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Cycles: Add finite checks for float4 and transforms 

Currently unused, preparing for an upcoming development.
This commit is contained in:
Sergey Sharybin 2020-08-03 11:04:10 +02:00
parent 9306037ed3
commit 7f6530e5bd
2 changed files with 29 additions and 0 deletions
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18
intern/cycles/util/util_math_float4.h
View File

@ -477,6 +477,24 @@ ccl_device_inline float4 safe_divide_float4_float(const float4 a, const float b)
return (b != 0.0f) ? a / b : make_float4(0.0f, 0.0f, 0.0f, 0.0f);
}
ccl_device_inline bool isfinite4_safe(float4 v)
{
return isfinite_safe(v.x) && isfinite_safe(v.y) && isfinite_safe(v.z) && isfinite_safe(v.w);
}
ccl_device_inline float4 ensure_finite4(float4 v)
{
if (!isfinite_safe(v.x))
v.x = 0.0f;
if (!isfinite_safe(v.y))
v.y = 0.0f;
if (!isfinite_safe(v.z))
v.z = 0.0f;
if (!isfinite_safe(v.w))
v.w = 0.0f;
return v;
}
CCL_NAMESPACE_END
#endif /* __UTIL_MATH_FLOAT4_H__ */

11
intern/cycles/util/util_transform.h
View File

@ -466,6 +466,17 @@ ccl_device void transform_motion_array_interpolate(Transform *tfm,
transform_compose(tfm, &decomp);
}
ccl_device_inline bool transform_isfinite_safe(Transform *tfm)
{
return isfinite4_safe(tfm->x) && isfinite4_safe(tfm->y) && isfinite4_safe(tfm->z);
}
ccl_device_inline bool transform_decomposed_isfinite_safe(DecomposedTransform *decomp)
{
return isfinite4_safe(decomp->x) && isfinite4_safe(decomp->y) && isfinite4_safe(decomp->z) &&
isfinite4_safe(decomp->w);
}
#ifndef __KERNEL_GPU__
class BoundBox2D;