xrDXT: Fix conformance in For loop scope (#104).

nitrocaster · nitrocaster · commit 92ef30ed87fe · 2016-01-15T03:55:08.000+03:00
diff --git a/src/utils/xrDXT/Image_DXTC.cpp b/src/utils/xrDXT/Image_DXTC.cpp
@@ -990,9 +990,11 @@ inline void GetColorBlockColors_m1(DXTColBlock* pBlock, Color8888* col_0, Color8
 //-----------------------------------------------------------------------------
 WORD GetNumberOfBits(DWORD dwMask)
 {
-    for (WORD wBits = 0; dwMask; wBits++)
+    WORD wBits = 0;
+    while (dwMask)
     {
-        dwMask = dwMask & (dwMask - 1);
+        dwMask &= dwMask-1;
+        wBits++;
     }
     return wBits;
 }

Original file line number	Diff line number	Diff line change
`@@ -990,9 +990,11 @@ inline void GetColorBlockColors_m1(DXTColBlock* pBlock, Color8888* col_0, Color8`
`990`	`990`	`//-----------------------------------------------------------------------------`
`991`	`991`	`WORD GetNumberOfBits(DWORD dwMask)`
`992`	`992`	`{`
`993`		`- for (WORD wBits = 0; dwMask; wBits++)`
	`993`	`+ WORD wBits = 0;`
	`994`	`+ while (dwMask)`
`994`	`995`	`{`
`995`		`- dwMask = dwMask & (dwMask - 1);`
	`996`	`+ dwMask &= dwMask-1;`
	`997`	`+ wBits++;`
`996`	`998`	`}`
`997`	`999`	`return wBits;`
`998`	`1000`	`}`