src/mesa/main/arrayobj.h

   1 /*
   2  * Mesa 3-D graphics library
   3  *
   4  * Copyright (C) 1999-2004  Brian Paul   All Rights Reserved.
   5  * (C) Copyright IBM Corporation 2006
   6  * Copyright (C) 2009  VMware, Inc.  All Rights Reserved.
   7  *
   8  * Permission is hereby granted, free of charge, to any person obtaining a
   9  * copy of this software and associated documentation files (the "Software"),
  10  * to deal in the Software without restriction, including without limitation
  11  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
  12  * and/or sell copies of the Software, and to permit persons to whom the
  13  * Software is furnished to do so, subject to the following conditions:
  14  *
  15  * The above copyright notice and this permission notice shall be included
  16  * in all copies or substantial portions of the Software.
  17  *
  18  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
  19  * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  20  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
  21  * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
  22  * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
  23  * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
  24  * OTHER DEALINGS IN THE SOFTWARE.
  25  */
  26
  27 #ifndef ARRAYOBJ_H
  28 #define ARRAYOBJ_H
  29
  30 #include "glheader.h"
  31 #include "mtypes.h"
  32 #include "glformats.h"
  33
  34 struct gl_context;
  35
  36 /**
  37  * \file arrayobj.h
  38  * Functions for the GL_ARB_vertex_array_object extension.
  39  *
  40  * \author Ian Romanick <idr@us.ibm.com>
  41  * \author Brian Paul
  42  */
  43
  44 /*
  45  * Internal functions
  46  */
  47
  48 extern struct gl_vertex_array_object *
  49 _mesa_lookup_vao(struct gl_context *ctx, GLuint id);
  50
  51 extern struct gl_vertex_array_object *
  52 _mesa_lookup_vao_err(struct gl_context *ctx, GLuint id, const char *caller);
  53
  54 extern struct gl_vertex_array_object *
  55 _mesa_new_vao(struct gl_context *ctx, GLuint name);
  56
  57 extern void
  58 _mesa_delete_vao(struct gl_context *ctx, struct gl_vertex_array_object *obj);
  59
  60 extern void
  61 _mesa_reference_vao_(struct gl_context *ctx,
  62                      struct gl_vertex_array_object **ptr,
  63                      struct gl_vertex_array_object *vao);
  64
  65 static inline void
  66 _mesa_reference_vao(struct gl_context *ctx,
  67                     struct gl_vertex_array_object **ptr,
  68                     struct gl_vertex_array_object *vao)
  69 {
  70    if (*ptr != vao)
  71       _mesa_reference_vao_(ctx, ptr, vao);
  72 }
  73
  74
  75 extern void
  76 _mesa_initialize_vao(struct gl_context *ctx,
  77                      struct gl_vertex_array_object *obj, GLuint name);
  78
  79
  80 extern void
  81 _mesa_update_vao_client_arrays(struct gl_context *ctx,
  82                                struct gl_vertex_array_object *vao);
  83
  84 /* Returns true if all varying arrays reside in vbos */
  85 extern bool
  86 _mesa_all_varyings_in_vbos(const struct gl_vertex_array_object *vao);
  87
  88 /* Returns true if all vbos are unmapped */
  89 extern bool
  90 _mesa_all_buffers_are_unmapped(const struct gl_vertex_array_object *vao);
  91
  92 /*
  93  * API functions
  94  */
  95
  96
  97 void GLAPIENTRY _mesa_BindVertexArray( GLuint id );
  98
  99 void GLAPIENTRY _mesa_DeleteVertexArrays(GLsizei n, const GLuint *ids);
 100
 101 void GLAPIENTRY _mesa_GenVertexArrays(GLsizei n, GLuint *arrays);
 102
 103 void GLAPIENTRY _mesa_CreateVertexArrays(GLsizei n, GLuint *arrays);
 104
 105 GLboolean GLAPIENTRY _mesa_IsVertexArray( GLuint id );
 106
 107 void GLAPIENTRY _mesa_VertexArrayElementBuffer(GLuint vaobj, GLuint buffer);
 108
 109 void GLAPIENTRY _mesa_GetVertexArrayiv(GLuint vaobj, GLenum pname, GLint *param);
 110
 111 #endif /* ARRAYOBJ_H */