/*
* 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,
* 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
* 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>
const GLubyte *estring;
estring = gluErrorString(errorCode);
- fprintf(stderr, "Tessellation Error: %s\n", estring);
+ fprintf(stderr, "Tessellation Error: %s\n", (char *) estring);
exit(0);
}
pointer = (GLdouble *) vertex;
glColor3dv(pointer+3);
- glVertex3dv(vertex);
+ glVertex3dv(pointer);
}
/* combineCallback is used to create a new vertex when edges
* 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 )
{
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,
- 200.0, 50.0, 0.0,
- 200.0, 200.0, 0.0,
- 50.0, 200.0, 0.0};
- GLdouble tri[3][3] = {75.0, 75.0, 0.0,
- 125.0, 175.0, 0.0,
- 175.0, 75.0, 0.0};
- GLdouble star[5][6] = {250.0, 50.0, 0.0, 1.0, 0.0, 1.0,
- 325.0, 200.0, 0.0, 1.0, 1.0, 0.0,
- 400.0, 50.0, 0.0, 0.0, 1.0, 1.0,
- 250.0, 150.0, 0.0, 1.0, 0.0, 0.0,
- 400.0, 150.0, 0.0, 0.0, 1.0, 0.0};
+ GLdouble rect[4][3] = {{50.0, 50.0, 0.0},
+ {200.0, 50.0, 0.0},
+ {200.0, 200.0, 0.0},
+ {50.0, 200.0, 0.0}};
+ GLdouble tri[3][3] = {{75.0, 75.0, 0.0},
+ {125.0, 175.0, 0.0},
+ {175.0, 75.0, 0.0}};
+ GLdouble star[5][6] = {{250.0, 50.0, 0.0, 1.0, 0.0, 1.0},
+ {325.0, 200.0, 0.0, 1.0, 1.0, 0.0},
+ {400.0, 50.0, 0.0, 0.0, 1.0, 1.0},
+ {250.0, 150.0, 0.0, 1.0, 0.0, 0.0},
+ {400.0, 150.0, 0.0, 0.0, 1.0, 0.0}};
glClearColor(0.0, 0.0, 0.0, 0.0);
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]);
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);
glutReshapeFunc(reshape);
glutKeyboardFunc(keyboard);
glutMainLoop();
- return 0;
+ return 0;
}
#else
projects / mesa.git / blobdiff