From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: "M. Sirringhaus" <msirringhaus@suse.de>
Date: Tue, 22 Feb 2022 09:24:46 +0100
Subject: [PATCH] imported patch svg-rendering.patch

---
 image/imgFrame.cpp | 11 +++++++++++
 1 file changed, 11 insertions(+)

diff --git a/image/imgFrame.cpp b/image/imgFrame.cpp
index 0df40fcfa93c6c33ab4440427e6471860ab2f247..42881901004a6106f7402eb08b4af09296540654 100644
--- a/image/imgFrame.cpp
+++ b/image/imgFrame.cpp
@@ -372,6 +372,17 @@ nsresult imgFrame::InitWithDrawable(gfxDrawable* aDrawable,
     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.