33 lines
537 B
Text
33 lines
537 B
Text
#version 450
|
|
|
|
layout(binding = 0) buffer Pos {
|
|
uint values[ ];
|
|
};
|
|
|
|
layout (local_size_x = 1, local_size_y = 1, local_size_z = 1) in;
|
|
|
|
// todo: pass via specialization constant
|
|
#define BUFFER_ELEMENTS 32
|
|
|
|
uint fibonacci(uint n) {
|
|
if(n <= 1){
|
|
return n;
|
|
}
|
|
uint curr = 1;
|
|
uint prev = 1;
|
|
for(uint i = 2; i < n; ++i) {
|
|
uint temp = curr;
|
|
curr += prev;
|
|
prev = temp;
|
|
}
|
|
return curr;
|
|
}
|
|
|
|
void main()
|
|
{
|
|
uint index = gl_GlobalInvocationID.x;
|
|
if (index >= BUFFER_ELEMENTS)
|
|
return;
|
|
values[index] = fibonacci(values[index]);
|
|
}
|
|
|