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Fix errors in Green and Alpha optimal compressors.

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This commit is contained in:
castano 2008-10-02 07:33:05 +00:00
parent 0c36fcf626
commit db14e048e1
1 changed files with 2 additions and 2 deletions
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4
src/nvtt/OptimalCompressDXT.cpp
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@ -339,7 +339,7 @@ void OptimalCompress::compressDXT1G(const ColorBlock & rgba, BlockDXT1 * block)
// Expand search space a bit.
const int greenExpand = 4;
ming = (ming <= greenExpand) ? 0 : ming - greenExpand;
maxg = (maxg <= 63-greenExpand) ? 63 : maxg + greenExpand;
maxg = (maxg >= 63-greenExpand) ? 63 : maxg + greenExpand;
for (int g0 = ming+1; g0 <= maxg; g0++)
{
@ -415,7 +415,7 @@ void OptimalCompress::compressDXT5A(const ColorBlock & rgba, AlphaBlockDXT5 * dx
// Expand search space a bit.
const int alphaExpand = 8;
mina = (mina <= alphaExpand) ? 0 : mina - alphaExpand;
maxa = (maxa <= 255-alphaExpand) ? 255 : maxa + alphaExpand;
maxa = (maxa >= 255-alphaExpand) ? 255 : maxa + alphaExpand;
for (int a0 = mina+9; a0 < maxa; a0++)
{