fixes

Author: oltolm

.gitignore

@@ -11,3 +11,4 @@ Release/
 /build*/
 out/
 *.aps
+/imgui.ini

CMakeLists.txt

@@ -44,6 +44,7 @@ add_library(dsfix
   dinput.cpp
   dinput8.def
   dsfix.rc
+  Effect.cpp
   FPS.cpp
   FXAA.cpp
   GAUSS.cpp

Effect.cpp

@@ -0,0 +1,6 @@
+#include "Effect.h"
+
+const D3DVERTEXELEMENT9 Effect::vertexElements[3] = {
+    {0, 0, D3DDECLTYPE_FLOAT3, D3DDECLMETHOD_DEFAULT, D3DDECLUSAGE_POSITION, 0},
+    {0, 12, D3DDECLTYPE_FLOAT2, D3DDECLMETHOD_DEFAULT, D3DDECLUSAGE_TEXCOORD, 0},
+    D3DDECL_END()};

Effect.h

@@ -12,8 +12,15 @@ class Effect {
 protected:
   Microsoft::WRL::ComPtr<IDirect3DDevice9> device;
   Microsoft::WRL::ComPtr<IDirect3DVertexDeclaration9> vertexDeclaration;
+  static const D3DVERTEXELEMENT9 vertexElements[3];
 
-  Effect(IDirect3DDevice9* device) noexcept : device(device) {}
+  Effect(IDirect3DDevice9* device) noexcept : device(device) {
+    try {
+      ThrowIfFailed(device->CreateVertexDeclaration(vertexElements, &vertexDeclaration));
+    } catch (const std::system_error& err) {
+      spdlog::error(L"{}", DXGetErrorString9W(err.code().value()));
+    }
+  }
 
   virtual ~Effect() = default;