diff options
Diffstat (limited to 'intern/cycles/kernel/svm/svm_math_util.h')
| -rw-r--r-- | intern/cycles/kernel/svm/svm_math_util.h | 70 |
1 files changed, 70 insertions, 0 deletions
diff --git a/intern/cycles/kernel/svm/svm_math_util.h b/intern/cycles/kernel/svm/svm_math_util.h new file mode 100644 index 00000000000..b813bf531dc --- /dev/null +++ b/intern/cycles/kernel/svm/svm_math_util.h @@ -0,0 +1,70 @@ +/* + * Copyright 2011-2014 Blender Foundation + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * 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 + */ + +CCL_NAMESPACE_BEGIN + +ccl_device float svm_math(NodeMath type, float Fac1, float Fac2) +{ + float Fac; + + if(type == NODE_MATH_ADD) + Fac = Fac1 + Fac2; + else if(type == NODE_MATH_SUBTRACT) + Fac = Fac1 - Fac2; + else if(type == NODE_MATH_MULTIPLY) + Fac = Fac1*Fac2; + else if(type == NODE_MATH_DIVIDE) + Fac = safe_divide(Fac1, Fac2); + else if(type == NODE_MATH_SINE) + Fac = sinf(Fac1); + else if(type == NODE_MATH_COSINE) + Fac = cosf(Fac1); + else if(type == NODE_MATH_TANGENT) + Fac = tanf(Fac1); + else if(type == NODE_MATH_ARCSINE) + Fac = safe_asinf(Fac1); + else if(type == NODE_MATH_ARCCOSINE) + Fac = safe_acosf(Fac1); + else if(type == NODE_MATH_ARCTANGENT) + Fac = atanf(Fac1); + else if(type == NODE_MATH_POWER) + Fac = safe_powf(Fac1, Fac2); + else if(type == NODE_MATH_LOGARITHM) + Fac = safe_logf(Fac1, Fac2); + else if(type == NODE_MATH_MINIMUM) + Fac = fminf(Fac1, Fac2); + else if(type == NODE_MATH_MAXIMUM) + Fac = fmaxf(Fac1, Fac2); + else if(type == NODE_MATH_ROUND) + Fac = floorf(Fac1 + 0.5f); + else if(type == NODE_MATH_LESS_THAN) + Fac = Fac1 < Fac2; + else if(type == NODE_MATH_GREATER_THAN) + Fac = Fac1 > Fac2; + else if(type == NODE_MATH_MODULO) + Fac = safe_modulo(Fac1, Fac2); + else if(type == NODE_MATH_ABSOLUTE) + Fac = fabsf(Fac1); + else if(type == NODE_MATH_CLAMP) + Fac = clamp(Fac1, 0.0f, 1.0f); + else + Fac = 0.0f; + + return Fac; +} + +CCL_NAMESPACE_END + |