X-Git-Url: http://git.tdb.fi/?a=blobdiff_plain;f=source%2Ftexture1d.cpp;h=0dc85586cbc2e76c328077ca9b666b96c16873e9;hb=e01371d38e290b4c526146fd5d1388bba8201233;hp=78c9ed0c54209a067c51516126b797289ddb82d4;hpb=49323eea600fb989d4181ccfd437ee12722ae733;p=libs%2Fgl.git

diff --git a/source/texture1d.cpp b/source/texture1d.cpp
index 78c9ed0c..0dc85586 100644
--- a/source/texture1d.cpp
+++ b/source/texture1d.cpp
@@ -55,8 +55,7 @@ void Texture1D::image(unsigned level, PixelFormat fmt, DataType type, const void
 	if(gen_mipmap && level==0)
 	{
 		auto_generate_mipmap();
-		for(; w; w>>=1, ++level) ;
-		allocated |= (1<<level)-1;
+		allocated |= (1<<get_n_levels())-1;
 	}
 }
 
@@ -86,7 +85,14 @@ void Texture1D::image(const Graphics::Image &img, bool srgb)
 	image(0, fmt, UNSIGNED_BYTE, img.get_data());
 }
 
-unsigned Texture1D::get_level_size(unsigned level)
+unsigned Texture1D::get_n_levels() const
+{
+	unsigned n = 0;
+	for(unsigned s=width; s; s>>=1, ++n) ;
+	return n;
+}
+
+unsigned Texture1D::get_level_size(unsigned level) const
 {
 	return width>>level;
 }