first_bit_high

first_bit_high :: (int x) -> int {...}
first_bit_high :: (uint x) -> int {...}

pipeline MipmapLevel {
  pass "Main" {
    compute "Main" [64, 1, 1] {
    // Calculate mip level from texture dimensions
    uint maxDim = max(textureWidth, textureHeight);
    int mipLevels = first_bit_high(maxDim) + 1;

    // Process each mip level
    for (int mip = 0; mip < mipLevels; mip++) {
        processMipLevel(mip);
    }
    }
  }
}

// Integer log base 2
int log2Value = first_bit_high(x);

// Number of mip levels for texture
int mips = first_bit_high(max(width, height)) + 1;

// Round up to next power of 2
int highBit = first_bit_high(x - 1) + 1;
int nextPow2 = 1 << highBit;

// Minimum bits needed to represent value
int bitsNeeded = first_bit_high(maxValue) + 1;

// Find lowest priority (highest bit = lowest priority)
int lowestPriority = first_bit_high(priorityMask);

// Determine quadtree level from cell size
int level = maxLevel - first_bit_high(cellSize);

findMSB(x)

firstbithigh(x)

31 - clz(x)  // 31 minus count leading zeros