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// Copyright 2023 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.
#ifndef SRC_TINT_SEM_EXTERNAL_TEXTURE_H_
#define SRC_TINT_SEM_EXTERNAL_TEXTURE_H_
#include <unordered_map>
#include "src/tint/sem/binding_point.h"
namespace tint::sem::external_texture {
/// This struct identifies the binding groups and locations for new bindings to
/// use when transforming a texture_external instance.
struct BindingPoints {
/// The desired binding location of the texture_2d representing plane #1 when
/// a texture_external binding is expanded.
BindingPoint plane_1;
/// The desired binding location of the ExternalTextureParams uniform when a
/// texture_external binding is expanded.
BindingPoint params;
/// Reflect the fields of this class so that it can be used by tint::ForeachField()
TINT_REFLECT(plane_1, params);
};
/// BindingsMap is a map where the key is the binding location of a
/// texture_external and the value is a struct containing the desired
/// locations for new bindings expanded from the texture_external instance.
using BindingsMap = std::unordered_map<BindingPoint, BindingPoints>;
} // namespace tint::sem::external_texture
#endif // SRC_TINT_SEM_EXTERNAL_TEXTURE_H_