diff --git a/hecl/include/hecl/Backend/Backend.hpp b/hecl/include/hecl/Backend/Backend.hpp
index e31abafc6..1ca3f97e2 100644
--- a/hecl/include/hecl/Backend/Backend.hpp
+++ b/hecl/include/hecl/Backend/Backend.hpp
@@ -46,6 +46,14 @@ enum class ZTest : uint8_t
     Original = 0xff
 };
 
+enum class CullMode : uint8_t
+{
+    None,
+    Backface,
+    Frontface,
+    Original = 0xff
+};
+
 struct TextureInfo
 {
     TexGenSrc src;
diff --git a/hecl/include/hecl/Runtime.hpp b/hecl/include/hecl/Runtime.hpp
index 783e71e28..a983e4833 100644
--- a/hecl/include/hecl/Runtime.hpp
+++ b/hecl/include/hecl/Runtime.hpp
@@ -141,7 +141,7 @@ public:
         Backend::BlendFactor srcFactor = Backend::BlendFactor::Original;
         Backend::BlendFactor dstFactor = Backend::BlendFactor::Original;
         Backend::ZTest depthTest = Backend::ZTest::Original;
-        bool frontfaceCull = false;
+        Backend::CullMode cullMode = Backend::CullMode::Backface;
         bool noDepthWrite = false;
         bool noColorWrite = false;
         bool noAlphaWrite = false;
@@ -162,7 +162,7 @@ public:
                                    size_t texCount, const Backend::TextureInfo* texs,
                                    Backend::BlendFactor srcFactor, Backend::BlendFactor dstFactor,
                                    Backend::ZTest depthTest = Backend::ZTest::Original,
-                                   bool frontfaceCull = false,
+                                   Backend::CullMode cullMode = Backend::CullMode::Backface,
                                    bool noDepthWrite = false,
                                    bool noColorWrite = false,
                                    bool noAlphaWrite = false,
@@ -179,7 +179,7 @@ public:
         slot.srcFactor = srcFactor;
         slot.dstFactor = dstFactor;
         slot.depthTest = depthTest;
-        slot.frontfaceCull = frontfaceCull;
+        slot.cullMode = cullMode;
         slot.noDepthWrite = noDepthWrite;
         slot.noColorWrite = noColorWrite;
         slot.noAlphaWrite = noAlphaWrite;
diff --git a/hecl/lib/Backend/GLSL.cpp b/hecl/lib/Backend/GLSL.cpp
index e41406552..1ec88df29 100644
--- a/hecl/lib/Backend/GLSL.cpp
+++ b/hecl/lib/Backend/GLSL.cpp
@@ -527,8 +527,9 @@ struct GLSLBackendFactory : IShaderBackendFactory
                                       boo::BlendFactor((slot.srcFactor == hecl::Backend::BlendFactor::Original) ? m_backend.m_blendSrc : slot.srcFactor),
                                       boo::BlendFactor((slot.dstFactor == hecl::Backend::BlendFactor::Original) ? m_backend.m_blendDst : slot.dstFactor),
                                       tag.getPrimType(), zTest, slot.noDepthWrite ? false : tag.getDepthWrite(), !slot.noColorWrite, !slot.noAlphaWrite,
-                                      slot.frontfaceCull ? boo::CullMode::Frontface :
-                                      (tag.getBackfaceCulling() ? boo::CullMode::Backface : boo::CullMode::None));
+                                      (slot.cullMode == hecl::Backend::CullMode::Original) ?
+                                      (tag.getBackfaceCulling() ? boo::CullMode::Backface : boo::CullMode::None) :
+                                      boo::CullMode(slot.cullMode));
             if (!ret)
                 Log.report(logvisor::Fatal, "unable to build shader");
             returnFunc(ret);
@@ -609,8 +610,9 @@ struct GLSLBackendFactory : IShaderBackendFactory
                                       boo::BlendFactor((slot.srcFactor == hecl::Backend::BlendFactor::Original) ? blendSrc : slot.srcFactor),
                                       boo::BlendFactor((slot.dstFactor == hecl::Backend::BlendFactor::Original) ? blendDst : slot.dstFactor),
                                       tag.getPrimType(), zTest, slot.noDepthWrite ? false : tag.getDepthWrite(), !slot.noColorWrite, !slot.noAlphaWrite,
-                                      slot.frontfaceCull ? boo::CullMode::Frontface :
-                                      (tag.getBackfaceCulling() ? boo::CullMode::Backface : boo::CullMode::None));
+                                      (slot.cullMode == hecl::Backend::CullMode::Original) ?
+                                      (tag.getBackfaceCulling() ? boo::CullMode::Backface : boo::CullMode::None) :
+                                      boo::CullMode(slot.cullMode));
             if (!ret)
                 Log.report(logvisor::Fatal, "unable to build shader");
             returnFunc(ret);
@@ -790,8 +792,9 @@ struct SPIRVBackendFactory : IShaderBackendFactory
                                       tag.getPrimType(), tag.getDepthTest() ? boo::ZTest::LEqual : boo::ZTest::None,
                                       slot.noDepthWrite ? false : tag.getDepthWrite(),
                                       !slot.noColorWrite, !slot.noAlphaWrite,
-                                      slot.frontfaceCull ? boo::CullMode::Frontface :
-                                      (tag.getBackfaceCulling() ? boo::CullMode::Backface : boo::CullMode::None));
+                                      (slot.cullMode == hecl::Backend::CullMode::Original) ?
+                                      (tag.getBackfaceCulling() ? boo::CullMode::Backface : boo::CullMode::None) :
+                                      boo::CullMode(slot.cullMode));
             if (!ret)
                 Log.report(logvisor::Fatal, "unable to build shader");
             cachedSz += pipeBlob.vert.size() * sizeof(unsigned int);
@@ -904,8 +907,9 @@ struct SPIRVBackendFactory : IShaderBackendFactory
                                       boo::BlendFactor((slot.dstFactor == hecl::Backend::BlendFactor::Original) ? blendDst : slot.dstFactor),
                                       tag.getPrimType(), zTest, slot.noDepthWrite ? false : tag.getDepthWrite(),
                                       !slot.noColorWrite, !slot.noAlphaWrite,
-                                      slot.frontfaceCull ? boo::CullMode::Frontface :
-                                      (tag.getBackfaceCulling() ? boo::CullMode::Backface : boo::CullMode::None));
+                                      (slot.cullMode == hecl::Backend::CullMode::Original) ?
+                                      (tag.getBackfaceCulling() ? boo::CullMode::Backface : boo::CullMode::None) :
+                                      boo::CullMode(slot.cullMode));
             if (!ret)
                 Log.report(logvisor::Fatal, "unable to build shader");
             returnFunc(ret);
diff --git a/hecl/lib/Backend/HLSL.cpp b/hecl/lib/Backend/HLSL.cpp
index 68c8b1221..fd94354b7 100644
--- a/hecl/lib/Backend/HLSL.cpp
+++ b/hecl/lib/Backend/HLSL.cpp
@@ -544,8 +544,9 @@ struct HLSLBackendFactory : IShaderBackendFactory
                                   boo::BlendFactor((slot.dstFactor == hecl::Backend::BlendFactor::Original) ? m_backend.m_blendDst : slot.dstFactor),
                                   tag.getPrimType(), zTest, slot.noDepthWrite ? false : tag.getDepthWrite(),
                                   !slot.noColorWrite, !slot.noAlphaWrite,
-                                  slot.frontfaceCull ? boo::CullMode::Frontface :
-                                  (tag.getBackfaceCulling() ? boo::CullMode::Backface : boo::CullMode::None));
+                                  (slot.cullMode == hecl::Backend::CullMode::Original) ?
+                                  (tag.getBackfaceCulling() ? boo::CullMode::Backface : boo::CullMode::None) :
+                                  boo::CullMode(slot.cullMode));
             if (!ret)
                 Log.report(logvisor::Fatal, "unable to build shader");
             if (thisPipeBlobs.vert)
@@ -664,8 +665,9 @@ struct HLSLBackendFactory : IShaderBackendFactory
                                   boo::BlendFactor((slot.dstFactor == hecl::Backend::BlendFactor::Original) ? blendDst : slot.dstFactor),
                                   tag.getPrimType(), zTest, slot.noDepthWrite ? false : tag.getDepthWrite(),
                                   !slot.noColorWrite, !slot.noAlphaWrite,
-                                  slot.frontfaceCull ? boo::CullMode::Frontface :
-                                  (tag.getBackfaceCulling() ? boo::CullMode::Backface : boo::CullMode::None));
+                                  (slot.cullMode == hecl::Backend::CullMode::Original) ?
+                                  (tag.getBackfaceCulling() ? boo::CullMode::Backface : boo::CullMode::None) :
+                                  boo::CullMode(slot.cullMode));
             if (!ret)
                 Log.report(logvisor::Fatal, "unable to build shader");
             returnFunc(ret);
diff --git a/hecl/lib/Backend/Metal.cpp b/hecl/lib/Backend/Metal.cpp
index 26f3865fb..ed62300f8 100644
--- a/hecl/lib/Backend/Metal.cpp
+++ b/hecl/lib/Backend/Metal.cpp
@@ -591,8 +591,9 @@ struct MetalBackendFactory : IShaderBackendFactory
                                   boo::BlendFactor((slot.dstFactor == hecl::Backend::BlendFactor::Original) ? m_backend.m_blendDst : slot.dstFactor),
                                   tag.getPrimType(), zTest, slot.noDepthWrite ? false : tag.getDepthWrite(),
                                   !slot.noColorWrite, !slot.noAlphaWrite,
-                                  slot.frontfaceCull ? boo::CullMode::Frontface :
-                                  (tag.getBackfaceCulling() ? boo::CullMode::Backface : boo::CullMode::None));
+                                  (slot.cullMode == hecl::Backend::CullMode::Original) ?
+                                  (tag.getBackfaceCulling() ? boo::CullMode::Backface : boo::CullMode::None) :
+                                  boo::CullMode(slot.cullMode));
             if (!ret)
                 Log.report(logvisor::Fatal, "unable to build shader");
 
@@ -683,8 +684,9 @@ struct MetalBackendFactory : IShaderBackendFactory
                                   boo::BlendFactor((slot.dstFactor == hecl::Backend::BlendFactor::Original) ? blendDst : slot.dstFactor),
                                   tag.getPrimType(), zTest, slot.noDepthWrite ? false : tag.getDepthWrite(),
                                   !slot.noColorWrite, !slot.noAlphaWrite,
-                                  slot.frontfaceCull ? boo::CullMode::Frontface :
-                                  (tag.getBackfaceCulling() ? boo::CullMode::Backface : boo::CullMode::None));
+                                  (slot.cullMode == hecl::Backend::CullMode::Original) ?
+                                  (tag.getBackfaceCulling() ? boo::CullMode::Backface : boo::CullMode::None) :
+                                  boo::CullMode(slot.cullMode));
             if (!ret)
                 Log.report(logvisor::Fatal, "unable to build shader");
             returnFunc(ret);
diff --git a/hecl/lib/Runtime/ShaderCacheManager.cpp b/hecl/lib/Runtime/ShaderCacheManager.cpp
index b5aff33e6..b42358760 100644
--- a/hecl/lib/Runtime/ShaderCacheManager.cpp
+++ b/hecl/lib/Runtime/ShaderCacheManager.cpp
@@ -66,7 +66,7 @@ uint64_t ShaderCacheExtensions::hashExtensions() const
         UpdateFieldHash(&st, slot.srcFactor);
         UpdateFieldHash(&st, slot.dstFactor);
         UpdateFieldHash(&st, slot.depthTest);
-        UpdateFieldHash(&st, slot.frontfaceCull);
+        UpdateFieldHash(&st, slot.cullMode);
         UpdateFieldHash(&st, slot.noDepthWrite);
         UpdateFieldHash(&st, slot.noColorWrite);
         UpdateFieldHash(&st, slot.noAlphaWrite);