astc: Use boost's static_vector to avoid heap allocations
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@ -20,6 +20,8 @@
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#include <cstring>
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#include <vector>
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#include <boost/container/static_vector.hpp>
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#include "common/common_types.h"
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#include "video_core/textures/astc.h"
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@ -189,9 +191,13 @@ struct IntegerEncodedValue {
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u32 trit_value;
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};
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};
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using IntegerEncodedVector = boost::container::static_vector<
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IntegerEncodedValue, 64,
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boost::container::static_vector_options<
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boost::container::inplace_alignment<alignof(IntegerEncodedValue)>,
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boost::container::throw_on_overflow<false>>::type>;
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static void DecodeTritBlock(InputBitStream& bits, std::vector<IntegerEncodedValue>& result,
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u32 nBitsPerValue) {
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static void DecodeTritBlock(InputBitStream& bits, IntegerEncodedVector& result, u32 nBitsPerValue) {
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// Implement the algorithm in section C.2.12
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u32 m[5];
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u32 t[5];
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@ -249,7 +255,7 @@ static void DecodeTritBlock(InputBitStream& bits, std::vector<IntegerEncodedValu
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}
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}
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static void DecodeQus32Block(InputBitStream& bits, std::vector<IntegerEncodedValue>& result,
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static void DecodeQus32Block(InputBitStream& bits, IntegerEncodedVector& result,
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u32 nBitsPerValue) {
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// Implement the algorithm in section C.2.12
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u32 m[3];
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@ -337,8 +343,8 @@ static constexpr std::array EncodingsValues = MakeEncodedValues();
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// Fills result with the values that are encoded in the given
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// bitstream. We must know beforehand what the maximum possible
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// value is, and how many values we're decoding.
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static void DecodeIntegerSequence(std::vector<IntegerEncodedValue>& result, InputBitStream& bits,
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u32 maxRange, u32 nValues) {
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static void DecodeIntegerSequence(IntegerEncodedVector& result, InputBitStream& bits, u32 maxRange,
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u32 nValues) {
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// Determine encoding parameters
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IntegerEncodedValue val = EncodingsValues[maxRange];
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@ -895,8 +901,7 @@ static void DecodeColorValues(u32* out, u8* data, const u32* modes, const u32 nP
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}
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// We now have enough to decode our integer sequence.
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std::vector<IntegerEncodedValue> decodedColorValues;
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decodedColorValues.reserve(32);
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IntegerEncodedVector decodedColorValues;
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InputBitStream colorStream(data);
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DecodeIntegerSequence(decodedColorValues, colorStream, range, nValues);
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@ -1126,7 +1131,7 @@ static u32 UnquantizeTexelWeight(const IntegerEncodedValue& val) {
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return result;
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}
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static void UnquantizeTexelWeights(u32 out[2][144], const std::vector<IntegerEncodedValue>& weights,
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static void UnquantizeTexelWeights(u32 out[2][144], const IntegerEncodedVector& weights,
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const TexelWeightParams& params, const u32 blockWidth,
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const u32 blockHeight) {
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u32 weightIdx = 0;
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@ -1624,8 +1629,7 @@ static void DecompressBlock(const u8 inBuf[16], const u32 blockWidth, const u32
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static_cast<u8>((1 << (weightParams.GetPackedBitSize() % 8)) - 1);
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memset(texelWeightData + clearByteStart, 0, 16 - clearByteStart);
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std::vector<IntegerEncodedValue> texelWeightValues;
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texelWeightValues.reserve(64);
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IntegerEncodedVector texelWeightValues;
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InputBitStream weightStream(texelWeightData);
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