1#version 450
 2
 3#include "generic_head.glsl"
 4#include "types.glsl"
 5
 6#extension GL_EXT_control_flow_attributes : enable
 7
 8layout(local_size_x = 512, local_size_y = 1, local_size_z = 1) in;
 9
10layout (binding = 0) readonly buffer X {A_TYPE data_a[];};
11layout (binding = 1) writeonly buffer D {D_TYPE data_d[];};
12
13void main() {
14    const uint i = gl_GlobalInvocationID.z * 262144 + gl_GlobalInvocationID.y * 512 + gl_GlobalInvocationID.x;
15
16    if (i >= p.KX) {
17        return;
18    }
19
20    const float x = float(data_a[i]);
21    float result;
22    // Round halfway cases away from zero as roundf does.
23    if (x >= 0.0) {
24        result = floor(x + 0.5);
25    } else {
26        result = ceil(x - 0.5);
27    }
28    data_d[i] = D_TYPE(result);
29}