2 * Copyright © 2016 Bas Nieuwenhuizen
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:
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
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.
24 #ifndef TU_DESCRIPTOR_SET_H
25 #define TU_DESCRIPTOR_SET_H
27 #include <vulkan/vulkan.h>
31 struct tu_descriptor_set_binding_layout
33 VkDescriptorType type
;
35 /* Number of array elements in this binding */
39 uint32_t buffer_offset
;
40 uint16_t dynamic_offset_offset
;
42 uint16_t dynamic_offset_count
;
43 /* redundant with the type, each for a single array element */
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
;
51 struct tu_descriptor_set_layout
53 /* The create flags for this descriptor set layout */
54 VkDescriptorSetLayoutCreateFlags flags
;
56 /* Number of bindings in this descriptor set */
57 uint32_t binding_count
;
59 /* Total size of the descriptor set with room for all array entries */
62 /* Shader stages affected by this descriptor set */
63 uint16_t shader_stages
;
64 uint16_t dynamic_shader_stages
;
66 /* Number of buffers in this descriptor set */
67 uint32_t buffer_count
;
69 /* Number of dynamic offsets used by this descriptor set */
70 uint16_t dynamic_offset_count
;
72 bool has_immutable_samplers
;
73 bool has_variable_descriptors
;
75 /* Bindings in this descriptor set */
76 struct tu_descriptor_set_binding_layout binding
[0];
79 struct tu_pipeline_layout
83 struct tu_descriptor_set_layout
*layout
;
85 uint32_t dynamic_offset_start
;
89 uint32_t push_constant_size
;
90 uint32_t dynamic_offset_count
;
92 unsigned char sha1
[20];
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
)
99 return (void *) ((const char *) set
+ binding
->immutable_samplers_offset
);
101 #endif /* TU_DESCRIPTOR_SET_H */