diff --git a/.gitignore b/.gitignore
index 4e900ce..b9ae0c5 100644
--- a/.gitignore
+++ b/.gitignore
@@ -3,3 +3,4 @@ CMakeFiles/
 CMakeCache.txt
 .ccls-cache/
 compile_commands.json
+.vim/
diff --git a/.vim/session b/.vim/session
deleted file mode 100644
index 7097a42..0000000
--- a/.vim/session
+++ /dev/null
@@ -1,134 +0,0 @@
-let SessionLoad = 1
-let s:so_save = &g:so | let s:siso_save = &g:siso | setg so=0 siso=0 | setl so=-1 siso=-1
-let v:this_session=expand("<sfile>:p")
-silent only
-silent tabonly
-cd ~/dprog/Active/inferno-hart
-if expand('%') == '' && !&modified && line('$') <= 1 && getline(1) == ''
-  let s:wipebuf = bufnr('%')
-endif
-let s:shortmess_save = &shortmess
-if &shortmess =~ 'A'
-  set shortmess=aoOA
-else
-  set shortmess=aoO
-endif
-badd +1 ~/dprog/Active/inferno-hart
-badd +330 src/inferno.cpp
-badd +92 hart/inferno-hart-cpu/src/main.cpp
-badd +107 src/renderer/renderer.cpp
-badd +23 src/renderer/ray_source.cpp
-badd +88 libhart/inferno_hart.hpp
-badd +27 hart/inferno-hart-opencl/src/main.cpp
-argglobal
-%argdel
-$argadd ~/dprog/Active/inferno-hart
-edit src/renderer/renderer.cpp
-let s:save_splitbelow = &splitbelow
-let s:save_splitright = &splitright
-set splitbelow splitright
-wincmd _ | wincmd |
-vsplit
-1wincmd h
-wincmd w
-wincmd _ | wincmd |
-split
-1wincmd k
-wincmd w
-let &splitbelow = s:save_splitbelow
-let &splitright = s:save_splitright
-wincmd t
-let s:save_winminheight = &winminheight
-let s:save_winminwidth = &winminwidth
-set winminheight=0
-set winheight=1
-set winminwidth=0
-set winwidth=1
-wincmd =
-argglobal
-balt src/renderer/ray_source.cpp
-setlocal fdm=manual
-setlocal fde=0
-setlocal fmr={{{,}}}
-setlocal fdi=#
-setlocal fdl=0
-setlocal fml=1
-setlocal fdn=20
-setlocal fen
-silent! normal! zE
-let &fdl = &fdl
-let s:l = 107 - ((58 * winheight(0) + 51) / 103)
-if s:l < 1 | let s:l = 1 | endif
-keepjumps exe s:l
-normal! zt
-keepjumps 107
-normal! 033|
-lcd ~/dprog/Active/inferno-hart
-wincmd w
-argglobal
-if bufexists(fnamemodify("~/dprog/Active/inferno-hart/hart/inferno-hart-cpu/src/main.cpp", ":p")) | buffer ~/dprog/Active/inferno-hart/hart/inferno-hart-cpu/src/main.cpp | else | edit ~/dprog/Active/inferno-hart/hart/inferno-hart-cpu/src/main.cpp | endif
-if &buftype ==# 'terminal'
-  silent file ~/dprog/Active/inferno-hart/hart/inferno-hart-cpu/src/main.cpp
-endif
-balt ~/dprog/Active/inferno-hart/libhart/inferno_hart.hpp
-setlocal fdm=manual
-setlocal fde=0
-setlocal fmr={{{,}}}
-setlocal fdi=#
-setlocal fdl=0
-setlocal fml=1
-setlocal fdn=20
-setlocal fen
-silent! normal! zE
-let &fdl = &fdl
-let s:l = 92 - ((14 * winheight(0) + 30) / 61)
-if s:l < 1 | let s:l = 1 | endif
-keepjumps exe s:l
-normal! zt
-keepjumps 92
-normal! 012|
-lcd ~/dprog/Active/inferno-hart
-wincmd w
-argglobal
-if bufexists(fnamemodify("~/dprog/Active/inferno-hart/libhart/inferno_hart.hpp", ":p")) | buffer ~/dprog/Active/inferno-hart/libhart/inferno_hart.hpp | else | edit ~/dprog/Active/inferno-hart/libhart/inferno_hart.hpp | endif
-if &buftype ==# 'terminal'
-  silent file ~/dprog/Active/inferno-hart/libhart/inferno_hart.hpp
-endif
-balt ~/dprog/Active/inferno-hart/hart/inferno-hart-cpu/src/main.cpp
-setlocal fdm=manual
-setlocal fde=0
-setlocal fmr={{{,}}}
-setlocal fdi=#
-setlocal fdl=0
-setlocal fml=1
-setlocal fdn=20
-setlocal fen
-silent! normal! zE
-let &fdl = &fdl
-let s:l = 83 - ((12 * winheight(0) + 20) / 40)
-if s:l < 1 | let s:l = 1 | endif
-keepjumps exe s:l
-normal! zt
-keepjumps 83
-normal! 056|
-lcd ~/dprog/Active/inferno-hart
-wincmd w
-wincmd =
-tabnext 1
-if exists('s:wipebuf') && len(win_findbuf(s:wipebuf)) == 0 && getbufvar(s:wipebuf, '&buftype') isnot# 'terminal'
-  silent exe 'bwipe ' . s:wipebuf
-endif
-unlet! s:wipebuf
-set winheight=1 winwidth=20
-let &shortmess = s:shortmess_save
-let &winminheight = s:save_winminheight
-let &winminwidth = s:save_winminwidth
-let s:sx = expand("<sfile>:p:r")."x.vim"
-if filereadable(s:sx)
-  exe "source " . fnameescape(s:sx)
-endif
-let &g:so = s:so_save | let &g:siso = s:siso_save
-set hlsearch
-doautoall SessionLoadPost
-unlet SessionLoad
-" vim: set ft=vim :
diff --git a/hart/inferno-hart-cpu/src/main.cpp b/hart/inferno-hart-cpu/src/main.cpp
index 3a727ab..86adfd4 100644
--- a/hart/inferno-hart-cpu/src/main.cpp
+++ b/hart/inferno-hart-cpu/src/main.cpp
@@ -40,13 +40,14 @@ public:
 
     void start() override 
     {
+        
     }
     
     void pause() override
     {
     }
 
-    void stop() override
+    void stop(bool interrupt) override
     {
     }
 
diff --git a/hart/inferno-hart-opencl/src/main.cpp b/hart/inferno-hart-opencl/src/main.cpp
index 6383ced..6246b79 100644
--- a/hart/inferno-hart-opencl/src/main.cpp
+++ b/hart/inferno-hart-opencl/src/main.cpp
@@ -32,7 +32,7 @@ public:
     {
     }
 
-    void stop() override
+    void stop(bool interrupt) override
     {
     }
 };
diff --git a/src/inferno.cpp b/src/inferno.cpp
index 1a5eb92..b7165a2 100644
--- a/src/inferno.cpp
+++ b/src/inferno.cpp
@@ -132,7 +132,7 @@ int Inferno::run()
 
     Mesh cornell;
     cornell.loadOBJ("res/cornell-box.obj");
-    // cornell.loadOBJ("res/sponza.obj");
+    //cornell.loadOBJ("res/sponza.obj");
     cornell.ready();
     cornell.setMaterial(&basicMaterial);
     mScene->addMesh(&cornell);
@@ -327,4 +327,4 @@ int Inferno::run()
     }
 
     return 0;
-}
\ No newline at end of file
+}