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UE5 - Fix check for mip generation of odd-sized textures

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#rb Danny.Couture, Uriel.Doyon
#jira UE-101247
#rnx

[CL 14514844 by Rolando Caloca in ue5-main branch]
This commit is contained in:
Rolando Caloca
2020-10-19 12:21:37 -04:00
parent 0fee20be9a
commit ed2c58a60c
1 changed files with 10 additions and 3 deletions
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13
Engine/Source/Developer/TextureCompressor/Private/TextureCompressorModule.cpp
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@@ -425,9 +425,16 @@ static void GenerateSharpenedMipB8G8R8A8Templ(
bool bSharpenWithoutColorShift,
bool bUnfiltered)
{
check( SourceImageData.SizeX == ScaleFactor * DestImageData.SizeX || DestImageData.SizeX == 1 );
check( SourceImageData.SizeY == ScaleFactor * DestImageData.SizeY || DestImageData.SizeY == 1 );
check( Kernel.GetFilterTableSize() >= 2 );
// Add the 0.5 as the source size could be odd
checkf( SourceImageData.SizeX == (uint32)((float)ScaleFactor * ((float)DestImageData.SizeX + 0.5f)) || DestImageData.SizeX == 1,
TEXT("SourceImage Size %d, %d; ScaleFactor %d; DestImage Size %d, %d"),
SourceImageData.SizeX, SourceImageData.SizeY, ScaleFactor,
DestImageData.SizeX, DestImageData.SizeY);
checkf( SourceImageData.SizeY == (uint32)((float)ScaleFactor * ((float)DestImageData.SizeY + 0.5f)) || DestImageData.SizeY == 1,
TEXT("SourceImage Size %d, %d; ScaleFactor %d; DestImage Size %d, %d"),
SourceImageData.SizeX, SourceImageData.SizeY, ScaleFactor,
DestImageData.SizeX, DestImageData.SizeY);
checkf( Kernel.GetFilterTableSize() >= 2, TEXT("Kernel table size %d, expected at least 2!"), Kernel.GetFilterTableSize());
const int32 KernelCenter = (int32)Kernel.GetFilterTableSize() / 2 - 1;