Index: OpenGLGame.vcxproj.filters
===================================================================
--- OpenGLGame.vcxproj.filters	(revision ca188cc7ea4ef98087537c5eda6b1e7f8b9c6481)
+++ OpenGLGame.vcxproj.filters	(revision ca188cc7ea4ef98087537c5eda6b1e7f8b9c6481)
@@ -0,0 +1,140 @@
+<?xml version="1.0" encoding="utf-8"?>
+<Project ToolsVersion="4.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
+  <ItemGroup>
+    <Filter Include="Source Files">
+      <UniqueIdentifier>{4FC737F1-C7A5-4376-A066-2A32D752A2FF}</UniqueIdentifier>
+      <Extensions>cpp;c;cc;cxx;def;odl;idl;hpj;bat;asm;asmx</Extensions>
+    </Filter>
+    <Filter Include="Header Files">
+      <UniqueIdentifier>{93995380-89BD-4b04-88EB-625FBE52EBFB}</UniqueIdentifier>
+      <Extensions>h;hh;hpp;hxx;hm;inl;inc;ipp;xsd</Extensions>
+    </Filter>
+    <Filter Include="Resource Files">
+      <UniqueIdentifier>{67DA6AB6-F800-4c08-8B7A-83BB121AAD01}</UniqueIdentifier>
+      <Extensions>rc;ico;cur;bmp;dlg;rc2;rct;bin;rgs;gif;jpg;jpeg;jpe;resx;tiff;tif;png;wav;mfcribbon-ms</Extensions>
+    </Filter>
+    <Filter Include="IMGUI">
+      <UniqueIdentifier>{c5c99ff3-f3a2-4092-9b67-26fb2ccf8ad4}</UniqueIdentifier>
+    </Filter>
+    <Filter Include="gl-shaders">
+      <UniqueIdentifier>{e72d7d4c-6500-4da0-904f-00b51b8b3b46}</UniqueIdentifier>
+    </Filter>
+  </ItemGroup>
+  <ItemGroup>
+    <ClCompile Include="main-opengl.cpp">
+      <Filter>Source Files</Filter>
+    </ClCompile>
+    <ClCompile Include="crash-logger.cpp">
+      <Filter>Source Files</Filter>
+    </ClCompile>
+    <ClCompile Include="FileStackWalker.cpp">
+      <Filter>Source Files</Filter>
+    </ClCompile>
+    <ClCompile Include="StackWalker.cpp">
+      <Filter>Source Files</Filter>
+    </ClCompile>
+    <ClCompile Include="opengl-game.cpp">
+      <Filter>Source Files</Filter>
+    </ClCompile>
+    <ClCompile Include="game-gui-glfw.cpp">
+      <Filter>Source Files</Filter>
+    </ClCompile>
+    <ClCompile Include="logger.cpp">
+      <Filter>Source Files</Filter>
+    </ClCompile>
+    <ClCompile Include="IMGUI\imgui.cpp">
+      <Filter>IMGUI</Filter>
+    </ClCompile>
+    <ClCompile Include="IMGUI\imgui_draw.cpp">
+      <Filter>IMGUI</Filter>
+    </ClCompile>
+    <ClCompile Include="IMGUI\imgui_demo.cpp">
+      <Filter>IMGUI</Filter>
+    </ClCompile>
+    <ClCompile Include="imgui_impl_glfw_gl3.cpp">
+      <Filter>Source Files</Filter>
+    </ClCompile>
+    <ClCompile Include="graphics-pipeline_opengl.cpp">
+      <Filter>Source Files</Filter>
+    </ClCompile>
+  </ItemGroup>
+  <ItemGroup>
+    <ClInclude Include="consts.hpp">
+      <Filter>Header Files</Filter>
+    </ClInclude>
+    <ClInclude Include="crash-logger.hpp">
+      <Filter>Header Files</Filter>
+    </ClInclude>
+    <ClInclude Include="compiler.hpp">
+      <Filter>Header Files</Filter>
+    </ClInclude>
+    <ClInclude Include="FileStackWalker.h">
+      <Filter>Header Files</Filter>
+    </ClInclude>
+    <ClInclude Include="StackWalker.h">
+      <Filter>Header Files</Filter>
+    </ClInclude>
+    <ClInclude Include="opengl-game.hpp">
+      <Filter>Header Files</Filter>
+    </ClInclude>
+    <ClInclude Include="game-gui.hpp">
+      <Filter>Header Files</Filter>
+    </ClInclude>
+    <ClInclude Include="game-gui-glfw.hpp">
+      <Filter>Header Files</Filter>
+    </ClInclude>
+    <ClInclude Include="logger.hpp">
+      <Filter>Header Files</Filter>
+    </ClInclude>
+    <ClInclude Include="IMGUI\imgui.h">
+      <Filter>IMGUI</Filter>
+    </ClInclude>
+    <ClInclude Include="IMGUI\imgui_internal.h">
+      <Filter>IMGUI</Filter>
+    </ClInclude>
+    <ClInclude Include="IMGUI\stb_rect_pack.h">
+      <Filter>IMGUI</Filter>
+    </ClInclude>
+    <ClInclude Include="IMGUI\stb_textedit.h">
+      <Filter>IMGUI</Filter>
+    </ClInclude>
+    <ClInclude Include="IMGUI\stb_truetype.h">
+      <Filter>IMGUI</Filter>
+    </ClInclude>
+    <ClInclude Include="imgui_impl_glfw_gl3.h">
+      <Filter>Header Files</Filter>
+    </ClInclude>
+    <ClInclude Include="graphics-pipeline.hpp">
+      <Filter>Header Files</Filter>
+    </ClInclude>
+    <ClInclude Include="graphics-pipeline_opengl.hpp">
+      <Filter>Header Files</Filter>
+    </ClInclude>
+  </ItemGroup>
+  <ItemGroup>
+    <None Include="gl-shaders\asteroid.frag">
+      <Filter>gl-shaders</Filter>
+    </None>
+    <None Include="gl-shaders\asteroid.vert">
+      <Filter>gl-shaders</Filter>
+    </None>
+    <None Include="gl-shaders\explosion.frag">
+      <Filter>gl-shaders</Filter>
+    </None>
+    <None Include="gl-shaders\explosion.vert">
+      <Filter>gl-shaders</Filter>
+    </None>
+    <None Include="gl-shaders\laser.frag">
+      <Filter>gl-shaders</Filter>
+    </None>
+    <None Include="gl-shaders\laser.vert">
+      <Filter>gl-shaders</Filter>
+    </None>
+    <None Include="gl-shaders\ship.frag">
+      <Filter>gl-shaders</Filter>
+    </None>
+    <None Include="gl-shaders\ship.vert">
+      <Filter>gl-shaders</Filter>
+    </None>
+  </ItemGroup>
+</Project>
Index: VulkanGame.vcxproj.filters
===================================================================
--- VulkanGame.vcxproj.filters	(revision ca188cc7ea4ef98087537c5eda6b1e7f8b9c6481)
+++ VulkanGame.vcxproj.filters	(revision ca188cc7ea4ef98087537c5eda6b1e7f8b9c6481)
@@ -0,0 +1,215 @@
+<?xml version="1.0" encoding="utf-8"?>
+<Project ToolsVersion="4.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
+  <ItemGroup>
+    <Filter Include="Source Files">
+      <UniqueIdentifier>{4FC737F1-C7A5-4376-A066-2A32D752A2FF}</UniqueIdentifier>
+      <Extensions>cpp;c;cc;cxx;def;odl;idl;hpj;bat;asm;asmx</Extensions>
+    </Filter>
+    <Filter Include="Header Files">
+      <UniqueIdentifier>{93995380-89BD-4b04-88EB-625FBE52EBFB}</UniqueIdentifier>
+      <Extensions>h;hh;hpp;hxx;hm;inl;inc;ipp;xsd</Extensions>
+    </Filter>
+    <Filter Include="Resource Files">
+      <UniqueIdentifier>{67DA6AB6-F800-4c08-8B7A-83BB121AAD01}</UniqueIdentifier>
+      <Extensions>rc;ico;cur;bmp;dlg;rc2;rct;bin;rgs;gif;jpg;jpeg;jpe;resx;tiff;tif;png;wav;mfcribbon-ms</Extensions>
+    </Filter>
+    <Filter Include="Resource Files\shaders">
+      <UniqueIdentifier>{f728dc8f-c896-46f8-afb7-e77c569833a7}</UniqueIdentifier>
+    </Filter>
+    <Filter Include="Resource Files\assets">
+      <UniqueIdentifier>{3d051cf0-94c4-4038-9d77-f12b05bd470a}</UniqueIdentifier>
+    </Filter>
+    <Filter Include="Resource Files\assets\images">
+      <UniqueIdentifier>{191a06b7-9c89-4627-a5ce-d07e0df6fafa}</UniqueIdentifier>
+    </Filter>
+    <Filter Include="Resource Files\assets\fonts">
+      <UniqueIdentifier>{25332d4b-2044-4690-92b9-291221f7f14c}</UniqueIdentifier>
+    </Filter>
+    <Filter Include="gui">
+      <UniqueIdentifier>{63c7afe4-1e6e-4612-aa3e-c28207de6664}</UniqueIdentifier>
+    </Filter>
+    <Filter Include="docs">
+      <UniqueIdentifier>{f89e9750-13af-4ca0-9daa-f3d1649f5054}</UniqueIdentifier>
+    </Filter>
+  </ItemGroup>
+  <ItemGroup>
+    <ClCompile Include="main-vulkan.cpp">
+      <Filter>Source Files</Filter>
+    </ClCompile>
+    <ClCompile Include="vulkan-game.cpp">
+      <Filter>Source Files</Filter>
+    </ClCompile>
+    <ClCompile Include="crash-logger.cpp">
+      <Filter>Source Files</Filter>
+    </ClCompile>
+    <ClCompile Include="game-gui-sdl.cpp">
+      <Filter>Source Files</Filter>
+    </ClCompile>
+    <ClCompile Include="FileStackWalker.cpp">
+      <Filter>Source Files</Filter>
+    </ClCompile>
+    <ClCompile Include="StackWalker.cpp">
+      <Filter>Source Files</Filter>
+    </ClCompile>
+    <ClCompile Include="logger.cpp">
+      <Filter>Source Files</Filter>
+    </ClCompile>
+    <ClCompile Include="vulkan-utils.cpp">
+      <Filter>Source Files</Filter>
+    </ClCompile>
+    <ClCompile Include="utils.cpp">
+      <Filter>Source Files</Filter>
+    </ClCompile>
+    <ClCompile Include="gui\button.cpp">
+      <Filter>gui</Filter>
+    </ClCompile>
+    <ClCompile Include="gui\game-screen.cpp">
+      <Filter>gui</Filter>
+    </ClCompile>
+    <ClCompile Include="gui\main-screen.cpp">
+      <Filter>gui</Filter>
+    </ClCompile>
+    <ClCompile Include="gui\panel.cpp">
+      <Filter>gui</Filter>
+    </ClCompile>
+    <ClCompile Include="gui\screen.cpp">
+      <Filter>gui</Filter>
+    </ClCompile>
+    <ClCompile Include="gui\ui-element.cpp">
+      <Filter>gui</Filter>
+    </ClCompile>
+  </ItemGroup>
+  <ItemGroup>
+    <ClInclude Include="vulkan-game.hpp">
+      <Filter>Header Files</Filter>
+    </ClInclude>
+    <ClInclude Include="consts.hpp">
+      <Filter>Header Files</Filter>
+    </ClInclude>
+    <ClInclude Include="crash-logger.hpp">
+      <Filter>Header Files</Filter>
+    </ClInclude>
+    <ClInclude Include="game-gui.hpp">
+      <Filter>Header Files</Filter>
+    </ClInclude>
+    <ClInclude Include="game-gui-sdl.hpp">
+      <Filter>Header Files</Filter>
+    </ClInclude>
+    <ClInclude Include="FileStackWalker.h">
+      <Filter>Header Files</Filter>
+    </ClInclude>
+    <ClInclude Include="StackWalker.h">
+      <Filter>Header Files</Filter>
+    </ClInclude>
+    <ClInclude Include="compiler.hpp">
+      <Filter>Header Files</Filter>
+    </ClInclude>
+    <ClInclude Include="logger.hpp">
+      <Filter>Header Files</Filter>
+    </ClInclude>
+    <ClInclude Include="vulkan-utils.hpp">
+      <Filter>Header Files</Filter>
+    </ClInclude>
+    <ClInclude Include="graphics-pipeline.hpp">
+      <Filter>Header Files</Filter>
+    </ClInclude>
+    <ClInclude Include="graphics-pipeline_vulkan.hpp">
+      <Filter>Header Files</Filter>
+    </ClInclude>
+    <ClInclude Include="utils.hpp">
+      <Filter>Header Files</Filter>
+    </ClInclude>
+    <ClInclude Include="gui\button.hpp">
+      <Filter>gui</Filter>
+    </ClInclude>
+    <ClInclude Include="gui\game-screen.hpp">
+      <Filter>gui</Filter>
+    </ClInclude>
+    <ClInclude Include="gui\main-screen.hpp">
+      <Filter>gui</Filter>
+    </ClInclude>
+    <ClInclude Include="gui\panel.hpp">
+      <Filter>gui</Filter>
+    </ClInclude>
+    <ClInclude Include="gui\screen.hpp">
+      <Filter>gui</Filter>
+    </ClInclude>
+    <ClInclude Include="gui\ui-element.hpp">
+      <Filter>gui</Filter>
+    </ClInclude>
+    <ClInclude Include="gui\ui-value.hpp">
+      <Filter>gui</Filter>
+    </ClInclude>
+  </ItemGroup>
+  <ItemGroup>
+    <None Include="shaders\overlay.frag">
+      <Filter>Resource Files\shaders</Filter>
+    </None>
+    <None Include="shaders\overlay.vert">
+      <Filter>Resource Files\shaders</Filter>
+    </None>
+    <None Include="shaders\scene.frag">
+      <Filter>Resource Files\shaders</Filter>
+    </None>
+    <None Include="shaders\scene.vert">
+      <Filter>Resource Files\shaders</Filter>
+    </None>
+    <None Include="assets\laser.xcf">
+      <Filter>Resource Files\assets</Filter>
+    </None>
+    <None Include="shaders\ship.frag">
+      <Filter>Resource Files\shaders</Filter>
+    </None>
+    <None Include="shaders\ship.vert">
+      <Filter>Resource Files\shaders</Filter>
+    </None>
+    <None Include="shaders\asteroid.frag">
+      <Filter>Resource Files\shaders</Filter>
+    </None>
+    <None Include="shaders\asteroid.vert">
+      <Filter>Resource Files\shaders</Filter>
+    </None>
+    <None Include="shaders\explosion.frag">
+      <Filter>Resource Files\shaders</Filter>
+    </None>
+    <None Include="shaders\explosion.vert">
+      <Filter>Resource Files\shaders</Filter>
+    </None>
+    <None Include="shaders\laser.frag">
+      <Filter>Resource Files\shaders</Filter>
+    </None>
+    <None Include="shaders\laser.vert">
+      <Filter>Resource Files\shaders</Filter>
+    </None>
+  </ItemGroup>
+  <ItemGroup>
+    <Image Include="assets\images\spaceship.bmp">
+      <Filter>Resource Files\assets\images</Filter>
+    </Image>
+  </ItemGroup>
+  <ItemGroup>
+    <Font Include="assets\fonts\lazy.ttf">
+      <Filter>Resource Files\assets\fonts</Filter>
+    </Font>
+  </ItemGroup>
+  <ItemGroup>
+    <Text Include="docs\DESIGN.txt">
+      <Filter>docs</Filter>
+    </Text>
+    <Text Include="docs\notes.txt">
+      <Filter>docs</Filter>
+    </Text>
+    <Text Include="docs\README.txt">
+      <Filter>docs</Filter>
+    </Text>
+    <Text Include="docs\scene-notes.txt">
+      <Filter>docs</Filter>
+    </Text>
+    <Text Include="docs\TODO.txt">
+      <Filter>docs</Filter>
+    </Text>
+    <Text Include="docs\upgrade-TODO.txt">
+      <Filter>docs</Filter>
+    </Text>
+  </ItemGroup>
+</Project>
Index: VulkanReference.vcxproj.filters
===================================================================
--- VulkanReference.vcxproj.filters	(revision ca188cc7ea4ef98087537c5eda6b1e7f8b9c6481)
+++ VulkanReference.vcxproj.filters	(revision ca188cc7ea4ef98087537c5eda6b1e7f8b9c6481)
@@ -0,0 +1,46 @@
+<?xml version="1.0" encoding="utf-8"?>
+<Project ToolsVersion="4.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
+  <ItemGroup>
+    <ClCompile Include="game-gui-sdl.cpp" />
+    <ClCompile Include="vulkan-ref.cpp" />
+    <ClCompile Include="utils.cpp" />
+  </ItemGroup>
+  <ItemGroup>
+    <ClInclude Include="game-gui-sdl.hpp" />
+    <ClInclude Include="game-gui.hpp" />
+    <ClInclude Include="stb_image.h" />
+    <ClInclude Include="utils.h" />
+  </ItemGroup>
+  <ItemGroup>
+    <None Include="compile.bat" />
+    <None Include="compile.sh" />
+    <None Include="shaders\overlay.frag">
+      <Filter>shaders</Filter>
+    </None>
+    <None Include="shaders\overlay.vert">
+      <Filter>shaders</Filter>
+    </None>
+    <None Include="shaders\scene.frag">
+      <Filter>shaders</Filter>
+    </None>
+    <None Include="shaders\scene.vert">
+      <Filter>shaders</Filter>
+    </None>
+  </ItemGroup>
+  <ItemGroup>
+    <Text Include="README.txt" />
+  </ItemGroup>
+  <ItemGroup>
+    <Filter Include="textures">
+      <UniqueIdentifier>{f5b40956-35d4-47c5-b139-91e85e79c277}</UniqueIdentifier>
+    </Filter>
+    <Filter Include="shaders">
+      <UniqueIdentifier>{cab36a0a-ed35-4414-89cd-79f7ad649022}</UniqueIdentifier>
+    </Filter>
+  </ItemGroup>
+  <ItemGroup>
+    <Image Include="textures\texture.jpg">
+      <Filter>textures</Filter>
+    </Image>
+  </ItemGroup>
+</Project>