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/*
* port.h
*
* FUNCTION:
* This file contains defines for porting the tubing toolkit from GL to
* OpenGL to some callback scheme.
*
* HISTORY:
* Created by Linas Vepstas -- February 1993
* Added auto texture coord generation hacks, Linas April 1994
*/
#ifndef __GLE_PORT_H__
#define __GLE_PORT_H__
#ifndef TRUE
#define TRUE 1
#endif
#ifndef FALSE
#define FALSE 0
#endif
#ifndef M_PI
#define M_PI 3.14159265358979323846
#endif
/* ====================================================== */
/* Some compilers can't handle multiply-subscripted array's */
#ifdef FUNKY_C
typedef gleDouble gleVector;
#define AVAL(arr,n,i,j) arr(6*n+3*i+j)
#define VVAL(arr,n,i) arr(3*n+i)
#else /* FUNKY_C */
typedef double gleVector[3];
typedef double glePoint[2];
#define AVAL(arr,n,i,j) arr[n][i][j]
#define VVAL(arr,n,i) arr[n][i];
#endif /* FUNKY_C */
/* ====================================================== */
/* These are used to convey info about topography to the
* texture mapping routines */
#define FRONT 1
#define BACK 2
#define FRONT_CAP 3
#define BACK_CAP 4
#define FILLET 5
/* ====================================================== */
#define __GLE_DOUBLE
/* ====================================================== */
#ifdef __GLE_DOUBLE
#ifndef gleDouble
#define gleDouble double
#endif
#define urot_axis(a,b,c) urot_axis_d(a,b,c)
#define uview_direction(a,b,c) uview_direction_d(a,b,c)
#define uviewpoint(a,b,c,d) uviewpoint_d(a,b,c,d)
#define MULTMATRIX(m) MULTMATRIX_D(m)
#define LOADMATRIX(m) LOADMATRIX_D(m)
#define V3F(x,j,id) V3F_D(x,j,id)
#define N3F(x) N3F_D(x)
#define T2F(x,y) T2F_D(x,y)
#else
#define gleDouble float
#define urot_axis(a,b,c) urot_axis_f(a,b,c)
#define uview_direction(a,b,c) uview_direction_f(a,b,c)
#define uviewpoint(a,b,c,d) uviewpoint_f(a,b,c,d)
#define MULTMATRIX(m) MULTMATRIX_F(m)
#define LOADMATRIX(m) LOADMATRIX_F(m)
#define V3F(x,j,id) V3F_F(x,j,id)
#define N3F(x) N3F_F(x)
#define T2F(x,y) T2F_F(x,y)
#endif
/* ====================================================== */
#if (defined DEBUG_GL_32 || DEBUG_OPENGL_10)
#undef GL_32
#undef OPENGL_10
#define BGNTMESH(i,len) printf ("bgntmesh() \n");
#define ENDTMESH() printf ("endtmesh() \n");
#define BGNPOLYGON() printf ("bgnpolygon() \n");
#define ENDPOLYGON() printf ("endpolygon() \n");
#define V3F_F(x,j,id) printf ("v3f(x) %f %f %f \n", x[0], x[1], x[2]);
#define V3F_D(x,j,id) printf ("v3d(x) %f %f %f \n", x[0], x[1], x[2]);
#define N3F_F(x) printf ("n3f(x) %f %f %f \n", x[0], x[1], x[2]);
#define N3F_D(x) printf ("n3d(x) %f %f %f \n", x[0], x[1], x[2]);
#define C3F(x) printf ("c3f(x) %f %f %f \n", x[0], x[1], x[2]);
#define POPMATRIX() printf ("popmatrix () \n");
#define PUSHMATRIX() printf ("pushmatrix() \n");
#define MULTMATRIX_F(x) MULTMATRIX_D(x)
#define LOADMATRIX_F(x) LOADMATRIX_D(x)
#define LOADMATRIX_D(x) { \
int i, j; \
printf ("loadmatrix (x) \n"); \
for (i=0; i<4; i++) { \
for (j=0; j<4; j++) { \
printf ( "%f ", x[i][j]); \
} \
printf (" \n"); \
} \
}
#define MULTMATRIX_D(x) { \
int i, j; \
printf ("multmatrix (x) \n"); \
for (i=0; i<4; i++) { \
for (j=0; j<4; j++) { \
printf ( "%f ", x[i][j]); \
} \
printf (" \n"); \
} \
}
#define __IS_LIGHTING_ON (1)
#endif
/* ====================================================== */
#ifdef GL_32
#include <gl/gl.h>
#define BGNTMESH(i,len) bgntmesh()
#define ENDTMESH() endtmesh()
#define BGNPOLYGON() bgnpolygon()
#define ENDPOLYGON() endpolygon()
#define V3F_F(x,j,id) v3f(x)
#define V3F_D(x,j,id) v3d(x)
#define N3F_F(x) n3f(x)
#define T2F_F(x,y)
#define T2F_D(x,y)
#define C3F(x) c3f(x)
#define POPMATRIX() popmatrix ()
#define PUSHMATRIX() pushmatrix()
#define MULTMATRIX_F(x) multmatrix (x)
#define LOADMATRIX_F(x) loadmatrix (x)
#define N3F_D(x) { \
float nnn[3]; \
nnn[0] = (float) x[0]; \
nnn[1] = (float) x[1]; \
nnn[2] = (float) x[2]; \
n3f (nnn); \
}
#define LOADMATRIX_D(x) { \
int i, j; \
float mmm[4][4]; \
for (i=0; i<4; i++) { \
for (j=0; j<4; j++) { \
mmm[i][j] = (float) x[i][j]; \
} \
} \
loadmatrix(mmm); \
}
#define MULTMATRIX_D(x) { \
int i, j; \
float mmm[4][4]; \
for (i=0; i<4; i++) { \
for (j=0; j<4; j++) { \
mmm[i][j] = (float) x[i][j]; \
} \
} \
multmatrix(mmm); \
}
/* #define __IS_LIGHTING_ON (MSINGLE == getmmode()) */
#define __IS_LIGHTING_ON (extrusion_join_style & TUBE_LIGHTING_ON)
#endif /* GL_32 */
/* ====================================================== */
#ifdef OPENGL_10
#if defined(_WIN32)
#include <windows.h>
#pragma warning (disable:4244) /* disable bogus conversion warnings */
#endif
#include <OpenGL/gl.h>
#include <OpenGL/glu.h>
/*
#define N3F_F(x) { \
float nnn[3]; \
nnn[0] = - (float) x[0]; \
nnn[1] = - (float) x[1]; \
nnn[2] = - (float) x[2]; \
glNormal3fv (nnn); \
}
#define N3F_D(x) { \
float nnn[3]; \
nnn[0] = - (float) x[0]; \
nnn[1] = - (float) x[1]; \
nnn[2] = - (float) x[2]; \
glNormal3fv (nnn); \
}
*/
#define C3F(x) glColor3fv(x)
#define T2F_F(x,y) glTexCoord2f(x,y)
#define T2F_D(x,y) glTexCoord2d(x,y)
#define POPMATRIX() glPopMatrix()
#define PUSHMATRIX() glPushMatrix()
#define MULTMATRIX_F(x) glMultMatrixf ((const GLfloat *)x)
#define LOADMATRIX_F(x) glLoadMatrixf ((const GLfloat *)x)
#define MULTMATRIX_D(x) glMultMatrixd ((const GLdouble *)x)
#define LOADMATRIX_D(x) glLoadMatrixd ((const GLdouble *)x)
#define __IS_LIGHTING_ON (glIsEnabled(GL_LIGHTING))
/* ====================================================== */
#ifdef AUTO_TEXTURE
#define BGNTMESH(i,len) { \
if(_gle_gc -> bgn_gen_texture) (*(_gle_gc -> bgn_gen_texture))(i,len);\
glBegin (GL_TRIANGLE_STRIP); \
}
#define BGNPOLYGON() { \
if(_gle_gc -> bgn_gen_texture) (*(_gle_gc -> bgn_gen_texture))();\
glBegin (GL_POLYGON); \
}
#define N3F_F(x) { \
if(_gle_gc -> n3f_gen_texture) (*(_gle_gc -> n3f_gen_texture))(x); \
glNormal3fv(x); \
}
#define N3F_D(x) { \
if(_gle_gc -> n3d_gen_texture) (*(_gle_gc -> n3d_gen_texture))(x); \
glNormal3dv(x); \
}
#define V3F_F(x,j,id) { \
if(_gle_gc -> v3f_gen_texture) (*(_gle_gc -> v3f_gen_texture))(x,j,id);\
glVertex3fv(x); \
}
#define V3F_D(x,j,id) { \
if(_gle_gc -> v3d_gen_texture) (*(_gle_gc -> v3d_gen_texture))(x,j,id); \
glVertex3dv(x); \
}
#define ENDTMESH() { \
if(_gle_gc -> end_gen_texture) (*(_gle_gc -> end_gen_texture))(); \
glEnd (); \
}
#define ENDPOLYGON() { \
if(_gle_gc -> end_gen_texture) (*(_gle_gc -> end_gen_texture))(); \
glEnd (); \
}
/* ====================================================== */
#else /* AUTO_TEXTURE */
#define BGNTMESH(i,len) glBegin (GL_TRIANGLE_STRIP);
#define BGNPOLYGON() glBegin (GL_POLYGON);
#define N3F_F(x) glNormal3fv(x)
#define N3F_D(x) glNormal3dv(x)
#define V3F_F(x,j,id) glVertex3fv(x);
#define V3F_D(x,j,id) glVertex3dv(x);
#define ENDTMESH() glEnd ()
#define ENDPOLYGON() glEnd()
#endif /* AUTO_TEXTURE */
#endif /* OPENGL_10 */
/* ====================================================== */
#endif /* __GLE_PORT_H__ */
/* ================== END OF FILE ======================= */
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