CSS Independent Transform Properties

Source/core/animation/KeyframeEffect.cpp

 /*
  * Copyright (C) 2013 Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are
  * met:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 224 matching lines @@
     m_sampledEffect = nullptr;
     if (sampledEffect)
         sampledEffect->clear();
 }
 #endif
 
 bool KeyframeEffect::isCandidateForAnimationOnCompositor(double animationPlaybackRate) const
 {
     if (!model()
         || !m_target
-        || (m_target->computedStyle() && m_target->computedStyle()->hasMotionPath()))
+        || (m_target->computedStyle() && (m_target->computedStyle()->hasMotionPath() || m_target->computedStyle()->hasTransformProperties())))
         return false;
 

[Eric Willigers, 2015/06/11 02:15:19]

applyEffects() also needs changing, in case 'transform' already has an animation
running on the compositor, and then a new property is set.

[soonm, 2015/06/11 23:31:03]

Done.

     return CompositorAnimations::instance()->isCandidateForAnimationOnCompositor(specifiedTiming(), *m_target, animation(), *model(), animationPlaybackRate);
 }
 
 bool KeyframeEffect::maybeStartAnimationOnCompositor(int group, double startTime, double currentTime, double animationPlaybackRate)
 {
     ASSERT(!hasActiveAnimationsOnCompositor());
     if (!isCandidateForAnimationOnCompositor(animationPlaybackRate))
         return false;
     if (!CompositorAnimations::instance()->canStartAnimationOnCompositor(*m_target))
         return false;
@@ skipping 74 matching lines @@
 
 DEFINE_TRACE(KeyframeEffect)
 {
     visitor->trace(m_target);
     visitor->trace(m_model);
     visitor->trace(m_sampledEffect);
     AnimationEffect::trace(visitor);
 }
 
 } // namespace blink