-uniform PrecalcParams
+layout(push_constant) uniform PrecalcParams
{
int n_samples;
float roughness;
uniform samplerCube environment_map;
-const float PI = 3.1415926535;
-
vec2 hammersley(int i, int count)
{
float y = bitfieldReverse(uint(i))*2.3283064e-10;