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Cleanup: remove unused function

This commit is contained in:
Weizhen Huang 2024-03-13 22:07:08 +01:00
parent 6ceefe4f23
commit f5f10201ca
1 changed files with 0 additions and 26 deletions
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26
intern/cycles/kernel/integrator/shade_volume.h
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@ -313,32 +313,6 @@ ccl_device float volume_equiangular_pdf(ccl_private const Ray *ccl_restrict ray,
return pdf;
}
ccl_device float volume_equiangular_cdf(ccl_private const Ray *ccl_restrict ray,
const float3 light_P,
const float sample_t)
{
float delta = dot((light_P - ray->P), ray->D);
float D = safe_sqrtf(len_squared(light_P - ray->P) - delta * delta);
if (UNLIKELY(D == 0.0f)) {
return 0.0f;
}
const float tmin = ray->tmin;
const float tmax = ray->tmax;
const float t_ = sample_t - delta;
const float theta_a = atan2f(tmin - delta, D);
const float theta_b = atan2f(tmax - delta, D);
if (UNLIKELY(theta_b == theta_a)) {
return 0.0f;
}
const float theta_sample = atan2f(t_, D);
const float cdf = (theta_sample - theta_a) / (theta_b - theta_a);
return cdf;
}
/* Distance sampling */
ccl_device float volume_distance_sample(float max_t,