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"
40 static void vbo_save_callback_init( struct gl_context *ctx )
42 ctx->Driver.NewList = vbo_save_NewList;
43 ctx->Driver.EndList = vbo_save_EndList;
44 ctx->Driver.SaveFlushVertices = vbo_save_SaveFlushVertices;
45 ctx->Driver.BeginCallList = vbo_save_BeginCallList;
46 ctx->Driver.EndCallList = vbo_save_EndCallList;
47 ctx->Driver.NotifySaveBegin = vbo_save_NotifyBegin;
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->legacy_currval,
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->legacy_currval[i].BufferObj);
76 memcpy(arrays + VERT_ATTRIB_GENERIC(0), vbo->generic_currval,
77 VERT_ATTRIB_GENERIC_MAX * sizeof(arrays[0]));
78 for (i = 0; i < VERT_ATTRIB_GENERIC_MAX; ++i) {
79 struct gl_client_array *array;
80 array = &arrays[VERT_ATTRIB_GENERIC(i)];
81 array->BufferObj = NULL;
82 _mesa_reference_buffer_object(ctx, &array->BufferObj,
83 vbo->generic_currval[i].BufferObj);
87 ctx->Driver.CurrentSavePrimitive = PRIM_UNKNOWN;
91 void vbo_save_destroy( struct gl_context *ctx )
93 struct vbo_context *vbo = vbo_context(ctx);
94 struct vbo_save_context *save = &vbo->save;
97 if (save->prim_store) {
98 if ( --save->prim_store->refcount == 0 ) {
99 FREE( save->prim_store );
100 save->prim_store = NULL;
102 if ( --save->vertex_store->refcount == 0 ) {
103 _mesa_reference_buffer_object(ctx,
104 &save->vertex_store->bufferobj, NULL);
105 FREE( save->vertex_store );
106 save->vertex_store = NULL;
110 for (i = 0; i < VBO_ATTRIB_MAX; i++) {
111 _mesa_reference_buffer_object(ctx, &save->arrays[i].BufferObj, NULL);
118 /* Note that this can occur during the playback of a display list:
120 void vbo_save_fallback( struct gl_context *ctx, GLboolean fallback )
122 struct vbo_save_context *save = &vbo_context(ctx)->save;
125 save->replay_flags |= VBO_SAVE_FALLBACK;
127 save->replay_flags &= ~VBO_SAVE_FALLBACK;
131 #endif /* FEATURE_dlist */