Blender V4.3
vk_memory_layout.cc
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1/* SPDX-FileCopyrightText: 2023 Blender Authors
2 *
3 * SPDX-License-Identifier: GPL-2.0-or-later */
4
9#include "vk_memory_layout.hh"
10
11namespace blender::gpu {
12
13/* -------------------------------------------------------------------- */
17uint32_t Std430::component_mem_size(const shader::Type /*type*/)
18{
19 return 4;
20}
21
22uint32_t Std430::element_alignment(const shader::Type type, const bool is_array)
23{
24 if (is_array) {
25 return 16;
26 }
27 switch (type) {
28 case shader::Type::FLOAT:
29 case shader::Type::UINT:
30 case shader::Type::INT:
31 case shader::Type::BOOL:
32 return 4;
33 case shader::Type::VEC2:
34 case shader::Type::UVEC2:
35 case shader::Type::IVEC2:
36 return 8;
37 case shader::Type::VEC3:
38 case shader::Type::UVEC3:
39 case shader::Type::IVEC3:
40 case shader::Type::VEC4:
41 case shader::Type::UVEC4:
42 case shader::Type::IVEC4:
43 case shader::Type::MAT3:
44 case shader::Type::MAT4:
45 return 16;
46 default:
47 BLI_assert_msg(false, "Type not supported in dynamic structs.");
48 }
49 return 0;
50}
51
52uint32_t Std430::element_components_len(const shader::Type type)
53{
54 switch (type) {
55 case shader::Type::FLOAT:
56 case shader::Type::UINT:
57 case shader::Type::INT:
58 case shader::Type::BOOL:
59 return 1;
60 case shader::Type::VEC2:
61 case shader::Type::UVEC2:
62 case shader::Type::IVEC2:
63 return 2;
64 case shader::Type::VEC3:
65 case shader::Type::UVEC3:
66 case shader::Type::IVEC3:
67 return 3;
68 case shader::Type::VEC4:
69 case shader::Type::UVEC4:
70 case shader::Type::IVEC4:
71 return 4;
72 case shader::Type::MAT3:
73 return 12;
74 case shader::Type::MAT4:
75 return 16;
76 default:
77 BLI_assert_msg(false, "Type not supported in dynamic structs.");
78 }
79 return 0;
80}
81
82uint32_t Std430::array_components_len(const shader::Type type)
83{
84 switch (type) {
85 case shader::Type::FLOAT:
86 case shader::Type::UINT:
87 case shader::Type::INT:
88 case shader::Type::BOOL:
89 return 1;
90 case shader::Type::VEC2:
91 case shader::Type::UVEC2:
92 case shader::Type::IVEC2:
93 return 2;
94 case shader::Type::VEC3:
95 case shader::Type::UVEC3:
96 case shader::Type::IVEC3:
97 case shader::Type::VEC4:
98 case shader::Type::UVEC4:
99 case shader::Type::IVEC4:
100 return 4;
101 case shader::Type::MAT3:
102 return 12;
103 case shader::Type::MAT4:
104 return 16;
105 default:
106 BLI_assert_msg(false, "Type not supported in dynamic structs.");
107 }
108 return 0;
109}
110
111uint32_t Std430::inner_row_padding(const shader::Type type)
112{
113 return type == shader::Type::MAT3 ? 3 : 0;
114}
115
118/* -------------------------------------------------------------------- */
122uint32_t Std140::component_mem_size(const shader::Type /*type*/)
123{
124 return 4;
125}
126
127uint32_t Std140::element_alignment(const shader::Type type, const bool is_array)
128{
129 if (is_array) {
130 return 16;
131 }
132 switch (type) {
133 case shader::Type::FLOAT:
134 case shader::Type::UINT:
135 case shader::Type::INT:
136 case shader::Type::BOOL:
137 return 4;
138 case shader::Type::VEC2:
139 case shader::Type::UVEC2:
140 case shader::Type::IVEC2:
141 return 8;
142 case shader::Type::VEC3:
143 case shader::Type::UVEC3:
144 case shader::Type::IVEC3:
145 case shader::Type::VEC4:
146 case shader::Type::UVEC4:
147 case shader::Type::IVEC4:
148 case shader::Type::MAT3:
149 case shader::Type::MAT4:
150 return 16;
151 default:
152 BLI_assert_msg(false, "Type not supported in dynamic structs.");
153 }
154 return 0;
155}
156
157uint32_t Std140::element_components_len(const shader::Type type)
158{
159 switch (type) {
160 case shader::Type::FLOAT:
161 case shader::Type::UINT:
162 case shader::Type::INT:
163 case shader::Type::BOOL:
164 return 1;
165 case shader::Type::VEC2:
166 case shader::Type::UVEC2:
167 case shader::Type::IVEC2:
168 return 2;
169 case shader::Type::VEC3:
170 case shader::Type::UVEC3:
171 case shader::Type::IVEC3:
172 return 3;
173 case shader::Type::VEC4:
174 case shader::Type::UVEC4:
175 case shader::Type::IVEC4:
176 return 4;
177 case shader::Type::MAT3:
178 return 12;
179 case shader::Type::MAT4:
180 return 16;
181 default:
182 BLI_assert_msg(false, "Type not supported in dynamic structs.");
183 }
184 return 0;
185}
186
187uint32_t Std140::array_components_len(const shader::Type type)
188{
189 switch (type) {
190 case shader::Type::FLOAT:
191 case shader::Type::UINT:
192 case shader::Type::INT:
193 case shader::Type::BOOL:
194 case shader::Type::VEC2:
195 case shader::Type::UVEC2:
196 case shader::Type::IVEC2:
197 case shader::Type::VEC3:
198 case shader::Type::UVEC3:
199 case shader::Type::IVEC3:
200 case shader::Type::VEC4:
201 case shader::Type::UVEC4:
202 case shader::Type::IVEC4:
203 return 4;
204 case shader::Type::MAT3:
205 return 12;
206 case shader::Type::MAT4:
207 return 16;
208 default:
209 BLI_assert_msg(false, "Type not supported in dynamic structs.");
210 }
211 return 0;
212}
213
214uint32_t Std140::inner_row_padding(const shader::Type /*type*/)
215{
216 return 0;
217}
218
221} // namespace blender::gpu
BLI_assert_msg
#define BLI_assert_msg(a, msg)
Definition BLI_assert.h:57
uint32_t
unsigned int uint32_t
Definition stdint.h:80
blender::gpu::Std140::array_components_len
static uint32_t array_components_len(const shader::Type type)
Definition vk_memory_layout.cc:187
blender::gpu::Std140::inner_row_padding
static uint32_t inner_row_padding(const shader::Type type)
Definition vk_memory_layout.cc:214
blender::gpu::Std140::element_components_len
static uint32_t element_components_len(const shader::Type type)
Definition vk_memory_layout.cc:157
blender::gpu::Std140::component_mem_size
static uint32_t component_mem_size(const shader::Type type)
Definition vk_memory_layout.cc:122
blender::gpu::Std140::element_alignment
static uint32_t element_alignment(const shader::Type type, bool is_array)
Definition vk_memory_layout.cc:127
blender::gpu::Std430::element_alignment
static uint32_t element_alignment(const shader::Type type, bool is_array)
Definition vk_memory_layout.cc:22
blender::gpu::Std430::array_components_len
static uint32_t array_components_len(const shader::Type type)
Definition vk_memory_layout.cc:82
blender::gpu::Std430::element_components_len
static uint32_t element_components_len(const shader::Type type)
Definition vk_memory_layout.cc:52
blender::gpu::Std430::component_mem_size
static uint32_t component_mem_size(const shader::Type type)
Definition vk_memory_layout.cc:17
blender::gpu::Std430::inner_row_padding
static uint32_t inner_row_padding(const shader::Type type)
Definition vk_memory_layout.cc:111
vk_memory_layout.hh
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