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// Copyright 2022 The Tint Authors.
//
// 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.
#include "src/tint/type/matrix.h"
#include "src/tint/debug.h"
#include "src/tint/diagnostic/diagnostic.h"
#include "src/tint/type/manager.h"
#include "src/tint/type/vector.h"
#include "src/tint/utils/hash.h"
#include "src/tint/utils/string_stream.h"
TINT_INSTANTIATE_TYPEINFO(tint::type::Matrix);
namespace tint::type {
Matrix::Matrix(const Vector* column_type, uint32_t columns)
: Base(utils::Hash(utils::TypeInfo::Of<Vector>().full_hashcode, columns, column_type),
type::Flags{
Flag::kConstructable,
Flag::kCreationFixedFootprint,
Flag::kFixedFootprint,
}),
subtype_(column_type->type()),
column_type_(column_type),
rows_(column_type->Width()),
columns_(columns) {
TINT_ASSERT(AST, rows_ > 1);
TINT_ASSERT(AST, rows_ < 5);
TINT_ASSERT(AST, columns_ > 1);
TINT_ASSERT(AST, columns_ < 5);
}
Matrix::~Matrix() = default;
bool Matrix::Equals(const UniqueNode& other) const {
if (auto* v = other.As<Matrix>()) {
return v->rows_ == rows_ && v->columns_ == columns_ && v->column_type_ == column_type_;
}
return false;
}
std::string Matrix::FriendlyName() const {
utils::StringStream out;
out << "mat" << columns_ << "x" << rows_ << "<" << subtype_->FriendlyName() << ">";
return out.str();
}
uint32_t Matrix::Size() const {
return column_type_->Align() * columns();
}
uint32_t Matrix::Align() const {
return column_type_->Align();
}
uint32_t Matrix::ColumnStride() const {
return column_type_->Align();
}
TypeAndCount Matrix::Elements(const Type* /* type_if_invalid = nullptr */,
uint32_t /* count_if_invalid = 0 */) const {
return {column_type_, columns_};
}
const Vector* Matrix::Element(uint32_t index) const {
return index < columns_ ? column_type_ : nullptr;
}
Matrix* Matrix::Clone(CloneContext& ctx) const {
auto* col_ty = column_type_->Clone(ctx);
return ctx.dst.mgr->Get<Matrix>(col_ty, columns_);
}
} // namespace tint::type