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Diffstat (limited to 'src/glu/sgi/libnurbs/interface/glrenderer.h')
| -rw-r--r-- | src/glu/sgi/libnurbs/interface/glrenderer.h | 145 |
1 files changed, 145 insertions, 0 deletions
diff --git a/src/glu/sgi/libnurbs/interface/glrenderer.h b/src/glu/sgi/libnurbs/interface/glrenderer.h new file mode 100644 index 00000000000..e74b8af9d9f --- /dev/null +++ b/src/glu/sgi/libnurbs/interface/glrenderer.h @@ -0,0 +1,145 @@ +/* +** License Applicability. Except to the extent portions of this file are +** made subject to an alternative license as permitted in the SGI Free +** Software License B, Version 1.1 (the "License"), the contents of this +** file are subject only to the provisions of the License. You may not use +** this file except in compliance with the License. You may obtain a copy +** of the License at Silicon Graphics, Inc., attn: Legal Services, 1600 +** Amphitheatre Parkway, Mountain View, CA 94043-1351, or at: +** +** http://oss.sgi.com/projects/FreeB +** +** Note that, as provided in the License, the Software is distributed on an +** "AS IS" basis, with ALL EXPRESS AND IMPLIED WARRANTIES AND CONDITIONS +** DISCLAIMED, INCLUDING, WITHOUT LIMITATION, ANY IMPLIED WARRANTIES AND +** CONDITIONS OF MERCHANTABILITY, SATISFACTORY QUALITY, FITNESS FOR A +** PARTICULAR PURPOSE, AND NON-INFRINGEMENT. +** +** Original Code. The Original Code is: OpenGL Sample Implementation, +** Version 1.2.1, released January 26, 2000, developed by Silicon Graphics, +** Inc. The Original Code is Copyright (c) 1991-2000 Silicon Graphics, Inc. +** Copyright in any portions created by third parties is as indicated +** elsewhere herein. All Rights Reserved. +** +** Additional Notice Provisions: The application programming interfaces +** established by SGI in conjunction with the Original Code are The +** OpenGL(R) Graphics System: A Specification (Version 1.2.1), released +** April 1, 1999; The OpenGL(R) Graphics System Utility Library (Version +** 1.3), released November 4, 1998; and OpenGL(R) Graphics with the X +** Window System(R) (Version 1.3), released October 19, 1998. This software +** was created using the OpenGL(R) version 1.2.1 Sample Implementation +** published by SGI, but has not been independently verified as being +** compliant with the OpenGL(R) version 1.2.1 Specification. +*/ + +/* + * glrenderer.h + * + * $Date: 2001/03/17 00:25:40 $ $Revision: 1.1 $ + * $Header: /home/krh/git/sync/mesa-cvs-repo/Mesa/src/glu/sgi/libnurbs/interface/glrenderer.h,v 1.1 2001/03/17 00:25:40 brianp Exp $ + */ + +#ifndef __gluglrenderer_h_ +#define __gluglrenderer_h_ + +#include <GL/gl.h> +#include <GL/glu.h> +#include "nurbstess.h" +#include "glsurfeval.h" +#include "glcurveval.h" + +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; } + + void (GLAPIENTRY *errorCallback)( GLenum ); + void postError( int which ) + { if (errorCallback) (*errorCallback)( (GLenum)which ); } + + void putSurfCallBack(GLenum which, GLvoid (GLAPIENTRY *fn)(...)) + { + 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_ */ |