src/tint/lang/spirv/reader/ast_lower/decompose_strided_matrix.h

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#ifndef SRC_TINT_LANG_SPIRV_READER_AST_LOWER_DECOMPOSE_STRIDED_MATRIX_H_
#define SRC_TINT_LANG_SPIRV_READER_AST_LOWER_DECOMPOSE_STRIDED_MATRIX_H_

#include "src/tint/lang/wgsl/ast/transform/transform.h"

namespace tint::spirv::reader {

/// DecomposeStridedMatrix transforms replaces matrix members of storage or
/// uniform buffer structures, that have a stride attribute, into an array
/// of N column vectors.
/// This transform is used by the SPIR-V reader to handle the SPIR-V
/// MatrixStride attribute.
///
/// @note Depends on the following transforms to have been run first:
/// * SimplifyPointers
class DecomposeStridedMatrix final
    : public Castable<DecomposeStridedMatrix, ast::transform::Transform> {
  public:
    /// Constructor
    DecomposeStridedMatrix();

    /// Destructor
    ~DecomposeStridedMatrix() override;

    /// @copydoc ast::transform::Transform::Apply
    ApplyResult Apply(const Program& program,
                      const ast::transform::DataMap& inputs,
                      ast::transform::DataMap& outputs) const override;
};

}  // namespace tint::spirv::reader

#endif  // SRC_TINT_LANG_SPIRV_READER_AST_LOWER_DECOMPOSE_STRIDED_MATRIX_H_