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DirectXTex: Support for non-power-of-2 mipmapped BC textures

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walbourn_cp
2013-07-30 17:32:45 -07:00
parent 5a6c053e99
commit 5f3b34beb5
2 changed files with 137 additions and 121 deletions
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10
Texconv/texconv.cpp
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@@ -638,6 +638,7 @@ int __cdecl wmain(_In_ int argc, _In_z_count_(argc) wchar_t* argv[])
// Convert images
bool nonpow2warn = false;
bool non4bc = false;
SConversion *pConv;
for(pConv = pConversion; pConv; pConv = pConv->pNext)
@@ -1111,6 +1112,11 @@ int __cdecl wmain(_In_ int argc, _In_z_count_(argc) wchar_t* argv[])
}
#endif
if ( (img->width % 4) != 0 || (img->height % 4) != 0 )
{
non4bc = true;
}
hr = Compress( img, nimg, info, tformat, cflags, 0.5f, *timage );
if ( FAILED(hr) )
{
@@ -1226,6 +1232,10 @@ int __cdecl wmain(_In_ int argc, _In_z_count_(argc) wchar_t* argv[])
if ( nonpow2warn )
wprintf( L"\n WARNING: Not all feature levels support non-power-of-2 textures with mipmaps\n" );
if ( non4bc )
wprintf( L"\n WARNING: Direct3D requires BC image to be multiple of 4 in width & height\n" );
nReturn = 0;
goto LDone;