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diff -up firefox-78.0/gfx/2d/DrawTargetSkia.cpp.mozilla-bmo1504834-part1 firefox-78.0/gfx/2d/DrawTargetSkia.cpp
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--- firefox-78.0/gfx/2d/DrawTargetSkia.cpp.mozilla-bmo1504834-part1 2020-06-17 04:18:58.000000000 +0200
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+++ firefox-78.0/gfx/2d/DrawTargetSkia.cpp 2020-06-25 16:52:29.824532769 +0200
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@@ -135,8 +135,7 @@ static IntRect CalculateSurfaceBounds(co
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return surfaceBounds.Intersect(bounds);
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}
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-static const int kARGBAlphaOffset =
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- SurfaceFormat::A8R8G8B8_UINT32 == SurfaceFormat::B8G8R8A8 ? 3 : 0;
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+static const int kARGBAlphaOffset = 0; // Skia is always BGRA SurfaceFormat::A8R8G8B8_UINT32 == SurfaceFormat::B8G8R8A8 ? 3 : 0;
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static bool VerifyRGBXFormat(uint8_t* aData, const IntSize& aSize,
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const int32_t aStride, SurfaceFormat aFormat) {
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diff -up firefox-78.0/gfx/2d/Types.h.mozilla-bmo1504834-part1 firefox-78.0/gfx/2d/Types.h
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--- firefox-78.0/gfx/2d/Types.h.mozilla-bmo1504834-part1 2020-06-25 16:52:29.826532776 +0200
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+++ firefox-78.0/gfx/2d/Types.h 2020-06-25 16:55:02.942063616 +0200
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@@ -90,15 +90,8 @@ enum class SurfaceFormat : int8_t {
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// The following values are endian-independent synonyms. The _UINT32 suffix
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// indicates that the name reflects the layout when viewed as a uint32_t
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// value.
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-#if MOZ_LITTLE_ENDIAN()
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A8R8G8B8_UINT32 = B8G8R8A8, // 0xAARRGGBB
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X8R8G8B8_UINT32 = B8G8R8X8, // 0x00RRGGBB
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-#elif MOZ_BIG_ENDIAN()
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- A8R8G8B8_UINT32 = A8R8G8B8, // 0xAARRGGBB
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- X8R8G8B8_UINT32 = X8R8G8B8, // 0x00RRGGBB
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-#else
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-# error "bad endianness"
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-#endif
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// The following values are OS and endian-independent synonyms.
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//
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diff -up firefox-78.0/gfx/skia/skia/third_party/skcms/skcms.cc.mozilla-bmo1504834-part1 firefox-78.0/gfx/skia/skia/third_party/skcms/skcms.cc
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--- firefox-78.0/gfx/skia/skia/third_party/skcms/skcms.cc.mozilla-bmo1504834-part1 2020-06-17 04:18:58.000000000 +0200
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+++ firefox-78.0/gfx/skia/skia/third_party/skcms/skcms.cc 2020-06-25 16:54:02.993855444 +0200
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@@ -30,6 +30,8 @@
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#include <avx512fintrin.h>
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#include <avx512dqintrin.h>
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#endif
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+#else
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+ #define SKCMS_PORTABLE
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#endif
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// sizeof(x) will return size_t, which is 32-bit on some machines and 64-bit on others.
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@@ -280,20 +282,28 @@ enum {
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static uint16_t read_big_u16(const uint8_t* ptr) {
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uint16_t be;
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memcpy(&be, ptr, sizeof(be));
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-#if defined(_MSC_VER)
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- return _byteswap_ushort(be);
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+#if __BYTE_ORDER__ == __ORDER_BIG_ENDIAN__
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+ return be;
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#else
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+ #if defined(_MSC_VER)
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+ return _byteswap_ushort(be);
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+ #else
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return __builtin_bswap16(be);
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+ #endif
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#endif
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}
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static uint32_t read_big_u32(const uint8_t* ptr) {
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uint32_t be;
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memcpy(&be, ptr, sizeof(be));
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-#if defined(_MSC_VER)
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- return _byteswap_ulong(be);
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+#if __BYTE_ORDER == __ORDER_BIG_ENDIAN__
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+ return be;
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#else
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+ #if defined(_MSC_VER)
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+ return _byteswap_ulong(be);
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+ #else
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return __builtin_bswap32(be);
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+ #endif
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#endif
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}
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