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authormarha <marha@users.sourceforge.net>2010-04-02 14:47:58 +0000
committermarha <marha@users.sourceforge.net>2010-04-02 14:47:58 +0000
commit7933658107276f9d5491f8736a743cf8f8bbd5f2 (patch)
treef2893a761364e7abc9d934e9c5427e5cf5190c7a /mesalib/src/mesa/glapi/glapi_nop.c
parent83fa9a9811e2c18cffd83a020757f7fb51ffddaa (diff)
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Updated to following packages:
mesa-7.8
Diffstat (limited to 'mesalib/src/mesa/glapi/glapi_nop.c')
-rw-r--r--mesalib/src/mesa/glapi/glapi_nop.c114
1 files changed, 114 insertions, 0 deletions
diff --git a/mesalib/src/mesa/glapi/glapi_nop.c b/mesalib/src/mesa/glapi/glapi_nop.c
new file mode 100644
index 000000000..df9c58728
--- /dev/null
+++ b/mesalib/src/mesa/glapi/glapi_nop.c
@@ -0,0 +1,114 @@
+/*
+ * Mesa 3-D graphics library
+ * Version: 7.8
+ *
+ * Copyright (C) 1999-2008 Brian Paul All Rights Reserved.
+ * Copyright (C) 2010 VMWare, Inc. All Rights Reserved.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included
+ * in all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+ * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * THE AUTHORS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
+ * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ */
+
+
+/**
+ * No-op dispatch table.
+ *
+ * This file defines a special dispatch table which is loaded with no-op
+ * functions.
+ *
+ * When there's no current rendering context, calling a GL function like
+ * glBegin() is a no-op. Apps should never normally do this. So as a
+ * debugging aid, each of the no-op functions will emit a warning to
+ * stderr if the MESA_DEBUG or LIBGL_DEBUG env var is set.
+ */
+
+
+
+#ifdef HAVE_DIX_CONFIG_H
+#include <dix-config.h>
+#include "glapi/mesa.h"
+#else
+#include "main/compiler.h"
+#include "main/glheader.h"
+#endif
+
+#include "glapi/glapi.h"
+
+#ifdef DEBUG
+
+/**
+ * Called by each of the no-op GL entrypoints.
+ */
+static int
+Warn(const char *func)
+{
+#if !defined(_WIN32_WCE)
+ if (getenv("MESA_DEBUG") || getenv("LIBGL_DEBUG")) {
+ fprintf(stderr, "GL User Error: gl%s called without a rendering context\n",
+ func);
+ }
+#endif
+ return 0;
+}
+
+
+/**
+ * This is called if the user somehow calls an unassigned GL dispatch function.
+ */
+static GLint
+NoOpUnused(void)
+{
+ return Warn(" function");
+}
+
+/*
+ * Defines for the glapitemp.h functions.
+ */
+#define KEYWORD1 static
+#define KEYWORD1_ALT static
+#define KEYWORD2 GLAPIENTRY
+#define NAME(func) NoOp##func
+#define DISPATCH(func, args, msg) Warn(#func);
+#define RETURN_DISPATCH(func, args, msg) Warn(#func); return 0
+
+
+/*
+ * Defines for the table of no-op entry points.
+ */
+#define TABLE_ENTRY(name) (_glapi_proc) NoOp##name
+
+#else
+
+static int
+NoOpGeneric(void)
+{
+#if !defined(_WIN32_WCE)
+ if (getenv("MESA_DEBUG") || getenv("LIBGL_DEBUG")) {
+ fprintf(stderr, "GL User Error: calling GL function without a rendering context\n");
+ }
+#endif
+ return 0;
+}
+
+#define TABLE_ENTRY(name) (_glapi_proc) NoOpGeneric
+
+#endif
+
+#define DISPATCH_TABLE_NAME __glapi_noop_table
+#define UNUSED_TABLE_NAME __unused_noop_functions
+
+#include "glapi/glapitemp.h"