#version 450 core
layout(std430) buffer;
layout(std430) uniform;
layout(set=0, binding=0, rgba8ui) writeonly restrict mediump uniform uimage3D uOutput;

layout(set=0, binding=1) readonly buffer destBuffer{
    uvec4 data[];
} uInBuffer;

layout(set=0, binding=2) uniform constBuffer{
    int width;
    int height;
    int channel;
    int batch;
} uConstant;

layout (local_size_x = 16, local_size_y = 16, local_size_z = 1) in;

void main()
{
    ivec3 pos = ivec3(gl_GlobalInvocationID);

    if (pos.x < uConstant.width && pos.y < uConstant.height)
    {
        int basicOffset = 0
            + pos.z*uConstant.width*uConstant.height
            + uConstant.width*pos.y
            + pos.x;
        imageStore(uOutput, pos, uInBuffer.data[basicOffset]);
    }
}