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Fix mirror sampling fixes issue 135.

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This commit is contained in:
castano 2010-09-07 18:08:27 +00:00
parent e2ac16f100
commit 2ea2b40c72
2 changed files with 13 additions and 9 deletions
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1
ChangeLog
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@ -5,6 +5,7 @@ NVIDIA Texture Tools version 2.0.9
* Improve C# / .NET Wrapper * Improve C# / .NET Wrapper
* Add an XNA Game Studio 3.1 Content Processor to make it easy to utilize NVIDIA Texture Tools in XNA applications. * Add an XNA Game Studio 3.1 Content Processor to make it easy to utilize NVIDIA Texture Tools in XNA applications.
* Fix single color DXT1a compressor. Fixes issue 134. * Fix single color DXT1a compressor. Fixes issue 134.
* Fix mirror sampling. Fixes issue 135.
NVIDIA Texture Tools version 2.0.8 NVIDIA Texture Tools version 2.0.8
* Fix float to fixed image conversion. Patch provided by Alex Pfaffe. Fixes issue 121. * Fix float to fixed image conversion. Patch provided by Alex Pfaffe. Fixes issue 121.

5
src/nvimage/FloatImage.cpp
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@ -34,10 +34,13 @@ namespace
static int mirror(int x, int w) static int mirror(int x, int w)
{ {
if (w == 1) return 0;
x = abs(x); x = abs(x);
while (x >= w) { while (x >= w) {
x = 2 * w - x - 2; x = abs(w + w - x - 2);
} }
return x; return x;
} }
} }