1 /*
2 * Copyright (C) 2021 Collabora, Ltd.
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 * Authors:
24 * Alyssa Rosenzweig <alyssa.rosenzweig@collabora.com>
25 * Boris Brezillon <boris.brezillon@collabora.com>
26 */
27
28 #ifndef __PAN_DESC_H
29 #define __PAN_DESC_H
30
31 #include "genxml/gen_macros.h"
32
33 #include "pan_texture.h"
34
35 struct pan_compute_dim {
36 uint32_t x, y, z;
37 };
38
39 struct pan_fb_color_attachment {
40 const struct pan_image_view *view;
41 bool *crc_valid;
42 bool clear;
43 bool preload;
44 bool discard;
45 uint32_t clear_value[4];
46 };
47
48 struct pan_fb_zs_attachment {
49 struct {
50 const struct pan_image_view *zs, *s;
51 } view;
52
53 struct {
54 bool z, s;
55 } clear;
56
57 struct {
58 bool z, s;
59 } discard;
60
61 struct {
62 bool z, s;
63 } preload;
64
65 struct {
66 float depth;
67 uint8_t stencil;
68 } clear_value;
69 };
70
71 struct pan_tiler_context {
72 union {
73 struct {
74 uint64_t desc;
75 /* A tiler descriptor can only handle a limited amount of layers.
76 * If the number of layers is bigger than this, several tiler
77 * descriptors will be issued, each with a different layer_offset.
78 */
79 uint8_t layer_offset;
80 } valhall;
81 struct {
82 uint64_t desc;
83 } bifrost;
84 struct {
85 /* Sum of vertex counts (for non-indexed draws), index counts, or ~0 if
86 * any indirect draws are used. Helps tune hierarchy masks.
87 */
88 uint32_t vertex_count;
89 bool disable;
90 bool no_hierarchical_tiling;
91 uint64_t polygon_list;
92 struct {
93 uint64_t start;
94 unsigned size;
95 } heap;
96 } midgard;
97 };
98 };
99
100 struct pan_tls_info {
101 struct {
102 uint64_t ptr;
103 unsigned size;
104 } tls;
105
106 struct {
107 unsigned instances;
108 uint64_t ptr;
109 unsigned size;
110 } wls;
111 };
112
113 struct pan_fb_bifrost_info {
114 struct {
115 struct panfrost_ptr dcds;
116 unsigned modes[3];
117 } pre_post;
118 };
119
120 struct pan_fb_info {
121 unsigned width, height;
122 struct {
123 /* Max values are inclusive */
124 unsigned minx, miny, maxx, maxy;
125 } extent;
126 unsigned nr_samples;
127 unsigned force_samples; /* samples used for rasterization */
128 unsigned rt_count;
129 struct pan_fb_color_attachment rts[8];
130 struct pan_fb_zs_attachment zs;
131
132 struct {
133 unsigned stride;
134 uint64_t base;
135 } tile_map;
136
137 union {
138 struct pan_fb_bifrost_info bifrost;
139 };
140
141 /* Optimal tile buffer size. */
142 unsigned tile_buf_budget;
143 unsigned tile_size;
144 unsigned cbuf_allocation;
145
146 /* Sample position array. */
147 uint64_t sample_positions;
148
149 /* Only used on Valhall */
150 bool sprite_coord_origin;
151 bool first_provoking_vertex;
152 };
153
154 static inline unsigned
pan_wls_instances(const struct pan_compute_dim * dim)155 pan_wls_instances(const struct pan_compute_dim *dim)
156 {
157 return util_next_power_of_two(dim->x) * util_next_power_of_two(dim->y) *
158 util_next_power_of_two(dim->z);
159 }
160
161 static inline unsigned
pan_wls_adjust_size(unsigned wls_size)162 pan_wls_adjust_size(unsigned wls_size)
163 {
164 return util_next_power_of_two(MAX2(wls_size, 128));
165 }
166
167 #ifdef PAN_ARCH
168
169 #if PAN_ARCH >= 5
170 static inline enum mali_sample_pattern
pan_sample_pattern(unsigned samples)171 pan_sample_pattern(unsigned samples)
172 {
173 switch (samples) {
174 case 1:
175 return MALI_SAMPLE_PATTERN_SINGLE_SAMPLED;
176 case 4:
177 return MALI_SAMPLE_PATTERN_ROTATED_4X_GRID;
178 case 8:
179 return MALI_SAMPLE_PATTERN_D3D_8X_GRID;
180 case 16:
181 return MALI_SAMPLE_PATTERN_D3D_16X_GRID;
182 default:
183 unreachable("Unsupported sample count");
184 }
185 }
186 #endif
187
188 void GENX(pan_select_tile_size)(struct pan_fb_info *fb);
189
190 void GENX(pan_emit_tls)(const struct pan_tls_info *info,
191 struct mali_local_storage_packed *out);
192
193 int GENX(pan_select_crc_rt)(const struct pan_fb_info *fb, unsigned tile_size);
194
195 unsigned GENX(pan_emit_fbd)(const struct pan_fb_info *fb, unsigned layer_idx,
196 const struct pan_tls_info *tls,
197 const struct pan_tiler_context *tiler_ctx,
198 void *out);
199
200 #if PAN_ARCH <= 9
201 void GENX(pan_emit_fragment_job_payload)(const struct pan_fb_info *fb,
202 uint64_t fbd, void *out);
203 #endif
204
205 #endif /* ifdef PAN_ARCH */
206
207 #endif
208