version.patch = -1; - } - - if (newlyopened && !DRIAuthConnection(pScreen, magic)) { - LogMessage(X_ERROR, "AIGLX error: DRIAuthConnection failed\n"); - goto handle_error; - } - - /* Get device name (like "tdfx") and the ddx version numbers. - * We'll check the version in each DRI driver's "createNewScreen" - * function. */ - if (!DRIGetClientDriverName(pScreen, - &ddx_version.major, - &ddx_version.minor, - &ddx_version.patch, - &driverName)) { - LogMessage(X_ERROR, "AIGLX error: DRIGetClientDriverName failed\n"); - goto handle_error; - } - - snprintf(filename, sizeof filename, "%s/%s_dri.so", - dri_driver_path, driverName); - - screen->driver = dlopen(filename, RTLD_LAZY | RTLD_LOCAL); - if (screen->driver == NULL) { - LogMessage(X_ERROR, "AIGLX error: dlopen of %s failed (%s)\n", - filename, dlerror()); - goto handle_error; - } - - extensions = dlsym(screen->driver, __DRI_DRIVER_EXTENSIONS); - if (extensions == NULL) { - LogMessage(X_ERROR, "AIGLX error: %s exports no extensions (%s)\n", - driverName, dlerror()); - goto handle_error; - } - - for (i = 0; extensions[i]; i++) { - if (strcmp(extensions[i]->name, __DRI_CORE) == 0 && - extensions[i]->version >= __DRI_CORE_VERSION) { - screen->core = (__DRIcoreExtension *) extensions[i]; - } - - if (strcmp(extensions[i]->name, __DRI_LEGACY) == 0 && - extensions[i]->version >= __DRI_LEGACY_VERSION) { - screen->legacy = (__DRIlegacyExtension *) extensions[i]; - } - } - - if (screen->core == NULL || screen->legacy == NULL) { - LogMessage(X_ERROR, - "AIGLX error: %s does not export required DRI extension\n", - driverName); - goto handle_error; - } - - /* - * Get device-specific info. pDevPriv will point to a struct - * (such as DRIRADEONRec in xfree86/driver/ati/radeon_dri.h) that - * has information about the screen size, depth, pitch, ancilliary - * buffers, DRM mmap handles, etc. - */ - if (!DRIGetDeviceInfo(pScreen, &hFB, &junk, - &framebuffer.size, &framebuffer.stride, - &framebuffer.dev_priv_size, &framebuffer.dev_priv)) { - LogMessage(X_ERROR, "AIGLX error: XF86DRIGetDeviceInfo failed\n"); - goto handle_error; - } - - framebuffer.width = pScreen->width; - framebuffer.height = pScreen->height; - - /* Map the framebuffer region. */ - status = drmMap(fd, hFB, framebuffer.size, - (drmAddressPtr)&framebuffer.base); - if (status != 0) { - LogMessage(X_ERROR, "AIGLX error: drmMap of framebuffer failed (%s)\n", - strerror(-status)); - goto handle_error; - } - - /* Map the SAREA region. Further mmap regions may be setup in - * each DRI driver's "createNewScreen" function. - */ - status = drmMap(fd, hSAREA, SAREA_MAX, &pSAREA); - if (status != 0) { - LogMessage(X_ERROR, "AIGLX error: drmMap of SAREA failed (%s)\n", - strerror(-status)); - goto handle_error; - } - - screen->driScreen = - (*screen->legacy->createNewScreen)(pScreen->myNum, - &ddx_version, - &dri_version, - &drm_version, - &framebuffer, - pSAREA, - fd, - loader_extensions, - &driConfigs, - screen); - - if (screen->driScreen == NULL) { - LogMessage(X_ERROR, - "AIGLX error: Calling driver entry point failed\n"); - goto handle_error; - } - - screen->base.fbconfigs = glxConvertConfigs(screen->core, driConfigs); - - initializeExtensions(screen); - - DRIGetTexOffsetFuncs(pScreen, &screen->texOffsetStart, - &screen->texOffsetFinish); - - __glXScreenInit(&screen->base, pScreen); - - /* The first call simply determines the length of the extension string. - * This allows us to allocate some memory to hold the extension string, - * but it requires that we call __glXGetExtensionString a second time. - */ - buffer_size = __glXGetExtensionString(screen->glx_enable_bits, NULL); - if (buffer_size > 0) { - if (screen->base.GLXextensions != NULL) { - xfree(screen->base.GLXextensions); - } - - screen->base.GLXextensions = xnfalloc(buffer_size); - (void) __glXGetExtensionString(screen->glx_enable_bits, - screen->base.GLXextensions); - } - - __glXsetEnterLeaveServerFuncs(__glXDRIenterServer, __glXDRIleaveServer); - - screen->enterVT = pScrn->EnterVT; - pScrn->EnterVT = glxDRIEnterVT; - screen->leaveVT = pScrn->LeaveVT; - pScrn->LeaveVT = glxDRILeaveVT; - - LogMessage(X_INFO, - "AIGLX: Loaded and initialized %s\n", filename); - - return &screen->base; - - handle_error: - if (pSAREA != NULL) - drmUnmap(pSAREA, SAREA_MAX); - - if (framebuffer.base != NULL) - drmUnmap((drmAddress)framebuffer.base, framebuffer.size); - - if (fd >= 0) - drmCloseOnce(fd); - - DRICloseConnection(pScreen); - - if (screen->driver) - dlclose(screen->driver); - - xfree(screen); - - LogMessage(X_ERROR, "AIGLX: reverting to software rendering\n"); - - return NULL; -} - -_X_EXPORT __GLXprovider __glXDRIProvider = { - __glXDRIscreenProbe, - "DRI", - NULL -}; +/*
+ * Copyright © 2006 Red Hat, Inc
+ *
+ * Permission to use, copy, modify, distribute, and sell this software
+ * and its documentation for any purpose is hereby granted without
+ * fee, provided that the above copyright notice appear in all copies
+ * and that both that copyright notice and this permission notice
+ * appear in supporting documentation, and that the name of Red Hat,
+ * Inc not be used in advertising or publicity pertaining to
+ * distribution of the software without specific, written prior
+ * permission. Red Hat, Inc makes no representations about the
+ * suitability of this software for any purpose. It is provided "as
+ * is" without express or implied warranty.
+ *
+ * RED HAT, INC DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
+ * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN
+ * NO EVENT SHALL RED HAT, INC BE LIABLE FOR ANY SPECIAL, INDIRECT OR
+ * CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS
+ * OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT,
+ * NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
+ * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+
+#ifdef HAVE_DIX_CONFIG_H
+#include <dix-config.h>
+#endif
+
+#include <stdint.h>
+#include <stdio.h>
+#include <string.h>
+#include <errno.h>
+#ifndef _MSC_VER
+#include <sys/time.h>
+#include <dlfcn.h>
+
+#include <drm.h>
+#endif
+
+#include <GL/gl.h>
+#include <GL/internal/dri_interface.h>
+
+#include <windowstr.h>
+#include <os.h>
+#include <damage.h>
+
+#define _XF86DRI_SERVER_
+#include <drm_sarea.h>
+#include <xf86drm.h>
+#include <X11/dri/xf86driproto.h>
+#include <xf86str.h>
+#include <xf86.h>
+#include <dri.h>
+
+#include "servermd.h"
+
+#define DRI_NEW_INTERFACE_ONLY
+#include "glxserver.h"
+#include "glxutil.h"
+#include "glxdricommon.h"
+
+#include "g_disptab.h"
+#include "glapitable.h"
+#include "glapi.h"
+#include "glthread.h"
+#include "dispatch.h"
+#include "extension_string.h"
+
+typedef struct __GLXDRIscreen __GLXDRIscreen;
+typedef struct __GLXDRIcontext __GLXDRIcontext;
+typedef struct __GLXDRIdrawable __GLXDRIdrawable;
+
+struct __GLXDRIscreen {
+ __GLXscreen base;
+ __DRIscreen *driScreen;
+ void *driver;
+
+ xf86EnterVTProc *enterVT;
+ xf86LeaveVTProc *leaveVT;
+
+ const __DRIcoreExtension *core;
+ const __DRIlegacyExtension *legacy;
+ const __DRIcopySubBufferExtension *copySubBuffer;
+ const __DRIswapControlExtension *swapControl;
+
+#ifdef __DRI_TEX_OFFSET
+ const __DRItexOffsetExtension *texOffset;
+ DRITexOffsetStartProcPtr texOffsetStart;
+ DRITexOffsetFinishProcPtr texOffsetFinish;
+ __GLXDRIdrawable *texOffsetOverride[16];
+ GLuint lastTexOffsetOverride;
+#endif
+
+ unsigned char glx_enable_bits[__GLX_EXT_BYTES];
+};
+
+struct __GLXDRIcontext {
+ __GLXcontext base;
+ __DRIcontext *driContext;
+ XID hwContextID;
+};
+
+struct __GLXDRIdrawable {
+ __GLXdrawable base;
+ __DRIdrawable *driDrawable;
+
+ /* Pulled in from old __GLXpixmap */
+#ifdef __DRI_TEX_OFFSET
+ GLint texname;
+ __GLXDRIcontext *ctx;
+ unsigned long long offset;
+ DamagePtr pDamage;
+#endif
+};
+
+static void
+__glXDRIleaveServer(GLboolean rendering)
+{
+ int i;
+
+ for (i = 0; rendering && i < screenInfo.numScreens; i++) {
+ __GLXDRIscreen * const screen =
+ (__GLXDRIscreen *) glxGetScreen(screenInfo.screens[i]);
+ GLuint lastOverride = screen->lastTexOffsetOverride;
+
+ if (lastOverride) {
+ __GLXDRIdrawable **texOffsetOverride = screen->texOffsetOverride;
+ int j;
+
+ for (j = 0; j < lastOverride; j++) {
+ __GLXDRIdrawable *pGlxPix = texOffsetOverride[j];
+
+ if (pGlxPix && pGlxPix->texname) {
+ pGlxPix->offset =
+ screen->texOffsetStart((PixmapPtr)pGlxPix->base.pDraw);
+ }
+ }
+ }
+ }
+
+ DRIBlockHandler(NULL, NULL, NULL);
+
+ for (i = 0; rendering && i < screenInfo.numScreens; i++) {
+ __GLXDRIscreen * const screen =
+ (__GLXDRIscreen *) glxGetScreen(screenInfo.screens[i]);
+ GLuint lastOverride = screen->lastTexOffsetOverride;
+
+ if (lastOverride) {
+ __GLXDRIdrawable **texOffsetOverride = screen->texOffsetOverride;
+ int j;
+
+ for (j = 0; j < lastOverride; j++) {
+ __GLXDRIdrawable *pGlxPix = texOffsetOverride[j];
+
+ if (pGlxPix && pGlxPix->texname) {
+ screen->texOffset->setTexOffset(pGlxPix->ctx->driContext,
+ pGlxPix->texname,
+ pGlxPix->offset,
+ pGlxPix->base.pDraw->depth,
+ ((PixmapPtr)pGlxPix->base.pDraw)->devKind);
+ }
+ }
+ }
+ }
+}
+
+static void
+__glXDRIenterServer(GLboolean rendering)
+{
+ int i;
+
+ for (i = 0; rendering && i < screenInfo.numScreens; i++) {
+ __GLXDRIscreen * const screen = (__GLXDRIscreen *)
+ glxGetScreen(screenInfo.screens[i]);
+
+ if (screen->lastTexOffsetOverride) {
+ CALL_Flush(GET_DISPATCH(), ());
+ break;
+ }
+ }
+
+ DRIWakeupHandler(NULL, 0, NULL);
+}
+
+
+static void
+__glXDRIdoReleaseTexImage(__GLXDRIscreen *screen, __GLXDRIdrawable *drawable)
+{
+ GLuint lastOverride = screen->lastTexOffsetOverride;
+
+ if (lastOverride) {
+ __GLXDRIdrawable **texOffsetOverride = screen->texOffsetOverride;
+ int i;
+
+ for (i = 0; i < lastOverride; i++) {
+ if (texOffsetOverride[i] == drawable) {
+ if (screen->texOffsetFinish)
+ screen->texOffsetFinish((PixmapPtr)drawable->base.pDraw);
+
+ texOffsetOverride[i] = NULL;
+
+ if (i + 1 == lastOverride) {
+ lastOverride = 0;
+
+ while (i--) {
+ if (texOffsetOverride[i]) {
+ lastOverride = i + 1;
+ break;
+ }
+ }
+
+ screen->lastTexOffsetOverride = lastOverride;
+
+ break;
+ }
+ }
+ }
+ }
+}
+
+
+static void
+__glXDRIdrawableDestroy(__GLXdrawable *drawable)
+{
+ __GLXDRIdrawable *private = (__GLXDRIdrawable *) drawable;
+ __GLXDRIscreen *screen;
+ int i;
+
+ for (i = 0; i < screenInfo.numScreens; i++) {
+ screen = (__GLXDRIscreen *) glxGetScreen(screenInfo.screens[i]);
+ __glXDRIdoReleaseTexImage(screen, private);
+ }
+
+ /* If the X window was destroyed, the dri DestroyWindow hook will
+ * aready have taken care of this, so only call if pDraw isn't NULL. */
+ if (drawable->pDraw != NULL) {
+ screen = (__GLXDRIscreen *) glxGetScreen(drawable->pDraw->pScreen);
+ (*screen->core->destroyDrawable)(private->driDrawable);
+
+ __glXenterServer(GL_FALSE);
+ DRIDestroyDrawable(drawable->pDraw->pScreen,
+ serverClient, drawable->pDraw);
+ __glXleaveServer(GL_FALSE);
+ }
+
+ __glXDrawableRelease(drawable);
+
+ xfree(private);
+}
+
+static GLboolean
+__glXDRIdrawableSwapBuffers(__GLXdrawable *basePrivate)
+{
+ __GLXDRIdrawable *private = (__GLXDRIdrawable *) basePrivate;
+ __GLXDRIscreen *screen =
+ (__GLXDRIscreen *) glxGetScreen(basePrivate->pDraw->pScreen);
+
+ (*screen->core->swapBuffers)(private->driDrawable);
+
+ return TRUE;
+}
+
+
+static int
+__glXDRIdrawableSwapInterval(__GLXdrawable *baseDrawable, int interval)
+{
+ __GLXDRIdrawable *draw = (__GLXDRIdrawable *) baseDrawable;
+ __GLXDRIscreen *screen =
+ (__GLXDRIscreen *) glxGetScreen(baseDrawable->pDraw->pScreen);
+
+ if (screen->swapControl)
+ screen->swapControl->setSwapInterval(draw->driDrawable, interval);
+
+ return 0;
+}
+
+
+static void
+__glXDRIdrawableCopySubBuffer(__GLXdrawable *basePrivate,
+ int x, int y, int w, int h)
+{
+ __GLXDRIdrawable *private = (__GLXDRIdrawable *) basePrivate;
+ __GLXDRIscreen *screen = (__GLXDRIscreen *)
+ glxGetScreen(basePrivate->pDraw->pScreen);
+
+ if (screen->copySubBuffer)
+ screen->copySubBuffer->copySubBuffer(private->driDrawable, x, y, w, h);
+}
+
+static void
+__glXDRIcontextDestroy(__GLXcontext *baseContext)
+{
+ __GLXDRIcontext *context = (__GLXDRIcontext *) baseContext;
+ __GLXDRIscreen *screen = (__GLXDRIscreen *) context->base.pGlxScreen;
+ Bool retval;
+
+ screen->core->destroyContext(context->driContext);
+
+ __glXenterServer(GL_FALSE);
+ retval = DRIDestroyContext(baseContext->pGlxScreen->pScreen,
+ context->hwContextID);
+ __glXleaveServer(GL_FALSE);
+
+ __glXContextDestroy(&context->base);
+ xfree(context);
+}
+
+static int
+__glXDRIcontextMakeCurrent(__GLXcontext *baseContext)
+{
+ __GLXDRIcontext *context = (__GLXDRIcontext *) baseContext;
+ __GLXDRIscreen *screen = (__GLXDRIscreen *) context->base.pGlxScreen;
+ __GLXDRIdrawable *draw = (__GLXDRIdrawable *) baseContext->drawPriv;
+ __GLXDRIdrawable *read = (__GLXDRIdrawable *) baseContext->readPriv;
+
+ return (*screen->core->bindContext)(context->driContext,
+ draw->driDrawable,
+ read->driDrawable);
+}
+
+static int
+__glXDRIcontextLoseCurrent(__GLXcontext *baseContext)
+{
+ __GLXDRIcontext *context = (__GLXDRIcontext *) baseContext;
+ __GLXDRIscreen *screen = (__GLXDRIscreen *) context->base.pGlxScreen;
+
+ return (*screen->core->unbindContext)(context->driContext);
+}
+
+static int
+__glXDRIcontextCopy(__GLXcontext *baseDst, __GLXcontext *baseSrc,
+ unsigned long mask)
+{
+ __GLXDRIcontext *dst = (__GLXDRIcontext *) baseDst;
+ __GLXDRIcontext *src = (__GLXDRIcontext *) baseSrc;
+ __GLXDRIscreen *screen = (__GLXDRIscreen *) dst->base.pGlxScreen;
+
+ return (*screen->core->copyContext)(dst->driContext,
+ src->driContext, mask);
+}
+
+static int
+__glXDRIcontextForceCurrent(__GLXcontext *baseContext)
+{
+ __GLXDRIcontext *context = (__GLXDRIcontext *) baseContext;
+ __GLXDRIdrawable *draw = (__GLXDRIdrawable *) baseContext->drawPriv;
+ __GLXDRIdrawable *read = (__GLXDRIdrawable *) baseContext->readPriv;
+ __GLXDRIscreen *screen = (__GLXDRIscreen *) context->base.pGlxScreen;
+
+ return (*screen->core->bindContext)(context->driContext,
+ draw->driDrawable,
+ read->driDrawable);
+}
+
+static void
+glxFillAlphaChannel (CARD32 *pixels, CARD32 rowstride, int width, int height)
+{
+ int i;
+ CARD32 *p, *end;
+
+ rowstride /= 4;
+
+ for (i = 0; i < height; i++)
+ {
+ p = pixels;
+ end = p + width;
+ while (p < end)
+ *p++ |= 0xFF000000;
+ pixels += rowstride;
+ }
+}
+
+static Bool
+testTexOffset(__GLXDRIscreen * const screen, PixmapPtr pPixmap)
+{
+ Bool ret;
+
+ if (!screen->texOffsetStart || !screen->texOffset)
+ return FALSE;
+
+ __glXenterServer(GL_FALSE);
+ ret = screen->texOffsetStart(pPixmap) != ~0ULL;
+ __glXleaveServer(GL_FALSE);
+
+ return ret;
+}
+
+/*
+ * (sticking this here for lack of a better place)
+ * Known issues with the GLX_EXT_texture_from_pixmap implementation:
+ * - In general we ignore the fbconfig, lots of examples follow
+ * - No fbconfig handling for multiple mipmap levels
+ * - No fbconfig handling for 1D textures
+ * - No fbconfig handling for TEXTURE_TARGET
+ * - No fbconfig exposure of Y inversion state
+ * - No GenerateMipmapEXT support (due to no FBO support)
+ * - No support for anything but 16bpp and 32bpp-sparse pixmaps
+ */
+
+static int
+__glXDRIbindTexImage(__GLXcontext *baseContext,
+ int buffer,
+ __GLXdrawable *glxPixmap)
+{
+ RegionPtr pRegion = NULL;
+ PixmapPtr pixmap;
+ int bpp, override = 0, texname;
+ GLenum format, type;
+ ScreenPtr pScreen = glxPixmap->pDraw->pScreen;
+ __GLXDRIdrawable *driDraw = (__GLXDRIdrawable *) glxPixmap;
+ __GLXDRIscreen * const screen = (__GLXDRIscreen *) glxGetScreen(pScreen);
+
+ CALL_GetIntegerv(GET_DISPATCH(), (glxPixmap->target == GL_TEXTURE_2D ?
+ GL_TEXTURE_BINDING_2D :
+ GL_TEXTURE_BINDING_RECTANGLE_NV,
+ &texname));
+
+ if (!texname)
+ return __glXError(GLXBadContextState);
+
+ pixmap = (PixmapPtr) glxPixmap->pDraw;
+
+ if (testTexOffset(screen, pixmap)) {
+ __GLXDRIdrawable **texOffsetOverride = screen->texOffsetOverride;
+ int i, firstEmpty = 16;
+
+ for (i = 0; i < 16; i++) {
+ if (texOffsetOverride[i] == driDraw)
+ goto alreadyin;
+
+ if (firstEmpty == 16 && !texOffsetOverride[i])
+ firstEmpty = i;
+ }
+
+ if (firstEmpty == 16) {
+ ErrorF("%s: Failed to register texture offset override\n", __func__);
+ goto nooverride;
+ }
+
+ if (firstEmpty >= screen->lastTexOffsetOverride)
+ screen->lastTexOffsetOverride = firstEmpty + 1;
+
+ texOffsetOverride[firstEmpty] = driDraw;
+
+alreadyin:
+ override = 1;
+
+ driDraw->ctx = (__GLXDRIcontext*)baseContext;
+
+ if (texname == driDraw->texname)
+ return Success;
+
+ driDraw->texname = texname;
+
+ screen->texOffset->setTexOffset(driDraw->ctx->driContext, texname, 0,
+ pixmap->drawable.depth,
+ pixmap->devKind);
+ }
+nooverride:
+
+ if (!driDraw->pDamage) {
+ if (!override) {
+ driDraw->pDamage = DamageCreate(NULL, NULL, DamageReportNone,
+ TRUE, pScreen, NULL);
+ if (!driDraw->pDamage)
+ return BadAlloc;
+
+ DamageRegister ((DrawablePtr) pixmap, driDraw->pDamage);
+ }
+
+ pRegion = NULL;
+ } else {
+ pRegion = DamageRegion(driDraw->pDamage);
+ if (REGION_NIL(pRegion))
+ return Success;
+ }
+
+ /* XXX 24bpp packed, 8, etc */
+ if (pixmap->drawable.depth >= 24) {
+ bpp = 4;
+ format = GL_BGRA;
+ type =
+#if X_BYTE_ORDER == X_BIG_ENDIAN
+ !override ? GL_UNSIGNED_INT_8_8_8_8_REV :
+#endif
+ GL_UNSIGNED_BYTE;
+ } else {
+ bpp = 2;
+ format = GL_RGB;
+ type = GL_UNSIGNED_SHORT_5_6_5;
+ }
+
+ if (pRegion == NULL)
+ {
+ void *data = NULL;
+
+ if (!override) {
+ unsigned pitch = PixmapBytePad(pixmap->drawable.width,
+ pixmap->drawable.depth);
+
+ data = xalloc(pitch * pixmap->drawable.height);
+
+ __glXenterServer(GL_FALSE);
+ pScreen->GetImage(&pixmap->drawable, 0 /*pixmap->drawable.x*/,
+ 0 /*pixmap->drawable.y*/, pixmap->drawable.width,
+ pixmap->drawable.height, ZPixmap, ~0, data);
+ __glXleaveServer(GL_FALSE);
+
+ if (pixmap->drawable.depth == 24)
+ glxFillAlphaChannel(data,
+ pitch,
+ pixmap->drawable.width,
+ pixmap->drawable.height);
+
+ CALL_PixelStorei( GET_DISPATCH(), (GL_UNPACK_ROW_LENGTH,
+ pitch / bpp) );
+ CALL_PixelStorei( GET_DISPATCH(), (GL_UNPACK_SKIP_PIXELS, 0) );
+ CALL_PixelStorei( GET_DISPATCH(), (GL_UNPACK_SKIP_ROWS, 0) );
+ }
+
+ CALL_TexImage2D( GET_DISPATCH(),
+ (glxPixmap->target,
+ 0,
+ bpp == 4 ? 4 : 3,
+ pixmap->drawable.width,
+ pixmap->drawable.height,
+ 0,
+ format,
+ type,
+ data) );
+
+ xfree(data);
+ } else if (!override) {
+ int i, numRects;
+ BoxPtr p;
+
+ numRects = REGION_NUM_RECTS (pRegion);
+ p = REGION_RECTS (pRegion);
+
+ CALL_PixelStorei( GET_DISPATCH(), (GL_UNPACK_SKIP_PIXELS, 0) );
+ CALL_PixelStorei( GET_DISPATCH(), (GL_UNPACK_SKIP_ROWS, 0) );
+
+ for (i = 0; i < numRects; i++)
+ {
+ unsigned pitch = PixmapBytePad(p[i].x2 - p[i].x1,
+ pixmap->drawable.depth);
+ void *data = xalloc(pitch * (p[i].y2 - p[i].y1));
+
+ __glXenterServer(GL_FALSE);
+ pScreen->GetImage(&pixmap->drawable, /*pixmap->drawable.x +*/ p[i].x1,
+ /*pixmap->drawable.y*/ + p[i].y1, p[i].x2 - p[i].x1,
+ p[i].y2 - p[i].y1, ZPixmap, ~0, data);
+ __glXleaveServer(GL_FALSE);
+
+ if (pixmap->drawable.depth == 24)
+ glxFillAlphaChannel(data,
+ pitch,
+ p[i].x2 - p[i].x1,
+ p[i].y2 - p[i].y1);
+
+ CALL_PixelStorei( GET_DISPATCH(), (GL_UNPACK_ROW_LENGTH,
+ pitch / bpp) );
+
+ CALL_TexSubImage2D( GET_DISPATCH(),
+ (glxPixmap->target,
+ 0,
+ p[i].x1, p[i].y1,
+ p[i].x2 - p[i].x1, p[i].y2 - p[i].y1,
+ format,
+ type,
+ data) );
+
+ xfree(data);
+ }
+ }
+
+ if (!override)
+ DamageEmpty(driDraw->pDamage);
+
+ return Success;
+}
+
+static int
+__glXDRIreleaseTexImage(__GLXcontext *baseContext,
+ int buffer,
+ __GLXdrawable *pixmap)
+{
+ __GLXDRIscreen *screen =
+ (__GLXDRIscreen *) glxGetScreen(pixmap->pDraw->pScreen);
+ __GLXDRIdrawable *drawable = (__GLXDRIdrawable *) pixmap;
+
+ __glXDRIdoReleaseTexImage(screen, drawable);
+
+ return Success;
+}
+
+static __GLXtextureFromPixmap __glXDRItextureFromPixmap = {
+ __glXDRIbindTexImage,
+ __glXDRIreleaseTexImage
+};
+
+static void
+__glXDRIscreenDestroy(__GLXscreen *baseScreen)
+{
+ __GLXDRIscreen *screen = (__GLXDRIscreen *) baseScreen;
+
+ screen->core->destroyScreen(screen->driScreen);
+
+ dlclose(screen->driver);
+
+ __glXScreenDestroy(baseScreen);
+
+ xfree(screen);
+}
+
+static __GLXcontext *
+__glXDRIscreenCreateContext(__GLXscreen *baseScreen,
+ __GLXconfig *glxConfig,
+ __GLXcontext *baseShareContext)
+{
+ __GLXDRIscreen *screen = (__GLXDRIscreen *) baseScreen;
+ __GLXDRIcontext *context, *shareContext;
+ __GLXDRIconfig *config = (__GLXDRIconfig *) glxConfig;
+ VisualPtr visual;
+ int i;
+ GLboolean retval;
+ __DRIcontext *driShare;
+ drm_context_t hwContext;
+ ScreenPtr pScreen = baseScreen->pScreen;
+
+ shareContext = (__GLXDRIcontext *) baseShareContext;
+ if (shareContext)
+ driShare = shareContext->driContext;
+ else
+ driShare = NULL;
+
+ if (baseShareContext && baseShareContext->isDirect)
+ return NULL;
+
+ context = xcalloc(1, sizeof *context);
+ if (context == NULL)
+ return NULL;
+
+ context->base.destroy = __glXDRIcontextDestroy;
+ context->base.makeCurrent = __glXDRIcontextMakeCurrent;
+ context->base.loseCurrent = __glXDRIcontextLoseCurrent;
+ context->base.copy = __glXDRIcontextCopy;
+ context->base.forceCurrent = __glXDRIcontextForceCurrent;
+
+ context->base.textureFromPixmap = &__glXDRItextureFromPixmap;
+ /* Find the requested X visual */
+ visual = pScreen->visuals;
+ for (i = 0; i < pScreen->numVisuals; i++, visual++)
+ if (visual->vid == glxConfig->visualID)
+ break;
+ if (i == pScreen->numVisuals)
+ return NULL;
+
+ context->hwContextID = FakeClientID(0);
+
+ __glXenterServer(GL_FALSE);
+ retval = DRICreateContext(baseScreen->pScreen, visual,
+ context->hwContextID, &hwContext);
+ __glXleaveServer(GL_FALSE);
+
+ if (!retval)
+ return NULL;
+
+ context->driContext =
+ screen->legacy->createNewContext(screen->driScreen,
+ config->driConfig,
+ 0, /* render type */
+ driShare,
+ hwContext,
+ context);
+
+ if (context->driContext == NULL) {
+ __glXenterServer(GL_FALSE);
+ retval = DRIDestroyContext(baseScreen->pScreen, context->hwContextID);
+ __glXleaveServer(GL_FALSE);
+ xfree(context);
+ return NULL;
+ }
+
+ return &context->base;
+}
+
+static __GLXdrawable *
+__glXDRIscreenCreateDrawable(__GLXscreen *screen,
+ DrawablePtr pDraw,
+ int type,
+ XID drawId,
+ __GLXconfig *glxConfig)
+{
+ __GLXDRIscreen *driScreen = (__GLXDRIscreen *) screen;
+ __GLXDRIconfig *config = (__GLXDRIconfig *) glxConfig;
+ __GLXDRIdrawable *private;
+ GLboolean retval;
+ drm_drawable_t hwDrawable;
+
+ private = xcalloc(1, sizeof *private);
+ if (private == NULL)
+ return NULL;
+
+ if (!__glXDrawableInit(&private->base, screen,
+ pDraw, type, drawId, glxConfig)) {
+ xfree(private);
+ return NULL;
+ }
+
+ private->base.destroy = __glXDRIdrawableDestroy;
+ private->base.swapBuffers = __glXDRIdrawableSwapBuffers;
+ private->base.copySubBuffer = __glXDRIdrawableCopySubBuffer;
+ private->base.waitX = NULL;
+ private->base.waitGL = NULL;
+
+ __glXenterServer(GL_FALSE);
+ retval = DRICreateDrawable(screen->pScreen, serverClient,
+ pDraw, &hwDrawable);
+ __glXleaveServer(GL_FALSE);
+
+ if (!retval) {
+ xfree(private);
+ return NULL;
+ }
+
+ /* The last argument is 'attrs', which is used with pbuffers which
+ * we currently don't support. */
+
+ private->driDrawable =
+ (driScreen->legacy->createNewDrawable)(driScreen->driScreen,
+ config->driConfig,
+ hwDrawable, 0, NULL, private);
+
+ if (private->driDrawable == NULL) {
+ __glXenterServer(GL_FALSE);
+ DRIDestroyDrawable(screen->pScreen, serverClient, pDraw);
+ __glXleaveServer(GL_FALSE);
+ xfree(private);
+ return NULL;
+ }
+
+ return &private->base;
+}
+
+static GLboolean
+getDrawableInfo(__DRIdrawable *driDrawable,
+ unsigned int *index, unsigned int *stamp,
+ int *x, int *y, int *width, int *height,
+ int *numClipRects, drm_clip_rect_t **ppClipRects,
+ int *backX, int *backY,
+ int *numBackClipRects, drm_clip_rect_t **ppBackClipRects,
+ void *data)
+{
+ __GLXDRIdrawable *drawable = data;
+ ScreenPtr pScreen;
+ drm_clip_rect_t *pClipRects, *pBackClipRects;
+ GLboolean retval;
+ size_t size;
+
+ /* If the X window has been destroyed, give up here. */
+ if (drawable->base.pDraw == NULL)
+ return GL_FALSE;
+
+ pScreen = drawable->base.pDraw->pScreen;
+ __glXenterServer(GL_FALSE);
+ retval = DRIGetDrawableInfo(pScreen, drawable->base.pDraw, index, stamp,
+ x, y, width, height,
+ numClipRects, &pClipRects,
+ backX, backY,
+ numBackClipRects, &pBackClipRects);
+ __glXleaveServer(GL_FALSE);
+
+ if (retval && *numClipRects > 0) {
+ size = sizeof (drm_clip_rect_t) * *numClipRects;
+ *ppClipRects = xalloc (size);
+
+ /* Clip cliprects to screen dimensions (redirected windows) */
+ if (*ppClipRects != NULL) {
+ int i, j;
+
+ for (i = 0, j = 0; i < *numClipRects; i++) {
+ (*ppClipRects)[j].x1 = max(pClipRects[i].x1, 0);
+ (*ppClipRects)[j].y1 = max(pClipRects[i].y1, 0);
+ (*ppClipRects)[j].x2 = min(pClipRects[i].x2, pScreen->width);
+ (*ppClipRects)[j].y2 = min(pClipRects[i].y2, pScreen->height);
+
+ if ((*ppClipRects)[j].x1 < (*ppClipRects)[j].x2 &&
+ (*ppClipRects)[j].y1 < (*ppClipRects)[j].y2) {
+ j++;
+ }
+ }
+
+ if (*numClipRects != j) {
+ *numClipRects = j;
+ *ppClipRects = xrealloc (*ppClipRects,
+ sizeof (drm_clip_rect_t) *
+ *numClipRects);
+ }
+ } else
+ *numClipRects = 0;
+ }
+ else {
+ *ppClipRects = NULL;
+ *numClipRects = 0;
+ }
+
+ if (retval && *numBackClipRects > 0) {
+ size = sizeof (drm_clip_rect_t) * *numBackClipRects;
+ *ppBackClipRects = xalloc (size);
+ if (*ppBackClipRects != NULL)
+ memcpy (*ppBackClipRects, pBackClipRects, size);
+ else
+ *numBackClipRects = 0;
+ }
+ else {
+ *ppBackClipRects = NULL;
+ *numBackClipRects = 0;
+ }
+
+ return retval;
+}
+
+static void __glXReportDamage(__DRIdrawable *driDraw,
+ int x, int y,
+ drm_clip_rect_t *rects, int num_rects,
+ GLboolean front_buffer,
+ void *data)
+{
+ __GLXDRIdrawable *drawable = data;
+ DrawablePtr pDraw = drawable->base.pDraw;
+ RegionRec region;
+
+ __glXenterServer(GL_FALSE);
+
+ REGION_INIT(pDraw->pScreen, ®ion, (BoxPtr) rects, num_rects);
+ REGION_TRANSLATE(pScreen, ®ion, pDraw->x, pDraw->y);
+ DamageRegionAppend(pDraw, ®ion);
+ /* This is wrong, this needs a seperate function. */
+ DamageRegionProcessPending(pDraw);
+ REGION_UNINIT(pDraw->pScreen, ®ion);
+
+ __glXleaveServer(GL_FALSE);
+}
+
+static const __DRIgetDrawableInfoExtension getDrawableInfoExtension = {
+ { __DRI_GET_DRAWABLE_INFO, __DRI_GET_DRAWABLE_INFO_VERSION },
+ getDrawableInfo
+};
+
+static const __DRIdamageExtension damageExtension = {
+ { __DRI_DAMAGE, __DRI_DAMAGE_VERSION },
+ __glXReportDamage,
+};
+
+static const __DRIextension *loader_extensions[] = {
+ &systemTimeExtension.base,
+ &getDrawableInfoExtension.base,
+ &damageExtension.base,
+ NULL
+};
+
+
+
+static const char dri_driver_path[] = DRI_DRIVER_PATH;
+
+static Bool
+glxDRIEnterVT (int index, int flags)
+{
+ __GLXDRIscreen *screen = (__GLXDRIscreen *)
+ glxGetScreen(screenInfo.screens[index]);
+
+ LogMessage(X_INFO, "AIGLX: Resuming AIGLX clients after VT switch\n");
+
+ if (!(*screen->enterVT) (index, flags))
+ return FALSE;
+
+ glxResumeClients();
+
+ return TRUE;
+}
+
+static void
+glxDRILeaveVT (int index, int flags)
+{
+ __GLXDRIscreen *screen = (__GLXDRIscreen *)
+ glxGetScreen(screenInfo.screens[index]);
+
+ LogMessage(X_INFO, "AIGLX: Suspending AIGLX clients for VT switch\n");
+
+ glxSuspendClients();
+
+ return (*screen->leaveVT) (index, flags);
+}
+
+static void
+initializeExtensions(__GLXDRIscreen *screen)
+{
+ const __DRIextension **extensions;
+ int i;
+
+ extensions = screen->core->getExtensions(screen->driScreen);
+
+ for (i = 0; extensions[i]; i++) {
+#ifdef __DRI_READ_DRAWABLE
+ if (strcmp(extensions[i]->name, __DRI_READ_DRAWABLE) == 0) {
+ __glXEnableExtension(screen->glx_enable_bits,
+ "GLX_SGI_make_current_read");
+
+ LogMessage(X_INFO, "AIGLX: enabled GLX_SGI_make_current_read\n");
+ }
+#endif
+
+#ifdef __DRI_COPY_SUB_BUFFER
+ if (strcmp(extensions[i]->name, __DRI_COPY_SUB_BUFFER) == 0) {
+ screen->copySubBuffer = (__DRIcopySubBufferExtension *) extensions[i];
+ __glXEnableExtension(screen->glx_enable_bits,
+ "GLX_MESA_copy_sub_buffer");
+
+ LogMessage(X_INFO, "AIGLX: enabled GLX_MESA_copy_sub_buffer\n");
+ }
+#endif
+
+#ifdef __DRI_SWAP_CONTROL
+ if (strcmp(extensions[i]->name, __DRI_SWAP_CONTROL) == 0) {
+ screen->swapControl = (__DRIswapControlExtension *) extensions[i];
+ __glXEnableExtension(screen->glx_enable_bits,
+ "GLX_SGI_swap_control");
+ __glXEnableExtension(screen->glx_enable_bits,
+ "GLX_MESA_swap_control");
+
+ LogMessage(X_INFO, "AIGLX: enabled GLX_SGI_swap_control and GLX_MESA_swap_control\n");
+ }
+#endif
+
+#ifdef __DRI_TEX_OFFSET
+ if (strcmp(extensions[i]->name, __DRI_TEX_OFFSET) == 0) {
+ screen->texOffset = (__DRItexOffsetExtension *) extensions[i];
+ LogMessage(X_INFO, "AIGLX: enabled GLX_texture_from_pixmap with driver support\n");
+ }
+#endif
+ /* Ignore unknown extensions */
+ }
+}
+
+extern __GLXconfig *
+glxConvertConfigs(const __DRIcoreExtension *core, const __DRIconfig **configs);
+
+static __GLXscreen *
+__glXDRIscreenProbe(ScreenPtr pScreen)
+{
+ drm_handle_t hSAREA;
+ drmAddress pSAREA = NULL;
+ char *BusID;
+ __DRIversion ddx_version;
+ __DRIversion dri_version;
+ __DRIversion drm_version;
+ __DRIframebuffer framebuffer;
+ int fd = -1;
+ int status;
+ drm_magic_t magic;
+ drmVersionPtr version;
+ int newlyopened;
+ char *driverName;
+ drm_handle_t hFB;
+ int junk;
+ __GLXDRIscreen *screen;
+ char filename[128];
+ Bool isCapable;
+ size_t buffer_size;
+ ScrnInfoPtr pScrn = xf86Screens[pScreen->myNum];
+ const __DRIconfig **driConfigs;
+ const __DRIextension **extensions;
+ int i;
+
+ if (!xf86LoaderCheckSymbol("DRIQueryDirectRenderingCapable") ||
+ !DRIQueryDirectRenderingCapable(pScreen, &isCapable) ||
+ !isCapable) {
+ LogMessage(X_INFO,
+ "AIGLX: Screen %d is not DRI capable\n", pScreen->myNum);
+ return NULL;
+ }
+
+ screen = xcalloc(1, sizeof *screen);
+ if (screen == NULL)
+ return NULL;
+
+ screen->base.destroy = __glXDRIscreenDestroy;
+ screen->base.createContext = __glXDRIscreenCreateContext;
+ screen->base.createDrawable = __glXDRIscreenCreateDrawable;
+ screen->base.swapInterval = __glXDRIdrawableSwapInterval;
+ screen->base.pScreen = pScreen;
+
+ __glXInitExtensionEnableBits(screen->glx_enable_bits);
+
+ /* DRI protocol version. */
+ dri_version.major = XF86DRI_MAJOR_VERSION;
+ dri_version.minor = XF86DRI_MINOR_VERSION;
+ dri_version.patch = XF86DRI_PATCH_VERSION;
+
+ if (!DRIOpenConnection(pScreen, &hSAREA, &BusID)) {
+ LogMessage(X_ERROR, "AIGLX error: DRIOpenConnection failed\n");
+ goto handle_error;
+ }
+
+ fd = drmOpenOnce(NULL, BusID, &newlyopened);
+
+ if (fd < 0) {
+ LogMessage(X_ERROR, "AIGLX error: drmOpenOnce failed (%s)\n",
+ strerror(-fd));
+ goto handle_error;
+ }
+
+ if (drmGetMagic(fd, &magic)) {
+ LogMessage(X_ERROR, "AIGLX error: drmGetMagic failed\n");
+ goto handle_error;
+ }
+
+ version = drmGetVersion(fd);
+ if (version) {
+ drm_version.major = version->version_major;
+ drm_version.minor = version->version_minor;
+ drm_version.patch = version->version_patchlevel;
+ drmFreeVersion(version);
+ }
+ else {
+ drm_version.major = -1;
+ drm_version.minor = -1;
+ drm_version.patch = -1;
+ }
+
+ if (newlyopened && !DRIAuthConnection(pScreen, magic)) {
+ LogMessage(X_ERROR, "AIGLX error: DRIAuthConnection failed\n");
+ goto handle_error;
+ }
+
+ /* Get device name (like "tdfx") and the ddx version numbers.
+ * We'll check the version in each DRI driver's "createNewScreen"
+ * function. */
+ if (!DRIGetClientDriverName(pScreen,
+ &ddx_version.major,
+ &ddx_version.minor,
+ &ddx_version.patch,
+ &driverName)) {
+ LogMessage(X_ERROR, "AIGLX error: DRIGetClientDriverName failed\n");
+ goto handle_error;
+ }
+
+ snprintf(filename, sizeof filename, "%s/%s_dri.so",
+ dri_driver_path, driverName);
+
+ screen->driver = dlopen(filename, RTLD_LAZY | RTLD_LOCAL);
+ if (screen->driver == NULL) {
+ LogMessage(X_ERROR, "AIGLX error: dlopen of %s failed (%s)\n",
+ filename, dlerror());
+ goto handle_error;
+ }
+
+ extensions = dlsym(screen->driver, __DRI_DRIVER_EXTENSIONS);
+ if (extensions == NULL) {
+ LogMessage(X_ERROR, "AIGLX error: %s exports no extensions (%s)\n",
+ driverName, dlerror());
+ goto handle_error;
+ }
+
+ for (i = 0; extensions[i]; i++) {
+ if (strcmp(extensions[i]->name, __DRI_CORE) == 0 &&
+ extensions[i]->version >= __DRI_CORE_VERSION) {
+ screen->core = (__DRIcoreExtension *) extensions[i];
+ }
+
+ if (strcmp(extensions[i]->name, __DRI_LEGACY) == 0 &&
+ extensions[i]->version >= __DRI_LEGACY_VERSION) {
+ screen->legacy = (__DRIlegacyExtension *) extensions[i];
+ }
+ }
+
+ if (screen->core == NULL || screen->legacy == NULL) {
+ LogMessage(X_ERROR,
+ "AIGLX error: %s does not export required DRI extension\n",
+ driverName);
+ goto handle_error;
+ }
+
+ /*
+ * Get device-specific info. pDevPriv will point to a struct
+ * (such as DRIRADEONRec in xfree86/driver/ati/radeon_dri.h) that
+ * has information about the screen size, depth, pitch, ancilliary
+ * buffers, DRM mmap handles, etc.
+ */
+ if (!DRIGetDeviceInfo(pScreen, &hFB, &junk,
+ &framebuffer.size, &framebuffer.stride,
+ &framebuffer.dev_priv_size, &framebuffer.dev_priv)) {
+ LogMessage(X_ERROR, "AIGLX error: XF86DRIGetDeviceInfo failed\n");
+ goto handle_error;
+ }
+
+ framebuffer.width = pScreen->width;
+ framebuffer.height = pScreen->height;
+
+ /* Map the framebuffer region. */
+ status = drmMap(fd, hFB, framebuffer.size,
+ (drmAddressPtr)&framebuffer.base);
+ if (status != 0) {
+ LogMessage(X_ERROR, "AIGLX error: drmMap of framebuffer failed (%s)\n",
+ strerror(-status));
+ goto handle_error;
+ }
+
+ /* Map the SAREA region. Further mmap regions may be setup in
+ * each DRI driver's "createNewScreen" function.
+ */
+ status = drmMap(fd, hSAREA, SAREA_MAX, &pSAREA);
+ if (status != 0) {
+ LogMessage(X_ERROR, "AIGLX error: drmMap of SAREA failed (%s)\n",
+ strerror(-status));
+ goto handle_error;
+ }
+
+ screen->driScreen =
+ (*screen->legacy->createNewScreen)(pScreen->myNum,
+ &ddx_version,
+ &dri_version,
+ &drm_version,
+ &framebuffer,
+ pSAREA,
+ fd,
+ loader_extensions,
+ &driConfigs,
+ screen);
+
+ if (screen->driScreen == NULL) {
+ LogMessage(X_ERROR,
+ "AIGLX error: Calling driver entry point failed\n");
+ goto handle_error;
+ }
+
+ screen->base.fbconfigs = glxConvertConfigs(screen->core, driConfigs);
+
+ initializeExtensions(screen);
+
+ DRIGetTexOffsetFuncs(pScreen, &screen->texOffsetStart,
+ &screen->texOffsetFinish);
+
+ __glXScreenInit(&screen->base, pScreen);
+
+ /* The first call simply determines the length of the extension string.
+ * This allows us to allocate some memory to hold the extension string,
+ * but it requires that we call __glXGetExtensionString a second time.
+ */
+ buffer_size = __glXGetExtensionString(screen->glx_enable_bits, NULL);
+ if (buffer_size > 0) {
+ if (screen->base.GLXextensions != NULL) {
+ xfree(screen->base.GLXextensions);
+ }
+
+ screen->base.GLXextensions = xnfalloc(buffer_size);
+ (void) __glXGetExtensionString(screen->glx_enable_bits,
+ screen->base.GLXextensions);
+ }
+
+ __glXsetEnterLeaveServerFuncs(__glXDRIenterServer, __glXDRIleaveServer);
+
+ screen->enterVT = pScrn->EnterVT;
+ pScrn->EnterVT = glxDRIEnterVT;
+ screen->leaveVT = pScrn->LeaveVT;
+ pScrn->LeaveVT = glxDRILeaveVT;
+
+ LogMessage(X_INFO,
+ "AIGLX: Loaded and initialized %s\n", filename);
+
+ return &screen->base;
+
+ handle_error:
+ if (pSAREA != NULL)
+ drmUnmap(pSAREA, SAREA_MAX);
+
+ if (framebuffer.base != NULL)
+ drmUnmap((drmAddress)framebuffer.base, framebuffer.size);
+
+ if (fd >= 0)
+ drmCloseOnce(fd);
+
+ DRICloseConnection(pScreen);
+
+ if (screen->driver)
+ dlclose(screen->driver);
+
+ xfree(screen);
+
+ LogMessage(X_ERROR, "AIGLX: reverting to software rendering\n");
+
+ return NULL;
+}
+
+_X_EXPORT __GLXprovider __glXDRIProvider = {
+ __glXDRIscreenProbe,
+ "DRI",
+ NULL
+};
diff --git a/xorg-server/glx/glxdricommon.c b/xorg-server/glx/glxdricommon.c index faaa3b7ae..028c77842 100644 --- a/xorg-server/glx/glxdricommon.c +++ b/xorg-server/glx/glxdricommon.c @@ -25,6 +25,10 @@ #ifdef HAVE_DIX_CONFIG_H #include <dix-config.h> +#else + +#include "glheader.h" + #endif #include <stdint.h> @@ -47,12 +51,16 @@ getUST(int64_t *ust) if (ust == NULL) return -EFAULT; +#ifdef _MSC_VER + __asm int 3; +#else if (gettimeofday(&tv, NULL) == 0) { ust[0] = (tv.tv_sec * 1000000) + tv.tv_usec; return 0; } else { return -errno; } + #endif } const __DRIsystemTimeExtension systemTimeExtension = { diff --git a/xorg-server/glx/glxdriswrast.c b/xorg-server/glx/glxdriswrast.c index 44f658fa9..1bc385b86 100644 --- a/xorg-server/glx/glxdriswrast.c +++ b/xorg-server/glx/glxdriswrast.c @@ -26,6 +26,10 @@ #ifdef HAVE_DIX_CONFIG_H #include <dix-config.h> +#else + +#include "glheader.h" + #endif #include <stdint.h> @@ -62,6 +66,10 @@ #endif #endif +#ifdef _MSC_VER +#define dlerror() "Getting loadlibrary error string not implemented" +#endif + typedef struct __GLXDRIscreen __GLXDRIscreen; typedef struct __GLXDRIcontext __GLXDRIcontext; typedef struct __GLXDRIdrawable __GLXDRIdrawable; @@ -250,7 +258,11 @@ __glXDRIscreenDestroy(__GLXscreen *baseScreen) (*screen->core->destroyScreen)(screen->driScreen); +#ifdef _MSC_VER + FreeLibrary(screen->driver); +#else dlclose(screen->driver); +#endif __glXScreenDestroy(baseScreen); @@ -458,17 +470,28 @@ __glXDRIscreenProbe(ScreenPtr pScreen) screen->base.swapInterval = NULL; screen->base.pScreen = pScreen; +#ifdef _MSC_VER + snprintf(filename, sizeof filename, + "%s%s_dri.dll", dri_driver_path, driverName); + + screen->driver = LoadLibrary(filename); +#else snprintf(filename, sizeof filename, "%s/%s_dri.so", dri_driver_path, driverName); screen->driver = dlopen(filename, RTLD_LAZY | RTLD_LOCAL); +#endif if (screen->driver == NULL) { LogMessage(X_ERROR, "AIGLX error: dlopen of %s failed (%s)\n", filename, dlerror()); goto handle_error; } +#ifdef _MSC_VER + extensions = GetProcAddress(screen->driver, __DRI_DRIVER_EXTENSIONS); +#else extensions = dlsym(screen->driver, __DRI_DRIVER_EXTENSIONS); +#endif if (extensions == NULL) { LogMessage(X_ERROR, "AIGLX error: %s exports no extensions (%s)\n", driverName, dlerror()); @@ -517,7 +540,11 @@ __glXDRIscreenProbe(ScreenPtr pScreen) handle_error: if (screen->driver) +#ifdef _MSC_VER + FreeLibrary(screen->driver); +#else dlclose(screen->driver); +#endif xfree(screen); diff --git a/xorg-server/glx/glxext.c b/xorg-server/glx/glxext.c index 19d70d495..95f09d296 100644 --- a/xorg-server/glx/glxext.c +++ b/xorg-server/glx/glxext.c @@ -30,6 +30,10 @@ #ifdef HAVE_DIX_CONFIG_H #include <dix-config.h> +#else + +#include "glheader.h" + #endif #include <string.h> diff --git a/xorg-server/glx/glxscreens.c b/xorg-server/glx/glxscreens.c index 7d29d31de..c6f5700d5 100644 --- a/xorg-server/glx/glxscreens.c +++ b/xorg-server/glx/glxscreens.c @@ -1,460 +1,464 @@ -/* - * SGI FREE SOFTWARE LICENSE B (Version 2.0, Sept. 18, 2008) - * Copyright (C) 1991-2000 Silicon Graphics, Inc. All Rights Reserved. - * - * Permission is hereby granted, free of charge, to any person obtaining a - * copy of this software and associated documentation files (the "Software"), - * to deal in the Software without restriction, including without limitation - * the rights to use, copy, modify, merge, publish, distribute, sublicense, - * and/or sell copies of the Software, and to permit persons to whom the - * Software is furnished to do so, subject to the following conditions: - * - * The above copyright notice including the dates of first publication and - * either this permission notice or a reference to - * http://oss.sgi.com/projects/FreeB/ - * shall be included in all copies or substantial portions of the Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS - * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, - * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL - * SILICON GRAPHICS, INC. BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, - * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF - * OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE - * SOFTWARE. - * - * Except as contained in this notice, the name of Silicon Graphics, Inc. - * shall not be used in advertising or otherwise to promote the sale, use or - * other dealings in this Software without prior written authorization from - * Silicon Graphics, Inc. - */ - -#ifdef HAVE_DIX_CONFIG_H -#include <dix-config.h> -#endif - -#include <GL/glxtokens.h> -#include <string.h> -#include <windowstr.h> -#include <os.h> -#include <colormapst.h> - -#include "privates.h" -#include "glxserver.h" -#include "glxutil.h" -#include "glxext.h" - -static int glxScreenPrivateKeyIndex; -static DevPrivateKey glxScreenPrivateKey = &glxScreenPrivateKeyIndex; - -const char GLServerVersion[] = "1.4"; -static const char GLServerExtensions[] = - "GL_ARB_depth_texture " - "GL_ARB_draw_buffers " - "GL_ARB_fragment_program " - "GL_ARB_fragment_program_shadow " - "GL_ARB_imaging " - "GL_ARB_multisample " - "GL_ARB_multitexture " - "GL_ARB_occlusion_query " - "GL_ARB_point_parameters " - "GL_ARB_point_sprite " - "GL_ARB_shadow " - "GL_ARB_shadow_ambient " - "GL_ARB_texture_border_clamp " - "GL_ARB_texture_compression " - "GL_ARB_texture_cube_map " - "GL_ARB_texture_env_add " - "GL_ARB_texture_env_combine " - "GL_ARB_texture_env_crossbar " - "GL_ARB_texture_env_dot3 " - "GL_ARB_texture_mirrored_repeat " - "GL_ARB_texture_non_power_of_two " - "GL_ARB_transpose_matrix " - "GL_ARB_vertex_program " - "GL_ARB_window_pos " - "GL_EXT_abgr " - "GL_EXT_bgra " - "GL_EXT_blend_color " - "GL_EXT_blend_equation_separate " - "GL_EXT_blend_func_separate " - "GL_EXT_blend_logic_op " - "GL_EXT_blend_minmax " - "GL_EXT_blend_subtract " - "GL_EXT_clip_volume_hint " - "GL_EXT_copy_texture " - "GL_EXT_draw_range_elements " - "GL_EXT_fog_coord " - "GL_EXT_framebuffer_object " - "GL_EXT_multi_draw_arrays " - "GL_EXT_packed_pixels " - "GL_EXT_paletted_texture " - "GL_EXT_point_parameters " - "GL_EXT_polygon_offset " - "GL_EXT_rescale_normal " - "GL_EXT_secondary_color " - "GL_EXT_separate_specular_color " - "GL_EXT_shadow_funcs " - "GL_EXT_shared_texture_palette " - "GL_EXT_stencil_two_side " - "GL_EXT_stencil_wrap " - "GL_EXT_subtexture " - "GL_EXT_texture " - "GL_EXT_texture3D " - "GL_EXT_texture_compression_dxt1 " - "GL_EXT_texture_compression_s3tc " - "GL_EXT_texture_edge_clamp " - "GL_EXT_texture_env_add " - "GL_EXT_texture_env_combine " - "GL_EXT_texture_env_dot3 " - "GL_EXT_texture_filter_anisotropic " - "GL_EXT_texture_lod " - "GL_EXT_texture_lod_bias " - "GL_EXT_texture_mirror_clamp " - "GL_EXT_texture_object " - "GL_EXT_texture_rectangle " - "GL_EXT_vertex_array " - "GL_3DFX_texture_compression_FXT1 " - "GL_APPLE_packed_pixels " - "GL_ATI_draw_buffers " - "GL_ATI_texture_env_combine3 " - "GL_ATI_texture_mirror_once " - "GL_HP_occlusion_test " - "GL_IBM_texture_mirrored_repeat " - "GL_INGR_blend_func_separate " - "GL_MESA_pack_invert " - "GL_MESA_ycbcr_texture " - "GL_NV_blend_square " - "GL_NV_depth_clamp " - "GL_NV_fog_distance " - "GL_NV_fragment_program " - "GL_NV_fragment_program_option " - "GL_NV_fragment_program2 " - "GL_NV_light_max_exponent " - "GL_NV_multisample_filter_hint " - "GL_NV_point_sprite " - "GL_NV_texgen_reflection " - "GL_NV_texture_compression_vtc " - "GL_NV_texture_env_combine4 " - "GL_NV_texture_expand_normal " - "GL_NV_texture_rectangle " - "GL_NV_vertex_program " - "GL_NV_vertex_program1_1 " - "GL_NV_vertex_program2 " - "GL_NV_vertex_program2_option " - "GL_NV_vertex_program3 " - "GL_OES_compressed_paletted_texture " - "GL_SGI_color_matrix " - "GL_SGI_color_table " - "GL_SGIS_generate_mipmap " - "GL_SGIS_multisample " - "GL_SGIS_point_parameters " - "GL_SGIS_texture_border_clamp " - "GL_SGIS_texture_edge_clamp " - "GL_SGIS_texture_lod " - "GL_SGIX_depth_texture " - "GL_SGIX_shadow " - "GL_SGIX_shadow_ambient " - "GL_SUN_slice_accum " - ; - -/* -** We have made the simplifying assuption that the same extensions are -** supported across all screens in a multi-screen system. -*/ -static char GLXServerVendorName[] = "SGI"; -static char GLXServerVersion[] = "1.2"; -static char GLXServerExtensions[] = - "GLX_ARB_multisample " - "GLX_EXT_visual_info " - "GLX_EXT_visual_rating " - "GLX_EXT_import_context " - "GLX_EXT_texture_from_pixmap " - "GLX_OML_swap_method " - "GLX_SGI_make_current_read " -#ifndef __APPLE__ - "GLX_SGIS_multisample " - "GLX_SGIX_hyperpipe " - "GLX_SGIX_swap_barrier " -#endif - "GLX_SGIX_fbconfig " - "GLX_SGIX_pbuffer " - "GLX_MESA_copy_sub_buffer " - ; - -/* - * If your DDX driver wants to register support for swap barriers or hyperpipe - * topology, it should call __glXHyperpipeInit() or __glXSwapBarrierInit() - * with a dispatch table of functions to handle the requests. In the XFree86 - * DDX, for example, you would call these near the bottom of the driver's - * ScreenInit method, after DRI has been initialized. - * - * This should be replaced with a better method when we teach the server how - * to load DRI drivers. - */ - -void __glXHyperpipeInit(int screen, __GLXHyperpipeExtensionFuncs *funcs) -{ - __GLXscreen *pGlxScreen = glxGetScreen(screenInfo.screens[screen]); - - pGlxScreen->hyperpipeFuncs = funcs; -} - -void __glXSwapBarrierInit(int screen, __GLXSwapBarrierExtensionFuncs *funcs) -{ - __GLXscreen *pGlxScreen = glxGetScreen(screenInfo.screens[screen]); - - pGlxScreen->swapBarrierFuncs = funcs; -} - -static Bool -glxCloseScreen (int index, ScreenPtr pScreen) -{ - __GLXscreen *pGlxScreen = glxGetScreen(pScreen); - - pScreen->CloseScreen = pGlxScreen->CloseScreen; - pScreen->DestroyWindow = pGlxScreen->DestroyWindow; - - pGlxScreen->destroy(pGlxScreen); - - return pScreen->CloseScreen(index, pScreen); -} - -__GLXscreen * -glxGetScreen(ScreenPtr pScreen) -{ - return dixLookupPrivate(&pScreen->devPrivates, glxScreenPrivateKey); -} - -_X_EXPORT void GlxSetVisualConfigs(int nconfigs, - void *configs, void **privates) -{ - /* We keep this stub around for the DDX drivers that still - * call it. */ -} - -GLint glxConvertToXVisualType(int visualType) -{ - static const int x_visual_types[] = { - TrueColor, DirectColor, - PseudoColor, StaticColor, - GrayScale, StaticGray - }; - - return ( (unsigned) (visualType - GLX_TRUE_COLOR) < 6 ) - ? x_visual_types[ visualType - GLX_TRUE_COLOR ] : -1; -} - -/* This code inspired by composite/compinit.c. We could move this to - * mi/ and share it with composite.*/ - -static VisualPtr -AddScreenVisuals(ScreenPtr pScreen, int count, int d) -{ - int i; - DepthPtr depth; - - depth = NULL; - for (i = 0; i < pScreen->numDepths; i++) { - if (pScreen->allowedDepths[i].depth == d) { - depth = &pScreen->allowedDepths[i]; - break; - } - } - if (depth == NULL) - return NULL; - - if (ResizeVisualArray(pScreen, count, depth) == FALSE) - return NULL; - - /* Return a pointer to the first of the added visuals. */ - return pScreen->visuals + pScreen->numVisuals - count; -} - -static int -findFirstSet(unsigned int v) -{ - int i; - - for (i = 0; i < 32; i++) - if (v & (1 << i)) - return i; - - return -1; -} - -static void -initGlxVisual(VisualPtr visual, __GLXconfig *config) -{ - int maxBits; - maxBits = max(config->redBits, max(config->greenBits, config->blueBits)); - - config->visualID = visual->vid; - visual->class = glxConvertToXVisualType(config->visualType); - visual->bitsPerRGBValue = maxBits; - visual->ColormapEntries = 1 << maxBits; - visual->nplanes = config->redBits + config->greenBits + config->blueBits; - - visual->redMask = config->redMask; - visual->greenMask = config->greenMask; - visual->blueMask = config->blueMask; - visual->offsetRed = findFirstSet(config->redMask); - visual->offsetGreen = findFirstSet(config->greenMask); - visual->offsetBlue = findFirstSet(config->blueMask); -} - -static __GLXconfig * -pickFBConfig(__GLXscreen *pGlxScreen, VisualPtr visual) -{ - __GLXconfig *best = NULL, *config; - int best_score = 0; - - for (config = pGlxScreen->fbconfigs; config != NULL; config = config->next) { - int score = 0; - - if (config->redMask != visual->redMask || - config->greenMask != visual->greenMask || - config->blueMask != visual->blueMask) - continue; - if (config->visualRating != GLX_NONE) - continue; - if (glxConvertToXVisualType(config->visualType) != visual->class) - continue; - /* If it's the 32-bit RGBA visual, demand a 32-bit fbconfig. */ - if (visual->nplanes == 32 && config->rgbBits != 32) - continue; - /* Can't use the same FBconfig for multiple X visuals. I think. */ - if (config->visualID != 0) - continue; - - if (config->doubleBufferMode > 0) - score += 8; - if (config->depthBits > 0) - score += 4; - if (config->stencilBits > 0) - score += 2; - if (config->alphaBits > 0) - score++; - - if (score > best_score) { - best = config; - best_score = score; - } - } - - return best; -} - -static Bool -glxDestroyWindow(WindowPtr pWin) -{ - ScreenPtr pScreen = pWin->drawable.pScreen; - __GLXscreen *pGlxScreen = glxGetScreen(pScreen); - Bool retval = TRUE; - - FreeResource(pWin->drawable.id, FALSE); - - /* call lower wrapped functions */ - if (pGlxScreen->DestroyWindow) { - /* unwrap */ - pScreen->DestroyWindow = pGlxScreen->DestroyWindow; - - /* call lower layers */ - retval = (*pScreen->DestroyWindow)(pWin); - - /* rewrap */ - pGlxScreen->DestroyWindow = pScreen->DestroyWindow; - pScreen->DestroyWindow = glxDestroyWindow; - } - - return retval; -} - -void __glXScreenInit(__GLXscreen *pGlxScreen, ScreenPtr pScreen) -{ - __GLXconfig *m; - __GLXconfig *config; - int i; - - pGlxScreen->pScreen = pScreen; - pGlxScreen->GLextensions = xstrdup(GLServerExtensions); - pGlxScreen->GLXvendor = xstrdup(GLXServerVendorName); - pGlxScreen->GLXversion = xstrdup(GLXServerVersion); - pGlxScreen->GLXextensions = xstrdup(GLXServerExtensions); - - pGlxScreen->CloseScreen = pScreen->CloseScreen; - pScreen->CloseScreen = glxCloseScreen; - pGlxScreen->DestroyWindow = pScreen->DestroyWindow; - pScreen->DestroyWindow = glxDestroyWindow; - - i = 0; - for (m = pGlxScreen->fbconfigs; m != NULL; m = m->next) { - m->fbconfigID = FakeClientID(0); - m->visualID = 0; - i++; - } - pGlxScreen->numFBConfigs = i; - - pGlxScreen->visuals = - xcalloc(pGlxScreen->numFBConfigs, sizeof (__GLXconfig *)); - - /* First, try to choose featureful FBconfigs for the existing X visuals. - * Note that if multiple X visuals end up with the same FBconfig being - * chosen, the later X visuals don't get GLX visuals (because we want to - * prioritize the root visual being GLX). - */ - for (i = 0; i < pScreen->numVisuals; i++) { - VisualPtr visual = &pScreen->visuals[i]; - - config = pickFBConfig(pGlxScreen, visual); - if (config) { - pGlxScreen->visuals[pGlxScreen->numVisuals++] = config; - config->visualID = visual->vid; - } - } - - /* Then, add new visuals corresponding to all FBconfigs that didn't have - * an existing, appropriate visual. - */ - for (config = pGlxScreen->fbconfigs; config != NULL; config = config->next) { - int depth; - - VisualPtr visual; - - if (config->visualID != 0) - continue; - - /* Only count RGB bits and not alpha, as we're not trying to create - * visuals for compositing (that's what the 32-bit composite visual - * set up above is for. - */ - depth = config->redBits + config->greenBits + config->blueBits; - - /* Make sure that our FBconfig's depth can actually be displayed - * (corresponds to an existing visual). - */ - for (i = 0; i < pScreen->numVisuals; i++) { - if (depth == pScreen->visuals[i].nplanes) - break; - } - if (i == pScreen->numVisuals) - continue; - - /* Create a new X visual for our FBconfig. */ - visual = AddScreenVisuals(pScreen, 1, depth); - if (visual == NULL) - continue; - - pGlxScreen->visuals[pGlxScreen->numVisuals++] = config; - initGlxVisual(visual, config); - } - - dixSetPrivate(&pScreen->devPrivates, glxScreenPrivateKey, pGlxScreen); -} - -void __glXScreenDestroy(__GLXscreen *screen) -{ - xfree(screen->GLXvendor); - xfree(screen->GLXversion); - xfree(screen->GLXextensions); - xfree(screen->GLextensions); -} +/*
+ * SGI FREE SOFTWARE LICENSE B (Version 2.0, Sept. 18, 2008)
+ * Copyright (C) 1991-2000 Silicon Graphics, Inc. All Rights Reserved.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice including the dates of first publication and
+ * either this permission notice or a reference to
+ * http://oss.sgi.com/projects/FreeB/
+ * shall be included in all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+ * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * SILICON GRAPHICS, INC. BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
+ * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF
+ * OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ *
+ * Except as contained in this notice, the name of Silicon Graphics, Inc.
+ * shall not be used in advertising or otherwise to promote the sale, use or
+ * other dealings in this Software without prior written authorization from
+ * Silicon Graphics, Inc.
+ */
+
+#ifdef HAVE_DIX_CONFIG_H
+#include <dix-config.h>
+#else
+
+#include "glheader.h"
+
+#endif
+
+#include <GL/glxtokens.h>
+#include <string.h>
+#include <windowstr.h>
+#include <os.h>
+#include <colormapst.h>
+
+#include "privates.h"
+#include "glxserver.h"
+#include "glxutil.h"
+#include "glxext.h"
+
+static int glxScreenPrivateKeyIndex;
+static DevPrivateKey glxScreenPrivateKey = &glxScreenPrivateKeyIndex;
+
+const char GLServerVersion[] = "1.4";
+static const char GLServerExtensions[] =
+ "GL_ARB_depth_texture "
+ "GL_ARB_draw_buffers "
+ "GL_ARB_fragment_program "
+ "GL_ARB_fragment_program_shadow "
+ "GL_ARB_imaging "
+ "GL_ARB_multisample "
+ "GL_ARB_multitexture "
+ "GL_ARB_occlusion_query "
+ "GL_ARB_point_parameters "
+ "GL_ARB_point_sprite "
+ "GL_ARB_shadow "
+ "GL_ARB_shadow_ambient "
+ "GL_ARB_texture_border_clamp "
+ "GL_ARB_texture_compression "
+ "GL_ARB_texture_cube_map "
+ "GL_ARB_texture_env_add "
+ "GL_ARB_texture_env_combine "
+ "GL_ARB_texture_env_crossbar "
+ "GL_ARB_texture_env_dot3 "
+ "GL_ARB_texture_mirrored_repeat "
+ "GL_ARB_texture_non_power_of_two "
+ "GL_ARB_transpose_matrix "
+ "GL_ARB_vertex_program "
+ "GL_ARB_window_pos "
+ "GL_EXT_abgr "
+ "GL_EXT_bgra "
+ "GL_EXT_blend_color "
+ "GL_EXT_blend_equation_separate "
+ "GL_EXT_blend_func_separate "
+ "GL_EXT_blend_logic_op "
+ "GL_EXT_blend_minmax "
+ "GL_EXT_blend_subtract "
+ "GL_EXT_clip_volume_hint "
+ "GL_EXT_copy_texture "
+ "GL_EXT_draw_range_elements "
+ "GL_EXT_fog_coord "
+ "GL_EXT_framebuffer_object "
+ "GL_EXT_multi_draw_arrays "
+ "GL_EXT_packed_pixels "
+ "GL_EXT_paletted_texture "
+ "GL_EXT_point_parameters "
+ "GL_EXT_polygon_offset "
+ "GL_EXT_rescale_normal "
+ "GL_EXT_secondary_color "
+ "GL_EXT_separate_specular_color "
+ "GL_EXT_shadow_funcs "
+ "GL_EXT_shared_texture_palette "
+ "GL_EXT_stencil_two_side "
+ "GL_EXT_stencil_wrap "
+ "GL_EXT_subtexture "
+ "GL_EXT_texture "
+ "GL_EXT_texture3D "
+ "GL_EXT_texture_compression_dxt1 "
+ "GL_EXT_texture_compression_s3tc "
+ "GL_EXT_texture_edge_clamp "
+ "GL_EXT_texture_env_add "
+ "GL_EXT_texture_env_combine "
+ "GL_EXT_texture_env_dot3 "
+ "GL_EXT_texture_filter_anisotropic "
+ "GL_EXT_texture_lod "
+ "GL_EXT_texture_lod_bias "
+ "GL_EXT_texture_mirror_clamp "
+ "GL_EXT_texture_object "
+ "GL_EXT_texture_rectangle "
+ "GL_EXT_vertex_array "
+ "GL_3DFX_texture_compression_FXT1 "
+ "GL_APPLE_packed_pixels "
+ "GL_ATI_draw_buffers "
+ "GL_ATI_texture_env_combine3 "
+ "GL_ATI_texture_mirror_once "
+ "GL_HP_occlusion_test "
+ "GL_IBM_texture_mirrored_repeat "
+ "GL_INGR_blend_func_separate "
+ "GL_MESA_pack_invert "
+ "GL_MESA_ycbcr_texture "
+ "GL_NV_blend_square "
+ "GL_NV_depth_clamp "
+ "GL_NV_fog_distance "
+ "GL_NV_fragment_program "
+ "GL_NV_fragment_program_option "
+ "GL_NV_fragment_program2 "
+ "GL_NV_light_max_exponent "
+ "GL_NV_multisample_filter_hint "
+ "GL_NV_point_sprite "
+ "GL_NV_texgen_reflection "
+ "GL_NV_texture_compression_vtc "
+ "GL_NV_texture_env_combine4 "
+ "GL_NV_texture_expand_normal "
+ "GL_NV_texture_rectangle "
+ "GL_NV_vertex_program "
+ "GL_NV_vertex_program1_1 "
+ "GL_NV_vertex_program2 "
+ "GL_NV_vertex_program2_option "
+ "GL_NV_vertex_program3 "
+ "GL_OES_compressed_paletted_texture "
+ "GL_SGI_color_matrix "
+ "GL_SGI_color_table "
+ "GL_SGIS_generate_mipmap "
+ "GL_SGIS_multisample "
+ "GL_SGIS_point_parameters "
+ "GL_SGIS_texture_border_clamp "
+ "GL_SGIS_texture_edge_clamp "
+ "GL_SGIS_texture_lod "
+ "GL_SGIX_depth_texture "
+ "GL_SGIX_shadow "
+ "GL_SGIX_shadow_ambient "
+ "GL_SUN_slice_accum "
+ ;
+
+/*
+** We have made the simplifying assuption that the same extensions are
+** supported across all screens in a multi-screen system.
+*/
+static char GLXServerVendorName[] = "SGI";
+static char GLXServerVersion[] = "1.2";
+static char GLXServerExtensions[] =
+ "GLX_ARB_multisample "
+ "GLX_EXT_visual_info "
+ "GLX_EXT_visual_rating "
+ "GLX_EXT_import_context "
+ "GLX_EXT_texture_from_pixmap "
+ "GLX_OML_swap_method "
+ "GLX_SGI_make_current_read "
+#ifndef __APPLE__
+ "GLX_SGIS_multisample "
+ "GLX_SGIX_hyperpipe "
+ "GLX_SGIX_swap_barrier "
+#endif
+ "GLX_SGIX_fbconfig "
+ "GLX_SGIX_pbuffer "
+ "GLX_MESA_copy_sub_buffer "
+ ;
+
+/*
+ * If your DDX driver wants to register support for swap barriers or hyperpipe
+ * topology, it should call __glXHyperpipeInit() or __glXSwapBarrierInit()
+ * with a dispatch table of functions to handle the requests. In the XFree86
+ * DDX, for example, you would call these near the bottom of the driver's
+ * ScreenInit method, after DRI has been initialized.
+ *
+ * This should be replaced with a better method when we teach the server how
+ * to load DRI drivers.
+ */
+
+void __glXHyperpipeInit(int screen, __GLXHyperpipeExtensionFuncs *funcs)
+{
+ __GLXscreen *pGlxScreen = glxGetScreen(screenInfo.screens[screen]);
+
+ pGlxScreen->hyperpipeFuncs = funcs;
+}
+
+void __glXSwapBarrierInit(int screen, __GLXSwapBarrierExtensionFuncs *funcs)
+{
+ __GLXscreen *pGlxScreen = glxGetScreen(screenInfo.screens[screen]);
+
+ pGlxScreen->swapBarrierFuncs = funcs;
+}
+
+static Bool
+glxCloseScreen (int index, ScreenPtr pScreen)
+{
+ __GLXscreen *pGlxScreen = glxGetScreen(pScreen);
+
+ pScreen->CloseScreen = pGlxScreen->CloseScreen;
+ pScreen->DestroyWindow = pGlxScreen->DestroyWindow;
+
+ pGlxScreen->destroy(pGlxScreen);
+
+ return pScreen->CloseScreen(index, pScreen);
+}
+
+__GLXscreen *
+glxGetScreen(ScreenPtr pScreen)
+{
+ return dixLookupPrivate(&pScreen->devPrivates, glxScreenPrivateKey);
+}
+
+_X_EXPORT void GlxSetVisualConfigs(int nconfigs,
+ void *configs, void **privates)
+{
+ /* We keep this stub around for the DDX drivers that still
+ * call it. */
+}
+
+GLint glxConvertToXVisualType(int visualType)
+{
+ static const int x_visual_types[] = {
+ TrueColor, DirectColor,
+ PseudoColor, StaticColor,
+ GrayScale, StaticGray
+ };
+
+ return ( (unsigned) (visualType - GLX_TRUE_COLOR) < 6 )
+ ? x_visual_types[ visualType - GLX_TRUE_COLOR ] : -1;
+}
+
+/* This code inspired by composite/compinit.c. We could move this to
+ * mi/ and share it with composite.*/
+
+static VisualPtr
+AddScreenVisuals(ScreenPtr pScreen, int count, int d)
+{
+ int i;
+ DepthPtr depth;
+
+ depth = NULL;
+ for (i = 0; i < pScreen->numDepths; i++) {
+ if (pScreen->allowedDepths[i].depth == d) {
+ depth = &pScreen->allowedDepths[i];
+ break;
+ }
+ }
+ if (depth == NULL)
+ return NULL;
+
+ if (ResizeVisualArray(pScreen, count, depth) == FALSE)
+ return NULL;
+
+ /* Return a pointer to the first of the added visuals. */
+ return pScreen->visuals + pScreen->numVisuals - count;
+}
+
+static int
+findFirstSet(unsigned int v)
+{
+ int i;
+
+ for (i = 0; i < 32; i++)
+ if (v & (1 << i))
+ return i;
+
+ return -1;
+}
+
+static void
+initGlxVisual(VisualPtr visual, __GLXconfig *config)
+{
+ int maxBits;
+ maxBits = max(config->redBits, max(config->greenBits, config->blueBits));
+
+ config->visualID = visual->vid;
+ visual->class = glxConvertToXVisualType(config->visualType);
+ visual->bitsPerRGBValue = maxBits;
+ visual->ColormapEntries = 1 << maxBits;
+ visual->nplanes = config->redBits + config->greenBits + config->blueBits;
+
+ visual->redMask = config->redMask;
+ visual->greenMask = config->greenMask;
+ visual->blueMask = config->blueMask;
+ visual->offsetRed = findFirstSet(config->redMask);
+ visual->offsetGreen = findFirstSet(config->greenMask);
+ visual->offsetBlue = findFirstSet(config->blueMask);
+}
+
+static __GLXconfig *
+pickFBConfig(__GLXscreen *pGlxScreen, VisualPtr visual)
+{
+ __GLXconfig *best = NULL, *config;
+ int best_score = 0;
+
+ for (config = pGlxScreen->fbconfigs; config != NULL; config = config->next) {
+ int score = 0;
+
+ if (config->redMask != visual->redMask ||
+ config->greenMask != visual->greenMask ||
+ config->blueMask != visual->blueMask)
+ continue;
+ if (config->visualRating != GLX_NONE)
+ continue;
+ if (glxConvertToXVisualType(config->visualType) != visual->class)
+ continue;
+ /* If it's the 32-bit RGBA visual, demand a 32-bit fbconfig. */
+ if (visual->nplanes == 32 && config->rgbBits != 32)
+ continue;
+ /* Can't use the same FBconfig for multiple X visuals. I think. */
+ if (config->visualID != 0)
+ continue;
+
+ if (config->doubleBufferMode > 0)
+ score += 8;
+ if (config->depthBits > 0)
+ score += 4;
+ if (config->stencilBits > 0)
+ score += 2;
+ if (config->alphaBits > 0)
+ score++;
+
+ if (score > best_score) {
+ best = config;
+ best_score = score;
+ }
+ }
+
+ return best;
+}
+
+static Bool
+glxDestroyWindow(WindowPtr pWin)
+{
+ ScreenPtr pScreen = pWin->drawable.pScreen;
+ __GLXscreen *pGlxScreen = glxGetScreen(pScreen);
+ Bool retval = TRUE;
+
+ FreeResource(pWin->drawable.id, FALSE);
+
+ /* call lower wrapped functions */
+ if (pGlxScreen->DestroyWindow) {
+ /* unwrap */
+ pScreen->DestroyWindow = pGlxScreen->DestroyWindow;
+
+ /* call lower layers */
+ retval = (*pScreen->DestroyWindow)(pWin);
+
+ /* rewrap */
+ pGlxScreen->DestroyWindow = pScreen->DestroyWindow;
+ pScreen->DestroyWindow = glxDestroyWindow;
+ }
+
+ return retval;
+}
+
+void __glXScreenInit(__GLXscreen *pGlxScreen, ScreenPtr pScreen)
+{
+ __GLXconfig *m;
+ __GLXconfig *config;
+ int i;
+
+ pGlxScreen->pScreen = pScreen;
+ pGlxScreen->GLextensions = xstrdup(GLServerExtensions);
+ pGlxScreen->GLXvendor = xstrdup(GLXServerVendorName);
+ pGlxScreen->GLXversion = xstrdup(GLXServerVersion);
+ pGlxScreen->GLXextensions = xstrdup(GLXServerExtensions);
+
+ pGlxScreen->CloseScreen = pScreen->CloseScreen;
+ pScreen->CloseScreen = glxCloseScreen;
+ pGlxScreen->DestroyWindow = pScreen->DestroyWindow;
+ pScreen->DestroyWindow = glxDestroyWindow;
+
+ i = 0;
+ for (m = pGlxScreen->fbconfigs; m != NULL; m = m->next) {
+ m->fbconfigID = FakeClientID(0);
+ m->visualID = 0;
+ i++;
+ }
+ pGlxScreen->numFBConfigs = i;
+
+ pGlxScreen->visuals =
+ xcalloc(pGlxScreen->numFBConfigs, sizeof (__GLXconfig *));
+
+ /* First, try to choose featureful FBconfigs for the existing X visuals.
+ * Note that if multiple X visuals end up with the same FBconfig being
+ * chosen, the later X visuals don't get GLX visuals (because we want to
+ * prioritize the root visual being GLX).
+ */
+ for (i = 0; i < pScreen->numVisuals; i++) {
+ VisualPtr visual = &pScreen->visuals[i];
+
+ config = pickFBConfig(pGlxScreen, visual);
+ if (config) {
+ pGlxScreen->visuals[pGlxScreen->numVisuals++] = config;
+ config->visualID = visual->vid;
+ }
+ }
+
+ /* Then, add new visuals corresponding to all FBconfigs that didn't have
+ * an existing, appropriate visual.
+ */
+ for (config = pGlxScreen->fbconfigs; config != NULL; config = config->next) {
+ int depth;
+
+ VisualPtr visual;
+
+ if (config->visualID != 0)
+ continue;
+
+ /* Only count RGB bits and not alpha, as we're not trying to create
+ * visuals for compositing (that's what the 32-bit composite visual
+ * set up above is for.
+ */
+ depth = config->redBits + config->greenBits + config->blueBits;
+
+ /* Make sure that our FBconfig's depth can actually be displayed
+ * (corresponds to an existing visual).
+ */
+ for (i = 0; i < pScreen->numVisuals; i++) {
+ if (depth == pScreen->visuals[i].nplanes)
+ break;
+ }
+ if (i == pScreen->numVisuals)
+ continue;
+
+ /* Create a new X visual for our FBconfig. */
+ visual = AddScreenVisuals(pScreen, 1, depth);
+ if (visual == NULL)
+ continue;
+
+ pGlxScreen->visuals[pGlxScreen->numVisuals++] = config;
+ initGlxVisual(visual, config);
+ }
+
+ dixSetPrivate(&pScreen->devPrivates, glxScreenPrivateKey, pGlxScreen);
+}
+
+void __glXScreenDestroy(__GLXscreen *screen)
+{
+ xfree(screen->GLXvendor);
+ xfree(screen->GLXversion);
+ xfree(screen->GLXextensions);
+ xfree(screen->GLextensions);
+}
diff --git a/xorg-server/glx/glxserver.h b/xorg-server/glx/glxserver.h index 4aa8c2eec..87d7c3945 100644 --- a/xorg-server/glx/glxserver.h +++ b/xorg-server/glx/glxserver.h @@ -1,251 +1,252 @@ -#ifdef HAVE_DIX_CONFIG_H -#include <dix-config.h> -#endif - -#ifndef _GLX_server_h_ -#define _GLX_server_h_ - -/* - * SGI FREE SOFTWARE LICENSE B (Version 2.0, Sept. 18, 2008) - * Copyright (C) 1991-2000 Silicon Graphics, Inc. All Rights Reserved. - * - * Permission is hereby granted, free of charge, to any person obtaining a - * copy of this software and associated documentation files (the "Software"), - * to deal in the Software without restriction, including without limitation - * the rights to use, copy, modify, merge, publish, distribute, sublicense, - * and/or sell copies of the Software, and to permit persons to whom the - * Software is furnished to do so, subject to the following conditions: - * - * The above copyright notice including the dates of first publication and - * either this permission notice or a reference to - * http://oss.sgi.com/projects/FreeB/ - * shall be included in all copies or substantial portions of the Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS - * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, - * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL - * SILICON GRAPHICS, INC. BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, - * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF - * OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE - * SOFTWARE. - * - * Except as contained in this notice, the name of Silicon Graphics, Inc. - * shall not be used in advertising or otherwise to promote the sale, use or - * other dealings in this Software without prior written authorization from - * Silicon Graphics, Inc. - */ - -#include <X11/X.h> -#include <X11/Xproto.h> -#include <X11/Xmd.h> -#include <misc.h> -#include <dixstruct.h> -#include <pixmapstr.h> -#include <gcstruct.h> -#include <extnsionst.h> -#include <resource.h> -#include <scrnintstr.h> - -/* -** The X header misc.h defines these math functions. -*/ -#undef abs -#undef fabs - -#define GL_GLEXT_PROTOTYPES /* we want prototypes */ -#include <GL/gl.h> -#include <GL/glxproto.h> - -/* For glxscreens.h */ -typedef struct __GLXdrawable __GLXdrawable; -typedef struct __GLXcontext __GLXcontext; - -#include "glxscreens.h" -#include "glxdrawable.h" -#include "glxcontext.h" - -#ifndef True -#define True 1 -#endif -#ifndef False -#define False 0 -#endif - -/* -** GLX resources. -*/ -typedef XID GLXContextID; -typedef XID GLXPixmap; -typedef XID GLXDrawable; - -typedef struct __GLXclientStateRec __GLXclientState; - -extern __GLXscreen *glxGetScreen(ScreenPtr pScreen); -extern __GLXclientState *glxGetClient(ClientPtr pClient); - -/************************************************************************/ - -void GlxExtensionInit(void); - -void GlxSetVisualConfigs(int nconfigs, - void *configs, void **privates); - -void __glXScreenInitVisuals(__GLXscreen *screen); - -/* -** The last context used (from the server's persective) is cached. -*/ -extern __GLXcontext *__glXLastContext; -extern __GLXcontext *__glXForceCurrent(__GLXclientState*, GLXContextTag, int*); - -extern ClientPtr __pGlxClient; - -int __glXError(int error); - -/* -** Macros to set, unset, and retrieve the flag that says whether a context -** has unflushed commands. -*/ -#define __GLX_NOTE_UNFLUSHED_CMDS(glxc) glxc->hasUnflushedCommands = GL_TRUE -#define __GLX_NOTE_FLUSHED_CMDS(glxc) glxc->hasUnflushedCommands = GL_FALSE -#define __GLX_HAS_UNFLUSHED_CMDS(glxc) (glxc->hasUnflushedCommands) - -/************************************************************************/ - -typedef struct __GLXprovider __GLXprovider; -struct __GLXprovider { - __GLXscreen *(*screenProbe)(ScreenPtr pScreen); - const char *name; - __GLXprovider *next; -}; - -void GlxPushProvider(__GLXprovider *provider); - -enum { - GLX_MINIMAL_VISUALS, - GLX_TYPICAL_VISUALS, - GLX_ALL_VISUALS -}; - -void __glXsetEnterLeaveServerFuncs(void (*enter)(GLboolean), - void (*leave)(GLboolean)); -void __glXenterServer(GLboolean rendering); -void __glXleaveServer(GLboolean rendering); - -void glxSuspendClients(void); -void glxResumeClients(void); - -/* -** State kept per client. -*/ -struct __GLXclientStateRec { - /* - ** Whether this structure is currently being used to support a client. - */ - Bool inUse; - - /* - ** Buffer for returned data. - */ - GLbyte *returnBuf; - GLint returnBufSize; - - /* - ** Keep track of large rendering commands, which span multiple requests. - */ - GLint largeCmdBytesSoFar; /* bytes received so far */ - GLint largeCmdBytesTotal; /* total bytes expected */ - GLint largeCmdRequestsSoFar; /* requests received so far */ - GLint largeCmdRequestsTotal; /* total requests expected */ - GLbyte *largeCmdBuf; - GLint largeCmdBufSize; - - /* - ** Keep a list of all the contexts that are current for this client's - ** threads. - */ - __GLXcontext **currentContexts; - GLint numCurrentContexts; - - /* Back pointer to X client record */ - ClientPtr client; - - int GLClientmajorVersion; - int GLClientminorVersion; - char *GLClientextensions; -}; - -/************************************************************************/ - -/* -** Dispatch tables. -*/ -typedef void (*__GLXdispatchRenderProcPtr)(GLbyte *); -typedef int (*__GLXdispatchSingleProcPtr)(__GLXclientState *, GLbyte *); -typedef int (*__GLXdispatchVendorPrivProcPtr)(__GLXclientState *, GLbyte *); - -/* - * Dispatch for GLX commands. - */ -typedef int (*__GLXprocPtr)(__GLXclientState *, char *pc); - -/* - * Tables for computing the size of each rendering command. - */ -typedef int (*gl_proto_size_func)(const GLbyte *, Bool); - -typedef struct { - int bytes; - gl_proto_size_func varsize; -} __GLXrenderSizeData; - -/************************************************************************/ - -/* -** X resources. -*/ -extern RESTYPE __glXContextRes; -extern RESTYPE __glXClientRes; -extern RESTYPE __glXPixmapRes; -extern RESTYPE __glXDrawableRes; - -/************************************************************************/ - -/* -** Prototypes. -*/ - -extern char *__glXcombine_strings(const char *, const char *); - -/* -** Routines for sending swapped replies. -*/ - -extern void __glXSwapMakeCurrentReply(ClientPtr client, - xGLXMakeCurrentReply *reply); -extern void __glXSwapIsDirectReply(ClientPtr client, - xGLXIsDirectReply *reply); -extern void __glXSwapQueryVersionReply(ClientPtr client, - xGLXQueryVersionReply *reply); -extern void __glXSwapQueryContextInfoEXTReply(ClientPtr client, - xGLXQueryContextInfoEXTReply *reply, - int *buf); -extern void __glXSwapGetDrawableAttributesReply(ClientPtr client, - xGLXGetDrawableAttributesReply *reply, CARD32 *buf); -extern void glxSwapQueryExtensionsStringReply(ClientPtr client, - xGLXQueryExtensionsStringReply *reply, char *buf); -extern void glxSwapQueryServerStringReply(ClientPtr client, - xGLXQueryServerStringReply *reply, char *buf); - - -/* - * Routines for computing the size of variably-sized rendering commands. - */ - -extern int __glXTypeSize(GLenum enm); -extern int __glXImageSize(GLenum format, GLenum type, - GLenum target, GLsizei w, GLsizei h, GLsizei d, - GLint imageHeight, GLint rowLength, GLint skipImages, GLint skipRows, - GLint alignment); - -#endif /* !__GLX_server_h__ */ +#ifdef HAVE_DIX_CONFIG_H
+#include <dix-config.h>
+#endif
+
+#ifndef _GLX_server_h_
+#define _GLX_server_h_
+
+/*
+ * SGI FREE SOFTWARE LICENSE B (Version 2.0, Sept. 18, 2008)
+ * Copyright (C) 1991-2000 Silicon Graphics, Inc. All Rights Reserved.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice including the dates of first publication and
+ * either this permission notice or a reference to
+ * http://oss.sgi.com/projects/FreeB/
+ * shall be included in all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+ * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * SILICON GRAPHICS, INC. BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
+ * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF
+ * OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ *
+ * Except as contained in this notice, the name of Silicon Graphics, Inc.
+ * shall not be used in advertising or otherwise to promote the sale, use or
+ * other dealings in this Software without prior written authorization from
+ * Silicon Graphics, Inc.
+ */
+
+#include <X11/X.h>
+#include <X11/Xproto.h>
+#include <X11/Xmd.h>
+#include <misc.h>
+#include <dixstruct.h>
+#include <pixmapstr.h>
+#include <gcstruct.h>
+#include <extnsionst.h>
+#include <resource.h>
+#include <scrnintstr.h>
+
+/*
+** The X header misc.h defines these math functions.
+*/
+#undef abs
+#undef fabs
+
+#define GL_GLEXT_PROTOTYPES /* we want prototypes */
+#include <GL/gl.h>
+#include <GL/glext.h>
+#include <GL/glxproto.h>
+
+/* For glxscreens.h */
+typedef struct __GLXdrawable __GLXdrawable;
+typedef struct __GLXcontext __GLXcontext;
+
+#include "glxscreens.h"
+#include "glxdrawable.h"
+#include "glxcontext.h"
+
+#ifndef True
+#define True 1
+#endif
+#ifndef False
+#define False 0
+#endif
+
+/*
+** GLX resources.
+*/
+typedef XID GLXContextID;
+typedef XID GLXPixmap;
+typedef XID GLXDrawable;
+
+typedef struct __GLXclientStateRec __GLXclientState;
+
+extern __GLXscreen *glxGetScreen(ScreenPtr pScreen);
+extern __GLXclientState *glxGetClient(ClientPtr pClient);
+
+/************************************************************************/
+
+void GlxExtensionInit(void);
+
+void GlxSetVisualConfigs(int nconfigs,
+ void *configs, void **privates);
+
+void __glXScreenInitVisuals(__GLXscreen *screen);
+
+/*
+** The last context used (from the server's persective) is cached.
+*/
+extern __GLXcontext *__glXLastContext;
+extern __GLXcontext *__glXForceCurrent(__GLXclientState*, GLXContextTag, int*);
+
+extern ClientPtr __pGlxClient;
+
+int __glXError(int error);
+
+/*
+** Macros to set, unset, and retrieve the flag that says whether a context
+** has unflushed commands.
+*/
+#define __GLX_NOTE_UNFLUSHED_CMDS(glxc) glxc->hasUnflushedCommands = GL_TRUE
+#define __GLX_NOTE_FLUSHED_CMDS(glxc) glxc->hasUnflushedCommands = GL_FALSE
+#define __GLX_HAS_UNFLUSHED_CMDS(glxc) (glxc->hasUnflushedCommands)
+
+/************************************************************************/
+
+typedef struct __GLXprovider __GLXprovider;
+struct __GLXprovider {
+ __GLXscreen *(*screenProbe)(ScreenPtr pScreen);
+ const char *name;
+ __GLXprovider *next;
+};
+
+void GlxPushProvider(__GLXprovider *provider);
+
+enum {
+ GLX_MINIMAL_VISUALS,
+ GLX_TYPICAL_VISUALS,
+ GLX_ALL_VISUALS
+};
+
+void __glXsetEnterLeaveServerFuncs(void (*enter)(GLboolean),
+ void (*leave)(GLboolean));
+void __glXenterServer(GLboolean rendering);
+void __glXleaveServer(GLboolean rendering);
+
+void glxSuspendClients(void);
+void glxResumeClients(void);
+
+/*
+** State kept per client.
+*/
+struct __GLXclientStateRec {
+ /*
+ ** Whether this structure is currently being used to support a client.
+ */
+ Bool inUse;
+
+ /*
+ ** Buffer for returned data.
+ */
+ GLbyte *returnBuf;
+ GLint returnBufSize;
+
+ /*
+ ** Keep track of large rendering commands, which span multiple requests.
+ */
+ GLint largeCmdBytesSoFar; /* bytes received so far */
+ GLint largeCmdBytesTotal; /* total bytes expected */
+ GLint largeCmdRequestsSoFar; /* requests received so far */
+ GLint largeCmdRequestsTotal; /* total requests expected */
+ GLbyte *largeCmdBuf;
+ GLint largeCmdBufSize;
+
+ /*
+ ** Keep a list of all the contexts that are current for this client's
+ ** threads.
+ */
+ __GLXcontext **currentContexts;
+ GLint numCurrentContexts;
+
+ /* Back pointer to X client record */
+ ClientPtr client;
+
+ int GLClientmajorVersion;
+ int GLClientminorVersion;
+ char *GLClientextensions;
+};
+
+/************************************************************************/
+
+/*
+** Dispatch tables.
+*/
+typedef void (*__GLXdispatchRenderProcPtr)(GLbyte *);
+typedef int (*__GLXdispatchSingleProcPtr)(__GLXclientState *, GLbyte *);
+typedef int (*__GLXdispatchVendorPrivProcPtr)(__GLXclientState *, GLbyte *);
+
+/*
+ * Dispatch for GLX commands.
+ */
+typedef int (*__GLXprocPtr)(__GLXclientState *, char *pc);
+
+/*
+ * Tables for computing the size of each rendering command.
+ */
+typedef int (*gl_proto_size_func)(const GLbyte *, Bool);
+
+typedef struct {
+ int bytes;
+ gl_proto_size_func varsize;
+} __GLXrenderSizeData;
+
+/************************************************************************/
+
+/*
+** X resources.
+*/
+extern RESTYPE __glXContextRes;
+extern RESTYPE __glXClientRes;
+extern RESTYPE __glXPixmapRes;
+extern RESTYPE __glXDrawableRes;
+
+/************************************************************************/
+
+/*
+** Prototypes.
+*/
+
+extern char *__glXcombine_strings(const char *, const char *);
+
+/*
+** Routines for sending swapped replies.
+*/
+
+extern void __glXSwapMakeCurrentReply(ClientPtr client,
+ xGLXMakeCurrentReply *reply);
+extern void __glXSwapIsDirectReply(ClientPtr client,
+ xGLXIsDirectReply *reply);
+extern void __glXSwapQueryVersionReply(ClientPtr client,
+ xGLXQueryVersionReply *reply);
+extern void __glXSwapQueryContextInfoEXTReply(ClientPtr client,
+ xGLXQueryContextInfoEXTReply *reply,
+ int *buf);
+extern void __glXSwapGetDrawableAttributesReply(ClientPtr client,
+ xGLXGetDrawableAttributesReply *reply, CARD32 *buf);
+extern void glxSwapQueryExtensionsStringReply(ClientPtr client,
+ xGLXQueryExtensionsStringReply *reply, char *buf);
+extern void glxSwapQueryServerStringReply(ClientPtr client,
+ xGLXQueryServerStringReply *reply, char *buf);
+
+
+/*
+ * Routines for computing the size of variably-sized rendering commands.
+ */
+
+extern int __glXTypeSize(GLenum enm);
+extern int __glXImageSize(GLenum format, GLenum type,
+ GLenum target, GLsizei w, GLsizei h, GLsizei d,
+ GLint imageHeight, GLint rowLength, GLint skipImages, GLint skipRows,
+ GLint alignment);
+
+#endif /* !__GLX_server_h__ */
diff --git a/xorg-server/glx/indirect_dispatch.c b/xorg-server/glx/indirect_dispatch.c index 666551903..1da14750d 100644 --- a/xorg-server/glx/indirect_dispatch.c +++ b/xorg-server/glx/indirect_dispatch.c @@ -24,6 +24,13 @@ * OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE * SOFTWARE. */ +#ifdef HAVE_DIX_CONFIG_H +#include <dix-config.h> +#else + +#include "glheader.h" + +#endif #include <X11/Xmd.h> #include <GL/gl.h> diff --git a/xorg-server/glx/indirect_dispatch_swap.c b/xorg-server/glx/indirect_dispatch_swap.c index 3221c809d..64d9dc99b 100644 --- a/xorg-server/glx/indirect_dispatch_swap.c +++ b/xorg-server/glx/indirect_dispatch_swap.c @@ -24,6 +24,13 @@ * OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE * SOFTWARE. */ +#ifdef HAVE_DIX_CONFIG_H +#include <dix-config.h> +#else + +#include "glheader.h" + +#endif #include <X11/Xmd.h> #include <GL/gl.h> diff --git a/xorg-server/glx/indirect_program.c b/xorg-server/glx/indirect_program.c index 237da2908..165d12bd9 100644 --- a/xorg-server/glx/indirect_program.c +++ b/xorg-server/glx/indirect_program.c @@ -31,6 +31,10 @@ #ifdef HAVE_DIX_CONFIG_H #include <dix-config.h> +#else + +#include "glheader.h" + #endif #include "glxserver.h" diff --git a/xorg-server/glx/indirect_reqsize.c b/xorg-server/glx/indirect_reqsize.c index 35bb9370f..ed64d0f46 100644 --- a/xorg-server/glx/indirect_reqsize.c +++ b/xorg-server/glx/indirect_reqsize.c @@ -25,6 +25,13 @@ * SOFTWARE. */ +#ifdef HAVE_DIX_CONFIG_H +#include <dix-config.h> +#else + +#include "glheader.h" + +#endif #include <GL/gl.h> #include "glxserver.h" diff --git a/xorg-server/glx/indirect_size_get.c b/xorg-server/glx/indirect_size_get.c index 80f81dec6..7b8fa49cd 100644 --- a/xorg-server/glx/indirect_size_get.c +++ b/xorg-server/glx/indirect_size_get.c @@ -25,6 +25,13 @@ * SOFTWARE. */ +#ifdef HAVE_DIX_CONFIG_H +#include <dix-config.h> +#else + +#include "glheader.h" + +#endif #include <GL/gl.h> #include "indirect_size_get.h" @@ -888,7 +895,9 @@ __glGetTexLevelParameterfv_size(GLenum e) case GL_TEXTURE_INTENSITY_SIZE: /* case GL_TEXTURE_INTENSITY_SIZE_EXT:*/ case GL_TEXTURE_DEPTH: +#ifndef _MSC_VER case GL_TEXTURE_INDEX_SIZE_EXT: +#endif case GL_TEXTURE_COMPRESSED_IMAGE_SIZE: /* case GL_TEXTURE_COMPRESSED_IMAGE_SIZE_ARB:*/ case GL_TEXTURE_COMPRESSED: diff --git a/xorg-server/glx/indirect_table.c b/xorg-server/glx/indirect_table.c index cb3202605..b5ac86a5a 100644 --- a/xorg-server/glx/indirect_table.c +++ b/xorg-server/glx/indirect_table.c @@ -25,6 +25,10 @@ * SOFTWARE. */ +#ifndef HAVE_DIX_CONFIG_H +#include "glheader.h" +#endif + #include <inttypes.h> #include "glxserver.h" #include "glxext.h" diff --git a/xorg-server/glx/indirect_texture_compression.c b/xorg-server/glx/indirect_texture_compression.c index 25c6eb30e..f20ebc8af 100644 --- a/xorg-server/glx/indirect_texture_compression.c +++ b/xorg-server/glx/indirect_texture_compression.c @@ -25,6 +25,10 @@ #ifdef HAVE_DIX_CONFIG_H #include <dix-config.h> +#else + +#include "glheader.h" + #endif #include "glxserver.h" diff --git a/xorg-server/glx/indirect_util.c b/xorg-server/glx/indirect_util.c index 44309104e..2f48ab2b0 100644 --- a/xorg-server/glx/indirect_util.c +++ b/xorg-server/glx/indirect_util.c @@ -25,6 +25,10 @@ #ifdef HAVE_DIX_CONFIG_H #include <dix-config.h> +#else + +#include "glheader.h" + #endif #include <string.h> diff --git a/xorg-server/glx/makefile b/xorg-server/glx/makefile new file mode 100644 index 000000000..0debc92a0 --- /dev/null +++ b/xorg-server/glx/makefile @@ -0,0 +1,7 @@ +CSRCS=glapi.c glthread.c glxcmds.c glxcmdsswap.c glxdricommon.c glxext.c glxscreens.c \
+indirect_dispatch.c indirect_dispatch_swap.c indirect_program.c indirect_reqsize.c indirect_size_get.c indirect_table.c indirect_texture_compression.c \
+indirect_util.c render2.c render2swap.c renderpix.c renderpixswap.c rensize.c single2.c single2swap.c singlepix.c singlepixswap.c singlesize.c \
+swap_interval.c xfont.c glxdriswrast.c
+
+LIBRARY=libglx
+
diff --git a/xorg-server/glx/render2.c b/xorg-server/glx/render2.c index eb7c30ba0..32cee4160 100644 --- a/xorg-server/glx/render2.c +++ b/xorg-server/glx/render2.c @@ -30,6 +30,10 @@ #ifdef HAVE_DIX_CONFIG_H #include <dix-config.h> +#else + +#include "glheader.h" + #endif #include <glxserver.h> diff --git a/xorg-server/glx/render2swap.c b/xorg-server/glx/render2swap.c index 17354c4f8..59cb93a6a 100644 --- a/xorg-server/glx/render2swap.c +++ b/xorg-server/glx/render2swap.c @@ -30,6 +30,10 @@ #ifdef HAVE_DIX_CONFIG_H #include <dix-config.h> +#else + +#include "glheader.h" + #endif #include "glxserver.h" diff --git a/xorg-server/glx/renderpix.c b/xorg-server/glx/renderpix.c index 056e62c87..3e5612036 100644 --- a/xorg-server/glx/renderpix.c +++ b/xorg-server/glx/renderpix.c @@ -30,6 +30,10 @@ #ifdef HAVE_DIX_CONFIG_H #include <dix-config.h> +#else + +#include "glheader.h" + #endif #include "glxserver.h" diff --git a/xorg-server/glx/renderpixswap.c b/xorg-server/glx/renderpixswap.c index 9cd57410e..a73ed1e3c 100644 --- a/xorg-server/glx/renderpixswap.c +++ b/xorg-server/glx/renderpixswap.c @@ -30,6 +30,10 @@ #ifdef HAVE_DIX_CONFIG_H #include <dix-config.h> +#else + +#include "glheader.h" + #endif #include "glxserver.h" diff --git a/xorg-server/glx/rensize.c b/xorg-server/glx/rensize.c index 8a58e08d7..6b85dc116 100644 --- a/xorg-server/glx/rensize.c +++ b/xorg-server/glx/rensize.c @@ -30,6 +30,10 @@ #ifdef HAVE_DIX_CONFIG_H #include <dix-config.h> +#else + +#include "glheader.h" + #endif #include <GL/gl.h> @@ -219,7 +223,9 @@ int __glXImageSize( GLenum format, GLenum type, GLenum target, case GL_422_AVERAGE_EXT: case GL_422_REV_AVERAGE_EXT: case GL_DEPTH_STENCIL_NV: +#ifndef _MSC_VER case GL_DEPTH_STENCIL_MESA: +#endif case GL_YCBCR_MESA: case GL_LUMINANCE_ALPHA: elementsPerGroup = 2; @@ -258,11 +264,13 @@ int __glXImageSize( GLenum format, GLenum type, GLenum target, case GL_UNSIGNED_SHORT_1_5_5_5_REV: case GL_UNSIGNED_SHORT_8_8_APPLE: case GL_UNSIGNED_SHORT_8_8_REV_APPLE: +#ifndef _MSC_VER case GL_UNSIGNED_SHORT_15_1_MESA: case GL_UNSIGNED_SHORT_1_15_REV_MESA: bytesPerElement = 2; elementsPerGroup = 1; break; +#endif case GL_INT: case GL_UNSIGNED_INT: case GL_FLOAT: @@ -273,8 +281,10 @@ int __glXImageSize( GLenum format, GLenum type, GLenum target, case GL_UNSIGNED_INT_10_10_10_2: case GL_UNSIGNED_INT_2_10_10_10_REV: case GL_UNSIGNED_INT_24_8_NV: +#ifndef _MSC_VER case GL_UNSIGNED_INT_24_8_MESA: case GL_UNSIGNED_INT_8_24_REV_MESA: +#endif bytesPerElement = 4; elementsPerGroup = 1; break; diff --git a/xorg-server/glx/single2.c b/xorg-server/glx/single2.c index 50a59ed71..f6e474c46 100644 --- a/xorg-server/glx/single2.c +++ b/xorg-server/glx/single2.c @@ -30,6 +30,10 @@ #ifdef HAVE_DIX_CONFIG_H #include <dix-config.h> +#else + +#include "glheader.h" + #endif #include <string.h> diff --git a/xorg-server/glx/single2swap.c b/xorg-server/glx/single2swap.c index cf83bdc88..e27e97aee 100644 --- a/xorg-server/glx/single2swap.c +++ b/xorg-server/glx/single2swap.c @@ -30,6 +30,10 @@ #ifdef HAVE_DIX_CONFIG_H #include <dix-config.h> +#else + +#include "glheader.h" + #endif #include "glxserver.h" diff --git a/xorg-server/glx/singlepix.c b/xorg-server/glx/singlepix.c index a0a6a7918..656f1ec5e 100644 --- a/xorg-server/glx/singlepix.c +++ b/xorg-server/glx/singlepix.c @@ -30,6 +30,10 @@ #ifdef HAVE_DIX_CONFIG_H #include <dix-config.h> +#else + +#include "glheader.h" + #endif #include "glxserver.h" diff --git a/xorg-server/glx/singlepixswap.c b/xorg-server/glx/singlepixswap.c index a7febc9a6..c7d2d1562 100644 --- a/xorg-server/glx/singlepixswap.c +++ b/xorg-server/glx/singlepixswap.c @@ -30,6 +30,10 @@ #ifdef HAVE_DIX_CONFIG_H #include <dix-config.h> +#else + +#include "glheader.h" + #endif #include "glxserver.h" diff --git a/xorg-server/glx/singlesize.c b/xorg-server/glx/singlesize.c index 9e95dd3d3..a9a2be66b 100644 --- a/xorg-server/glx/singlesize.c +++ b/xorg-server/glx/singlesize.c @@ -30,6 +30,10 @@ #ifdef HAVE_DIX_CONFIG_H #include <dix-config.h> +#else + +#include "glheader.h" + #endif #include <GL/gl.h> diff --git a/xorg-server/glx/swap_interval.c b/xorg-server/glx/swap_interval.c index 3a5242022..03f83cb89 100644 --- a/xorg-server/glx/swap_interval.c +++ b/xorg-server/glx/swap_interval.c @@ -24,6 +24,10 @@ #ifdef HAVE_DIX_CONFIG_H #include <dix-config.h> +#else + +#include "glheader.h" + #endif #include "glxserver.h" @@ -53,7 +57,7 @@ int DoSwapInterval(__GLXclientState *cl, GLbyte *pc, int do_swap) cx = __glXLookupContextByTag(cl, tag); - LogMessage(X_ERROR, "%s: cx = %p, GLX screen = %p\n", __func__, + LogMessage(X_ERROR, "%s: cx = %p, GLX screen = %p\n", __FUNCTION__ , cx, (cx == NULL) ? NULL : cx->pGlxScreen); if ((cx == NULL) || (cx->pGlxScreen == NULL)) { client->errorValue = tag; diff --git a/xorg-server/glx/xfont.c b/xorg-server/glx/xfont.c index b8b466d87..2af5996f3 100644 --- a/xorg-server/glx/xfont.c +++ b/xorg-server/glx/xfont.c @@ -30,6 +30,10 @@ #ifdef HAVE_DIX_CONFIG_H #include <dix-config.h> +#else + +#include "glheader.h" + #endif #include "glxserver.h" |