1/*
2 * Copyright (C) 2012 Rob Clark <robclark@freedesktop.org>
3 *
4 * Permission is hereby granted, free of charge, to any person obtaining a
5 * copy of this software and associated documentation files (the "Software"),
6 * to deal in the Software without restriction, including without limitation
7 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
8 * and/or sell copies of the Software, and to permit persons to whom the
9 * Software is furnished to do so, subject to the following conditions:
10 *
11 * The above copyright notice and this permission notice (including the next
12 * paragraph) shall be included in all copies or substantial portions of the
13 * Software.
14 *
15 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
16 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
17 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
18 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
19 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
20 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
21 * SOFTWARE.
22 *
23 * Authors:
24 *    Rob Clark <robclark@freedesktop.org>
25 */
26
27#include "freedreno_surface.h"
28#include "freedreno_resource.h"
29#include "freedreno_util.h"
30
31#include "util/u_inlines.h"
32#include "util/u_memory.h"
33
34struct pipe_surface *
35fd_create_surface(struct pipe_context *pctx, struct pipe_resource *ptex,
36                  const struct pipe_surface *surf_tmpl)
37{
38   struct fd_surface *surface = CALLOC_STRUCT(fd_surface);
39
40   if (!surface)
41      return NULL;
42
43   struct pipe_surface *psurf = &surface->base;
44   unsigned level = surf_tmpl->u.tex.level;
45
46   pipe_reference_init(&psurf->reference, 1);
47   pipe_resource_reference(&psurf->texture, ptex);
48
49   psurf->context = pctx;
50   psurf->format = surf_tmpl->format;
51   psurf->width = u_minify(ptex->width0, level);
52   psurf->height = u_minify(ptex->height0, level);
53   psurf->nr_samples = surf_tmpl->nr_samples;
54
55   if (ptex->target == PIPE_BUFFER) {
56      psurf->u.buf.first_element = surf_tmpl->u.buf.first_element;
57      psurf->u.buf.last_element = surf_tmpl->u.buf.last_element;
58   } else {
59      psurf->u.tex.level = level;
60      psurf->u.tex.first_layer = surf_tmpl->u.tex.first_layer;
61      psurf->u.tex.last_layer = surf_tmpl->u.tex.last_layer;
62   }
63
64   return &surface->base;
65}
66
67void
68fd_surface_destroy(struct pipe_context *pctx, struct pipe_surface *psurf)
69{
70   pipe_resource_reference(&psurf->texture, NULL);
71   FREE(psurf);
72}
73