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update:yoga-caching-algorithm

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This commit is contained in:
admirsaheta
2024-07-11 11:12:39 +02:00
parent 5009f5c1ac
commit 97a4d50191
1 changed files with 26 additions and 40 deletions
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64
yoga/algorithm/Cache.cpp
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@@ -57,63 +57,49 @@ bool canUseCachedMeasurement(
const float marginColumn,
const yoga::Config* const config) {
if ((yoga::isDefined(lastComputedHeight) && lastComputedHeight < 0) ||
((yoga::isDefined(lastComputedWidth)) && lastComputedWidth < 0)) {
(yoga::isDefined(lastComputedWidth) && lastComputedWidth < 0)) {
return false;
}
const float pointScaleFactor = config->getPointScaleFactor();
bool useRoundedComparison = config != nullptr && pointScaleFactor != 0;
const float effectiveWidth = useRoundedComparison
? roundValueToPixelGrid(availableWidth, pointScaleFactor, false, false)
: availableWidth;
const float effectiveHeight = useRoundedComparison
? roundValueToPixelGrid(availableHeight, pointScaleFactor, false, false)
: availableHeight;
const float effectiveLastWidth = useRoundedComparison
? roundValueToPixelGrid(
lastAvailableWidth, pointScaleFactor, false, false)
: lastAvailableWidth;
const float effectiveLastHeight = useRoundedComparison
? roundValueToPixelGrid(
lastAvailableHeight, pointScaleFactor, false, false)
: lastAvailableHeight;
auto roundIfNeeded = [&](float value) {
return useRoundedComparison
? roundValueToPixelGrid(value, pointScaleFactor, false, false)
: value;
};
const float effectiveWidth = roundIfNeeded(availableWidth);
const float effectiveHeight = roundIfNeeded(availableHeight);
const float effectiveLastWidth = roundIfNeeded(lastAvailableWidth);
const float effectiveLastHeight = roundIfNeeded(lastAvailableHeight);
const bool hasSameWidthSpec = lastWidthMode == widthMode &&
yoga::inexactEquals(effectiveLastWidth, effectiveWidth);
const bool hasSameHeightSpec = lastHeightMode == heightMode &&
yoga::inexactEquals(effectiveLastHeight, effectiveHeight);
const float adjustedWidth = availableWidth - marginRow;
const float adjustedHeight = availableHeight - marginColumn;
const bool widthIsCompatible =
hasSameWidthSpec ||
sizeIsExactAndMatchesOldMeasuredSize(
widthMode, availableWidth - marginRow, lastComputedWidth) ||
widthMode, adjustedWidth, lastComputedWidth) ||
oldSizeIsMaxContentAndStillFits(
widthMode,
availableWidth - marginRow,
lastWidthMode,
lastComputedWidth) ||
widthMode, adjustedWidth, lastWidthMode, lastComputedWidth) ||
newSizeIsStricterAndStillValid(
widthMode,
availableWidth - marginRow,
lastWidthMode,
lastAvailableWidth,
lastComputedWidth);
widthMode, adjustedWidth, lastWidthMode, lastAvailableWidth, lastComputedWidth);
const bool heightIsCompatible = hasSameHeightSpec ||
const bool heightIsCompatible =
hasSameHeightSpec ||
sizeIsExactAndMatchesOldMeasuredSize(
heightMode,
availableHeight - marginColumn,
lastComputedHeight) ||
oldSizeIsMaxContentAndStillFits(heightMode,
availableHeight - marginColumn,
lastHeightMode,
lastComputedHeight) ||
newSizeIsStricterAndStillValid(heightMode,
availableHeight - marginColumn,
lastHeightMode,
lastAvailableHeight,
lastComputedHeight);
heightMode, adjustedHeight, lastComputedHeight) ||
oldSizeIsMaxContentAndStillFits(
heightMode, adjustedHeight, lastHeightMode, lastComputedHeight) ||
newSizeIsStricterAndStillValid(
heightMode, adjustedHeight, lastHeightMode, lastAvailableHeight, lastComputedHeight);
return widthIsCompatible && heightIsCompatible;
}