Cleanup: Remove unused Voronoi texture code.

Let's finally delete this code, after 4 years of being unused,
there really is no excuse anymore.

If we decide to extend the procedural textures in SVM, we can do this anytime in the future.

1 files changed, 0 insertions, 213 deletions

diff --git a/intern/cycles/kernel/svm/svm_texture.h b/intern/cycles/kernel/svm/svm_texture.h
index 2e06bbe8499..904c1e5259a 100644
--- a/intern/cycles/kernel/svm/svm_texture.h
+++ b/intern/cycles/kernel/svm/svm_texture.h
@@ -16,219 +16,6 @@
 
 CCL_NAMESPACE_BEGIN
 
-/* Voronoi Distances */
-
-#if 0
-ccl_device float voronoi_distance(NodeDistanceMetric distance_metric, float3 d, float e)
-{
-#if 0
-	if(distance_metric == NODE_VORONOI_DISTANCE_SQUARED)
-#endif
-		return dot(d, d);
-#if 0
-	if(distance_metric == NODE_VORONOI_ACTUAL_DISTANCE)
-		return len(d);
-	if(distance_metric == NODE_VORONOI_MANHATTAN)
-		return fabsf(d.x) + fabsf(d.y) + fabsf(d.z);
-	if(distance_metric == NODE_VORONOI_CHEBYCHEV)
-		return fmaxf(fabsf(d.x), fmaxf(fabsf(d.y), fabsf(d.z)));
-	if(distance_metric == NODE_VORONOI_MINKOVSKY_H)
-		return sqrtf(fabsf(d.x)) + sqrtf(fabsf(d.y)) + sqrtf(fabsf(d.y));
-	if(distance_metric == NODE_VORONOI_MINKOVSKY_4)
-		return sqrtf(sqrtf(dot(d*d, d*d)));
-	if(distance_metric == NODE_VORONOI_MINKOVSKY)
-		return powf(powf(fabsf(d.x), e) + powf(fabsf(d.y), e) + powf(fabsf(d.z), e), 1.0f/e);
-	
-	return 0.0f;
-#endif
-}
-
-/* Voronoi / Worley like */
-ccl_device_inline float4 voronoi_Fn(float3 p, float e, int n1, int n2)
-{
-	float da[4];
-	float3 pa[4];
-	NodeDistanceMetric distance_metric = NODE_VORONOI_DISTANCE_SQUARED;
-
-	/* returns distances in da and point coords in pa */
-	int xx, yy, zz, xi, yi, zi;
-
-	xi = floor_to_int(p.x);
-	yi = floor_to_int(p.y);
-	zi = floor_to_int(p.z);
-
-	da[0] = 1e10f;
-	da[1] = 1e10f;
-	da[2] = 1e10f;
-	da[3] = 1e10f;
-
-	pa[0] = make_float3(0.0f, 0.0f, 0.0f);
-	pa[1] = make_float3(0.0f, 0.0f, 0.0f);
-	pa[2] = make_float3(0.0f, 0.0f, 0.0f);
-	pa[3] = make_float3(0.0f, 0.0f, 0.0f);
-
-	for(xx = xi-1; xx <= xi+1; xx++) {
-		for(yy = yi-1; yy <= yi+1; yy++) {
-			for(zz = zi-1; zz <= zi+1; zz++) {
-				float3 ip = make_float3((float)xx, (float)yy, (float)zz);
-				float3 vp = cellnoise_color(ip);
-				float3 pd = p - (vp + ip);
-				float d = voronoi_distance(distance_metric, pd, e);
-
-				vp += ip;
-
-				if(d < da[0]) {
-					da[3] = da[2];
-					da[2] = da[1];
-					da[1] = da[0];
-					da[0] = d;
-
-					pa[3] = pa[2];
-					pa[2] = pa[1];
-					pa[1] = pa[0];
-					pa[0] = 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;
-				}
-			}
-		}
-	}
-
-	float4 result = make_float4(pa[n1].x, pa[n1].y, pa[n1].z, da[n1]);
-
-	if(n2 != -1)
-		result = make_float4(pa[n2].x, pa[n2].y, pa[n2].z, da[n2]) - result;
-
-	return result;
-}
-#endif
-
-ccl_device float voronoi_F1_distance(float3 p)
-{
-	/* returns squared distance in da */
-	float da = 1e10f;
-
-#ifndef __KERNEL_SSE2__
-	int ix = floor_to_int(p.x), iy = floor_to_int(p.y), iz = floor_to_int(p.z);
-
-	for(int xx = -1; xx <= 1; xx++) {
-		for(int yy = -1; yy <= 1; yy++) {
-			for(int zz = -1; zz <= 1; zz++) {
-				float3 ip = make_float3(ix + xx, iy + yy, iz + zz);
-				float3 vp = ip + cellnoise_color(ip);
-				float d = len_squared(p - vp);
-				da = min(d, da);
-			}
-		}
-	}
-#else
-	ssef vec_p = load4f(p);
-	ssei xyzi = quick_floor_sse(vec_p);
-
-	for(int xx = -1; xx <= 1; xx++) {
-		for(int yy = -1; yy <= 1; yy++) {
-			for(int zz = -1; zz <= 1; zz++) {
-				ssef ip = ssef(xyzi + ssei(xx, yy, zz, 0));
-				ssef vp = ip + cellnoise_color(ip);
-				float d = len_squared<1, 1, 1, 0>(vec_p - vp);
-				da = min(d, da);
-			}
-		}
-	}
-#endif
-
-	return da;
-}
-
-ccl_device float3 voronoi_F1_color(float3 p)
-{
-	/* returns color of the nearest point */
-	float da = 1e10f;
-
-#ifndef __KERNEL_SSE2__
-	float3 pa;
-	int ix = floor_to_int(p.x), iy = floor_to_int(p.y), iz = floor_to_int(p.z);
-
-	for(int xx = -1; xx <= 1; xx++) {
-		for(int yy = -1; yy <= 1; yy++) {
-			for(int zz = -1; zz <= 1; zz++) {
-				float3 ip = make_float3(ix + xx, iy + yy, iz + zz);
-				float3 vp = ip + cellnoise_color(ip);
-				float d = len_squared(p - vp);
-
-				if(d < da) {
-					da = d;
-					pa = vp;
-				}
-			}
-		}
-	}
-
-	return cellnoise_color(pa);
-#else
-	ssef pa, vec_p = load4f(p);
-	ssei xyzi = quick_floor_sse(vec_p);
-
-	for(int xx = -1; xx <= 1; xx++) {
-		for(int yy = -1; yy <= 1; yy++) {
-			for(int zz = -1; zz <= 1; zz++) {
-				ssef ip = ssef(xyzi + ssei(xx, yy, zz, 0));
-				ssef vp = ip + cellnoise_color(ip);
-				float d = len_squared<1, 1, 1, 0>(vec_p - vp);
-
-				if(d < da) {
-					da = d;
-					pa = vp;
-				}
-			}
-		}
-	}
-
-	ssef color = cellnoise_color(pa);
-	return (float3 &)color;
-#endif
-}
-
-#if 0
-ccl_device float voronoi_F1(float3 p) { return voronoi_Fn(p, 0.0f, 0, -1).w; }
-ccl_device float voronoi_F2(float3 p) { return voronoi_Fn(p, 0.0f, 1, -1).w; }
-ccl_device float voronoi_F3(float3 p) { return voronoi_Fn(p, 0.0f, 2, -1).w; }
-ccl_device float voronoi_F4(float3 p) { return voronoi_Fn(p, 0.0f, 3, -1).w; }
-ccl_device float voronoi_F1F2(float3 p) { return voronoi_Fn(p, 0.0f, 0, 1).w; }
-
-ccl_device float voronoi_Cr(float3 p)
-{
-	/* crackle type pattern, just a scale/clamp of F2-F1 */
-	float t = 10.0f*voronoi_F1F2(p);
-	return (t > 1.0f)? 1.0f: t;
-}
-
-ccl_device float voronoi_F1S(float3 p) { return 2.0f*voronoi_F1(p) - 1.0f; }
-ccl_device float voronoi_F2S(float3 p) { return 2.0f*voronoi_F2(p) - 1.0f; }
-ccl_device float voronoi_F3S(float3 p) { return 2.0f*voronoi_F3(p) - 1.0f; }
-ccl_device float voronoi_F4S(float3 p) { return 2.0f*voronoi_F4(p) - 1.0f; }
-ccl_device float voronoi_F1F2S(float3 p) { return 2.0f*voronoi_F1F2(p) - 1.0f; }
-ccl_device float voronoi_CrS(float3 p) { return 2.0f*voronoi_Cr(p) - 1.0f; }
-#endif
-
 /* Noise Bases */
 
 ccl_device float noise_basis(float3 p, NodeNoiseBasis basis)