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simplify a little, comment

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Glenn Maynard
2004-08-28 08:29:13 +00:00
parent 0169f9fcf6
commit 6009e72fc6
1 changed files with 15 additions and 13 deletions
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stepmania/src/RageBitmapTexture.cpp
+6 -4
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@@ -211,11 +211,14 @@ void RageBitmapTexture::Create()
default: default:
RageException::Throw( "Invalid color depth: %d bits", actualID.iColorDepth ); RageException::Throw( "Invalid color depth: %d bits", actualID.iColorDepth );
} }
}
/* It's either not a paletted image, or we can't handle paletted textures. /* Dither if appropriate. XXX: This is a special case: don't bother dithering to
* Convert to the desired RGBA format, dithering if appropriate. */ * RGBA8888. We actually want to dither only if the destination has greater color
* depth on at least one color channel than the source. For example, it doesn't
* make sense to do this when pixfmt is RGBA5551 if the image is only RGBA555. */
if( actualID.bDither && if( actualID.bDither &&
(pixfmt==RageDisplay::FMT_RGBA4 || pixfmt==RageDisplay::FMT_RGB5A1) ) /* Don't dither if format is 32bpp; there's no point. */ (pixfmt==RageDisplay::FMT_RGBA4 || pixfmt==RageDisplay::FMT_RGB5A1) )
{ {
/* Dither down to the destination format. */ /* Dither down to the destination format. */
const RageDisplay::PixelFormatDesc *pfd = DISPLAY->GetPixelFormatDesc(pixfmt); const RageDisplay::PixelFormatDesc *pfd = DISPLAY->GetPixelFormatDesc(pixfmt);
@@ -226,7 +229,6 @@ void RageBitmapTexture::Create()
delete img; delete img;
img = dst; img = dst;
} }
}
/* This needs to be done *after* the final resize, since that resize /* This needs to be done *after* the final resize, since that resize
* may introduce new alpha bits that need to be set. It needs to be * may introduce new alpha bits that need to be set. It needs to be