1 /*
2 * Copyright © 2021 Raspberry Pi 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
20 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
21 * IN THE SOFTWARE.
22 */
23
24 #ifndef V3D_UTIL_H
25 #define V3D_UTIL_H
26
27 #include "util/macros.h"
28 #include "common/v3d_device_info.h"
29 #include "compiler/shader_enums.h"
30 #include "util/format/u_formats.h"
31
32 uint32_t
33 v3d_csd_choose_workgroups_per_supergroup(struct v3d_device_info *devinfo,
34 bool has_subgroups,
35 bool has_tsy_barrier,
36 uint32_t threads,
37 uint32_t num_wgs,
38 uint32_t wg_size);
39
40 void
41 v3d_choose_tile_size(const struct v3d_device_info *devinfo,
42 uint32_t color_attachment_count,
43 uint32_t max_internal_bpp,
44 uint32_t total_color_bpp,
45 bool msaa,
46 bool double_buffer,
47 uint32_t *width,
48 uint32_t *height);
49
50 uint32_t
51 v3d_translate_pipe_swizzle(enum pipe_swizzle swizzle);
52
53 uint32_t
54 v3d_hw_prim_type(enum mesa_prim prim_type);
55
56 uint32_t
57 v3d_internal_bpp_words(uint32_t internal_bpp);
58
59 /* Some configuration packets want the size on log2, but starting at 0 for
60 * size 8.
61 */
62 static inline uint8_t
log2_tile_size(uint32_t size)63 log2_tile_size(uint32_t size)
64 {
65 switch(size) {
66 case 8:
67 return 0;
68 case 16:
69 return 1;
70 case 32:
71 return 2;
72 case 64:
73 return 3;
74 default:
75 unreachable("Unsupported tile width/height");
76 }
77 }
78
79 uint32_t
80 v3d_compute_rt_row_row_stride_128_bits(uint32_t tile_width,
81 uint32_t bpp);
82 #endif
83