Differential D8634 Diff 27925 intern/cycles/kernel/svm/svm_voronoi.h

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intern/cycles/kernel/svm/svm_voronoi.h

Show First 20 Lines • Show All 138 Lines • ▼ Show 20 Lines	ccl_device void voronoi_f2_1d(float w,
*outW = positionF2 + cellPosition;		*outW = positionF2 + cellPosition;
}		}

ccl_device void voronoi_distance_to_edge_1d(float w, float randomness, float *outDistance)		ccl_device void voronoi_distance_to_edge_1d(float w, float randomness, float *outDistance)
{		{
float cellPosition = floorf(w);		float cellPosition = floorf(w);
float localPosition = w - cellPosition;		float localPosition = w - cellPosition;

float minDistance = 8.0f;		float midPointPosition = hash_float_to_float(cellPosition) * randomness;
for (int i = -1; i <= 1; i++) {		float leftPointPosition = -1.0f + hash_float_to_float(cellPosition - 1.0f) * randomness;
float cellOffset = i;		float rightPointPosition = 1.0f + hash_float_to_float(cellPosition + 1.0f) * randomness;
float pointPosition = cellOffset + hash_float_to_float(cellPosition + cellOffset) * randomness;		float distanceToMidLeft = fabsf((midPointPosition + leftPointPosition) / 2.0f - localPosition);
float distanceToPoint = fabsf(pointPosition - localPosition);		float distanceToMidRight = fabsf((midPointPosition + rightPointPosition) / 2.0f - localPosition);
minDistance = min(distanceToPoint, minDistance);
}		*outDistance = min(distanceToMidLeft, distanceToMidRight);
*outDistance = minDistance;
}		}

ccl_device void voronoi_n_sphere_radius_1d(float w, float randomness, float *outRadius)		ccl_device void voronoi_n_sphere_radius_1d(float w, float randomness, float *outRadius)
{		{
float cellPosition = floorf(w);		float cellPosition = floorf(w);
float localPosition = w - cellPosition;		float localPosition = w - cellPosition;

float closestPoint = 0.0f;		float closestPoint = 0.0f;
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