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 "drm-uapi/drm_fourcc.h"
33 #include "util/format/u_format.h"
34 #include "compiler/shader_enums.h"
35 #include "midgard_pack.h"
36 #include "pan_bo.h"
37
38 #define PAN_MODIFIER_COUNT 4
39 extern uint64_t pan_best_modifiers[PAN_MODIFIER_COUNT];
40
41 struct panfrost_slice {
42 unsigned offset;
43 unsigned stride;
44 unsigned size0;
45
46 /* If there is a header preceding each slice, how big is
47 * that header? Used for AFBC */
48 unsigned header_size;
49
50 /* If checksumming is enabled following the slice, what
51 * is its offset/stride? */
52 unsigned checksum_offset;
53 unsigned checksum_stride;
54 struct panfrost_bo *checksum_bo;
55
56 /* Has anything been written to this slice? */
57 bool initialized;
58 };
59
60 struct pan_image {
61 /* Format and size */
62 uint16_t width0, height0, depth0, array_size;
63 enum pipe_format format;
64 enum mali_texture_dimension dim;
65 unsigned first_level, last_level;
66 unsigned first_layer, last_layer;
67 unsigned nr_samples;
68 struct panfrost_bo *bo;
69 struct panfrost_slice *slices;
70 unsigned cubemap_stride;
71 uint64_t modifier;
72 };
73
74 unsigned
75 panfrost_compute_checksum_size(
76 struct panfrost_slice *slice,
77 unsigned width,
78 unsigned height);
79
80 /* AFBC */
81
82 bool
83 panfrost_format_supports_afbc(enum pipe_format format);
84
85 unsigned
86 panfrost_afbc_header_size(unsigned width, unsigned height);
87
88 bool
89 panfrost_afbc_can_ytr(enum pipe_format format);
90
91 unsigned
92 panfrost_estimate_texture_payload_size(
93 unsigned first_level, unsigned last_level,
94 unsigned first_layer, unsigned last_layer,
95 unsigned nr_samples,
96 enum mali_texture_dimension dim, uint64_t modifier);
97
98 void
99 panfrost_new_texture(
100 void *out,
101 uint16_t width, uint16_t height,
102 uint16_t depth, uint16_t array_size,
103 enum pipe_format format,
104 enum mali_texture_dimension dim,
105 uint64_t modifier,
106 unsigned first_level, unsigned last_level,
107 unsigned first_layer, unsigned last_layer,
108 unsigned nr_samples,
109 unsigned cube_stride,
110 unsigned swizzle,
111 mali_ptr base,
112 struct panfrost_slice *slices);
113
114 void
115 panfrost_new_texture_bifrost(
116 const struct panfrost_device *dev,
117 struct mali_bifrost_texture_packed *out,
118 uint16_t width, uint16_t height,
119 uint16_t depth, uint16_t array_size,
120 enum pipe_format format,
121 enum mali_texture_dimension dim,
122 uint64_t modifier,
123 unsigned first_level, unsigned last_level,
124 unsigned first_layer, unsigned last_layer,
125 unsigned nr_samples,
126 unsigned cube_stride,
127 unsigned swizzle,
128 mali_ptr base,
129 struct panfrost_slice *slices,
130 const struct panfrost_ptr *payload);
131
132
133 unsigned
134 panfrost_get_layer_stride(struct panfrost_slice *slices, bool is_3d, unsigned cube_stride, unsigned level);
135
136 unsigned
137 panfrost_texture_offset(struct panfrost_slice *slices, bool is_3d, unsigned cube_stride, unsigned level, unsigned face, unsigned sample);
138
139 /* Formats */
140
141 struct pan_blendable_format {
142 enum mali_color_buffer_internal_format internal;
143 enum mali_mfbd_color_format writeback;
144 };
145
146 struct pan_blendable_format
147 panfrost_blend_format(enum pipe_format format);
148
149 extern const struct panfrost_format panfrost_pipe_format_v6[PIPE_FORMAT_COUNT];
150 extern const struct panfrost_format panfrost_pipe_format_v7[PIPE_FORMAT_COUNT];
151
152 enum mali_z_internal_format
153 panfrost_get_z_internal_format(enum pipe_format fmt);
154
155 unsigned
156 panfrost_translate_swizzle_4(const unsigned char swizzle[4]);
157
158 void
159 panfrost_invert_swizzle(const unsigned char *in, unsigned char *out);
160
161 /* Helpers to construct swizzles */
162
163 #define PAN_V6_SWIZZLE(R, G, B, A) ( \
164 ((MALI_CHANNEL_ ## R) << 0) | \
165 ((MALI_CHANNEL_ ## G) << 3) | \
166 ((MALI_CHANNEL_ ## B) << 6) | \
167 ((MALI_CHANNEL_ ## A) << 9))
168
169 static inline unsigned
panfrost_get_default_swizzle(unsigned components)170 panfrost_get_default_swizzle(unsigned components)
171 {
172 switch (components) {
173 case 1:
174 return PAN_V6_SWIZZLE(R, 0, 0, 1);
175 case 2:
176 return PAN_V6_SWIZZLE(R, G, 0, 1);
177 case 3:
178 return PAN_V6_SWIZZLE(R, G, B, 1);
179 case 4:
180 return PAN_V6_SWIZZLE(R, G, B, A);
181 default:
182 unreachable("Invalid number of components");
183 }
184 }
185
186 static inline unsigned
panfrost_bifrost_swizzle(unsigned components)187 panfrost_bifrost_swizzle(unsigned components)
188 {
189 /* Set all components to 0 and force w if needed */
190 return components < 4 ? 0x10 : 0x00;
191 }
192
193 enum mali_format
194 panfrost_format_to_bifrost_blend(const struct util_format_description *desc, bool dither);
195
196 struct pan_pool;
197 struct pan_scoreboard;
198
199 void
200 panfrost_init_blit_shaders(struct panfrost_device *dev);
201
202 void
203 panfrost_load_midg(
204 struct pan_pool *pool,
205 struct pan_scoreboard *scoreboard,
206 mali_ptr blend_shader,
207 mali_ptr fbd,
208 mali_ptr coordinates, unsigned vertex_count,
209 struct pan_image *image,
210 unsigned loc);
211
212 void
213 panfrost_load_bifrost(struct pan_pool *pool,
214 struct pan_scoreboard *scoreboard,
215 mali_ptr blend_shader,
216 mali_ptr thread_storage,
217 mali_ptr tiler,
218 mali_ptr coordinates, unsigned vertex_count,
219 struct pan_image *image,
220 unsigned loc);
221
222 /* DRM modifier helper */
223
224 #define drm_is_afbc(mod) \
225 ((mod >> 52) == (DRM_FORMAT_MOD_ARM_TYPE_AFBC | \
226 (DRM_FORMAT_MOD_VENDOR_ARM << 4)))
227
228 #endif
229