Blender V5.0
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
8
9#include "vk_memory_layout.hh"
10
11namespace blender::gpu {
12
13/* -------------------------------------------------------------------- */
16
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 switch (type) {
25 case shader::Type::float_t:
26 case shader::Type::uint_t:
27 case shader::Type::int_t:
28 case shader::Type::bool_t:
29 return 4;
30 case shader::Type::float2_t:
31 case shader::Type::uint2_t:
32 case shader::Type::int2_t:
33 return 8;
34 case shader::Type::float3_t:
35 case shader::Type::uint3_t:
36 case shader::Type::int3_t:
37 case shader::Type::float4_t:
38 case shader::Type::uint4_t:
39 case shader::Type::int4_t:
40 case shader::Type::float3x3_t:
41 case shader::Type::float4x4_t:
42 return 16;
43 default:
44 BLI_assert_msg(false, "Type not supported in dynamic structs.");
45 }
46 return 0;
47}
48
49uint32_t Std430::element_components_len(const shader::Type type)
50{
51 switch (type) {
52 case shader::Type::float_t:
53 case shader::Type::uint_t:
54 case shader::Type::int_t:
55 case shader::Type::bool_t:
56 return 1;
57 case shader::Type::float2_t:
58 case shader::Type::uint2_t:
59 case shader::Type::int2_t:
60 return 2;
61 case shader::Type::float3_t:
62 case shader::Type::uint3_t:
63 case shader::Type::int3_t:
64 return 3;
65 case shader::Type::float4_t:
66 case shader::Type::uint4_t:
67 case shader::Type::int4_t:
68 return 4;
69 case shader::Type::float3x3_t:
70 return 12;
71 case shader::Type::float4x4_t:
72 return 16;
73 default:
74 BLI_assert_msg(false, "Type not supported in dynamic structs.");
75 }
76 return 0;
77}
78
79uint32_t Std430::array_components_len(const shader::Type type)
80{
81 switch (type) {
82 case shader::Type::float_t:
83 case shader::Type::uint_t:
84 case shader::Type::int_t:
85 case shader::Type::bool_t:
86 return 1;
87 case shader::Type::float2_t:
88 case shader::Type::uint2_t:
89 case shader::Type::int2_t:
90 return 2;
91 case shader::Type::float3_t:
92 case shader::Type::uint3_t:
93 case shader::Type::int3_t:
94 case shader::Type::float4_t:
95 case shader::Type::uint4_t:
96 case shader::Type::int4_t:
97 return 4;
98 case shader::Type::float3x3_t:
99 return 12;
100 case shader::Type::float4x4_t:
101 return 16;
102 default:
103 BLI_assert_msg(false, "Type not supported in dynamic structs.");
104 }
105 return 0;
106}
107
108uint32_t Std430::inner_row_padding(const shader::Type type)
109{
110 return type == shader::Type::float3x3_t ? 3 : 0;
111}
112
114
115/* -------------------------------------------------------------------- */
118
119uint32_t Std140::component_mem_size(const shader::Type /*type*/)
120{
121 return 4;
122}
123
124uint32_t Std140::element_alignment(const shader::Type type, const bool is_array)
125{
126 if (is_array) {
127 return 16;
128 }
129 switch (type) {
130 case shader::Type::float_t:
131 case shader::Type::uint_t:
132 case shader::Type::int_t:
133 case shader::Type::bool_t:
134 return 4;
135 case shader::Type::float2_t:
136 case shader::Type::uint2_t:
137 case shader::Type::int2_t:
138 return 8;
139 case shader::Type::float3_t:
140 case shader::Type::uint3_t:
141 case shader::Type::int3_t:
142 case shader::Type::float4_t:
143 case shader::Type::uint4_t:
144 case shader::Type::int4_t:
145 case shader::Type::float3x3_t:
146 case shader::Type::float4x4_t:
147 return 16;
148 default:
149 BLI_assert_msg(false, "Type not supported in dynamic structs.");
150 }
151 return 0;
152}
153
154uint32_t Std140::element_components_len(const shader::Type type)
155{
156 switch (type) {
157 case shader::Type::float_t:
158 case shader::Type::uint_t:
159 case shader::Type::int_t:
160 case shader::Type::bool_t:
161 return 1;
162 case shader::Type::float2_t:
163 case shader::Type::uint2_t:
164 case shader::Type::int2_t:
165 return 2;
166 case shader::Type::float3_t:
167 case shader::Type::uint3_t:
168 case shader::Type::int3_t:
169 return 3;
170 case shader::Type::float4_t:
171 case shader::Type::uint4_t:
172 case shader::Type::int4_t:
173 return 4;
174 case shader::Type::float3x3_t:
175 return 12;
176 case shader::Type::float4x4_t:
177 return 16;
178 default:
179 BLI_assert_msg(false, "Type not supported in dynamic structs.");
180 }
181 return 0;
182}
183
184uint32_t Std140::array_components_len(const shader::Type type)
185{
186 switch (type) {
187 case shader::Type::float_t:
188 case shader::Type::uint_t:
189 case shader::Type::int_t:
190 case shader::Type::bool_t:
191 case shader::Type::float2_t:
192 case shader::Type::uint2_t:
193 case shader::Type::int2_t:
194 case shader::Type::float3_t:
195 case shader::Type::uint3_t:
196 case shader::Type::int3_t:
197 case shader::Type::float4_t:
198 case shader::Type::uint4_t:
199 case shader::Type::int4_t:
200 return 4;
201 case shader::Type::float3x3_t:
202 return 12;
203 case shader::Type::float4x4_t:
204 return 16;
205 default:
206 BLI_assert_msg(false, "Type not supported in dynamic structs.");
207 }
208 return 0;
209}
210
211uint32_t Std140::inner_row_padding(const shader::Type /*type*/)
212{
213 return 0;
214}
215
217
218} // namespace blender::gpu
BLI_assert_msg
#define BLI_assert_msg(a, msg)
Definition BLI_assert.h:53
blender::gpu::Std140::array_components_len
static uint32_t array_components_len(const shader::Type type)
Definition vk_memory_layout.cc:184
blender::gpu::Std140::inner_row_padding
static uint32_t inner_row_padding(const shader::Type type)
Definition vk_memory_layout.cc:211
blender::gpu::Std140::element_components_len
static uint32_t element_components_len(const shader::Type type)
Definition vk_memory_layout.cc:154
blender::gpu::Std140::component_mem_size
static uint32_t component_mem_size(const shader::Type type)
Definition vk_memory_layout.cc:119
blender::gpu::Std140::element_alignment
static uint32_t element_alignment(const shader::Type type, bool is_array)
Definition vk_memory_layout.cc:124
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:79
blender::gpu::Std430::element_components_len
static uint32_t element_components_len(const shader::Type type)
Definition vk_memory_layout.cc:49
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:108
vk_memory_layout.hh
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