diff options
Diffstat (limited to 'mesalib/src/glu/sgi/libnurbs/interface/glcurveval.cc')
-rw-r--r-- | mesalib/src/glu/sgi/libnurbs/interface/glcurveval.cc | 402 |
1 files changed, 0 insertions, 402 deletions
diff --git a/mesalib/src/glu/sgi/libnurbs/interface/glcurveval.cc b/mesalib/src/glu/sgi/libnurbs/interface/glcurveval.cc deleted file mode 100644 index b6591dba0..000000000 --- a/mesalib/src/glu/sgi/libnurbs/interface/glcurveval.cc +++ /dev/null @@ -1,402 +0,0 @@ -/* -** 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.c++ - * - */ - -/* Polynomial Evaluator Interface */ - -#include "gluos.h" -#include "glimports.h" -#include "glrenderer.h" -#include "glcurveval.h" -#include "nurbsconsts.h" - -OpenGLCurveEvaluator::OpenGLCurveEvaluator(void) -{ - //no default callback functions - beginCallBackN = NULL; - endCallBackN = NULL; - vertexCallBackN = NULL; - normalCallBackN = NULL; - colorCallBackN = NULL; - texcoordCallBackN = NULL; - beginCallBackData = NULL; - endCallBackData = NULL; - vertexCallBackData = NULL; - normalCallBackData = NULL; - colorCallBackData = NULL; - texcoordCallBackData = NULL; - - userData = NULL; - - vertex_flag = 0; - normal_flag = 0; - color_flag = 0; - texcoord_flag = 0; - - em_vertex.uprime = -1.0; - em_normal.uprime = -1.0; - em_color.uprime = -1.0; - em_texcoord.uprime = -1.0; - output_triangles = 0; // don't output triangles by default -} - -OpenGLCurveEvaluator::~OpenGLCurveEvaluator(void) -{ -} - -/* added nonsense to avoid the warning messages at compile time */ -void -OpenGLCurveEvaluator::addMap(CurveMap *m) -{ - m = m; -} - -void -OpenGLCurveEvaluator::range1f(long type, REAL *from, REAL *to) -{ - type = type; - from = from; - to = to; -} - -void -OpenGLCurveEvaluator::domain1f(REAL ulo, REAL uhi) -{ - ulo = ulo; - uhi = uhi; -} - -void -OpenGLCurveEvaluator::bgnline(void) -{ - if(output_triangles) - beginCallBack(GL_LINE_STRIP, userData); - else - glBegin((GLenum) GL_LINE_STRIP); -} - -void -OpenGLCurveEvaluator::endline(void) -{ - if(output_triangles) - endCallBack(userData); - else - glEnd(); -} - -/*--------------------------------------------------------------------------- - * disable - turn off a curve map - *--------------------------------------------------------------------------- - */ -void -OpenGLCurveEvaluator::disable(long type) -{ - glDisable((GLenum) type); -} - -/*--------------------------------------------------------------------------- - * enable - turn on a curve map - *--------------------------------------------------------------------------- - */ -void -OpenGLCurveEvaluator::enable(long type) -{ - glEnable((GLenum) type); -} - -/*------------------------------------------------------------------------- - * mapgrid1f - define a lattice of points with origin and offset - *------------------------------------------------------------------------- - */ -void -OpenGLCurveEvaluator::mapgrid1f(long nu, REAL u0, REAL u1) -{ - if(output_triangles) - { - global_grid_u0 = u0; - global_grid_u1 = u1; - global_grid_nu = (int) nu; - } - else - glMapGrid1f((GLint) nu, (GLfloat) u0, (GLfloat) u1); -} - -/*------------------------------------------------------------------------- - * bgnmap1 - preamble to curve definition and evaluations - *------------------------------------------------------------------------- - */ -void -OpenGLCurveEvaluator::bgnmap1f(long) -{ - if(output_triangles) - { - //initialized so that no maps are set initially - vertex_flag = 0; - normal_flag = 0; - color_flag = 0; - texcoord_flag = 0; - //no need to worry about gl states when doing callback - } - else - glPushAttrib((GLbitfield) GL_EVAL_BIT); -} - -/*------------------------------------------------------------------------- - * endmap1 - postamble to a curve map - *------------------------------------------------------------------------- - */ -void -OpenGLCurveEvaluator::endmap1f(void) -{ - if(output_triangles) - { - - } - else - glPopAttrib(); -} - -/*------------------------------------------------------------------------- - * map1f - pass a desription of a curve map - *------------------------------------------------------------------------- - */ -void -OpenGLCurveEvaluator::map1f( - long type, /* map type */ - REAL ulo, /* lower parametric bound */ - REAL uhi, /* upper parametric bound */ - long stride, /* distance to next point in REALS */ - long order, /* parametric order */ - REAL *pts /* control points */ -) -{ - if(output_triangles) - { - int dimension = 0; - int which = 0; - switch(type){ - case GL_MAP1_VERTEX_3: - which = 0; - dimension = 3; - break; - case GL_MAP1_VERTEX_4: - which=0; - dimension = 4; - break; - case GL_MAP1_INDEX: - which=2; - dimension = 1; - break; - case GL_MAP1_COLOR_4: - which=2; - dimension = 4; - break; - case GL_MAP1_NORMAL: - which=1; - dimension = 3; - break; - case GL_MAP1_TEXTURE_COORD_1: - which=3; - dimension = 1; - break; - case GL_MAP1_TEXTURE_COORD_2: - which=3; - dimension = 2; - break; - - case GL_MAP1_TEXTURE_COORD_3: - which=3; - dimension = 3; - break; - case GL_MAP1_TEXTURE_COORD_4: - which=3; - dimension = 4; - break; - } - inMap1f(which, dimension, ulo, uhi, stride, order, pts); - } - else - glMap1f((GLenum) type, (GLfloat) ulo, (GLfloat) uhi, (GLint) stride, - (GLint) order, (const GLfloat *) pts); -} - -/*------------------------------------------------------------------------- - * mapmesh1f - evaluate a mesh of points on lattice - *------------------------------------------------------------------------- - */ -void OpenGLCurveEvaluator::mapmesh1f(long style, long from, long to) -{ - if(output_triangles) - { - inMapMesh1f((int) from, (int) to); - } - else - { - switch(style) { - default: - case N_MESHFILL: - case N_MESHLINE: - glEvalMesh1((GLenum) GL_LINE, (GLint) from, (GLint) to); - break; - case N_MESHPOINT: - glEvalMesh1((GLenum) GL_POINT, (GLint) from, (GLint) to); - break; - } - } -} - -/*------------------------------------------------------------------------- - * evalpoint1i - evaluate a point on a curve - *------------------------------------------------------------------------- - */ -void OpenGLCurveEvaluator::evalpoint1i(long i) -{ - glEvalPoint1((GLint) i); -} - -/*------------------------------------------------------------------------- - * evalcoord1f - evaluate a point on a curve - *------------------------------------------------------------------------- - */ -void OpenGLCurveEvaluator::evalcoord1f(long, REAL u) -{ - glEvalCoord1f((GLfloat) u); -} - -void -#ifdef _WIN32 -OpenGLCurveEvaluator::putCallBack(GLenum which, void (GLAPIENTRY *fn)()) -#else -OpenGLCurveEvaluator::putCallBack(GLenum which, _GLUfuncptr fn) -#endif -{ - switch(which) - { - case GLU_NURBS_BEGIN: - beginCallBackN = (void (GLAPIENTRY *) (GLenum)) fn; - break; - case GLU_NURBS_END: - endCallBackN = (void (GLAPIENTRY *) (void)) fn; - break; - case GLU_NURBS_VERTEX: - vertexCallBackN = (void (GLAPIENTRY *) (const GLfloat*)) fn; - break; - case GLU_NURBS_NORMAL: - normalCallBackN = (void (GLAPIENTRY *) (const GLfloat*)) fn; - break; - case GLU_NURBS_COLOR: - colorCallBackN = (void (GLAPIENTRY *) (const GLfloat*)) fn; - break; - case GLU_NURBS_TEXTURE_COORD: - texcoordCallBackN = (void (GLAPIENTRY *) (const GLfloat*)) fn; - break; - case GLU_NURBS_BEGIN_DATA: - beginCallBackData = (void (GLAPIENTRY *) (GLenum, void*)) fn; - break; - case GLU_NURBS_END_DATA: - endCallBackData = (void (GLAPIENTRY *) (void*)) fn; - break; - case GLU_NURBS_VERTEX_DATA: - vertexCallBackData = (void (GLAPIENTRY *) (const GLfloat*, void*)) fn; - break; - case GLU_NURBS_NORMAL_DATA: - normalCallBackData = (void (GLAPIENTRY *) (const GLfloat*, void*)) fn; - break; - case GLU_NURBS_COLOR_DATA: - colorCallBackData = (void (GLAPIENTRY *) (const GLfloat*, void*)) fn; - break; - case GLU_NURBS_TEXTURE_COORD_DATA: - texcoordCallBackData = (void (GLAPIENTRY *) (const GLfloat*, void*)) fn; - break; - } -} - -void -OpenGLCurveEvaluator::beginCallBack(GLenum which, void *data) -{ - if(beginCallBackData) - beginCallBackData(which, data); - else if(beginCallBackN) - beginCallBackN(which); -} - -void -OpenGLCurveEvaluator::endCallBack(void *data) -{ - if(endCallBackData) - endCallBackData(data); - else if(endCallBackN) - endCallBackN(); -} - -void -OpenGLCurveEvaluator::vertexCallBack(const GLfloat *vert, void* data) -{ - if(vertexCallBackData) - vertexCallBackData(vert, data); - else if(vertexCallBackN) - vertexCallBackN(vert); -} - - -void -OpenGLCurveEvaluator::normalCallBack(const GLfloat *normal, void* data) -{ - if(normalCallBackData) - normalCallBackData(normal, data); - else if(normalCallBackN) - normalCallBackN(normal); -} - -void -OpenGLCurveEvaluator::colorCallBack(const GLfloat *color, void* data) -{ - if(colorCallBackData) - colorCallBackData(color, data); - else if(colorCallBackN) - colorCallBackN(color); -} - -void -OpenGLCurveEvaluator::texcoordCallBack(const GLfloat *texcoord, void* data) -{ - if(texcoordCallBackData) - texcoordCallBackData(texcoord, data); - else if(texcoordCallBackN) - texcoordCallBackN(texcoord); -} |