AA branch: Minor optimisation merge + thickness for non-aa strokes.
AA branch: Minor optimisation merge + thickness for non-aa strokes.

elect86/imgui,ggtucker/imgui,tpoechtrager/imgui,ggtucker/imgui,sakishum/imgui,wflohry/imgui-addons,ghassanpl/imgui,Flix01/imgui,bagobor/imgui,GHF/imgui,luiseduardohdbackup/imgui,shaggytwodope/imgui,bkaradzic/imgui,zho7611/imgui,andresv/imgui,burningreggae/imgui,rxantos/imgui,ocornut/imgui,GHF/imgui,thevaber/imgui,dougbinks/imgui,nmlgc/imgui,aimotive/imgui-glfw,wangshijin/imgui,ocornut/imgui,cmaughan/imgui,thennequin/imgui,neshume/imgui,sakishum/imgui,gyakoo/imgui,aimotive/imgui-glfw,tom-seddon/imgui,rmoorman/imgui,ghassanpl/imgui,benoitjacquier/imgui,emoon/imgui,xythobuz/imgui,usagi/imguixx,ocornut/imgui,mikesart/imgui,emoon/imgui,rmoorman/imgui,nProtect/imgui,xunmengfeng/imgui,bagobor/imgui,mikesart/imgui,twigletguy/imgui,kylawl/imgui,bkaradzic/imgui,Psybrus/imgui,redblobgames/imgui,xythobuz/imgui,kylawl/imgui,wasikuss/imgui,wangshijin/imgui,seanmiddleditch/imgui,nProtect/imgui,cmaughan/imgui,dougbinks/imgui,neshume/imgui,benoitjacquier/imgui,twigletguy/imgui,redblobgames/imgui,ggtucker/imgui,tom-seddon/imgui,Psybrus/imgui,bkaradzic/imgui,Pagghiu/imgui,tpoechtrager/imgui,nmlgc/imgui,nProtect/imgui,Flix01/imgui,Flix01/imgui,luiseduardohdbackup/imgui,burningreggae/imgui,andresv/imgui,wasikuss/imgui,wflohry/imgui-addons,seanmiddleditch/imgui,cmaughan/imgui,xunmengfeng/imgui,shaggytwodope/imgui,zho7611/imgui,elect86/imgui,thevaber/imgui,cmaughan/imgui,thennequin/imgui,usagi/imguixx,Pagghiu/imgui,gyakoo/imgui,rxantos/imgui