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);