mirror of
https://github.com/reactos/reactos.git
synced 2025-01-12 01:00:06 +00:00
161 lines
5.5 KiB
C++
161 lines
5.5 KiB
C++
/*
|
|
** 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.
|
|
*/
|
|
|
|
/*
|
|
* glcurveval.h
|
|
*
|
|
*/
|
|
|
|
#ifndef __gluglcurveval_h_
|
|
#define __gluglcurveval_h_
|
|
|
|
#include "gluos.h"
|
|
#include <GL/gl.h>
|
|
#include <GL/glu.h>
|
|
#include "basiccrveval.h"
|
|
|
|
class CurveMap;
|
|
|
|
/*for internal evaluator callback stuff*/
|
|
#ifndef IN_MAX_BEZIER_ORDER
|
|
#define IN_MAX_BEZIER_ORDER 40 /*XXX should be bigger than machine order*/
|
|
#endif
|
|
|
|
#ifndef IN_MAX_DIMENSION
|
|
#define IN_MAX_DIMENSION 4
|
|
#endif
|
|
|
|
typedef struct curveEvalMachine{
|
|
REAL uprime; //cached previously evaluated uprime
|
|
int k; //the dimension
|
|
REAL u1;
|
|
REAL u2;
|
|
int ustride;
|
|
int uorder;
|
|
REAL ctlpoints[IN_MAX_BEZIER_ORDER*IN_MAX_DIMENSION];
|
|
REAL ucoeff[IN_MAX_BEZIER_ORDER];//cache the polynomial values
|
|
} curveEvalMachine;
|
|
|
|
class OpenGLCurveEvaluator : public BasicCurveEvaluator {
|
|
public:
|
|
OpenGLCurveEvaluator(void);
|
|
virtual ~OpenGLCurveEvaluator(void);
|
|
void range1f(long, REAL *, REAL *);
|
|
void domain1f(REAL, REAL);
|
|
void addMap(CurveMap *);
|
|
|
|
void enable(long);
|
|
void disable(long);
|
|
void bgnmap1f(long);
|
|
void map1f(long, REAL, REAL, long, long, REAL *);
|
|
void mapgrid1f(long, REAL, REAL);
|
|
void mapmesh1f(long, long, long);
|
|
void evalpoint1i(long);
|
|
void evalcoord1f(long, REAL);
|
|
void endmap1f(void);
|
|
|
|
void bgnline(void);
|
|
void endline(void);
|
|
|
|
void put_vertices_call_back(int flag)
|
|
{
|
|
output_triangles = flag;
|
|
}
|
|
#ifdef _WIN32
|
|
void putCallBack(GLenum which, void (APIENTRY *fn)() );
|
|
#else
|
|
void putCallBack(GLenum which, _GLUfuncptr fn );
|
|
#endif
|
|
void set_callback_userData(void *data)
|
|
{
|
|
userData = data;
|
|
}
|
|
|
|
/*------------------begin for curveEvalMachine------------*/
|
|
curveEvalMachine em_vertex;
|
|
curveEvalMachine em_normal;
|
|
curveEvalMachine em_color;
|
|
curveEvalMachine em_texcoord;
|
|
int vertex_flag; //whether there is a vertex map or not
|
|
int normal_flag; //whether there is a normal map or not
|
|
int color_flag; //whether there is a color map or not
|
|
int texcoord_flag; //whether there is a texture map or not
|
|
|
|
REAL global_grid_u0;
|
|
REAL global_grid_u1;
|
|
int global_grid_nu;
|
|
|
|
void inMap1f(int which, //0: vert, 1: norm, 2: color, 3: tex
|
|
int dimension,
|
|
REAL ulower,
|
|
REAL uupper,
|
|
int ustride,
|
|
int uorder,
|
|
REAL *ctlpoints);
|
|
|
|
void inPreEvaluate(int order, REAL vprime, REAL *coeff);
|
|
void inDoDomain1(curveEvalMachine *em, REAL u, REAL *retPoint);
|
|
void inDoEvalCoord1(REAL u);
|
|
void inMapMesh1f(int umin, int umax);
|
|
|
|
void (GLAPIENTRY *beginCallBackN) (GLenum type);
|
|
void (GLAPIENTRY *endCallBackN) (void);
|
|
void (GLAPIENTRY *vertexCallBackN) (const GLfloat *vert);
|
|
void (GLAPIENTRY *normalCallBackN) (const GLfloat *normal);
|
|
void (GLAPIENTRY *colorCallBackN) (const GLfloat *color);
|
|
void (GLAPIENTRY *texcoordCallBackN) (const GLfloat *texcoord);
|
|
|
|
void (GLAPIENTRY *beginCallBackData) (GLenum type, void* data);
|
|
void (GLAPIENTRY *endCallBackData) (void* data);
|
|
void (GLAPIENTRY *vertexCallBackData) (const GLfloat *vert, void* data);
|
|
void (GLAPIENTRY *normalCallBackData) (const GLfloat *normal, void* data);
|
|
void (GLAPIENTRY *colorCallBackData) (const GLfloat *color, void* data);
|
|
void (GLAPIENTRY *texcoordCallBackData) (const GLfloat *texcoord, void* data);
|
|
|
|
void* userData; //the opaque pointer for Data callback functions
|
|
void beginCallBack(GLenum type, void* data);
|
|
void endCallBack(void* data);
|
|
void vertexCallBack(const GLfloat *vert, void *data);
|
|
void normalCallBack(const GLfloat *normal, void* data);
|
|
void colorCallBack(const GLfloat *color, void* data);
|
|
void texcoordCallBack(const GLfloat *texcoord, void* data);
|
|
|
|
|
|
/*------------------end for curveEvalMachine------------*/
|
|
|
|
private:
|
|
int output_triangles; //true 1; false 0
|
|
};
|
|
|
|
#endif /* __gluglcurveval_h_ */
|