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rlottie: Update DirtyMatrix only when needed.

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This commit is contained in:
subhransu mohanty 2019-06-26 10:53:44 +09:00 committed by Subhransu
parent 88593df18d
commit 75f9d3ff29
1 changed files with 17 additions and 13 deletions
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30
src/lottie/lottieitem.cpp
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@ -467,18 +467,20 @@ void LOTLayerItem::update(int frameNumber, const VMatrix &parentMatrix,
m *= parentMatrix;
// 3. update the dirty flag based on the change
if (!mCombinedMatrix.fuzzyCompare(m)) {
if (mCombinedMatrix != m) {
mDirtyFlag |= DirtyFlagBit::Matrix;
mCombinedMatrix = m;
}
if (!vCompare(mCombinedAlpha, alpha)) {
mDirtyFlag |= DirtyFlagBit::Alpha;
mCombinedAlpha = alpha;
}
mCombinedMatrix = m;
mCombinedAlpha = alpha;
// 4. update the mask
if (mLayerMask) {
mLayerMask->update(frameNo(), m, alpha, mDirtyFlag);
mLayerMask->update(frameNo(), mCombinedMatrix, mCombinedAlpha,
mDirtyFlag);
}
// 5. if no parent property change and layer is static then nothing to do.
@ -1034,28 +1036,30 @@ void LOTContentGroupItem::addChildren(LOTGroupData *data)
void LOTContentGroupItem::update(int frameNo, const VMatrix &parentMatrix,
float parentAlpha, const DirtyFlag &flag)
{
VMatrix m = parentMatrix;
float alpha = parentAlpha;
DirtyFlag newFlag = flag;
if (mData && mData->mTransform) {
// update the matrix and the flag
if ((flag & DirtyFlagBit::Matrix) || !mData->mTransform->isStatic()) {
VMatrix m = mData->mTransform->matrix(frameNo);
m *= parentMatrix;
if (!(flag & DirtyFlagBit::Matrix) && !mData->mTransform->isStatic() &&
(m != mMatrix)) {
newFlag |= DirtyFlagBit::Matrix;
}
m = mData->mTransform->matrix(frameNo);
m *= parentMatrix;
alpha *= mData->mTransform->opacity(frameNo);
mMatrix = m;
alpha *= mData->mTransform->opacity(frameNo);
if (!vCompare(alpha, parentAlpha)) {
newFlag |= DirtyFlagBit::Alpha;
}
} else {
mMatrix = parentMatrix;
}
mMatrix = m;
for (const auto &content : mContents) {
content->update(frameNo, m, alpha, newFlag);
content->update(frameNo, matrix(), alpha, newFlag);
}
}