1 /*
2 * Mesa 3-D graphics library
3 *
4 * Copyright (C) 1999-2008 Brian Paul All Rights Reserved.
5 *
6 * Permission is hereby granted, free of charge, to any person obtaining a
7 * copy of this software and associated documentation files (the "Software"),
8 * to deal in the Software without restriction, including without limitation
9 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
10 * and/or sell copies of the Software, and to permit persons to whom the
11 * Software is furnished to do so, subject to the following conditions:
12 *
13 * The above copyright notice and this permission notice shall be included
14 * in all copies or substantial portions of the Software.
15 *
16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
17 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
19 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
20 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
21 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
22 * OTHER DEALINGS IN THE SOFTWARE.
23 *
24 * Authors:
25 * Keith Whitwell <keithw@vmware.com>
26 */
27
28
29 #include "main/arrayobj.h"
30 #include "main/bufferobj.h"
31
32 #include "vbo_private.h"
33
34
35 /**
36 * Called at context creation time.
37 */
vbo_save_init(struct gl_context * ctx)38 void vbo_save_init( struct gl_context *ctx )
39 {
40 struct vbo_context *vbo = vbo_context(ctx);
41 struct vbo_save_context *save = &vbo->save;
42
43 save->ctx = ctx;
44
45 vbo_save_api_init( save );
46
47 for (gl_vertex_processing_mode vpm = VP_MODE_FF; vpm < VP_MODE_MAX; ++vpm)
48 save->VAO[vpm] = NULL;
49
50 save->no_current_update = false;
51
52 ctx->Driver.CurrentSavePrimitive = PRIM_OUTSIDE_BEGIN_END;
53 }
54
55
vbo_save_destroy(struct gl_context * ctx)56 void vbo_save_destroy( struct gl_context *ctx )
57 {
58 struct vbo_context *vbo = vbo_context(ctx);
59 struct vbo_save_context *save = &vbo->save;
60
61 for (gl_vertex_processing_mode vpm = VP_MODE_FF; vpm < VP_MODE_MAX; ++vpm)
62 _mesa_reference_vao(ctx, &save->VAO[vpm], NULL);
63
64 if (save->prim_store) {
65 if ( --save->prim_store->refcount == 0 ) {
66 free(save->prim_store);
67 save->prim_store = NULL;
68 }
69 }
70 if (save->vertex_store) {
71 _mesa_reference_buffer_object(ctx, &save->vertex_store->bufferobj, NULL);
72 free(save->vertex_store);
73 save->vertex_store = NULL;
74 }
75 }
76