b0238aeb888acfe6e984915f16d13993c775f20d
[mesa.git] / src / panfrost / encoder / pan_texture.h
1 /*
2 * Copyright (C) 2008 VMware, Inc.
3 * Copyright (C) 2014 Broadcom
4 * Copyright (C) 2018-2019 Alyssa Rosenzweig
5 * Copyright (C) 2019-2020 Collabora, Ltd.
6 *
7 * Permission is hereby granted, free of charge, to any person obtaining a
8 * copy of this software and associated documentation files (the "Software"),
9 * to deal in the Software without restriction, including without limitation
10 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
11 * and/or sell copies of the Software, and to permit persons to whom the
12 * Software is furnished to do so, subject to the following conditions:
13 *
14 * The above copyright notice and this permission notice (including the next
15 * paragraph) shall be included in all copies or substantial portions of the
16 * Software.
17 *
18 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
19 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
20 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
21 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
22 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
23 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
24 * SOFTWARE.
25 *
26 */
27
28 #ifndef __PAN_TEXTURE_H
29 #define __PAN_TEXTURE_H
30
31 #include <stdbool.h>
32 #include "util/format/u_format.h"
33 #include "panfrost-job.h"
34 #include "pan_bo.h"
35
36 struct panfrost_slice {
37 unsigned offset;
38 unsigned stride;
39 unsigned size0;
40
41 /* If there is a header preceding each slice, how big is
42 * that header? Used for AFBC */
43 unsigned header_size;
44
45 /* If checksumming is enabled following the slice, what
46 * is its offset/stride? */
47 unsigned checksum_offset;
48 unsigned checksum_stride;
49 struct panfrost_bo *checksum_bo;
50
51 /* Has anything been written to this slice? */
52 bool initialized;
53 };
54
55 unsigned
56 panfrost_compute_checksum_size(
57 struct panfrost_slice *slice,
58 unsigned width,
59 unsigned height);
60
61 /* AFBC */
62
63 bool
64 panfrost_format_supports_afbc(enum pipe_format format);
65
66 unsigned
67 panfrost_afbc_header_size(unsigned width, unsigned height);
68
69 /* mali_texture_descriptor */
70
71 unsigned
72 panfrost_estimate_texture_payload_size(
73 unsigned first_level, unsigned last_level,
74 unsigned first_layer, unsigned last_layer,
75 enum mali_texture_type type, enum mali_texture_layout layout);
76
77 void
78 panfrost_new_texture(
79 void *out,
80 uint16_t width, uint16_t height,
81 uint16_t depth, uint16_t array_size,
82 enum pipe_format format,
83 enum mali_texture_type type,
84 enum mali_texture_layout layout,
85 unsigned first_level, unsigned last_level,
86 unsigned first_layer, unsigned last_layer,
87 unsigned cube_stride,
88 unsigned swizzle,
89 mali_ptr base,
90 struct panfrost_slice *slices);
91
92 void
93 panfrost_new_texture_bifrost(
94 struct bifrost_texture_descriptor *descriptor,
95 uint16_t width, uint16_t height,
96 uint16_t depth, uint16_t array_size,
97 enum pipe_format format,
98 enum mali_texture_type type,
99 enum mali_texture_layout layout,
100 unsigned first_level, unsigned last_level,
101 unsigned first_layer, unsigned last_layer,
102 unsigned cube_stride,
103 unsigned swizzle,
104 mali_ptr base,
105 struct panfrost_slice *slices,
106 struct panfrost_bo *payload);
107
108
109 unsigned
110 panfrost_get_layer_stride(struct panfrost_slice *slices, bool is_3d, unsigned cube_stride, unsigned level);
111
112 unsigned
113 panfrost_texture_offset(struct panfrost_slice *slices, bool is_3d, unsigned cube_stride, unsigned level, unsigned face);
114
115 /* Formats */
116
117 enum mali_format
118 panfrost_find_format(const struct util_format_description *desc);
119
120 bool
121 panfrost_is_z24s8_variant(enum pipe_format fmt);
122
123 unsigned
124 panfrost_translate_swizzle_4(const unsigned char swizzle[4]);
125
126 void
127 panfrost_invert_swizzle(const unsigned char *in, unsigned char *out);
128
129 static inline unsigned
130 panfrost_get_default_swizzle(unsigned components)
131 {
132 switch (components) {
133 case 1:
134 return (MALI_CHANNEL_RED << 0) | (MALI_CHANNEL_ZERO << 3) |
135 (MALI_CHANNEL_ZERO << 6) | (MALI_CHANNEL_ONE << 9);
136 case 2:
137 return (MALI_CHANNEL_RED << 0) | (MALI_CHANNEL_GREEN << 3) |
138 (MALI_CHANNEL_ZERO << 6) | (MALI_CHANNEL_ONE << 9);
139 case 3:
140 return (MALI_CHANNEL_RED << 0) | (MALI_CHANNEL_GREEN << 3) |
141 (MALI_CHANNEL_BLUE << 6) | (MALI_CHANNEL_ONE << 9);
142 case 4:
143 return (MALI_CHANNEL_RED << 0) | (MALI_CHANNEL_GREEN << 3) |
144 (MALI_CHANNEL_BLUE << 6) | (MALI_CHANNEL_ALPHA << 9);
145 default:
146 unreachable("Invalid number of components");
147 }
148 }
149
150 static inline unsigned
151 panfrost_bifrost_swizzle(unsigned components)
152 {
153 /* Set all components to 0 and force w if needed */
154 return components < 4 ? 0x10 : 0x00;
155 }
156
157 enum mali_format
158 panfrost_format_to_bifrost_blend(const struct util_format_description *desc);
159
160 #endif