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 DEALINGS
24 #ifndef RADV_DESCRIPTOR_SET_H
25 #define RADV_DESCRIPTOR_SET_H
27 #include "radv_constants.h"
29 #include "vulkan/util/vk_object.h"
31 #include <vulkan/vulkan.h>
33 struct radv_descriptor_set_binding_layout
{
34 VkDescriptorType type
;
36 /* Number of array elements in this binding */
40 uint32_t buffer_offset
;
41 uint16_t dynamic_offset_offset
;
43 uint16_t dynamic_offset_count
;
44 /* redundant with the type, each for a single array element */
47 /* Offset in the radv_descriptor_set_layout of the immutable samplers, or 0
48 * if there are no immutable samplers. */
49 uint32_t immutable_samplers_offset
;
50 bool immutable_samplers_equal
;
53 struct radv_descriptor_set_layout
{
54 struct vk_object_base base
;
56 /* The create flags for this descriptor set layout */
57 VkDescriptorSetLayoutCreateFlags flags
;
59 /* Number of bindings in this descriptor set */
60 uint32_t binding_count
;
62 /* Total size of the descriptor set with room for all array entries */
65 /* CPU size of this struct + all associated data, for hashing. */
68 /* Shader stages affected by this descriptor set */
69 uint16_t shader_stages
;
70 uint16_t dynamic_shader_stages
;
72 /* Number of buffers in this descriptor set */
73 uint32_t buffer_count
;
75 /* Number of dynamic offsets used by this descriptor set */
76 uint16_t dynamic_offset_count
;
78 bool has_immutable_samplers
;
79 bool has_variable_descriptors
;
81 uint32_t ycbcr_sampler_offsets_offset
;
83 /* Bindings in this descriptor set */
84 struct radv_descriptor_set_binding_layout binding
[0];
87 struct radv_pipeline_layout
{
88 struct vk_object_base base
;
90 struct radv_descriptor_set_layout
*layout
;
92 uint32_t dynamic_offset_start
;
96 uint32_t push_constant_size
;
97 uint32_t dynamic_offset_count
;
98 uint16_t dynamic_shader_stages
;
100 unsigned char sha1
[20];
103 static inline const uint32_t *
104 radv_immutable_samplers(const struct radv_descriptor_set_layout
*set
,
105 const struct radv_descriptor_set_binding_layout
*binding
) {
106 return (const uint32_t*)((const char*)set
+ binding
->immutable_samplers_offset
);
109 static inline unsigned
110 radv_combined_image_descriptor_sampler_offset(const struct radv_descriptor_set_binding_layout
*binding
)
112 return binding
->size
- ((!binding
->immutable_samplers_equal
) ? 16 : 0);
115 static inline const struct radv_sampler_ycbcr_conversion
*
116 radv_immutable_ycbcr_samplers(const struct radv_descriptor_set_layout
*set
,
117 unsigned binding_index
)
119 if (!set
->ycbcr_sampler_offsets_offset
)
122 const uint32_t *offsets
= (const uint32_t*)((const char*)set
+ set
->ycbcr_sampler_offsets_offset
);
124 if (offsets
[binding_index
] == 0)
126 return (const struct radv_sampler_ycbcr_conversion
*)((const char*)set
+ offsets
[binding_index
]);
128 #endif /* RADV_DESCRIPTOR_SET_H */