bool CompositorAnimations::startAnimationOnCompositor(const Element& element, int group, double startTime, double timeOffset, const Timing& timing, const AnimationPlayer& player, const AnimationEffect& effect, Vector<int>& startedAnimationIds, double playerPlaybackRate)
{
ASSERT(startedAnimationIds.isEmpty());
ASSERT(isCandidateForAnimationOnCompositor(timing, element, &player, effect, playerPlaybackRate));
ASSERT(canStartAnimationOnCompositor(element));
const KeyframeEffectModelBase& keyframeEffect = toKeyframeEffectModelBase(effect);
DeprecatedPaintLayer* layer = toLayoutBoxModelObject(element.layoutObject())->layer();
ASSERT(layer);
Vector<OwnPtr<WebCompositorAnimation>> animations;
CompositorAnimationsImpl::getAnimationOnCompositor(timing, group, startTime, timeOffset, keyframeEffect, animations, playerPlaybackRate);
ASSERT(!animations.isEmpty());
for (auto& animation : animations) {
int id = animation->id();
if (RuntimeEnabledFeatures::compositorAnimationTimelinesEnabled()) {
WebCompositorAnimationPlayer* compositorPlayer = player.compositorPlayer();
ASSERT(compositorPlayer);
compositorPlayer->addAnimation(animation.leakPtr());
} else if (!layer->compositedDeprecatedPaintLayerMapping()->mainGraphicsLayer()->addAnimation(animation.release())) {
// FIXME: We should know ahead of time whether these animations can be started.
for (int startedAnimationId : startedAnimationIds)
cancelAnimationOnCompositor(element, player, startedAnimationId);
startedAnimationIds.clear();
return false;
}
startedAnimationIds.append(id);
}
ASSERT(!startedAnimationIds.isEmpty());
return true;
}
bool CompositorAnimations::startAnimationOnCompositor(const Element& element, const Timing& timing, const AnimationEffect& effect, Vector<int>& startedAnimationIds)
{
ASSERT(startedAnimationIds.isEmpty());
ASSERT(isCandidateForAnimationOnCompositor(timing, effect));
ASSERT(canStartAnimationOnCompositor(element));
const KeyframeEffectModel& keyframeEffect = *toKeyframeEffectModel(&effect);
RenderLayer* layer = toRenderBoxModelObject(element.renderer())->layer();
ASSERT(layer);
Vector<OwnPtr<blink::WebAnimation> > animations;
CompositorAnimationsImpl::getAnimationOnCompositor(timing, keyframeEffect, animations);
ASSERT(!animations.isEmpty());
for (size_t i = 0; i < animations.size(); ++i) {
int id = animations[i]->id();
if (!layer->compositedLayerMapping()->mainGraphicsLayer()->addAnimation(animations[i].release())) {
// FIXME: We should know ahead of time whether these animations can be started.
for (size_t j = 0; j < startedAnimationIds.size(); ++j)
cancelAnimationOnCompositor(element, startedAnimationIds[j]);
startedAnimationIds.clear();
return false;
}
startedAnimationIds.append(id);
}
ASSERT(!startedAnimationIds.isEmpty());
return true;
}
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;
if (!CompositorAnimations::instance()->startAnimationOnCompositor(*m_target, group, startTime, currentTime, specifiedTiming(), *animation(), *model(), m_compositorAnimationIds, animationPlaybackRate))
return false;
ASSERT(!m_compositorAnimationIds.isEmpty());
return true;
}
bool Animation::maybeStartAnimationOnCompositor(double startTime, double currentTime)
{
ASSERT(!hasActiveAnimationsOnCompositor());
if (!isCandidateForAnimationOnCompositor())
return false;
if (!CompositorAnimations::instance()->canStartAnimationOnCompositor(*m_target))
return false;
if (!CompositorAnimations::instance()->startAnimationOnCompositor(*m_target, startTime, currentTime, specifiedTiming(), *effect(), m_compositorAnimationIds))
return false;
ASSERT(!m_compositorAnimationIds.isEmpty());
return true;
}
bool Animation::maybeStartAnimationOnCompositor()
{
ASSERT(!hasActiveAnimationsOnCompositor());
if (!isCandidateForAnimationOnCompositor())
return false;
if (!CompositorAnimations::instance()->canStartAnimationOnCompositor(*m_target.get()))
return false;
if (!CompositorAnimations::instance()->startAnimationOnCompositor(*m_target.get(), specified(), *effect(), m_compositorAnimationIds))
return false;
ASSERT(!m_compositorAnimationIds.isEmpty());
return true;
}
bool Animation::preCommit(int compositorGroup, bool startOnCompositor)
{
PlayStateUpdateScope updateScope(*this, TimingUpdateOnDemand, DoNotSetCompositorPending);
bool softChange = m_compositorState && (paused() || m_compositorState->playbackRate != m_playbackRate);
bool hardChange = m_compositorState && (m_compositorState->effectChanged || m_compositorState->startTime != m_startTime);
// FIXME: softChange && !hardChange should generate a Pause/ThenStart,
// not a Cancel, but we can't communicate these to the compositor yet.
bool changed = softChange || hardChange;
bool shouldCancel = (!playing() && m_compositorState) || changed;
bool shouldStart = playing() && (!m_compositorState || changed);
if (startOnCompositor && shouldCancel && shouldStart && m_compositorState && m_compositorState->pendingAction == Start) {
// Restarting but still waiting for a start time.
return false;
}
if (shouldCancel) {
cancelAnimationOnCompositor();
m_compositorState = nullptr;
}
ASSERT(!m_compositorState || !std::isnan(m_compositorState->startTime));
if (!shouldStart) {
m_currentTimePending = false;
}
if (shouldStart) {
m_compositorGroup = compositorGroup;
if (startOnCompositor) {
if (isCandidateForAnimationOnCompositor())
createCompositorPlayer();
if (maybeStartAnimationOnCompositor())
m_compositorState = adoptPtr(new CompositorState(*this));
else
cancelIncompatibleAnimationsOnCompositor();
}
}
return true;
}