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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 float marginColumn,
const yoga::Config* const config) { const yoga::Config* const config) {
if ((yoga::isDefined(lastComputedHeight) && lastComputedHeight < 0) || if ((yoga::isDefined(lastComputedHeight) && lastComputedHeight < 0) ||
((yoga::isDefined(lastComputedWidth)) && lastComputedWidth < 0)) { (yoga::isDefined(lastComputedWidth) && lastComputedWidth < 0)) {
return false; return false;
} }
const float pointScaleFactor = config->getPointScaleFactor(); const float pointScaleFactor = config->getPointScaleFactor();
bool useRoundedComparison = config != nullptr && pointScaleFactor != 0; bool useRoundedComparison = config != nullptr && pointScaleFactor != 0;
const float effectiveWidth = useRoundedComparison
? roundValueToPixelGrid(availableWidth, pointScaleFactor, false, false) auto roundIfNeeded = [&](float value) {
: availableWidth; return useRoundedComparison
const float effectiveHeight = useRoundedComparison ? roundValueToPixelGrid(value, pointScaleFactor, false, false)
? roundValueToPixelGrid(availableHeight, pointScaleFactor, false, false) : value;
: availableHeight; };
const float effectiveLastWidth = useRoundedComparison
? roundValueToPixelGrid( const float effectiveWidth = roundIfNeeded(availableWidth);
lastAvailableWidth, pointScaleFactor, false, false) const float effectiveHeight = roundIfNeeded(availableHeight);
: lastAvailableWidth; const float effectiveLastWidth = roundIfNeeded(lastAvailableWidth);
const float effectiveLastHeight = useRoundedComparison const float effectiveLastHeight = roundIfNeeded(lastAvailableHeight);
? roundValueToPixelGrid(
lastAvailableHeight, pointScaleFactor, false, false)
: lastAvailableHeight;
const bool hasSameWidthSpec = lastWidthMode == widthMode && const bool hasSameWidthSpec = lastWidthMode == widthMode &&
yoga::inexactEquals(effectiveLastWidth, effectiveWidth); yoga::inexactEquals(effectiveLastWidth, effectiveWidth);
const bool hasSameHeightSpec = lastHeightMode == heightMode && const bool hasSameHeightSpec = lastHeightMode == heightMode &&
yoga::inexactEquals(effectiveLastHeight, effectiveHeight); yoga::inexactEquals(effectiveLastHeight, effectiveHeight);
const float adjustedWidth = availableWidth - marginRow;
const float adjustedHeight = availableHeight - marginColumn;
const bool widthIsCompatible = const bool widthIsCompatible =
hasSameWidthSpec || hasSameWidthSpec ||
sizeIsExactAndMatchesOldMeasuredSize( sizeIsExactAndMatchesOldMeasuredSize(
widthMode, availableWidth - marginRow, lastComputedWidth) || widthMode, adjustedWidth, lastComputedWidth) ||
oldSizeIsMaxContentAndStillFits( oldSizeIsMaxContentAndStillFits(
widthMode, widthMode, adjustedWidth, lastWidthMode, lastComputedWidth) ||
availableWidth - marginRow,
lastWidthMode,
lastComputedWidth) ||
newSizeIsStricterAndStillValid( newSizeIsStricterAndStillValid(
widthMode, widthMode, adjustedWidth, lastWidthMode, lastAvailableWidth, lastComputedWidth);
availableWidth - marginRow,
lastWidthMode,
lastAvailableWidth,
lastComputedWidth);
const bool heightIsCompatible = hasSameHeightSpec || const bool heightIsCompatible =
hasSameHeightSpec ||
sizeIsExactAndMatchesOldMeasuredSize( sizeIsExactAndMatchesOldMeasuredSize(
heightMode, heightMode, adjustedHeight, lastComputedHeight) ||
availableHeight - marginColumn, oldSizeIsMaxContentAndStillFits(
lastComputedHeight) || heightMode, adjustedHeight, lastHeightMode, lastComputedHeight) ||
oldSizeIsMaxContentAndStillFits(heightMode, newSizeIsStricterAndStillValid(
availableHeight - marginColumn, heightMode, adjustedHeight, lastHeightMode, lastAvailableHeight, lastComputedHeight);
lastHeightMode,
lastComputedHeight) ||
newSizeIsStricterAndStillValid(heightMode,
availableHeight - marginColumn,
lastHeightMode,
lastAvailableHeight,
lastComputedHeight);
return widthIsCompatible && heightIsCompatible; return widthIsCompatible && heightIsCompatible;
} }