fix up xglglx.c
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hw/xgl/xglglx.c
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226
hw/xgl/xglglx.c
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/*
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* Copyright © 2005 Novell, Inc.
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*
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* Permission to use, copy, modify, distribute, and sell this software
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* and its documentation for any purpose is hereby granted without
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* fee, provided that the above copyright notice appear in all copies
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* and that both that copyright notice and this permission notice
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* appear in supporting documentation, and that the name of
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* Novell, Inc. not be used in advertising or publicity pertaining to
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* distribution of the software without specific, written prior permission.
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* Novell, Inc. makes no representations about the suitability of this
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* software for any purpose. It is provided "as is" without express or
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* implied warranty.
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*
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* NOVELL, INC. DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
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* INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN
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* NO EVENT SHALL NOVELL, INC. BE LIABLE FOR ANY SPECIAL, INDIRECT OR
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* CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS
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* OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT,
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* NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION
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* WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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*
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* Author: David Reveman <davidr@novell.com>
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*/
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#include "xgl.h"
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#ifdef GLXEXT
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#include "glxserver.h"
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#include "glxscreens.h"
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#include "glxext.h"
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typedef struct _xglGLXFunc {
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void (*extensionInit) (void);
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void (*setVisualConfigs) (int nconfigs,
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__GLXvisualConfig *configs,
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void **privates);
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void (*wrapInitVisuals) (miInitVisualsProcPtr *initVisuals);
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int (*initVisuals) (VisualPtr *visualp,
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DepthPtr *depthp,
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int *nvisualp,
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int *ndepthp,
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int *rootDepthp,
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VisualID *defaultVisp,
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unsigned long sizes,
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int bitsPerRGB,
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int preferredVis);
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void (*flushContextCache) (void);
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void (*setRenderTables) (__glProcTable *table,
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__glProcTableEXT *tableEXT);
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} xglGLXFuncRec;
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static xglGLXFuncRec __glXFunc;
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static void *glXHandle = 0;
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static void *glCoreHandle = 0;
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#define SYM(ptr, name) { (void **) &(ptr), (name) }
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__GLXextensionInfo __glDDXExtensionInfo = {
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GL_CORE_MESA,
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NULL,
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NULL,
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NULL
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};
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__GLXscreenInfo __glDDXScreenInfo = {
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NULL,
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NULL,
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NULL,
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NULL,
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NULL,
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0,
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0,
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"Vendor String",
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"Version String",
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"Extensions String",
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NULL
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};
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void
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GlxSetVisualConfigs (int nconfigs,
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__GLXvisualConfig *configs,
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void **privates)
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{
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if (glXHandle && glCoreHandle)
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(*__glXFunc.setVisualConfigs) (nconfigs, configs, privates);
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}
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void
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GlxExtensionInit (void)
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{
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if (glXHandle && glCoreHandle)
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(*__glXFunc.extensionInit) ();
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}
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void
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GlxWrapInitVisuals (miInitVisualsProcPtr *initVisuals)
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{
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if (glXHandle && glCoreHandle)
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(*__glXFunc.wrapInitVisuals) (initVisuals);
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}
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int
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GlxInitVisuals (VisualPtr *visualp,
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DepthPtr *depthp,
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int *nvisualp,
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int *ndepthp,
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int *rootDepthp,
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VisualID *defaultVisp,
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unsigned long sizes,
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int bitsPerRGB,
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int preferredVis)
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{
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if (glXHandle && glCoreHandle)
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return (*__glXFunc.initVisuals) (visualp, depthp, nvisualp, ndepthp,
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rootDepthp, defaultVisp, sizes,
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bitsPerRGB, preferredVis);
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return 0;
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}
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void
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GlxFlushContextCache (void)
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{
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(*__glXFunc.flushContextCache) ();
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}
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void
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GlxSetRenderTables (__glProcTable *table,
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__glProcTableEXT *tableEXT)
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{
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(*__glXFunc.setRenderTables) (table, tableEXT);
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}
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Bool
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xglLoadGLXModules (void)
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{
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#ifdef XLOADABLE
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if (!glXHandle)
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{
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xglSymbolRec sym[] = {
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SYM (__glXFunc.extensionInit, "GlxExtensionInit"),
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SYM (__glXFunc.setVisualConfigs, "GlxSetVisualConfigs"),
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SYM (__glXFunc.wrapInitVisuals, "GlxWrapInitVisuals"),
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SYM (__glXFunc.initVisuals, "GlxInitVisuals"),
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SYM (__glXFunc.flushContextCache, "GlxFlushContextCache"),
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SYM (__glXFunc.setRenderTables, "GlxSetRenderTables")
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};
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glXHandle = xglLoadModule ("glx");
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if (!glXHandle)
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return FALSE;
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if (!xglLookupSymbols (glXHandle, sym, sizeof (sym) / sizeof (sym[0])))
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{
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xglUnloadModule (glXHandle);
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glXHandle = 0;
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return FALSE;
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}
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}
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if (!glCoreHandle)
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{
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xglSymbolRec sym[] = {
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SYM (__glDDXScreenInfo.screenProbe, "__MESA_screenProbe"),
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SYM (__glDDXScreenInfo.createContext, "__MESA_createContext"),
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SYM (__glDDXScreenInfo.createBuffer, "__MESA_createBuffer"),
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SYM (__glDDXExtensionInfo.resetExtension, "__MESA_resetExtension"),
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SYM (__glDDXExtensionInfo.initVisuals, "__MESA_initVisuals"),
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SYM (__glDDXExtensionInfo.setVisualConfigs,
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"__MESA_setVisualConfigs")
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};
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glCoreHandle = xglLoadModule ("glcore");
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if (!glCoreHandle)
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return FALSE;
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if (!xglLookupSymbols (glCoreHandle, sym, sizeof (sym) / sizeof (sym[0])))
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{
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xglUnloadModule (glCoreHandle);
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glCoreHandle = 0;
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return FALSE;
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}
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if (!xglLoadHashFuncs (glCoreHandle))
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{
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xglUnloadModule (glCoreHandle);
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glCoreHandle = 0;
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}
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}
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return TRUE;
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#else
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return FALSE;
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#endif
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}
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void
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xglUnloadGLXModules (void)
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{
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#ifdef XLOADABLE
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if (glXHandle)
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{
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xglUnloadModule (glXHandle);
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glXHandle = 0;
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}
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if (glCoreHandle)
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{
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xglUnloadModule (glCoreHandle);
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glCoreHandle = 0;
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}
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#endif
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}
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#endif
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