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Texconv: Fixed case where source image already has mipchain and the tool is supposed to change the number of mip levels

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walbourn_cp 2012-09-06 12:27:41 -07:00
parent babaf73654
commit eb48e991f9
1 changed files with 60 additions and 0 deletions
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60
Texconv/texconv.cpp
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@ -864,6 +864,66 @@ int __cdecl wmain(_In_ int argc, _In_z_count_(argc) wchar_t* argv[])
}
}
if ( (!tMips || info.mipLevels != tMips) && ( info.mipLevels != 1 ) )
{
// Mips generation only works on a single base image, so strip off existing mip levels
ScratchImage *timage = new ScratchImage;
if ( !timage )
{
wprintf( L" ERROR: Memory allocation failed\n" );
delete image;
goto LError;
}
TexMetadata mdata = info;
mdata.mipLevels = 1;
hr = timage->Initialize( mdata );
if ( FAILED(hr) )
{
wprintf( L" FAILED [copy to single level] (%x)\n", hr);
delete timage;
delete image;
goto LError;
}
if ( info.dimension == TEX_DIMENSION_TEXTURE3D )
{
for( size_t d = 0; d < info.depth; ++d )
{
hr = CopyRectangle( *image->GetImage( 0, 0, d ), Rect( 0, 0, info.width, info.height ),
*timage->GetImage( 0, 0, d ), TEX_FILTER_DEFAULT, 0, 0 );
if ( FAILED(hr) )
{
wprintf( L" FAILED [copy to single level] (%x)\n", hr);
delete timage;
delete image;
goto LError;
}
}
}
else
{
for( size_t i = 0; i < info.arraySize; ++i )
{
hr = CopyRectangle( *image->GetImage( 0, i, 0 ), Rect( 0, 0, info.width, info.height ),
*timage->GetImage( 0, i, 0 ), TEX_FILTER_DEFAULT, 0, 0 );
if ( FAILED(hr) )
{
wprintf( L" FAILED [copy to single level] (%x)\n", hr);
delete timage;
delete image;
goto LError;
}
}
}
delete image;
image = timage;
const TexMetadata& tinfo = timage->GetMetadata();
info.mipLevels = tinfo.mipLevels;
}
if ( !tMips || info.mipLevels != tMips )
{
ScratchImage *timage = new ScratchImage;