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 "radv_constants.h"
28
29 #include "vulkan/runtime/vk_descriptor_set_layout.h"
30 #include "vulkan/runtime/vk_object.h"
31
32 #include <vulkan/vulkan.h>
33
34 struct radv_descriptor_set_binding_layout {
35 VkDescriptorType type;
36
37 /* Number of array elements in this binding */
38 uint32_t array_size;
39
40 uint32_t offset;
41 uint32_t buffer_offset;
42 uint16_t dynamic_offset_offset;
43
44 uint16_t dynamic_offset_count;
45 /* redundant with the type, each for a single array element */
46 uint32_t size;
47
48 /* Offset in the radv_descriptor_set_layout of the immutable samplers, or 0
49 * if there are no immutable samplers. */
50 uint32_t immutable_samplers_offset;
51 bool immutable_samplers_equal;
52 };
53
54 struct radv_descriptor_set_layout {
55 struct vk_descriptor_set_layout vk;
56
57 /* Hash of all fields below */
58 uint8_t hash[SHA1_DIGEST_LENGTH];
59
60 /* Everything below is hashed and shouldn't contain any pointers. Be careful when modifying this
61 * structure.
62 */
63
64 /* The create flags for this descriptor set layout */
65 VkDescriptorSetLayoutCreateFlags flags;
66
67 /* Number of bindings in this descriptor set */
68 uint32_t binding_count;
69
70 /* Total size of the descriptor set with room for all array entries */
71 uint32_t size;
72
73 /* Shader stages affected by this descriptor set */
74 uint16_t shader_stages;
75 uint16_t dynamic_shader_stages;
76
77 /* Number of buffers in this descriptor set */
78 uint32_t buffer_count;
79
80 /* Number of dynamic offsets used by this descriptor set */
81 uint16_t dynamic_offset_count;
82
83 bool has_immutable_samplers;
84 bool has_variable_descriptors;
85
86 uint32_t ycbcr_sampler_offsets_offset;
87
88 /* Bindings in this descriptor set */
89 struct radv_descriptor_set_binding_layout binding[0];
90 };
91
92 struct radv_descriptor_range {
93 uint64_t va;
94 uint32_t size;
95 };
96
97 struct radv_descriptor_set_header {
98 struct vk_object_base base;
99 struct radv_descriptor_set_layout *layout;
100 uint32_t size;
101 uint32_t buffer_count;
102
103 struct radeon_winsys_bo *bo;
104 uint64_t va;
105 uint32_t *mapped_ptr;
106 struct radv_descriptor_range *dynamic_descriptors;
107 };
108
109 struct radv_descriptor_set {
110 struct radv_descriptor_set_header header;
111
112 struct radeon_winsys_bo *descriptors[];
113 };
114
115 struct radv_push_descriptor_set {
116 struct radv_descriptor_set_header set;
117 uint32_t capacity;
118 };
119
120 struct radv_descriptor_pool_entry {
121 uint32_t offset;
122 uint32_t size;
123 struct radv_descriptor_set *set;
124 };
125
126 struct radv_descriptor_pool {
127 struct vk_object_base base;
128 struct radeon_winsys_bo *bo;
129 uint8_t *host_bo;
130 uint8_t *mapped_ptr;
131 uint64_t current_offset;
132 uint64_t size;
133
134 uint8_t *host_memory_base;
135 uint8_t *host_memory_ptr;
136 uint8_t *host_memory_end;
137
138 uint32_t entry_count;
139 uint32_t max_entry_count;
140
141 union {
142 struct radv_descriptor_set *sets[0];
143 struct radv_descriptor_pool_entry entries[0];
144 };
145 };
146
147 struct radv_descriptor_update_template_entry {
148 VkDescriptorType descriptor_type;
149
150 /* The number of descriptors to update */
151 uint32_t descriptor_count;
152
153 /* Into mapped_ptr or dynamic_descriptors, in units of the respective array */
154 uint32_t dst_offset;
155
156 /* In dwords. Not valid/used for dynamic descriptors */
157 uint32_t dst_stride;
158
159 uint32_t buffer_offset;
160
161 /* Only valid for combined image samplers and samplers */
162 uint8_t has_sampler;
163 uint8_t sampler_offset;
164
165 /* In bytes */
166 size_t src_offset;
167 size_t src_stride;
168
169 /* For push descriptors */
170 const uint32_t *immutable_samplers;
171 };
172
173 struct radv_descriptor_update_template {
174 struct vk_object_base base;
175 uint32_t entry_count;
176 VkPipelineBindPoint bind_point;
177 struct radv_descriptor_update_template_entry entry[0];
178 };
179
180 struct radv_pipeline_layout {
181 struct vk_object_base base;
182 struct {
183 struct radv_descriptor_set_layout *layout;
184 uint32_t dynamic_offset_start;
185 } set[MAX_SETS];
186
187 uint32_t num_sets;
188 uint32_t push_constant_size;
189 uint32_t dynamic_offset_count;
190 uint16_t dynamic_shader_stages;
191
192 bool independent_sets;
193
194 unsigned char sha1[20];
195 };
196
197 static inline const uint32_t *
radv_immutable_samplers(const struct radv_descriptor_set_layout * set,const struct radv_descriptor_set_binding_layout * binding)198 radv_immutable_samplers(const struct radv_descriptor_set_layout *set,
199 const struct radv_descriptor_set_binding_layout *binding)
200 {
201 return (const uint32_t *)((const char *)set + binding->immutable_samplers_offset);
202 }
203
204 static inline unsigned
radv_combined_image_descriptor_sampler_offset(const struct radv_descriptor_set_binding_layout * binding)205 radv_combined_image_descriptor_sampler_offset(const struct radv_descriptor_set_binding_layout *binding)
206 {
207 return binding->size - ((!binding->immutable_samplers_equal) ? 16 : 0);
208 }
209
210 static inline const struct vk_ycbcr_conversion_state *
radv_immutable_ycbcr_samplers(const struct radv_descriptor_set_layout * set,unsigned binding_index)211 radv_immutable_ycbcr_samplers(const struct radv_descriptor_set_layout *set, unsigned binding_index)
212 {
213 if (!set->ycbcr_sampler_offsets_offset)
214 return NULL;
215
216 const uint32_t *offsets = (const uint32_t *)((const char *)set + set->ycbcr_sampler_offsets_offset);
217
218 if (offsets[binding_index] == 0)
219 return NULL;
220 return (const struct vk_ycbcr_conversion_state *)((const char *)set + offsets[binding_index]);
221 }
222
223 struct radv_device;
224
225 void radv_pipeline_layout_init(struct radv_device *device, struct radv_pipeline_layout *layout, bool independent_sets);
226 void radv_pipeline_layout_add_set(struct radv_pipeline_layout *layout, uint32_t set_idx,
227 struct radv_descriptor_set_layout *set_layout);
228 void radv_pipeline_layout_hash(struct radv_pipeline_layout *layout);
229 void radv_pipeline_layout_finish(struct radv_device *device, struct radv_pipeline_layout *layout);
230
231 VkResult radv_create_descriptor_pool(struct radv_device *device, const VkDescriptorPoolCreateInfo *pCreateInfo,
232 const VkAllocationCallbacks *pAllocator, VkDescriptorPool *pDescriptorPool,
233 bool is_internal);
234
235 #endif /* RADV_DESCRIPTOR_SET_H */
236