1/*
2 * Copyright © 2014 Broadcom
3 * Copyright (C) 2012 Rob Clark <robclark@freedesktop.org>
4 *
5 * Permission is hereby granted, free of charge, to any person obtaining a
6 * copy of this software and associated documentation files (the "Software"),
7 * to deal in the Software without restriction, including without limitation
8 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
9 * and/or sell copies of the Software, and to permit persons to whom the
10 * Software is furnished to do so, subject to the following conditions:
11 *
12 * The above copyright notice and this permission notice (including the next
13 * paragraph) shall be included in all copies or substantial portions of the
14 * Software.
15 *
16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
17 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
19 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
20 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
21 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
22 * IN THE SOFTWARE.
23 */
24
25#ifndef VC4_RESOURCE_H
26#define VC4_RESOURCE_H
27
28#include "vc4_screen.h"
29#include "kernel/vc4_packet.h"
30#include "util/u_transfer.h"
31
32struct vc4_transfer {
33        struct pipe_transfer base;
34        void *map;
35};
36
37struct vc4_resource_slice {
38        uint32_t offset;
39        uint32_t stride;
40        uint32_t size;
41        /** One of VC4_TILING_FORMAT_* */
42        uint8_t tiling;
43};
44
45struct vc4_surface {
46        struct pipe_surface base;
47        uint32_t offset;
48        uint8_t tiling;
49};
50
51struct vc4_resource {
52        struct pipe_resource base;
53        struct vc4_bo *bo;
54        struct renderonly_scanout *scanout;
55        struct vc4_resource_slice slices[VC4_MAX_MIP_LEVELS];
56        uint32_t cube_map_stride;
57        int cpp;
58        bool tiled;
59        /** One of VC4_TEXTURE_TYPE_* */
60        enum vc4_texture_data_type vc4_format;
61
62        /**
63         * Number of times the resource has been written to.
64         *
65         * This is used to track when we need to update this shadow resource
66         * from its parent in the case of GL_TEXTURE_BASE_LEVEL (which we
67         * can't support in hardware) or GL_UNSIGNED_INTEGER index buffers.
68         */
69        uint64_t writes;
70
71        /**
72         * Bitmask of PIPE_CLEAR_COLOR0, PIPE_CLEAR_DEPTH, PIPE_CLEAR_STENCIL
73         * for which parts of the resource are defined.
74         *
75         * Used for avoiding fallback to quad clears for clearing just depth,
76         * when the stencil contents have never been initialized.  Note that
77         * we're lazy and fields not present in the buffer (DEPTH in a color
78         * buffer) may get marked.
79         */
80        uint32_t initialized_buffers;
81};
82
83static inline struct vc4_resource *
84vc4_resource(struct pipe_resource *prsc)
85{
86        return (struct vc4_resource *)prsc;
87}
88
89static inline struct vc4_surface *
90vc4_surface(struct pipe_surface *psurf)
91{
92        return (struct vc4_surface *)psurf;
93}
94
95static inline struct vc4_transfer *
96vc4_transfer(struct pipe_transfer *ptrans)
97{
98        return (struct vc4_transfer *)ptrans;
99}
100
101void vc4_resource_screen_init(struct pipe_screen *pscreen);
102void vc4_resource_context_init(struct pipe_context *pctx);
103struct pipe_resource *vc4_resource_create(struct pipe_screen *pscreen,
104                                          const struct pipe_resource *tmpl);
105void vc4_update_shadow_baselevel_texture(struct pipe_context *pctx,
106                                         struct pipe_sampler_view *view);
107struct pipe_resource *vc4_get_shadow_index_buffer(struct pipe_context *pctx,
108                                                  const struct pipe_draw_info *info,
109                                                  uint32_t offset,
110                                                  uint32_t count,
111                                                  uint32_t *shadow_offset);
112void vc4_dump_surface(struct pipe_surface *psurf);
113
114#endif /* VC4_RESOURCE_H */
115