summaryrefslogtreecommitdiff
path: root/src/gallium/auxiliary/util/u_upload_mgr.h
blob: a124924fc80f113acd6db40c40ad42dcdc372d33 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
/**************************************************************************
 * 
 * Copyright 2009 VMware, Inc.
 * All Rights Reserved.
 * 
 * Permission is hereby granted, free of charge, to any person obtaining a
 * copy of this software and associated documentation files (the
 * "Software"), to deal in the Software without restriction, including
 * without limitation the rights to use, copy, modify, merge, publish,
 * distribute, sub license, and/or sell copies of the Software, and to
 * permit persons to whom the Software is furnished to do so, subject to
 * the following conditions:
 * 
 * The above copyright notice and this permission notice (including the
 * next paragraph) shall be included in all copies or substantial portions
 * of the Software.
 * 
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
 * IN NO EVENT SHALL VMWARE AND/OR ITS SUPPLIERS BE LIABLE FOR
 * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
 * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
 * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 * 
 **************************************************************************/

/* Helper utility for uploading user buffers & other data, and
 * coalescing small buffers into larger ones.
 */

#ifndef U_UPLOAD_MGR_H
#define U_UPLOAD_MGR_H

#include "pipe/p_defines.h"

struct pipe_screen;
struct pipe_resource;
struct u_upload_mgr;


struct u_upload_mgr *u_upload_create( struct pipe_context *pipe,
                                      unsigned default_size,
                                      unsigned alignment,
                                      unsigned usage );

void u_upload_destroy( struct u_upload_mgr *upload );

/* Unmap and release old buffer.
 * 
 * This must usually be called prior to firing the command stream
 * which references the upload buffer, as many memory managers either
 * don't like firing a mapped buffer or cause subsequent maps of a
 * fired buffer to wait.  For now, it's easiest just to grab a new
 * buffer.
 */
void u_upload_flush( struct u_upload_mgr *upload );


enum pipe_error u_upload_data( struct u_upload_mgr *upload,
                               unsigned size,
                               const void *data,
                               unsigned *out_offset,
                               struct pipe_resource **outbuf );


enum pipe_error u_upload_buffer( struct u_upload_mgr *upload,
                                 unsigned offset,
                                 unsigned size,
                                 struct pipe_resource *inbuf,
                                 unsigned *out_offset,
                                 struct pipe_resource **outbuf );



#endif