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astc: const-correctness changes where applicable 

A few member functions didn't actually modify class state, so these can
be amended as necessary.
This commit is contained in:
Lioncash 2018-07-17 23:12:16 -04:00
parent e3fadb9616
commit c5803e30d3
1 changed files with 13 additions and 14 deletions
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27
src/video_core/textures/astc.cpp
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@ -106,16 +106,16 @@ private:
template <typename IntType>
class Bits {
public:
explicit Bits(IntType& v) : m_Bits(v) {}
explicit Bits(const IntType& v) : m_Bits(v) {}
Bits(const Bits&) = delete;
Bits& operator=(const Bits&) = delete;
uint8_t operator[](uint32_t bitPos) {
uint8_t operator[](uint32_t bitPos) const {
return static_cast<uint8_t>((m_Bits >> bitPos) & 1);
}
IntType operator()(uint32_t start, uint32_t end) {
IntType operator()(uint32_t start, uint32_t end) const {
if (start == end) {
return (*this)[start];
} else if (start > end) {
@ -183,12 +183,12 @@ public:
m_QuintValue = val;
}
bool MatchesEncoding(const IntegerEncodedValue& other) {
bool MatchesEncoding(const IntegerEncodedValue& other) const {
return m_Encoding == other.m_Encoding && m_NumBits == other.m_NumBits;
}
// Returns the number of bits required to encode nVals values.
uint32_t GetBitLength(uint32_t nVals) {
uint32_t GetBitLength(uint32_t nVals) const {
uint32_t totalBits = m_NumBits * nVals;
if (m_Encoding == eIntegerEncoding_Trit) {
totalBits += (nVals * 8 + 4) / 5;
@ -387,7 +387,7 @@ struct TexelWeightParams {
bool m_bVoidExtentLDR = false;
bool m_bVoidExtentHDR = false;
uint32_t GetPackedBitSize() {
uint32_t GetPackedBitSize() const {
// How many indices do we have?
uint32_t nIdxs = m_Height * m_Width;
if (m_bDualPlane) {
@ -788,8 +788,8 @@ public:
}
};
void DecodeColorValues(uint32_t* out, uint8_t* data, uint32_t* modes, const uint32_t nPartitions,
const uint32_t nBitsForColorData) {
void DecodeColorValues(uint32_t* out, uint8_t* data, const uint32_t* modes,
const uint32_t nPartitions, const uint32_t nBitsForColorData) {
// First figure out how many color values we have
uint32_t nValues = 0;
for (uint32_t i = 0; i < nPartitions; i++) {
@ -825,8 +825,7 @@ void DecodeColorValues(uint32_t* out, uint8_t* data, uint32_t* modes, const uint
// Once we have the decoded values, we need to dequantize them to the 0-255 range
// This procedure is outlined in ASTC spec C.2.13
uint32_t outIdx = 0;
std::vector<IntegerEncodedValue>::const_iterator itr;
for (itr = decodedColorValues.begin(); itr != decodedColorValues.end(); itr++) {
for (auto itr = decodedColorValues.begin(); itr != decodedColorValues.end(); ++itr) {
// Have we already decoded all that we need?
if (outIdx >= nValues) {
break;
@ -1048,17 +1047,17 @@ uint32_t UnquantizeTexelWeight(const IntegerEncodedValue& val) {
return result;
}
void UnquantizeTexelWeights(uint32_t out[2][144], std::vector<IntegerEncodedValue>& weights,
void UnquantizeTexelWeights(uint32_t out[2][144], const std::vector<IntegerEncodedValue>& weights,
const TexelWeightParams& params, const uint32_t blockWidth,
const uint32_t blockHeight) {
uint32_t weightIdx = 0;
uint32_t unquantized[2][144];
std::vector<IntegerEncodedValue>::const_iterator itr;
for (itr = weights.begin(); itr != weights.end(); itr++) {
for (auto itr = weights.begin(); itr != weights.end(); ++itr) {
unquantized[0][weightIdx] = UnquantizeTexelWeight(*itr);
if (params.m_bDualPlane) {
itr++;
++itr;
unquantized[1][weightIdx] = UnquantizeTexelWeight(*itr);
if (itr == weights.end()) {
break;