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#ifndef SRC_TINT_LANG_MSL_WRITER_RAISE_SHADER_IO_H_
#define SRC_TINT_LANG_MSL_WRITER_RAISE_SHADER_IO_H_

#include "src/tint/utils/result/result.h"

// Forward declarations.
namespace tint::core::ir {
class Module;
}

namespace tint::msl::writer::raise {

/// ShaderIOConfig describes the set of configuration options for the ShaderIO transform.
struct ShaderIOConfig {
    /// true if a vertex point size builtin output should be added
    bool emit_vertex_point_size = false;
    /// A fixed sample mask to combine into masks produced by fragment shaders.
    uint32_t fixed_sample_mask = UINT32_MAX;
};

/// ShaderIO is a transform that prepares entry point inputs and outputs for MSL codegen.
/// @param module the module to transform
/// @param config the configuration
/// @returns success or failure
Result<SuccessType> ShaderIO(core::ir::Module& module, const ShaderIOConfig& config);

}  // namespace tint::msl::writer::raise

#endif  // SRC_TINT_LANG_MSL_WRITER_RAISE_SHADER_IO_H_