GFSDK_HBAO+_distro_r3.0_cl20573789

5 files changed, 1272 insertions, 0 deletions

diff --git a/samples/D3D12/external/imgui/examples/directx12_example/directx12_example.vcxproj b/samples/D3D12/external/imgui/examples/directx12_example/directx12_example.vcxproj
new file mode 100644
index 0000000..d3dcd0e
--- /dev/null
+++ b/samples/D3D12/external/imgui/examples/directx12_example/directx12_example.vcxproj
@@ -0,0 +1,156 @@
+<?xml version="1.0" encoding="utf-8"?>
+<Project DefaultTargets="Build" ToolsVersion="4.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
+  <ItemGroup Label="ProjectConfigurations">
+    <ProjectConfiguration Include="Debug|Win32">
+      <Configuration>Debug</Configuration>
+      <Platform>Win32</Platform>
+    </ProjectConfiguration>
+    <ProjectConfiguration Include="Debug|x64">
+      <Configuration>Debug</Configuration>
+      <Platform>x64</Platform>
+    </ProjectConfiguration>
+    <ProjectConfiguration Include="Release|Win32">
+      <Configuration>Release</Configuration>
+      <Platform>Win32</Platform>
+    </ProjectConfiguration>
+    <ProjectConfiguration Include="Release|x64">
+      <Configuration>Release</Configuration>
+      <Platform>x64</Platform>
+    </ProjectConfiguration>
+  </ItemGroup>
+  <PropertyGroup Label="Globals">
+    <ProjectGuid>{9F316E83-5AE5-4939-A723-305A94F48005}</ProjectGuid>
+    <RootNamespace>directx11_example</RootNamespace>
+  </PropertyGroup>
+  <Import Project="$(VCTargetsPath)\Microsoft.Cpp.Default.props" />
+  <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'" Label="Configuration">
+    <ConfigurationType>Application</ConfigurationType>
+    <UseDebugLibraries>true</UseDebugLibraries>
+    <CharacterSet>Unicode</CharacterSet>
+  </PropertyGroup>
+  <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|x64'" Label="Configuration">
+    <ConfigurationType>Application</ConfigurationType>
+    <UseDebugLibraries>true</UseDebugLibraries>
+    <CharacterSet>Unicode</CharacterSet>
+  </PropertyGroup>
+  <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|Win32'" Label="Configuration">
+    <ConfigurationType>Application</ConfigurationType>
+    <UseDebugLibraries>false</UseDebugLibraries>
+    <WholeProgramOptimization>true</WholeProgramOptimization>
+    <CharacterSet>Unicode</CharacterSet>
+  </PropertyGroup>
+  <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|x64'" Label="Configuration">
+    <ConfigurationType>Application</ConfigurationType>
+    <UseDebugLibraries>false</UseDebugLibraries>
+    <WholeProgramOptimization>true</WholeProgramOptimization>
+    <CharacterSet>Unicode</CharacterSet>
+  </PropertyGroup>
+  <Import Project="$(VCTargetsPath)\Microsoft.Cpp.props" />
+  <ImportGroup Label="ExtensionSettings">
+  </ImportGroup>
+  <ImportGroup Label="PropertySheets" Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'">
+    <Import Project="$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props" Condition="exists('$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props')" Label="LocalAppDataPlatform" />
+  </ImportGroup>
+  <ImportGroup Condition="'$(Configuration)|$(Platform)'=='Debug|x64'" Label="PropertySheets">
+    <Import Project="$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props" Condition="exists('$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props')" Label="LocalAppDataPlatform" />
+  </ImportGroup>
+  <ImportGroup Label="PropertySheets" Condition="'$(Configuration)|$(Platform)'=='Release|Win32'">
+    <Import Project="$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props" Condition="exists('$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props')" Label="LocalAppDataPlatform" />
+  </ImportGroup>
+  <ImportGroup Condition="'$(Configuration)|$(Platform)'=='Release|x64'" Label="PropertySheets">
+    <Import Project="$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props" Condition="exists('$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props')" Label="LocalAppDataPlatform" />
+  </ImportGroup>
+  <PropertyGroup Label="UserMacros" />
+  <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'">
+    <OutDir>$(ProjectDir)$(Configuration)\</OutDir>
+    <IntDir>$(ProjectDir)$(Configuration)\</IntDir>
+  </PropertyGroup>
+  <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|x64'">
+    <OutDir>$(ProjectDir)$(Configuration)\</OutDir>
+    <IntDir>$(ProjectDir)$(Configuration)\</IntDir>
+  </PropertyGroup>
+  <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|Win32'">
+    <OutDir>$(ProjectDir)$(Configuration)\</OutDir>
+    <IntDir>$(ProjectDir)$(Configuration)\</IntDir>
+  </PropertyGroup>
+  <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|x64'">
+    <OutDir>$(ProjectDir)$(Configuration)\</OutDir>
+    <IntDir>$(ProjectDir)$(Configuration)\</IntDir>
+  </PropertyGroup>
+  <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'">
+    <ClCompile>
+      <WarningLevel>Level4</WarningLevel>
+      <Optimization>Disabled</Optimization>
+      <AdditionalIncludeDirectories>..\..;%(AdditionalIncludeDirectories);$(DXSDK_DIR)Include;</AdditionalIncludeDirectories>
+    </ClCompile>
+    <Link>
+      <GenerateDebugInformation>true</GenerateDebugInformation>
+      <AdditionalDependencies>d3d11.lib;d3dcompiler.lib;dxgi.lib;%(AdditionalDependencies)</AdditionalDependencies>
+      <AdditionalLibraryDirectories>$(DXSDK_DIR)/Lib/x86;%(AdditionalLibraryDirectories)</AdditionalLibraryDirectories>
+      <SubSystem>Console</SubSystem>
+    </Link>
+  </ItemDefinitionGroup>
+  <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Debug|x64'">
+    <ClCompile>
+      <WarningLevel>Level4</WarningLevel>
+      <Optimization>Disabled</Optimization>
+      <AdditionalIncludeDirectories>..\..;%(AdditionalIncludeDirectories);$(DXSDK_DIR)Include;</AdditionalIncludeDirectories>
+    </ClCompile>
+    <Link>
+      <GenerateDebugInformation>true</GenerateDebugInformation>
+      <AdditionalDependencies>d3d11.lib;d3dcompiler.lib;dxgi.lib;%(AdditionalDependencies)</AdditionalDependencies>
+      <AdditionalLibraryDirectories>$(DXSDK_DIR)/Lib/x64;%(AdditionalLibraryDirectories)</AdditionalLibraryDirectories>
+      <SubSystem>Console</SubSystem>
+    </Link>
+  </ItemDefinitionGroup>
+  <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Release|Win32'">
+    <ClCompile>
+      <WarningLevel>Level4</WarningLevel>
+      <Optimization>MaxSpeed</Optimization>
+      <FunctionLevelLinking>true</FunctionLevelLinking>
+      <IntrinsicFunctions>true</IntrinsicFunctions>
+      <AdditionalIncludeDirectories>..\..;%(AdditionalIncludeDirectories);$(DXSDK_DIR)Include;</AdditionalIncludeDirectories>
+    </ClCompile>
+    <Link>
+      <GenerateDebugInformation>true</GenerateDebugInformation>
+      <EnableCOMDATFolding>true</EnableCOMDATFolding>
+      <OptimizeReferences>true</OptimizeReferences>
+      <AdditionalDependencies>d3d11.lib;d3dcompiler.lib;dxgi.lib;imm32.lib;%(AdditionalDependencies)</AdditionalDependencies>
+      <AdditionalLibraryDirectories>$(DXSDK_DIR)/Lib/x86;%(AdditionalLibraryDirectories)</AdditionalLibraryDirectories>
+      <SubSystem>Console</SubSystem>
+    </Link>
+  </ItemDefinitionGroup>
+  <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Release|x64'">
+    <ClCompile>
+      <WarningLevel>Level4</WarningLevel>
+      <Optimization>MaxSpeed</Optimization>
+      <FunctionLevelLinking>true</FunctionLevelLinking>
+      <IntrinsicFunctions>true</IntrinsicFunctions>
+      <AdditionalIncludeDirectories>..\..;%(AdditionalIncludeDirectories);$(DXSDK_DIR)Include;</AdditionalIncludeDirectories>
+    </ClCompile>
+    <Link>
+      <GenerateDebugInformation>true</GenerateDebugInformation>
+      <EnableCOMDATFolding>true</EnableCOMDATFolding>
+      <OptimizeReferences>true</OptimizeReferences>
+      <AdditionalDependencies>d3d11.lib;d3dcompiler.lib;dxgi.lib;imm32.lib;%(AdditionalDependencies)</AdditionalDependencies>
+      <AdditionalLibraryDirectories>$(DXSDK_DIR)/Lib/x64;%(AdditionalLibraryDirectories)</AdditionalLibraryDirectories>
+      <SubSystem>Console</SubSystem>
+    </Link>
+  </ItemDefinitionGroup>
+  <ItemGroup>
+    <ClInclude Include="..\..\imconfig.h" />
+    <ClInclude Include="..\..\imgui.h" />
+    <ClInclude Include="..\..\imgui_internal.h" />
+    <ClInclude Include="imgui_impl_dx11.h" />
+  </ItemGroup>
+  <ItemGroup>
+    <ClCompile Include="..\..\imgui.cpp" />
+    <ClCompile Include="..\..\imgui_demo.cpp" />
+    <ClCompile Include="..\..\imgui_draw.cpp" />
+    <ClCompile Include="imgui_impl_dx11.cpp" />
+    <ClCompile Include="main.cpp" />
+  </ItemGroup>
+  <Import Project="$(VCTargetsPath)\Microsoft.Cpp.targets" />
+  <ImportGroup Label="ExtensionTargets">
+  </ImportGroup>
+</Project>
\ No newline at end of file
diff --git a/samples/D3D12/external/imgui/examples/directx12_example/directx12_example.vcxproj.filters b/samples/D3D12/external/imgui/examples/directx12_example/directx12_example.vcxproj.filters
new file mode 100644
index 0000000..ac905dd
--- /dev/null
+++ b/samples/D3D12/external/imgui/examples/directx12_example/directx12_example.vcxproj.filters
@@ -0,0 +1,42 @@
+<?xml version="1.0" encoding="utf-8"?>
+<Project ToolsVersion="4.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
+  <ItemGroup>
+    <Filter Include="imgui">
+      <UniqueIdentifier>{0587d7a3-f2ce-4d56-b84f-a0005d3bfce6}</UniqueIdentifier>
+    </Filter>
+    <Filter Include="sources">
+      <UniqueIdentifier>{08e36723-ce4f-4cff-9662-c40801cf1acf}</UniqueIdentifier>
+    </Filter>
+  </ItemGroup>
+  <ItemGroup>
+    <ClInclude Include="..\..\imconfig.h">
+      <Filter>imgui</Filter>
+    </ClInclude>
+    <ClInclude Include="..\..\imgui.h">
+      <Filter>imgui</Filter>
+    </ClInclude>
+    <ClInclude Include="imgui_impl_dx11.h">
+      <Filter>sources</Filter>
+    </ClInclude>
+    <ClInclude Include="..\..\imgui_internal.h">
+      <Filter>imgui</Filter>
+    </ClInclude>
+  </ItemGroup>
+  <ItemGroup>
+    <ClCompile Include="..\..\imgui.cpp">
+      <Filter>imgui</Filter>
+    </ClCompile>
+    <ClCompile Include="main.cpp">
+      <Filter>sources</Filter>
+    </ClCompile>
+    <ClCompile Include="imgui_impl_dx11.cpp">
+      <Filter>sources</Filter>
+    </ClCompile>
+    <ClCompile Include="..\..\imgui_demo.cpp">
+      <Filter>imgui</Filter>
+    </ClCompile>
+    <ClCompile Include="..\..\imgui_draw.cpp">
+      <Filter>imgui</Filter>
+    </ClCompile>
+  </ItemGroup>
+</Project>
\ No newline at end of file
diff --git a/samples/D3D12/external/imgui/examples/directx12_example/imgui_impl_dx12.cpp b/samples/D3D12/external/imgui/examples/directx12_example/imgui_impl_dx12.cpp
new file mode 100644
index 0000000..5947cd4
--- /dev/null
+++ b/samples/D3D12/external/imgui/examples/directx12_example/imgui_impl_dx12.cpp
@@ -0,0 +1,826 @@
+// ImGui Win32 + DirectX11 binding
+// https://github.com/ocornut/imgui
+
+#include <imgui.h>
+#include "imgui_impl_dx12.h"
+
+// DirectX
+#include <d3d12.h>
+#include <d3dx12.h>
+
+#include <d3dcompiler.h>
+#define DIRECTINPUT_VERSION 0x0800
+#include <dinput.h>
+
+#define ALIGNED_SIZE(size, align) ((size + (align - 1)) & ~(align - 1))
+
+// Data
+static INT64                    g_Time = 0;
+static INT64                    g_TicksPerSecond = 0;
+
+static HWND                         g_hWnd = 0;
+static ID3D12Device*                g_pd3dDevice = NULL;
+static ID3D12GraphicsCommandList*   g_pd3dCmdList = NULL;
+static ID3D12CommandQueue*          g_pd3dCmdQueue = NULL;
+static ID3D12Resource*              g_pFontTextureUploadHeap = NULL;
+
+enum DescHeapHandleLayout
+{
+    eVertexCB = 0,
+    eFontTexture = 1,
+};
+
+struct GpuFence
+{
+	ID3D12Fence* pFence = NULL;
+	HANDLE hFenceEvent = 0;
+	UINT64 FenceValue = 0;
+
+	void Init()
+	{
+		if (FAILED(g_pd3dDevice->CreateFence(0, D3D12_FENCE_FLAG_NONE, IID_PPV_ARGS(&pFence)))) return;
+		pFence->SetName(L"ImguiFence");
+		FenceValue = 0;
+		hFenceEvent = CreateEventEx(nullptr, FALSE, FALSE, EVENT_ALL_ACCESS);
+	}
+
+	void Release()
+	{
+		if (pFence) pFence->Release();
+		pFence = NULL;
+		FenceValue = 0;
+		CloseHandle(hFenceEvent);
+	}
+
+	void IncrFence()
+	{
+		FenceValue++;
+	}
+
+	void WaitForFence()
+	{
+		// Schedule a Signal command in the queue.
+		if (FAILED(g_pd3dCmdQueue->Signal(pFence, FenceValue))) return;
+
+		if (FAILED(pFence->SetEventOnCompletion(FenceValue, hFenceEvent))) return;
+
+		WaitForSingleObjectEx(hFenceEvent, INFINITE, FALSE);
+	}
+};
+
+static GpuFence                 g_GpuFence;
+
+struct DescHeapInfo
+{
+    ID3D12DescriptorHeap*   DescHeap;
+    UINT                    BaseOffset;
+    UINT                    IncrSize;
+
+    D3D12_CPU_DESCRIPTOR_HANDLE GetCpuHandle(UINT Index)
+    {
+        D3D12_CPU_DESCRIPTOR_HANDLE CpuHandle = DescHeap->GetCPUDescriptorHandleForHeapStart();
+        CpuHandle.ptr += IncrSize * (BaseOffset + Index);
+        return CpuHandle;
+    }
+
+    D3D12_GPU_DESCRIPTOR_HANDLE GetGpuHandle(UINT Index)
+    {
+        D3D12_GPU_DESCRIPTOR_HANDLE GpuHandle = DescHeap->GetGPUDescriptorHandleForHeapStart();
+        GpuHandle.ptr += IncrSize * (BaseOffset + Index);
+        return GpuHandle;
+    }
+};
+
+DescHeapInfo g_DescHeapCbvSrvUav;
+
+static ID3D12Resource*          g_pVB = NULL;
+static ID3D12Resource*          g_pIB = NULL;
+static D3D12_VERTEX_BUFFER_VIEW g_VBView = {};
+static D3D12_INDEX_BUFFER_VIEW  g_IBView = {};
+static ID3D10Blob*              g_pVertexShader = NULL;
+static ID3D12Resource*          g_pVertexConstantBuffer = NULL;
+static ID3D10Blob*              g_pPixelShader = NULL;
+static ID3D12RootSignature*     g_pRootSignature = NULL;
+static ID3D12PipelineState*     g_pPSO = NULL;
+static ID3D12Resource*              g_pFontTexture = NULL;
+static D3D12_STATIC_SAMPLER_DESC    g_FontSampler;
+static D3D12_CPU_DESCRIPTOR_HANDLE  g_cbCpuHandle;
+
+static int                      VERTEX_BUFFER_SIZE = 20000;     // TODO: Make buffers smaller and grow dynamically as needed.
+static int                      INDEX_BUFFER_SIZE = 40000;      // TODO: Make buffers smaller and grow dynamically as needed.
+
+struct VERTEX_CONSTANT_BUFFER
+{
+    float        mvp[4][4];
+};
+
+// This is the main rendering function that you have to implement and provide to ImGui (via setting up 'RenderDrawListsFn' in the ImGuiIO structure)
+// If text or lines are blurry when integrating ImGui in your engine:
+// - in your Render function, try translating your projection matrix by (0.5f,0.5f) or (0.375f,0.375f)
+static void ImGui_ImplDX12_RenderDrawLists(ImDrawData* draw_data)
+{
+    ImDrawVert* vtx_dst = NULL;
+    ImDrawIdx* idx_dst = NULL;
+
+    // Copy and convert all vertices into a single contiguous buffer
+    if (g_pVB->Map(0, nullptr, reinterpret_cast<void**>(&vtx_dst)) != S_OK)
+        return;
+    if (g_pIB->Map(0, nullptr, reinterpret_cast<void**>(&idx_dst)) != S_OK)
+        return;
+    for (int n = 0; n < draw_data->CmdListsCount; n++)
+    {
+        const ImDrawList* cmd_list = draw_data->CmdLists[n];
+        memcpy(vtx_dst, &cmd_list->VtxBuffer[0], cmd_list->VtxBuffer.size() * sizeof(ImDrawVert));
+        memcpy(idx_dst, &cmd_list->IdxBuffer[0], cmd_list->IdxBuffer.size() * sizeof(ImDrawIdx));
+        vtx_dst += cmd_list->VtxBuffer.size();
+        idx_dst += cmd_list->IdxBuffer.size();
+    }
+    g_pVB->Unmap(0, nullptr);
+    g_pIB->Unmap(0, nullptr);
+
+    // Setup orthographic projection matrix into our constant buffer
+    {
+        VERTEX_CONSTANT_BUFFER* pConstantBuffer = NULL;
+        g_pVertexConstantBuffer->Map(0, nullptr, reinterpret_cast<void**>(&pConstantBuffer));
+        
+        const float L = 0.0f;
+        const float R = ImGui::GetIO().DisplaySize.x;
+        const float B = ImGui::GetIO().DisplaySize.y;
+        const float T = 0.0f;
+        const float mvp[4][4] = 
+        {
+            { 2.0f/(R-L),   0.0f,           0.0f,       0.0f},
+            { 0.0f,         2.0f/(T-B),     0.0f,       0.0f,},
+            { 0.0f,         0.0f,           0.5f,       0.0f },
+            { (R+L)/(L-R),  (T+B)/(B-T),    0.5f,       1.0f },
+        };
+        memcpy(&pConstantBuffer->mvp, mvp, sizeof(mvp));
+        g_pVertexConstantBuffer->Unmap(0, nullptr);
+    }
+
+    // Setup viewport
+    {
+        D3D12_VIEWPORT vp;
+        memset(&vp, 0, sizeof(D3D12_VIEWPORT));
+        vp.Width = ImGui::GetIO().DisplaySize.x;
+        vp.Height = ImGui::GetIO().DisplaySize.y;
+        vp.MinDepth = 0.0f;
+        vp.MaxDepth = 1.0f;
+        vp.TopLeftX = 0;
+        vp.TopLeftY = 0;
+        g_pd3dCmdList->RSSetViewports(1, &vp);
+    }
+
+    ID3D12DescriptorHeap* descHeaps[] = { g_DescHeapCbvSrvUav.DescHeap };
+    g_pd3dCmdList->SetDescriptorHeaps(ARRAYSIZE(descHeaps), descHeaps);
+
+    // Bind shader and vertex buffers
+    g_pd3dCmdList->SetGraphicsRootSignature(g_pRootSignature);
+    g_pd3dCmdList->SetPipelineState(g_pPSO);
+    g_pd3dCmdList->IASetPrimitiveTopology(D3D_PRIMITIVE_TOPOLOGY_TRIANGLELIST);
+    g_pd3dCmdList->IASetVertexBuffers(0, 1, &g_VBView);
+    g_pd3dCmdList->IASetIndexBuffer(&g_IBView);
+
+    g_pd3dCmdList->SetGraphicsRootConstantBufferView(0, g_pVertexConstantBuffer->GetGPUVirtualAddress());
+    //g_pd3dCmdList->SetGraphicsRootDescriptorTable(0, g_DescHeapCbvSrvUav.GetGpuHandle(eCB));
+
+    // Setup render state
+    const float blendFactor[4] = { 0.f, 0.f, 0.f, 0.f };
+    g_pd3dCmdList->OMSetBlendFactor(blendFactor);
+
+    // Render command lists
+    int vtx_offset = 0;
+    int idx_offset = 0;
+    for (int n = 0; n < draw_data->CmdListsCount; n++)
+    {
+        const ImDrawList* cmd_list = draw_data->CmdLists[n];
+        for (int cmd_i = 0; cmd_i < cmd_list->CmdBuffer.size(); cmd_i++)
+        {
+            const ImDrawCmd* pcmd = &cmd_list->CmdBuffer[cmd_i];
+            if (pcmd->UserCallback)
+            {
+                pcmd->UserCallback(cmd_list, pcmd);
+            }
+            else
+            {
+                const D3D12_RECT r = { (LONG)pcmd->ClipRect.x, (LONG)pcmd->ClipRect.y, (LONG)pcmd->ClipRect.z, (LONG)pcmd->ClipRect.w };
+                D3D12_GPU_DESCRIPTOR_HANDLE* FontTextureGpuHandle = (D3D12_GPU_DESCRIPTOR_HANDLE*)pcmd->TextureId;
+                g_pd3dCmdList->SetGraphicsRootDescriptorTable(1, *FontTextureGpuHandle);
+                g_pd3dCmdList->RSSetScissorRects(1, &r);
+                g_pd3dCmdList->DrawIndexedInstanced(pcmd->ElemCount, 1, idx_offset, vtx_offset, 0);
+            }
+            idx_offset += pcmd->ElemCount;
+        }
+        vtx_offset += cmd_list->VtxBuffer.size();
+    }
+
+	g_GpuFence.IncrFence();
+}
+
+LRESULT ImGui_ImplDX12_WndProcHandler(HWND, UINT msg, WPARAM wParam, LPARAM lParam)
+{
+    ImGuiIO& io = ImGui::GetIO();
+    switch (msg)
+    {
+    case WM_LBUTTONDOWN:
+        io.MouseDown[0] = true;
+        return true;
+    case WM_LBUTTONUP:
+        io.MouseDown[0] = false; 
+        return true;
+    case WM_RBUTTONDOWN:
+        io.MouseDown[1] = true; 
+        return true;
+    case WM_RBUTTONUP:
+        io.MouseDown[1] = false; 
+        return true;
+    case WM_MOUSEWHEEL:
+        io.MouseWheel += GET_WHEEL_DELTA_WPARAM(wParam) > 0 ? +1.0f : -1.0f;
+        return true;
+    case WM_MOUSEMOVE:
+        io.MousePos.x = (signed short)(lParam);
+        io.MousePos.y = (signed short)(lParam >> 16); 
+        return true;
+    case WM_KEYDOWN:
+        if (wParam < 256)
+            io.KeysDown[wParam] = 1;
+        return true;
+    case WM_KEYUP:
+        if (wParam < 256)
+            io.KeysDown[wParam] = 0;
+        return true;
+    case WM_CHAR:
+        // You can also use ToAscii()+GetKeyboardState() to retrieve characters.
+        if (wParam > 0 && wParam < 0x10000)
+            io.AddInputCharacter((unsigned short)wParam);
+        return true;
+    }
+    return 0;
+}
+
+void SetResourceBarrier(ID3D12GraphicsCommandList* commandList,
+    ID3D12Resource* res,
+    D3D12_RESOURCE_STATES before,
+    D3D12_RESOURCE_STATES after)
+{
+    D3D12_RESOURCE_BARRIER desc = {};
+    desc.Type = D3D12_RESOURCE_BARRIER_TYPE_TRANSITION;
+    desc.Transition.pResource = res;
+    desc.Transition.Subresource = D3D12_RESOURCE_BARRIER_ALL_SUBRESOURCES;
+    desc.Transition.StateBefore = before;
+    desc.Transition.StateAfter = after;
+    desc.Flags = D3D12_RESOURCE_BARRIER_FLAG_NONE;
+    commandList->ResourceBarrier(1, &desc);
+}
+
+static void ImGui_ImplDX12_CreateFontsTexture()
+{
+    ImGuiIO& io = ImGui::GetIO();
+
+    ImFont* font0 = io.Fonts->AddFontDefault();
+    //io.Fonts->AddFontFromFileTTF("DroidSans.ttf", 18);
+
+    // Build
+    unsigned char* pixels;
+    int width, height;
+    io.Fonts->GetTexDataAsRGBA32(&pixels, &width, &height);
+
+    // Create DX12 texture
+    {
+        D3D12_RESOURCE_DESC Desc = {};
+        Desc.Dimension = D3D12_RESOURCE_DIMENSION_TEXTURE2D;
+        Desc.Width = width;
+        Desc.Height = height;
+        Desc.MipLevels = 1;
+        Desc.DepthOrArraySize = 1;
+        Desc.SampleDesc.Count = 1;
+        Desc.SampleDesc.Quality = 0;
+        Desc.Flags = D3D12_RESOURCE_FLAG_NONE;
+        Desc.Layout = D3D12_TEXTURE_LAYOUT_UNKNOWN;
+        Desc.Format = DXGI_FORMAT_R8G8B8A8_UNORM;
+        Desc.Alignment = 0;
+
+        D3D12_HEAP_PROPERTIES texHeapProp = {
+            D3D12_HEAP_TYPE_DEFAULT,
+            D3D12_CPU_PAGE_PROPERTY_UNKNOWN,
+            D3D12_MEMORY_POOL_UNKNOWN,
+            1, 1
+        };
+
+        if (g_pFontTexture) g_pFontTexture->Release();
+
+        if (g_pd3dDevice->CreateCommittedResource(
+            &texHeapProp,
+            D3D12_HEAP_FLAG_NONE,
+            &Desc,
+            D3D12_RESOURCE_STATE_GENERIC_READ,
+            nullptr,
+            IID_PPV_ARGS(&g_pFontTexture)) != S_OK)
+        {
+            assert(0);
+            return;
+        }
+
+        g_pFontTexture->SetName(L"ImGuiFontTexture");
+
+        // Initialize texture
+        {
+            // Create the texture.
+            const UINT64 uploadBufferSize = GetRequiredIntermediateSize(g_pFontTexture, 0, 1);
+
+            // Create the GPU upload buffer.
+            if (g_pd3dDevice->CreateCommittedResource(
+                &CD3DX12_HEAP_PROPERTIES(D3D12_HEAP_TYPE_UPLOAD),
+                D3D12_HEAP_FLAG_NONE,
+                &CD3DX12_RESOURCE_DESC::Buffer(uploadBufferSize),
+                D3D12_RESOURCE_STATE_GENERIC_READ,
+                nullptr,
+                IID_PPV_ARGS(&g_pFontTextureUploadHeap)) != S_OK)
+            {
+                assert(0);
+                return;
+            }
+            g_pFontTextureUploadHeap->SetName(L"Imgui_TextureUploadHeap");
+            // Copy data to the intermediate upload heap and then schedule a copy 
+            // from the upload heap to the Texture2D.
+            D3D12_SUBRESOURCE_DATA textureData = {};
+            textureData.pData = pixels;
+            textureData.RowPitch = width * 4;
+            textureData.SlicePitch = textureData.RowPitch * height;
+
+            SetResourceBarrier(g_pd3dCmdList, g_pFontTexture, D3D12_RESOURCE_STATE_GENERIC_READ, D3D12_RESOURCE_STATE_COPY_DEST);
+
+            UpdateSubresources(g_pd3dCmdList, g_pFontTexture, g_pFontTextureUploadHeap, 0, 0, 1, &textureData);
+
+            SetResourceBarrier(g_pd3dCmdList, g_pFontTexture, D3D12_RESOURCE_STATE_COPY_DEST, D3D12_RESOURCE_STATE_PIXEL_SHADER_RESOURCE);
+        }
+        
+        // SRV
+        D3D12_SHADER_RESOURCE_VIEW_DESC SRVDesc = {};
+        SRVDesc.ViewDimension = D3D12_SRV_DIMENSION_TEXTURE2D;
+        SRVDesc.Shader4ComponentMapping = D3D12_DEFAULT_SHADER_4_COMPONENT_MAPPING;
+        SRVDesc.Texture2D.MipLevels = 1;
+        SRVDesc.Texture2D.MostDetailedMip = 0; // No MIP
+        SRVDesc.Texture2D.PlaneSlice = 0;
+        SRVDesc.Texture2D.ResourceMinLODClamp = 0.0f;
+
+        D3D12_CPU_DESCRIPTOR_HANDLE CpuHandle = g_DescHeapCbvSrvUav.GetCpuHandle(eFontTexture);
+        g_pd3dDevice->CreateShaderResourceView(g_pFontTexture, &SRVDesc, CpuHandle);
+
+        // Store our identifier
+        D3D12_GPU_DESCRIPTOR_HANDLE* pGpuHandle = new D3D12_GPU_DESCRIPTOR_HANDLE;
+        (*pGpuHandle) = g_DescHeapCbvSrvUav.GetGpuHandle(eFontTexture);
+        io.Fonts->TexID = (void *)pGpuHandle;
+
+        //D3D12_SAMPLER_DESC samplerDesc;
+        //samplerDesc.Filter = D3D12_FILTER_MIN_MAG_MIP_LINEAR;
+        //samplerDesc.AddressU = D3D12_TEXTURE_ADDRESS_MODE_WRAP;
+        //samplerDesc.AddressV = D3D12_TEXTURE_ADDRESS_MODE_WRAP;
+        //samplerDesc.AddressW = D3D12_TEXTURE_ADDRESS_MODE_WRAP;
+        //samplerDesc.MinLOD = -FLT_MAX;
+        //samplerDesc.MaxLOD = FLT_MAX;
+        //samplerDesc.MipLODBias = 0;
+        //samplerDesc.MaxAnisotropy = 0;
+        //samplerDesc.ComparisonFunc = D3D12_COMPARISON_FUNC_ALWAYS;
+        //mDev->CreateSampler(&samplerDesc, mDescHeapSampler->GetCPUDescriptorHandleForHeapStart());
+    }
+
+    // Cleanup (don't clear the input data if you want to append new fonts later)
+    io.Fonts->ClearInputData();
+    io.Fonts->ClearTexData();
+}
+
+bool    ImGui_ImplDX12_CreateDeviceObjects()
+{
+    if (!g_pd3dDevice)
+        return false;
+    if (g_pVB)
+        ImGui_ImplDX12_InvalidateDeviceObjects();
+
+    D3D12_HEAP_PROPERTIES uploadHeapProp = {
+        D3D12_HEAP_TYPE_UPLOAD,
+        D3D12_CPU_PAGE_PROPERTY_UNKNOWN,
+        D3D12_MEMORY_POOL_UNKNOWN,
+        1, 1
+    };
+
+    ID3D10Blob* pVertexShaderBlob = NULL;
+    ID3D10Blob* pPixelShaderBlob = NULL;
+
+    // Create the vertex shader
+    {
+        static const char* vertexShader = 
+            "cbuffer vertexBuffer : register(b0) \
+            {\
+            float4x4 ProjectionMatrix; \
+            };\
+            struct VS_INPUT\
+            {\
+            float2 pos : POSITION;\
+            float2 uv  : TEXCOORD0;\
+            float4 col : COLOR0;\
+            };\
+            \
+            struct PS_INPUT\
+            {\
+            float4 pos : SV_POSITION;\
+            float4 col : COLOR0;\
+            float2 uv  : TEXCOORD0;\
+            };\
+            \
+            PS_INPUT main(VS_INPUT input)\
+            {\
+            PS_INPUT output;\
+            output.pos = mul( ProjectionMatrix, float4(input.pos.xy, 0.f, 1.f));\
+            output.col = input.col;\
+            output.uv  = input.uv;\
+            return output;\
+            }";
+
+        D3DCompile(vertexShader, strlen(vertexShader), NULL, NULL, NULL, "main", "vs_5_0", 0, 0, &pVertexShaderBlob, NULL);
+        if (pVertexShaderBlob == NULL) // NB: Pass ID3D10Blob* pErrorBlob to D3DCompile() to get error showing in (const char*)pErrorBlob->GetBufferPointer(). Make sure to Release() the blob!
+        {
+            assert(0);
+            return false;
+        }
+
+        // Create the constant buffer
+        {
+            D3D12_RESOURCE_DESC cbResourceDesc = {
+                D3D12_RESOURCE_DIMENSION_BUFFER,
+                0,
+                D3D12_CONSTANT_BUFFER_DATA_PLACEMENT_ALIGNMENT,
+                1, 1, 1,
+                DXGI_FORMAT_UNKNOWN, 1, 0, D3D12_TEXTURE_LAYOUT_ROW_MAJOR, D3D12_RESOURCE_FLAG_NONE
+            };
+
+            if (g_pd3dDevice->CreateCommittedResource(
+                &uploadHeapProp,
+                D3D12_HEAP_FLAG_NONE,
+                &cbResourceDesc,
+                D3D12_RESOURCE_STATE_GENERIC_READ,
+                nullptr,
+                IID_PPV_ARGS(&g_pVertexConstantBuffer)) != S_OK)
+            {
+                assert(0);
+                return false;
+            }
+
+            g_pVertexConstantBuffer->SetName(L"ImguiVertexCB");
+
+            D3D12_CONSTANT_BUFFER_VIEW_DESC cbvDesc = {};
+            cbvDesc.BufferLocation = g_pVertexConstantBuffer->GetGPUVirtualAddress();
+            cbvDesc.SizeInBytes = D3D12_CONSTANT_BUFFER_DATA_PLACEMENT_ALIGNMENT;
+
+            D3D12_CPU_DESCRIPTOR_HANDLE g_cbCpuHandle = g_DescHeapCbvSrvUav.GetCpuHandle(eVertexCB);
+            g_pd3dDevice->CreateConstantBufferView(&cbvDesc, g_cbCpuHandle);
+        }
+    }
+
+    // Create the pixel shader
+    {
+        static const char* pixelShader = 
+            "struct PS_INPUT\
+            {\
+            float4 pos : SV_POSITION;\
+            float4 col : COLOR0;\
+            float2 uv  : TEXCOORD0;\
+            };\
+            sampler sampler0;\
+            Texture2D texture0;\
+            \
+            float4 main(PS_INPUT input) : SV_Target\
+            {\
+            float4 out_col = input.col * texture0.Sample(sampler0, input.uv); \
+            return out_col; \
+            }";
+
+        D3DCompile(pixelShader, strlen(pixelShader), NULL, NULL, NULL, "main", "ps_5_0", 0, 0, &pPixelShaderBlob, NULL);
+        if (pPixelShaderBlob == NULL)  // NB: Pass ID3D10Blob* pErrorBlob to D3DCompile() to get error showing in (const char*)pErrorBlob->GetBufferPointer(). Make sure to Release() the blob!
+        {
+            assert(0);
+            return false;
+        }
+    }
+
+    // Create the blending setup
+    D3D12_BLEND_DESC localBlendState;
+    {
+        ZeroMemory(&localBlendState, sizeof(localBlendState));
+        localBlendState.IndependentBlendEnable = false;
+        localBlendState.AlphaToCoverageEnable = false;
+        localBlendState.RenderTarget[0].BlendEnable = true;
+        localBlendState.RenderTarget[0].SrcBlend = D3D12_BLEND_SRC_ALPHA;
+        localBlendState.RenderTarget[0].DestBlend = D3D12_BLEND_INV_SRC_ALPHA;
+        localBlendState.RenderTarget[0].BlendOp = D3D12_BLEND_OP_ADD;
+        localBlendState.RenderTarget[0].SrcBlendAlpha = D3D12_BLEND_INV_SRC_ALPHA;
+        localBlendState.RenderTarget[0].DestBlendAlpha = D3D12_BLEND_ZERO;
+        localBlendState.RenderTarget[0].BlendOpAlpha = D3D12_BLEND_OP_ADD;
+        localBlendState.RenderTarget[0].RenderTargetWriteMask = D3D12_COLOR_WRITE_ENABLE_ALL;
+    }
+
+    // Create the rasterizer state
+    D3D12_RASTERIZER_DESC localRasterizeState;
+    {
+        ZeroMemory(&localRasterizeState, sizeof(localRasterizeState));
+        localRasterizeState.FillMode = D3D12_FILL_MODE_SOLID;
+        localRasterizeState.CullMode = D3D12_CULL_MODE_NONE;
+        //localRasterizeState.ScissorEnable = true;
+        localRasterizeState.DepthClipEnable = true;
+    }
+
+    // Create the vertex buffer
+    {
+        UINT VBSizeInByte = VERTEX_BUFFER_SIZE * sizeof(ImDrawVert);
+        D3D12_RESOURCE_DESC vbResourceDesc = {
+            D3D12_RESOURCE_DIMENSION_BUFFER,
+            0,
+            VBSizeInByte, 1, 1, 1,
+            DXGI_FORMAT_UNKNOWN, 1, 0, D3D12_TEXTURE_LAYOUT_ROW_MAJOR, D3D12_RESOURCE_FLAG_NONE
+        };
+
+        if (FAILED(g_pd3dDevice->CreateCommittedResource(
+            &uploadHeapProp,
+            D3D12_HEAP_FLAG_NONE,
+            &vbResourceDesc,
+            D3D12_RESOURCE_STATE_GENERIC_READ,
+            nullptr,
+            IID_PPV_ARGS(&g_pVB))))
+        {
+            assert(0);
+            return false;
+        }
+
+        g_VBView.BufferLocation = g_pVB->GetGPUVirtualAddress();
+        g_VBView.StrideInBytes = sizeof(ImDrawVert);
+        g_VBView.SizeInBytes = VBSizeInByte;
+    }
+
+    // Create the index buffer
+    {
+        UINT IBSizeInByte = INDEX_BUFFER_SIZE * sizeof(ImDrawIdx);;
+        D3D12_RESOURCE_DESC ibResourceDesc = {
+            D3D12_RESOURCE_DIMENSION_BUFFER,
+            0,
+            IBSizeInByte, 1, 1, 1,
+            DXGI_FORMAT_UNKNOWN, 1, 0, D3D12_TEXTURE_LAYOUT_ROW_MAJOR, D3D12_RESOURCE_FLAG_NONE
+        };
+
+        if (FAILED(g_pd3dDevice->CreateCommittedResource(
+            &uploadHeapProp,
+            D3D12_HEAP_FLAG_NONE,
+            &ibResourceDesc,
+            D3D12_RESOURCE_STATE_GENERIC_READ,
+            nullptr,
+            IID_PPV_ARGS(&g_pIB))))
+        {
+            assert(0);
+            return false;
+        }
+
+        g_IBView.BufferLocation = g_pIB->GetGPUVirtualAddress();
+        g_IBView.Format = DXGI_FORMAT_R16_UINT;
+        g_IBView.SizeInBytes = IBSizeInByte;
+    }
+
+    D3D12_INPUT_ELEMENT_DESC localLayout[] = {
+        { "POSITION", 0, DXGI_FORMAT_R32G32_FLOAT, 0, 0, D3D12_INPUT_CLASSIFICATION_PER_VERTEX_DATA, 0 },
+        { "TEXCOORD", 0, DXGI_FORMAT_R32G32_FLOAT, 0, 8, D3D12_INPUT_CLASSIFICATION_PER_VERTEX_DATA, 0 },
+        { "COLOR", 0, DXGI_FORMAT_R8G8B8A8_UNORM, 0, 8 + 8, D3D12_INPUT_CLASSIFICATION_PER_VERTEX_DATA, 0 },
+    };
+
+    {
+#if (1)
+        D3D12_DESCRIPTOR_RANGE range1[1];
+        range1[0].RangeType = D3D12_DESCRIPTOR_RANGE_TYPE_CBV;
+        range1[0].NumDescriptors = 1;
+        range1[0].BaseShaderRegister = 0;
+        range1[0].RegisterSpace = 0;
+        range1[0].OffsetInDescriptorsFromTableStart = 0;
+        
+        D3D12_DESCRIPTOR_RANGE range2[1];
+        range2[0].RangeType = D3D12_DESCRIPTOR_RANGE_TYPE_SRV;
+        range2[0].NumDescriptors = 1;
+        range2[0].BaseShaderRegister = 0;
+        range2[0].RegisterSpace = 0;
+        range2[0].OffsetInDescriptorsFromTableStart = 0;
+
+        D3D12_ROOT_PARAMETER rootParam[2];
+        // Init as constants
+        rootParam[0].ParameterType = D3D12_ROOT_PARAMETER_TYPE_CBV;
+        rootParam[0].Descriptor.RegisterSpace = 0;
+        rootParam[0].Descriptor.ShaderRegister = 0;
+        rootParam[0].ShaderVisibility = D3D12_SHADER_VISIBILITY_VERTEX;
+
+        rootParam[1].ParameterType = D3D12_ROOT_PARAMETER_TYPE_DESCRIPTOR_TABLE;
+        rootParam[1].DescriptorTable.NumDescriptorRanges = 1;
+        rootParam[1].DescriptorTable.pDescriptorRanges = range2;
+        rootParam[1].ShaderVisibility = D3D12_SHADER_VISIBILITY_PIXEL;
+
+        //rootParam[0].ParameterType = D3D12_ROOT_PARAMETER_TYPE_DESCRIPTOR_TABLE;
+        //rootParam[0].DescriptorTable.NumDescriptorRanges = 1;
+        //rootParam[0].DescriptorTable.pDescriptorRanges = range1;
+        //rootParam[0].ShaderVisibility = D3D12_SHADER_VISIBILITY_VERTEX;
+
+        //rootParam[1].ParameterType = D3D12_ROOT_PARAMETER_TYPE_DESCRIPTOR_TABLE;
+        //rootParam[1].DescriptorTable.NumDescriptorRanges = 1;
+        //rootParam[1].DescriptorTable.pDescriptorRanges = range2;
+        //rootParam[1].ShaderVisibility = D3D12_SHADER_VISIBILITY_PIXEL;
+#else
+        CD3DX12_DESCRIPTOR_RANGE descRange1[1];
+        descRange1[0].Init(D3D12_DESCRIPTOR_RANGE_TYPE_CBV, 1, 0); // b0
+        CD3DX12_DESCRIPTOR_RANGE descRange2[1];
+        descRange2[0].Init(D3D12_DESCRIPTOR_RANGE_TYPE_SRV, 1, 0); // srv0
+
+        CD3DX12_ROOT_PARAMETER rootParam[2];
+        rootParam[0].InitAsDescriptorTable(ARRAYSIZE(descRange1), descRange1, D3D12_SHADER_VISIBILITY_VERTEX);
+        rootParam[1].InitAsDescriptorTable(ARRAYSIZE(descRange2), descRange2, D3D12_SHADER_VISIBILITY_PIXEL);
+#endif
+
+        D3D12_STATIC_SAMPLER_DESC samplerDesc;
+        {
+            ZeroMemory(&samplerDesc, sizeof(samplerDesc));
+            samplerDesc.Filter = D3D12_FILTER_MIN_MAG_MIP_LINEAR;
+            samplerDesc.AddressU = D3D12_TEXTURE_ADDRESS_MODE_WRAP;
+            samplerDesc.AddressV = D3D12_TEXTURE_ADDRESS_MODE_WRAP;
+            samplerDesc.AddressW = D3D12_TEXTURE_ADDRESS_MODE_WRAP;
+            samplerDesc.MipLODBias = 0.f;
+            samplerDesc.ComparisonFunc = D3D12_COMPARISON_FUNC_ALWAYS;
+            samplerDesc.MinLOD = 0.f;
+            samplerDesc.MaxLOD = 0.f;
+        }
+
+        ID3D10Blob *sig, *info;
+        D3D12_ROOT_SIGNATURE_DESC rootSigDesc = {};
+        rootSigDesc.NumParameters = sizeof(rootParam)/sizeof(rootParam[0]);
+        rootSigDesc.pParameters = rootParam;
+        rootSigDesc.NumStaticSamplers = 1;
+        rootSigDesc.pStaticSamplers = &samplerDesc;
+        rootSigDesc.Flags = D3D12_ROOT_SIGNATURE_FLAG_ALLOW_INPUT_ASSEMBLER_INPUT_LAYOUT;
+
+        if (FAILED(D3D12SerializeRootSignature(&rootSigDesc, D3D_ROOT_SIGNATURE_VERSION_1, &sig, &info)))
+        {
+            assert(0);
+            return false;
+        }
+        
+        g_pd3dDevice->CreateRootSignature(0, sig->GetBufferPointer(), sig->GetBufferSize(), IID_PPV_ARGS(&g_pRootSignature));
+		g_pRootSignature->SetName(L"ImguiRS");
+        sig->Release();
+    }
+
+    D3D12_GRAPHICS_PIPELINE_STATE_DESC psoDesc = {};
+    psoDesc.PrimitiveTopologyType = D3D12_PRIMITIVE_TOPOLOGY_TYPE_TRIANGLE;
+    psoDesc.InputLayout.NumElements = 3;
+    psoDesc.InputLayout.pInputElementDescs = localLayout;
+    psoDesc.IBStripCutValue = D3D12_INDEX_BUFFER_STRIP_CUT_VALUE_DISABLED;
+    psoDesc.pRootSignature = g_pRootSignature;
+    psoDesc.VS.pShaderBytecode = pVertexShaderBlob->GetBufferPointer();
+    psoDesc.VS.BytecodeLength = pVertexShaderBlob->GetBufferSize();
+    psoDesc.PS.pShaderBytecode = pPixelShaderBlob->GetBufferPointer();
+    psoDesc.PS.BytecodeLength = pPixelShaderBlob->GetBufferSize();
+    psoDesc.RasterizerState = localRasterizeState;
+    psoDesc.BlendState = localBlendState;
+    psoDesc.DepthStencilState.DepthEnable = false;
+    psoDesc.DepthStencilState.DepthFunc = D3D12_COMPARISON_FUNC_LESS_EQUAL;
+    psoDesc.DepthStencilState.DepthWriteMask = D3D12_DEPTH_WRITE_MASK_ALL;
+    psoDesc.DepthStencilState.StencilEnable = false;
+    psoDesc.SampleMask = UINT_MAX;
+    psoDesc.NumRenderTargets = 1;
+    psoDesc.RTVFormats[0] = DXGI_FORMAT_R8G8B8A8_UNORM;
+    psoDesc.DSVFormat = DXGI_FORMAT_UNKNOWN;
+    psoDesc.SampleDesc.Count = 1;
+    if (FAILED(g_pd3dDevice->CreateGraphicsPipelineState(&psoDesc, IID_PPV_ARGS(&g_pPSO))))
+    {
+        assert(0);
+        return false;
+    }
+	g_pPSO->SetName(L"ImGuiPso");
+    pVertexShaderBlob->Release();
+    pPixelShaderBlob->Release();
+
+    ImGui_ImplDX12_CreateFontsTexture();
+
+    return true;
+}
+
+void    ImGui_ImplDX12_InvalidateDeviceObjects()
+{
+    if (!g_pd3dDevice)
+        return;
+
+    if (g_pFontTexture)
+    {
+        g_pFontTexture->Release();
+        g_pFontTexture = NULL;
+        D3D12_GPU_DESCRIPTOR_HANDLE* pGpuHandle = (D3D12_GPU_DESCRIPTOR_HANDLE*)ImGui::GetIO().Fonts->TexID;
+        delete pGpuHandle;
+        ImGui::GetIO().Fonts->TexID = 0;
+    }
+
+    if (g_pIB) { g_pIB->Release(); g_pIB = NULL; }
+    if (g_pVB) { g_pVB->Release(); g_pVB = NULL; }
+    if (g_pVertexConstantBuffer) { g_pVertexConstantBuffer->Release(); g_pVertexConstantBuffer = NULL; }
+    if (g_pPSO) { g_pPSO->Release(); g_pPSO = NULL; }
+    if (g_pRootSignature) { g_pRootSignature->Release(); g_pRootSignature = NULL; }
+}
+
+bool    ImGui_ImplDX12_Init(void* hwnd, ID3D12Device* device, ID3D12CommandQueue* pCmdQueue, ID3D12GraphicsCommandList* pCmdList, ID3D12DescriptorHeap* descHeap, unsigned int descHeapBaseOffset)
+{
+    g_hWnd = (HWND)hwnd;
+    g_pd3dDevice = device;
+    g_pd3dCmdList = pCmdList;
+	g_pd3dCmdQueue = pCmdQueue;
+    
+    if (!descHeap)
+        return false;
+    
+	g_GpuFence.Init();
+
+    g_DescHeapCbvSrvUav.DescHeap = descHeap;
+    g_DescHeapCbvSrvUav.BaseOffset = descHeapBaseOffset;
+    g_DescHeapCbvSrvUav.IncrSize = g_pd3dDevice->GetDescriptorHandleIncrementSize(D3D12_DESCRIPTOR_HEAP_TYPE_CBV_SRV_UAV);
+
+    if (!QueryPerformanceFrequency((LARGE_INTEGER *)&g_TicksPerSecond)) 
+        return false;
+    if (!QueryPerformanceCounter((LARGE_INTEGER *)&g_Time))
+        return false;
+
+    ImGuiIO& io = ImGui::GetIO();
+    io.KeyMap[ImGuiKey_Tab] = VK_TAB;                              // Keyboard mapping. ImGui will use those indices to peek into the io.KeyDown[] array that we will update during the application lifetime.
+    io.KeyMap[ImGuiKey_LeftArrow] = VK_LEFT;
+    io.KeyMap[ImGuiKey_RightArrow] = VK_RIGHT;
+    io.KeyMap[ImGuiKey_UpArrow] = VK_UP;
+    io.KeyMap[ImGuiKey_DownArrow] = VK_DOWN;
+    io.KeyMap[ImGuiKey_PageUp] = VK_PRIOR;
+    io.KeyMap[ImGuiKey_PageDown] = VK_NEXT;
+    io.KeyMap[ImGuiKey_Home] = VK_HOME;
+    io.KeyMap[ImGuiKey_End] = VK_END;
+    io.KeyMap[ImGuiKey_Delete] = VK_DELETE;
+    io.KeyMap[ImGuiKey_Backspace] = VK_BACK;
+    io.KeyMap[ImGuiKey_Enter] = VK_RETURN;
+    io.KeyMap[ImGuiKey_Escape] = VK_ESCAPE;
+    io.KeyMap[ImGuiKey_A] = 'A';
+    io.KeyMap[ImGuiKey_C] = 'C';
+    io.KeyMap[ImGuiKey_V] = 'V';
+    io.KeyMap[ImGuiKey_X] = 'X';
+    io.KeyMap[ImGuiKey_Y] = 'Y';
+    io.KeyMap[ImGuiKey_Z] = 'Z';
+
+    io.RenderDrawListsFn = ImGui_ImplDX12_RenderDrawLists;
+    io.ImeWindowHandle = g_hWnd;
+
+    return true;
+}
+
+void ImGui_ImplDX12_Shutdown()
+{
+    // Command list should be closed before this method
+    g_GpuFence.WaitForFence();
+    g_GpuFence.Release();
+    
+    if (g_pFontTextureUploadHeap) g_pFontTextureUploadHeap->Release();
+    g_pFontTextureUploadHeap = NULL;
+    if (g_pFontTexture) g_pFontTexture->Release();
+    g_pFontTexture = NULL;
+
+    ImGui_ImplDX12_InvalidateDeviceObjects();
+    ImGui::Shutdown();
+    g_pd3dDevice = NULL;
+    g_pd3dCmdList = NULL;
+    g_hWnd = (HWND)0;
+}
+
+void ImGui_ImplDX12_NewFrame()
+{
+    if (!g_pVB)
+        ImGui_ImplDX12_CreateDeviceObjects();
+
+    ImGuiIO& io = ImGui::GetIO();
+
+    // Setup display size (every frame to accommodate for window resizing)
+    RECT rect;
+    GetClientRect(g_hWnd, &rect);
+    io.DisplaySize = ImVec2((float)(rect.right - rect.left), (float)(rect.bottom - rect.top));
+
+    // Setup time step
+    INT64 current_time;
+    QueryPerformanceCounter((LARGE_INTEGER *)&current_time); 
+    io.DeltaTime = (float)(current_time - g_Time) / g_TicksPerSecond;
+    g_Time = current_time;
+
+    // Read keyboard modifiers inputs
+    io.KeyCtrl = (GetKeyState(VK_CONTROL) & 0x8000) != 0;
+    io.KeyShift = (GetKeyState(VK_SHIFT) & 0x8000) != 0;
+    io.KeyAlt = (GetKeyState(VK_MENU) & 0x8000) != 0;
+    // io.KeysDown : filled by WM_KEYDOWN/WM_KEYUP events
+    // io.MousePos : filled by WM_MOUSEMOVE events
+    // io.MouseDown : filled by WM_*BUTTON* events
+    // io.MouseWheel : filled by WM_MOUSEWHEEL events
+
+    // Hide OS mouse cursor if ImGui is drawing it
+    SetCursor(io.MouseDrawCursor ? NULL : LoadCursor(NULL, IDC_ARROW));
+
+    // Start the frame
+    ImGui::NewFrame();
+}
diff --git a/samples/D3D12/external/imgui/examples/directx12_example/imgui_impl_dx12.h b/samples/D3D12/external/imgui/examples/directx12_example/imgui_impl_dx12.h
new file mode 100644
index 0000000..0555607
--- /dev/null
+++ b/samples/D3D12/external/imgui/examples/directx12_example/imgui_impl_dx12.h
@@ -0,0 +1,23 @@
+// ImGui Win32 + DirectX12 binding
+// https://github.com/ocornut/imgui
+
+struct ID3D12Device;
+struct ID3D12DeviceContext;
+struct ID3D12DescriptorHeap;
+struct ID3D12GraphicsCommandList;
+struct ID3D12CommandQueue;
+
+bool        ImGui_ImplDX12_Init(void* hwnd, ID3D12Device* device, ID3D12CommandQueue* pCmdQueue, ID3D12GraphicsCommandList* pCmdList, ID3D12DescriptorHeap* descHeap, unsigned int descHeapBaseOffset);
+void        ImGui_ImplDX12_Shutdown();
+void        ImGui_ImplDX12_NewFrame();
+
+// Use if you want to reset your rendering device without losing ImGui state.
+void        ImGui_ImplDX12_InvalidateDeviceObjects();
+bool        ImGui_ImplDX12_CreateDeviceObjects();
+
+// Handler for Win32 messages, update mouse/keyboard data.
+// You may or not need this for your implementation, but it can serve as reference for handling inputs.
+// Commented out to avoid dragging dependencies on <windows.h> types. You can copy the extern declaration in your code.
+/*
+extern LRESULT   ImGui_ImplDX12_WndProcHandler(HWND hWnd, UINT msg, WPARAM wParam, LPARAM lParam);
+*/
diff --git a/samples/D3D12/external/imgui/examples/directx12_example/main.cpp b/samples/D3D12/external/imgui/examples/directx12_example/main.cpp
new file mode 100644
index 0000000..7ac1fd1
--- /dev/null
+++ b/samples/D3D12/external/imgui/examples/directx12_example/main.cpp
@@ -0,0 +1,225 @@
+// ImGui - standalone example application for DirectX 11
+
+#include <imgui.h>
+#include "imgui_impl_dx11.h"
+#include <d3d11.h>
+#include <d3dcompiler.h>
+#define DIRECTINPUT_VERSION 0x0800
+#include <dinput.h>
+
+// Data
+static ID3D11Device*            g_pd3dDevice = NULL;
+static ID3D11DeviceContext*     g_pd3dDeviceContext = NULL;
+static IDXGISwapChain*          g_pSwapChain = NULL;
+static ID3D11RenderTargetView*  g_mainRenderTargetView = NULL;
+
+void CreateRenderTarget()
+{
+    DXGI_SWAP_CHAIN_DESC sd;
+    g_pSwapChain->GetDesc(&sd);
+
+    // Create the render target
+    ID3D11Texture2D* pBackBuffer;               
+    D3D11_RENDER_TARGET_VIEW_DESC render_target_view_desc;
+    ZeroMemory(&render_target_view_desc, sizeof(render_target_view_desc));
+    render_target_view_desc.Format = sd.BufferDesc.Format;
+    render_target_view_desc.ViewDimension = D3D11_RTV_DIMENSION_TEXTURE2D;
+    g_pSwapChain->GetBuffer(0, __uuidof(ID3D11Texture2D), (LPVOID*)&pBackBuffer);
+    g_pd3dDevice->CreateRenderTargetView(pBackBuffer, &render_target_view_desc, &g_mainRenderTargetView);
+    g_pd3dDeviceContext->OMSetRenderTargets(1, &g_mainRenderTargetView, NULL);
+    pBackBuffer->Release();
+}
+
+void CleanupRenderTarget()
+{
+    if (g_mainRenderTargetView) { g_mainRenderTargetView->Release(); g_mainRenderTargetView = NULL; }
+}
+
+HRESULT CreateDeviceD3D(HWND hWnd)
+{
+    // Setup swap chain
+    DXGI_SWAP_CHAIN_DESC sd;
+    {
+        ZeroMemory(&sd, sizeof(sd));
+        sd.BufferCount = 2;
+        sd.BufferDesc.Width = 0;
+        sd.BufferDesc.Height = 0;
+        sd.BufferDesc.Format = DXGI_FORMAT_R8G8B8A8_UNORM;
+        sd.BufferDesc.RefreshRate.Numerator = 60;
+        sd.BufferDesc.RefreshRate.Denominator = 1;
+        sd.Flags = DXGI_SWAP_CHAIN_FLAG_ALLOW_MODE_SWITCH;
+        sd.BufferUsage = DXGI_USAGE_RENDER_TARGET_OUTPUT;
+        sd.OutputWindow = hWnd;
+        sd.SampleDesc.Count = 1;
+        sd.SampleDesc.Quality = 0;
+        sd.Windowed = TRUE;
+        sd.SwapEffect = DXGI_SWAP_EFFECT_DISCARD;
+    }
+
+    UINT createDeviceFlags = 0;
+#ifdef _DEBUG
+    createDeviceFlags |= D3D11_CREATE_DEVICE_DEBUG;
+#endif
+    D3D_FEATURE_LEVEL featureLevel;
+    const D3D_FEATURE_LEVEL featureLevelArray[1] = { D3D_FEATURE_LEVEL_11_0, };
+    if (D3D11CreateDeviceAndSwapChain(NULL, D3D_DRIVER_TYPE_HARDWARE, NULL, createDeviceFlags, featureLevelArray, 1, D3D11_SDK_VERSION, &sd, &g_pSwapChain, &g_pd3dDevice, &featureLevel, &g_pd3dDeviceContext) != S_OK)
+        return E_FAIL;
+
+    // Setup rasterizer
+    {
+        D3D11_RASTERIZER_DESC RSDesc;
+        memset(&RSDesc, 0, sizeof(D3D11_RASTERIZER_DESC));
+        RSDesc.FillMode = D3D11_FILL_SOLID;
+        RSDesc.CullMode = D3D11_CULL_NONE;
+        RSDesc.FrontCounterClockwise = FALSE;
+        RSDesc.DepthBias = 0;
+        RSDesc.SlopeScaledDepthBias = 0.0f;
+        RSDesc.DepthBiasClamp = 0;
+        RSDesc.DepthClipEnable = TRUE;
+        RSDesc.ScissorEnable = TRUE;
+        RSDesc.AntialiasedLineEnable = FALSE;
+        RSDesc.MultisampleEnable = (sd.SampleDesc.Count > 1) ? TRUE : FALSE;
+
+        ID3D11RasterizerState* pRState = NULL;
+        g_pd3dDevice->CreateRasterizerState(&RSDesc, &pRState);
+        g_pd3dDeviceContext->RSSetState(pRState);
+        pRState->Release();
+    }
+
+    CreateRenderTarget();
+
+    return S_OK;
+}
+
+void CleanupDeviceD3D()
+{
+    CleanupRenderTarget();
+    if (g_pSwapChain) { g_pSwapChain->Release(); g_pSwapChain = NULL; }
+    if (g_pd3dDeviceContext) { g_pd3dDeviceContext->Release(); g_pd3dDeviceContext = NULL; }
+    if (g_pd3dDevice) { g_pd3dDevice->Release(); g_pd3dDevice = NULL; }
+}
+
+extern LRESULT ImGui_ImplDX11_WndProcHandler(HWND hWnd, UINT msg, WPARAM wParam, LPARAM lParam);
+LRESULT WINAPI WndProc(HWND hWnd, UINT msg, WPARAM wParam, LPARAM lParam)
+{
+    if (ImGui_ImplDX11_WndProcHandler(hWnd, msg, wParam, lParam))
+        return true;
+
+    switch (msg)
+    {
+    case WM_SIZE:
+        if (g_pd3dDevice != NULL && wParam != SIZE_MINIMIZED)
+        {
+            ImGui_ImplDX11_InvalidateDeviceObjects();
+            CleanupRenderTarget();
+            g_pSwapChain->ResizeBuffers(0, (UINT)LOWORD(lParam), (UINT)HIWORD(lParam), DXGI_FORMAT_UNKNOWN, 0);
+            CreateRenderTarget();
+            ImGui_ImplDX11_CreateDeviceObjects();
+        }
+        return 0;
+    case WM_SYSCOMMAND:
+        if ((wParam & 0xfff0) == SC_KEYMENU) // Disable ALT application menu
+            return 0;
+        break;
+    case WM_DESTROY:
+        PostQuitMessage(0);
+        return 0;
+    }
+    return DefWindowProc(hWnd, msg, wParam, lParam);
+}
+
+int main(int, char**)
+{
+    // Create application window
+    WNDCLASSEX wc = { sizeof(WNDCLASSEX), CS_CLASSDC, WndProc, 0L, 0L, GetModuleHandle(NULL), NULL, LoadCursor(NULL, IDC_ARROW), NULL, NULL, L"ImGui Example", NULL };
+    RegisterClassEx(&wc);
+    HWND hwnd = CreateWindow(L"ImGui Example", L"ImGui DirectX11 Example", WS_OVERLAPPEDWINDOW, 100, 100, 1280, 800, NULL, NULL, wc.hInstance, NULL);
+
+    // Initialize Direct3D
+    if (CreateDeviceD3D(hwnd) < 0)
+    {
+        CleanupDeviceD3D();
+        UnregisterClass(L"ImGui Example", wc.hInstance);
+        return 1;
+    }
+
+    // Show the window
+    ShowWindow(hwnd, SW_SHOWDEFAULT);
+    UpdateWindow(hwnd);
+
+    // Setup ImGui binding
+    ImGui_ImplDX11_Init(hwnd, g_pd3dDevice, g_pd3dDeviceContext);
+
+    // Load Fonts
+    // (see extra_fonts/README.txt for more details)
+    //ImGuiIO& io = ImGui::GetIO();
+    //io.Fonts->AddFontDefault();
+    //io.Fonts->AddFontFromFileTTF("../../extra_fonts/Cousine-Regular.ttf", 15.0f);
+    //io.Fonts->AddFontFromFileTTF("../../extra_fonts/DroidSans.ttf", 16.0f);
+    //io.Fonts->AddFontFromFileTTF("../../extra_fonts/ProggyClean.ttf", 13.0f);
+    //io.Fonts->AddFontFromFileTTF("../../extra_fonts/ProggyTiny.ttf", 10.0f);
+    //io.Fonts->AddFontFromFileTTF("c:\\Windows\\Fonts\\ArialUni.ttf", 18.0f, NULL, io.Fonts->GetGlyphRangesJapanese());
+
+    // Merge glyphs from multiple fonts into one (e.g. combine default font with another with Chinese glyphs, or add icons)
+    //ImWchar icons_ranges[] = { 0xf000, 0xf3ff, 0 };
+    //ImFontConfig icons_config; icons_config.MergeMode = true; icons_config.PixelSnapH = true;
+    //io.Fonts->AddFontFromFileTTF("../../extra_fonts/DroidSans.ttf", 18.0f);
+    //io.Fonts->AddFontFromFileTTF("../../extra_fonts/fontawesome-webfont.ttf", 18.0f, &icons_config, icons_ranges);
+
+    bool show_test_window = true;
+    bool show_another_window = false;
+    ImVec4 clear_col = ImColor(114, 144, 154);
+
+    // Main loop
+    MSG msg;
+    ZeroMemory(&msg, sizeof(msg));
+    while (msg.message != WM_QUIT)
+    {
+        if (PeekMessage(&msg, NULL, 0U, 0U, PM_REMOVE))
+        {
+            TranslateMessage(&msg);
+            DispatchMessage(&msg);
+            continue;
+        }
+        ImGui_ImplDX11_NewFrame();
+
+        // 1. Show a simple window
+        // Tip: if we don't call ImGui::Begin()/ImGui::End() the widgets appears in a window automatically called "Debug"
+        {
+            static float f = 0.0f;
+            ImGui::Text("Hello, world!");
+            ImGui::SliderFloat("float", &f, 0.0f, 1.0f);
+            ImGui::ColorEdit3("clear color", (float*)&clear_col);
+            if (ImGui::Button("Test Window")) show_test_window ^= 1;
+            if (ImGui::Button("Another Window")) show_another_window ^= 1;
+            ImGui::Text("Application average %.3f ms/frame (%.1f FPS)", 1000.0f / ImGui::GetIO().Framerate, ImGui::GetIO().Framerate);
+        }
+
+        // 2. Show another simple window, this time using an explicit Begin/End pair
+        if (show_another_window)
+        {
+            ImGui::SetNextWindowSize(ImVec2(200,100), ImGuiSetCond_FirstUseEver);
+            ImGui::Begin("Another Window", &show_another_window);
+            ImGui::Text("Hello");
+            ImGui::End();
+        }
+
+        // 3. Show the ImGui test window. Most of the sample code is in ImGui::ShowTestWindow()
+        if (show_test_window)
+        {
+            ImGui::SetNextWindowPos(ImVec2(650, 20), ImGuiSetCond_FirstUseEver);     // Normally user code doesn't need/want to call it because positions are saved in .ini file anyway. Here we just want to make the demo initial state a bit more friendly!
+            ImGui::ShowTestWindow(&show_test_window);
+        }
+
+        // Rendering
+        g_pd3dDeviceContext->ClearRenderTargetView(g_mainRenderTargetView, (float*)&clear_col);
+        ImGui::Render();
+        g_pSwapChain->Present(0, 0);
+    }
+
+    ImGui_ImplDX11_Shutdown();
+    CleanupDeviceD3D();
+    UnregisterClass(L"ImGui Example", wc.hInstance);
+
+    return 0;
+}