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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_LANG_GLSL_WRITER_OPTIONS_H_
#define SRC_TINT_LANG_GLSL_WRITER_OPTIONS_H_
#include <string>
#include <unordered_map>
#include "src/tint/lang/core/builtin/access.h"
#include "src/tint/lang/glsl/writer/version.h"
#include "src/tint/lang/wgsl/sem/sampler_texture_pair.h"
#include "tint/external_texture_options.h"
namespace tint::glsl::writer {
using BindingMap = std::unordered_map<sem::SamplerTexturePair, std::string>;
/// Configuration options used for generating GLSL.
struct Options {
/// Constructor
Options();
/// Destructor
~Options();
/// Copy constructor
Options(const Options&);
/// A map of SamplerTexturePair to combined sampler names for the
/// CombineSamplers transform
BindingMap binding_map;
/// The binding point to use for placeholder samplers.
BindingPoint placeholder_binding_point;
/// A map of old binding point to new binding point for the BindingRemapper
/// transform
std::unordered_map<BindingPoint, BindingPoint> binding_points;
/// A map of old binding point to new access control for the BindingRemapper
/// transform
std::unordered_map<BindingPoint, builtin::Access> access_controls;
/// Set to `true` to disable software robustness that prevents out-of-bounds accesses.
bool disable_robustness = false;
/// If true, then validation will be disabled for binding point collisions
/// generated by the BindingRemapper transform
bool allow_collisions = false;
/// Set to `true` to disable workgroup memory zero initialization
bool disable_workgroup_init = false;
/// Options used in the binding mappings for external textures
ExternalTextureOptions external_texture_options = {};
/// The GLSL version to emit
Version version;
/// Reflect the fields of this class so that it can be used by tint::ForeachField()
TINT_REFLECT(disable_robustness,
allow_collisions,
disable_workgroup_init,
external_texture_options,
version);
};
} // namespace tint::glsl::writer
#endif // SRC_TINT_LANG_GLSL_WRITER_OPTIONS_H_