1 /*
2 * Mesa 3-D graphics library
3 *
4 * Copyright (C) 2015 LunarG, Inc.
5 *
6 * Permission is hereby granted, free of charge, to any person obtaining a
7 * copy of this software and associated documentation files (the "Software"),
8 * to deal in the Software without restriction, including without limitation
9 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
10 * and/or sell copies of the Software, and to permit persons to whom the
11 * Software is furnished to do so, subject to the following conditions:
12 *
13 * The above copyright notice and this permission notice shall be included
14 * in all copies or substantial portions of the Software.
15 *
16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
17 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
19 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
20 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
21 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
22 * DEALINGS IN THE SOFTWARE.
23 *
24 * Authors:
25 * Chia-I Wu <olv@lunarg.com>
26 */
27
28 #ifndef ILO_STATE_COMPUTE_H
29 #define ILO_STATE_COMPUTE_H
30
31 #include "genhw/genhw.h"
32
33 #include "ilo_core.h"
34 #include "ilo_dev.h"
35
36 /*
37 * From the Haswell PRM, volume 7, page 836:
38 *
39 * "The first 64 URB entries are reserved for the interface
40 * description..."
41 */
42 #define ILO_STATE_COMPUTE_MAX_INTERFACE_COUNT 64
43
44 struct ilo_state_compute_interface_info {
45 /* usually 0 unless there are multiple interfaces */
46 uint32_t kernel_offset;
47
48 uint8_t sampler_count;
49 uint8_t surface_count;
50
51 uint16_t thread_group_size;
52 uint32_t slm_size;
53
54 uint16_t curbe_read_offset;
55 uint16_t curbe_read_length;
56 uint16_t cross_thread_curbe_read_length;
57 };
58
59 struct ilo_state_compute_info {
60 void *data;
61 size_t data_size;
62
63 const struct ilo_state_compute_interface_info *interfaces;
64 uint8_t interface_count;
65
66 uint32_t per_thread_scratch_size;
67
68 uint32_t cv_urb_alloc_size;
69 uint32_t curbe_alloc_size;
70 };
71
72 struct ilo_state_compute {
73 uint32_t vfe[3];
74
75 uint32_t (*idrt)[6];
76 uint8_t idrt_count;
77
78 uint32_t scratch_size;
79 };
80
81 static inline size_t
ilo_state_compute_data_size(const struct ilo_dev * dev,uint8_t interface_count)82 ilo_state_compute_data_size(const struct ilo_dev *dev,
83 uint8_t interface_count)
84 {
85 const struct ilo_state_compute *compute = NULL;
86 return sizeof(compute->idrt[0]) * interface_count;
87 }
88
89 bool
90 ilo_state_compute_init(struct ilo_state_compute *compute,
91 const struct ilo_dev *dev,
92 const struct ilo_state_compute_info *info);
93
94 static inline uint32_t
ilo_state_compute_get_scratch_size(const struct ilo_state_compute * compute)95 ilo_state_compute_get_scratch_size(const struct ilo_state_compute *compute)
96 {
97 return compute->scratch_size;
98 }
99
100 #endif /* ILO_STATE_COMPUTE_H */
101