2 * Mesa 3-D graphics library
5 * Copyright (C) 1999-2008 Brian Paul All Rights Reserved.
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:
14 * The above copyright notice and this permission notice shall be included
15 * in all copies or substantial portions of the Software.
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 * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
21 * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
22 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
25 * Keith Whitwell <keith@tungstengraphics.com>
29 #include "main/mtypes.h"
30 #include "main/bufferobj.h"
31 #include "main/imports.h"
33 #include "vbo_context.h"
37 static void vbo_save_callback_init( GLcontext
*ctx
)
39 ctx
->Driver
.NewList
= vbo_save_NewList
;
40 ctx
->Driver
.EndList
= vbo_save_EndList
;
41 ctx
->Driver
.SaveFlushVertices
= vbo_save_SaveFlushVertices
;
42 ctx
->Driver
.BeginCallList
= vbo_save_BeginCallList
;
43 ctx
->Driver
.EndCallList
= vbo_save_EndCallList
;
44 ctx
->Driver
.NotifySaveBegin
= vbo_save_NotifyBegin
;
49 void vbo_save_init( GLcontext
*ctx
)
51 struct vbo_context
*vbo
= vbo_context(ctx
);
52 struct vbo_save_context
*save
= &vbo
->save
;
56 vbo_save_api_init( save
);
57 vbo_save_callback_init(ctx
);
60 struct gl_client_array
*arrays
= save
->arrays
;
63 memcpy(arrays
, vbo
->legacy_currval
, 16 * sizeof(arrays
[0]));
64 memcpy(arrays
+ 16, vbo
->generic_currval
, 16 * sizeof(arrays
[0]));
66 for (i
= 0; i
< 16; ++i
) {
67 arrays
[i
].BufferObj
= NULL
;
68 arrays
[i
+ 16].BufferObj
= NULL
;
69 _mesa_reference_buffer_object(ctx
, &arrays
[i
].BufferObj
,
70 vbo
->legacy_currval
[i
].BufferObj
);
71 _mesa_reference_buffer_object(ctx
, &arrays
[i
+ 16].BufferObj
,
72 vbo
->generic_currval
[i
].BufferObj
);
76 ctx
->Driver
.CurrentSavePrimitive
= PRIM_UNKNOWN
;
80 void vbo_save_destroy( GLcontext
*ctx
)
82 struct vbo_context
*vbo
= vbo_context(ctx
);
83 struct vbo_save_context
*save
= &vbo
->save
;
86 if (save
->prim_store
) {
87 if ( --save
->prim_store
->refcount
== 0 ) {
88 FREE( save
->prim_store
);
89 save
->prim_store
= NULL
;
91 if ( --save
->vertex_store
->refcount
== 0 ) {
92 _mesa_reference_buffer_object(ctx
,
93 &save
->vertex_store
->bufferobj
, NULL
);
94 FREE( save
->vertex_store
);
95 save
->vertex_store
= NULL
;
99 for (i
= 0; i
< VBO_ATTRIB_MAX
; i
++) {
100 _mesa_reference_buffer_object(ctx
, &save
->arrays
[i
].BufferObj
, NULL
);
107 /* Note that this can occur during the playback of a display list:
109 void vbo_save_fallback( GLcontext
*ctx
, GLboolean fallback
)
111 struct vbo_save_context
*save
= &vbo_context(ctx
)->save
;
114 save
->replay_flags
|= VBO_SAVE_FALLBACK
;
116 save
->replay_flags
&= ~VBO_SAVE_FALLBACK
;