hello_xr: D3D plugin requires DirectXColors which isn't in MinGW

Author: rpavlik

src/tests/hello_xr/graphicsplugin_d3d11.cpp

@@ -3,7 +3,7 @@
 #include "geometry.h"
 #include "graphicsplugin.h"
 
-#ifdef XR_USE_GRAPHICS_API_D3D11
+#if defined(XR_USE_GRAPHICS_API_D3D11) && !defined(__MINGW32__)
 
 #include <common/xr_linear.h>
 #include <DirectXColors.h>

src/tests/hello_xr/graphicsplugin_factory.cpp

@@ -18,7 +18,7 @@ std::shared_ptr<IGraphicsPlugin> CreateGraphicsPlugin_OpenGL(const std::shared_p
 std::shared_ptr<IGraphicsPlugin> CreateGraphicsPlugin_Vulkan(const std::shared_ptr<Options>& options,
                                                              std::shared_ptr<IPlatformPlugin> platformPlugin);
 #endif
-#ifdef XR_USE_GRAPHICS_API_D3D11
+#if defined(XR_USE_GRAPHICS_API_D3D11) && !defined(__MINGW32__)
 std::shared_ptr<IGraphicsPlugin> CreateGraphicsPlugin_D3D11(const std::shared_ptr<Options>& options,
                                                             std::shared_ptr<IPlatformPlugin> platformPlugin);
 #endif
@@ -48,7 +48,7 @@ std::map<std::string, GraphicsPluginFactory, IgnoreCaseStringLess> graphicsPlugi
          return CreateGraphicsPlugin_Vulkan(options, std::move(platformPlugin));
      }},
 #endif
-#ifdef XR_USE_GRAPHICS_API_D3D11
+#if defined(XR_USE_GRAPHICS_API_D3D11) && !defined(__MINGW32__)
     {"D3D11",
      [](const std::shared_ptr<Options>& options, std::shared_ptr<IPlatformPlugin> platformPlugin) {
          return CreateGraphicsPlugin_D3D11(options, std::move(platformPlugin));