Backed out changeset fa3496e5bb76 (bug 1732726) for causing multiple failures on win webrender. CLOSED TREE

modules/libpref/init/all.js

@@ -663,11 +663,12 @@ pref("gfx.webrender.debug.capture-profiler", false);
 pref("gfx.webrender.debug.profiler-ui", "Default");
 
 pref("gfx.webrender.multithreading", true);
-pref("gfx.webrender.pbo-uploads", true);
 #ifdef XP_WIN
+pref("gfx.webrender.pbo-uploads", false);
 pref("gfx.webrender.batched-texture-uploads", true);
 pref("gfx.webrender.draw-calls-for-texture-copy", true);
 #else
+pref("gfx.webrender.pbo-uploads", true);
 pref("gfx.webrender.batched-texture-uploads", false);
 pref("gfx.webrender.draw-calls-for-texture-copy", false);
 #endif