1/*
2 * © Copyright2018-2019 Alyssa Rosenzweig
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 */
24
25
26#ifndef PAN_RESOURCE_H
27#define PAN_RESOURCE_H
28
29#include "pan_screen.h"
30#include "pan_minmax_cache.h"
31#include "pan_texture.h"
32#include "drm-uapi/drm.h"
33#include "util/u_range.h"
34
35#define LAYOUT_CONVERT_THRESHOLD 8
36#define PAN_MAX_BATCHES 32
37
38struct panfrost_resource {
39        struct pipe_resource base;
40        struct {
41                struct pipe_scissor_state extent;
42                struct {
43                        bool enable;
44                        unsigned stride;
45                        unsigned size;
46                        BITSET_WORD *data;
47                } tile_map;
48        } damage;
49
50        struct {
51                /** Number of batches accessing this resource. Used to check if
52                 * a resource is in use. */
53                _Atomic unsigned nr_users;
54
55                /** Number of batches writing this resource. Note that only one
56                 * batch per context may write a resource, so this is the
57                 * number of contexts that have an active writer. */
58                _Atomic unsigned nr_writers;
59        } track;
60
61        struct renderonly_scanout *scanout;
62
63        struct panfrost_resource *separate_stencil;
64
65        struct util_range valid_buffer_range;
66
67        /* Description of the resource layout */
68        struct pan_image image;
69
70        struct {
71                /* Is the checksum for this image valid? Implicitly refers to
72                 * the first slice; we only checksum non-mipmapped 2D images */
73                bool crc;
74
75                /* Has anything been written to this slice? */
76                BITSET_DECLARE(data, MAX_MIP_LEVELS);
77        } valid;
78
79        /* Whether the modifier can be changed */
80        bool modifier_constant;
81
82        /* Used to decide when to convert to another modifier */
83        uint16_t modifier_updates;
84
85        /* Cached min/max values for index buffers */
86        struct panfrost_minmax_cache *index_cache;
87};
88
89static inline struct panfrost_resource *
90pan_resource(struct pipe_resource *p)
91{
92        return (struct panfrost_resource *)p;
93}
94
95struct panfrost_transfer {
96        struct pipe_transfer base;
97        void *map;
98        struct {
99                struct pipe_resource *rsrc;
100                struct pipe_box box;
101        } staging;
102};
103
104static inline struct panfrost_transfer *
105pan_transfer(struct pipe_transfer *p)
106{
107        return (struct panfrost_transfer *)p;
108}
109
110void panfrost_resource_screen_init(struct pipe_screen *screen);
111
112void panfrost_resource_screen_destroy(struct pipe_screen *screen);
113
114void panfrost_resource_context_init(struct pipe_context *pctx);
115
116/* Blitting */
117
118void
119panfrost_blit(struct pipe_context *pipe,
120              const struct pipe_blit_info *info);
121
122void
123panfrost_resource_set_damage_region(struct pipe_screen *screen,
124                                    struct pipe_resource *res,
125                                    unsigned int nrects,
126                                    const struct pipe_box *rects);
127
128static inline enum mali_texture_dimension
129panfrost_translate_texture_dimension(enum pipe_texture_target t) {
130        switch (t)
131        {
132        case PIPE_BUFFER:
133        case PIPE_TEXTURE_1D:
134        case PIPE_TEXTURE_1D_ARRAY:
135                return MALI_TEXTURE_DIMENSION_1D;
136
137        case PIPE_TEXTURE_2D:
138        case PIPE_TEXTURE_2D_ARRAY:
139        case PIPE_TEXTURE_RECT:
140                return MALI_TEXTURE_DIMENSION_2D;
141
142        case PIPE_TEXTURE_3D:
143                return MALI_TEXTURE_DIMENSION_3D;
144
145        case PIPE_TEXTURE_CUBE:
146        case PIPE_TEXTURE_CUBE_ARRAY:
147                return MALI_TEXTURE_DIMENSION_CUBE;
148
149        default:
150                unreachable("Unknown target");
151        }
152}
153
154void
155pan_resource_modifier_convert(struct panfrost_context *ctx,
156                              struct panfrost_resource *rsrc,
157                              uint64_t modifier, const char *reason);
158
159void
160pan_legalize_afbc_format(struct panfrost_context *ctx,
161                         struct panfrost_resource *rsrc,
162                         enum pipe_format format);
163
164#endif /* PAN_RESOURCE_H */
165