[Improvement] (MG_State/RenderState): Remove redundant cullFaceEnabled setter/getter.

MobileGL/MG_State/GLState/Core.cpp

@@ -281,14 +281,6 @@ namespace MobileGL {
                 return m_renderState.GetCullFaceMode();
             }
 
-            void GLContext::SetCullFaceEnabled(Bool enabled) {
-                m_renderState.SetCullFaceEnabled(enabled);
-            }
-
-            Bool GLContext::IsCullFaceEnabled() const {
-                return m_renderState.IsCullFaceEnabled();
-            }
-
             // Framebuffer
             Vector<Uint> GLContext::GenFramebufferNames(Uint number) {
                 return m_framebufferState.GenerateNames(number);

MobileGL/MG_State/GLState/Core.h

@@ -90,8 +90,6 @@ namespace MobileGL {
                 Int GetPixelStoreParam(PixelStoreParam param) const;
                 void SetCullFaceMode(CullFaceMode mode);
                 CullFaceMode GetCullFaceMode() const;
-                void SetCullFaceEnabled(Bool enabled);
-                Bool IsCullFaceEnabled() const;
 
                 // Framebuffer
                 Vector<Uint> GenFramebufferNames(Uint number);

MobileGL/MG_State/GLState/RenderState/RenderState.cpp

@@ -50,6 +50,8 @@ namespace MobileGL {
                     return m_blendEnabled;
                 case CapabilityInput::DepthTest:
                     return m_depthTestEnabled;
+                case CapabilityInput::CullFace:
+                    return m_cullFaceEnabled;
                 default:
                     return false;
                 }
@@ -132,14 +134,6 @@ namespace MobileGL {
             CullFaceMode RenderState::GetCullFaceMode() const {
                 return m_cullFaceMode;
             }
-
-            void RenderState::SetCullFaceEnabled(Bool enabled) {
-                m_cullFaceEnabled = enabled;
-            }
-
-            Bool RenderState::IsCullFaceEnabled() const {
-                return m_cullFaceEnabled;
-            }
         } // namespace GLState
     } // namespace MG_State
 } // namespace MobileGL

MobileGL/MG_State/GLState/RenderState/RenderState.h

@@ -150,8 +150,6 @@ namespace MobileGL {
                 // Cull Face
                 void SetCullFaceMode(CullFaceMode mode);
                 CullFaceMode GetCullFaceMode() const;
-                void SetCullFaceEnabled(Bool enabled);
-                Bool IsCullFaceEnabled() const;
 
             private:
                 // Rasterization