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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
--- image/decoders/nsGIFDecoder2.cpp Thu Feb 27 12:57:14 2020 +0100
+++ image/decoders/nsGIFDecoder2.cpp Fri Mar 27 13:06:18 2020 +0100
@@ -422,6 +422,9 @@
MOZ_ASSERT(mSwizzleFn);
uint8_t* data = reinterpret_cast<uint8_t*>(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
--- image/decoders/nsJPEGDecoder.cpp Thu Feb 27 12:57:14 2020 +0100
+++ 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
--- image/decoders/nsPNGDecoder.cpp Thu Feb 27 12:57:14 2020 +0100
+++ 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<TerminalState>() && res.as<TerminalState>() == TerminalState::SUCCESS) {
+ NativeEndian::swapToLittleEndianInPlace<uint32_t>((uint32_t*)(mImageData), mImageDataLength / 4);
+ }
+#endif
+
+ return res;
}
LexerTransition<nsPNGDecoder::State> nsPNGDecoder::ReadPNGData(
diff -r 9cd90914846f image/decoders/nsWebPDecoder.cpp
--- image/decoders/nsWebPDecoder.cpp Thu Feb 27 12:57:14 2020 +0100
+++ 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 &&
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