1 /*
2 * Mesa 3-D graphics library
3 * Version: 7.2
4 *
5 * Copyright (C) 1999-2008 Brian Paul All Rights Reserved.
6 *
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:
13 *
14 * The above copyright notice and this permission notice shall be included
15 * in all copies or substantial portions of the Software.
16 *
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.
23 *
24 * Authors:
25 * Keith Whitwell <keith@tungstengraphics.com>
26 */
27
28
29 #include "main/mtypes.h"
30 #include "main/bufferobj.h"
31 #include "main/imports.h"
32 #include "main/mfeatures.h"
33
34 #include "vbo_context.h"
35
36
37 #if FEATURE_dlist
38
39
vbo_save_callback_init(struct gl_context * ctx)40 static void vbo_save_callback_init( struct gl_context *ctx )
41 {
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;
48 }
49
50
51
52 /**
53 * Called at context creation time.
54 */
vbo_save_init(struct gl_context * ctx)55 void vbo_save_init( struct gl_context *ctx )
56 {
57 struct vbo_context *vbo = vbo_context(ctx);
58 struct vbo_save_context *save = &vbo->save;
59
60 save->ctx = ctx;
61
62 vbo_save_api_init( save );
63 vbo_save_callback_init(ctx);
64
65 {
66 struct gl_client_array *arrays = save->arrays;
67 unsigned i;
68
69 memcpy(arrays, &vbo->currval[VBO_ATTRIB_POS],
70 VERT_ATTRIB_FF_MAX * sizeof(arrays[0]));
71 for (i = 0; i < VERT_ATTRIB_FF_MAX; ++i) {
72 struct gl_client_array *array;
73 array = &arrays[VERT_ATTRIB_FF(i)];
74 array->BufferObj = NULL;
75 _mesa_reference_buffer_object(ctx, &arrays->BufferObj,
76 vbo->currval[VBO_ATTRIB_POS+i].BufferObj);
77 }
78
79 memcpy(arrays + VERT_ATTRIB_GENERIC(0),
80 &vbo->currval[VBO_ATTRIB_GENERIC0],
81 VERT_ATTRIB_GENERIC_MAX * sizeof(arrays[0]));
82
83 for (i = 0; i < VERT_ATTRIB_GENERIC_MAX; ++i) {
84 struct gl_client_array *array;
85 array = &arrays[VERT_ATTRIB_GENERIC(i)];
86 array->BufferObj = NULL;
87 _mesa_reference_buffer_object(ctx, &array->BufferObj,
88 vbo->currval[VBO_ATTRIB_GENERIC0+i].BufferObj);
89 }
90 }
91
92 ctx->Driver.CurrentSavePrimitive = PRIM_UNKNOWN;
93 }
94
95
vbo_save_destroy(struct gl_context * ctx)96 void vbo_save_destroy( struct gl_context *ctx )
97 {
98 struct vbo_context *vbo = vbo_context(ctx);
99 struct vbo_save_context *save = &vbo->save;
100 GLuint i;
101
102 if (save->prim_store) {
103 if ( --save->prim_store->refcount == 0 ) {
104 FREE( save->prim_store );
105 save->prim_store = NULL;
106 }
107 if ( --save->vertex_store->refcount == 0 ) {
108 _mesa_reference_buffer_object(ctx,
109 &save->vertex_store->bufferobj, NULL);
110 FREE( save->vertex_store );
111 save->vertex_store = NULL;
112 }
113 }
114
115 for (i = 0; i < VBO_ATTRIB_MAX; i++) {
116 _mesa_reference_buffer_object(ctx, &save->arrays[i].BufferObj, NULL);
117 }
118 }
119
120
121
122
123 /* Note that this can occur during the playback of a display list:
124 */
vbo_save_fallback(struct gl_context * ctx,GLboolean fallback)125 void vbo_save_fallback( struct gl_context *ctx, GLboolean fallback )
126 {
127 struct vbo_save_context *save = &vbo_context(ctx)->save;
128
129 if (fallback)
130 save->replay_flags |= VBO_SAVE_FALLBACK;
131 else
132 save->replay_flags &= ~VBO_SAVE_FALLBACK;
133 }
134
135
136 #endif /* FEATURE_dlist */
137