mirror of
https://github.com/encounter/dawn-cmake.git
synced 2025-08-29 15:05:59 +00:00
c4b380b8af
This patch make `sem::Vector::Size()` and `Align()` more general to prepare for subtypes of 16bits, e.g. f16. Previously these methods assert that the subtypes are of 4bytes. Change-Id: Ic939f177e87faabdf17d1d404cee82a91072a179 Reviewed-on: https://dawn-review.googlesource.com/c/dawn/+/90163 Kokoro: Kokoro <noreply+kokoro@google.com> Reviewed-by: Ben Clayton <bclayton@google.com> Commit-Queue: Zhaoming Jiang <zhaoming.jiang@intel.com>
71 lines
1.9 KiB
C++
71 lines
1.9 KiB
C++
// Copyright 2020 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/sem/vector.h"
|
|
|
|
#include "src/tint/program_builder.h"
|
|
#include "src/tint/utils/hash.h"
|
|
|
|
TINT_INSTANTIATE_TYPEINFO(tint::sem::Vector);
|
|
|
|
namespace tint::sem {
|
|
|
|
Vector::Vector(Type const* subtype, uint32_t width) : subtype_(subtype), width_(width) {
|
|
TINT_ASSERT(Semantic, width_ > 1);
|
|
TINT_ASSERT(Semantic, width_ < 5);
|
|
}
|
|
|
|
Vector::Vector(Vector&&) = default;
|
|
|
|
Vector::~Vector() = default;
|
|
|
|
size_t Vector::Hash() const {
|
|
return utils::Hash(TypeInfo::Of<Vector>().full_hashcode, width_, subtype_);
|
|
}
|
|
|
|
bool Vector::Equals(const Type& other) const {
|
|
if (auto* v = other.As<Vector>()) {
|
|
return v->width_ == width_ && v->subtype_ == subtype_;
|
|
}
|
|
return false;
|
|
}
|
|
|
|
std::string Vector::FriendlyName(const SymbolTable& symbols) const {
|
|
std::ostringstream out;
|
|
out << "vec" << width_ << "<" << subtype_->FriendlyName(symbols) << ">";
|
|
return out.str();
|
|
}
|
|
|
|
bool Vector::IsConstructible() const {
|
|
return true;
|
|
}
|
|
|
|
uint32_t Vector::Size() const {
|
|
return subtype_->Size() * width_;
|
|
}
|
|
|
|
uint32_t Vector::Align() const {
|
|
switch (width_) {
|
|
case 2:
|
|
return subtype_->Size() * 2;
|
|
case 3:
|
|
return subtype_->Size() * 4;
|
|
case 4:
|
|
return subtype_->Size() * 4;
|
|
}
|
|
return 0; // Unreachable
|
|
}
|
|
|
|
} // namespace tint::sem
|