| /* |
| * 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 |
| * |
| * $Date: 2012/03/29 17:22:17 $ $Revision: 1.1.1.1 $ |
| * $Header: /cvs/bao-parsec/pkgs/libs/mesa/src/src/glu/sgi/libnurbs/interface/glrenderer.h,v 1.1.1.1 2012/03/29 17:22:17 uid42307 Exp $ |
| */ |
| |
| #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_ */ |