diff options
Diffstat (limited to 'drivers/squish/image_compress_squish.cpp')
| -rw-r--r-- | drivers/squish/image_compress_squish.cpp | 17 |
1 files changed, 9 insertions, 8 deletions
diff --git a/drivers/squish/image_compress_squish.cpp b/drivers/squish/image_compress_squish.cpp index 1d71f51db4..2c520bd1e9 100644 --- a/drivers/squish/image_compress_squish.cpp +++ b/drivers/squish/image_compress_squish.cpp @@ -18,18 +18,19 @@ void image_compress_squish(Image *p_image) { if (p_image->get_format()>=Image::FORMAT_BC1) return; //do not compress, already compressed - - Image::AlphaMode alpha = p_image->detect_alpha(); - Image::Format target_format; int shift=0; int squish_comp=squish::kColourRangeFit; - switch(alpha) { + Image::Format target_format; - case Image::ALPHA_NONE: target_format = Image::FORMAT_BC1; shift=1; squish_comp|=squish::kDxt1; break; - case Image::ALPHA_BIT: target_format = Image::FORMAT_BC2; squish_comp|=squish::kDxt3; break; - case Image::ALPHA_BLEND: target_format = Image::FORMAT_BC3; squish_comp|=squish::kDxt5; break; - } + if (p_image->get_format()==Image::FORMAT_GRAYSCALE_ALPHA) { + //compressed normalmap + target_format = Image::FORMAT_BC3; squish_comp|=squish::kDxt5;; + } else if (p_image->detect_alpha()!=Image::ALPHA_NONE) { + target_format = Image::FORMAT_BC2; squish_comp|=squish::kDxt3;; + } else { + target_format = Image::FORMAT_BC1; shift=1; squish_comp|=squish::kDxt1;; + } p_image->convert(Image::FORMAT_RGBA); //always expects rgba |