https://bugzilla.mozilla.org/show_bug.cgi?id=1626236 https://bug1626236.bmoattachments.org/attachment.cgi?id=9137096 # HG changeset patch # User msirringhaus@suse.de # Date 1582805876 -3600 # Thu Feb 27 13:17:56 2020 +0100 # Node ID cc3d09abea31068e57f1ab918782f9f86fc6a158 # Parent 9cd90914846f667f18babc491a74c164ae5d6e9f imported patch decoder_workaround.patch diff -r 9cd90914846f image/decoders/nsGIFDecoder2.cpp --- a/image/decoders/nsGIFDecoder2.cpp Thu Feb 27 12:57:14 2020 +0100 +++ b/image/decoders/nsGIFDecoder2.cpp Fri Mar 27 13:06:18 2020 +0100 @@ -422,6 +422,9 @@ MOZ_ASSERT(mSwizzleFn); uint8_t* data = reinterpret_cast(aColormap); mSwizzleFn(data, data, aColors); +#if MOZ_BIG_ENDIAN() + SwizzleRow(SurfaceFormat::A8R8G8B8, SurfaceFormat::B8G8R8A8)(data, data, aColors); +#endif } LexerResult nsGIFDecoder2::DoDecode(SourceBufferIterator& aIterator, diff -r 9cd90914846f image/decoders/nsJPEGDecoder.cpp --- a/image/decoders/nsJPEGDecoder.cpp Thu Feb 27 12:57:14 2020 +0100 +++ b/image/decoders/nsJPEGDecoder.cpp Fri Mar 27 13:06:18 2020 +0100 @@ -263,6 +263,9 @@ case JCS_YCbCr: // By default, we will output directly to BGRA. If we need to apply // special color transforms, this may change. +#if MOZ_BIG_ENDIAN() + mInfo.out_color_space = MOZ_JCS_EXT_NATIVE_ENDIAN_XRGB; +#else switch (SurfaceFormat::OS_RGBX) { case SurfaceFormat::B8G8R8X8: mInfo.out_color_space = JCS_EXT_BGRX; @@ -277,6 +280,7 @@ mState = JPEG_ERROR; return Transition::TerminateFailure(); } +#endif break; case JCS_CMYK: case JCS_YCCK: diff -r 9cd90914846f image/decoders/nsPNGDecoder.cpp --- a/image/decoders/nsPNGDecoder.cpp Thu Feb 27 12:57:14 2020 +0100 +++ b/image/decoders/nsPNGDecoder.cpp Fri Mar 27 13:06:18 2020 +0100 @@ -361,7 +361,7 @@ IResumable* aOnResume) { MOZ_ASSERT(!HasError(), "Shouldn't call DoDecode after error!"); - return mLexer.Lex(aIterator, aOnResume, + LexerResult res = mLexer.Lex(aIterator, aOnResume, [=](State aState, const char* aData, size_t aLength) { switch (aState) { case State::PNG_DATA: @@ -371,6 +371,14 @@ } MOZ_CRASH("Unknown State"); }); + +#if MOZ_BIG_ENDIAN() + if(res.is() && res.as() == TerminalState::SUCCESS) { + NativeEndian::swapToLittleEndianInPlace((uint32_t*)(mImageData), mImageDataLength / 4); + } +#endif + + return res; } LexerTransition nsPNGDecoder::ReadPNGData( diff -r 9cd90914846f image/decoders/nsWebPDecoder.cpp --- a/image/decoders/nsWebPDecoder.cpp Thu Feb 27 12:57:14 2020 +0100 +++ b/image/decoders/nsWebPDecoder.cpp Fri Mar 27 13:06:18 2020 +0100 @@ -237,7 +237,12 @@ // WebP doesn't guarantee that the alpha generated matches the hint in the // header, so we always need to claim the input is BGRA. If the output is // BGRX, swizzling will mask off the alpha channel. +#if MOZ_BIG_ENDIAN() + mBuffer.colorspace = MODE_ARGB; + SurfaceFormat inFormat = mFormat; +#else SurfaceFormat inFormat = SurfaceFormat::OS_RGBA; +#endif SurfacePipeFlags pipeFlags = SurfacePipeFlags(); if (mFormat == SurfaceFormat::OS_RGBA &&