diff options
Diffstat (limited to 'intern/cycles/kernel/shaders/node_musgrave_texture.osl')
| -rw-r--r-- | intern/cycles/kernel/shaders/node_musgrave_texture.osl | 51 |
1 files changed, 25 insertions, 26 deletions
diff --git a/intern/cycles/kernel/shaders/node_musgrave_texture.osl b/intern/cycles/kernel/shaders/node_musgrave_texture.osl index 60762539002..4f95dec910a 100644 --- a/intern/cycles/kernel/shaders/node_musgrave_texture.osl +++ b/intern/cycles/kernel/shaders/node_musgrave_texture.osl @@ -11,7 +11,7 @@ * 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 + * limitations under the License. */ #include "stdosl.h" @@ -26,7 +26,7 @@ * from "Texturing and Modelling: A procedural approach" */ -float noise_musgrave_fBm(point p, string basis, float H, float lacunarity, float octaves) +float noise_musgrave_fBm(point p, float H, float lacunarity, float octaves) { float rmd; float value = 0.0; @@ -35,14 +35,14 @@ float noise_musgrave_fBm(point p, string basis, float H, float lacunarity, float int i; for (i = 0; i < (int)octaves; i++) { - value += safe_noise(p, 0) * pwr; + value += safe_noise(p, "signed") * pwr; pwr *= pwHL; p *= lacunarity; } rmd = octaves - floor(octaves); if (rmd != 0.0) - value += rmd * safe_noise(p, 0) * pwr; + value += rmd * safe_noise(p, "signed") * pwr; return value; } @@ -54,7 +54,7 @@ float noise_musgrave_fBm(point p, string basis, float H, float lacunarity, float * octaves: number of frequencies in the fBm */ -float noise_musgrave_multi_fractal(point p, string basis, float H, float lacunarity, float octaves) +float noise_musgrave_multi_fractal(point p, float H, float lacunarity, float octaves) { float rmd; float value = 1.0; @@ -63,14 +63,14 @@ float noise_musgrave_multi_fractal(point p, string basis, float H, float lacunar int i; for (i = 0; i < (int)octaves; i++) { - value *= (pwr * safe_noise(p, 0) + 1.0); + value *= (pwr * safe_noise(p, "signed") + 1.0); pwr *= pwHL; p *= lacunarity; } rmd = octaves - floor(octaves); if (rmd != 0.0) - value *= (rmd * pwr * safe_noise(p, 0) + 1.0); /* correct? */ + value *= (rmd * pwr * safe_noise(p, "signed") + 1.0); /* correct? */ return value; } @@ -83,7 +83,7 @@ float noise_musgrave_multi_fractal(point p, string basis, float H, float lacunar * offset: raises the terrain from `sea level' */ -float noise_musgrave_hetero_terrain(point p, string basis, float H, float lacunarity, float octaves, float offset) +float noise_musgrave_hetero_terrain(point p, float H, float lacunarity, float octaves, float offset) { float value, increment, rmd; float pwHL = pow(lacunarity, -H); @@ -91,11 +91,11 @@ float noise_musgrave_hetero_terrain(point p, string basis, float H, float lacuna int i; /* first unscaled octave of function; later octaves are scaled */ - value = offset + safe_noise(p, 0); + value = offset + safe_noise(p, "signed"); p *= lacunarity; for (i = 1; i < (int)octaves; i++) { - increment = (safe_noise(p, 0) + offset) * pwr * value; + increment = (safe_noise(p, "signed") + offset) * pwr * value; value += increment; pwr *= pwHL; p *= lacunarity; @@ -103,7 +103,7 @@ float noise_musgrave_hetero_terrain(point p, string basis, float H, float lacuna rmd = octaves - floor(octaves); if (rmd != 0.0) { - increment = (safe_noise(p, 0) + offset) * pwr * value; + increment = (safe_noise(p, "signed") + offset) * pwr * value; value += rmd * increment; } @@ -118,15 +118,15 @@ float noise_musgrave_hetero_terrain(point p, string basis, float H, float lacuna * offset: raises the terrain from `sea level' */ -float noise_musgrave_hybrid_multi_fractal(point p, string basis, float H, - float lacunarity, float octaves, float offset, float gain) +float noise_musgrave_hybrid_multi_fractal(point p, float H, float lacunarity, + float octaves, float offset, float gain) { float result, signal, weight, rmd; float pwHL = pow(lacunarity, -H); float pwr = pwHL; int i; - result = safe_noise(p, 0) + offset; + result = safe_noise(p, "signed") + offset; weight = gain * result; p *= lacunarity; @@ -134,7 +134,7 @@ float noise_musgrave_hybrid_multi_fractal(point p, string basis, float H, if (weight > 1.0) weight = 1.0; - signal = (safe_noise(p, 0) + offset) * pwr; + signal = (safe_noise(p, "signed") + offset) * pwr; pwr *= pwHL; result += weight * signal; weight *= gain * signal; @@ -143,7 +143,7 @@ float noise_musgrave_hybrid_multi_fractal(point p, string basis, float H, rmd = octaves - floor(octaves); if (rmd != 0.0) - result += rmd * ((safe_noise(p, 0) + offset) * pwr); + result += rmd * ((safe_noise(p, "signed") + offset) * pwr); return result; } @@ -156,15 +156,15 @@ float noise_musgrave_hybrid_multi_fractal(point p, string basis, float H, * offset: raises the terrain from `sea level' */ -float noise_musgrave_ridged_multi_fractal(point p, string basis, float H, - float lacunarity, float octaves, float offset, float gain) +float noise_musgrave_ridged_multi_fractal(point p, float H, float lacunarity, + float octaves, float offset, float gain) { float result, signal, weight; float pwHL = pow(lacunarity, -H); float pwr = pwHL; int i; - signal = offset - fabs(safe_noise(p, 0)); + signal = offset - fabs(safe_noise(p, "signed")); signal *= signal; result = signal; weight = 1.0; @@ -172,7 +172,7 @@ float noise_musgrave_ridged_multi_fractal(point p, string basis, float H, for (i = 1; i < (int)octaves; i++) { p *= lacunarity; weight = clamp(signal * gain, 0.0, 1.0); - signal = offset - fabs(safe_noise(p, 0)); + signal = offset - fabs(safe_noise(p, "signed")); signal *= signal; signal *= weight; result += signal * pwr; @@ -201,7 +201,6 @@ shader node_musgrave_texture( float dimension = max(Dimension, 1e-5); float octaves = clamp(Detail, 0.0, 16.0); float lacunarity = max(Lacunarity, 1e-5); - string Basis = "Perlin"; float intensity = 1.0; point p = Vector; @@ -212,15 +211,15 @@ shader node_musgrave_texture( p = p * Scale; if (Type == "Multifractal") - Fac = intensity * noise_musgrave_multi_fractal(p, Basis, dimension, lacunarity, octaves); + Fac = intensity * noise_musgrave_multi_fractal(p, dimension, lacunarity, octaves); else if (Type == "fBM") - Fac = intensity * noise_musgrave_fBm(p, Basis, dimension, lacunarity, octaves); + Fac = intensity * noise_musgrave_fBm(p, dimension, lacunarity, octaves); else if (Type == "Hybrid Multifractal") - Fac = intensity * noise_musgrave_hybrid_multi_fractal(p, Basis, dimension, lacunarity, octaves, Offset, Gain); + Fac = intensity * noise_musgrave_hybrid_multi_fractal(p, dimension, lacunarity, octaves, Offset, Gain); else if (Type == "Ridged Multifractal") - Fac = intensity * noise_musgrave_ridged_multi_fractal(p, Basis, dimension, lacunarity, octaves, Offset, Gain); + Fac = intensity * noise_musgrave_ridged_multi_fractal(p, dimension, lacunarity, octaves, Offset, Gain); else if (Type == "Hetero Terrain") - Fac = intensity * noise_musgrave_hetero_terrain(p, Basis, dimension, lacunarity, octaves, Offset); + Fac = intensity * noise_musgrave_hetero_terrain(p, dimension, lacunarity, octaves, Offset); Color = color(Fac, Fac, Fac); } |