diff options
Diffstat (limited to 'progs/redbook/tess.c')
| -rw-r--r-- | progs/redbook/tess.c | 48 |
1 files changed, 24 insertions, 24 deletions
diff --git a/progs/redbook/tess.c b/progs/redbook/tess.c index cef35dbbe98..e8c840fc6e3 100644 --- a/progs/redbook/tess.c +++ b/progs/redbook/tess.c @@ -1,13 +1,13 @@ /* * Copyright (c) 1993-1997, Silicon Graphics, Inc. - * ALL RIGHTS RESERVED - * Permission to use, copy, modify, and distribute this software for + * ALL RIGHTS RESERVED + * Permission to use, copy, modify, and distribute this software for * any purpose and without fee is hereby granted, provided that the above * copyright notice appear in all copies and that both the copyright notice - * and this permission notice appear in supporting documentation, and that + * and this permission notice appear in supporting documentation, and that * the name of Silicon Graphics, Inc. not be used in advertising * or publicity pertaining to distribution of the software without specific, - * written prior permission. + * written prior permission. * * THE MATERIAL EMBODIED ON THIS SOFTWARE IS PROVIDED TO YOU "AS-IS" * AND WITHOUT WARRANTY OF ANY KIND, EXPRESS, IMPLIED OR OTHERWISE, @@ -21,8 +21,8 @@ * ADVISED OF THE POSSIBILITY OF SUCH LOSS, HOWEVER CAUSED AND ON * ANY THEORY OF LIABILITY, ARISING OUT OF OR IN CONNECTION WITH THE * POSSESSION, USE OR PERFORMANCE OF THIS SOFTWARE. - * - * US Government Users Restricted Rights + * + * US Government Users Restricted Rights * Use, duplication, or disclosure by the Government is subject to * restrictions set forth in FAR 52.227.19(c)(2) or subparagraph * (c)(1)(ii) of the Rights in Technical Data and Computer Software @@ -45,7 +45,7 @@ * Note the exterior rectangle is drawn with its vertices * in counter-clockwise order, but its interior clockwise. * Note the combineCallback is needed for the self-intersecting - * star. Also note that removing the TessProperty for the + * star. Also note that removing the TessProperty for the * star will make the interior unshaded (WINDING_ODD). */ #include <GL/glut.h> @@ -102,7 +102,7 @@ void CALLBACK vertexCallback(GLvoid *vertex) * but weight[4] may be used to average color, normal, or texture * coordinate data. In this program, color is weighted. */ -void CALLBACK combineCallback(GLdouble coords[3], +void CALLBACK combineCallback(GLdouble coords[3], GLdouble *vertex_data[4], GLfloat weight[4], GLdouble **dataOut ) { @@ -114,15 +114,15 @@ void CALLBACK combineCallback(GLdouble coords[3], vertex[0] = coords[0]; vertex[1] = coords[1]; vertex[2] = coords[2]; - for (i = 3; i < 7; i++) - vertex[i] = weight[0] * vertex_data[0][i] + for (i = 3; i < 6; i++) + vertex[i] = weight[0] * vertex_data[0][i] + weight[1] * vertex_data[1][i] - + weight[2] * vertex_data[2][i] + + weight[2] * vertex_data[2][i] + weight[3] * vertex_data[3][i]; *dataOut = vertex; } -void init (void) +void init (void) { GLUtesselator *tobj; GLdouble rect[4][3] = {50.0, 50.0, 0.0, @@ -143,18 +143,18 @@ void init (void) startList = glGenLists(2); tobj = gluNewTess(); - gluTessCallback(tobj, GLU_TESS_VERTEX, + gluTessCallback(tobj, GLU_TESS_VERTEX, (GLvoid (CALLBACK*) ()) &glVertex3dv); - gluTessCallback(tobj, GLU_TESS_BEGIN, + gluTessCallback(tobj, GLU_TESS_BEGIN, (GLvoid (CALLBACK*) ()) &beginCallback); - gluTessCallback(tobj, GLU_TESS_END, + gluTessCallback(tobj, GLU_TESS_END, (GLvoid (CALLBACK*) ()) &endCallback); - gluTessCallback(tobj, GLU_TESS_ERROR, + gluTessCallback(tobj, GLU_TESS_ERROR, (GLvoid (CALLBACK*) ()) &errorCallback); /* rectangle with triangular hole inside */ glNewList(startList, GL_COMPILE); - glShadeModel(GL_FLAT); + glShadeModel(GL_FLAT); gluTessBeginPolygon(tobj, NULL); gluTessBeginContour(tobj); gluTessVertex(tobj, rect[0], rect[0]); @@ -170,20 +170,20 @@ void init (void) gluTessEndPolygon(tobj); glEndList(); - gluTessCallback(tobj, GLU_TESS_VERTEX, + gluTessCallback(tobj, GLU_TESS_VERTEX, (GLvoid (CALLBACK*) ()) &vertexCallback); - gluTessCallback(tobj, GLU_TESS_BEGIN, + gluTessCallback(tobj, GLU_TESS_BEGIN, (GLvoid (CALLBACK*) ()) &beginCallback); - gluTessCallback(tobj, GLU_TESS_END, + gluTessCallback(tobj, GLU_TESS_END, (GLvoid (CALLBACK*) ()) &endCallback); - gluTessCallback(tobj, GLU_TESS_ERROR, + gluTessCallback(tobj, GLU_TESS_ERROR, (GLvoid (CALLBACK*) ()) &errorCallback); - gluTessCallback(tobj, GLU_TESS_COMBINE, + gluTessCallback(tobj, GLU_TESS_COMBINE, (GLvoid (CALLBACK*) ()) &combineCallback); /* smooth shaded, self-intersecting star */ glNewList(startList + 1, GL_COMPILE); - glShadeModel(GL_SMOOTH); + glShadeModel(GL_SMOOTH); gluTessProperty(tobj, GLU_TESS_WINDING_RULE, GLU_TESS_WINDING_POSITIVE); gluTessBeginPolygon(tobj, NULL); @@ -228,7 +228,7 @@ int main(int argc, char** argv) glutReshapeFunc(reshape); glutKeyboardFunc(keyboard); glutMainLoop(); - return 0; + return 0; } #else |