aboutsummaryrefslogtreecommitdiff
path: root/nx-X11/programs/Xserver/GL/glx/glxcmdsswap.c
diff options
context:
space:
mode:
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/GL/glx/glxcmdsswap.c
parenta840692edc9c6d19cd7c057f68e39c7d95eb767d (diff)
downloadnx-libs-f4092abdf94af6a99aff944d6264bc1284e8bdd4.tar.gz
nx-libs-f4092abdf94af6a99aff944d6264bc1284e8bdd4.tar.bz2
nx-libs-f4092abdf94af6a99aff944d6264bc1284e8bdd4.zip
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/GL/glx/glxcmdsswap.c')
-rw-r--r--nx-X11/programs/Xserver/GL/glx/glxcmdsswap.c871
1 files changed, 871 insertions, 0 deletions
diff --git a/nx-X11/programs/Xserver/GL/glx/glxcmdsswap.c b/nx-X11/programs/Xserver/GL/glx/glxcmdsswap.c
new file mode 100644
index 000000000..595e814e5
--- /dev/null
+++ b/nx-X11/programs/Xserver/GL/glx/glxcmdsswap.c
@@ -0,0 +1,871 @@
+/* $XFree86: xc/programs/Xserver/GL/glx/glxcmdsswap.c,v 1.10 2004/01/28 18:11:50 alanh Exp $ */
+/*
+** License Applicability. Except to the extent portions of this file are
+** made subject to an alternative license as permitted in the SGI Free
+** Software License B, Version 1.1 (the "License"), the contents of this
+** file are subject only to the provisions of 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, 1600
+** Amphitheatre Parkway, Mountain View, CA 94043-1351, or at:
+**
+** http://oss.sgi.com/projects/FreeB
+**
+** Note that, as provided in the License, the Software is distributed on an
+** "AS IS" basis, with ALL EXPRESS AND IMPLIED WARRANTIES AND CONDITIONS
+** DISCLAIMED, INCLUDING, WITHOUT LIMITATION, ANY IMPLIED WARRANTIES AND
+** CONDITIONS OF MERCHANTABILITY, SATISFACTORY QUALITY, FITNESS FOR A
+** PARTICULAR PURPOSE, AND NON-INFRINGEMENT.
+**
+** Original Code. The Original Code is: OpenGL Sample Implementation,
+** Version 1.2.1, released January 26, 2000, developed by Silicon Graphics,
+** Inc. The Original Code is Copyright (c) 1991-2000 Silicon Graphics, Inc.
+** Copyright in any portions created by third parties is as indicated
+** elsewhere herein. All Rights Reserved.
+**
+** Additional Notice Provisions: The application programming interfaces
+** established by SGI in conjunction with the Original Code are The
+** OpenGL(R) Graphics System: A Specification (Version 1.2.1), released
+** April 1, 1999; The OpenGL(R) Graphics System Utility Library (Version
+** 1.3), released November 4, 1998; and OpenGL(R) Graphics with the X
+** Window System(R) (Version 1.3), released October 19, 1998. This software
+** was created using the OpenGL(R) version 1.2.1 Sample Implementation
+** published by SGI, but has not been independently verified as being
+** compliant with the OpenGL(R) version 1.2.1 Specification.
+**
+*/
+
+#define NEED_REPLIES
+#define FONT_PCF
+#ifdef HAVE_DIX_CONFIG_H
+#include <dix-config.h>
+#endif
+
+#include "glxserver.h"
+#include "glxutil.h"
+#include <GL/glxtokens.h>
+#include <unpack.h>
+#include <g_disptab.h>
+#include <g_disptab_EXT.h>
+#include <pixmapstr.h>
+#include <windowstr.h>
+#include "glxext.h"
+#include "GL/glx_ansic.h"
+
+static int __glXSwapGetFBConfigsSGIX(__GLXclientState *cl, GLbyte *pc);
+static int __glXSwapCreateContextWithConfigSGIX(__GLXclientState *cl, GLbyte *pc);
+static int __glXSwapCreateGLXPixmapWithConfigSGIX(__GLXclientState *cl, GLbyte *pc);
+static int __glXSwapMakeCurrentReadSGI(__GLXclientState *cl, GLbyte *pc);
+
+/************************************************************************/
+
+/*
+** Byteswapping versions of GLX commands. In most cases they just swap
+** the incoming arguments and then call the unswapped routine. For commands
+** that have replies, a separate swapping routine for the reply is provided;
+** it is called at the end of the unswapped routine.
+*/
+
+int __glXSwapCreateContext(__GLXclientState *cl, GLbyte *pc)
+{
+ xGLXCreateContextReq *req = (xGLXCreateContextReq *) pc;
+ __GLX_DECLARE_SWAP_VARIABLES;
+
+ __GLX_SWAP_SHORT(&req->length);
+ __GLX_SWAP_INT(&req->context);
+ __GLX_SWAP_INT(&req->visual);
+ __GLX_SWAP_INT(&req->screen);
+ __GLX_SWAP_INT(&req->shareList);
+
+ return DoCreateContext( cl, req->context, req->shareList, req->visual,
+ req->screen, req->isDirect );
+}
+
+int __glXSwapCreateNewContext(__GLXclientState *cl, GLbyte *pc)
+{
+ xGLXCreateNewContextReq *req = (xGLXCreateNewContextReq *) pc;
+ __GLX_DECLARE_SWAP_VARIABLES;
+
+ __GLX_SWAP_SHORT(&req->length);
+ __GLX_SWAP_INT(&req->context);
+ __GLX_SWAP_INT(&req->fbconfig);
+ __GLX_SWAP_INT(&req->screen);
+ __GLX_SWAP_INT(&req->renderType);
+ __GLX_SWAP_INT(&req->shareList);
+
+ return DoCreateContext( cl, req->context, req->shareList, req->fbconfig,
+ req->screen, req->isDirect );
+}
+
+int __glXSwapCreateContextWithConfigSGIX(__GLXclientState *cl, GLbyte *pc)
+{
+ xGLXCreateContextWithConfigSGIXReq *req =
+ (xGLXCreateContextWithConfigSGIXReq *) pc;
+ __GLX_DECLARE_SWAP_VARIABLES;
+
+ __GLX_SWAP_SHORT(&req->length);
+ __GLX_SWAP_INT(&req->context);
+ __GLX_SWAP_INT(&req->fbconfig);
+ __GLX_SWAP_INT(&req->screen);
+ __GLX_SWAP_INT(&req->renderType);
+ __GLX_SWAP_INT(&req->shareList);
+
+ return DoCreateContext( cl, req->context, req->shareList, req->fbconfig,
+ req->screen, req->isDirect );
+}
+
+int __glXSwapDestroyContext(__GLXclientState *cl, GLbyte *pc)
+{
+ xGLXDestroyContextReq *req = (xGLXDestroyContextReq *) pc;
+ __GLX_DECLARE_SWAP_VARIABLES;
+
+ __GLX_SWAP_SHORT(&req->length);
+ __GLX_SWAP_INT(&req->context);
+
+ return __glXDestroyContext(cl, pc);
+}
+
+int __glXSwapMakeCurrent(__GLXclientState *cl, GLbyte *pc)
+{
+ xGLXMakeCurrentReq *req = (xGLXMakeCurrentReq *) pc;
+ __GLX_DECLARE_SWAP_VARIABLES;
+
+ __GLX_SWAP_SHORT(&req->length);
+ __GLX_SWAP_INT(&req->drawable);
+ __GLX_SWAP_INT(&req->context);
+ __GLX_SWAP_INT(&req->oldContextTag);
+
+ return DoMakeCurrent( cl, req->drawable, req->drawable,
+ req->context, req->oldContextTag );
+}
+
+int __glXSwapMakeContextCurrent(__GLXclientState *cl, GLbyte *pc)
+{
+ xGLXMakeContextCurrentReq *req = (xGLXMakeContextCurrentReq *) pc;
+ __GLX_DECLARE_SWAP_VARIABLES;
+
+ __GLX_SWAP_SHORT(&req->length);
+ __GLX_SWAP_INT(&req->drawable);
+ __GLX_SWAP_INT(&req->readdrawable);
+ __GLX_SWAP_INT(&req->context);
+ __GLX_SWAP_INT(&req->oldContextTag);
+
+ return DoMakeCurrent( cl, req->drawable, req->readdrawable,
+ req->context, req->oldContextTag );
+}
+
+int __glXSwapMakeCurrentReadSGI(__GLXclientState *cl, GLbyte *pc)
+{
+ xGLXMakeCurrentReadSGIReq *req = (xGLXMakeCurrentReadSGIReq *) pc;
+ __GLX_DECLARE_SWAP_VARIABLES;
+
+ __GLX_SWAP_SHORT(&req->length);
+ __GLX_SWAP_INT(&req->drawable);
+ __GLX_SWAP_INT(&req->readable);
+ __GLX_SWAP_INT(&req->context);
+ __GLX_SWAP_INT(&req->oldContextTag);
+
+ return DoMakeCurrent( cl, req->drawable, req->readable,
+ req->context, req->oldContextTag );
+}
+
+int __glXSwapIsDirect(__GLXclientState *cl, GLbyte *pc)
+{
+ xGLXIsDirectReq *req = (xGLXIsDirectReq *) pc;
+ __GLX_DECLARE_SWAP_VARIABLES;
+
+ __GLX_SWAP_SHORT(&req->length);
+ __GLX_SWAP_INT(&req->context);
+
+ return __glXIsDirect(cl, pc);
+}
+
+int __glXSwapQueryVersion(__GLXclientState *cl, GLbyte *pc)
+{
+ xGLXQueryVersionReq *req = (xGLXQueryVersionReq *) pc;
+ __GLX_DECLARE_SWAP_VARIABLES;
+
+ __GLX_SWAP_SHORT(&req->length);
+ __GLX_SWAP_INT(&req->majorVersion);
+ __GLX_SWAP_INT(&req->minorVersion);
+
+ return __glXQueryVersion(cl, pc);
+}
+
+int __glXSwapWaitGL(__GLXclientState *cl, GLbyte *pc)
+{
+ xGLXWaitGLReq *req = (xGLXWaitGLReq *) pc;
+ __GLX_DECLARE_SWAP_VARIABLES;
+
+ __GLX_SWAP_SHORT(&req->length);
+ __GLX_SWAP_INT(&req->contextTag);
+
+ return __glXWaitGL(cl, pc);
+}
+
+int __glXSwapWaitX(__GLXclientState *cl, GLbyte *pc)
+{
+ xGLXWaitXReq *req = (xGLXWaitXReq *) pc;
+ __GLX_DECLARE_SWAP_VARIABLES;
+
+ __GLX_SWAP_SHORT(&req->length);
+ __GLX_SWAP_INT(&req->contextTag);
+
+ return __glXWaitX(cl, pc);
+}
+
+int __glXSwapCopyContext(__GLXclientState *cl, GLbyte *pc)
+{
+ xGLXCopyContextReq *req = (xGLXCopyContextReq *) pc;
+ __GLX_DECLARE_SWAP_VARIABLES;
+
+ __GLX_SWAP_SHORT(&req->length);
+ __GLX_SWAP_INT(&req->source);
+ __GLX_SWAP_INT(&req->dest);
+ __GLX_SWAP_INT(&req->mask);
+
+ return __glXCopyContext(cl, pc);
+}
+
+int __glXSwapGetVisualConfigs(__GLXclientState *cl, GLbyte *pc)
+{
+ xGLXGetVisualConfigsReq *req = (xGLXGetVisualConfigsReq *) pc;
+ __GLX_DECLARE_SWAP_VARIABLES;
+
+ __GLX_SWAP_INT(&req->screen);
+ return DoGetVisualConfigs( cl, req->screen, GL_TRUE );
+}
+
+int __glXSwapGetFBConfigs(__GLXclientState *cl, GLbyte *pc)
+{
+ xGLXGetFBConfigsReq *req = (xGLXGetFBConfigsReq *) pc;
+ __GLX_DECLARE_SWAP_VARIABLES;
+
+ __GLX_SWAP_INT(&req->screen);
+ return DoGetFBConfigs( cl, req->screen, GL_TRUE );
+}
+
+int __glXSwapGetFBConfigsSGIX(__GLXclientState *cl, GLbyte *pc)
+{
+ xGLXGetFBConfigsSGIXReq *req = (xGLXGetFBConfigsSGIXReq *) pc;
+ __GLX_DECLARE_SWAP_VARIABLES;
+
+ __GLX_SWAP_INT(&req->screen);
+ return DoGetFBConfigs( cl, req->screen, GL_TRUE );
+}
+
+int __glXSwapCreateGLXPixmap(__GLXclientState *cl, GLbyte *pc)
+{
+ xGLXCreateGLXPixmapReq *req = (xGLXCreateGLXPixmapReq *) pc;
+ __GLX_DECLARE_SWAP_VARIABLES;
+
+ __GLX_SWAP_SHORT(&req->length);
+ __GLX_SWAP_INT(&req->screen);
+ __GLX_SWAP_INT(&req->visual);
+ __GLX_SWAP_INT(&req->pixmap);
+ __GLX_SWAP_INT(&req->glxpixmap);
+
+ return DoCreateGLXPixmap( cl, req->visual, req->screen,
+ req->pixmap, req->glxpixmap );
+}
+
+int __glXSwapCreatePixmap(__GLXclientState *cl, GLbyte *pc)
+{
+ xGLXCreatePixmapReq *req = (xGLXCreatePixmapReq *) pc;
+ __GLX_DECLARE_SWAP_VARIABLES;
+
+ __GLX_SWAP_SHORT(&req->length);
+ __GLX_SWAP_INT(&req->screen);
+ __GLX_SWAP_INT(&req->fbconfig);
+ __GLX_SWAP_INT(&req->pixmap);
+ __GLX_SWAP_INT(&req->glxpixmap);
+
+ return DoCreateGLXPixmap( cl, req->fbconfig, req->screen,
+ req->pixmap, req->glxpixmap );
+}
+
+int __glXSwapCreateGLXPixmapWithConfigSGIX(__GLXclientState *cl, GLbyte *pc)
+{
+ xGLXCreateGLXPixmapWithConfigSGIXReq *req =
+ (xGLXCreateGLXPixmapWithConfigSGIXReq *) pc;
+ __GLX_DECLARE_SWAP_VARIABLES;
+
+ __GLX_SWAP_SHORT(&req->length);
+ __GLX_SWAP_INT(&req->screen);
+ __GLX_SWAP_INT(&req->fbconfig);
+ __GLX_SWAP_INT(&req->pixmap);
+ __GLX_SWAP_INT(&req->glxpixmap);
+
+ return DoCreateGLXPixmap( cl, req->fbconfig, req->screen,
+ req->pixmap, req->glxpixmap );
+}
+
+int __glXSwapDestroyGLXPixmap(__GLXclientState *cl, GLbyte *pc)
+{
+ xGLXDestroyGLXPixmapReq *req = (xGLXDestroyGLXPixmapReq *) pc;
+ __GLX_DECLARE_SWAP_VARIABLES;
+
+ __GLX_SWAP_SHORT(&req->length);
+ __GLX_SWAP_INT(&req->glxpixmap);
+
+ return __glXDestroyGLXPixmap(cl, pc);
+}
+
+int __glXSwapSwapBuffers(__GLXclientState *cl, GLbyte *pc)
+{
+ xGLXSwapBuffersReq *req = (xGLXSwapBuffersReq *) pc;
+ __GLX_DECLARE_SWAP_VARIABLES;
+
+ __GLX_SWAP_SHORT(&req->length);
+ __GLX_SWAP_INT(&req->contextTag);
+ __GLX_SWAP_INT(&req->drawable);
+
+ return __glXSwapBuffers(cl, pc);
+}
+
+int __glXSwapUseXFont(__GLXclientState *cl, GLbyte *pc)
+{
+ xGLXUseXFontReq *req = (xGLXUseXFontReq *) pc;
+ __GLX_DECLARE_SWAP_VARIABLES;
+
+ __GLX_SWAP_SHORT(&req->length);
+ __GLX_SWAP_INT(&req->contextTag);
+ __GLX_SWAP_INT(&req->font);
+ __GLX_SWAP_INT(&req->first);
+ __GLX_SWAP_INT(&req->count);
+ __GLX_SWAP_INT(&req->listBase);
+
+ return __glXUseXFont(cl, pc);
+}
+
+
+int __glXSwapQueryExtensionsString(__GLXclientState *cl, GLbyte *pc)
+{
+ xGLXQueryExtensionsStringReq *req = NULL;
+ __GLX_DECLARE_SWAP_VARIABLES;
+
+ __GLX_SWAP_SHORT(&req->length);
+ __GLX_SWAP_INT(&req->screen);
+
+ return __glXQueryExtensionsString(cl, pc);
+}
+
+int __glXSwapQueryServerString(__GLXclientState *cl, GLbyte *pc)
+{
+ xGLXQueryServerStringReq *req = (xGLXQueryServerStringReq *)pc;
+ __GLX_DECLARE_SWAP_VARIABLES;
+
+ __GLX_SWAP_SHORT(&req->length);
+ __GLX_SWAP_INT(&req->screen);
+ __GLX_SWAP_INT(&req->name);
+
+ return __glXQueryServerString(cl, pc);
+}
+
+int __glXSwapClientInfo(__GLXclientState *cl, GLbyte *pc)
+{
+ xGLXClientInfoReq *req = (xGLXClientInfoReq *)pc;
+ __GLX_DECLARE_SWAP_VARIABLES;
+
+ __GLX_SWAP_SHORT(&req->length);
+ __GLX_SWAP_INT(&req->major);
+ __GLX_SWAP_INT(&req->minor);
+ __GLX_SWAP_INT(&req->numbytes);
+
+ return __glXClientInfo(cl, pc);
+}
+
+int __glXSwapQueryContextInfoEXT(__GLXclientState *cl, GLbyte *pc)
+{
+ xGLXQueryContextInfoEXTReq *req = (xGLXQueryContextInfoEXTReq *) pc;
+ __GLX_DECLARE_SWAP_VARIABLES;
+
+ __GLX_SWAP_SHORT(&req->length);
+ __GLX_SWAP_INT(&req->context);
+
+ return __glXQueryContextInfoEXT(cl, pc);
+}
+
+/************************************************************************/
+
+/*
+** Swap replies.
+*/
+
+void __glXSwapMakeCurrentReply(ClientPtr client, xGLXMakeCurrentReply *reply)
+{
+ __GLX_DECLARE_SWAP_VARIABLES;
+ __GLX_SWAP_SHORT(&reply->sequenceNumber);
+ __GLX_SWAP_INT(&reply->length);
+ __GLX_SWAP_INT(&reply->contextTag);
+ WriteToClient(client, sz_xGLXMakeCurrentReply, (char *)reply);
+}
+
+void __glXSwapIsDirectReply(ClientPtr client, xGLXIsDirectReply *reply)
+{
+ __GLX_DECLARE_SWAP_VARIABLES;
+ __GLX_SWAP_SHORT(&reply->sequenceNumber);
+ __GLX_SWAP_INT(&reply->length);
+ WriteToClient(client, sz_xGLXIsDirectReply, (char *)reply);
+}
+
+void __glXSwapQueryVersionReply(ClientPtr client, xGLXQueryVersionReply *reply)
+{
+ __GLX_DECLARE_SWAP_VARIABLES;
+ __GLX_SWAP_SHORT(&reply->sequenceNumber);
+ __GLX_SWAP_INT(&reply->length);
+ __GLX_SWAP_INT(&reply->majorVersion);
+ __GLX_SWAP_INT(&reply->minorVersion);
+ WriteToClient(client, sz_xGLXQueryVersionReply, (char *)reply);
+}
+
+void glxSwapQueryExtensionsStringReply(ClientPtr client,
+ xGLXQueryExtensionsStringReply *reply, char *buf)
+{
+ int length = reply->length;
+ __GLX_DECLARE_SWAP_VARIABLES;
+ __GLX_DECLARE_SWAP_ARRAY_VARIABLES;
+ __GLX_SWAP_SHORT(&reply->sequenceNumber);
+ __GLX_SWAP_INT(&reply->length);
+ __GLX_SWAP_INT(&reply->n);
+ WriteToClient(client, sz_xGLXQueryExtensionsStringReply, (char *)reply);
+ __GLX_SWAP_INT_ARRAY((int *)buf, length);
+ WriteToClient(client, length << 2, buf);
+}
+
+void glxSwapQueryServerStringReply(ClientPtr client,
+ xGLXQueryServerStringReply *reply, char *buf)
+{
+ int length = reply->length;
+ __GLX_DECLARE_SWAP_VARIABLES;
+ __GLX_SWAP_SHORT(&reply->sequenceNumber);
+ __GLX_SWAP_INT(&reply->length);
+ __GLX_SWAP_INT(&reply->n);
+ WriteToClient(client, sz_xGLXQueryServerStringReply, (char *)reply);
+ /** no swap is needed for an array of chars **/
+ /* __GLX_SWAP_INT_ARRAY((int *)buf, length); */
+ WriteToClient(client, length << 2, buf);
+}
+
+void __glXSwapQueryContextInfoEXTReply(ClientPtr client, xGLXQueryContextInfoEXTReply *reply, int *buf)
+{
+ int length = reply->length;
+ __GLX_DECLARE_SWAP_VARIABLES;
+ __GLX_DECLARE_SWAP_ARRAY_VARIABLES;
+ __GLX_SWAP_SHORT(&reply->sequenceNumber);
+ __GLX_SWAP_INT(&reply->length);
+ __GLX_SWAP_INT(&reply->n);
+ WriteToClient(client, sz_xGLXQueryContextInfoEXTReply, (char *)reply);
+ __GLX_SWAP_INT_ARRAY((int *)buf, length);
+ WriteToClient(client, length << 2, (char *)buf);
+}
+
+
+/************************************************************************/
+
+/*
+** Render and Renderlarge are not in the GLX API. They are used by the GLX
+** client library to send batches of GL rendering commands.
+*/
+
+int __glXSwapRender(__GLXclientState *cl, GLbyte *pc)
+{
+ xGLXRenderReq *req;
+ ClientPtr client= cl->client;
+ int left, cmdlen, error;
+ int commandsDone;
+ CARD16 opcode;
+ __GLXrenderHeader *hdr;
+ __GLXcontext *cx;
+ __GLX_DECLARE_SWAP_VARIABLES;
+
+ /*
+ ** NOTE: much of this code also appears in the nonswapping version of this
+ ** routine, __glXRender(). Any changes made here should also be
+ ** duplicated there.
+ */
+
+ req = (xGLXRenderReq *) pc;
+ __GLX_SWAP_SHORT(&req->length);
+ __GLX_SWAP_INT(&req->contextTag);
+
+ cx = __glXForceCurrent(cl, req->contextTag, &error);
+ if (!cx) {
+ return error;
+ }
+
+ commandsDone = 0;
+ pc += sz_xGLXRenderReq;
+ left = (req->length << 2) - sz_xGLXRenderReq;
+ while (left > 0) {
+ __GLXrenderSizeData *entry;
+ int extra;
+ void (* proc)(GLbyte *);
+
+ /*
+ ** Verify that the header length and the overall length agree.
+ ** Also, each command must be word aligned.
+ */
+ hdr = (__GLXrenderHeader *) pc;
+ __GLX_SWAP_SHORT(&hdr->length);
+ __GLX_SWAP_SHORT(&hdr->opcode);
+ cmdlen = hdr->length;
+ opcode = hdr->opcode;
+
+ if ( (opcode >= __GLX_MIN_RENDER_OPCODE) &&
+ (opcode <= __GLX_MAX_RENDER_OPCODE) ) {
+ entry = &__glXRenderSizeTable[opcode];
+ proc = __glXSwapRenderTable[opcode];
+#if __GLX_MAX_RENDER_OPCODE_EXT > __GLX_MIN_RENDER_OPCODE_EXT
+ } else if ( (opcode >= __GLX_MIN_RENDER_OPCODE_EXT) &&
+ (opcode <= __GLX_MAX_RENDER_OPCODE_EXT) ) {
+ int index = opcode - __GLX_MIN_RENDER_OPCODE_EXT;
+ entry = &__glXRenderSizeTable_EXT[index];
+ proc = __glXSwapRenderTable_EXT[index];
+#endif /* __GLX_MAX_RENDER_OPCODE_EXT > __GLX_MIN_RENDER_OPCODE_EXT */
+ } else {
+ client->errorValue = commandsDone;
+ return __glXBadRenderRequest;
+ }
+ if (!entry->bytes) {
+ /* unused opcode */
+ client->errorValue = commandsDone;
+ return __glXBadRenderRequest;
+ }
+ if (entry->varsize) {
+ /* variable size command */
+ extra = (*entry->varsize)(pc + __GLX_RENDER_HDR_SIZE, True);
+ 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(cx);
+ return Success;
+}
+
+/*
+** Execute a large rendering request (one that spans multiple X requests).
+*/
+int __glXSwapRenderLarge(__GLXclientState *cl, GLbyte *pc)
+{
+ xGLXRenderLargeReq *req;
+ ClientPtr client= cl->client;
+ size_t dataBytes;
+ void (*proc)(GLbyte *);
+ __GLXrenderLargeHeader *hdr;
+ __GLXcontext *cx;
+ int error;
+ CARD16 opcode;
+ __GLX_DECLARE_SWAP_VARIABLES;
+
+ /*
+ ** NOTE: much of this code also appears in the nonswapping version of this
+ ** routine, __glXRenderLarge(). Any changes made here should also be
+ ** duplicated there.
+ */
+
+ req = (xGLXRenderLargeReq *) pc;
+ __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);
+ cx = __glXForceCurrent(cl, req->contextTag, &error);
+ if (!cx) {
+ /* 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;
+ /*
+ ** 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 __glXBadLargeRequest;
+ }
+ hdr = (__GLXrenderLargeHeader *) pc;
+ __GLX_SWAP_INT(&hdr->length);
+ __GLX_SWAP_INT(&hdr->opcode);
+ cmdlen = hdr->length;
+ opcode = hdr->opcode;
+
+ if ( (opcode >= __GLX_MIN_RENDER_OPCODE) &&
+ (opcode <= __GLX_MAX_RENDER_OPCODE) ) {
+ entry = &__glXRenderSizeTable[opcode];
+ proc = __glXSwapRenderTable[opcode];
+#if __GLX_MAX_RENDER_OPCODE_EXT > __GLX_MIN_RENDER_OPCODE_EXT
+ } else if ( (opcode >= __GLX_MIN_RENDER_OPCODE_EXT) &&
+ (opcode <= __GLX_MAX_RENDER_OPCODE_EXT) ) {
+ int index = opcode - __GLX_MIN_RENDER_OPCODE_EXT;
+ entry = &__glXRenderSizeTable_EXT[index];
+ proc = __glXSwapRenderTable_EXT[index];
+#endif /* __GLX_MAX_RENDER_OPCODE_EXT > __GLX_MIN_RENDER_OPCODE_EXT */
+ } else {
+ client->errorValue = opcode;
+ return __glXBadLargeRequest;
+ }
+
+ if (!entry->bytes) {
+ /* unused opcode */
+ client->errorValue = opcode;
+ return __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, True);
+ 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 *) __glXMalloc(cmdlen);
+ } else {
+ cl->largeCmdBuf = (GLbyte *) __glXRealloc(cl->largeCmdBuf, cmdlen);
+ }
+ if (!cl->largeCmdBuf) {
+ return BadAlloc;
+ }
+ cl->largeCmdBufSize = cmdlen;
+ }
+ __glXMemcpy(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 __glXBadLargeRequest;
+ }
+ if (req->requestTotal != cl->largeCmdRequestsTotal) {
+ client->errorValue = req->requestTotal;
+ __glXResetLargeCommandStatus(cl);
+ return __glXBadLargeRequest;
+ }
+
+ /*
+ ** Check that we didn't get too much data.
+ */
+ if ((cl->largeCmdBytesSoFar + dataBytes) > cl->largeCmdBytesTotal) {
+ client->errorValue = dataBytes;
+ __glXResetLargeCommandStatus(cl);
+ return __glXBadLargeRequest;
+ }
+ __glXMemcpy(cl->largeCmdBuf + cl->largeCmdBytesSoFar, pc, dataBytes);
+ cl->largeCmdBytesSoFar += dataBytes;
+ cl->largeCmdRequestsSoFar++;
+
+ if (req->requestNumber == cl->largeCmdRequestsTotal) {
+ /*
+ ** 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 __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;
+ if ( (opcode >= __GLX_MIN_RENDER_OPCODE) &&
+ (opcode <= __GLX_MAX_RENDER_OPCODE) ) {
+ proc = __glXSwapRenderTable[opcode];
+#if __GLX_MAX_RENDER_OPCODE_EXT > __GLX_MIN_RENDER_OPCODE_EXT
+ } else if ( (opcode >= __GLX_MIN_RENDER_OPCODE_EXT) &&
+ (opcode <= __GLX_MAX_RENDER_OPCODE_EXT) ) {
+ int index = opcode - __GLX_MIN_RENDER_OPCODE_EXT;
+ proc = __glXSwapRenderTable_EXT[index];
+#endif /* __GLX_MAX_RENDER_OPCODE_EXT > __GLX_MIN_RENDER_OPCODE_EXT */
+ } else {
+ client->errorValue = opcode;
+ return __glXBadLargeRequest;
+ }
+
+ /*
+ ** Skip over the header and execute the command.
+ */
+ (*proc)(cl->largeCmdBuf + __GLX_RENDER_LARGE_HDR_SIZE);
+ __GLX_NOTE_UNFLUSHED_CMDS(cx);
+
+ /*
+ ** Reset for the next RenderLarge series.
+ */
+ __glXResetLargeCommandStatus(cl);
+ } else {
+ /*
+ ** This is neither the first nor the last request.
+ */
+ }
+ return Success;
+ }
+}
+
+/************************************************************************/
+
+/*
+** No support is provided for the vendor-private requests other than
+** allocating these entry points in the dispatch table.
+*/
+
+int __glXSwapVendorPrivate(__GLXclientState *cl, GLbyte *pc)
+{
+ xGLXVendorPrivateReq *req;
+ GLint vendorcode;
+
+ __GLX_DECLARE_SWAP_VARIABLES;
+
+ req = (xGLXVendorPrivateReq *) pc;
+ __GLX_SWAP_SHORT(&req->length);
+ __GLX_SWAP_INT(&req->vendorCode);
+
+ vendorcode = req->vendorCode;
+
+#ifndef __DARWIN__
+ switch( vendorcode ) {
+ case X_GLvop_SampleMaskSGIS:
+ __GLX_SWAP_FLOAT(pc + 4);
+ __GLX_SWAP_INT(pc + 8);
+ glSampleMaskSGIS(*(GLfloat *)(pc + 4),
+ *(GLboolean *)(pc + 8));
+ return Success;
+ case X_GLvop_SamplePatternSGIS:
+ __GLX_SWAP_INT(pc + 4);
+ glSamplePatternSGIS( *(GLenum *)(pc + 4));
+ return Success;
+ }
+#endif
+
+
+ if ((vendorcode >= __GLX_MIN_VENDPRIV_OPCODE_EXT) &&
+ (vendorcode <= __GLX_MAX_VENDPRIV_OPCODE_EXT)) {
+ (*__glXSwapVendorPrivTable_EXT[vendorcode-__GLX_MIN_VENDPRIV_OPCODE_EXT])(cl, (GLbyte*)req);
+ return Success;
+ }
+ cl->client->errorValue = req->vendorCode;
+ return __glXUnsupportedPrivateRequest;
+}
+
+int __glXSwapVendorPrivateWithReply(__GLXclientState *cl, GLbyte *pc)
+{
+ xGLXVendorPrivateWithReplyReq *req;
+ GLint vendorcode;
+
+ __GLX_DECLARE_SWAP_VARIABLES;
+
+ req = (xGLXVendorPrivateWithReplyReq *) pc;
+ __GLX_SWAP_SHORT(&req->length);
+ __GLX_SWAP_INT(&req->vendorCode);
+
+ vendorcode = req->vendorCode;
+
+ switch (vendorcode) {
+ case X_GLXvop_QueryContextInfoEXT:
+ return __glXSwapQueryContextInfoEXT(cl, pc);
+ case X_GLXvop_MakeCurrentReadSGI:
+ return __glXSwapMakeCurrentReadSGI(cl, pc);
+ case X_GLXvop_GetFBConfigsSGIX:
+ return __glXSwapGetFBConfigsSGIX(cl, pc);
+ case X_GLXvop_CreateContextWithConfigSGIX:
+ return __glXSwapCreateContextWithConfigSGIX(cl, pc);
+ case X_GLXvop_CreateGLXPixmapWithConfigSGIX:
+ return __glXSwapCreateGLXPixmapWithConfigSGIX(cl, pc);
+ default:
+ break;
+ }
+
+
+ if ((vendorcode >= __GLX_MIN_VENDPRIV_OPCODE_EXT) &&
+ (vendorcode <= __GLX_MAX_VENDPRIV_OPCODE_EXT)) {
+ return (*__glXSwapVendorPrivTable_EXT[vendorcode-__GLX_MIN_VENDPRIV_OPCODE_EXT])(cl, (GLbyte*)req);
+ }
+ cl->client->errorValue = req->vendorCode;
+ return __glXUnsupportedPrivateRequest;
+}