1 /*
2 * Copyright (C) 2009 Francisco Jerez.
3 * All Rights Reserved.
4 *
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:
12 *
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.
16 *
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.
24 *
25 */
26
27 #include "nouveau_driver.h"
28 #include "nouveau_context.h"
29 #include "nouveau_util.h"
30
31 #include "main/formats.h"
32
33 void
nouveau_surface_alloc(struct gl_context * ctx,struct nouveau_surface * s,enum nouveau_surface_layout layout,unsigned flags,unsigned format,unsigned width,unsigned height)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)
38 {
39 union nouveau_bo_config config = {};
40 int ret, cpp = _mesa_get_format_bytes(format);
41
42 nouveau_bo_ref(NULL, &s->bo);
43
44 *s = (struct nouveau_surface) {
45 .layout = layout,
46 .format = format,
47 .width = width,
48 .height = height,
49 .cpp = cpp,
50 .pitch = _mesa_format_row_stride(format, width),
51 };
52
53 if (layout == TILED) {
54 s->pitch = align(s->pitch, 256);
55 config.nv04.surf_pitch = s->pitch;
56
57 if (cpp == 4)
58 config.nv04.surf_flags = NV04_BO_32BPP;
59 else if (cpp == 2)
60 config.nv04.surf_flags = NV04_BO_16BPP;
61
62 if (_mesa_get_format_bits(format, GL_DEPTH_BITS))
63 config.nv04.surf_flags |= NV04_BO_ZETA;
64
65 } else {
66 s->pitch = align(s->pitch, 64);
67 }
68
69 ret = nouveau_bo_new(context_dev(ctx), flags, 0,
70 get_format_blocksy(format, height) * s->pitch,
71 &config, &s->bo);
72 assert(!ret);
73 }
74
75 void
nouveau_surface_ref(struct nouveau_surface * src,struct nouveau_surface * dst)76 nouveau_surface_ref(struct nouveau_surface *src,
77 struct nouveau_surface *dst)
78 {
79 if (src) {
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;
85 dst->cpp = src->cpp;
86 dst->pitch = src->pitch;
87 nouveau_bo_ref(src->bo, &dst->bo);
88
89 } else {
90 nouveau_bo_ref(NULL, &dst->bo);
91 }
92 }
93