diff --git a/include/boo/System.hpp b/include/boo/System.hpp
index 4ca25a1..6992d26 100644
--- a/include/boo/System.hpp
+++ b/include/boo/System.hpp
@@ -15,19 +15,19 @@ constexpr type operator&(type a, type b)\
     using T = std::underlying_type_t<type>;\
     return type(static_cast<T>(a) & static_cast<T>(b));\
 }\
-constexpr type& operator|=(type& a, const type& b)\
+inline type& operator|=(type& a, const type& b)\
 {\
     using T = std::underlying_type_t<type>;\
     a = type(static_cast<T>(a) | static_cast<T>(b));\
     return a;\
 }\
-constexpr type& operator&=(type& a, const type& b)\
+inline type& operator&=(type& a, const type& b)\
 {\
     using T = std::underlying_type_t<type>;\
     a = type(static_cast<T>(a) & static_cast<T>(b));\
     return a;\
 }\
-constexpr type operator~(const type& key)\
+inline type operator~(const type& key)\
 {\
     using T = std::underlying_type_t<type>;\
     return type(~static_cast<T>(key));\
diff --git a/lib/graphicsdev/D3D11.cpp b/lib/graphicsdev/D3D11.cpp
index 91ffd52..d6ae49c 100644
--- a/lib/graphicsdev/D3D11.cpp
+++ b/lib/graphicsdev/D3D11.cpp
@@ -500,7 +500,7 @@ class D3D11ShaderPipeline : public IShaderPipeline
         CD3D11_DEPTH_STENCIL_DESC dsDesc(D3D11_DEFAULT);
         dsDesc.DepthEnable = depthTest;
         dsDesc.DepthWriteMask = D3D11_DEPTH_WRITE_MASK(depthWrite);
-        dsDesc.DepthFunc = D3D11_COMPARISON_GREATER;
+        dsDesc.DepthFunc = D3D11_COMPARISON_GREATER_EQUAL;
         ThrowIfFailed(ctx->m_dev->CreateDepthStencilState(&dsDesc, &m_dsState));
 
         CD3D11_BLEND_DESC blDesc(D3D11_DEFAULT);
@@ -595,10 +595,6 @@ struct D3D11ShaderDataBinding : IShaderDataBinding
         }
         for (size_t i=0 ; i<texCount ; ++i)
         {
-#ifndef NDEBUG
-            if (!texs[i])
-                Log.report(logvisor::Fatal, "null texture %d provided to newShaderDataBinding", int(i));
-#endif
             m_texs[i] = texs[i];
         }
     }
@@ -747,35 +743,38 @@ struct D3D11ShaderDataBinding : IShaderDataBinding
 
         if (m_texCount)
         {
-            ID3D11ShaderResourceView* srvs[8];
+            ID3D11ShaderResourceView* srvs[8] = {};
             for (int i=0 ; i<8 && i<m_texCount ; ++i)
             {
-                switch (m_texs[i]->type())
+                if (m_texs[i])
                 {
-                case TextureType::Dynamic:
-                {
-                    D3D11TextureD* ctex = static_cast<D3D11TextureD*>(m_texs[i]);
-                    srvs[i] = ctex->m_srvs[b].Get();
-                    break;
-                }
-                case TextureType::Static:
-                {
-                    D3D11TextureS* ctex = static_cast<D3D11TextureS*>(m_texs[i]);
-                    srvs[i] = ctex->m_srv.Get();
-                    break;
-                }
-                case TextureType::StaticArray:
-                {
-                    D3D11TextureSA* ctex = static_cast<D3D11TextureSA*>(m_texs[i]);
-                    srvs[i] = ctex->m_srv.Get();
-                    break;
-                }
-                case TextureType::Render:
-                {
-                    D3D11TextureR* ctex = static_cast<D3D11TextureR*>(m_texs[i]);
-                    srvs[i] = ctex->m_colorSrv.Get();
-                    break;
-                }
+                    switch (m_texs[i]->type())
+                    {
+                    case TextureType::Dynamic:
+                    {
+                        D3D11TextureD* ctex = static_cast<D3D11TextureD*>(m_texs[i]);
+                        srvs[i] = ctex->m_srvs[b].Get();
+                        break;
+                    }
+                    case TextureType::Static:
+                    {
+                        D3D11TextureS* ctex = static_cast<D3D11TextureS*>(m_texs[i]);
+                        srvs[i] = ctex->m_srv.Get();
+                        break;
+                    }
+                    case TextureType::StaticArray:
+                    {
+                        D3D11TextureSA* ctex = static_cast<D3D11TextureSA*>(m_texs[i]);
+                        srvs[i] = ctex->m_srv.Get();
+                        break;
+                    }
+                    case TextureType::Render:
+                    {
+                        D3D11TextureR* ctex = static_cast<D3D11TextureR*>(m_texs[i]);
+                        srvs[i] = ctex->m_colorSrv.Get();
+                        break;
+                    }
+                    }
                 }
             }
             ctx->PSSetShaderResources(0, m_texCount, srvs);
diff --git a/lib/graphicsdev/D3D12.cpp b/lib/graphicsdev/D3D12.cpp
index 91a3dcb..684b1d2 100644
--- a/lib/graphicsdev/D3D12.cpp
+++ b/lib/graphicsdev/D3D12.cpp
@@ -648,7 +648,7 @@ class D3D12ShaderPipeline : public IShaderPipeline
         if (!backfaceCulling)
             desc.RasterizerState.CullMode = D3D12_CULL_MODE_NONE;
         desc.DepthStencilState = CD3DX12_DEPTH_STENCIL_DESC(D3D12_DEFAULT);
-        desc.DepthStencilState.DepthFunc = D3D12_COMPARISON_FUNC_GREATER;
+        desc.DepthStencilState.DepthFunc = D3D12_COMPARISON_FUNC_GREATER_EQUAL;
         if (!depthTest)
             desc.DepthStencilState.DepthEnable = false;
         if (!depthWrite)
@@ -935,10 +935,6 @@ struct D3D12ShaderDataBinding : IShaderDataBinding
         }
         for (size_t i=0 ; i<texCount ; ++i)
         {
-#ifndef NDEBUG
-            if (!texs[i])
-                Log.report(logvisor::Fatal, "null texture %d provided to newShaderDataBinding", int(i));
-#endif
             m_texs[i] = texs[i];
         }
     }
@@ -996,7 +992,7 @@ struct D3D12ShaderDataBinding : IShaderDataBinding
             }
             for (size_t i=0 ; i<MAX_TEXTURE_COUNT ; ++i)
             {
-                if (i<m_texCount)
+                if (i<m_texCount && m_texs[i])
                 {
                     D3D12_SHADER_RESOURCE_VIEW_DESC srvDesc;
                     ID3D12Resource* res = GetTextureGPUResource(m_texs[i], b, srvDesc);
@@ -1602,6 +1598,9 @@ public:
         {
             ComPtr<ID3DBlob> errBlob;
 
+            //printf("%s\n", vertSource);
+            //printf("%s\n", fragSource);
+
             if (!vertBlobOut)
             {
                 if (FAILED(D3DCompilePROC(vertSource, strlen(vertSource), "HECL Vert Source", nullptr, nullptr, "main",