determineFilterPrimitiveSubregion  346 Source/core/rendering/FilterEffectRenderer.cpp     filter->lastEffect()->determineFilterPrimitiveSubregion(MapRectForward);
determineFilterPrimitiveSubregion  215 Source/core/rendering/svg/RenderSVGResourceFilter.cpp     lastEffect->determineFilterPrimitiveSubregion(ClipToFilterRegion);
determineFilterPrimitiveSubregion  497 Source/platform/graphics/filters/FilterEffect.cpp         subregion = inputEffect(0)->determineFilterPrimitiveSubregion(flags);
determineFilterPrimitiveSubregion  499 Source/platform/graphics/filters/FilterEffect.cpp             subregion.unite(inputEffect(i)->determineFilterPrimitiveSubregion(flags));
determineFilterPrimitiveSubregion  175 Source/platform/graphics/filters/FilterEffect.h     FloatRect determineFilterPrimitiveSubregion(DetermineSubregionFlags = DetermineSubregionNone);