Differential D4602 Diff 14446 intern/cycles/kernel/svm/svm_voronoi.h

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intern/cycles/kernel/svm/svm_voronoi.h

Show First 20 Lines • Show All 64 Lines • ▼ Show 20 Lines	for(int yy = -1; yy <= 1; yy++) {
else {		else {
d = powf(reduce_add(pow3(n, e)), 1.0f/e);		d = powf(reduce_add(pow3(n, e)), 1.0f/e);
}		}
break;		break;
}		}
}		}

/* To keep the shortest four distances and associated points we have to keep them in sorted order. */		/* To keep the shortest four distances and associated points we have to keep them in sorted order. */
if(d < da[0]) {		int insertPt;
da[3] = da[2];		for(insertPt = 4; (insertPt > 0) && (d < da[insertPt - 1]); insertPt--) {
da[2] = da[1];		if (insertPt < 4) {
da[1] = da[0];		da[insertPt] = da[insertPt - 1];
da[0] = d;		pa[insertPt] = pa[insertPt - 1];
		}
pa[3] = pa[2];		}
pa[2] = pa[1];		if (insertPt < 4) {
pa[1] = pa[0];		da[insertPt] = d;
pa[0] = vp;		pa[insertPt] = vp;
}
else if(d < da[1]) {
da[3] = da[2];
da[2] = da[1];
da[1] = d;

pa[3] = pa[2];
pa[2] = pa[1];
pa[1] = vp;
}
else if(d < da[2]) {
da[3] = da[2];
da[2] = d;

pa[3] = pa[2];
pa[2] = vp;
}
else if(d < da[3]) {
da[3] = d;
pa[3] = vp;
}		}
}		}
}		}
}		}
}		}

ccl_device void svm_node_tex_voronoi(KernelGlobals kg, ShaderData sd, float stack, uint4 node, int offset)		ccl_device void svm_node_tex_voronoi(KernelGlobals kg, ShaderData sd, float stack, uint4 node, int offset)
{		{
uint4 node2 = read_node(kg, offset);		uint4 node2 = read_node(kg, offset);

uint co_offset, coloring, distance, feature;		uint co_offset, coloring, distance, feature;
uint scale_offset, e_offset, fac_offset, color_offset;		uint scale_offset, e_offset, fac_offset, color_offset;
		uint vector_out_offset;

decode_node_uchar4(node.y, &co_offset, &coloring, &distance, &feature);		decode_node_uchar4(node.y, &co_offset, &coloring, &distance, &feature);
decode_node_uchar4(node.z, &scale_offset, &e_offset, &fac_offset, &color_offset);		decode_node_uchar4(node.z, &scale_offset, &e_offset, &fac_offset, &color_offset);

float3 co = stack_load_float3(stack, co_offset);		float3 co = stack_load_float3(stack, co_offset);
float scale = stack_load_float_default(stack, scale_offset, node2.x);		float scale = stack_load_float_default(stack, scale_offset, node2.x);
float exponent = stack_load_float_default(stack, e_offset, node2.y);		float exponent = stack_load_float_default(stack, e_offset, node2.y);
		decode_node_uchar4(node2.z, &vector_out_offset, NULL, NULL, NULL);

float dist[4];		float dist[4];
float3 neighbor[4];		float3 neighbor[4];
voronoi_neighbors(co*scale, (NodeVoronoiDistanceMetric)distance, exponent, dist, neighbor);		voronoi_neighbors(co*scale, (NodeVoronoiDistanceMetric)distance, exponent, dist, neighbor);

float3 color;		float3 color;
float fac;		float fac;
if(coloring == NODE_VORONOI_INTENSITY) {		uint idx;
		float3 pOut = co;
		float3 vOffset = make_float3(0.0f, 0.0f, 0.0f);
		float dOffset = 0.0f;
switch(feature) {		switch(feature) {
case NODE_VORONOI_F1: fac = dist[0]; break;		case NODE_VORONOI_F1: idx = 0; break;
case NODE_VORONOI_F2: fac = dist[1]; break;		case NODE_VORONOI_F2: idx = 1; break;
case NODE_VORONOI_F3: fac = dist[2]; break;		case NODE_VORONOI_F3: idx = 2; break;
case NODE_VORONOI_F4: fac = dist[3]; break;		case NODE_VORONOI_F4: idx = 3; break;
case NODE_VORONOI_F2F1: fac = dist[1] - dist[0]; break;		case NODE_VORONOI_F2F1:
		idx = 1;
		pOut = neighbor[0];
		vOffset = neighbor[0];
		dOffset = dist[0];
		break;
}		}
		float3 outVector = neighbor[idx] - pOut;
		if(coloring == NODE_VORONOI_INTENSITY) {
		fac = dist[idx] - dOffset;
color = make_float3(fac, fac, fac);		color = make_float3(fac, fac, fac);
}		}
else {		else {
/* NODE_VORONOI_CELLS */		/* NODE_VORONOI_CELLS */
switch(feature) {		color = fabs(neighbor[idx] - vOffset);
case NODE_VORONOI_F1: color = neighbor[0]; break;
case NODE_VORONOI_F2: color = neighbor[1]; break;
case NODE_VORONOI_F3: color = neighbor[2]; break;
case NODE_VORONOI_F4: color = neighbor[3]; break;
/* Usefulness of this vector is questionable. Note F2 >= F1 but the
* individual vector components might not be. */
case NODE_VORONOI_F2F1: color = fabs(neighbor[1] - neighbor[0]); break;
}

color = cellnoise3(color);		color = cellnoise3(color);
fac = average(color);		fac = average(color);
}		}

if(stack_valid(fac_offset)) stack_store_float(stack, fac_offset, fac);		if(stack_valid(fac_offset)) stack_store_float(stack, fac_offset, fac);
if(stack_valid(color_offset)) stack_store_float3(stack, color_offset, color);		if(stack_valid(color_offset)) stack_store_float3(stack, color_offset, color);
		if(stack_valid(vector_out_offset)) stack_store_float3(stack, vector_out_offset, outVector);
}		}

CCL_NAMESPACE_END		CCL_NAMESPACE_END