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#ifndef SRC_TINT_UTILS_INTERNAL_LIMITS_H_
#define SRC_TINT_UTILS_INTERNAL_LIMITS_H_

#include <cstddef>
#include <cstdint>

// Contains constants for internal limits used within Tint. These limits are not specified in the
// WGSL spec, but are practical heuristics to limit certain operations that are known to cause
// memory or runtime issues, i.e. creation of arrays with 100k elements that cause IR binary
// decoding to take pathologically long times to run.

namespace tint::internal_limits {

// Limits the number of elements appearing in the constructor for an array
constexpr size_t kMaxArrayConstructorElements = 32767;

// Limits the number of elements in an array type
constexpr int64_t kMaxArrayElementCount = 65536;

// The max subgroup size supported. Used in validation.
constexpr int64_t kMaxSubgroupSize = 128;

// A quad (fragment) is composed of four invocations.
constexpr int64_t kQuadSize = 4;

// A @size attribute maximum size
constexpr int64_t kMaxStructMemberPadding = 10 * 1024 * 1024;

}  // namespace tint::internal_limits

#endif  // SRC_TINT_UTILS_INTERNAL_LIMITS_H_
