src/mesa/vbo/vbo_split.h

   1 /*
   2  * mesa 3-D graphics library
   3  * Version:  6.5
   4  *
   5  * Copyright (C) 1999-2006  Brian Paul   All Rights Reserved.
   6  *
   7  * Permission is hereby granted, free of charge, to any person obtaining a
   8  * copy of this software and associated documentation files (the "Software"),
   9  * to deal in the Software without restriction, including without limitation
  10  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
  11  * and/or sell copies of the Software, and to permit persons to whom the
  12  * Software is furnished to do so, subject to the following conditions:
  13  *
  14  * The above copyright notice and this permission notice shall be included
  15  * in all copies or substantial portions of the Software.
  16  *
  17  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
  18  * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  19  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
  20  * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
  21  * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
  22  * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
  23  * OTHER DEALINGS IN THE SOFTWARE.
  24  */
  25
  26 /**
  27  * \file vbo_context.h
  28  * \brief VBO builder module datatypes and definitions.
  29  * \author Keith Whitwell
  30  */
  31
  32
  33 /**
  34  * \mainpage The VBO splitter
  35  *
  36  * This is the private data used internally to the vbo_split_prims()
  37  * helper function.  Nobody outside the vbo_split* files needs to
  38  * include or know about this structure.
  39  */
  40
  41
  42 #ifndef _VBO_SPLIT_H
  43 #define _VBO_SPLIT_H
  44
  45 #include "vbo.h"
  46
  47
  48 /* True if a primitive can be split without copying of vertices, false
  49  * otherwise.
  50  */
  51 GLboolean split_prim_inplace(GLenum mode, GLuint *first, GLuint *incr);
  52
  53 void vbo_split_inplace( struct gl_context *ctx,
  54                         const struct gl_client_array *arrays[],
  55                         const struct _mesa_prim *prim,
  56                         GLuint nr_prims,
  57                         const struct _mesa_index_buffer *ib,
  58                         GLuint min_index,
  59                         GLuint max_index,
  60                         vbo_draw_func draw,
  61                         const struct split_limits *limits );
  62
  63 /* Requires ib != NULL:
  64  */
  65 void vbo_split_copy( struct gl_context *ctx,
  66                      const struct gl_client_array *arrays[],
  67                      const struct _mesa_prim *prim,
  68                      GLuint nr_prims,
  69                      const struct _mesa_index_buffer *ib,
  70                      vbo_draw_func draw,
  71                      const struct split_limits *limits );
  72
  73 #endif