freedreno_resource.h revision 848b8605 
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#ifndef FREEDRENO_RESOURCE_H_
30#define FREEDRENO_RESOURCE_H_
31
32#include "util/u_transfer.h"
33
34#include "freedreno_util.h"
35
36/* for mipmap, cubemap, etc, each level is represented by a slice.
37 * Currently all slices are part of same bo (just different offsets),
38 * this is at least how it needs to be for cubemaps, although mipmap
39 * can be different bo's (although, not sure if there is a strong
40 * advantage to doing that)
41 */
42struct fd_resource_slice {
43	uint32_t offset;         /* offset of first layer in slice */
44	uint32_t pitch;
45	uint32_t size0;          /* size of first layer in slice */
46};
47
48struct fd_resource {
49	struct u_resource base;
50	struct fd_bo *bo;
51	uint32_t cpp;
52	struct fd_resource_slice slices[MAX_MIP_LEVELS];
53	uint32_t timestamp;
54	bool dirty;
55};
56
57static INLINE struct fd_resource *
58fd_resource(struct pipe_resource *ptex)
59{
60	return (struct fd_resource *)ptex;
61}
62
63static INLINE struct fd_resource_slice *
64fd_resource_slice(struct fd_resource *rsc, unsigned level)
65{
66	assert(level <= rsc->base.b.last_level);
67	return &rsc->slices[level];
68}
69
70void fd_resource_screen_init(struct pipe_screen *pscreen);
71void fd_resource_context_init(struct pipe_context *pctx);
72
73#endif /* FREEDRENO_RESOURCE_H_ */
74