mozilla-inbound: changeset 442385:f0f7573deea111d97bc96aa6b33e2518ee89da3a

author	Lee Salzman <lsalzman@mozilla.com>
	Mon, 22 Oct 2018 14:49:08 -0400 (2018-10-22)
changeset 442385	f0f7573deea111d97bc96aa6b33e2518ee89da3a
parent 442384	2ce8f6d1a64ef8ee845c595bc441234af72422fe
child 442386	d2f1265ca977cab4b65a81aff3902ee7f02d5a06
push id	109157
push user	lsalzman@mozilla.com
push date	Mon, 22 Oct 2018 18:50:52 +0000 (2018-10-22)
treeherder	mozilla-inbound@f0f7573deea1 [default view] [failures only]
perfherder	[talos] [build metrics] [platform microbench] (compared to previous push)
reviewers	me
bugs	1500709
milestone	65.0a1
first release with	nightly linux32 6e96c7ec0d11 / 65.0a1 / 20181023100120 / files nightly linux64 6e96c7ec0d11 / 65.0a1 / 20181023100120 / files nightly mac 6e96c7ec0d11 / 65.0a1 / 20181023100120 / files nightly win32 6e96c7ec0d11 / 65.0a1 / 20181023100120 / files nightly win64 6e96c7ec0d11 / 65.0a1 / 20181023100120 / files
last release without	nightly linux32 2872e7a3606d / 65.0a1 / 20181022220734 / files nightly linux64 2872e7a3606d / 65.0a1 / 20181022220734 / files nightly mac 2872e7a3606d / 65.0a1 / 20181022220734 / files nightly win32 2872e7a3606d / 65.0a1 / 20181022220734 / files nightly win64 2872e7a3606d / 65.0a1 / 20181022220734 / files

--- a/gfx/2d/Swizzle.cpp
+++ b/gfx/2d/Swizzle.cpp
@@ -82,17 +82,17 @@ AlphaByteIndex(SurfaceFormat aFormat)
 
 // The endian-dependent bit shift to access RGB of a UINT32 pixel.
 static constexpr uint32_t
 RGBBitShift(SurfaceFormat aFormat)
 {
 #if MOZ_LITTLE_ENDIAN
   return 8 * RGBByteIndex(aFormat);
 #else
-  return 24 - 8 * RGBByteIndex(aFormat);
+  return 8 - 8 * RGBByteIndex(aFormat);
 #endif
 }
 
 // The endian-dependent bit shift to access alpha of a UINT32 pixel.
 static constexpr uint32_t
 AlphaBitShift(SurfaceFormat aFormat)
 {
   return (RGBBitShift(aFormat) + 24) % 32;