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
38 #define PAN_BIND_SHARED_MASK (PIPE_BIND_DISPLAY_TARGET | PIPE_BIND_SCANOUT | \
39 PIPE_BIND_SHARED)
40
41 struct panfrost_resource {
42 struct pipe_resource base;
43 struct {
44 struct pipe_scissor_state extent;
45 struct {
46 bool enable;
47 unsigned stride;
48 unsigned size;
49 BITSET_WORD *data;
50 } tile_map;
51 } damage;
52
53 struct {
54 /** Number of batches accessing this resource. Used to check if
55 * a resource is in use. */
56 _Atomic unsigned nr_users;
57
58 /** Number of batches writing this resource. Note that only one
59 * batch per context may write a resource, so this is the
60 * number of contexts that have an active writer. */
61 _Atomic unsigned nr_writers;
62 } track;
63
64 struct renderonly_scanout *scanout;
65
66 struct panfrost_resource *separate_stencil;
67
68 struct util_range valid_buffer_range;
69
70 /* Description of the resource layout */
71 struct pan_image image;
72
73 struct {
74 /* Is the checksum for this image valid? Implicitly refers to
75 * the first slice; we only checksum non-mipmapped 2D images */
76 bool crc;
77
78 /* Has anything been written to this slice? */
79 BITSET_DECLARE(data, MAX_MIP_LEVELS);
80 } valid;
81
82 /* Whether the modifier can be changed */
83 bool modifier_constant;
84
85 /* Used to decide when to convert to another modifier */
86 uint16_t modifier_updates;
87
88 /* Do all pixels have the same stencil value? */
89 bool constant_stencil;
90
91 /* The stencil value if constant_stencil is set */
92 uint8_t stencil_value;
93
94 /* Cached min/max values for index buffers */
95 struct panfrost_minmax_cache *index_cache;
96 };
97
98 static inline struct panfrost_resource *
pan_resource(struct pipe_resource * p)99 pan_resource(struct pipe_resource *p)
100 {
101 return (struct panfrost_resource *)p;
102 }
103
104 struct panfrost_transfer {
105 struct pipe_transfer base;
106 void *map;
107 struct {
108 struct pipe_resource *rsrc;
109 struct pipe_box box;
110 } staging;
111 };
112
113 static inline struct panfrost_transfer *
pan_transfer(struct pipe_transfer * p)114 pan_transfer(struct pipe_transfer *p)
115 {
116 return (struct panfrost_transfer *)p;
117 }
118
119 void panfrost_resource_screen_init(struct pipe_screen *screen);
120
121 void panfrost_resource_screen_destroy(struct pipe_screen *screen);
122
123 void panfrost_resource_context_init(struct pipe_context *pctx);
124
125 /* Blitting */
126
127 void
128 panfrost_blitter_save(struct panfrost_context *ctx, bool render_cond);
129
130 void
131 panfrost_blit(struct pipe_context *pipe,
132 const struct pipe_blit_info *info);
133
134 void
135 panfrost_resource_set_damage_region(struct pipe_screen *screen,
136 struct pipe_resource *res,
137 unsigned int nrects,
138 const struct pipe_box *rects);
139
140 static inline enum mali_texture_dimension
panfrost_translate_texture_dimension(enum pipe_texture_target t)141 panfrost_translate_texture_dimension(enum pipe_texture_target t) {
142 switch (t)
143 {
144 case PIPE_BUFFER:
145 case PIPE_TEXTURE_1D:
146 case PIPE_TEXTURE_1D_ARRAY:
147 return MALI_TEXTURE_DIMENSION_1D;
148
149 case PIPE_TEXTURE_2D:
150 case PIPE_TEXTURE_2D_ARRAY:
151 case PIPE_TEXTURE_RECT:
152 return MALI_TEXTURE_DIMENSION_2D;
153
154 case PIPE_TEXTURE_3D:
155 return MALI_TEXTURE_DIMENSION_3D;
156
157 case PIPE_TEXTURE_CUBE:
158 case PIPE_TEXTURE_CUBE_ARRAY:
159 return MALI_TEXTURE_DIMENSION_CUBE;
160
161 default:
162 unreachable("Unknown target");
163 }
164 }
165
166 void
167 pan_resource_modifier_convert(struct panfrost_context *ctx,
168 struct panfrost_resource *rsrc,
169 uint64_t modifier, const char *reason);
170
171 void
172 pan_legalize_afbc_format(struct panfrost_context *ctx,
173 struct panfrost_resource *rsrc,
174 enum pipe_format format);
175
176 #endif /* PAN_RESOURCE_H */
177