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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_APPLE_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
_mesa_reference_vao(struct gl_context * ctx,struct gl_vertex_array_object ** ptr,struct gl_vertex_array_object * vao)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_BindVertexArrayAPPLE( GLuint id );
100 
101 void GLAPIENTRY _mesa_DeleteVertexArrays(GLsizei n, const GLuint *ids);
102 
103 void GLAPIENTRY _mesa_GenVertexArrays(GLsizei n, GLuint *arrays);
104 
105 void GLAPIENTRY _mesa_GenVertexArraysAPPLE(GLsizei n, GLuint *buffer);
106 
107 void GLAPIENTRY _mesa_CreateVertexArrays(GLsizei n, GLuint *arrays);
108 
109 GLboolean GLAPIENTRY _mesa_IsVertexArray( GLuint id );
110 
111 void GLAPIENTRY _mesa_VertexArrayElementBuffer(GLuint vaobj, GLuint buffer);
112 
113 void GLAPIENTRY _mesa_GetVertexArrayiv(GLuint vaobj, GLenum pname, GLint *param);
114 
115 #endif /* ARRAYOBJ_H */
116