From a0c4815433ccd57322f4f7703ca35e9ccfa59250 Mon Sep 17 00:00:00 2001
From: marha <marha@users.sourceforge.net>
Date: Thu, 8 Oct 2009 13:15:52 +0000
Subject: Added MesaLib-7.6

---
 .../src/glu/sgi/libnurbs/interface/glrenderer.h    | 146 +++++++++++++++++++++
 1 file changed, 146 insertions(+)
 create mode 100644 mesalib/src/glu/sgi/libnurbs/interface/glrenderer.h

(limited to 'mesalib/src/glu/sgi/libnurbs/interface/glrenderer.h')

diff --git a/mesalib/src/glu/sgi/libnurbs/interface/glrenderer.h b/mesalib/src/glu/sgi/libnurbs/interface/glrenderer.h
new file mode 100644
index 000000000..3b72d44d1
--- /dev/null
+++ b/mesalib/src/glu/sgi/libnurbs/interface/glrenderer.h
@@ -0,0 +1,146 @@
+/*
+ * SGI FREE SOFTWARE LICENSE B (Version 2.0, Sept. 18, 2008)
+ * Copyright (C) 1991-2000 Silicon Graphics, 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 including the dates of first publication and
+ * either this permission notice or a reference to
+ * http://oss.sgi.com/projects/FreeB/
+ * 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
+ * SILICON GRAPHICS, INC. 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.
+ *
+ * Except as contained in this notice, the name of Silicon Graphics, Inc.
+ * shall not be used in advertising or otherwise to promote the sale, use or
+ * other dealings in this Software without prior written authorization from
+ * Silicon Graphics, Inc.
+ */
+
+/*
+ * glrenderer.h
+ *
+ */
+
+#ifndef __gluglrenderer_h_
+#define __gluglrenderer_h_
+
+#include <GL/gl.h>
+#include <GL/glu.h>
+#include "nurbstess.h"
+#include "glsurfeval.h"
+#include "glcurveval.h"
+
+extern "C" {
+      typedef void (APIENTRY *errorCallbackType)( GLenum );
+}
+
+class GLUnurbs : public NurbsTessellator {
+
+public:
+		GLUnurbs( void );
+    void 	loadGLMatrices( void );
+    void	useGLMatrices( const GLfloat modelMatrix[16], 
+			       const GLfloat projMatrix[16],
+			       const GLint viewport[4] );
+    void		setSamplingMatrixIdentity( void );
+
+    void 	errorHandler( int );
+    void	bgnrender( void );
+    void	endrender( void );
+    void	setautoloadmode( INREAL value )
+      		    { 
+		      
+		      if (value) autoloadmode = GL_TRUE; 
+		      else autoloadmode = GL_FALSE; 
+			
+		    }
+    GLboolean	getautoloadmode( void ) { return autoloadmode; }
+
+    errorCallbackType errorCallback;
+    void	postError( int which ) 
+		    { if (errorCallback) (errorCallback)( (GLenum)which ); }
+#ifdef _WIN32
+    void        putSurfCallBack(GLenum which, void (GLAPIENTRY *fn)() )
+#else
+    void        putSurfCallBack(GLenum which, _GLUfuncptr fn )
+#endif
+      {
+	curveEvaluator.putCallBack(which, fn);
+	surfaceEvaluator.putCallBack(which, fn);
+      }
+
+    int         get_vertices_call_back()
+      {
+	return surfaceEvaluator.get_vertices_call_back();
+      }
+    
+    void        put_vertices_call_back(int flag)
+      {
+	surfaceEvaluator.put_vertices_call_back(flag);
+      }
+
+    int         get_callback_auto_normal()
+      {
+        return surfaceEvaluator.get_callback_auto_normal();
+      }
+ 
+    void         put_callback_auto_normal(int flag)
+      {
+        surfaceEvaluator.put_callback_auto_normal(flag);
+      }
+
+    void       setNurbsCallbackData(void* userData)
+      {
+       curveEvaluator.set_callback_userData(userData);
+       surfaceEvaluator.set_callback_userData(userData);
+     }
+
+
+    //for LOD
+    void LOD_eval_list(int level)
+      {
+	surfaceEvaluator.LOD_eval_list(level);
+      }
+
+    //NEWCALLBACK
+    int        is_callback()
+      {
+	return callbackFlag;
+      }
+    void       put_callbackFlag(int flag)
+      {
+	callbackFlag = flag;
+	surfaceEvaluator.put_vertices_call_back(flag);
+	curveEvaluator.put_vertices_call_back(flag);
+      }
+
+private:
+    GLboolean			autoloadmode;
+    OpenGLSurfaceEvaluator	surfaceEvaluator;
+    OpenGLCurveEvaluator	curveEvaluator;
+
+    void		loadSamplingMatrix( const GLfloat vmat[4][4], 
+			        const GLint viewport[4] );
+    void		loadCullingMatrix( GLfloat vmat[4][4] );
+    static void		grabGLMatrix( GLfloat vmat[4][4] );
+    static void		transform4d( GLfloat A[4], GLfloat B[4], 
+				GLfloat mat[4][4] );
+    static void		multmatrix4d( GLfloat n[4][4], const GLfloat left[4][4],
+				const GLfloat right[4][4] );
+
+   int                  callbackFlag;
+};
+
+#endif /* __gluglrenderer_h_ */
-- 
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