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Columns: ImDrawList::Channels* functions now work inside columns.

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Use a private splitter in columns, paving way for removal of obsolete ImDrawList::Channels* functions.
This commit is contained in:
Rokas Kupstys
2020-01-29 16:14:58 +02:00
committed by omar
parent 05a49f0413
commit 9cff4d6e5e
5 changed files with 16 additions and 10 deletions
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7
imgui.h
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@@ -1987,8 +1987,11 @@ struct ImDrawList
IMGUI_API ImDrawList* CloneOutput() const; // Create a clone of the CmdBuffer/IdxBuffer/VtxBuffer.
// Advanced: Channels
// - Use to split render into layers. By switching channels to can render out-of-order (e.g. submit foreground primitives before background primitives)
// - Use to minimize draw calls (e.g. if going back-and-forth between multiple non-overlapping clipping rectangles, prefer to append into separate channels then merge at the end)
// - Use to split render into layers. By switching channels to can render out-of-order (e.g. submit FG primitives before BG primitives)
// - Use to minimize draw calls (e.g. if going back-and-forth between multiple clipping rectangles, prefer to append into separate channels then merge at the end)
// - FIXME-OBSOLETE: This API shouldn't have been in ImDrawList in the first place!
// Prefer using your own persistent copy of ImDrawListSplitter as you can stack them.
// Using the ImDrawList::ChannelsXXXX you cannot stack a split over another.
inline void ChannelsSplit(int count) { _Splitter.Split(this, count); }
inline void ChannelsMerge() { _Splitter.Merge(this); }
inline void ChannelsSetCurrent(int n) { _Splitter.SetCurrentChannel(this, n); }