using relative include paths for third-party dependencies to facilitate integration with host application

Author: Marcos Slomp

demo/main.cpp

@@ -195,6 +195,12 @@ int main()
     if (!input_full.defined())
         return -1;
 
+    // ordinarily, once can wrap a Func around a buffer as follows:
+    //Func image = Func(input_full);
+    // or even when T=void:
+    //Halide::Buffer<> input_full_void = input_full;
+    //Func image = Func(input_full_void);
+    // but for the examples here, we want to protect the bounds too:
     Func image = SafeIdentity(input_full, "safe_image");
 
     Func broken = example_broken(image);

src/imgui_main.cpp

@@ -23,9 +23,9 @@
 // we also need to define this to prevent imgui.h form including the stock
 // version of imconfig.h
 #define IMGUI_DISABLE_INCLUDE_IMCONFIG_H
-#include <imgui.h>
-#include <imgui_impl_glfw.h>
-#include <imgui_impl_opengl2.h>
+#include "../third-party/imgui/imgui.h"
+#include "../third-party/imgui/examples/imgui_impl_glfw.h"
+#include "../third-party/imgui/examples/imgui_impl_opengl2.h"
 
 #define ENABLE_IMGUI_DEMO (0)
 
@@ -42,7 +42,7 @@ namespace ImGui
 
 #include <stdio.h>
 #include <Halide.h>
-#include <GLFW/glfw3.h>
+#include "../third-party/glfw/include/GLFW/glfw3.h"
 
 #include "system.hpp"
 #include "utils.h"