Added a utility function for gl to D3D11 rasterizer states.

src/libGLESv2/renderer/renderer11_utils.cpp

@@ -78,6 +78,28 @@ UINT8 ConvertColorMask(bool red, bool green, bool blue, bool alpha)
     return mask;
 }
 
+D3D11_CULL_MODE ConvertCullMode(bool cullEnabled, GLenum cullMode)
+{
+    D3D11_CULL_MODE cull = D3D11_CULL_NONE;
+
+    if (cullEnabled)
+    {
+        switch (cullMode)
+        {
+          case GL_FRONT:            cull = D3D11_CULL_FRONT;    break;
+          case GL_BACK:             cull = D3D11_CULL_BACK;     break;
+          case GL_FRONT_AND_BACK:   cull = D3D11_CULL_NONE;     break;
+          default: UNREACHABLE();
+        }
+    }
+    else
+    {
+        cull = D3D11_CULL_NONE;
+    }
+
+    return cull;
+}
+
 }
 
 namespace d3d11_gl

src/libGLESv2/renderer/renderer11_utils.h

@@ -12,16 +12,18 @@
 #include <GLES2/gl2ext.h>
 #include <d3d11.h>
 
-#include "libGLESv2/angletypes.h"
-
-namespace gl_d3d11
-{
-
-D3D11_BLEND ConvertBlendFunc(GLenum glBlend);
-D3D11_BLEND_OP ConvertBlendOp(GLenum glBlendOp);
-UINT8 ConvertColorMask(bool maskRed, bool maskGreen, bool maskBlue, bool maskAlpha);
-
-}
+#include "libGLESv2/angletypes.h"
+
+namespace gl_d3d11
+{
+
+D3D11_BLEND ConvertBlendFunc(GLenum glBlend);
+D3D11_BLEND_OP ConvertBlendOp(GLenum glBlendOp);
+UINT8 ConvertColorMask(bool maskRed, bool maskGreen, bool maskBlue, bool maskAlpha);
+
+D3D11_CULL_MODE ConvertCullMode(bool cullEnabled, GLenum cullMode);
+
+}
 
 namespace d3d11_gl
 {