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From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: "A. Wilcox" <AWilcox@Wilcox-Tech.com>
Date: Thu, 29 Nov 2018 14:50:37 -0600
Subject: [PATCH] Bug 1504834 - Rough progress patch
https://bugzilla.mozilla.org/show_bug.cgi?id=1504834#c5
---
gfx/2d/DrawTargetSkia.cpp | 3 +--
gfx/2d/Types.h | 7 -------
gfx/skia/skia/third_party/skcms/skcms.cc | 18 ++++++++++++++----
3 files changed, 15 insertions(+), 13 deletions(-)
diff --git a/gfx/2d/DrawTargetSkia.cpp b/gfx/2d/DrawTargetSkia.cpp
index 04ee0c652db516bc03af19cf5e1b1e28e5a5f85e..e138a4e290af1293cc355b32c636a6073bf9d1dc 100644
--- a/gfx/2d/DrawTargetSkia.cpp
+++ b/gfx/2d/DrawTargetSkia.cpp
@@ -152,8 +152,7 @@ static IntRect CalculateSurfaceBounds(const IntSize& aSize, const Rect* aBounds,
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) {
diff --git a/gfx/2d/Types.h b/gfx/2d/Types.h
index fc3a910daa3c4c9ee2dc70375cbbb6dfb80b84ef..2c16a9a01ca2791a610cb498d0539772c817a9a5 100644
--- a/gfx/2d/Types.h
+++ b/gfx/2d/Types.h
@@ -92,15 +92,8 @@ enum class SurfaceFormat : int8_t {
// 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.
//
diff --git a/gfx/skia/skia/third_party/skcms/skcms.cc b/gfx/skia/skia/third_party/skcms/skcms.cc
index 6b4d87b15df9353f5d596f88749507c9b4efef78..7c0559d2679038e8cb79aed993f9656d978e8f6b 100644
--- a/gfx/skia/skia/third_party/skcms/skcms.cc
+++ b/gfx/skia/skia/third_party/skcms/skcms.cc
@@ -30,6 +30,8 @@
#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.
@@ -280,20 +282,28 @@ 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
+ #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
+ #if defined(_MSC_VER)
+ return _byteswap_ulong(be);
+ #else
return __builtin_bswap32(be);
+ #endif
#endif
}
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