Backed out changeset a3eb3df78c8b (bug 1834079) for xpc crashes

dom/canvas/DrawTargetWebgl.cpp

@@ -3024,6 +3024,14 @@ bool DrawTargetWebgl::SharedContext::DrawPathAccel(
   }
   // Nudge the bounds to account for the quantization rounding.
   Rect quantBounds = Rect(intBounds) + (realOrigin - quantizedOrigin);
+  // If a stroke path covers too much screen area, it is likely that most is
+  // empty space in the interior. This usually imposes too high a cost versus
+  // just rasterizing without acceleration.
+  if (aStrokeOptions &&
+      intBounds.width * intBounds.height >
+          (mViewportSize.width / 2) * (mViewportSize.height / 2)) {
+    return false;
+  }
   // If the pattern is a solid color, then this will be used along with a path
   // mask to render the path, as opposed to baking the pattern into the cached
   // path texture.
@@ -3213,17 +3221,6 @@ bool DrawTargetWebgl::SharedContext::DrawPathAccel(
     }
   }
 
-  // If a stroke path covers too much screen area, it is likely that most is
-  // empty space in the interior. This usually imposes too high a cost versus
-  // just rasterizing without acceleration. Note that AA-Stroke generally
-  // produces more acceptable amounts of geometry for larger paths, so we do
-  // this heuristic after we attempt AA-Stroke.
-  if (aStrokeOptions &&
-      intBounds.width * intBounds.height >
-          (mViewportSize.width / 2) * (mViewportSize.height / 2)) {
-    return false;
-  }
-
   // If there isn't a valid texture handle, then we need to rasterize the
   // path in a software canvas and upload this to a texture. Solid color
   // patterns will be rendered as a path mask that can then be modulated

dom/encoding/test/reftest/reftest.list

@@ -1,5 +1,5 @@
 == bug863728-1.html bug863728-1-ref.html
-fuzzy(0-128,0-281) fuzzy-if(winWidget&&browserIsFission,47-137,211-251) == bug863728-2.html bug863728-2-ref.html # fission: bug 1717838
+fuzzy(0-1,0-10) fuzzy-if(winWidget&&browserIsFission,47-137,211-251) == bug863728-2.html bug863728-2-ref.html # fission: bug 1717838
 == bug863728-3.html bug863728-3-ref.html
 == bug945215-1.html bug945215-1-ref.html
-fuzzy(0-128,0-281) fuzzy-if(winWidget&&browserIsFission,47-137,211-251) == bug945215-2.html bug945215-2-ref.html # fission: bug 1717838
+fuzzy(0-1,0-10) fuzzy-if(winWidget&&browserIsFission,47-137,211-251) == bug945215-2.html bug945215-2-ref.html # fission: bug 1717838

layout/reftests/backgrounds/reftest.list

@@ -165,7 +165,7 @@ fuzzy(0-95,0-2206) == attachment-local-clipping-image-5.html attachment-local-cl
 fuzzy(0-109,0-908) fuzzy-if(geckoview&&device,64-64,2010-2830) == attachment-local-clipping-image-6.html attachment-local-clipping-image-6-ref.html
 
 fuzzy(0-1,0-84) == background-multiple-with-border-radius.html background-multiple-with-border-radius-ref.html
-fuzzy(0-74,0-49600) fails-if(useDrawSnapshot) == background-repeat-large-area.html background-repeat-large-area-ref.html # bug 1734383
+fuzzy(0-11,0-49600) fails-if(useDrawSnapshot) == background-repeat-large-area.html background-repeat-large-area-ref.html # bug 1734383
 
 fuzzy(0-31,0-474) fails-if(useDrawSnapshot) == background-tiling-zoom-1.html background-tiling-zoom-1-ref.html # drawSnapshot doesn't deal with zoom properly
 

layout/reftests/bugs/reftest.list

@@ -1166,7 +1166,7 @@ fails-if(Android) == 455826-1.html 455826-1-ref.html
 == chrome://reftest/content/bugs/456147.xhtml 456147-ref.html
 fuzzy(24-110,110-800) == 456219-1a.html 456219-1-ref.html # bug 1128229
 fuzzy(24-110,107-1251) == 456219-1b.html 456219-1-ref.html # bug 1128229
-fuzzy(24-110,107-3051) == 456219-1c.html 456219-1-ref.html # bug 1128229
+fuzzy(24-110,107-2940) == 456219-1c.html 456219-1-ref.html # bug 1128229
 fuzzy(0-10,0-8) == 456219-2.html 456219-2-ref.html
 == 456330-1.gif 456330-1-ref.png
 == 456484-1.html 456484-1-ref.html

layout/reftests/transform/reftest.list

@@ -165,7 +165,7 @@ test-pref(layout.animation.prerender.partial.jank,true) test-pref(layout.animati
 test-pref(layout.animation.prerender.partial.jank,true) test-pref(layout.animation.prerender.partial,true) test-pref(layout.animation.prerender.viewport-ratio-limit,"1.125") == partial-prerender-translate-4.html partial-prerender-expansion-ref.html
 # This reftest doesn't fail on WebRender, this reftest fails only if there is a jank mechanism and the mechanism does inproperly handle position:fixed scroll target
 test-pref(layout.animation.prerender.partial.jank,true) test-pref(layout.animation.prerender.partial,true) test-pref(layout.animation.prerender.viewport-ratio-limit,"1.125") == partial-prerender-translate-5.html partial-prerender-translate-5-ref.html
-skip-if(useDrawSnapshot) test-pref(layout.animation.prerender.partial.jank,true) test-pref(layout.animation.prerender.partial,true) test-pref(layout.animation.prerender.viewport-ratio-limit,"1.125") fuzzy(0-46,0-1250) fuzzy-if(Android,0-255,0-9900) random-if(gtkWidget&&isDebugBuild) random-if(useDrawSnapshot) == partial-prerender-translate-6.html partial-prerender-translate-6-ref.html
+random-if(useDrawSnapshot) test-pref(layout.animation.prerender.partial.jank,true) test-pref(layout.animation.prerender.partial,true) test-pref(layout.animation.prerender.viewport-ratio-limit,"1.125") fuzzy(0-46,0-1250) fuzzy-if(Android,0-255,0-9900) random-if(gtkWidget&&isDebugBuild) == partial-prerender-translate-6.html partial-prerender-translate-6-ref.html
 test-pref(layout.animation.prerender.partial.jank,true) test-pref(layout.animation.prerender.partial,true) test-pref(layout.animation.prerender.viewport-ratio-limit,"1.125") fuzzy(0-4,0-1200) == partial-prerender-translate-7.html partial-prerender-translate-2-ref.html
 # This reftest doesn't fail on WebRender, this reftest fails only if there is a jank mechanism and the mechanism doesn't properly clip transform in iframes.
 test-pref(layout.animation.prerender.partial.jank,true) test-pref(layout.animation.prerender.partial,true) test-pref(layout.animation.prerender.viewport-ratio-limit,"1.125") == partial-prerender-translate-8.html partial-prerender-translate-8-ref.html

testing/web-platform/meta/css/css-position/position-fixed-scroll-nested-fixed.html.ini

@@ -1,3 +1,3 @@
 [position-fixed-scroll-nested-fixed.html]
   expected:
-    if os == "android": [PASS, FAIL]
+    if os == "android": FAIL

testing/web-platform/meta/css/motion/offset-path-ray-contain-004.html.ini

@@ -1,3 +0,0 @@
-[offset-path-ray-contain-004.html]
-  fuzzy:
-    maxDifference=0-1;totalPixels=0-50

testing/web-platform/meta/resize-observer/devicepixel.html.ini

@@ -1,3 +0,0 @@
-[devicepixel.html]
-  fuzzy:
-    maxDifference=0-191;totalPixels=0-2188