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/* SPDX-License-Identifier: Apache-2.0
* Copyright 2011-2022 Blender Foundation */
#pragma once
CCL_NAMESPACE_BEGIN
ccl_device_noinline void svm_node_math(KernelGlobals kg,
ccl_private ShaderData *sd,
ccl_private float *stack,
uint type,
uint inputs_stack_offsets,
uint result_stack_offset)
{
uint a_stack_offset, b_stack_offset, c_stack_offset;
svm_unpack_node_uchar3(inputs_stack_offsets, &a_stack_offset, &b_stack_offset, &c_stack_offset);
float a = stack_load_float(stack, a_stack_offset);
float b = stack_load_float(stack, b_stack_offset);
float c = stack_load_float(stack, c_stack_offset);
float result = svm_math((NodeMathType)type, a, b, c);
stack_store_float(stack, result_stack_offset, result);
}
ccl_device_noinline int svm_node_vector_math(KernelGlobals kg,
ccl_private ShaderData *sd,
ccl_private float *stack,
uint type,
uint inputs_stack_offsets,
uint outputs_stack_offsets,
int offset)
{
uint value_stack_offset, vector_stack_offset;
uint a_stack_offset, b_stack_offset, param1_stack_offset;
svm_unpack_node_uchar3(
inputs_stack_offsets, &a_stack_offset, &b_stack_offset, ¶m1_stack_offset);
svm_unpack_node_uchar2(outputs_stack_offsets, &value_stack_offset, &vector_stack_offset);
float3 a = stack_load_float3(stack, a_stack_offset);
float3 b = stack_load_float3(stack, b_stack_offset);
float3 c = make_float3(0.0f, 0.0f, 0.0f);
float param1 = stack_load_float(stack, param1_stack_offset);
float value;
float3 vector;
/* 3 Vector Operators */
if (type == NODE_VECTOR_MATH_WRAP || type == NODE_VECTOR_MATH_FACEFORWARD ||
type == NODE_VECTOR_MATH_MULTIPLY_ADD) {
uint4 extra_node = read_node(kg, &offset);
c = stack_load_float3(stack, extra_node.x);
}
svm_vector_math(&value, &vector, (NodeVectorMathType)type, a, b, c, param1);
if (stack_valid(value_stack_offset))
stack_store_float(stack, value_stack_offset, value);
if (stack_valid(vector_stack_offset))
stack_store_float3(stack, vector_stack_offset, vector);
return offset;
}
CCL_NAMESPACE_END
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