summaryrefslogtreecommitdiff
path: root/src/glu/mesa/nurbs.c
diff options
context:
space:
mode:
Diffstat (limited to 'src/glu/mesa/nurbs.c')
-rw-r--r--src/glu/mesa/nurbs.c628
1 files changed, 0 insertions, 628 deletions
diff --git a/src/glu/mesa/nurbs.c b/src/glu/mesa/nurbs.c
deleted file mode 100644
index 3f102b4e455..00000000000
--- a/src/glu/mesa/nurbs.c
+++ /dev/null
@@ -1,628 +0,0 @@
-
-/*
- * Mesa 3-D graphics library
- * Version: 3.3
- * Copyright (C) 1995-2000 Brian Paul
- *
- * This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Library General Public
- * License as published by the Free Software Foundation; either
- * version 2 of the License, or (at your option) any later version.
- *
- * This library is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- * Library General Public License for more details.
- *
- * You should have received a copy of the GNU Library General Public
- * License along with this library; if not, write to the Free
- * Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
- */
-
-
-/*
- * NURBS implementation written by Bogdan Sikorski (bogdan@cira.it)
- * See README2 for more info.
- */
-
-
-#ifdef PC_HEADER
-#include "all.h"
-#else
-#include <stdio.h>
-#include <stdlib.h>
-#include "gluP.h"
-#include "nurbs.h"
-#endif
-
-
-void
-call_user_error(GLUnurbsObj * nobj, GLenum error)
-{
- nobj->error = error;
- if (nobj->error_callback != NULL) {
- (*(nobj->error_callback)) (error);
- }
- else {
- printf("NURBS error %d %s\n", error, (char *) gluErrorString(error));
- }
-}
-
-
-
-GLUnurbsObj *GLAPIENTRY
-gluNewNurbsRenderer(void)
-{
- GLUnurbsObj *n;
- GLfloat tmp_viewport[4];
- GLint i, j;
-
- n = (GLUnurbsObj *) malloc(sizeof(GLUnurbsObj));
- if (n) {
- /* init */
- n->culling = GL_FALSE;
- n->nurbs_type = GLU_NURBS_NONE;
- n->error = GLU_NO_ERROR;
- n->error_callback = NULL;
- n->auto_load_matrix = GL_TRUE;
- n->sampling_tolerance = 50.0;
- n->parametric_tolerance = 0.5;
- n->u_step = n->v_step = 100;
- n->sampling_method = GLU_PATH_LENGTH;
- n->display_mode = GLU_FILL;
- /* in case the user doesn't supply the sampling matrices */
- /* set projection and modelview to identity */
- for (i = 0; i < 4; i++)
- for (j = 0; j < 4; j++)
- if (i == j) {
- n->sampling_matrices.model[i * 4 + j] = 1.0;
- n->sampling_matrices.proj[i * 4 + j] = 1.0;
- }
- else {
- n->sampling_matrices.model[i * 4 + j] = 0.0;
- n->sampling_matrices.proj[i * 4 + j] = 0.0;
- }
- /* and set the viewport sampling matrix to current ciewport */
- glGetFloatv(GL_VIEWPORT, tmp_viewport);
- for (i = 0; i < 4; i++)
- n->sampling_matrices.viewport[i] = tmp_viewport[i];
- n->trim = NULL;
- }
- return n;
-}
-
-
-
-void GLAPIENTRY
-gluDeleteNurbsRenderer(GLUnurbsObj * nobj)
-{
- if (nobj) {
- free(nobj);
- }
-}
-
-
-
-void GLAPIENTRY
-gluLoadSamplingMatrices(GLUnurbsObj * nobj,
- const GLfloat modelMatrix[16],
- const GLfloat projMatrix[16], const GLint viewport[4])
-{
- GLint i;
-
- for (i = 0; i < 16; i++) {
- nobj->sampling_matrices.model[i] = modelMatrix[i];
- nobj->sampling_matrices.proj[i] = projMatrix[i];
- }
- for (i = 0; i < 4; i++)
- nobj->sampling_matrices.viewport[i] = viewport[i];
-}
-
-
-void GLAPIENTRY
-gluNurbsProperty(GLUnurbsObj * nobj, GLenum property, GLfloat value)
-{
- GLenum val;
-
- switch (property) {
- case GLU_SAMPLING_TOLERANCE:
- if (value <= 0.0) {
- call_user_error(nobj, GLU_INVALID_VALUE);
- return;
- }
- nobj->sampling_tolerance = value;
- break;
- case GLU_PARAMETRIC_TOLERANCE:
- if (value <= 0.0) {
- call_user_error(nobj, GLU_INVALID_VALUE);
- return;
- }
- nobj->parametric_tolerance = value;
- break;
- case GLU_U_STEP:
- if (value <= 0.0) {
- call_user_error(nobj, GLU_INVALID_VALUE);
- return;
- }
- nobj->u_step = (GLint) value;
- break;
- case GLU_V_STEP:
- if (value <= 0.0) {
- call_user_error(nobj, GLU_INVALID_VALUE);
- return;
- }
- nobj->v_step = (GLint) value;
- break;
- case GLU_SAMPLING_METHOD:
- val = (GLenum) value;
- if (val != GLU_PATH_LENGTH && val != GLU_PARAMETRIC_ERROR
- && val != GLU_DOMAIN_DISTANCE) {
- call_user_error(nobj, GLU_INVALID_ENUM);
- return;
- }
- nobj->sampling_method = val;
- break;
- case GLU_DISPLAY_MODE:
- val = (GLenum) value;
- if (val != GLU_FILL && val != GLU_OUTLINE_POLYGON
- && val != GLU_OUTLINE_PATCH) {
- call_user_error(nobj, GLU_INVALID_ENUM);
- return;
- }
- if (nobj->nurbs_type == GLU_NURBS_CURVE) {
- call_user_error(nobj, GLU_NURBS_ERROR26);
- return;
- }
- nobj->display_mode = val;
- if (val == GLU_OUTLINE_PATCH)
- fprintf(stderr,
- "NURBS, for the moment, can display only in POLYGON mode\n");
- break;
- case GLU_CULLING:
- val = (GLenum) value;
- if (val != GL_TRUE && val != GL_FALSE) {
- call_user_error(nobj, GLU_INVALID_ENUM);
- return;
- }
- nobj->culling = (GLboolean) value;
- break;
- case GLU_AUTO_LOAD_MATRIX:
- val = (GLenum) value;
- if (val != GL_TRUE && val != GL_FALSE) {
- call_user_error(nobj, GLU_INVALID_ENUM);
- return;
- }
- nobj->auto_load_matrix = (GLboolean) value;
- break;
- default:
- call_user_error(nobj, GLU_NURBS_ERROR26);
- }
-}
-
-
-void GLAPIENTRY
-gluGetNurbsProperty(GLUnurbsObj * nobj, GLenum property, GLfloat * value)
-{
- switch (property) {
- case GLU_SAMPLING_TOLERANCE:
- *value = nobj->sampling_tolerance;
- break;
- case GLU_DISPLAY_MODE:
- *value = (GLfloat) (GLint) nobj->display_mode;
- break;
- case GLU_CULLING:
- *value = nobj->culling ? 1.0 : 0.0;
- break;
- case GLU_AUTO_LOAD_MATRIX:
- *value = nobj->auto_load_matrix ? 1.0 : 0.0;
- break;
- default:
- call_user_error(nobj, GLU_INVALID_ENUM);
- }
-}
-
-
-
-void GLAPIENTRY
-gluBeginCurve(GLUnurbsObj * nobj)
-{
- if (nobj->nurbs_type == GLU_NURBS_CURVE) {
- call_user_error(nobj, GLU_NURBS_ERROR6);
- return;
- }
- nobj->nurbs_type = GLU_NURBS_CURVE;
- nobj->curve.geom.type = GLU_INVALID_ENUM;
- nobj->curve.color.type = GLU_INVALID_ENUM;
- nobj->curve.texture.type = GLU_INVALID_ENUM;
- nobj->curve.normal.type = GLU_INVALID_ENUM;
-}
-
-
-void GLAPIENTRY
-gluEndCurve(GLUnurbsObj * nobj)
-{
- if (nobj->nurbs_type == GLU_NURBS_NONE) {
- call_user_error(nobj, GLU_NURBS_ERROR7);
- return;
- }
- if (nobj->curve.geom.type == GLU_INVALID_ENUM) {
- call_user_error(nobj, GLU_NURBS_ERROR8);
- nobj->nurbs_type = GLU_NURBS_NONE;
- return;
- }
- glPushAttrib((GLbitfield) (GL_EVAL_BIT | GL_ENABLE_BIT));
- glDisable(GL_MAP1_VERTEX_3);
- glDisable(GL_MAP1_VERTEX_4);
- glDisable(GL_MAP1_INDEX);
- glDisable(GL_MAP1_COLOR_4);
- glDisable(GL_MAP1_NORMAL);
- glDisable(GL_MAP1_TEXTURE_COORD_1);
- glDisable(GL_MAP1_TEXTURE_COORD_2);
- glDisable(GL_MAP1_TEXTURE_COORD_3);
- glDisable(GL_MAP1_TEXTURE_COORD_4);
- glDisable(GL_MAP2_VERTEX_3);
- glDisable(GL_MAP2_VERTEX_4);
- glDisable(GL_MAP2_INDEX);
- glDisable(GL_MAP2_COLOR_4);
- glDisable(GL_MAP2_NORMAL);
- glDisable(GL_MAP2_TEXTURE_COORD_1);
- glDisable(GL_MAP2_TEXTURE_COORD_2);
- glDisable(GL_MAP2_TEXTURE_COORD_3);
- glDisable(GL_MAP2_TEXTURE_COORD_4);
- do_nurbs_curve(nobj);
- glPopAttrib();
- nobj->nurbs_type = GLU_NURBS_NONE;
-}
-
-
-void GLAPIENTRY
-gluNurbsCurve(GLUnurbsObj * nobj, GLint nknots, GLfloat * knot,
- GLint stride, GLfloat * ctlarray, GLint order, GLenum type)
-{
- if (nobj->nurbs_type == GLU_NURBS_TRIM) {
-#if 0
-/* TODO: NOT IMPLEMENTED YET */
- nurbs_trim *ptr1;
- trim_list *ptr2;
-
- if (type != GLU_MAP1_TRIM_2 && type != GLU_MAP1_TRIM_3) {
- call_user_error(nobj, GLU_NURBS_ERROR14);
- return;
- }
- for (ptr1 = nobj->trim; ptr1->next; ptr1 = ptr1->next);
- if (ptr1->trim_loop) {
- for (ptr2 = ptr1->trim_loop; ptr2->next; ptr2 = ptr2->next);
- if ((ptr2->next = (trim_list *) malloc(sizeof(trim_list))) == NULL) {
- call_user_error(nobj, GLU_OUT_OF_MEMORY);
- return;
- }
- ptr2 = ptr2->next;
- }
- else {
- if ((ptr2 = (trim_list *) malloc(sizeof(trim_list))) == NULL) {
- call_user_error(nobj, GLU_OUT_OF_MEMORY);
- return;
- }
- ptr1->trim_loop = ptr2;
- }
- ptr2->trim_type = GLU_TRIM_NURBS;
- ptr2->curve.nurbs_curve.knot_count = nknots;
- ptr2->curve.nurbs_curve.knot = knot;
- ptr2->curve.nurbs_curve.stride = stride;
- ptr2->curve.nurbs_curve.ctrlarray = ctlarray;
- ptr2->curve.nurbs_curve.order = order;
- ptr2->curve.nurbs_curve.dim = (type == GLU_MAP1_TRIM_2 ? 2 : 3);
- ptr2->curve.nurbs_curve.type = type;
- ptr2->next = NULL;
-#endif
- }
- else {
- if (type == GLU_MAP1_TRIM_2 || type == GLU_MAP1_TRIM_3) {
- call_user_error(nobj, GLU_NURBS_ERROR22);
- return;
- }
- if (nobj->nurbs_type != GLU_NURBS_CURVE) {
- call_user_error(nobj, GLU_NURBS_ERROR10);
- return;
- }
- switch (type) {
- case GL_MAP1_VERTEX_3:
- case GL_MAP1_VERTEX_4:
- if (nobj->curve.geom.type != GLU_INVALID_ENUM) {
- call_user_error(nobj, GLU_NURBS_ERROR8);
- return;
- }
- nobj->curve.geom.type = type;
- nobj->curve.geom.knot_count = nknots;
- nobj->curve.geom.knot = knot;
- nobj->curve.geom.stride = stride;
- nobj->curve.geom.ctrlarray = ctlarray;
- nobj->curve.geom.order = order;
- break;
- case GL_MAP1_INDEX:
- case GL_MAP1_COLOR_4:
- nobj->curve.color.type = type;
- nobj->curve.color.knot_count = nknots;
- nobj->curve.color.knot = knot;
- nobj->curve.color.stride = stride;
- nobj->curve.color.ctrlarray = ctlarray;
- nobj->curve.color.order = order;
- break;
- case GL_MAP1_NORMAL:
- nobj->curve.normal.type = type;
- nobj->curve.normal.knot_count = nknots;
- nobj->curve.normal.knot = knot;
- nobj->curve.normal.stride = stride;
- nobj->curve.normal.ctrlarray = ctlarray;
- nobj->curve.normal.order = order;
- break;
- case GL_MAP1_TEXTURE_COORD_1:
- case GL_MAP1_TEXTURE_COORD_2:
- case GL_MAP1_TEXTURE_COORD_3:
- case GL_MAP1_TEXTURE_COORD_4:
- nobj->curve.texture.type = type;
- nobj->curve.texture.knot_count = nknots;
- nobj->curve.texture.knot = knot;
- nobj->curve.texture.stride = stride;
- nobj->curve.texture.ctrlarray = ctlarray;
- nobj->curve.texture.order = order;
- break;
- default:
- call_user_error(nobj, GLU_INVALID_ENUM);
- }
- }
-}
-
-
-void GLAPIENTRY
-gluBeginSurface(GLUnurbsObj * nobj)
-{
- switch (nobj->nurbs_type) {
- case GLU_NURBS_NONE:
- nobj->nurbs_type = GLU_NURBS_SURFACE;
- nobj->surface.geom.type = GLU_INVALID_ENUM;
- nobj->surface.color.type = GLU_INVALID_ENUM;
- nobj->surface.texture.type = GLU_INVALID_ENUM;
- nobj->surface.normal.type = GLU_INVALID_ENUM;
- break;
- case GLU_NURBS_TRIM:
- call_user_error(nobj, GLU_NURBS_ERROR16);
- break;
- case GLU_NURBS_SURFACE:
- case GLU_NURBS_NO_TRIM:
- case GLU_NURBS_TRIM_DONE:
- call_user_error(nobj, GLU_NURBS_ERROR27);
- break;
- case GLU_NURBS_CURVE:
- call_user_error(nobj, GLU_NURBS_ERROR6);
- break;
- }
-}
-
-
-void GLAPIENTRY
-gluEndSurface(GLUnurbsObj * nobj)
-{
- switch (nobj->nurbs_type) {
- case GLU_NURBS_NONE:
- call_user_error(nobj, GLU_NURBS_ERROR13);
- break;
- case GLU_NURBS_TRIM:
- call_user_error(nobj, GLU_NURBS_ERROR12);
- break;
- case GLU_NURBS_TRIM_DONE:
-/* if(nobj->trim->trim_loop==NULL)
- {
- call_user_error(nobj,GLU_NURBS_ERROR18);
- return;
- }*/
- /* no break - fallthrough */
- case GLU_NURBS_NO_TRIM:
- glPushAttrib((GLbitfield)
- (GL_EVAL_BIT | GL_ENABLE_BIT | GL_POLYGON_BIT));
- glDisable(GL_MAP2_VERTEX_3);
- glDisable(GL_MAP2_VERTEX_4);
- glDisable(GL_MAP2_INDEX);
- glDisable(GL_MAP2_COLOR_4);
- glDisable(GL_MAP2_NORMAL);
- glDisable(GL_MAP2_TEXTURE_COORD_1);
- glDisable(GL_MAP2_TEXTURE_COORD_2);
- glDisable(GL_MAP2_TEXTURE_COORD_3);
- glDisable(GL_MAP2_TEXTURE_COORD_4);
-/* glDisable(GL_MAP1_VERTEX_3);
- glDisable(GL_MAP1_VERTEX_4);
- glDisable(GL_MAP1_INDEX);
- glDisable(GL_MAP1_COLOR_4);
- glDisable(GL_MAP1_NORMAL);
- glDisable(GL_MAP1_TEXTURE_COORD_1);
- glDisable(GL_MAP1_TEXTURE_COORD_2);
- glDisable(GL_MAP1_TEXTURE_COORD_3);
- glDisable(GL_MAP1_TEXTURE_COORD_4);*/
- do_nurbs_surface(nobj);
- glPopAttrib();
- break;
- default:
- call_user_error(nobj, GLU_NURBS_ERROR8);
- }
- nobj->nurbs_type = GLU_NURBS_NONE;
-}
-
-
-void GLAPIENTRY
-gluNurbsSurface(GLUnurbsObj * nobj,
- GLint sknot_count, GLfloat * sknot,
- GLint tknot_count, GLfloat * tknot,
- GLint s_stride, GLint t_stride,
- GLfloat * ctrlarray, GLint sorder, GLint torder, GLenum type)
-{
- if (nobj->nurbs_type == GLU_NURBS_NO_TRIM
- || nobj->nurbs_type == GLU_NURBS_TRIM
- || nobj->nurbs_type == GLU_NURBS_TRIM_DONE) {
- if (type == GL_MAP2_VERTEX_3 || type == GL_MAP2_VERTEX_4) {
- call_user_error(nobj, GLU_NURBS_ERROR8);
- return;
- }
- }
- else if (nobj->nurbs_type != GLU_NURBS_SURFACE) {
- call_user_error(nobj, GLU_NURBS_ERROR11);
- return;
- }
- switch (type) {
- case GL_MAP2_VERTEX_3:
- case GL_MAP2_VERTEX_4:
- nobj->surface.geom.sknot_count = sknot_count;
- nobj->surface.geom.sknot = sknot;
- nobj->surface.geom.tknot_count = tknot_count;
- nobj->surface.geom.tknot = tknot;
- nobj->surface.geom.s_stride = s_stride;
- nobj->surface.geom.t_stride = t_stride;
- nobj->surface.geom.ctrlarray = ctrlarray;
- nobj->surface.geom.sorder = sorder;
- nobj->surface.geom.torder = torder;
- nobj->surface.geom.type = type;
- nobj->nurbs_type = GLU_NURBS_NO_TRIM;
- break;
- case GL_MAP2_INDEX:
- case GL_MAP2_COLOR_4:
- nobj->surface.color.sknot_count = sknot_count;
- nobj->surface.color.sknot = sknot;
- nobj->surface.color.tknot_count = tknot_count;
- nobj->surface.color.tknot = tknot;
- nobj->surface.color.s_stride = s_stride;
- nobj->surface.color.t_stride = t_stride;
- nobj->surface.color.ctrlarray = ctrlarray;
- nobj->surface.color.sorder = sorder;
- nobj->surface.color.torder = torder;
- nobj->surface.color.type = type;
- break;
- case GL_MAP2_NORMAL:
- nobj->surface.normal.sknot_count = sknot_count;
- nobj->surface.normal.sknot = sknot;
- nobj->surface.normal.tknot_count = tknot_count;
- nobj->surface.normal.tknot = tknot;
- nobj->surface.normal.s_stride = s_stride;
- nobj->surface.normal.t_stride = t_stride;
- nobj->surface.normal.ctrlarray = ctrlarray;
- nobj->surface.normal.sorder = sorder;
- nobj->surface.normal.torder = torder;
- nobj->surface.normal.type = type;
- break;
- case GL_MAP2_TEXTURE_COORD_1:
- case GL_MAP2_TEXTURE_COORD_2:
- case GL_MAP2_TEXTURE_COORD_3:
- case GL_MAP2_TEXTURE_COORD_4:
- nobj->surface.texture.sknot_count = sknot_count;
- nobj->surface.texture.sknot = sknot;
- nobj->surface.texture.tknot_count = tknot_count;
- nobj->surface.texture.tknot = tknot;
- nobj->surface.texture.s_stride = s_stride;
- nobj->surface.texture.t_stride = t_stride;
- nobj->surface.texture.ctrlarray = ctrlarray;
- nobj->surface.texture.sorder = sorder;
- nobj->surface.texture.torder = torder;
- nobj->surface.texture.type = type;
- break;
- default:
- call_user_error(nobj, GLU_INVALID_ENUM);
- }
-}
-
-
-void GLAPIENTRY
-gluNurbsCallback(GLUnurbsObj * nobj, GLenum which, void (GLCALLBACK * fn) ())
-{
- nobj->error_callback = (void (GLCALLBACKPCAST) (GLenum)) fn;
-
- if (which != GLU_ERROR)
- call_user_error(nobj, GLU_INVALID_ENUM);
-}
-
-void GLAPIENTRY
-gluBeginTrim(GLUnurbsObj * nobj)
-{
-#if 0
- nurbs_trim *ptr;
-#endif
-
- if (nobj->nurbs_type != GLU_NURBS_TRIM_DONE)
- if (nobj->nurbs_type != GLU_NURBS_NO_TRIM) {
- call_user_error(nobj, GLU_NURBS_ERROR15);
- return;
- }
- nobj->nurbs_type = GLU_NURBS_TRIM;
- fprintf(stderr, "NURBS - trimming not supported yet\n");
-#if 0
- if ((ptr = (nurbs_trim *) malloc(sizeof(nurbs_trim))) == NULL) {
- call_user_error(nobj, GLU_OUT_OF_MEMORY);
- return;
- }
- if (nobj->trim) {
- nurbs_trim *tmp_ptr;
-
- for (tmp_ptr = nobj->trim; tmp_ptr->next; tmp_ptr = tmp_ptr->next);
- tmp_ptr->next = ptr;
- }
- else
- nobj->trim = ptr;
- ptr->trim_loop = NULL;
- ptr->segments = NULL;
- ptr->next = NULL;
-#endif
-}
-
-void GLAPIENTRY
-gluPwlCurve(GLUnurbsObj * nobj, GLint count, GLfloat * array, GLint stride,
- GLenum type)
-{
-#if 0
- nurbs_trim *ptr1;
- trim_list *ptr2;
-#endif
- if (nobj->nurbs_type == GLU_NURBS_CURVE) {
- call_user_error(nobj, GLU_NURBS_ERROR9);
- return;
- }
- if (nobj->nurbs_type == GLU_NURBS_NONE) {
- call_user_error(nobj, GLU_NURBS_ERROR19);
- return;
- }
- if (type != GLU_MAP1_TRIM_2 && type != GLU_MAP1_TRIM_3) {
- call_user_error(nobj, GLU_NURBS_ERROR14);
- return;
- }
-#if 0
- for (ptr1 = nobj->trim; ptr1->next; ptr1 = ptr1->next);
- if (ptr1->trim_loop) {
- for (ptr2 = ptr1->trim_loop; ptr2->next; ptr2 = ptr2->next);
- if ((ptr2->next = (trim_list *) malloc(sizeof(trim_list))) == NULL) {
- call_user_error(nobj, GLU_OUT_OF_MEMORY);
- return;
- }
- ptr2 = ptr2->next;
- }
- else {
- if ((ptr2 = (trim_list *) malloc(sizeof(trim_list))) == NULL) {
- call_user_error(nobj, GLU_OUT_OF_MEMORY);
- return;
- }
- ptr1->trim_loop = ptr2;
- }
- ptr2->trim_type = GLU_TRIM_PWL;
- ptr2->curve.pwl_curve.pt_count = count;
- ptr2->curve.pwl_curve.ctrlarray = array;
- ptr2->curve.pwl_curve.stride = stride;
- ptr2->curve.pwl_curve.dim = (type == GLU_MAP1_TRIM_2 ? 2 : 3);
- ptr2->curve.pwl_curve.type = type;
- ptr2->next = NULL;
-#endif
-}
-
-void GLAPIENTRY
-gluEndTrim(GLUnurbsObj * nobj)
-{
- if (nobj->nurbs_type != GLU_NURBS_TRIM) {
- call_user_error(nobj, GLU_NURBS_ERROR17);
- return;
- }
- nobj->nurbs_type = GLU_NURBS_TRIM_DONE;
-}
generated by cgit v1.2.3 (git 2.39.1) at 2024-04-26 12:08:48 +0000