thunderbird/mozilla-bmo1504834-part1.patch

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# HG changeset patch
# Parent b5471d23321d16a0bacc25b7afd27d2e16adba1a
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
@@ -130,18 +130,17 @@ static IntRect CalculateSurfaceBounds(co
Rect sampledBounds = inverse.TransformBounds(*aBounds);
if (!sampledBounds.ToIntRect(&bounds)) {
return surfaceBounds;
}
return surfaceBounds.Intersect(bounds);
}
-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;
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
@@ -84,25 +84,18 @@ enum class SurfaceFormat : int8_t {
Depth,
// This represents the unknown format.
UNKNOWN,
// 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()
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/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>
#include <avx512fintrin.h>
#include <avx512dqintrin.h>
#endif
+#else
+ #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 uint16_t read_big_u16(const uint8_t* ptr) {
uint16_t be;
memcpy(&be, ptr, sizeof(be));
-#if defined(_MSC_VER)
+#if __BYTE_ORDER__ == __ORDER_BIG_ENDIAN__
+ return be;
+#else
+ #if defined(_MSC_VER)
return _byteswap_ushort(be);
-#else
+ #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)
+#if __BYTE_ORDER == __ORDER_BIG_ENDIAN__
+ return be;
+#else
+ #if defined(_MSC_VER)
return _byteswap_ulong(be);
-#else
+ #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) {