tu: Rewrite border color handling
[mesa.git] / src / freedreno / vulkan / tu_descriptor_set.h
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
21 * DEALINGS IN THE SOFTWARE.
22 */
23
24 #ifndef TU_DESCRIPTOR_SET_H
25 #define TU_DESCRIPTOR_SET_H
26
27 #include <vulkan/vulkan.h>
28
29 #define MAX_SETS 32
30
31 struct tu_descriptor_set_binding_layout
32 {
33 VkDescriptorType type;
34
35 /* Number of array elements in this binding */
36 uint32_t array_size;
37
38 uint32_t offset;
39 uint32_t buffer_offset;
40 uint16_t dynamic_offset_offset;
41
42 uint16_t dynamic_offset_count;
43 /* redundant with the type, each for a single array element */
44 uint32_t size;
45
46 /* Offset in the tu_descriptor_set_layout of the immutable samplers, or 0
47 * if there are no immutable samplers. */
48 uint32_t immutable_samplers_offset;
49 };
50
51 struct tu_descriptor_set_layout
52 {
53 /* The create flags for this descriptor set layout */
54 VkDescriptorSetLayoutCreateFlags flags;
55
56 /* Number of bindings in this descriptor set */
57 uint32_t binding_count;
58
59 /* Total size of the descriptor set with room for all array entries */
60 uint32_t size;
61
62 /* Shader stages affected by this descriptor set */
63 uint16_t shader_stages;
64 uint16_t dynamic_shader_stages;
65
66 /* Number of buffers in this descriptor set */
67 uint32_t buffer_count;
68
69 /* Number of dynamic offsets used by this descriptor set */
70 uint16_t dynamic_offset_count;
71
72 bool has_immutable_samplers;
73 bool has_variable_descriptors;
74
75 /* Bindings in this descriptor set */
76 struct tu_descriptor_set_binding_layout binding[0];
77 };
78
79 struct tu_pipeline_layout
80 {
81 struct
82 {
83 struct tu_descriptor_set_layout *layout;
84 uint32_t size;
85 uint32_t dynamic_offset_start;
86 } set[MAX_SETS];
87
88 uint32_t num_sets;
89 uint32_t push_constant_size;
90 uint32_t dynamic_offset_count;
91
92 unsigned char sha1[20];
93 };
94
95 static inline const uint32_t *
96 tu_immutable_samplers(const struct tu_descriptor_set_layout *set,
97 const struct tu_descriptor_set_binding_layout *binding)
98 {
99 return (void *) ((const char *) set + binding->immutable_samplers_offset);
100 }
101 #endif /* TU_DESCRIPTOR_SET_H */