From a0c4815433ccd57322f4f7703ca35e9ccfa59250 Mon Sep 17 00:00:00 2001 From: marha Date: Thu, 8 Oct 2009 13:15:52 +0000 Subject: Added MesaLib-7.6 --- .../glu/sgi/libnurbs/interface/bezierPatchMesh.h | 120 +++++++++++++++++++++ 1 file changed, 120 insertions(+) create mode 100644 mesalib/src/glu/sgi/libnurbs/interface/bezierPatchMesh.h (limited to 'mesalib/src/glu/sgi/libnurbs/interface/bezierPatchMesh.h') diff --git a/mesalib/src/glu/sgi/libnurbs/interface/bezierPatchMesh.h b/mesalib/src/glu/sgi/libnurbs/interface/bezierPatchMesh.h new file mode 100644 index 000000000..449329665 --- /dev/null +++ b/mesalib/src/glu/sgi/libnurbs/interface/bezierPatchMesh.h @@ -0,0 +1,120 @@ +/* + * SGI FREE SOFTWARE LICENSE B (Version 2.0, Sept. 18, 2008) + * Copyright (C) 1991-2000 Silicon Graphics, Inc. All Rights Reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice including the dates of first publication and + * either this permission notice or a reference to + * http://oss.sgi.com/projects/FreeB/ + * shall be included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS + * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * SILICON GRAPHICS, INC. BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, + * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF + * OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + * + * Except as contained in this notice, the name of Silicon Graphics, Inc. + * shall not be used in advertising or otherwise to promote the sale, use or + * other dealings in this Software without prior written authorization from + * Silicon Graphics, Inc. + */ +/* +*/ + +#ifndef _BEZIERPATCHMESH_H +#define _BEZIERPATCHMESH_H + +#include "bezierPatch.h" + +typedef struct bezierPatchMesh{ + bezierPatch *bpatch; /*vertex*/ + bezierPatch *bpatch_normal; + bezierPatch *bpatch_texcoord; /*s,t,r,q*/ + bezierPatch *bpatch_color; /*RGBA*/ + + float *UVarray; /*all UV components of all vertices of all strips*/ + int *length_array; /*[i] is the number of vertices in the ith strip*/ + GLenum *type_array; /*[i] is the type of the ith primitive*/ + + /*to support dynamic insertion*/ + int size_UVarray; + int index_UVarray; + int size_length_array; + int index_length_array; + + int counter; /*track the current strip size*/ + GLenum type; /*track the current type: 0: GL_TRIANGLES, 1: GL_TRIANGLE_STRIP*/ + + /*we eventually want to evaluate from (u,v) to (x,y,z) and draw them*/ + float *vertex_array; /*each vertex contains three components*/ + float *normal_array; /*each normal contains three components*/ + float *color_array; + float *texcoord_array; + + /*in case we need a linked list*/ + struct bezierPatchMesh *next; +} bezierPatchMesh; + +#ifdef __cplusplus +extern "C" { +#endif + + + +bezierPatchMesh *bezierPatchMeshMake(int maptype, float umin, float umax, int ustride, int uorder, float vmin, float vmax, int vstride, int vorder, float *ctlpoints, int size_UVarray, int size_length_array); + +/*initilize patches to be null*/ +bezierPatchMesh *bezierPatchMeshMake2(int size_UVarray, int size_length_array); + +void bezierPatchMeshPutPatch(bezierPatchMesh *bpm, int maptype, float umin, float umax, int ustride, int uorder, float vmin, float vmax, int vstride, int vorder, float *ctlpoints); + +void bezierPatchMeshDelete(bezierPatchMesh *bpm); + +void bezierPatchMeshBeginStrip(bezierPatchMesh *bpm, GLenum type); + +void bezierPatchMeshEndStrip(bezierPatchMesh *bpm); + +void bezierPatchMeshInsertUV(bezierPatchMesh *bpm, float u, float v); + +void bezierPatchMeshPrint(bezierPatchMesh *bpm); + +bezierPatchMesh* bezierPatchMeshListInsert(bezierPatchMesh* list, bezierPatchMesh* bpm); + +void bezierPatchMeshListPrint(bezierPatchMesh* list); + +int bezierPatchMeshListTotalStrips(bezierPatchMesh* list); + +int bezierPatchMeshListTotalVert(bezierPatchMesh* list); +int bezierPatchMeshNumTriangles(bezierPatchMesh* bpm); +int bezierPatchMeshListNumTriangles(bezierPatchMesh* list); + +void bezierPatchMeshDelDeg(bezierPatchMesh* bpm); + + +void bezierPatchMeshEval(bezierPatchMesh* bpm); + +void bezierPatchMeshDraw(bezierPatchMesh* bpm); + +void bezierPatchMeshListDraw(bezierPatchMesh* list); +void bezierPatchMeshListEval(bezierPatchMesh* list); +void bezierPatchMeshListCollect(bezierPatchMesh* list, float **vertex_array, float **normal_array, int **length_array, GLenum **type_array, int *num_strips); + +void bezierPatchMeshListDelDeg(bezierPatchMesh* list); +void bezierPatchMeshListDelete(bezierPatchMesh *list); +bezierPatchMesh* bezierPatchMeshListReverse(bezierPatchMesh* list); +void drawStrips(float *vertex_array, float *normal_array, int *length_array, GLenum *type_array, int num_strips); + +#ifdef __cplusplus +} +#endif + +#endif -- cgit v1.2.3