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diff --git a/intern/cycles/kernel/svm/svm_musgrave.h b/intern/cycles/kernel/svm/svm_musgrave.h
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-/*
- * Copyright 2011-2013 Blender Foundation
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-CCL_NAMESPACE_BEGIN
-
-/* 1D Musgrave fBm
- *
- * H: fractal increment parameter
- * lacunarity: gap between successive frequencies
- * octaves: number of frequencies in the fBm
- *
- * from "Texturing and Modelling: A procedural approach"
- */
-
-ccl_device_noinline_cpu float noise_musgrave_fBm_1d(float co,
- float H,
- float lacunarity,
- float octaves)
-{
- float p = co;
- float value = 0.0f;
- float pwr = 1.0f;
- float pwHL = powf(lacunarity, -H);
-
- for (int i = 0; i < float_to_int(octaves); i++) {
- value += snoise_1d(p) * pwr;
- pwr *= pwHL;
- p *= lacunarity;
- }
-
- float rmd = octaves - floorf(octaves);
- if (rmd != 0.0f) {
- value += rmd * snoise_1d(p) * pwr;
- }
-
- return value;
-}
-
-/* 1D Musgrave Multifractal
- *
- * H: highest fractal dimension
- * lacunarity: gap between successive frequencies
- * octaves: number of frequencies in the fBm
- */
-
-ccl_device_noinline_cpu float noise_musgrave_multi_fractal_1d(float co,
- float H,
- float lacunarity,
- float octaves)
-{
- float p = co;
- float value = 1.0f;
- float pwr = 1.0f;
- float pwHL = powf(lacunarity, -H);
-
- for (int i = 0; i < float_to_int(octaves); i++) {
- value *= (pwr * snoise_1d(p) + 1.0f);
- pwr *= pwHL;
- p *= lacunarity;
- }
-
- float rmd = octaves - floorf(octaves);
- if (rmd != 0.0f) {
- value *= (rmd * pwr * snoise_1d(p) + 1.0f); /* correct? */
- }
-
- return value;
-}
-
-/* 1D Musgrave Heterogeneous Terrain
- *
- * H: fractal dimension of the roughest area
- * lacunarity: gap between successive frequencies
- * octaves: number of frequencies in the fBm
- * offset: raises the terrain from `sea level'
- */
-
-ccl_device_noinline_cpu float noise_musgrave_hetero_terrain_1d(
- float co, float H, float lacunarity, float octaves, float offset)
-{
- float p = co;
- float pwHL = powf(lacunarity, -H);
- float pwr = pwHL;
-
- /* first unscaled octave of function; later octaves are scaled */
- float value = offset + snoise_1d(p);
- p *= lacunarity;
-
- for (int i = 1; i < float_to_int(octaves); i++) {
- float increment = (snoise_1d(p) + offset) * pwr * value;
- value += increment;
- pwr *= pwHL;
- p *= lacunarity;
- }
-
- float rmd = octaves - floorf(octaves);
- if (rmd != 0.0f) {
- float increment = (snoise_1d(p) + offset) * pwr * value;
- value += rmd * increment;
- }
-
- return value;
-}
-
-/* 1D Hybrid Additive/Multiplicative Multifractal Terrain
- *
- * H: fractal dimension of the roughest area
- * lacunarity: gap between successive frequencies
- * octaves: number of frequencies in the fBm
- * offset: raises the terrain from `sea level'
- */
-
-ccl_device_noinline_cpu float noise_musgrave_hybrid_multi_fractal_1d(
- float co, float H, float lacunarity, float octaves, float offset, float gain)
-{
- float p = co;
- float pwHL = powf(lacunarity, -H);
- float pwr = pwHL;
-
- float value = snoise_1d(p) + offset;
- float weight = gain * value;
- p *= lacunarity;
-
- for (int i = 1; (weight > 0.001f) && (i < float_to_int(octaves)); i++) {
- if (weight > 1.0f) {
- weight = 1.0f;
- }
-
- float signal = (snoise_1d(p) + offset) * pwr;
- pwr *= pwHL;
- value += weight * signal;
- weight *= gain * signal;
- p *= lacunarity;
- }
-
- float rmd = octaves - floorf(octaves);
- if (rmd != 0.0f) {
- value += rmd * ((snoise_1d(p) + offset) * pwr);
- }
-
- return value;
-}
-
-/* 1D Ridged Multifractal Terrain
- *
- * H: fractal dimension of the roughest area
- * lacunarity: gap between successive frequencies
- * octaves: number of frequencies in the fBm
- * offset: raises the terrain from `sea level'
- */
-
-ccl_device_noinline_cpu float noise_musgrave_ridged_multi_fractal_1d(
- float co, float H, float lacunarity, float octaves, float offset, float gain)
-{
- float p = co;
- float pwHL = powf(lacunarity, -H);
- float pwr = pwHL;
-
- float signal = offset - fabsf(snoise_1d(p));
- signal *= signal;
- float value = signal;
- float weight = 1.0f;
-
- for (int i = 1; i < float_to_int(octaves); i++) {
- p *= lacunarity;
- weight = saturate(signal * gain);
- signal = offset - fabsf(snoise_1d(p));
- signal *= signal;
- signal *= weight;
- value += signal * pwr;
- pwr *= pwHL;
- }
-
- return value;
-}
-
-/* 2D Musgrave fBm
- *
- * H: fractal increment parameter
- * lacunarity: gap between successive frequencies
- * octaves: number of frequencies in the fBm
- *
- * from "Texturing and Modelling: A procedural approach"
- */
-
-ccl_device_noinline_cpu float noise_musgrave_fBm_2d(float2 co,
- float H,
- float lacunarity,
- float octaves)
-{
- float2 p = co;
- float value = 0.0f;
- float pwr = 1.0f;
- float pwHL = powf(lacunarity, -H);
-
- for (int i = 0; i < float_to_int(octaves); i++) {
- value += snoise_2d(p) * pwr;
- pwr *= pwHL;
- p *= lacunarity;
- }
-
- float rmd = octaves - floorf(octaves);
- if (rmd != 0.0f) {
- value += rmd * snoise_2d(p) * pwr;
- }
-
- return value;
-}
-
-/* 2D Musgrave Multifractal
- *
- * H: highest fractal dimension
- * lacunarity: gap between successive frequencies
- * octaves: number of frequencies in the fBm
- */
-
-ccl_device_noinline_cpu float noise_musgrave_multi_fractal_2d(float2 co,
- float H,
- float lacunarity,
- float octaves)
-{
- float2 p = co;
- float value = 1.0f;
- float pwr = 1.0f;
- float pwHL = powf(lacunarity, -H);
-
- for (int i = 0; i < float_to_int(octaves); i++) {
- value *= (pwr * snoise_2d(p) + 1.0f);
- pwr *= pwHL;
- p *= lacunarity;
- }
-
- float rmd = octaves - floorf(octaves);
- if (rmd != 0.0f) {
- value *= (rmd * pwr * snoise_2d(p) + 1.0f); /* correct? */
- }
-
- return value;
-}
-
-/* 2D Musgrave Heterogeneous Terrain
- *
- * H: fractal dimension of the roughest area
- * lacunarity: gap between successive frequencies
- * octaves: number of frequencies in the fBm
- * offset: raises the terrain from `sea level'
- */
-
-ccl_device_noinline_cpu float noise_musgrave_hetero_terrain_2d(
- float2 co, float H, float lacunarity, float octaves, float offset)
-{
- float2 p = co;
- float pwHL = powf(lacunarity, -H);
- float pwr = pwHL;
-
- /* first unscaled octave of function; later octaves are scaled */
- float value = offset + snoise_2d(p);
- p *= lacunarity;
-
- for (int i = 1; i < float_to_int(octaves); i++) {
- float increment = (snoise_2d(p) + offset) * pwr * value;
- value += increment;
- pwr *= pwHL;
- p *= lacunarity;
- }
-
- float rmd = octaves - floorf(octaves);
- if (rmd != 0.0f) {
- float increment = (snoise_2d(p) + offset) * pwr * value;
- value += rmd * increment;
- }
-
- return value;
-}
-
-/* 2D Hybrid Additive/Multiplicative Multifractal Terrain
- *
- * H: fractal dimension of the roughest area
- * lacunarity: gap between successive frequencies
- * octaves: number of frequencies in the fBm
- * offset: raises the terrain from `sea level'
- */
-
-ccl_device_noinline_cpu float noise_musgrave_hybrid_multi_fractal_2d(
- float2 co, float H, float lacunarity, float octaves, float offset, float gain)
-{
- float2 p = co;
- float pwHL = powf(lacunarity, -H);
- float pwr = pwHL;
-
- float value = snoise_2d(p) + offset;
- float weight = gain * value;
- p *= lacunarity;
-
- for (int i = 1; (weight > 0.001f) && (i < float_to_int(octaves)); i++) {
- if (weight > 1.0f) {
- weight = 1.0f;
- }
-
- float signal = (snoise_2d(p) + offset) * pwr;
- pwr *= pwHL;
- value += weight * signal;
- weight *= gain * signal;
- p *= lacunarity;
- }
-
- float rmd = octaves - floorf(octaves);
- if (rmd != 0.0f) {
- value += rmd * ((snoise_2d(p) + offset) * pwr);
- }
-
- return value;
-}
-
-/* 2D Ridged Multifractal Terrain
- *
- * H: fractal dimension of the roughest area
- * lacunarity: gap between successive frequencies
- * octaves: number of frequencies in the fBm
- * offset: raises the terrain from `sea level'
- */
-
-ccl_device_noinline_cpu float noise_musgrave_ridged_multi_fractal_2d(
- float2 co, float H, float lacunarity, float octaves, float offset, float gain)
-{
- float2 p = co;
- float pwHL = powf(lacunarity, -H);
- float pwr = pwHL;
-
- float signal = offset - fabsf(snoise_2d(p));
- signal *= signal;
- float value = signal;
- float weight = 1.0f;
-
- for (int i = 1; i < float_to_int(octaves); i++) {
- p *= lacunarity;
- weight = saturate(signal * gain);
- signal = offset - fabsf(snoise_2d(p));
- signal *= signal;
- signal *= weight;
- value += signal * pwr;
- pwr *= pwHL;
- }
-
- return value;
-}
-
-/* 3D Musgrave fBm
- *
- * H: fractal increment parameter
- * lacunarity: gap between successive frequencies
- * octaves: number of frequencies in the fBm
- *
- * from "Texturing and Modelling: A procedural approach"
- */
-
-ccl_device_noinline_cpu float noise_musgrave_fBm_3d(float3 co,
- float H,
- float lacunarity,
- float octaves)
-{
- float3 p = co;
- float value = 0.0f;
- float pwr = 1.0f;
- float pwHL = powf(lacunarity, -H);
-
- for (int i = 0; i < float_to_int(octaves); i++) {
- value += snoise_3d(p) * pwr;
- pwr *= pwHL;
- p *= lacunarity;
- }
-
- float rmd = octaves - floorf(octaves);
- if (rmd != 0.0f) {
- value += rmd * snoise_3d(p) * pwr;
- }
-
- return value;
-}
-
-/* 3D Musgrave Multifractal
- *
- * H: highest fractal dimension
- * lacunarity: gap between successive frequencies
- * octaves: number of frequencies in the fBm
- */
-
-ccl_device_noinline_cpu float noise_musgrave_multi_fractal_3d(float3 co,
- float H,
- float lacunarity,
- float octaves)
-{
- float3 p = co;
- float value = 1.0f;
- float pwr = 1.0f;
- float pwHL = powf(lacunarity, -H);
-
- for (int i = 0; i < float_to_int(octaves); i++) {
- value *= (pwr * snoise_3d(p) + 1.0f);
- pwr *= pwHL;
- p *= lacunarity;
- }
-
- float rmd = octaves - floorf(octaves);
- if (rmd != 0.0f) {
- value *= (rmd * pwr * snoise_3d(p) + 1.0f); /* correct? */
- }
-
- return value;
-}
-
-/* 3D Musgrave Heterogeneous Terrain
- *
- * H: fractal dimension of the roughest area
- * lacunarity: gap between successive frequencies
- * octaves: number of frequencies in the fBm
- * offset: raises the terrain from `sea level'
- */
-
-ccl_device_noinline_cpu float noise_musgrave_hetero_terrain_3d(
- float3 co, float H, float lacunarity, float octaves, float offset)
-{
- float3 p = co;
- float pwHL = powf(lacunarity, -H);
- float pwr = pwHL;
-
- /* first unscaled octave of function; later octaves are scaled */
- float value = offset + snoise_3d(p);
- p *= lacunarity;
-
- for (int i = 1; i < float_to_int(octaves); i++) {
- float increment = (snoise_3d(p) + offset) * pwr * value;
- value += increment;
- pwr *= pwHL;
- p *= lacunarity;
- }
-
- float rmd = octaves - floorf(octaves);
- if (rmd != 0.0f) {
- float increment = (snoise_3d(p) + offset) * pwr * value;
- value += rmd * increment;
- }
-
- return value;
-}
-
-/* 3D Hybrid Additive/Multiplicative Multifractal Terrain
- *
- * H: fractal dimension of the roughest area
- * lacunarity: gap between successive frequencies
- * octaves: number of frequencies in the fBm
- * offset: raises the terrain from `sea level'
- */
-
-ccl_device_noinline_cpu float noise_musgrave_hybrid_multi_fractal_3d(
- float3 co, float H, float lacunarity, float octaves, float offset, float gain)
-{
- float3 p = co;
- float pwHL = powf(lacunarity, -H);
- float pwr = pwHL;
-
- float value = snoise_3d(p) + offset;
- float weight = gain * value;
- p *= lacunarity;
-
- for (int i = 1; (weight > 0.001f) && (i < float_to_int(octaves)); i++) {
- if (weight > 1.0f) {
- weight = 1.0f;
- }
-
- float signal = (snoise_3d(p) + offset) * pwr;
- pwr *= pwHL;
- value += weight * signal;
- weight *= gain * signal;
- p *= lacunarity;
- }
-
- float rmd = octaves - floorf(octaves);
- if (rmd != 0.0f) {
- value += rmd * ((snoise_3d(p) + offset) * pwr);
- }
-
- return value;
-}
-
-/* 3D Ridged Multifractal Terrain
- *
- * H: fractal dimension of the roughest area
- * lacunarity: gap between successive frequencies
- * octaves: number of frequencies in the fBm
- * offset: raises the terrain from `sea level'
- */
-
-ccl_device_noinline_cpu float noise_musgrave_ridged_multi_fractal_3d(
- float3 co, float H, float lacunarity, float octaves, float offset, float gain)
-{
- float3 p = co;
- float pwHL = powf(lacunarity, -H);
- float pwr = pwHL;
-
- float signal = offset - fabsf(snoise_3d(p));
- signal *= signal;
- float value = signal;
- float weight = 1.0f;
-
- for (int i = 1; i < float_to_int(octaves); i++) {
- p *= lacunarity;
- weight = saturate(signal * gain);
- signal = offset - fabsf(snoise_3d(p));
- signal *= signal;
- signal *= weight;
- value += signal * pwr;
- pwr *= pwHL;
- }
-
- return value;
-}
-
-/* 4D Musgrave fBm
- *
- * H: fractal increment parameter
- * lacunarity: gap between successive frequencies
- * octaves: number of frequencies in the fBm
- *
- * from "Texturing and Modelling: A procedural approach"
- */
-
-ccl_device_noinline_cpu float noise_musgrave_fBm_4d(float4 co,
- float H,
- float lacunarity,
- float octaves)
-{
- float4 p = co;
- float value = 0.0f;
- float pwr = 1.0f;
- float pwHL = powf(lacunarity, -H);
-
- for (int i = 0; i < float_to_int(octaves); i++) {
- value += snoise_4d(p) * pwr;
- pwr *= pwHL;
- p *= lacunarity;
- }
-
- float rmd = octaves - floorf(octaves);
- if (rmd != 0.0f) {
- value += rmd * snoise_4d(p) * pwr;
- }
-
- return value;
-}
-
-/* 4D Musgrave Multifractal
- *
- * H: highest fractal dimension
- * lacunarity: gap between successive frequencies
- * octaves: number of frequencies in the fBm
- */
-
-ccl_device_noinline_cpu float noise_musgrave_multi_fractal_4d(float4 co,
- float H,
- float lacunarity,
- float octaves)
-{
- float4 p = co;
- float value = 1.0f;
- float pwr = 1.0f;
- float pwHL = powf(lacunarity, -H);
-
- for (int i = 0; i < float_to_int(octaves); i++) {
- value *= (pwr * snoise_4d(p) + 1.0f);
- pwr *= pwHL;
- p *= lacunarity;
- }
-
- float rmd = octaves - floorf(octaves);
- if (rmd != 0.0f) {
- value *= (rmd * pwr * snoise_4d(p) + 1.0f); /* correct? */
- }
-
- return value;
-}
-
-/* 4D Musgrave Heterogeneous Terrain
- *
- * H: fractal dimension of the roughest area
- * lacunarity: gap between successive frequencies
- * octaves: number of frequencies in the fBm
- * offset: raises the terrain from `sea level'
- */
-
-ccl_device_noinline_cpu float noise_musgrave_hetero_terrain_4d(
- float4 co, float H, float lacunarity, float octaves, float offset)
-{
- float4 p = co;
- float pwHL = powf(lacunarity, -H);
- float pwr = pwHL;
-
- /* first unscaled octave of function; later octaves are scaled */
- float value = offset + snoise_4d(p);
- p *= lacunarity;
-
- for (int i = 1; i < float_to_int(octaves); i++) {
- float increment = (snoise_4d(p) + offset) * pwr * value;
- value += increment;
- pwr *= pwHL;
- p *= lacunarity;
- }
-
- float rmd = octaves - floorf(octaves);
- if (rmd != 0.0f) {
- float increment = (snoise_4d(p) + offset) * pwr * value;
- value += rmd * increment;
- }
-
- return value;
-}
-
-/* 4D Hybrid Additive/Multiplicative Multifractal Terrain
- *
- * H: fractal dimension of the roughest area
- * lacunarity: gap between successive frequencies
- * octaves: number of frequencies in the fBm
- * offset: raises the terrain from `sea level'
- */
-
-ccl_device_noinline_cpu float noise_musgrave_hybrid_multi_fractal_4d(
- float4 co, float H, float lacunarity, float octaves, float offset, float gain)
-{
- float4 p = co;
- float pwHL = powf(lacunarity, -H);
- float pwr = pwHL;
-
- float value = snoise_4d(p) + offset;
- float weight = gain * value;
- p *= lacunarity;
-
- for (int i = 1; (weight > 0.001f) && (i < float_to_int(octaves)); i++) {
- if (weight > 1.0f) {
- weight = 1.0f;
- }
-
- float signal = (snoise_4d(p) + offset) * pwr;
- pwr *= pwHL;
- value += weight * signal;
- weight *= gain * signal;
- p *= lacunarity;
- }
-
- float rmd = octaves - floorf(octaves);
- if (rmd != 0.0f) {
- value += rmd * ((snoise_4d(p) + offset) * pwr);
- }
-
- return value;
-}
-
-/* 4D Ridged Multifractal Terrain
- *
- * H: fractal dimension of the roughest area
- * lacunarity: gap between successive frequencies
- * octaves: number of frequencies in the fBm
- * offset: raises the terrain from `sea level'
- */
-
-ccl_device_noinline_cpu float noise_musgrave_ridged_multi_fractal_4d(
- float4 co, float H, float lacunarity, float octaves, float offset, float gain)
-{
- float4 p = co;
- float pwHL = powf(lacunarity, -H);
- float pwr = pwHL;
-
- float signal = offset - fabsf(snoise_4d(p));
- signal *= signal;
- float value = signal;
- float weight = 1.0f;
-
- for (int i = 1; i < float_to_int(octaves); i++) {
- p *= lacunarity;
- weight = saturate(signal * gain);
- signal = offset - fabsf(snoise_4d(p));
- signal *= signal;
- signal *= weight;
- value += signal * pwr;
- pwr *= pwHL;
- }
-
- return value;
-}
-
-ccl_device_noinline int svm_node_tex_musgrave(KernelGlobals kg,
- ccl_private ShaderData *sd,
- ccl_private float *stack,
- uint offsets1,
- uint offsets2,
- uint offsets3,
- int offset)
-{
- uint type, dimensions, co_stack_offset, w_stack_offset;
- uint scale_stack_offset, detail_stack_offset, dimension_stack_offset, lacunarity_stack_offset;
- uint offset_stack_offset, gain_stack_offset, fac_stack_offset;
-
- svm_unpack_node_uchar4(offsets1, &type, &dimensions, &co_stack_offset, &w_stack_offset);
- svm_unpack_node_uchar4(offsets2,
- &scale_stack_offset,
- &detail_stack_offset,
- &dimension_stack_offset,
- &lacunarity_stack_offset);
- svm_unpack_node_uchar3(offsets3, &offset_stack_offset, &gain_stack_offset, &fac_stack_offset);
-
- uint4 defaults1 = read_node(kg, &offset);
- uint4 defaults2 = read_node(kg, &offset);
-
- float3 co = stack_load_float3(stack, co_stack_offset);
- float w = stack_load_float_default(stack, w_stack_offset, defaults1.x);
- float scale = stack_load_float_default(stack, scale_stack_offset, defaults1.y);
- float detail = stack_load_float_default(stack, detail_stack_offset, defaults1.z);
- float dimension = stack_load_float_default(stack, dimension_stack_offset, defaults1.w);
- float lacunarity = stack_load_float_default(stack, lacunarity_stack_offset, defaults2.x);
- float foffset = stack_load_float_default(stack, offset_stack_offset, defaults2.y);
- float gain = stack_load_float_default(stack, gain_stack_offset, defaults2.z);
-
- dimension = fmaxf(dimension, 1e-5f);
- detail = clamp(detail, 0.0f, 16.0f);
- lacunarity = fmaxf(lacunarity, 1e-5f);
-
- float fac;
-
- switch (dimensions) {
- case 1: {
- float p = w * scale;
- switch ((NodeMusgraveType)type) {
- case NODE_MUSGRAVE_MULTIFRACTAL:
- fac = noise_musgrave_multi_fractal_1d(p, dimension, lacunarity, detail);
- break;
- case NODE_MUSGRAVE_FBM:
- fac = noise_musgrave_fBm_1d(p, dimension, lacunarity, detail);
- break;
- case NODE_MUSGRAVE_HYBRID_MULTIFRACTAL:
- fac = noise_musgrave_hybrid_multi_fractal_1d(
- p, dimension, lacunarity, detail, foffset, gain);
- break;
- case NODE_MUSGRAVE_RIDGED_MULTIFRACTAL:
- fac = noise_musgrave_ridged_multi_fractal_1d(
- p, dimension, lacunarity, detail, foffset, gain);
- break;
- case NODE_MUSGRAVE_HETERO_TERRAIN:
- fac = noise_musgrave_hetero_terrain_1d(p, dimension, lacunarity, detail, foffset);
- break;
- default:
- fac = 0.0f;
- }
- break;
- }
- case 2: {
- float2 p = make_float2(co.x, co.y) * scale;
- switch ((NodeMusgraveType)type) {
- case NODE_MUSGRAVE_MULTIFRACTAL:
- fac = noise_musgrave_multi_fractal_2d(p, dimension, lacunarity, detail);
- break;
- case NODE_MUSGRAVE_FBM:
- fac = noise_musgrave_fBm_2d(p, dimension, lacunarity, detail);
- break;
- case NODE_MUSGRAVE_HYBRID_MULTIFRACTAL:
- fac = noise_musgrave_hybrid_multi_fractal_2d(
- p, dimension, lacunarity, detail, foffset, gain);
- break;
- case NODE_MUSGRAVE_RIDGED_MULTIFRACTAL:
- fac = noise_musgrave_ridged_multi_fractal_2d(
- p, dimension, lacunarity, detail, foffset, gain);
- break;
- case NODE_MUSGRAVE_HETERO_TERRAIN:
- fac = noise_musgrave_hetero_terrain_2d(p, dimension, lacunarity, detail, foffset);
- break;
- default:
- fac = 0.0f;
- }
- break;
- }
- case 3: {
- float3 p = co * scale;
- switch ((NodeMusgraveType)type) {
- case NODE_MUSGRAVE_MULTIFRACTAL:
- fac = noise_musgrave_multi_fractal_3d(p, dimension, lacunarity, detail);
- break;
- case NODE_MUSGRAVE_FBM:
- fac = noise_musgrave_fBm_3d(p, dimension, lacunarity, detail);
- break;
- case NODE_MUSGRAVE_HYBRID_MULTIFRACTAL:
- fac = noise_musgrave_hybrid_multi_fractal_3d(
- p, dimension, lacunarity, detail, foffset, gain);
- break;
- case NODE_MUSGRAVE_RIDGED_MULTIFRACTAL:
- fac = noise_musgrave_ridged_multi_fractal_3d(
- p, dimension, lacunarity, detail, foffset, gain);
- break;
- case NODE_MUSGRAVE_HETERO_TERRAIN:
- fac = noise_musgrave_hetero_terrain_3d(p, dimension, lacunarity, detail, foffset);
- break;
- default:
- fac = 0.0f;
- }
- break;
- }
- case 4: {
- float4 p = make_float4(co.x, co.y, co.z, w) * scale;
- switch ((NodeMusgraveType)type) {
- case NODE_MUSGRAVE_MULTIFRACTAL:
- fac = noise_musgrave_multi_fractal_4d(p, dimension, lacunarity, detail);
- break;
- case NODE_MUSGRAVE_FBM:
- fac = noise_musgrave_fBm_4d(p, dimension, lacunarity, detail);
- break;
- case NODE_MUSGRAVE_HYBRID_MULTIFRACTAL:
- fac = noise_musgrave_hybrid_multi_fractal_4d(
- p, dimension, lacunarity, detail, foffset, gain);
- break;
- case NODE_MUSGRAVE_RIDGED_MULTIFRACTAL:
- fac = noise_musgrave_ridged_multi_fractal_4d(
- p, dimension, lacunarity, detail, foffset, gain);
- break;
- case NODE_MUSGRAVE_HETERO_TERRAIN:
- fac = noise_musgrave_hetero_terrain_4d(p, dimension, lacunarity, detail, foffset);
- break;
- default:
- fac = 0.0f;
- }
- break;
- }
- default:
- fac = 0.0f;
- }
-
- stack_store_float(stack, fac_stack_offset, fac);
- return offset;
-}
-
-CCL_NAMESPACE_END
generated by cgit v1.2.3 (git 2.25.1) at 2024-06-19 06:20:43 +0300