1 /*
2 * Copyright © 2016 Bas Nieuwenhuizen
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 RADV_DESCRIPTOR_SET_H
25 #define RADV_DESCRIPTOR_SET_H
26
27 #include <vulkan/vulkan.h>
28
29 #define MAX_SETS 32
30
31 struct radv_descriptor_set_binding_layout {
32 VkDescriptorType type;
33
34 /* Number of array elements in this binding */
35 uint32_t array_size;
36
37 uint32_t offset;
38 uint32_t buffer_offset;
39 uint16_t dynamic_offset_offset;
40
41 uint16_t dynamic_offset_count;
42 /* redundant with the type, each for a single array element */
43 uint32_t size;
44
45 /* Offset in the radv_descriptor_set_layout of the immutable samplers, or 0
46 * if there are no immutable samplers. */
47 uint32_t immutable_samplers_offset;
48 bool immutable_samplers_equal;
49 };
50
51 struct radv_descriptor_set_layout {
52 /* The create flags for this descriptor set layout */
53 VkDescriptorSetLayoutCreateFlags flags;
54
55 /* Number of bindings in this descriptor set */
56 uint32_t binding_count;
57
58 /* Total size of the descriptor set with room for all array entries */
59 uint32_t size;
60
61 /* Shader stages affected by this descriptor set */
62 uint16_t shader_stages;
63 uint16_t dynamic_shader_stages;
64
65 /* Number of buffers in this descriptor set */
66 uint32_t buffer_count;
67
68 /* Number of dynamic offsets used by this descriptor set */
69 uint16_t dynamic_offset_count;
70
71 bool has_immutable_samplers;
72
73 /* Bindings in this descriptor set */
74 struct radv_descriptor_set_binding_layout binding[0];
75 };
76
77 struct radv_pipeline_layout {
78 struct {
79 struct radv_descriptor_set_layout *layout;
80 uint32_t size;
81 uint32_t dynamic_offset_start;
82 } set[MAX_SETS];
83
84 uint32_t num_sets;
85 uint32_t push_constant_size;
86 uint32_t dynamic_offset_count;
87
88 unsigned char sha1[20];
89 };
90
91 static inline const uint32_t *
radv_immutable_samplers(const struct radv_descriptor_set_layout * set,const struct radv_descriptor_set_binding_layout * binding)92 radv_immutable_samplers(const struct radv_descriptor_set_layout *set,
93 const struct radv_descriptor_set_binding_layout *binding) {
94 return (const uint32_t*)((const char*)set + binding->immutable_samplers_offset);
95 }
96 #endif /* RADV_DESCRIPTOR_SET_H */
97