1 /*
2  * Copyright © 2016 Red Hat.
3  * Copyright © 2016 Bas Nieuwenhuizen
4  *
5  * based in part on anv driver which is:
6  * Copyright © 2015 Intel Corporation
7  *
8  * Permission is hereby granted, free of charge, to any person obtaining a
9  * copy of this software and associated documentation files (the "Software"),
10  * to deal in the Software without restriction, including without limitation
11  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
12  * and/or sell copies of the Software, and to permit persons to whom the
13  * Software is furnished to do so, subject to the following conditions:
14  *
15  * The above copyright notice and this permission notice (including the next
16  * paragraph) shall be included in all copies or substantial portions of the
17  * Software.
18  *
19  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
20  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
21  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
22  * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
23  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
24  * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
25  * IN THE SOFTWARE.
26  */
27 
28 #ifndef RADV_CONSTANTS_H
29 #define RADV_CONSTANTS_H
30 
31 #define ATI_VENDOR_ID 0x1002
32 
33 #define MAX_VBS                        32
34 #define MAX_VERTEX_ATTRIBS             32
35 #define MAX_RTS                        8
36 #define MAX_VIEWPORTS                  16
37 #define MAX_SCISSORS                   16
38 #define MAX_DISCARD_RECTANGLES         4
39 #define MAX_SAMPLE_LOCATIONS           32
40 #define MAX_PUSH_CONSTANTS_SIZE        128
41 #define MAX_PUSH_DESCRIPTORS           32
42 #define MAX_DYNAMIC_UNIFORM_BUFFERS    16
43 #define MAX_DYNAMIC_STORAGE_BUFFERS    8
44 #define MAX_DYNAMIC_BUFFERS            (MAX_DYNAMIC_UNIFORM_BUFFERS + MAX_DYNAMIC_STORAGE_BUFFERS)
45 #define MAX_SAMPLES_LOG2               4
46 #define NUM_META_FS_KEYS               12
47 #define RADV_MAX_DRM_DEVICES           8
48 #define MAX_VIEWS                      8
49 #define MAX_SO_STREAMS                 4
50 #define MAX_SO_BUFFERS                 4
51 #define MAX_SO_OUTPUTS                 64
52 #define MAX_INLINE_UNIFORM_BLOCK_SIZE  (4ull * 1024 * 1024)
53 #define MAX_INLINE_UNIFORM_BLOCK_COUNT 64
54 #define MAX_BIND_POINTS                3 /* compute + graphics + raytracing */
55 
56 #define NUM_DEPTH_CLEAR_PIPELINES      2
57 #define NUM_DEPTH_DECOMPRESS_PIPELINES 3
58 
59 /*
60  * This is the point we switch from using CP to compute shader
61  * for certain buffer operations.
62  */
63 #define RADV_BUFFER_OPS_CS_THRESHOLD 4096
64 
65 #define RADV_BUFFER_UPDATE_THRESHOLD 1024
66 
67 /* descriptor index into scratch ring offsets */
68 #define RING_SCRATCH             0
69 #define RING_ESGS_VS             1
70 #define RING_ESGS_GS             2
71 #define RING_GSVS_VS             3
72 #define RING_GSVS_GS             4
73 #define RING_HS_TESS_FACTOR      5
74 #define RING_HS_TESS_OFFCHIP     6
75 #define RING_PS_SAMPLE_POSITIONS 7
76 
77 /* max number of descriptor sets */
78 #define MAX_SETS 32
79 
80 /* Make sure everything is addressable by a signed 32-bit int, and
81  * our largest descriptors are 96 bytes.
82  */
83 #define RADV_MAX_PER_SET_DESCRIPTORS ((1ull << 31) / 96)
84 
85 /* Our buffer size fields allow only 2**32 - 1. We round that down to a multiple
86  * of 4 bytes so we can align buffer sizes up.
87  */
88 #define RADV_MAX_MEMORY_ALLOCATION_SIZE 0xFFFFFFFCull
89 
90 /* Number of invocations in each subgroup. */
91 #define RADV_SUBGROUP_SIZE 64
92 
93 /* The spec requires this to be 32. */
94 #define RADV_RT_HANDLE_SIZE 32
95 
96 #define RADV_MAX_HIT_ATTRIB_SIZE 32
97 
98 #define RADV_SHADER_ALLOC_ALIGNMENT      256
99 #define RADV_SHADER_ALLOC_MIN_ARENA_SIZE (256 * 1024)
100 #define RADV_SHADER_ALLOC_MIN_SIZE_CLASS 8
101 #define RADV_SHADER_ALLOC_MAX_SIZE_CLASS 15
102 #define RADV_SHADER_ALLOC_NUM_FREE_LISTS                                                           \
103    (RADV_SHADER_ALLOC_MAX_SIZE_CLASS - RADV_SHADER_ALLOC_MIN_SIZE_CLASS + 1)
104 
105 #endif /* RADV_CONSTANTS_H */
106