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
34 struct pipe_surface *
fd_create_surface(struct pipe_context * pctx,struct pipe_resource * ptex,const struct pipe_surface * surf_tmpl)35 fd_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
67 void
fd_surface_destroy(struct pipe_context * pctx,struct pipe_surface * psurf)68 fd_surface_destroy(struct pipe_context *pctx, struct pipe_surface *psurf)
69 {
70 pipe_resource_reference(&psurf->texture, NULL);
71 FREE(psurf);
72 }
73