ARM Skia NEON patches - 08 - Cleaning / possible fix





Misc: use SK_PMCOLOR_BYTE_ORDER where appropriate

Before SK_PMCOLOR_BYTE_ORDER was introduced, I had written my own
macro for the same purpose. I had at the time spotted these two
places where it seemed to be useful.

The change in SkCreateCGImageRef.cpp may be a bugfix or a bug for the
second occurrence, I'm not sure...

BUG=
R=djsollen@google.com, caryclark@google.com, reed@google.com, tomhudson@google.com

Author: kevin.petit.arm@gmail.com

Review URL: https://chromiumcodereview.appspot.com/18024003

git-svn-id: http://skia.googlecode.com/svn/trunk@10071 2bbb7eff-a529-9590-31e7-b0007b416f81
diff --git a/src/utils/mac/SkCreateCGImageRef.cpp b/src/utils/mac/SkCreateCGImageRef.cpp
index e9e1107..e931901 100644
--- a/src/utils/mac/SkCreateCGImageRef.cpp
+++ b/src/utils/mac/SkCreateCGImageRef.cpp
@@ -14,10 +14,6 @@
     delete bitmap;
 }
 
-#define HAS_ARGB_SHIFTS(a, r, g, b) \
-    (SK_A32_SHIFT == (a) && SK_R32_SHIFT == (r) \
-    && SK_G32_SHIFT == (g) && SK_B32_SHIFT == (b))
-
 static bool getBitmapInfo(const SkBitmap& bm,
                           size_t* bitsPerComponent,
                           CGBitmapInfo* info,
@@ -34,16 +30,14 @@
             // fall through
         case SkBitmap::kARGB_8888_Config:
             *bitsPerComponent = 8;
-#if defined(SK_CPU_LENDIAN) && HAS_ARGB_SHIFTS(24, 0, 8, 16) \
-|| defined(SK_CPU_BENDIAN) && HAS_ARGB_SHIFTS(0, 24, 16, 8)
+#if SK_PMCOLOR_BYTE_ORDER(R,G,B,A)
             *info = kCGBitmapByteOrder32Big;
             if (bm.isOpaque()) {
                 *info |= kCGImageAlphaNoneSkipLast;
             } else {
                 *info |= kCGImageAlphaPremultipliedLast;
             }
-#elif defined(SK_CPU_LENDIAN) && HAS_ARGB_SHIFTS(24, 16, 8, 0) \
-|| defined(SK_CPU_BENDIAN) && HAS_ARGB_SHIFTS(24, 16, 8, 0)
+#elif SK_PMCOLOR_BYTE_ORDER(B,G,R,A)
             // Matches the CGBitmapInfo that Apple recommends for best
             // performance, used by google chrome.
             *info = kCGBitmapByteOrder32Little;
@@ -108,8 +102,6 @@
     return copy;
 }
 
-#undef HAS_ARGB_SHIFTS
-
 CGImageRef SkCreateCGImageRefWithColorspace(const SkBitmap& bm,
                                             CGColorSpaceRef colorSpace) {
     size_t bitsPerComponent SK_INIT_TO_AVOID_WARNING;