2 * Copyright (C) 2009 Francisco Jerez.
5 * Permission is hereby granted, free of charge, to any person obtaining
6 * a copy of this software and associated documentation files (the
7 * "Software"), to deal in the Software without restriction, including
8 * without limitation the rights to use, copy, modify, merge, publish,
9 * distribute, sublicense, and/or sell copies of the Software, and to
10 * permit persons to whom the Software is furnished to do so, subject to
11 * the following conditions:
13 * The above copyright notice and this permission notice (including the
14 * next paragraph) shall be included in all copies or substantial
15 * portions of the Software.
17 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
18 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
19 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
20 * IN NO EVENT SHALL THE COPYRIGHT OWNER(S) AND/OR ITS SUPPLIERS BE
21 * LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
22 * OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
23 * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
27 #include "nouveau_driver.h"
28 #include "nouveau_context.h"
29 #include "nouveau_util.h"
32 nouveau_surface_alloc(struct gl_context
*ctx
, struct nouveau_surface
*s
,
33 enum nouveau_surface_layout layout
,
34 unsigned flags
, unsigned format
,
35 unsigned width
, unsigned height
)
37 unsigned tile_mode
= 0, tile_flags
= 0;
38 int ret
, cpp
= _mesa_get_format_bytes(format
);
40 nouveau_bo_ref(NULL
, &s
->bo
);
42 *s
= (struct nouveau_surface
) {
51 if (layout
== TILED
) {
52 s
->pitch
= align(s
->pitch
, 256);
56 tile_flags
= NOUVEAU_BO_TILE_32BPP
;
58 tile_flags
= NOUVEAU_BO_TILE_16BPP
;
60 if (_mesa_get_format_bits(format
, GL_DEPTH_BITS
))
61 tile_flags
|= NOUVEAU_BO_TILE_ZETA
;
64 s
->pitch
= align(s
->pitch
, 64);
67 ret
= nouveau_bo_new_tile(context_dev(ctx
), flags
, 0, s
->pitch
* height
,
68 tile_mode
, tile_flags
, &s
->bo
);
73 nouveau_surface_ref(struct nouveau_surface
*src
,
74 struct nouveau_surface
*dst
)
77 dst
->offset
= src
->offset
;
78 dst
->layout
= src
->layout
;
79 dst
->format
= src
->format
;
80 dst
->width
= src
->width
;
81 dst
->height
= src
->height
;
83 dst
->pitch
= src
->pitch
;
84 nouveau_bo_ref(src
->bo
, &dst
->bo
);
87 nouveau_bo_ref(NULL
, &dst
->bo
);