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#ifndef SRC_TINT_LANG_WGSL_AST_INPUT_ATTACHMENT_INDEX_ATTRIBUTE_H_
#define SRC_TINT_LANG_WGSL_AST_INPUT_ATTACHMENT_INDEX_ATTRIBUTE_H_
#include <string>
#include "src/tint/lang/wgsl/ast/attribute.h"
// Forward declarations
namespace tint::ast {
class Expression;
}
namespace tint::ast {
/// An input attachment attribute (enabled with the input attachments extension)
class InputAttachmentIndexAttribute final
: public Castable<InputAttachmentIndexAttribute, Attribute> {
public:
/// constructor
/// @param pid the identifier of the program that owns this node
/// @param nid the unique node identifier
/// @param src the source of this node
/// @param expr the input attachment index value
InputAttachmentIndexAttribute(GenerationID pid,
NodeID nid,
const Source& src,
const Expression* expr);
~InputAttachmentIndexAttribute() override;
/// @returns the WGSL name for the attribute
std::string Name() const override;
/// Clones this node and all transitive child nodes using the `CloneContext`
/// `ctx`.
/// @param ctx the clone context
/// @return the newly cloned node
const InputAttachmentIndexAttribute* Clone(CloneContext& ctx) const override;
/// The index value expression
const Expression* const expr;
};
} // namespace tint::ast
#endif // SRC_TINT_LANG_WGSL_AST_INPUT_ATTACHMENT_INDEX_ATTRIBUTE_H_