File mozilla-bmo1504834-part1.patch of Package MozillaThunderbird.31591

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File mozilla-bmo1504834-part1.patch of Package MozillaThunderbird.31591

# HG changeset patch
# Parent  9fcbd287056a40084b1e679f787bf683b291f323
Taken from https://bugzilla.mozilla.org/show_bug.cgi?id=1504834

diff --git a/gfx/2d/DrawTargetSkia.cpp b/gfx/2d/DrawTargetSkia.cpp
--- a/gfx/2d/DrawTargetSkia.cpp
+++ b/gfx/2d/DrawTargetSkia.cpp
@@ -156,7 +156,8 @@ static IntRect CalculateSurfaceBounds(co
 }
 
 static const int kARGBAlphaOffset =
-    SurfaceFormat::A8R8G8B8_UINT32 == SurfaceFormat::B8G8R8A8 ? 3 : 0;
+    0;  // Skia is always BGRA SurfaceFormat::A8R8G8B8_UINT32 ==
+        // SurfaceFormat::B8G8R8A8 ? 3 : 0;
 
 static bool VerifyRGBXFormat(uint8_t* aData, const IntSize& aSize,
                              const int32_t aStride, SurfaceFormat aFormat) {
diff --git a/gfx/2d/Types.h b/gfx/2d/Types.h
--- a/gfx/2d/Types.h
+++ b/gfx/2d/Types.h
@@ -89,18 +89,11 @@ enum class SurfaceFormat : int8_t {
   // This represents the unknown format.
   UNKNOWN,  // TODO: Replace uses with Maybe<SurfaceFormat>.
 
-// The following values are endian-independent synonyms. The _UINT32 suffix
-// indicates that the name reflects the layout when viewed as a uint32_t
-// value.
-#if MOZ_LITTLE_ENDIAN()
+  // The following values are endian-independent synonyms. The _UINT32 suffix
+  // indicates that the name reflects the layout when viewed as a uint32_t
+  // value.
   A8R8G8B8_UINT32 = B8G8R8A8,  // 0xAARRGGBB
   X8R8G8B8_UINT32 = B8G8R8X8,  // 0x00RRGGBB
-#elif MOZ_BIG_ENDIAN()
-  A8R8G8B8_UINT32 = A8R8G8B8,  // 0xAARRGGBB
-  X8R8G8B8_UINT32 = X8R8G8B8,  // 0x00RRGGBB
-#else
-#  error "bad endianness"
-#endif
 
   // The following values are OS and endian-independent synonyms.
   //
diff --git a/gfx/skia/skia/modules/skcms/skcms.cc b/gfx/skia/skia/modules/skcms/skcms.cc
--- a/gfx/skia/skia/modules/skcms/skcms.cc
+++ b/gfx/skia/skia/modules/skcms/skcms.cc
@@ -30,6 +30,8 @@
         #include <avx512fintrin.h>
         #include <avx512dqintrin.h>
     #endif
+#else
+    #define SKCMS_PORTABLE
 #endif
 
 static bool runtime_cpu_detection = true;
@@ -324,20 +326,28 @@ enum {
 static uint16_t read_big_u16(const uint8_t* ptr) {
     uint16_t be;
     memcpy(&be, ptr, sizeof(be));
-#if defined(_MSC_VER)
-    return _byteswap_ushort(be);
+#if __BYTE_ORDER__ == __ORDER_BIG_ENDIAN__
+    return be;
 #else
-    return __builtin_bswap16(be);
+    #if defined(_MSC_VER)
+     return _byteswap_ushort(be);
+    #else
+     return __builtin_bswap16(be);
+    #endif
 #endif
 }
 
 static uint32_t read_big_u32(const uint8_t* ptr) {
     uint32_t be;
     memcpy(&be, ptr, sizeof(be));
-#if defined(_MSC_VER)
-    return _byteswap_ulong(be);
+#if __BYTE_ORDER == __ORDER_BIG_ENDIAN__
+    return be;
 #else
-    return __builtin_bswap32(be);
+    #if defined(_MSC_VER)
+     return _byteswap_ulong(be);
+    #else
+     return __builtin_bswap32(be);
+    #endif
 #endif
 }

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File mozilla-bmo1504834-part1.patch of Package MozillaThunderbird.31591

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