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// Copyright 2022 The Dawn & Tint Authors
//
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// modification, are permitted provided that the following conditions are met:
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// 1. Redistributions of source code must retain the above copyright notice, this
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#ifndef SRC_TINT_LANG_GLSL_WRITER_AST_RAISE_PAD_STRUCTS_H_
#define SRC_TINT_LANG_GLSL_WRITER_AST_RAISE_PAD_STRUCTS_H_
#include "src/tint/lang/wgsl/ast/transform/transform.h"
namespace tint::glsl::writer {
/// This transform turns all explicit alignment and sizing into padding
/// members of structs. This is required for GLSL ES, since it not support
/// the offset= decoration.
///
/// @note This transform requires the CanonicalizeEntryPointIO transform to have been run first.
class PadStructs final : public Castable<PadStructs, ast::transform::Transform> {
public:
/// Constructor
PadStructs();
/// Destructor
~PadStructs() override;
/// @copydoc ast::transform::Transform::Apply
ApplyResult Apply(const Program& program,
const ast::transform::DataMap& inputs,
ast::transform::DataMap& outputs) const override;
};
} // namespace tint::glsl::writer
#endif // SRC_TINT_LANG_GLSL_WRITER_AST_RAISE_PAD_STRUCTS_H_