diff -r ba0c97b018a6 -r 2a24a948b5cf mozilla-bmo1504834-part1.patch
--- a/mozilla-bmo1504834-part1.patch	Mon Jun 05 21:17:55 2023 +0200
+++ b/mozilla-bmo1504834-part1.patch	Sat Jul 29 14:34:45 2023 +0200
@@ -1,43 +1,34 @@
 # HG changeset patch
-# Parent  37d8d8fc1d9e42887a736102ff9cdab24d7a9aa8
+# 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
-@@ -147,18 +147,17 @@ static IntRect CalculateSurfaceBounds(co
-   Rect sampledBounds = inverse.TransformBounds(*aBounds);
-   if (!sampledBounds.ToIntRect(&bounds)) {
-     return surfaceBounds;
-   }
- 
-   return surfaceBounds.Intersect(bounds);
+@@ -156,7 +156,8 @@ static IntRect CalculateSurfaceBounds(co
  }
  
--static const int kARGBAlphaOffset =
+ static const int kARGBAlphaOffset =
 -    SurfaceFormat::A8R8G8B8_UINT32 == SurfaceFormat::B8G8R8A8 ? 3 : 0;
-+static const int kARGBAlphaOffset = 0;  // Skia is always BGRA 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
-@@ -87,25 +87,18 @@ enum class SurfaceFormat : int8_t {
-   Depth,
- 
+@@ -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.
+-// 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()
@@ -49,20 +40,10 @@
  
    // 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/third_party/skcms/skcms.cc b/gfx/skia/skia/third_party/skcms/skcms.cc
---- a/gfx/skia/skia/third_party/skcms/skcms.cc
-+++ b/gfx/skia/skia/third_party/skcms/skcms.cc
-@@ -25,16 +25,18 @@
-         // 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>
+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
@@ -70,30 +51,21 @@
 +    #define SKCMS_PORTABLE
  #endif
  
- // sizeof(x) will return size_t, which is 32-bit on some machines and 64-bit on others.
- // We have better testing on 64-bit machines, so force 32-bit machines to behave like 64-bit.
- //
- // Please do not use sizeof() directly, and size_t only when required.
- // (We have no way of enforcing these requests...)
- #define SAFE_SIZEOF(x) ((uint64_t)sizeof(x))
-@@ -275,30 +277,38 @@ enum {
-     skcms_Signature_sf32 = 0x73663332,
-     // XYZ is also a PCS signature, so it's defined in skcms.h
-     // skcms_Signature_XYZ = 0x58595A20,
- };
- 
+ 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
+ #else
+-    return __builtin_bswap16(be);
 +    #if defined(_MSC_VER)
-     return _byteswap_ushort(be);
--#else
++     return _byteswap_ushort(be);
 +    #else
-     return __builtin_bswap16(be);
++     return __builtin_bswap16(be);
 +    #endif
  #endif
  }
@@ -102,20 +74,16 @@
      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
+ #else
+-    return __builtin_bswap32(be);
 +    #if defined(_MSC_VER)
-     return _byteswap_ulong(be);
--#else
++     return _byteswap_ulong(be);
 +    #else
-     return __builtin_bswap32(be);
++     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) {