1#version 450
2#extension GL_EXT_scalar_block_layout : require
3layout(local_size_x = 1) in;
4
5#define T mat2
6#define PACKING scalar
7
8layout(set = 0, binding = 0, PACKING) buffer SSBOCol
9{
10	layout(column_major) T col_major0;
11	layout(column_major) T col_major1;
12};
13
14layout(set = 0, binding = 1, PACKING) buffer SSBORow
15{
16	layout(row_major) T row_major0;
17	layout(row_major) T row_major1;
18};
19
20void load_store_to_variable_col_major()
21{
22	// Load to variable.
23	T loaded = col_major0;
24
25	// Store from variable.
26	col_major1 = loaded;
27}
28
29void load_store_to_variable_row_major()
30{
31	// Load to variable.
32	T loaded = row_major0;
33
34	// Store to variable.
35	row_major0 = loaded;
36}
37
38void copy_col_major_to_col_major()
39{
40	// Copy col -> col
41	col_major0 = col_major1;
42}
43
44void copy_row_major_to_col_major()
45{
46	// Copy row -> col
47	col_major0 = row_major0;
48}
49
50void copy_col_major_to_row_major()
51{
52	// Copy col -> row
53	row_major0 = col_major0;
54}
55
56void copy_row_major_to_row_major()
57{
58	// Copy row -> row
59	row_major0 = row_major1;
60}
61
62void copy_columns()
63{
64	// Copy columns/rows.
65	col_major0[1] = row_major0[1];
66	row_major0[1] = col_major0[1];
67}
68
69void copy_elements()
70{
71	// Copy individual elements.
72	col_major0[0][1] = row_major0[0][1];
73	row_major0[0][1] = col_major0[0][1];
74}
75
76void main()
77{
78	load_store_to_variable_col_major();
79	load_store_to_variable_row_major();
80	copy_col_major_to_col_major();
81	copy_col_major_to_row_major();
82	copy_row_major_to_col_major();
83	copy_row_major_to_row_major();
84	copy_columns();
85	copy_elements();
86}
87