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Some compilers treat hex literals as unsigned, which causes problems

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Pavel Krajcevski 2013-11-19 14:54:59 -05:00
parent b6fde9c3f5
commit 7359f9e758
1 changed files with 3 additions and 2 deletions
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5
BPTCEncoder/src/BC7Compressor.cpp
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@ -1016,10 +1016,11 @@ double BC7CompressionMode::CompressCluster(
a2 = std::min(255.0f, std::max(0.0f, a2)); a2 = std::min(255.0f, std::max(0.0f, a2));
// Quantize // Quantize
const int8 maskSeed = 0x80;
const uint8 a1b = ::QuantizeChannel( const uint8 a1b = ::QuantizeChannel(
uint8(a1), (0x80 >> (GetAlphaChannelPrecision() - 1))); uint8(a1), (maskSeed >> (GetAlphaChannelPrecision() - 1)));
const uint8 a2b = ::QuantizeChannel( const uint8 a2b = ::QuantizeChannel(
uint8(a2), (0x80 >> (GetAlphaChannelPrecision() - 1))); uint8(a2), (maskSeed >> (GetAlphaChannelPrecision() - 1)));
// Compute error // Compute error
alphaError = 0.0; alphaError = 0.0;