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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> template <typename IntType>
class Bits { class Bits {
public: public:
explicit Bits(IntType& v) : m_Bits(v) {} explicit Bits(const IntType& v) : m_Bits(v) {}
Bits(const Bits&) = delete; Bits(const Bits&) = delete;
Bits& operator=(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); 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) { if (start == end) {
return (*this)[start]; return (*this)[start];
} else if (start > end) { } else if (start > end) {
@ -183,12 +183,12 @@ public:
m_QuintValue = val; 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; return m_Encoding == other.m_Encoding && m_NumBits == other.m_NumBits;
} }
// Returns the number of bits required to encode nVals values. // 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; uint32_t totalBits = m_NumBits * nVals;
if (m_Encoding == eIntegerEncoding_Trit) { if (m_Encoding == eIntegerEncoding_Trit) {
totalBits += (nVals * 8 + 4) / 5; totalBits += (nVals * 8 + 4) / 5;
@ -387,7 +387,7 @@ struct TexelWeightParams {
bool m_bVoidExtentLDR = false; bool m_bVoidExtentLDR = false;
bool m_bVoidExtentHDR = false; bool m_bVoidExtentHDR = false;
uint32_t GetPackedBitSize() { uint32_t GetPackedBitSize() const {
// How many indices do we have? // How many indices do we have?
uint32_t nIdxs = m_Height * m_Width; uint32_t nIdxs = m_Height * m_Width;
if (m_bDualPlane) { if (m_bDualPlane) {
@ -788,8 +788,8 @@ public:
} }
}; };
void DecodeColorValues(uint32_t* out, uint8_t* data, uint32_t* modes, const uint32_t nPartitions, void DecodeColorValues(uint32_t* out, uint8_t* data, const uint32_t* modes,
const uint32_t nBitsForColorData) { const uint32_t nPartitions, const uint32_t nBitsForColorData) {
// First figure out how many color values we have // First figure out how many color values we have
uint32_t nValues = 0; uint32_t nValues = 0;
for (uint32_t i = 0; i < nPartitions; i++) { 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 // 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 // This procedure is outlined in ASTC spec C.2.13
uint32_t outIdx = 0; uint32_t outIdx = 0;
std::vector<IntegerEncodedValue>::const_iterator itr; for (auto itr = decodedColorValues.begin(); itr != decodedColorValues.end(); ++itr) {
for (itr = decodedColorValues.begin(); itr != decodedColorValues.end(); itr++) {
// Have we already decoded all that we need? // Have we already decoded all that we need?
if (outIdx >= nValues) { if (outIdx >= nValues) {
break; break;
@ -1048,17 +1047,17 @@ uint32_t UnquantizeTexelWeight(const IntegerEncodedValue& val) {
return result; 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 TexelWeightParams& params, const uint32_t blockWidth,
const uint32_t blockHeight) { const uint32_t blockHeight) {
uint32_t weightIdx = 0; uint32_t weightIdx = 0;
uint32_t unquantized[2][144]; 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); unquantized[0][weightIdx] = UnquantizeTexelWeight(*itr);
if (params.m_bDualPlane) { if (params.m_bDualPlane) {
itr++; ++itr;
unquantized[1][weightIdx] = UnquantizeTexelWeight(*itr); unquantized[1][weightIdx] = UnquantizeTexelWeight(*itr);
if (itr == weights.end()) { if (itr == weights.end()) {
break; break;