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Fix Cycles OSL hair BSDF inconsistencies with SVM.

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This commit is contained in:
Brecht Van Lommel
2016-07-29 02:22:01 +02:00
parent 52fb441c13
commit e0c7aaf5ad
2 changed files with 25 additions and 22 deletions
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45
intern/cycles/kernel/shaders/node_hair_bsdf.osl
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@@ -24,34 +24,35 @@ shader node_hair_bsdf(
float Offset = 0.0,
float RoughnessU = 0.1,
float RoughnessV = 1.0,
normal Normal = Ng,
normal Tangent = normal(0, 0, 0),
output closure color BSDF = 0)
{
float IsStrand;
float roughnessh = clamp(RoughnessU, 0.001, 1.0);
float roughnessv = clamp(RoughnessV, 0.001, 1.0);
getattribute("geom:is_curve", IsStrand);
float offset = -Offset;
if (!IsStrand) {
if (backfacing()) {
BSDF = transparent();
}
else {
if (component == "reflection")
BSDF = Color * hair_reflection(Normal, roughnessh, roughnessv, normalize(dPdv), 0.0);
else
BSDF = Color * hair_transmission(Normal, roughnessh, roughnessv, normalize(dPdv), 0.0);
}
normal T;
float IsCurve = 0;
getattribute("geom:is_curve", IsCurve);
if (isconnected(Tangent)) {
T = Tangent;
}
else if(!IsCurve) {
T = normalize(dPdv);
offset = 0.0;
}
else {
if (backfacing()) {
BSDF = transparent();
}
else {
if (component == "reflection")
BSDF = Color * hair_reflection(Normal, roughnessh, roughnessv, dPdu, -Offset);
else
BSDF = Color * hair_transmission(Normal, roughnessh, roughnessv, dPdu, -Offset);
}
T = normalize(dPdu);
}
if (backfacing() && IsCurve) {
BSDF = transparent();
}
else {
if (component == "reflection")
BSDF = Color * hair_reflection(Ng, roughnessh, roughnessv, T, offset);
else
BSDF = Color * hair_transmission(Ng, roughnessh, roughnessv, T, offset);
}
}

2
tests/python/cycles_render_tests.py
View File

@@ -17,6 +17,8 @@ def render_file(filepath):
"--factory-startup",
filepath,
"-E", "CYCLES",
# Run with OSL enabled
# "--python-expr", "import bpy; bpy.context.scene.cycles.shading_system = True",
"-o", TEMP_FILE_MASK,
"-F", "PNG",
"-f", "1",