Disabled external gits

cs440-acg/ext/openexr/OpenEXR_Viewers/playexr/osDependent.cpp

@@ -0,0 +1,92 @@
+///////////////////////////////////////////////////////////////////////////
+//
+// Copyright (c) 2007, Industrial Light & Magic, a division of Lucas
+// Digital Ltd. LLC
+// 
+// All rights reserved.
+// 
+// Redistribution and use in source and binary forms, with or without
+// modification, are permitted provided that the following conditions are
+// met:
+// *       Redistributions of source code must retain the above copyright
+// notice, this list of conditions and the following disclaimer.
+// *       Redistributions in binary form must reproduce the above
+// copyright notice, this list of conditions and the following disclaimer
+// in the documentation and/or other materials provided with the
+// distribution.
+// *       Neither the name of Industrial Light & Magic nor the names of
+// its contributors may be used to endorse or promote products derived
+// from this software without specific prior written permission. 
+// 
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+//
+///////////////////////////////////////////////////////////////////////////
+
+//----------------------------------------------------------------------------
+//
+//	OpenGL related code and definitions
+//	that depend on the operating system.
+//
+//----------------------------------------------------------------------------
+
+#include "osDependent.h"
+#include <stdlib.h>
+#include <iostream>
+
+using namespace std;
+
+
+void
+initAndCheckGlExtensions ()
+{
+    #ifdef PLAYEXR_USE_APPLE_FLOAT_PIXELS
+
+	if (!glutExtensionSupported ("GL_APPLE_float_pixels"))
+	{
+	    cerr << "This program requires OpenGL support for "
+		    "16-bit floating-point textures." << endl;
+	    exit (1);
+	}
+
+    #else
+
+	if (!glutExtensionSupported ("GL_ARB_texture_float") ||
+	    !glutExtensionSupported ("GL_ARB_half_float_pixel"))
+	{
+	    cerr << "This program requires OpenGL support for "
+		    "16-bit floating-point textures." << endl;
+	    exit (1);
+	}
+
+    #endif
+
+    if (!glutExtensionSupported ("GL_ARB_fragment_shader"))
+    {
+	cerr << "This program requires OpenGL support for "
+		"fragment shaders and the Cg shading language." << endl;
+	exit (1);
+    }
+
+    #ifdef WIN32
+
+	GLenum err = glewInit();
+
+	if (GLEW_OK != err)
+	{
+	    cerr << "Cannot initialize "
+		    "glew: " << glewGetErrorString (err) << endl;
+	    exit (1);
+	}
+
+    #endif
+}