File mozilla-bmo1504834-part1.patch of Package LibreWolf

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File mozilla-bmo1504834-part1.patch of Package LibreWolf

# HG changeset patch
# Parent  125a78208d2cef58191a0328ffe894dd14c6b146
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
@@ -151,17 +151,18 @@ static IntRect CalculateSurfaceBounds(co
   if (!sampledBounds.ToIntRect(&bounds)) {
     return surfaceBounds;
   }
 
   return surfaceBounds.Intersect(bounds);
 }
 
 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) {
   if (aFormat != SurfaceFormat::B8G8R8X8 || aSize.IsEmpty()) {
     return true;
   }
   // We should've initialized the data to be opaque already
   // On debug builds, verify that this is actually true.
diff --git a/gfx/2d/Types.h b/gfx/2d/Types.h
--- a/gfx/2d/Types.h
+++ b/gfx/2d/Types.h
@@ -84,28 +84,21 @@ enum class SurfaceFormat : int8_t {
   YUV422,  // Single plane YUV 4:2:2 interleaved as Y`0 Cb Y`1 Cr.
   HSV,
   Lab,
   Depth,
 
   // 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.
   //
   // TODO(aosmond): When everything blocking bug 1581828 has been resolved, we
   // can make this use R8B8G8A8 and R8B8G8X8 for non-Windows platforms.
   OS_RGBA = A8R8G8B8_UINT32,
   OS_RGBX = X8R8G8B8_UINT32
 };
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
@@ -26,16 +26,18 @@
         // it'd be a lot slower.  But we want all those headers included so we
         // can use their features after runtime checks later.
         #include <smmintrin.h>
         #include <avxintrin.h>
         #include <avx2intrin.h>
         #include <avx512fintrin.h>
         #include <avx512dqintrin.h>
     #endif
+#else
+    #define SKCMS_PORTABLE
 #endif
 
 using namespace skcms_private;
 
 static bool sAllowRuntimeCPUDetection = true;
 
 void skcms_DisableRuntimeCPUDetection() {
     sAllowRuntimeCPUDetection = false;
@@ -319,30 +321,38 @@ enum {
     skcms_Signature_sf32 = 0x73663332,
     // XYZ is also a PCS signature, so it's defined in skcms.h
     // skcms_Signature_XYZ = 0x58595A20,
 };
 
 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
 }
 
 static int32_t read_big_i32(const uint8_t* ptr) {
     return (int32_t)read_big_u32(ptr);
 }
 
 static float read_big_fixed(const uint8_t* ptr) {

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File mozilla-bmo1504834-part1.patch of Package LibreWolf

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