src/tint/lang/core/ir/transform/robustness.h

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#ifndef SRC_TINT_LANG_CORE_IR_TRANSFORM_ROBUSTNESS_H_
#define SRC_TINT_LANG_CORE_IR_TRANSFORM_ROBUSTNESS_H_

#include <string>
#include <unordered_set>

#include "src/tint/api/common/binding_point.h"
#include "src/tint/utils/result/result.h"

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

namespace tint::core::ir::transform {

/// Configuration options that control when to clamp accesses.
struct RobustnessConfig {
    /// Should non-pointer accesses be clamped?
    bool clamp_value = true;

    /// Should texture accesses be clamped?
    bool clamp_texture = true;

    /// Should accesses to pointers with the 'function' address space be clamped?
    bool clamp_function = true;
    /// Should accesses to pointers with the 'private' address space be clamped?
    bool clamp_private = true;
    /// Should accesses to pointers with the 'push_constant' address space be clamped?
    bool clamp_push_constant = true;
    /// Should accesses to pointers with the 'storage' address space be clamped?
    bool clamp_storage = true;
    /// Should accesses to pointers with the 'uniform' address space be clamped?
    bool clamp_uniform = true;
    /// Should accesses to pointers with the 'workgroup' address space be clamped?
    bool clamp_workgroup = true;

    /// Bindings that should always be ignored.
    std::unordered_set<tint::BindingPoint> bindings_ignored;

    /// Should the transform skip index clamping on runtime-sized arrays?
    bool disable_runtime_sized_array_index_clamping = false;
};

/// Robustness is a transform that prevents out-of-bounds memory accesses.
/// @param module the module to transform
/// @param config the robustness configuration
/// @returns success or failure
Result<SuccessType> Robustness(Module& module, const RobustnessConfig& config);

}  // namespace tint::core::ir::transform

#endif  // SRC_TINT_LANG_CORE_IR_TRANSFORM_ROBUSTNESS_H_