1 /* 2 * mesa 3-D graphics library 3 * 4 * Copyright (C) 1999-2006 Brian Paul All Rights Reserved. 5 * 6 * Permission is hereby granted, free of charge, to any person obtaining a 7 * copy of this software and associated documentation files (the "Software"), 8 * to deal in the Software without restriction, including without limitation 9 * the rights to use, copy, modify, merge, publish, distribute, sublicense, 10 * and/or sell copies of the Software, and to permit persons to whom the 11 * Software is furnished to do so, subject to the following conditions: 12 * 13 * The above copyright notice and this permission notice shall be included 14 * in all copies or substantial portions of the Software. 15 * 16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS 17 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 18 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL 19 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR 20 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, 21 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR 22 * OTHER DEALINGS IN THE SOFTWARE. 23 */ 24 25 /** 26 * \brief VBO builder module datatypes and definitions. 27 * \author Keith Whitwell 28 */ 29 30 31 /** 32 * \mainpage The TNL splitter 33 * 34 * This is the private data used internally to the _tnl_split_prims() 35 * helper function. Nobody outside the _tnl_split* files needs to 36 * include or know about this structure. 37 */ 38 39 40 #ifndef _TNL_SPLIT_H 41 #define _TNL_SPLIT_H 42 43 #include "tnl.h" 44 45 46 /* True if a primitive can be split without copying of vertices, false 47 * otherwise. 48 */ 49 GLboolean 50 _tnl_split_prim_inplace(GLenum mode, GLuint *first, GLuint *incr); 51 52 void 53 _tnl_split_inplace(struct gl_context *ctx, 54 const struct tnl_vertex_array arrays[], 55 const struct _mesa_prim *prim, 56 GLuint nr_prims, 57 const struct _mesa_index_buffer *ib, 58 GLuint num_instances, 59 GLuint base_instance, 60 tnl_draw_func draw, 61 const struct split_limits *limits); 62 63 /* Requires ib != NULL: 64 */ 65 void 66 _tnl_split_copy(struct gl_context *ctx, 67 const struct tnl_vertex_array arrays[], 68 const struct _mesa_prim *prim, 69 GLuint nr_prims, 70 const struct _mesa_index_buffer *ib, 71 tnl_draw_func draw, 72 const struct split_limits *limits); 73 74 #endif 75