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authorReinhard Tartler <siretart@tauware.de>2011-10-10 17:43:39 +0200
committerReinhard Tartler <siretart@tauware.de>2011-10-10 17:43:39 +0200
commitf4092abdf94af6a99aff944d6264bc1284e8bdd4 (patch)
tree2ac1c9cc16ceb93edb2c4382c088dac5aeafdf0f /nx-X11/programs/Xserver/hw/dmx/glxProxy/glxext.c
parenta840692edc9c6d19cd7c057f68e39c7d95eb767d (diff)
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Imported nx-X11-3.1.0-1.tar.gznx-X11/3.1.0-1
Summary: Imported nx-X11-3.1.0-1.tar.gz Keywords: Imported nx-X11-3.1.0-1.tar.gz into Git repository
Diffstat (limited to 'nx-X11/programs/Xserver/hw/dmx/glxProxy/glxext.c')
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diff --git a/nx-X11/programs/Xserver/hw/dmx/glxProxy/glxext.c b/nx-X11/programs/Xserver/hw/dmx/glxProxy/glxext.c
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+/* $XFree86: xc/programs/Xserver/GL/glx/glxext.c,v 1.7 2001/03/21 16:29:36 dawes 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.
+**
+*/
+
+#ifdef HAVE_DMX_CONFIG_H
+#include <dmx-config.h>
+#endif
+
+#include "dmx.h"
+
+#define NEED_REPLIES
+#include "glxserver.h"
+#include <windowstr.h>
+#include <propertyst.h>
+#include <os.h>
+#include "g_disptab.h"
+#include "glxutil.h"
+#include "glxext.h"
+#include "glxvisuals.h"
+#include "micmap.h"
+#include "glxswap.h"
+
+/*
+** Forward declarations.
+*/
+static int __glXSwapDispatch(ClientPtr);
+static int __glXDispatch(ClientPtr);
+
+/*
+** Called when the extension is reset.
+*/
+static void ResetExtension(ExtensionEntry* extEntry)
+{
+ __glXFlushContextCache();
+ __glXScreenReset();
+ SwapBarrierReset();
+}
+
+/*
+** Initialize the per-client context storage.
+*/
+static void ResetClientState(int clientIndex)
+{
+ __GLXclientState *cl = __glXClients[clientIndex];
+ Display **keep_be_displays;
+ int i;
+
+ if (cl->returnBuf) __glXFree(cl->returnBuf);
+ if (cl->currentContexts) __glXFree(cl->currentContexts);
+ if (cl->currentDrawables) __glXFree(cl->currentDrawables);
+ if (cl->largeCmdBuf) __glXFree(cl->largeCmdBuf);
+
+ for (i=0; i< screenInfo.numScreens; i++) {
+ if (cl->be_displays[i])
+ XCloseDisplay( cl->be_displays[i] );
+ }
+
+ keep_be_displays = cl->be_displays;
+ __glXMemset(cl, 0, sizeof(__GLXclientState));
+ cl->be_displays = keep_be_displays;
+
+ /*
+ ** By default, assume that the client supports
+ ** GLX major version 1 minor version 0 protocol.
+ */
+ cl->GLClientmajorVersion = 1;
+ cl->GLClientminorVersion = 0;
+ if (cl->GLClientextensions) __glXFree(cl->GLClientextensions);
+
+ __glXMemset(cl->be_displays, 0, screenInfo.numScreens * sizeof(Display *));
+}
+
+
+/*
+** This procedure is called when the client who created the context goes
+** away OR when glXDestroyContext is called. In either case, all we do is
+** flag that the ID is no longer valid, and (maybe) free the context.
+** use.
+*/
+static int ContextGone(__GLXcontext* cx, XID id)
+{
+ cx->idExists = GL_FALSE;
+ if (!cx->isCurrent) {
+ __glXFreeContext(cx);
+ }
+
+ return True;
+}
+
+/*
+** Free a client's state.
+*/
+static int ClientGone(int clientIndex, XID id)
+{
+ __GLXcontext *cx;
+ __GLXclientState *cl = __glXClients[clientIndex];
+ int i;
+
+ if (cl) {
+ /*
+ ** Free all the contexts that are current for this client.
+ */
+ for (i=0; i < cl->numCurrentContexts; i++) {
+ cx = cl->currentContexts[i];
+ if (cx) {
+ cx->isCurrent = GL_FALSE;
+ if (!cx->idExists) {
+ __glXFreeContext(cx);
+ }
+ }
+ }
+ /*
+ ** Re-initialize the client state structure. Don't free it because
+ ** we'll probably get another client with this index and use the struct
+ ** again. There is a maximum of MAXCLIENTS of these structures.
+ */
+ ResetClientState(clientIndex);
+ }
+
+ return True;
+}
+
+/*
+** Free a GLX Pixmap.
+*/
+void __glXFreeGLXPixmap( __GLXpixmap *pGlxPixmap )
+{
+ if (!pGlxPixmap->idExists &&
+ !pGlxPixmap->refcnt) {
+
+ PixmapPtr pPixmap = (PixmapPtr) pGlxPixmap->pDraw;
+
+ /*
+ ** The DestroyPixmap routine should decrement the refcount and free
+ ** only if it's zero.
+ */
+ (*pGlxPixmap->pScreen->DestroyPixmap)(pPixmap);
+ __glXFree(pGlxPixmap->be_xids);
+ __glXFree(pGlxPixmap);
+ }
+
+}
+
+static int PixmapGone(__GLXpixmap *pGlxPixmap, XID id)
+{
+
+ pGlxPixmap->idExists = False;
+ __glXFreeGLXPixmap( pGlxPixmap );
+
+ return True;
+}
+
+void __glXFreeGLXWindow(__glXWindow *pGlxWindow)
+{
+ if (!pGlxWindow->idExists && !pGlxWindow->refcnt) {
+ WindowPtr pWindow = (WindowPtr) pGlxWindow->pDraw;
+
+ if (LookupIDByType(pWindow->drawable.id, RT_WINDOW) == pWindow) {
+ (*pGlxWindow->pScreen->DestroyWindow)(pWindow);
+ }
+
+ xfree(pGlxWindow);
+ }
+}
+
+static void WindowGone(__glXWindow *pGlxWindow, XID id)
+{
+ pGlxWindow->idExists = False;
+ __glXFreeGLXWindow(pGlxWindow);
+}
+
+void __glXFreeGLXPbuffer(__glXPbuffer *pGlxPbuffer)
+{
+ if (!pGlxPbuffer->idExists && !pGlxPbuffer->refcnt) {
+ xfree(pGlxPbuffer->be_xids);
+ xfree(pGlxPbuffer);
+ }
+}
+
+static void PbufferGone(__glXPbuffer *pGlxPbuffer, XID id)
+{
+ pGlxPbuffer->idExists = False;
+ __glXFreeGLXPbuffer(pGlxPbuffer);
+}
+
+/*
+** Free a context.
+*/
+GLboolean __glXFreeContext(__GLXcontext *cx)
+{
+ if (cx->idExists || cx->isCurrent) return GL_FALSE;
+
+ if (cx->feedbackBuf) __glXFree(cx->feedbackBuf);
+ if (cx->selectBuf) __glXFree(cx->selectBuf);
+ if (cx->real_ids) __glXFree(cx->real_ids);
+ if (cx->real_vids) __glXFree(cx->real_vids);
+
+ if (cx->pGlxPixmap) {
+ /*
+ ** The previous drawable was a glx pixmap, release it.
+ */
+ cx->pGlxPixmap->refcnt--;
+ __glXFreeGLXPixmap( cx->pGlxPixmap );
+ cx->pGlxPixmap = 0;
+ }
+
+ if (cx->pGlxReadPixmap) {
+ /*
+ ** The previous drawable was a glx pixmap, release it.
+ */
+ cx->pGlxReadPixmap->refcnt--;
+ __glXFreeGLXPixmap( cx->pGlxReadPixmap );
+ cx->pGlxReadPixmap = 0;
+ }
+
+ if (cx->pGlxWindow) {
+ /*
+ ** The previous drawable was a glx window, release it.
+ */
+ cx->pGlxWindow->refcnt--;
+ __glXFreeGLXWindow( cx->pGlxWindow );
+ cx->pGlxWindow = 0;
+ }
+
+ if (cx->pGlxReadWindow) {
+ /*
+ ** The previous drawable was a glx window, release it.
+ */
+ cx->pGlxReadWindow->refcnt--;
+ __glXFreeGLXWindow( cx->pGlxReadWindow );
+ cx->pGlxReadWindow = 0;
+ }
+
+ __glXFree(cx);
+
+ if (cx == __glXLastContext) {
+ __glXFlushContextCache();
+ }
+
+ return GL_TRUE;
+}
+
+/*
+** Initialize the GLX extension.
+*/
+void GlxExtensionInit(void)
+{
+ ExtensionEntry *extEntry;
+ int i;
+ int glxSupported = 1;
+
+ /*
+ // do not initialize GLX extension if GLX is not supported
+ // by ALL back-end servers.
+ */
+ for (i=0; i<screenInfo.numScreens; i++) {
+ glxSupported &= (dmxScreens[i].glxMajorOpcode > 0);
+ }
+
+ if (!glxSupported || !dmxGLXProxy) {
+ return;
+ }
+
+ __glXContextRes = CreateNewResourceType((DeleteType)ContextGone);
+ __glXClientRes = CreateNewResourceType((DeleteType)ClientGone);
+ __glXPixmapRes = CreateNewResourceType((DeleteType)PixmapGone);
+ __glXWindowRes = CreateNewResourceType((DeleteType)WindowGone);
+ __glXPbufferRes = CreateNewResourceType((DeleteType)PbufferGone);
+
+ /*
+ ** Add extension to server extensions.
+ */
+ extEntry = AddExtension(GLX_EXTENSION_NAME, __GLX_NUMBER_EVENTS,
+ __GLX_NUMBER_ERRORS, __glXDispatch,
+ __glXSwapDispatch, ResetExtension,
+ StandardMinorOpcode);
+ if (!extEntry) {
+ FatalError("__glXExtensionInit: AddExtensions failed\n");
+ return;
+ }
+ /*
+ if (!AddExtensionAlias(GLX_EXTENSION_ALIAS, extEntry)) {
+ ErrorF("__glXExtensionInit: AddExtensionAlias failed\n");
+ return;
+ }
+ */
+
+ __glXerrorBase = extEntry->errorBase;
+ __glXBadContext = extEntry->errorBase + GLXBadContext;
+ __glXBadContextState = extEntry->errorBase + GLXBadContextState;
+ __glXBadDrawable = extEntry->errorBase + GLXBadDrawable;
+ __glXBadPixmap = extEntry->errorBase + GLXBadPixmap;
+ __glXBadContextTag = extEntry->errorBase + GLXBadContextTag;
+ __glXBadCurrentWindow = extEntry->errorBase + GLXBadCurrentWindow;
+ __glXBadRenderRequest = extEntry->errorBase + GLXBadRenderRequest;
+ __glXBadLargeRequest = extEntry->errorBase + GLXBadLargeRequest;
+ __glXUnsupportedPrivateRequest = extEntry->errorBase +
+ GLXUnsupportedPrivateRequest;
+ __glXBadFBConfig = extEntry->errorBase + GLXBadFBConfig;
+ __glXBadPbuffer = extEntry->errorBase + GLXBadPbuffer;
+
+ /*
+ ** Initialize table of client state. There is never a client 0.
+ */
+ for (i=1; i <= MAXCLIENTS; i++) {
+ __glXClients[i] = 0;
+ }
+
+ /*
+ ** Initialize screen specific data.
+ */
+ __glXScreenInit(screenInfo.numScreens);
+
+ /*
+ ** Initialize swap barrier support.
+ */
+ SwapBarrierInit();
+}
+
+/************************************************************************/
+
+Bool __glXCoreType(void)
+{
+ return 0;
+}
+
+/************************************************************************/
+
+void GlxSetVisualConfigs(int nconfigs,
+ __GLXvisualConfig *configs, void **privates)
+{
+ glxSetVisualConfigs(nconfigs, configs, privates);
+}
+
+static miInitVisualsProcPtr saveInitVisualsProc;
+
+Bool GlxInitVisuals(VisualPtr *visualp, DepthPtr *depthp,
+ int *nvisualp, int *ndepthp,
+ int *rootDepthp, VisualID *defaultVisp,
+ unsigned long sizes, int bitsPerRGB,
+ int preferredVis)
+{
+ Bool ret;
+
+ if (saveInitVisualsProc) {
+ ret = saveInitVisualsProc(visualp, depthp, nvisualp, ndepthp,
+ rootDepthp, defaultVisp, sizes, bitsPerRGB,
+ preferredVis);
+ if (!ret)
+ return False;
+ }
+
+ glxInitVisuals(nvisualp, visualp, defaultVisp, *ndepthp, *depthp,*rootDepthp);
+
+ return True;
+}
+
+void
+GlxWrapInitVisuals(miInitVisualsProcPtr *initVisProc)
+{
+ if (dmxGLXProxy) {
+ saveInitVisualsProc = *initVisProc;
+ *initVisProc = GlxInitVisuals;
+ }
+}
+
+/************************************************************************/
+
+void __glXFlushContextCache(void)
+{
+ __glXLastContext = 0;
+}
+
+/************************************************************************/
+
+/*
+** Top level dispatcher; all commands are executed from here down.
+*/
+static int __glXDispatch(ClientPtr client)
+{
+ REQUEST(xGLXSingleReq);
+ CARD8 opcode;
+ int (*proc)(__GLXclientState *cl, GLbyte *pc);
+ __GLXclientState *cl;
+
+ opcode = stuff->glxCode;
+ cl = __glXClients[client->index];
+ if (!cl) {
+ cl = (__GLXclientState *) __glXMalloc(sizeof(__GLXclientState));
+ __glXClients[client->index] = cl;
+ if (!cl) {
+ return BadAlloc;
+ }
+ __glXMemset(cl, 0, sizeof(__GLXclientState));
+
+ cl->be_displays = (Display **) __glXMalloc( screenInfo.numScreens * sizeof(Display *) );
+ if (!cl->be_displays) {
+ __glXFree( cl );
+ return BadAlloc;
+ }
+ __glXMemset(cl->be_displays, 0, screenInfo.numScreens * sizeof(Display *));
+ }
+
+ if (!cl->inUse) {
+ /*
+ ** This is first request from this client. Associate a resource
+ ** with the client so we will be notified when the client dies.
+ */
+ XID xid = FakeClientID(client->index);
+ if (!AddResource( xid, __glXClientRes, (pointer)(long)client->index)) {
+ return BadAlloc;
+ }
+ ResetClientState(client->index);
+ cl->largeCmdRequestsTotal = 0;
+ cl->inUse = GL_TRUE;
+ cl->client = client;
+ }
+
+ /*
+ ** Check for valid opcode.
+ */
+ if (opcode >= __GLX_SINGLE_TABLE_SIZE) {
+ return BadRequest;
+ }
+
+ /*
+ ** Use the opcode to index into the procedure table.
+ */
+ proc = __glXSingleTable[opcode];
+ return (*proc)(cl, (GLbyte *) stuff);
+}
+
+static int __glXSwapDispatch(ClientPtr client)
+{
+ REQUEST(xGLXSingleReq);
+ CARD8 opcode;
+ int (*proc)(__GLXclientState *cl, GLbyte *pc);
+ __GLXclientState *cl;
+
+ opcode = stuff->glxCode;
+ cl = __glXClients[client->index];
+ if (!cl) {
+ cl = (__GLXclientState *) __glXMalloc(sizeof(__GLXclientState));
+ __glXClients[client->index] = cl;
+ if (!cl) {
+ return BadAlloc;
+ }
+ __glXMemset(cl, 0, sizeof(__GLXclientState));
+
+ cl->be_displays = (Display **) __glXMalloc( screenInfo.numScreens * sizeof(Display *) );
+ if (!cl->be_displays) {
+ __glXFree( cl );
+ return BadAlloc;
+ }
+
+ __glXMemset(cl->be_displays, 0, screenInfo.numScreens * sizeof(Display *));
+ }
+
+ 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;
+}
+