--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/svg-rendering.patch	Sun Jul 10 10:35:20 2022 +0200
@@ -0,0 +1,29 @@
+# HG changeset patch
+# User M. Sirringhaus <msirringhaus@suse.de>
+# Date 1645518286 -3600
+#      Tue Feb 22 09:24:46 2022 +0100
+# Node ID 81832d035e101471dcf52dd91de287268add7a91
+# Parent  66f7ce16eb4965108687280e5443edd610631efb
+imported patch svg-rendering.patch
+
+diff --git a/image/imgFrame.cpp b/image/imgFrame.cpp
+--- a/image/imgFrame.cpp
++++ b/image/imgFrame.cpp
+@@ -372,6 +372,17 @@ nsresult imgFrame::InitWithDrawable(gfxD
+     return NS_ERROR_OUT_OF_MEMORY;
+   }
+ 
++#if MOZ_BIG_ENDIAN()
++  if (aBackend == gfx::BackendType::SKIA && canUseDataSurface) {
++      // SKIA is lying about what format it returns on big endian
++      for (int ii=0; ii < mRawSurface->GetSize().Height()*mRawSurface->Stride() / 4; ++ii) {
++        uint32_t *vals = (uint32_t*)(mRawSurface->GetData());
++        uint32_t val = ((vals[ii] << 8) & 0xFF00FF00 ) | ((vals[ii] >> 8) & 0xFF00FF );
++        vals[ii] = (val << 16) | (val >> 16);
++      }
++  }
++#endif
++
+   if (!canUseDataSurface) {
+     // We used an offscreen surface, which is an "optimized" surface from
+     // imgFrame's perspective.