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-rw-r--r--user/thunderbird/webrender.patch28
1 files changed, 28 insertions, 0 deletions
diff --git a/user/thunderbird/webrender.patch b/user/thunderbird/webrender.patch
new file mode 100644
index 000000000..cfc920cfd
--- /dev/null
+++ b/user/thunderbird/webrender.patch
@@ -0,0 +1,28 @@
+# HG changeset patch
+# User Petr Sumbera <petr.sumbera@oracle.com>
+# Date 1648114576 25200
+# Thu Mar 24 02:36:16 2022 -0700
+# Node ID 903e5f164c0ed424492eec6f388c03cbbcf99913
+# Parent 20d81e68da033746bf81acbb08490f16679853da
+Bug 1716707 [s390x] Software WebRender does not support big endian
+
+--- firefox-128.0/image/imgFrame.cpp
++++ firefox-128.0/image/imgFrame.cpp
+@@ -382,6 +382,17 @@ mAborted = true;
+ 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.