Differential D5481 Diff 17225 intern/cycles/kernel/svm/svm_math_util.h

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intern/cycles/kernel/svm/svm_math_util.h

Show First 20 Lines • Show All 45 Lines • ▼ Show 20 Lines	else if (type == NODE_VECTOR_MATH_NORMALIZE) {
*Vector = safe_normalize_len(Vector1, Fac);		*Vector = safe_normalize_len(Vector1, Fac);
}		}
else {		else {
*Fac = 0.0f;		*Fac = 0.0f;
*Vector = make_float3(0.0f, 0.0f, 0.0f);		*Vector = make_float3(0.0f, 0.0f, 0.0f);
}		}
}		}

ccl_device float svm_math(NodeMath type, float Fac1, float Fac2)		ccl_device float svm_math(NodeMathType type, float a, float b)
{		{
float Fac;		switch (type) {
		case NODE_MATH_ADD:
if (type == NODE_MATH_ADD)		return a + b;
Fac = Fac1 + Fac2;		case NODE_MATH_SUBTRACT:
else if (type == NODE_MATH_SUBTRACT)		return a - b;
Fac = Fac1 - Fac2;		case NODE_MATH_MULTIPLY:
else if (type == NODE_MATH_MULTIPLY)		return a * b;
Fac = Fac1 * Fac2;		case NODE_MATH_DIVIDE:
else if (type == NODE_MATH_DIVIDE)		return safe_divide(a, b);
Fac = safe_divide(Fac1, Fac2);		case NODE_MATH_POWER:
else if (type == NODE_MATH_SINE)		return safe_powf(a, b);
Fac = sinf(Fac1);		case NODE_MATH_LOGARITHM:
else if (type == NODE_MATH_COSINE)		return safe_logf(a, b);
Fac = cosf(Fac1);		case NODE_MATH_SQRT:
else if (type == NODE_MATH_TANGENT)		return safe_sqrtf(a);
Fac = tanf(Fac1);		case NODE_MATH_ABSOLUTE:
else if (type == NODE_MATH_ARCSINE)		return fabsf(a);
Fac = safe_asinf(Fac1);		case NODE_MATH_MINIMUM:
else if (type == NODE_MATH_ARCCOSINE)		return fminf(a, b);
Fac = safe_acosf(Fac1);		case NODE_MATH_MAXIMUM:
else if (type == NODE_MATH_ARCTANGENT)		return fmaxf(a, b);
Fac = atanf(Fac1);		case NODE_MATH_LESS_THAN:
else if (type == NODE_MATH_POWER)		return a < b;
Fac = safe_powf(Fac1, Fac2);		case NODE_MATH_GREATER_THAN:
else if (type == NODE_MATH_LOGARITHM)		return a > b;
Fac = safe_logf(Fac1, Fac2);		case NODE_MATH_ROUND:
else if (type == NODE_MATH_MINIMUM)		return floorf(a + 0.5f);
Fac = fminf(Fac1, Fac2);		case NODE_MATH_FLOOR:
else if (type == NODE_MATH_MAXIMUM)		return floorf(a);
Fac = fmaxf(Fac1, Fac2);		case NODE_MATH_CEIL:
else if (type == NODE_MATH_ROUND)		return ceilf(a);
Fac = floorf(Fac1 + 0.5f);		case NODE_MATH_FRACTION:
else if (type == NODE_MATH_LESS_THAN)		return a - floorf(a);
Fac = Fac1 < Fac2;		case NODE_MATH_MODULO:
else if (type == NODE_MATH_GREATER_THAN)		return safe_modulo(a, b);
Fac = Fac1 > Fac2;		case NODE_MATH_SINE:
else if (type == NODE_MATH_MODULO)		return sinf(a);
Fac = safe_modulo(Fac1, Fac2);		case NODE_MATH_COSINE:
else if (type == NODE_MATH_ABSOLUTE)		return cosf(a);
Fac = fabsf(Fac1);		case NODE_MATH_TANGENT:
else if (type == NODE_MATH_ARCTAN2)		return tanf(a);
Fac = atan2f(Fac1, Fac2);		case NODE_MATH_ARCSINE:
else if (type == NODE_MATH_FLOOR)		return safe_asinf(a);
Fac = floorf(Fac1);		case NODE_MATH_ARCCOSINE:
else if (type == NODE_MATH_CEIL)		return safe_acosf(a);
Fac = ceilf(Fac1);		case NODE_MATH_ARCTANGENT:
else if (type == NODE_MATH_FRACT)		return atanf(a);
Fac = Fac1 - floorf(Fac1);		case NODE_MATH_ARCTAN2:
else if (type == NODE_MATH_SQRT)		return atan2f(a, b);
Fac = safe_sqrtf(Fac1);		default:
else if (type == NODE_MATH_CLAMP)		return 0.0f;
Fac = saturate(Fac1);		}
else
Fac = 0.0f;

return Fac;
}		}

/* Calculate color in range 800..12000 using an approximation		/* Calculate color in range 800..12000 using an approximation
* a/x+bx+c for R and G and ((at + b)t + c)t + d) for B		* a/x+bx+c for R and G and ((at + b)t + c)t + d) for B
* Max absolute error for RGB is (0.00095, 0.00077, 0.00057),		* Max absolute error for RGB is (0.00095, 0.00077, 0.00057),
* which is enough to get the same 8 bit/channel color.		* which is enough to get the same 8 bit/channel color.
*/		*/

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