aboutsummaryrefslogtreecommitdiff
path: root/nx-X11/programs/Xserver/hw/nxagent/NXglxext.c.XF86.original
diff options
context:
space:
mode:
Diffstat (limited to 'nx-X11/programs/Xserver/hw/nxagent/NXglxext.c.XF86.original')
-rw-r--r--nx-X11/programs/Xserver/hw/nxagent/NXglxext.c.XF86.original489
1 files changed, 0 insertions, 489 deletions
diff --git a/nx-X11/programs/Xserver/hw/nxagent/NXglxext.c.XF86.original b/nx-X11/programs/Xserver/hw/nxagent/NXglxext.c.XF86.original
deleted file mode 100644
index 95a9c2e6e..000000000
--- a/nx-X11/programs/Xserver/hw/nxagent/NXglxext.c.XF86.original
+++ /dev/null
@@ -1,489 +0,0 @@
-/* $XFree86: xc/programs/Xserver/GL/glx/glxext.c,v 1.8 2001/08/23 18:25:40 alanh Exp $
-** The contents of this file are subject to the GLX Public License Version 1.0
-** (the "License"). You may not use this file except in compliance with the
-** License. You may obtain a copy of the License at Silicon Graphics, Inc.,
-** attn: Legal Services, 2011 N. Shoreline Blvd., Mountain View, CA 94043
-** or at http://www.sgi.com/software/opensource/glx/license.html.
-**
-** Software distributed under the License is distributed on an "AS IS"
-** basis. ALL WARRANTIES ARE DISCLAIMED, INCLUDING, WITHOUT LIMITATION, ANY
-** IMPLIED WARRANTIES OF MERCHANTABILITY, OF FITNESS FOR A PARTICULAR
-** PURPOSE OR OF NON- INFRINGEMENT. See the License for the specific
-** language governing rights and limitations under the License.
-**
-** The Original Software is GLX version 1.2 source code, released February,
-** 1999. The developer of the Original Software is Silicon Graphics, Inc.
-** Those portions of the Subject Software created by Silicon Graphics, Inc.
-** are Copyright (c) 1991-9 Silicon Graphics, Inc. All Rights Reserved.
-**
-*/
-
-#define NEED_REPLIES
-#include "glxserver.h"
-#include <windowstr.h>
-#include <propertyst.h>
-#include <os.h>
-#include "g_disptab.h"
-#include "unpack.h"
-#include "glxutil.h"
-#include "glxext.h"
-#include "micmap.h"
-
-
-extern __GLXextensionInfo __glDDXExtensionInfo;
-
-__GLXextensionInfo *__glXExt = &__glDDXExtensionInfo;
-
-/*
-** Forward declarations.
-*/
-static int __glXSwapDispatch(ClientPtr);
-static int __glXDispatch(ClientPtr);
-
-/*
-** Called when the extension is reset.
-*/
-static void ResetExtension(ExtensionEntry* extEntry)
-{
- __glXFlushContextCache();
- (*__glXExt->resetExtension)();
- __glXScreenReset();
-}
-
-/*
-** Initialize the per-client context storage.
-*/
-static void ResetClientState(int clientIndex)
-{
- __GLXclientState *cl = __glXClients[clientIndex];
-
- if (cl->returnBuf) __glXFree(cl->returnBuf);
- if (cl->largeCmdBuf) __glXFree(cl->largeCmdBuf);
- if (cl->currentContexts) __glXFree(cl->currentContexts);
- __glXMemset(cl, 0, sizeof(__GLXclientState));
- /*
- ** By default, assume that the client supports
- ** GLX major version 1 minor version 0 protocol.
- */
- cl->GLClientmajorVersion = 1;
- cl->GLClientminorVersion = 0;
- if (cl->GLClientextensions) __glXFree(cl->GLClientextensions);
-
-}
-
-/*
-** Reset state used to keep track of large (multi-request) commands.
-*/
-void __glXResetLargeCommandStatus(__GLXclientState *cl)
-{
- cl->largeCmdBytesSoFar = 0;
- cl->largeCmdBytesTotal = 0;
- cl->largeCmdRequestsSoFar = 0;
- cl->largeCmdRequestsTotal = 0;
-}
-
-/*
-** This procedure is called when the client who created the context goes
-** away OR when glXDestroyContext is called. In either case, all we do is
-** flag that the ID is no longer valid, and (maybe) free the context.
-** use.
-*/
-static int ContextGone(__GLXcontext* cx, XID id)
-{
- cx->idExists = GL_FALSE;
- if (!cx->isCurrent) {
- __glXFreeContext(cx);
- }
-
- return True;
-}
-
-/*
-** Free a client's state.
-*/
-static int ClientGone(int clientIndex, XID id)
-{
- __GLXcontext *cx;
- __GLXclientState *cl = __glXClients[clientIndex];
- int i;
-
- if (cl) {
- /*
- ** Free all the contexts that are current for this client.
- */
- for (i=0; i < cl->numCurrentContexts; i++) {
- cx = cl->currentContexts[i];
- if (cx) {
- __glXDeassociateContext(cx, cx->glxPriv);
- cx->isCurrent = GL_FALSE;
- if (!cx->idExists) {
- __glXFreeContext(cx);
- }
- }
- }
- /*
- ** Re-initialize the client state structure. Don't free it because
- ** we'll probably get another client with this index and use the struct
- ** again. There is a maximum of MAXCLIENTS of these structures.
- */
- ResetClientState(clientIndex);
- }
-
- return True;
-}
-
-/*
-** Free a GLX Pixmap.
-*/
-static int PixmapGone(__GLXpixmap *pGlxPixmap, XID id)
-{
- PixmapPtr pPixmap = (PixmapPtr) pGlxPixmap->pDraw;
-
- pGlxPixmap->idExists = False;
- if (!pGlxPixmap->refcnt) {
- /*
- ** The DestroyPixmap routine should decrement the refcount and free
- ** only if it's zero.
- */
- (*pGlxPixmap->pScreen->DestroyPixmap)(pPixmap);
- __glXFree(pGlxPixmap);
- }
-
- return True;
-}
-
-/*
-** Free a context.
-*/
-GLboolean __glXFreeContext(__GLXcontext *cx)
-{
- if (cx->idExists || cx->isCurrent) return GL_FALSE;
-
- if (!cx->isDirect) {
- if ((*cx->gc->exports.destroyContext)((__GLcontext *)cx->gc) == GL_FALSE) {
- return GL_FALSE;
- }
- }
- if (cx->feedbackBuf) __glXFree(cx->feedbackBuf);
- if (cx->selectBuf) __glXFree(cx->selectBuf);
- __glXFree(cx);
- if (cx == __glXLastContext) {
- __glXFlushContextCache();
- }
-
- return GL_TRUE;
-}
-
-/************************************************************************/
-
-/*
-** These routines can be used to check whether a particular GL command
-** has caused an error. Specifically, we use them to check whether a
-** given query has caused an error, in which case a zero-length data
-** reply is sent to the client.
-*/
-
-static GLboolean errorOccured = GL_FALSE;
-
-/*
-** The GL was will call this routine if an error occurs.
-*/
-void __glXErrorCallBack(__GLinterface *gc, GLenum code)
-{
- errorOccured = GL_TRUE;
-}
-
-/*
-** Clear the error flag before calling the GL command.
-*/
-void __glXClearErrorOccured(void)
-{
- errorOccured = GL_FALSE;
-}
-
-/*
-** Check if the GL command caused an error.
-*/
-GLboolean __glXErrorOccured(void)
-{
- return errorOccured;
-}
-
-/************************************************************************/
-
-/*
-** Initialize the GLX extension.
-*/
-void GlxExtensionInit(void)
-{
- ExtensionEntry *extEntry;
- int i;
-
-#ifdef X11R5
- __glXContextRes = CreateNewResourceType(ContextGone);
- __glXClientRes = CreateNewResourceType(ClientGone);
- __glXPixmapRes = CreateNewResourceType(PixmapGone);
-#else
- __glXContextRes = CreateNewResourceType((DeleteType)ContextGone);
- __glXClientRes = CreateNewResourceType((DeleteType)ClientGone);
- __glXPixmapRes = CreateNewResourceType((DeleteType)PixmapGone);
-#endif
-
- /*
- ** Add extension to server extensions.
- */
- extEntry = AddExtension(GLX_EXTENSION_NAME, __GLX_NUMBER_EVENTS,
- __GLX_NUMBER_ERRORS, __glXDispatch,
- __glXSwapDispatch, ResetExtension,
- StandardMinorOpcode);
- if (!extEntry) {
- FatalError("__glXExtensionInit: AddExtensions failed\n");
- return;
- }
- if (!AddExtensionAlias(GLX_EXTENSION_ALIAS, extEntry)) {
- ErrorF("__glXExtensionInit: AddExtensionAlias failed\n");
- return;
- }
-
- __glXBadContext = extEntry->errorBase + GLXBadContext;
- __glXBadContextState = extEntry->errorBase + GLXBadContextState;
- __glXBadDrawable = extEntry->errorBase + GLXBadDrawable;
- __glXBadPixmap = extEntry->errorBase + GLXBadPixmap;
- __glXBadContextTag = extEntry->errorBase + GLXBadContextTag;
- __glXBadCurrentWindow = extEntry->errorBase + GLXBadCurrentWindow;
- __glXBadRenderRequest = extEntry->errorBase + GLXBadRenderRequest;
- __glXBadLargeRequest = extEntry->errorBase + GLXBadLargeRequest;
- __glXUnsupportedPrivateRequest = extEntry->errorBase +
- GLXUnsupportedPrivateRequest;
-
- /*
- ** Initialize table of client state. There is never a client 0.
- */
- for (i=1; i <= MAXCLIENTS; i++) {
- __glXClients[i] = 0;
- }
-
- /*
- ** Initialize screen specific data.
- */
- __glXScreenInit(screenInfo.numScreens);
-}
-
-/************************************************************************/
-
-Bool __glXCoreType(void)
-{
- return __glXExt->type;
-}
-
-/************************************************************************/
-
-void GlxSetVisualConfigs(int nconfigs,
- __GLXvisualConfig *configs, void **privates)
-{
- (*__glXExt->setVisualConfigs)(nconfigs, configs, privates);
-}
-
-static miInitVisualsProcPtr saveInitVisualsProc;
-
-Bool GlxInitVisuals(VisualPtr *visualp, DepthPtr *depthp,
- int *nvisualp, int *ndepthp,
- int *rootDepthp, VisualID *defaultVisp,
- unsigned long sizes, int bitsPerRGB,
- int preferredVis)
-{
- Bool ret;
-
- if (saveInitVisualsProc) {
- ret = saveInitVisualsProc(visualp, depthp, nvisualp, ndepthp,
- rootDepthp, defaultVisp, sizes, bitsPerRGB,
- preferredVis);
- if (!ret)
- return False;
- }
- (*__glXExt->initVisuals)(visualp, depthp, nvisualp, ndepthp, rootDepthp,
- defaultVisp, sizes, bitsPerRGB);
- return True;
-}
-
-void
-GlxWrapInitVisuals(miInitVisualsProcPtr *initVisProc)
-{
- saveInitVisualsProc = *initVisProc;
- *initVisProc = GlxInitVisuals;
-}
-
-/************************************************************************/
-
-void __glXFlushContextCache(void)
-{
- __glXLastContext = 0;
-}
-
-/*
-** Make a context the current one for the GL (in this implementation, there
-** is only one instance of the GL, and we use it to serve all GL clients by
-** switching it between different contexts). While we are at it, look up
-** a context by its tag and return its (__GLXcontext *).
-*/
-__GLXcontext *__glXForceCurrent(__GLXclientState *cl, GLXContextTag tag,
- int *error)
-{
- __GLXcontext *cx;
-
- /*
- ** See if the context tag is legal; it is managed by the extension,
- ** so if it's invalid, we have an implementation error.
- */
- cx = (__GLXcontext *) __glXLookupContextByTag(cl, tag);
- if (!cx) {
- cl->client->errorValue = tag;
- *error = __glXBadContextTag;
- return 0;
- }
-
- if (!cx->isDirect) {
- if (cx->glxPriv == NULL) {
- /*
- ** The drawable has vanished. It must be a window, because only
- ** windows can be destroyed from under us; GLX pixmaps are
- ** refcounted and don't go away until no one is using them.
- */
- *error = __glXBadCurrentWindow;
- return 0;
- }
- }
-
- if (cx == __glXLastContext) {
- /* No need to re-bind */
- return cx;
- }
-
- /* Make this context the current one for the GL. */
- if (!cx->isDirect) {
- if (!(*cx->gc->exports.forceCurrent)((__GLcontext *)cx->gc)) {
- /* Bind failed, and set the error code. Bummer */
- cl->client->errorValue = cx->id;
- *error = __glXBadContextState;
- return 0;
- }
- }
- __glXLastContext = cx;
- return cx;
-}
-
-/************************************************************************/
-
-/*
-** Top level dispatcher; all commands are executed from here down.
-*/
-static int __glXDispatch(ClientPtr client)
-{
- REQUEST(xGLXSingleReq);
- CARD8 opcode;
- int (*proc)(__GLXclientState *cl, GLbyte *pc);
- __GLXclientState *cl;
-
- opcode = stuff->glxCode;
- cl = __glXClients[client->index];
- if (!cl) {
- cl = (__GLXclientState *) __glXMalloc(sizeof(__GLXclientState));
- __glXClients[client->index] = cl;
- if (!cl) {
- return BadAlloc;
- }
- __glXMemset(cl, 0, sizeof(__GLXclientState));
- }
-
- if (!cl->inUse) {
- /*
- ** This is first request from this client. Associate a resource
- ** with the client so we will be notified when the client dies.
- */
- XID xid = FakeClientID(client->index);
- if (!AddResource( xid, __glXClientRes, (pointer)(long)client->index)) {
- return BadAlloc;
- }
- ResetClientState(client->index);
- cl->inUse = GL_TRUE;
- cl->client = client;
- }
-
- /*
- ** Check for valid opcode.
- */
- if (opcode >= __GLX_SINGLE_TABLE_SIZE) {
- return BadRequest;
- }
-
- /*
- ** If we're expecting a glXRenderLarge request, this better be one.
- */
- if ((cl->largeCmdRequestsSoFar != 0) && (opcode != X_GLXRenderLarge)) {
- client->errorValue = stuff->glxCode;
- return __glXBadLargeRequest;
- }
-
- /*
- ** Use the opcode to index into the procedure table.
- */
- proc = __glXSingleTable[opcode];
- return (*proc)(cl, (GLbyte *) stuff);
-}
-
-static int __glXSwapDispatch(ClientPtr client)
-{
- REQUEST(xGLXSingleReq);
- CARD8 opcode;
- int (*proc)(__GLXclientState *cl, GLbyte *pc);
- __GLXclientState *cl;
-
- opcode = stuff->glxCode;
- cl = __glXClients[client->index];
- if (!cl) {
- cl = (__GLXclientState *) __glXMalloc(sizeof(__GLXclientState));
- __glXClients[client->index] = cl;
- if (!cl) {
- return BadAlloc;
- }
- __glXMemset(cl, 0, sizeof(__GLXclientState));
- }
-
- if (!cl->inUse) {
- /*
- ** This is first request from this client. Associate a resource
- ** with the client so we will be notified when the client dies.
- */
- XID xid = FakeClientID(client->index);
- if (!AddResource( xid, __glXClientRes, (pointer)(long)client->index)) {
- return BadAlloc;
- }
- ResetClientState(client->index);
- cl->inUse = GL_TRUE;
- cl->client = client;
- }
-
- /*
- ** Check for valid opcode.
- */
- if (opcode >= __GLX_SINGLE_TABLE_SIZE) {
- return BadRequest;
- }
-
- /*
- ** Use the opcode to index into the procedure table.
- */
- proc = __glXSwapSingleTable[opcode];
- return (*proc)(cl, (GLbyte *) stuff);
-}
-
-int __glXNoSuchSingleOpcode(__GLXclientState *cl, GLbyte *pc)
-{
- return BadRequest;
-}
-
-void __glXNoSuchRenderOpcode(GLbyte *pc)
-{
- return;
-}
-
generated by cgit v1.2.3 (git 2.25.1) at 2024-06-30 15:52:45 +0000