• Home
  • Line#
  • Scopes#
  • Navigate#
  • Raw
  • Download
1#version 450
2
3#extension GL_ARB_gpu_shader_int64: enable
4#extension GL_ARB_shader_ballot: enable
5
6layout (local_size_x = 8, local_size_y = 8, local_size_z = 1) in;
7
8layout(binding = 0) buffer Buffers
9{
10    vec4  f4;
11    ivec4 i4;
12    uvec4 u4;
13} data[4];
14
15void main()
16{
17    uint invocation = (gl_SubGroupInvocationARB + gl_SubGroupSizeARB) % 4;
18
19    uint64_t relMask = gl_SubGroupEqMaskARB +
20                       gl_SubGroupGeMaskARB +
21                       gl_SubGroupGtMaskARB +
22                       gl_SubGroupLeMaskARB +
23                       gl_SubGroupLtMaskARB;
24
25    if (relMask == ballotARB(true))
26    {
27        data[invocation].f4.x   = readInvocationARB(data[0].f4.x,    invocation);
28        data[invocation].f4.xy  = readInvocationARB(data[1].f4.xy,   invocation);
29        data[invocation].f4.xyz = readInvocationARB(data[2].f4.xyz,  invocation);
30        data[invocation].f4     = readInvocationARB(data[3].f4,      invocation);
31
32        data[invocation].i4.x   = readInvocationARB(data[0].i4.x,    invocation);
33        data[invocation].i4.xy  = readInvocationARB(data[1].i4.xy,   invocation);
34        data[invocation].i4.xyz = readInvocationARB(data[2].i4.xyz,  invocation);
35        data[invocation].i4     = readInvocationARB(data[3].i4,      invocation);
36
37        data[invocation].u4.x   = readInvocationARB(data[0].u4.x,    invocation);
38        data[invocation].u4.xy  = readInvocationARB(data[1].u4.xy,   invocation);
39        data[invocation].u4.xyz = readInvocationARB(data[2].u4.xyz,  invocation);
40        data[invocation].u4     = readInvocationARB(data[3].u4,      invocation);
41    }
42    else
43    {
44        data[invocation].f4.x   = readFirstInvocationARB(data[0].f4.x);
45        data[invocation].f4.xy  = readFirstInvocationARB(data[1].f4.xy);
46        data[invocation].f4.xyz = readFirstInvocationARB(data[2].f4.xyz);
47        data[invocation].f4     = readFirstInvocationARB(data[3].f4);
48
49        data[invocation].i4.x   = readFirstInvocationARB(data[0].i4.x);
50        data[invocation].i4.xy  = readFirstInvocationARB(data[1].i4.xy);
51        data[invocation].i4.xyz = readFirstInvocationARB(data[2].i4.xyz);
52        data[invocation].i4     = readFirstInvocationARB(data[3].i4);
53
54        data[invocation].u4.x   = readFirstInvocationARB(data[0].u4.x);
55        data[invocation].u4.xy  = readFirstInvocationARB(data[1].u4.xy);
56        data[invocation].u4.xyz = readFirstInvocationARB(data[2].u4.xyz);
57        data[invocation].u4     = readFirstInvocationARB(data[3].u4);
58    }
59}