зеркало из https://github.com/mozilla/gecko-dev.git
Bug 1236750 - Add a ViewAs() overload for casting (with a justification) one typed matrix to another. r=kats
--HG-- extra : source : 3a05e621ef86bff180ecb76592d24aee5000c1eb
This commit is contained in:
Родитель
b6ced4a261
Коммит
7715b8dfd0
|
@ -92,6 +92,19 @@ gfx::ScaleFactor<SourceUnits, NewTargetUnits> ViewTargetAs(
|
|||
PixelCastJustification) {
|
||||
return gfx::ScaleFactor<SourceUnits, NewTargetUnits>(aScaleFactor.scale);
|
||||
}
|
||||
// Unlike the other functions in this category, this function takes the
|
||||
// target matrix type, rather than its source and target unit types, as
|
||||
// the explicit template argument, so an example invocation is:
|
||||
// ViewAs<ScreenToLayerMatrix4x4>(otherTypedMatrix, justification)
|
||||
// The reason is that if it took the source and target unit types as two
|
||||
// template arguments, there may be some confusion as to which is the
|
||||
// source and which is the target.
|
||||
template <class TargetMatrix, class SourceMatrixSourceUnits, class SourceMatrixTargetUnits>
|
||||
TargetMatrix ViewAs(
|
||||
const gfx::Matrix4x4Typed<SourceMatrixSourceUnits, SourceMatrixTargetUnits>& aMatrix,
|
||||
PixelCastJustification) {
|
||||
return TargetMatrix::FromUnknownMatrix(aMatrix.ToUnknownMatrix());
|
||||
}
|
||||
|
||||
// Convenience functions for casting untyped entities to typed entities.
|
||||
// Using these functions does not require a justification, but once we convert
|
||||
|
|
Загрузка…
Ссылка в новой задаче