freedreno_surface.c revision af69d88d 
1/* -*- mode: C; c-file-style: "k&r"; tab-width 4; indent-tabs-mode: t; -*- */
2
3/*
4 * Copyright (C) 2012 Rob Clark <robclark@freedesktop.org>
5 *
6 * Permission is hereby granted, free of charge, to any person obtaining a
7 * copy of this software and associated documentation files (the "Software"),
8 * to deal in the Software without restriction, including without limitation
9 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
10 * and/or sell copies of the Software, and to permit persons to whom the
11 * Software is furnished to do so, subject to the following conditions:
12 *
13 * The above copyright notice and this permission notice (including the next
14 * paragraph) shall be included in all copies or substantial portions of the
15 * Software.
16 *
17 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
18 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
19 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
20 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
21 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
22 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
23 * SOFTWARE.
24 *
25 * Authors:
26 *    Rob Clark <robclark@freedesktop.org>
27 */
28
29#include "freedreno_surface.h"
30#include "freedreno_resource.h"
31#include "freedreno_util.h"
32
33#include "util/u_memory.h"
34#include "util/u_inlines.h"
35
36struct pipe_surface *
37fd_create_surface(struct pipe_context *pctx,
38		struct pipe_resource *ptex,
39		const struct pipe_surface *surf_tmpl)
40{
41//	struct fd_resource* tex = fd_resource(ptex);
42	struct fd_surface* surface = CALLOC_STRUCT(fd_surface);
43
44	assert(surf_tmpl->u.tex.first_layer == surf_tmpl->u.tex.last_layer);
45
46	if (surface) {
47		struct pipe_surface *psurf = &surface->base;
48		unsigned level = surf_tmpl->u.tex.level;
49
50		pipe_reference_init(&psurf->reference, 1);
51		pipe_resource_reference(&psurf->texture, ptex);
52
53		psurf->context = pctx;
54		psurf->format = surf_tmpl->format;
55		psurf->width = u_minify(ptex->width0, level);
56		psurf->height = u_minify(ptex->height0, level);
57		psurf->u.tex.level = level;
58		psurf->u.tex.first_layer = surf_tmpl->u.tex.first_layer;
59		psurf->u.tex.last_layer = surf_tmpl->u.tex.last_layer;
60
61		// TODO
62		DBG("TODO: %ux%u", psurf->width, psurf->height);
63	}
64
65	return &surface->base;
66}
67
68void
69fd_surface_destroy(struct pipe_context *pctx, struct pipe_surface *psurf)
70{
71	pipe_resource_reference(&psurf->texture, NULL);
72	FREE(psurf);
73}
74