From 2a058abd2099d31aa12dd01fefe5689516ca3f77 Mon Sep 17 00:00:00 2001
From: azhirnov <zh1dron@gmail.com>
Date: Thu, 3 Sep 2020 02:00:11 +0300
Subject: fixed compilation on UWP

---
 .../GraphicsEngineD3DBase/src/ShaderD3DBase.cpp    |  5 +++-
 Graphics/HLSLTools/src/DXILUtils.cpp               | 35 +++++++++++++++++-----
 2 files changed, 32 insertions(+), 8 deletions(-)

(limited to 'Graphics')

diff --git a/Graphics/GraphicsEngineD3DBase/src/ShaderD3DBase.cpp b/Graphics/GraphicsEngineD3DBase/src/ShaderD3DBase.cpp
index 1dec5e4f..48132a4b 100644
--- a/Graphics/GraphicsEngineD3DBase/src/ShaderD3DBase.cpp
+++ b/Graphics/GraphicsEngineD3DBase/src/ShaderD3DBase.cpp
@@ -346,8 +346,11 @@ ShaderD3DBase::ShaderD3DBase(const ShaderCreateInfo& ShaderCI, const ShaderVersi
                 if (ShaderModel.Major == MaxSM.Major && ShaderModel.Minor > MaxSM.Minor)
                     ShaderModel = MaxSM;
             }
+            else
+                m_isDXIL = false;
         }
-        else
+
+        if (!m_isDXIL)
         {
             ShaderModel = (ShaderModel.Major < 6 ? ShaderModel : (IsD3D12 ? ShaderVersion{5, 1} : ShaderVersion{5, 0}));
         }
diff --git a/Graphics/HLSLTools/src/DXILUtils.cpp b/Graphics/HLSLTools/src/DXILUtils.cpp
index 172ebacd..8268ac1c 100644
--- a/Graphics/HLSLTools/src/DXILUtils.cpp
+++ b/Graphics/HLSLTools/src/DXILUtils.cpp
@@ -49,17 +49,12 @@
 // Platforms that has DXIL compiler.
 #if defined(PLATFORM_WIN32) || defined(PLATFORM_UNIVERSAL_WINDOWS) || defined(PLATFORM_LINUX)
 
-#    ifdef _WIN32
-__declspec(dllimport) HMODULE __stdcall LoadLibraryA(LPCSTR);
-__declspec(dllimport) FARPROC __stdcall GetProcAddress(HMODULE, LPCSTR);
-#    endif
-
 namespace Diligent
 {
 namespace
 {
 
-#    if defined(PLATFORM_WIN32) || defined(PLATFORM_UNIVERSAL_WINDOWS)
+#    ifdef PLATFORM_WIN32
 struct DXILCompilerWin32
 {
     HMODULE               Module         = nullptr;
@@ -83,6 +78,32 @@ struct DXILCompilerWin32
 using DXILCompilerBase = DXILCompilerWin32;
 #    endif // PLATFORM_WIN32
 
+#    ifdef PLATFORM_UNIVERSAL_WINDOWS
+struct DXILCompilerUWP
+{
+    HMODULE               Module         = nullptr;
+    DxcCreateInstanceProc CreateInstance = nullptr;
+
+    explicit DXILCompilerUWP(const std::string& name)
+    {
+        std::wstring wname{name.begin(), name.end()};
+        wname += L".dll";
+        Module = LoadPackagedLibrary(wname.c_str(), 0);
+        if (Module)
+        {
+            CreateInstance = reinterpret_cast<DxcCreateInstanceProc>(GetProcAddress(Module, "DxcCreateInstance"));
+        }
+    }
+
+    ~DXILCompilerUWP()
+    {
+        if (Module)
+            FreeLibrary(Module);
+    }
+};
+using DXILCompilerBase = DXILCompilerUWP;
+#    endif
+
 #    ifdef PLATFORM_LINUX
 struct DXILCompilerLinux
 {
@@ -272,7 +293,7 @@ bool DXILGetMaxShaderModel(DXILCompilerTarget Target,
         case DXILCompilerTarget::Vulkan: DxilCompiler = SPIRVCompilerLib(); break;
     }
 
-    if (DxilCompiler == nullptr)
+    if (DxilCompiler == nullptr || DxilCompiler->Module == nullptr)
         return false;
 
     Version = DxilCompiler->MaxShaderModel;
-- 
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