2010-01-22 16:32:12 +00:00
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/*
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* Mesa 3-D graphics library
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* Version: 7.8
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*
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* Copyright (C) 1999-2008 Brian Paul All Rights Reserved.
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* Copyright (C) 2010 VMWare, Inc. All Rights Reserved.
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the "Software"),
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* to deal in the Software without restriction, including without limitation
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* the rights to use, copy, modify, merge, publish, distribute, sublicense,
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* and/or sell copies of the Software, and to permit persons to whom the
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* Software is furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included
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* in all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
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* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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* THE AUTHORS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
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* AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
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* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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*/
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/**
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* No-op dispatch table.
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*
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* This file defines a special dispatch table which is loaded with no-op
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* functions.
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*
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* When there's no current rendering context, calling a GL function like
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* glBegin() is a no-op. Apps should never normally do this. So as a
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* debugging aid, each of the no-op functions will emit a warning to
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* stderr if the MESA_DEBUG or LIBGL_DEBUG env var is set.
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*/
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2010-02-25 15:52:04 +00:00
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#ifdef HAVE_DIX_CONFIG_H
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#include <dix-config.h>
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#include "glapi/mesa.h"
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#else
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2010-01-22 16:32:12 +00:00
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#include "main/compiler.h"
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2010-01-23 02:23:37 +00:00
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#include "main/glheader.h"
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2010-02-25 15:52:04 +00:00
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#endif
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2010-01-22 16:32:12 +00:00
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#include "glapi/glapi.h"
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2010-02-05 16:58:52 +00:00
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#ifdef DEBUG
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2010-01-22 16:32:12 +00:00
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2010-01-22 16:35:12 +00:00
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/**
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* Called by each of the no-op GL entrypoints.
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2010-01-22 16:32:12 +00:00
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*/
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static int
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2010-01-22 16:35:12 +00:00
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Warn(const char *func)
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2010-01-22 16:32:12 +00:00
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{
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#if !defined(_WIN32_WCE)
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2010-01-22 16:35:12 +00:00
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if (getenv("MESA_DEBUG") || getenv("LIBGL_DEBUG")) {
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fprintf(stderr, "GL User Error: gl%s called without a rendering context\n",
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func);
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2010-01-22 16:32:12 +00:00
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}
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#endif
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2010-01-22 16:35:12 +00:00
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return 0;
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}
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/**
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* This is called if the user somehow calls an unassigned GL dispatch function.
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*/
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static GLint
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NoOpUnused(void)
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{
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return Warn(" function");
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2010-01-22 16:32:12 +00:00
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}
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2010-01-22 16:35:12 +00:00
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/*
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* Defines for the glapitemp.h functions.
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*/
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2010-01-22 16:32:12 +00:00
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#define KEYWORD1 static
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#define KEYWORD1_ALT static
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#define KEYWORD2 GLAPIENTRY
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#define NAME(func) NoOp##func
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2010-01-22 16:35:12 +00:00
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#define DISPATCH(func, args, msg) Warn(#func);
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#define RETURN_DISPATCH(func, args, msg) Warn(#func); return 0
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2010-01-22 16:32:12 +00:00
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2010-01-22 16:35:12 +00:00
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/*
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* Defines for the table of no-op entry points.
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*/
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2010-01-22 16:32:12 +00:00
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#define TABLE_ENTRY(name) (_glapi_proc) NoOp##name
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2010-02-05 16:58:52 +00:00
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#else
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2010-03-25 22:03:13 +00:00
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static int
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2010-02-05 16:58:52 +00:00
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NoOpGeneric(void)
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{
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#if !defined(_WIN32_WCE)
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if (getenv("MESA_DEBUG") || getenv("LIBGL_DEBUG")) {
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fprintf(stderr, "GL User Error: calling GL function without a rendering context\n");
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}
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#endif
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2010-03-25 22:03:13 +00:00
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return 0;
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2010-02-05 16:58:52 +00:00
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}
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#define TABLE_ENTRY(name) (_glapi_proc) NoOpGeneric
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#endif
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2010-01-22 16:32:12 +00:00
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#define DISPATCH_TABLE_NAME __glapi_noop_table
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#define UNUSED_TABLE_NAME __unused_noop_functions
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#include "glapi/glapitemp.h"
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