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"
31 #include "main/formats.h"
34 nouveau_surface_alloc(struct gl_context
*ctx
, struct nouveau_surface
*s
,
35 enum nouveau_surface_layout layout
,
36 unsigned flags
, unsigned format
,
37 unsigned width
, unsigned height
)
39 union nouveau_bo_config config
= {};
40 int ret
, cpp
= _mesa_get_format_bytes(format
);
42 nouveau_bo_ref(NULL
, &s
->bo
);
44 *s
= (struct nouveau_surface
) {
50 .pitch
= _mesa_format_row_stride(format
, width
),
53 if (layout
== TILED
) {
54 s
->pitch
= align(s
->pitch
, 256);
55 config
.nv04
.surf_pitch
= s
->pitch
;
58 config
.nv04
.surf_flags
= NV04_BO_32BPP
;
60 config
.nv04
.surf_flags
= NV04_BO_16BPP
;
62 if (_mesa_get_format_bits(format
, GL_DEPTH_BITS
))
63 config
.nv04
.surf_flags
|= NV04_BO_ZETA
;
66 s
->pitch
= align(s
->pitch
, 64);
69 ret
= nouveau_bo_new(context_dev(ctx
), flags
, 0,
70 get_format_blocksy(format
, height
) * s
->pitch
,
76 nouveau_surface_ref(struct nouveau_surface
*src
,
77 struct nouveau_surface
*dst
)
80 dst
->offset
= src
->offset
;
81 dst
->layout
= src
->layout
;
82 dst
->format
= src
->format
;
83 dst
->width
= src
->width
;
84 dst
->height
= src
->height
;
86 dst
->pitch
= src
->pitch
;
87 nouveau_bo_ref(src
->bo
, &dst
->bo
);
90 nouveau_bo_ref(NULL
, &dst
->bo
);