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astc: Use 'enum class' instead of 'enum' for EIntegerEncoding

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This commit is contained in:
ReinUsesLisp 2020-03-13 22:20:12 -03:00
parent 666d431ad8
commit d3dc4e399c
1 changed files with 25 additions and 25 deletions
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50
src/video_core/textures/astc.cpp
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@ -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;