76 lines
3.2 KiB
Plaintext
76 lines
3.2 KiB
Plaintext
#version 320 es
|
|
|
|
#extension GL_KHR_shader_subgroup_ballot: enable
|
|
|
|
layout (local_size_x = 8, local_size_y = 8, local_size_z = 1) in;
|
|
|
|
layout(binding = 0) buffer Buffers
|
|
{
|
|
vec4 f4;
|
|
ivec4 i4;
|
|
uvec4 u4;
|
|
} data[4];
|
|
|
|
void main()
|
|
{
|
|
uint invocation = (gl_SubgroupInvocationID + gl_SubgroupSize) % 4u;
|
|
|
|
uvec4 relMask = gl_SubgroupEqMask +
|
|
gl_SubgroupGeMask +
|
|
gl_SubgroupGtMask +
|
|
gl_SubgroupLeMask +
|
|
gl_SubgroupLtMask;
|
|
|
|
uvec4 result = subgroupBallot(true);
|
|
|
|
data[0].u4.x = subgroupBallotBitCount(result);
|
|
data[0].u4.y = subgroupBallotBitExtract(result, 0u) ? 1u : 0u;
|
|
data[0].u4.z = subgroupBallotInclusiveBitCount(result) + subgroupBallotExclusiveBitCount(result);
|
|
data[0].u4.w = subgroupBallotFindLSB(result) + subgroupBallotFindMSB(result);
|
|
|
|
if ((relMask == result) && subgroupInverseBallot(data[0].u4))
|
|
{
|
|
data[1].f4.x = subgroupBroadcast(data[0].f4.x, 3u);
|
|
data[1].f4.xy = subgroupBroadcast(data[1].f4.xy, 3u);
|
|
data[1].f4.xyz = subgroupBroadcast(data[2].f4.xyz, 3u);
|
|
data[1].f4 = subgroupBroadcast(data[3].f4, 3u);
|
|
|
|
data[2].i4.x = subgroupBroadcast(data[0].i4.x, 2u);
|
|
data[2].i4.xy = subgroupBroadcast(data[1].i4.xy, 2u);
|
|
data[2].i4.xyz = subgroupBroadcast(data[2].i4.xyz, 2u);
|
|
data[2].i4 = subgroupBroadcast(data[3].i4, 2u);
|
|
|
|
data[3].u4.x = subgroupBroadcast(data[0].u4.x, 1u);
|
|
data[3].u4.xy = subgroupBroadcast(data[1].u4.xy, 1u);
|
|
data[3].u4.xyz = subgroupBroadcast(data[2].u4.xyz, 1u);
|
|
data[3].u4 = subgroupBroadcast(data[3].u4, 1u);
|
|
|
|
data[0].i4.x = int(subgroupBroadcast(data[0].i4.x < 0, 1u));
|
|
data[0].i4.xy = ivec2(subgroupBroadcast(lessThan(data[1].i4.xy, ivec2(0)), 1u));
|
|
data[0].i4.xyz = ivec3(subgroupBroadcast(lessThan(data[1].i4.xyz, ivec3(0)), 1u));
|
|
data[0].i4 = ivec4(subgroupBroadcast(lessThan(data[1].i4, ivec4(0)), 1u));
|
|
}
|
|
else
|
|
{
|
|
data[1].f4.x = subgroupBroadcastFirst(data[0].f4.x);
|
|
data[1].f4.xy = subgroupBroadcastFirst(data[1].f4.xy);
|
|
data[1].f4.xyz = subgroupBroadcastFirst(data[2].f4.xyz);
|
|
data[1].f4 = subgroupBroadcastFirst(data[3].f4);
|
|
|
|
data[2].i4.x = subgroupBroadcastFirst(data[0].i4.x);
|
|
data[2].i4.xy = subgroupBroadcastFirst(data[1].i4.xy);
|
|
data[2].i4.xyz = subgroupBroadcastFirst(data[2].i4.xyz);
|
|
data[2].i4 = subgroupBroadcastFirst(data[3].i4);
|
|
|
|
data[3].u4.x = subgroupBroadcastFirst(data[0].u4.x);
|
|
data[3].u4.xy = subgroupBroadcastFirst(data[1].u4.xy);
|
|
data[3].u4.xyz = subgroupBroadcastFirst(data[2].u4.xyz);
|
|
data[3].u4 = subgroupBroadcastFirst(data[3].u4);
|
|
|
|
data[0].i4.x = int(subgroupBroadcastFirst(data[0].i4.x < 0));
|
|
data[0].i4.xy = ivec2(subgroupBroadcastFirst(lessThan(data[1].i4.xy, ivec2(0))));
|
|
data[0].i4.xyz = ivec3(subgroupBroadcastFirst(lessThan(data[1].i4.xyz, ivec3(0))));
|
|
data[0].i4 = ivec4(subgroupBroadcastFirst(lessThan(data[1].i4, ivec4(0))));
|
|
}
|
|
}
|