medfall

commit fea1122dfe23c5cb28e8b901071643933b7c1550
parent 4c8c849ad74a77037517b53a36ff926271106f27
Author: Michael Savage <mikejsavage@gmail.com>
Date:   Sat, 27 Oct 2018 12:24:35 +0300

Simplify mipmap_levels

Diffstat:
renderer.cc
 | 
4
+++-

1 file changed, 3 insertions(+), 1 deletion(-)
diff --git a/renderer.cc b/renderer.cc
@@ -827,7 +827,9 @@ static u32 mipmap_dim( u32 dim, u32 level ) {
 // TODO: use clz
 static u32 mipmap_levels( u32 width, u32 height ) {
 	u32 levels = 1;
-	while( mipmap_dim( width, levels ) > 1 || mipmap_dim( height, levels ) > 1 ) {
+	u32 dim = max( width, height );
+	while( dim > 1 ) {
+		dim >>= 1;
 		levels++;
 	}
 	return levels;