File mozilla-bmo1511604.patch of Package MozillaThunderbird.13535

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File mozilla-bmo1511604.patch of Package MozillaThunderbird.13535

# HG changeset patch
# User A. Wilcox <AWilcox@Wilcox-Tech.com>
# Date 1543674229 0
#      Sat Dec 01 14:23:49 2018 +0000
# Node ID 0309ff19e46b126c527e633518d7de8570442114
# Parent  5b5a6a164acbd4da6131808bd12e42e7b0a33c2a
Bug 1511604 - Swizzle YCbCr->RGB data on big-endian machines
Taken from https://bugzilla.mozilla.org/show_bug.cgi?id=1511604

This is very closely related to mozilla-bmo1504834

Again, input for skia is swizzled to LE, as skia only understands LE.

diff -r 5b5a6a164acb gfx/ycbcr/YCbCrUtils.cpp
--- a/gfx/ycbcr/YCbCrUtils.cpp	Mon Sep 09 17:59:29 2019 +0200
+++ b/gfx/ycbcr/YCbCrUtils.cpp	Tue Sep 10 08:22:10 2019 +0200
@@ -3,7 +3,9 @@
  * License, v. 2.0. If a copy of the MPL was not distributed with this
  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
 
+#include "mozilla/EndianUtils.h"
 #include "gfx2DGlue.h"
+#include "mozilla/gfx/Swizzle.h"
 
 #include "YCbCrUtils.h"
 #include "yuv_convert.h"
@@ -236,6 +238,13 @@
                           yuvtype,
                           srcData.mYUVColorSpace);
   }
+#if MOZ_BIG_ENDIAN
+  // libyuv makes endian-correct result, which needs to be swapped to BGRX
+  if (aDestFormat != SurfaceFormat::R5G6B5_UINT16)
+    gfx::SwizzleData(aDestBuffer, aStride, gfx::SurfaceFormat::X8R8G8B8,
+                     aDestBuffer, aStride, gfx::SurfaceFormat::B8G8R8X8,
+                     srcData.mPicSize);
+#endif
 }
 
 void
@@ -257,6 +266,12 @@
                         aSrcStrideYA,
                         aSrcStrideUV,
                         aDstStrideARGB);
+#if MOZ_BIG_ENDIAN
+  // libyuv makes endian-correct result, which needs to be swapped to BGRA
+  gfx::SwizzleData(aDstARGB, aDstStrideARGB, gfx::SurfaceFormat::A8R8G8B8,
+                   aDstARGB, aDstStrideARGB, gfx::SurfaceFormat::B8G8R8A8,
+                   IntSize(aWidth, aHeight));
+#endif
 }
 
 } // namespace gfx

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File mozilla-bmo1511604.patch of Package MozillaThunderbird.13535

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