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"
32 #include "main/mfeatures.h"
34 #include "vbo_context.h"
37 static void vbo_save_callback_init( struct gl_context
*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
;
50 * Called at context creation time.
52 void vbo_save_init( struct gl_context
*ctx
)
54 struct vbo_context
*vbo
= vbo_context(ctx
);
55 struct vbo_save_context
*save
= &vbo
->save
;
59 vbo_save_api_init( save
);
60 vbo_save_callback_init(ctx
);
63 struct gl_client_array
*arrays
= save
->arrays
;
66 memcpy(arrays
, &vbo
->currval
[VBO_ATTRIB_POS
],
67 VERT_ATTRIB_FF_MAX
* sizeof(arrays
[0]));
68 for (i
= 0; i
< VERT_ATTRIB_FF_MAX
; ++i
) {
69 struct gl_client_array
*array
;
70 array
= &arrays
[VERT_ATTRIB_FF(i
)];
71 array
->BufferObj
= NULL
;
72 _mesa_reference_buffer_object(ctx
, &arrays
->BufferObj
,
73 vbo
->currval
[VBO_ATTRIB_POS
+i
].BufferObj
);
76 memcpy(arrays
+ VERT_ATTRIB_GENERIC(0),
77 &vbo
->currval
[VBO_ATTRIB_GENERIC0
],
78 VERT_ATTRIB_GENERIC_MAX
* sizeof(arrays
[0]));
80 for (i
= 0; i
< VERT_ATTRIB_GENERIC_MAX
; ++i
) {
81 struct gl_client_array
*array
;
82 array
= &arrays
[VERT_ATTRIB_GENERIC(i
)];
83 array
->BufferObj
= NULL
;
84 _mesa_reference_buffer_object(ctx
, &array
->BufferObj
,
85 vbo
->currval
[VBO_ATTRIB_GENERIC0
+i
].BufferObj
);
89 ctx
->Driver
.CurrentSavePrimitive
= PRIM_UNKNOWN
;
93 void vbo_save_destroy( struct gl_context
*ctx
)
95 struct vbo_context
*vbo
= vbo_context(ctx
);
96 struct vbo_save_context
*save
= &vbo
->save
;
99 if (save
->prim_store
) {
100 if ( --save
->prim_store
->refcount
== 0 ) {
101 free(save
->prim_store
);
102 save
->prim_store
= NULL
;
104 if ( --save
->vertex_store
->refcount
== 0 ) {
105 _mesa_reference_buffer_object(ctx
,
106 &save
->vertex_store
->bufferobj
, NULL
);
107 free(save
->vertex_store
);
108 save
->vertex_store
= NULL
;
112 for (i
= 0; i
< VBO_ATTRIB_MAX
; i
++) {
113 _mesa_reference_buffer_object(ctx
, &save
->arrays
[i
].BufferObj
, NULL
);
120 /* Note that this can occur during the playback of a display list:
122 void vbo_save_fallback( struct gl_context
*ctx
, GLboolean fallback
)
124 struct vbo_save_context
*save
= &vbo_context(ctx
)->save
;
127 save
->replay_flags
|= VBO_SAVE_FALLBACK
;
129 save
->replay_flags
&= ~VBO_SAVE_FALLBACK
;