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_CS_H
29 #define __PAN_CS_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                 mali_ptr bifrost;
74                 struct {
75                         bool disable;
76                         struct panfrost_bo *polygon_list;
77                 } midgard;
78         };
79 };
80 
81 struct pan_tls_info {
82         struct {
83                 mali_ptr ptr;
84                 unsigned size;
85         } tls;
86 
87         struct {
88                 struct pan_compute_dim dim;
89                 mali_ptr ptr;
90                 unsigned size;
91         } wls;
92 };
93 
94 struct pan_fb_bifrost_info {
95         struct {
96                 struct panfrost_ptr dcds;
97                 unsigned modes[3];
98         } pre_post;
99 };
100 
101 struct pan_fb_info {
102         unsigned width, height;
103         struct {
104                 /* Max values are inclusive */
105                 unsigned minx, miny, maxx, maxy;
106         } extent;
107         unsigned nr_samples;
108         unsigned rt_count;
109         struct pan_fb_color_attachment rts[8];
110         struct pan_fb_zs_attachment zs;
111 
112         struct {
113                 unsigned stride;
114                 mali_ptr base;
115         } tile_map;
116 
117         union {
118                 struct pan_fb_bifrost_info bifrost;
119         };
120 };
121 
122 static inline unsigned
pan_wls_instances(const struct pan_compute_dim * dim)123 pan_wls_instances(const struct pan_compute_dim *dim)
124 {
125         return util_next_power_of_two(dim->x) *
126                util_next_power_of_two(dim->y) *
127                util_next_power_of_two(dim->z);
128 }
129 
130 static inline unsigned
pan_wls_adjust_size(unsigned wls_size)131 pan_wls_adjust_size(unsigned wls_size)
132 {
133         return util_next_power_of_two(MAX2(wls_size, 128));
134 }
135 
136 static inline unsigned
pan_wls_mem_size(const struct panfrost_device * dev,const struct pan_compute_dim * dim,unsigned wls_size)137 pan_wls_mem_size(const struct panfrost_device *dev,
138                  const struct pan_compute_dim *dim,
139                  unsigned wls_size)
140 {
141         unsigned instances = pan_wls_instances(dim);
142 
143         return pan_wls_adjust_size(wls_size) * instances * dev->core_count;
144 }
145 
146 #ifdef PAN_ARCH
147 void
148 GENX(pan_emit_tls)(const struct pan_tls_info *info,
149                    void *out);
150 
151 int
152 GENX(pan_select_crc_rt)(const struct pan_fb_info *fb);
153 
154 static inline bool
pan_fbd_has_zs_crc_ext(const struct pan_fb_info * fb)155 pan_fbd_has_zs_crc_ext(const struct pan_fb_info *fb)
156 {
157         return PAN_ARCH >= 5 &&
158                (fb->zs.view.zs || fb->zs.view.s ||
159                 GENX(pan_select_crc_rt)(fb) >= 0);
160 }
161 
162 unsigned
163 GENX(pan_emit_fbd)(const struct panfrost_device *dev,
164                    const struct pan_fb_info *fb,
165                    const struct pan_tls_info *tls,
166                    const struct pan_tiler_context *tiler_ctx,
167                    void *out);
168 
169 #if PAN_ARCH >= 6
170 void
171 GENX(pan_emit_tiler_heap)(const struct panfrost_device *dev,
172                           void *out);
173 
174 void
175 GENX(pan_emit_tiler_ctx)(const struct panfrost_device *dev,
176                          unsigned fb_width, unsigned fb_height,
177                          unsigned nr_samples,
178                          mali_ptr heap,
179                          void *out);
180 #endif
181 
182 void
183 GENX(pan_emit_fragment_job)(const struct pan_fb_info *fb,
184                             mali_ptr fbd,
185                             void *out);
186 #endif /* ifdef PAN_ARCH */
187 
188 #endif
189