mirror of
				https://git.suyu.dev/suyu/suyu
				synced 2025-11-03 16:39:01 -06:00 
			
		
		
		
	astc: Use 'enum class' instead of 'enum' for EIntegerEncoding
This commit is contained in:
		@@ -144,11 +144,11 @@ private:
 | 
			
		||||
    const IntType& m_Bits;
 | 
			
		||||
};
 | 
			
		||||
 | 
			
		||||
enum EIntegerEncoding { eIntegerEncoding_JustBits, eIntegerEncoding_Quint, eIntegerEncoding_Trit };
 | 
			
		||||
enum class IntegerEncoding { JustBits, Quint, Trit };
 | 
			
		||||
 | 
			
		||||
class IntegerEncodedValue {
 | 
			
		||||
private:
 | 
			
		||||
    const EIntegerEncoding m_Encoding;
 | 
			
		||||
    const IntegerEncoding m_Encoding;
 | 
			
		||||
    const uint32_t m_NumBits;
 | 
			
		||||
    uint32_t m_BitValue;
 | 
			
		||||
    union {
 | 
			
		||||
@@ -164,10 +164,10 @@ public:
 | 
			
		||||
        return *this;
 | 
			
		||||
    }
 | 
			
		||||
 | 
			
		||||
    IntegerEncodedValue(EIntegerEncoding encoding, uint32_t numBits)
 | 
			
		||||
    IntegerEncodedValue(IntegerEncoding encoding, uint32_t numBits)
 | 
			
		||||
        : m_Encoding(encoding), m_NumBits(numBits) {}
 | 
			
		||||
 | 
			
		||||
    EIntegerEncoding GetEncoding() const {
 | 
			
		||||
    IntegerEncoding GetEncoding() const {
 | 
			
		||||
        return m_Encoding;
 | 
			
		||||
    }
 | 
			
		||||
    uint32_t BaseBitLength() const {
 | 
			
		||||
@@ -202,9 +202,9 @@ public:
 | 
			
		||||
    // Returns the number of bits required to encode nVals values.
 | 
			
		||||
    uint32_t GetBitLength(uint32_t nVals) const {
 | 
			
		||||
        uint32_t totalBits = m_NumBits * nVals;
 | 
			
		||||
        if (m_Encoding == eIntegerEncoding_Trit) {
 | 
			
		||||
        if (m_Encoding == IntegerEncoding::Trit) {
 | 
			
		||||
            totalBits += (nVals * 8 + 4) / 5;
 | 
			
		||||
        } else if (m_Encoding == eIntegerEncoding_Quint) {
 | 
			
		||||
        } else if (m_Encoding == IntegerEncoding::Quint) {
 | 
			
		||||
            totalBits += (nVals * 7 + 2) / 3;
 | 
			
		||||
        }
 | 
			
		||||
        return totalBits;
 | 
			
		||||
@@ -227,24 +227,24 @@ public:
 | 
			
		||||
 | 
			
		||||
            // Is maxVal a power of two?
 | 
			
		||||
            if (!(check & (check - 1))) {
 | 
			
		||||
                return IntegerEncodedValue(eIntegerEncoding_JustBits, Popcnt(maxVal));
 | 
			
		||||
                return IntegerEncodedValue(IntegerEncoding::JustBits, Popcnt(maxVal));
 | 
			
		||||
            }
 | 
			
		||||
 | 
			
		||||
            // Is maxVal of the type 3*2^n - 1?
 | 
			
		||||
            if ((check % 3 == 0) && !((check / 3) & ((check / 3) - 1))) {
 | 
			
		||||
                return IntegerEncodedValue(eIntegerEncoding_Trit, Popcnt(check / 3 - 1));
 | 
			
		||||
                return IntegerEncodedValue(IntegerEncoding::Trit, Popcnt(check / 3 - 1));
 | 
			
		||||
            }
 | 
			
		||||
 | 
			
		||||
            // Is maxVal of the type 5*2^n - 1?
 | 
			
		||||
            if ((check % 5 == 0) && !((check / 5) & ((check / 5) - 1))) {
 | 
			
		||||
                return IntegerEncodedValue(eIntegerEncoding_Quint, Popcnt(check / 5 - 1));
 | 
			
		||||
                return IntegerEncodedValue(IntegerEncoding::Quint, Popcnt(check / 5 - 1));
 | 
			
		||||
            }
 | 
			
		||||
 | 
			
		||||
            // Apparently it can't be represented with a bounded integer sequence...
 | 
			
		||||
            // just iterate.
 | 
			
		||||
            maxVal--;
 | 
			
		||||
        }
 | 
			
		||||
        return IntegerEncodedValue(eIntegerEncoding_JustBits, 0);
 | 
			
		||||
        return IntegerEncodedValue(IntegerEncoding::JustBits, 0);
 | 
			
		||||
    }
 | 
			
		||||
 | 
			
		||||
    // Fills result with the values that are encoded in the given
 | 
			
		||||
@@ -259,17 +259,17 @@ public:
 | 
			
		||||
        uint32_t nValsDecoded = 0;
 | 
			
		||||
        while (nValsDecoded < nValues) {
 | 
			
		||||
            switch (val.GetEncoding()) {
 | 
			
		||||
            case eIntegerEncoding_Quint:
 | 
			
		||||
            case IntegerEncoding::Quint:
 | 
			
		||||
                DecodeQuintBlock(bits, result, val.BaseBitLength());
 | 
			
		||||
                nValsDecoded += 3;
 | 
			
		||||
                break;
 | 
			
		||||
 | 
			
		||||
            case eIntegerEncoding_Trit:
 | 
			
		||||
            case IntegerEncoding::Trit:
 | 
			
		||||
                DecodeTritBlock(bits, result, val.BaseBitLength());
 | 
			
		||||
                nValsDecoded += 5;
 | 
			
		||||
                break;
 | 
			
		||||
 | 
			
		||||
            case eIntegerEncoding_JustBits:
 | 
			
		||||
            case IntegerEncoding::JustBits:
 | 
			
		||||
                val.SetBitValue(bits.ReadBits(val.BaseBitLength()));
 | 
			
		||||
                result.push_back(val);
 | 
			
		||||
                nValsDecoded++;
 | 
			
		||||
@@ -332,7 +332,7 @@ private:
 | 
			
		||||
        }
 | 
			
		||||
 | 
			
		||||
        for (uint32_t i = 0; i < 5; i++) {
 | 
			
		||||
            IntegerEncodedValue val(eIntegerEncoding_Trit, nBitsPerValue);
 | 
			
		||||
            IntegerEncodedValue val(IntegerEncoding::Trit, nBitsPerValue);
 | 
			
		||||
            val.SetBitValue(m[i]);
 | 
			
		||||
            val.SetTritValue(t[i]);
 | 
			
		||||
            result.push_back(val);
 | 
			
		||||
@@ -380,7 +380,7 @@ private:
 | 
			
		||||
        }
 | 
			
		||||
 | 
			
		||||
        for (uint32_t i = 0; i < 3; i++) {
 | 
			
		||||
            IntegerEncodedValue val(eIntegerEncoding_Quint, nBitsPerValue);
 | 
			
		||||
            IntegerEncodedValue val(IntegerEncoding::Quint, nBitsPerValue);
 | 
			
		||||
            val.m_BitValue = m[i];
 | 
			
		||||
            val.m_QuintValue = q[i];
 | 
			
		||||
            result.push_back(val);
 | 
			
		||||
@@ -859,12 +859,12 @@ static void DecodeColorValues(uint32_t* out, uint8_t* data, const uint32_t* mode
 | 
			
		||||
 | 
			
		||||
        switch (val.GetEncoding()) {
 | 
			
		||||
        // Replicate bits
 | 
			
		||||
        case eIntegerEncoding_JustBits:
 | 
			
		||||
        case IntegerEncoding::JustBits:
 | 
			
		||||
            out[outIdx++] = Replicate(bitval, bitlen, 8);
 | 
			
		||||
            break;
 | 
			
		||||
 | 
			
		||||
        // Use algorithm in C.2.13
 | 
			
		||||
        case eIntegerEncoding_Trit: {
 | 
			
		||||
        case IntegerEncoding::Trit: {
 | 
			
		||||
 | 
			
		||||
            D = val.GetTritValue();
 | 
			
		||||
 | 
			
		||||
@@ -912,10 +912,10 @@ static void DecodeColorValues(uint32_t* out, uint8_t* data, const uint32_t* mode
 | 
			
		||||
                assert(!"Unsupported trit encoding for color values!");
 | 
			
		||||
                break;
 | 
			
		||||
            } // switch(bitlen)
 | 
			
		||||
        }     // case eIntegerEncoding_Trit
 | 
			
		||||
        }     // case IntegerEncoding::Trit
 | 
			
		||||
        break;
 | 
			
		||||
 | 
			
		||||
        case eIntegerEncoding_Quint: {
 | 
			
		||||
        case IntegerEncoding::Quint: {
 | 
			
		||||
 | 
			
		||||
            D = val.GetQuintValue();
 | 
			
		||||
 | 
			
		||||
@@ -956,11 +956,11 @@ static void DecodeColorValues(uint32_t* out, uint8_t* data, const uint32_t* mode
 | 
			
		||||
                assert(!"Unsupported quint encoding for color values!");
 | 
			
		||||
                break;
 | 
			
		||||
            } // switch(bitlen)
 | 
			
		||||
        }     // case eIntegerEncoding_Quint
 | 
			
		||||
        }     // case IntegerEncoding::Quint
 | 
			
		||||
        break;
 | 
			
		||||
        } // switch(val.GetEncoding())
 | 
			
		||||
 | 
			
		||||
        if (val.GetEncoding() != eIntegerEncoding_JustBits) {
 | 
			
		||||
        if (val.GetEncoding() != IntegerEncoding::JustBits) {
 | 
			
		||||
            uint32_t T = D * C + B;
 | 
			
		||||
            T ^= A;
 | 
			
		||||
            T = (A & 0x80) | (T >> 2);
 | 
			
		||||
@@ -983,11 +983,11 @@ static uint32_t UnquantizeTexelWeight(const IntegerEncodedValue& val) {
 | 
			
		||||
 | 
			
		||||
    uint32_t result = 0;
 | 
			
		||||
    switch (val.GetEncoding()) {
 | 
			
		||||
    case eIntegerEncoding_JustBits:
 | 
			
		||||
    case IntegerEncoding::JustBits:
 | 
			
		||||
        result = Replicate(bitval, bitlen, 6);
 | 
			
		||||
        break;
 | 
			
		||||
 | 
			
		||||
    case eIntegerEncoding_Trit: {
 | 
			
		||||
    case IntegerEncoding::Trit: {
 | 
			
		||||
        D = val.GetTritValue();
 | 
			
		||||
        assert(D < 3);
 | 
			
		||||
 | 
			
		||||
@@ -1019,7 +1019,7 @@ static uint32_t UnquantizeTexelWeight(const IntegerEncodedValue& val) {
 | 
			
		||||
        }
 | 
			
		||||
    } break;
 | 
			
		||||
 | 
			
		||||
    case eIntegerEncoding_Quint: {
 | 
			
		||||
    case IntegerEncoding::Quint: {
 | 
			
		||||
        D = val.GetQuintValue();
 | 
			
		||||
        assert(D < 5);
 | 
			
		||||
 | 
			
		||||
@@ -1046,7 +1046,7 @@ static uint32_t UnquantizeTexelWeight(const IntegerEncodedValue& val) {
 | 
			
		||||
    } break;
 | 
			
		||||
    }
 | 
			
		||||
 | 
			
		||||
    if (val.GetEncoding() != eIntegerEncoding_JustBits && bitlen > 0) {
 | 
			
		||||
    if (val.GetEncoding() != IntegerEncoding::JustBits && bitlen > 0) {
 | 
			
		||||
        // Decode the value...
 | 
			
		||||
        result = D * C + B;
 | 
			
		||||
        result ^= A;
 | 
			
		||||
 
 | 
			
		||||
		Reference in New Issue
	
	Block a user