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blender-archive/source/blender/functions/intern/multi_function_builder.cc
2021-06-27 16:49:38 +02:00

127 lines
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C++

/*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software Foundation,
* Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*/
#include "FN_multi_function_builder.hh"
#include "BLI_hash.hh"
namespace blender::fn {
CustomMF_GenericConstant::CustomMF_GenericConstant(const CPPType &type, const void *value)
: type_(type), value_(value)
{
MFSignatureBuilder signature{"Constant " + type.name()};
std::stringstream ss;
type.print_or_default(value, ss, type.name());
signature.single_output(ss.str(), type);
signature_ = signature.build();
this->set_signature(&signature_);
}
void CustomMF_GenericConstant::call(IndexMask mask,
MFParams params,
MFContext UNUSED(context)) const
{
GMutableSpan output = params.uninitialized_single_output(0);
type_.fill_construct_indices(value_, output.data(), mask);
}
uint64_t CustomMF_GenericConstant::hash() const
{
return type_.hash_or_fallback(value_, (uintptr_t)this);
}
bool CustomMF_GenericConstant::equals(const MultiFunction &other) const
{
const CustomMF_GenericConstant *_other = dynamic_cast<const CustomMF_GenericConstant *>(&other);
if (_other == nullptr) {
return false;
}
if (type_ != _other->type_) {
return false;
}
return type_.is_equal(value_, _other->value_);
}
static std::string gspan_to_string(GSpan array)
{
const CPPType &type = array.type();
std::stringstream ss;
ss << "[";
const int64_t max_amount = 5;
for (int64_t i : IndexRange(std::min(max_amount, array.size()))) {
type.print_or_default(array[i], ss, type.name());
ss << ", ";
}
if (max_amount < array.size()) {
ss << "...";
}
ss << "]";
return ss.str();
}
CustomMF_GenericConstantArray::CustomMF_GenericConstantArray(GSpan array) : array_(array)
{
const CPPType &type = array.type();
MFSignatureBuilder signature{"Constant " + type.name() + " Vector"};
signature.vector_output(gspan_to_string(array), type);
signature_ = signature.build();
this->set_signature(&signature_);
}
void CustomMF_GenericConstantArray::call(IndexMask mask,
MFParams params,
MFContext UNUSED(context)) const
{
GVectorArray &vectors = params.vector_output(0);
for (int64_t i : mask) {
vectors.extend(i, array_);
}
}
CustomMF_DefaultOutput::CustomMF_DefaultOutput(StringRef name,
Span<MFDataType> input_types,
Span<MFDataType> output_types)
: output_amount_(output_types.size())
{
MFSignatureBuilder signature{name};
for (MFDataType data_type : input_types) {
signature.input("Input", data_type);
}
for (MFDataType data_type : output_types) {
signature.output("Output", data_type);
}
signature_ = signature.build();
this->set_signature(&signature_);
}
void CustomMF_DefaultOutput::call(IndexMask mask, MFParams params, MFContext UNUSED(context)) const
{
for (int param_index : this->param_indices()) {
MFParamType param_type = this->param_type(param_index);
if (!param_type.is_output()) {
continue;
}
if (param_type.data_type().is_single()) {
GMutableSpan span = params.uninitialized_single_output(param_index);
const CPPType &type = span.type();
type.fill_construct_indices(type.default_value(), span.data(), mask);
}
}
}
} // namespace blender::fn