source/backend/opengl/glsl/nchw_buffer_to_image.glsl

layout(FORMAT, binding=0) writeonly uniform PRECISION image3D uImage;

layout(binding=1) readonly buffer destBuffer{
    float data[];
} uInBuffer;

layout(location = 2) uniform int uWidth;
layout(location = 3) uniform int uHeight;

layout (local_size_x = 8, local_size_y = 8, local_size_z = 1) in;

void main()
{
    ivec3 pos = ivec3(gl_GlobalInvocationID);
    if (pos.x < uWidth && pos.y < uHeight)
    {
        vec4 color;
        int z = pos.z*4;
        color.r = uInBuffer.data[uWidth*pos.y+pos.x+(z+0)*uWidth*uHeight];
        color.g = uInBuffer.data[uWidth*pos.y+pos.x+(z+1)*uWidth*uHeight];
        color.b = uInBuffer.data[uWidth*pos.y+pos.x+(z+2)*uWidth*uHeight];
        color.a = uInBuffer.data[uWidth*pos.y+pos.x+(z+3)*uWidth*uHeight];

        imageStore(uImage, pos, color);
    }
}