From 8a0d3b9628d4b92a2d7d2a4a7b9424a745c76d9d Mon Sep 17 00:00:00 2001
From: ocornut <omarcornut@gmail.com>
Date: Sun, 8 May 2016 11:49:21 +0200
Subject: [PATCH] Examples; DirectX10/11: Added comments about removing
 dependency on d3dcompiler DLL (#638)

---
 examples/directx10_example/imgui_impl_dx10.cpp | 6 ++++++
 examples/directx10_example/main.cpp            | 1 -
 examples/directx11_example/imgui_impl_dx11.cpp | 6 ++++++
 examples/directx11_example/main.cpp            | 1 -
 4 files changed, 12 insertions(+), 2 deletions(-)

diff --git a/examples/directx10_example/imgui_impl_dx10.cpp b/examples/directx10_example/imgui_impl_dx10.cpp
index 15dbed20..bccee87e 100644
--- a/examples/directx10_example/imgui_impl_dx10.cpp
+++ b/examples/directx10_example/imgui_impl_dx10.cpp
@@ -343,6 +343,12 @@ bool    ImGui_ImplDX10_CreateDeviceObjects()
     if (g_pFontSampler)
         ImGui_ImplDX10_InvalidateDeviceObjects();
 
+    // By using D3DCompile() from <d3dcompiler.h> / d3dcompiler.lib, we introduce a dependency to a given version of d3dcompiler_XX.dll (see D3DCOMPILER_DLL_A)
+    // If you would like to use this DX11 sample code but remove this dependency you can: 
+    //  1) compile once, save the compiled shader blobs into a file or source code and pass them to CreateVertexShader()/CreatePixelShader() [prefered solution]
+    //  2) use code to detect any version of the DLL and grab a pointer to D3DCompile from the DLL. 
+    // See https://github.com/ocornut/imgui/pull/638 for sources and details.
+
     // Create the vertex shader
     {
         static const char* vertexShader =
diff --git a/examples/directx10_example/main.cpp b/examples/directx10_example/main.cpp
index a418da9f..fb98cad1 100644
--- a/examples/directx10_example/main.cpp
+++ b/examples/directx10_example/main.cpp
@@ -5,7 +5,6 @@
 #include "imgui_impl_dx10.h"
 #include <d3d10_1.h>
 #include <d3d10.h>
-#include <d3dcompiler.h>
 #define DIRECTINPUT_VERSION 0x0800
 #include <dinput.h>
 #include <tchar.h>
diff --git a/examples/directx11_example/imgui_impl_dx11.cpp b/examples/directx11_example/imgui_impl_dx11.cpp
index d595e6c0..11f66f0e 100644
--- a/examples/directx11_example/imgui_impl_dx11.cpp
+++ b/examples/directx11_example/imgui_impl_dx11.cpp
@@ -345,6 +345,12 @@ bool    ImGui_ImplDX11_CreateDeviceObjects()
     if (g_pFontSampler)
         ImGui_ImplDX11_InvalidateDeviceObjects();
 
+    // By using D3DCompile() from <d3dcompiler.h> / d3dcompiler.lib, we introduce a dependency to a given version of d3dcompiler_XX.dll (see D3DCOMPILER_DLL_A)
+    // If you would like to use this DX11 sample code but remove this dependency you can: 
+    //  1) compile once, save the compiled shader blobs into a file or source code and pass them to CreateVertexShader()/CreatePixelShader() [prefered solution]
+    //  2) use code to detect any version of the DLL and grab a pointer to D3DCompile from the DLL. 
+    // See https://github.com/ocornut/imgui/pull/638 for sources and details.
+
     // Create the vertex shader
     {
         static const char* vertexShader =
diff --git a/examples/directx11_example/main.cpp b/examples/directx11_example/main.cpp
index a47e22d0..e3fe5aa7 100644
--- a/examples/directx11_example/main.cpp
+++ b/examples/directx11_example/main.cpp
@@ -4,7 +4,6 @@
 #include <imgui.h>
 #include "imgui_impl_dx11.h"
 #include <d3d11.h>
-#include <d3dcompiler.h>
 #define DIRECTINPUT_VERSION 0x0800
 #include <dinput.h>
 #include <tchar.h>