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Differential D15785 Diff 54983 source/blender/gpu/shaders/material/gpu_shader_material_tex_musgrave.glsl

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source/blender/gpu/shaders/material/gpu_shader_material_tex_musgrave.glsl

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float lacunarity = max(lac, 1e-5); float lacunarity = max(lac, 1e-5);
float pwHL = pow(lacunarity, -H); float pwHL = pow(lacunarity, -H);
float pwr = pwHL;
float value = snoise(p) + offset; float pwr = 1.0;
float weight = gain * value; float value = 0.0;
p *= lacunarity; float weight = 1.0;
for (int i = 1; (weight > 0.001f) && (i < int(octaves)); i++) { for (int i = 0; (weight > 0.001f) && (i < int(octaves)); i++) {
if (weight > 1.0) { if (weight > 1.0) {
weight = 1.0; weight = 1.0;
} }
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} }
float rmd = octaves - floor(octaves); float rmd = octaves - floor(octaves);
if (rmd != 0.0) { if ((rmd != 0.0) && (weight > 0.001f)) {
value += rmd * ((snoise(p) + offset) * pwr); if (weight > 1.0) {
weight = 1.0;
}
float signal = (snoise(p) + offset) * pwr;
value += rmd * weight * signal;
} }
fac = value; fac = value;
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float lacunarity = max(lac, 1e-5); float lacunarity = max(lac, 1e-5);
float pwHL = pow(lacunarity, -H); float pwHL = pow(lacunarity, -H);
float pwr = pwHL;
float value = snoise(p) + offset; float pwr = 1.0;
float weight = gain * value; float value = 0.0;
p *= lacunarity; float weight = 1.0;
for (int i = 1; (weight > 0.001f) && (i < int(octaves)); i++) { for (int i = 0; (weight > 0.001f) && (i < int(octaves)); i++) {
if (weight > 1.0) { if (weight > 1.0) {
weight = 1.0; weight = 1.0;
} }
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} }
float rmd = octaves - floor(octaves); float rmd = octaves - floor(octaves);
if (rmd != 0.0) { if ((rmd != 0.0) && (weight > 0.001f)) {
value += rmd * ((snoise(p) + offset) * pwr); if (weight > 1.0) {
weight = 1.0;
}
float signal = (snoise(p) + offset) * pwr;
value += rmd * weight * signal;
} }
fac = value; fac = value;
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float lacunarity = max(lac, 1e-5); float lacunarity = max(lac, 1e-5);
float pwHL = pow(lacunarity, -H); float pwHL = pow(lacunarity, -H);
float pwr = pwHL;
float value = snoise(p) + offset; float pwr = 1.0;
float weight = gain * value; float value = 0.0;
p *= lacunarity; float weight = 1.0;
for (int i = 1; (weight > 0.001f) && (i < int(octaves)); i++) { for (int i = 0; (weight > 0.001f) && (i < int(octaves)); i++) {
if (weight > 1.0) { if (weight > 1.0) {
weight = 1.0; weight = 1.0;
} }
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} }
float rmd = octaves - floor(octaves); float rmd = octaves - floor(octaves);
if (rmd != 0.0) { if ((rmd != 0.0) && (weight > 0.001f)) {
value += rmd * ((snoise(p) + offset) * pwr); if (weight > 1.0) {
weight = 1.0;
}
float signal = (snoise(p) + offset) * pwr;
value += rmd * weight * signal;
} }
fac = value; fac = value;
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float lacunarity = max(lac, 1e-5); float lacunarity = max(lac, 1e-5);
float pwHL = pow(lacunarity, -H); float pwHL = pow(lacunarity, -H);
float pwr = pwHL;
float value = snoise(p) + offset; float pwr = 1.0;
float weight = gain * value; float value = 0.0;
p *= lacunarity; float weight = 1.0;
for (int i = 1; (weight > 0.001f) && (i < int(octaves)); i++) { for (int i = 0; (weight > 0.001f) && (i < int(octaves)); i++) {
if (weight > 1.0) { if (weight > 1.0) {
weight = 1.0; weight = 1.0;
} }
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} }
float rmd = octaves - floor(octaves); float rmd = octaves - floor(octaves);
if (rmd != 0.0) { if ((rmd != 0.0) && (weight > 0.001f)) {
value += rmd * ((snoise(p) + offset) * pwr); if (weight > 1.0) {
weight = 1.0;
}
float signal = (snoise(p) + offset) * pwr;
value += rmd * weight * signal;
} }
fac = value; fac = value;
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