| /* |
| * SGI FREE SOFTWARE LICENSE B (Version 2.0, Sept. 18, 2008) |
| * Copyright (C) 1991-2000 Silicon Graphics, Inc. All Rights Reserved. |
| * |
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| * copy of this software and associated documentation files (the "Software"), |
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| * 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, |
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| * SOFTWARE. |
| * |
| * Except as contained in this notice, the name of Silicon Graphics, Inc. |
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| * Silicon Graphics, Inc. |
| */ |
| /* |
| ** $Header: /cvs/bao-parsec/pkgs/libs/mesa/src/src/glu/sgi/libnurbs/interface/bezierPatchMesh.h,v 1.1.1.1 2012/03/29 17:22:17 uid42307 Exp $ |
| */ |
| |
| #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 |