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Merge pull request #275 from magumagu/swbackend-fix-tev 

Software backend: TEV combiner compare mode fixes
This commit is contained in:
Tony Wasserka 2014-04-15 23:39:11 +02:00
parent 12d7ffac13 685d612c8c
commit 3c83d1150e
1 changed files with 4 additions and 3 deletions
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7
Source/Core/VideoBackends/Software/Tev.cpp
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@ -185,8 +185,9 @@ void Tev::DrawColorRegular(TevStageCombiner::ColorCombiner &cc, const InputRegTy
s32 temp = InputReg.a * (256 - c) + (InputReg.b * c);
temp <<= m_ScaleLShiftLUT[cc.shift];
temp += (cc.shift != 3) ? 0 : (cc.op == 1) ? 127 : 128;
temp = cc.op ? (-temp >> 8) : (temp >> 8);
temp += (cc.shift == 3) ? 0 : (cc.op == 1) ? 127 : 128;
temp >>= 8;
temp = cc.op ? -temp : temp;
s32 result = ((InputReg.d + m_BiasLUT[cc.bias]) << m_ScaleLShiftLUT[cc.shift]) + temp;
result = result >> m_ScaleRShiftLUT[cc.shift];
@ -197,7 +198,7 @@ void Tev::DrawColorRegular(TevStageCombiner::ColorCombiner &cc, const InputRegTy
void Tev::DrawColorCompare(TevStageCombiner::ColorCombiner &cc, const InputRegType inputs[4])
{
for (int i = BLU_C; i < RED_C; i++)
for (int i = BLU_C; i <= RED_C; i++)
{
switch ((cc.shift<<1)|cc.op|8) // encoded compare mode
{