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#pragma once
#include <sstream>
#include "FN_multi_function.h"
namespace FN {
template<typename FromT, typename ToT> class MF_Convert : public MultiFunction {
public:
MF_Convert()
{
MFSignatureBuilder signature = this->get_builder(CPP_TYPE<FromT>().name() + " to " +
CPP_TYPE<ToT>().name());
signature.single_input<FromT>("Input");
signature.single_output<ToT>("Output");
}
void call(IndexMask mask, MFParams params, MFContext UNUSED(context)) const override
{
VirtualListRef<FromT> inputs = params.readonly_single_input<FromT>(0, "Input");
MutableArrayRef<ToT> outputs = params.uninitialized_single_output<ToT>(1, "Output");
for (uint i : mask.indices()) {
const FromT &from_value = inputs[i];
new (outputs.begin() + i) ToT(from_value);
}
}
};
template<typename InT, typename OutT> class MF_Custom_In1_Out1 final : public MultiFunction {
private:
using FunctionT =
std::function<void(IndexMask mask, VirtualListRef<InT>, MutableArrayRef<OutT>)>;
FunctionT m_fn;
public:
MF_Custom_In1_Out1(StringRef name, FunctionT fn) : m_fn(std::move(fn))
{
MFSignatureBuilder signature = this->get_builder(name);
signature.single_input<InT>("Input");
signature.single_output<OutT>("Output");
}
template<typename ElementFuncT>
MF_Custom_In1_Out1(StringRef name, ElementFuncT element_fn)
: MF_Custom_In1_Out1(name, MF_Custom_In1_Out1::create_function(element_fn))
{
}
template<typename ElementFuncT> static FunctionT create_function(ElementFuncT element_fn)
{
return [=](IndexMask mask, VirtualListRef<InT> inputs, MutableArrayRef<OutT> outputs) {
if (inputs.is_non_single_full_array()) {
ArrayRef<InT> in_array = inputs.as_full_array();
mask.foreach_index([=](uint i) { outputs[i] = element_fn(in_array[i]); });
}
else if (inputs.is_single_element()) {
InT in_single = inputs.as_single_element();
outputs.fill_indices(mask.indices(), element_fn(in_single));
}
else {
mask.foreach_index([=](uint i) { outputs[i] = element_fn(inputs[i]); });
}
};
}
void call(IndexMask mask, MFParams params, MFContext UNUSED(context)) const override
{
VirtualListRef<InT> inputs = params.readonly_single_input<InT>(0);
MutableArrayRef<OutT> outputs = params.uninitialized_single_output<OutT>(1);
m_fn(mask, inputs, outputs);
}
};
template<typename InT1, typename InT2, typename OutT>
class MF_Custom_In2_Out1 final : public MultiFunction {
private:
using FunctionT = std::function<void(
IndexMask mask, VirtualListRef<InT1>, VirtualListRef<InT2>, MutableArrayRef<OutT>)>;
FunctionT m_fn;
public:
MF_Custom_In2_Out1(StringRef name, FunctionT fn) : m_fn(std::move(fn))
{
MFSignatureBuilder signature = this->get_builder(name);
signature.single_input<InT1>("Input 1");
signature.single_input<InT2>("Input 2");
signature.single_output<OutT>("Output");
}
template<typename ElementFuncT>
MF_Custom_In2_Out1(StringRef name, ElementFuncT element_fn)
: MF_Custom_In2_Out1(name, MF_Custom_In2_Out1::create_function(element_fn))
{
}
template<typename ElementFuncT> static FunctionT create_function(ElementFuncT element_fn)
{
return [=](IndexMask mask,
VirtualListRef<InT1> inputs1,
VirtualListRef<InT2> inputs2,
MutableArrayRef<OutT> outputs) -> void {
if (inputs1.is_non_single_full_array() && inputs2.is_non_single_full_array()) {
ArrayRef<InT1> in1_array = inputs1.as_full_array();
ArrayRef<InT2> in2_array = inputs2.as_full_array();
mask.foreach_index(
[=](uint i) { new (&outputs[i]) OutT(element_fn(in1_array[i], in2_array[i])); });
}
else if (inputs1.is_non_single_full_array() && inputs2.is_single_element()) {
ArrayRef<InT1> in1_array = inputs1.as_full_array();
InT2 in2_single = inputs2.as_single_element();
mask.foreach_index(
[=](uint i) { new (&outputs[i]) OutT(element_fn(in1_array[i], in2_single)); });
}
else if (inputs1.is_single_element() && inputs2.is_non_single_full_array()) {
InT1 in1_single = inputs1.as_single_element();
ArrayRef<InT2> in2_array = inputs2.as_full_array();
mask.foreach_index(
[=](uint i) { new (&outputs[i]) OutT(element_fn(in1_single, in2_array[i])); });
}
else if (inputs1.is_single_element() && inputs2.is_single_element()) {
InT1 in1_single = inputs1.as_single_element();
InT2 in2_single = inputs2.as_single_element();
OutT out_single = element_fn(in1_single, in2_single);
outputs.fill_indices(mask.indices(), out_single);
}
else {
mask.foreach_index(
[=](uint i) { new (&outputs[i]) OutT(element_fn(inputs1[i], inputs2[i])); });
}
};
}
void call(IndexMask mask, MFParams params, MFContext UNUSED(context)) const override
{
VirtualListRef<InT1> inputs1 = params.readonly_single_input<InT1>(0);
VirtualListRef<InT2> inputs2 = params.readonly_single_input<InT2>(1);
MutableArrayRef<OutT> outputs = params.uninitialized_single_output<OutT>(2);
m_fn(mask, inputs1, inputs2, outputs);
}
};
template<typename T> class MF_VariadicMath final : public MultiFunction {
private:
using FunctionT = std::function<void(
IndexMask mask, VirtualListRef<T>, VirtualListRef<T>, MutableArrayRef<T>)>;
uint m_input_amount;
FunctionT m_fn;
public:
MF_VariadicMath(StringRef name, uint input_amount, FunctionT fn)
: m_input_amount(input_amount), m_fn(fn)
{
BLI_STATIC_ASSERT(std::is_trivial<T>::value, "");
BLI_assert(input_amount >= 1);
MFSignatureBuilder signature = this->get_builder(name);
for (uint i = 0; i < m_input_amount; i++) {
signature.single_input<T>("Input");
}
signature.single_output<T>("Output");
}
template<typename ElementFuncT>
MF_VariadicMath(StringRef name, uint input_amount, ElementFuncT element_func)
: MF_VariadicMath(
name, input_amount, MF_Custom_In2_Out1<T, T, T>::create_function(element_func))
{
}
void call(IndexMask mask, MFParams params, MFContext UNUSED(context)) const override
{
MutableArrayRef<T> outputs = params.uninitialized_single_output<T>(m_input_amount, "Output");
if (m_input_amount == 1) {
VirtualListRef<T> inputs = params.readonly_single_input<T>(0, "Input");
for (uint i : mask.indices()) {
outputs[i] = inputs[i];
}
}
else {
BLI_assert(m_input_amount >= 2);
VirtualListRef<T> inputs0 = params.readonly_single_input<T>(0, "Input");
VirtualListRef<T> inputs1 = params.readonly_single_input<T>(1, "Input");
m_fn(mask, inputs0, inputs1, outputs);
for (uint param_index = 2; param_index < m_input_amount; param_index++) {
VirtualListRef<T> inputs = params.readonly_single_input<T>(param_index, "Input");
m_fn(mask, VirtualListRef<T>::FromFullArray(outputs), inputs, outputs);
}
}
}
};
} // namespace FN
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