From a9f305c51ebccefc3ce6725b4f90700a7d250287 Mon Sep 17 00:00:00 2001
From: Dan Gudmundsson <dgud@erlang.org>
Date: Wed, 6 Oct 2010 14:05:36 +0200
Subject: Split opengl functionality into separate dynamic library

The idea is to build a separate opengl library which can be reused
by other erlang applications.
---
 lib/wx/c_src/egl_impl.h | 146 ++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 146 insertions(+)
 create mode 100644 lib/wx/c_src/egl_impl.h

(limited to 'lib/wx/c_src/egl_impl.h')

diff --git a/lib/wx/c_src/egl_impl.h b/lib/wx/c_src/egl_impl.h
new file mode 100644
index 0000000000..60be2c41d2
--- /dev/null
+++ b/lib/wx/c_src/egl_impl.h
@@ -0,0 +1,146 @@
+/*
+ * %CopyrightBegin%
+ * 
+ * Copyright Ericsson AB 2010. All Rights Reserved.
+ * 
+ * The contents of this file are subject to the Erlang Public License,
+ * Version 1.1, (the "License"); you may not use this file except in
+ * compliance with the License. You should have received a copy of the
+ * Erlang Public License along with this software. If not, it can be
+ * retrieved online at http://www.erlang.org/.
+ * 
+ * Software distributed under the License is distributed on an "AS IS"
+ * basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See
+ * the License for the specific language governing rights and limitations
+ * under the License.
+ * 
+ * %CopyrightEnd% 
+ */
+
+#include "erl_driver.h"
+
+/* Wrap everything from glext.h so we are not dependent on the user version of it */
+
+#ifndef _WIN32
+# include <dlfcn.h>
+#endif
+
+#ifndef __WXMAC__
+# include <GL/gl.h>
+# include <GL/glu.h>	/* Header File For The OpenGL Library */
+#else
+# include <OpenGL/glu.h>    /* Header File For The OpenGL Library */
+#endif
+
+#ifndef CALLBACK
+# define CALLBACK
+#endif
+
+#ifdef _WIN32
+# ifndef _GLUfuncptr
+//  Visual studio CPP ++ compiler
+#  define _GLUfuncptr void (_stdcall *)() 
+# endif
+#endif
+
+#ifdef _GLUfuncptr
+# define GLUfuncptr _GLUfuncptr
+#elif defined(TESS_CB_TIGER_STYLE)
+# define GLUfuncptr GLvoid (*)(...)
+#else 
+# define GLUfuncptr GLvoid (*)()
+#endif
+
+#ifdef WIN32
+#include <windows.h>  
+#include <gl/gl.h>
+#elif defined(HAVE_GL_GL_H)
+#include <GL/gl.h>
+#elif defined(HAVE_OPENGL_GL_H)
+#endif
+
+#ifndef APIENTRY
+#define APIENTRY 
+#endif
+
+/* Some new GL types (eliminates the need for glext.h) */
+
+#ifndef HAVE_GLINTPTR
+#ifndef HAVE_GLINTPTRARB
+# include <stddef.h>
+/* GL types for handling large vertex buffer objects */
+typedef ptrdiff_t GLintptrARB;
+typedef ptrdiff_t GLsizeiptrARB;
+#endif  /* HAVE_GLINTPTRARB */
+typedef GLintptrARB   GLintptr;
+typedef GLsizeiptrARB GLsizeiptr;
+#endif  /* HAVE_GLINTPTR */
+
+#ifndef HAVE_GLCHAR
+# ifndef HAVE_GLCHARARB
+/* GL types for handling shader object handles and characters */
+typedef char GLcharARB;		     /* native character */
+typedef unsigned int GLhandleARB;    /* shader object handle */
+#endif  /* HAVE_GLCHARARB */
+typedef GLcharARB GLchar;
+#endif
+
+#ifndef HAVE_GLHALFARB 
+/* GL types for "half" precision (s10e5) float data in host memory */
+typedef unsigned short GLhalfARB;
+#endif
+
+/* Define int32_t, int64_t, and uint64_t types for UST/MSC */
+/* (as used in the GLX_OML_sync_control extension). */
+#if defined(__STDC_VERSION__) && __STDC_VERSION__ >= 199901L
+#include <inttypes.h>
+#elif defined(__sun__)
+#include <inttypes.h>
+#if defined(__STDC__)
+#if defined(__arch64__)
+typedef long int int64_t;
+typedef unsigned long int uint64_t;
+#else
+typedef long long int int64_t;
+typedef unsigned long long int uint64_t;
+#endif /* __arch64__ */
+#endif /* __STDC__ */
+#elif defined( __VMS )
+#include <inttypes.h>
+#elif defined(__SCO__) || defined(__USLC__)
+#include <stdint.h>
+#elif defined(__UNIXOS2__) || defined(__SOL64__)
+typedef long int int32_t;
+typedef long long int int64_t;
+typedef unsigned long long int uint64_t;
+#elif defined(WIN32) && defined(_MSC_VER)
+typedef long int int32_t;
+typedef __int64 int64_t;
+typedef unsigned __int64 uint64_t;
+#elif defined(WIN32) && defined(__GNUC__)
+#include <stdint.h>
+#else
+#include <inttypes.h>     /* Fallback option */
+#endif
+
+#ifndef HAVE_GLINT64EXT
+typedef int64_t GLint64EXT;
+typedef uint64_t GLuint64EXT;
+#endif
+
+/* External Api */
+
+#ifdef _WIN32
+__declspec(dllexport) int egl_init_opengl();
+__declspec(dllexport) void egl_dispatch(int, char *, ErlDrvPort, ErlDrvTermData, char **);
+#else 
+extern "C" int egl_init_opengl();
+extern "C" void egl_dispatch(int, char *, ErlDrvPort, ErlDrvTermData, char **);
+#endif
+
+/* internal */
+int erl_tess_impl(char* buff, ErlDrvPort port, ErlDrvTermData caller);
+void gl_error();
+extern int gl_error_op;
+extern ErlDrvTermData gl_active;
+
-- 
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