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e0c1221b37
A transform to replace binding points and access control flags. Required by Dawn for the HLSL and MSL backends Fixed: tint:104 Fixed: tint:621 Fixed: tint:671 Change-Id: Ic6ccc4a8a7724697cc4af0fad25394a1973eeb22 Reviewed-on: https://dawn-review.googlesource.com/c/tint/+/46262 Commit-Queue: Ben Clayton <bclayton@google.com> Reviewed-by: James Price <jrprice@google.com> Kokoro: Kokoro <noreply+kokoro@google.com>
71 lines
2.1 KiB
C++
71 lines
2.1 KiB
C++
// Copyright 2021 The Tint Authors.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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#ifndef SRC_TRANSFORM_BINDING_POINT_H_
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#define SRC_TRANSFORM_BINDING_POINT_H_
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#include <stdint.h>
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#include <functional>
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#include "src/utils/hash.h"
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namespace tint {
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namespace transform {
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/// BindingPoint holds a group and binding index.
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struct BindingPoint {
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/// The `[[group]]` part of the binding point
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uint32_t group = 0;
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/// The `[[binding]]` part of the binding point
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uint32_t binding = 0;
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/// Equality operator
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/// @param rhs the BindingPoint to compare against
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/// @returns true if this BindingPoint is equal to `rhs`
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inline bool operator==(const BindingPoint& rhs) const {
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return group == rhs.group && binding == rhs.binding;
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}
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/// Inequality operator
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/// @param rhs the BindingPoint to compare against
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/// @returns true if this BindingPoint is not equal to `rhs`
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inline bool operator!=(const BindingPoint& rhs) const {
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return !(*this == rhs);
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}
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};
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} // namespace transform
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} // namespace tint
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namespace std {
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/// Custom std::hash specialization for tint::transform::BindingPoint so
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/// BindingPoints can be used as keys for std::unordered_map and
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/// std::unordered_set.
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template <>
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class hash<tint::transform::BindingPoint> {
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public:
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/// @param binding_point the binding point to create a hash for
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/// @return the hash value
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inline std::size_t operator()(
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const tint::transform::BindingPoint& binding_point) const {
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return tint::utils::Hash(binding_point.group, binding_point.binding);
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}
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};
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} // namespace std
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#endif // SRC_TRANSFORM_BINDING_POINT_H_
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