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 /* Sum of vertex counts (for non-indexed draws), index counts (for
73 * indexed draws on Valhall as a best effort), or ~0 if any indirect
74 * draws are used. Helps tune hierarchy masks.
75 */
76 uint32_t vertex_count;
77
78 union {
79 mali_ptr bifrost;
80 struct {
81 bool disable;
82 bool no_hierarchical_tiling;
83 mali_ptr polygon_list;
84 struct {
85 mali_ptr start;
86 unsigned size;
87 } heap;
88 } midgard;
89 };
90 };
91
92 struct pan_tls_info {
93 struct {
94 mali_ptr ptr;
95 unsigned size;
96 } tls;
97
98 struct {
99 unsigned instances;
100 mali_ptr ptr;
101 unsigned size;
102 } wls;
103 };
104
105 struct pan_fb_bifrost_info {
106 struct {
107 struct panfrost_ptr dcds;
108 unsigned modes[3];
109 } pre_post;
110 };
111
112 struct pan_fb_info {
113 unsigned width, height;
114 struct {
115 /* Max values are inclusive */
116 unsigned minx, miny, maxx, maxy;
117 } extent;
118 unsigned nr_samples;
119 unsigned force_samples; /* samples used for rasterization */
120 unsigned rt_count;
121 struct pan_fb_color_attachment rts[8];
122 struct pan_fb_zs_attachment zs;
123
124 struct {
125 unsigned stride;
126 mali_ptr base;
127 } tile_map;
128
129 union {
130 struct pan_fb_bifrost_info bifrost;
131 };
132
133 /* Optimal tile buffer size. */
134 unsigned tile_buf_budget;
135
136 /* Sample position array. */
137 mali_ptr sample_positions;
138
139 /* Only used on Valhall */
140 bool sprite_coord_origin;
141 bool first_provoking_vertex;
142 };
143
144 static inline unsigned
pan_wls_instances(const struct pan_compute_dim * dim)145 pan_wls_instances(const struct pan_compute_dim *dim)
146 {
147 return util_next_power_of_two(dim->x) * util_next_power_of_two(dim->y) *
148 util_next_power_of_two(dim->z);
149 }
150
151 static inline unsigned
pan_wls_adjust_size(unsigned wls_size)152 pan_wls_adjust_size(unsigned wls_size)
153 {
154 return util_next_power_of_two(MAX2(wls_size, 128));
155 }
156
157 #ifdef PAN_ARCH
158
159 #if PAN_ARCH >= 5
160 static inline enum mali_sample_pattern
pan_sample_pattern(unsigned samples)161 pan_sample_pattern(unsigned samples)
162 {
163 switch (samples) {
164 case 1:
165 return MALI_SAMPLE_PATTERN_SINGLE_SAMPLED;
166 case 4:
167 return MALI_SAMPLE_PATTERN_ROTATED_4X_GRID;
168 case 8:
169 return MALI_SAMPLE_PATTERN_D3D_8X_GRID;
170 case 16:
171 return MALI_SAMPLE_PATTERN_D3D_16X_GRID;
172 default:
173 unreachable("Unsupported sample count");
174 }
175 }
176 #endif
177
178 void GENX(pan_emit_tls)(const struct pan_tls_info *info, void *out);
179
180 int GENX(pan_select_crc_rt)(const struct pan_fb_info *fb, unsigned tile_size);
181
182 unsigned GENX(pan_emit_fbd)(const struct pan_fb_info *fb,
183 const struct pan_tls_info *tls,
184 const struct pan_tiler_context *tiler_ctx,
185 void *out);
186
187 #if PAN_ARCH <= 9
188 void GENX(pan_emit_fragment_job)(const struct pan_fb_info *fb, mali_ptr fbd,
189 void *out);
190 #endif
191
192 #endif /* ifdef PAN_ARCH */
193
194 #endif
195