Gsdx-d3d: Allow Direct3D11 to skip psm.depth on texture sampler.

depth fmt is not yet supported. This ensures there are no regressions,
and we are skipping the draw calls for depth fmt not yet supported.

plugins/GSdx/Renderers/DXCommon/GSRendererDX.cpp

@@ -242,6 +242,12 @@ void GSRendererDX::EmulateTextureSampler(const GSTextureCache::Source* tex)
 
 	GSVector4 WH(tw, th, w, h);
 
+	if (psm.depth)
+	{
+		// Depth fmt not supported yet, ensure draw calls are skipped to make sure convert depth works properly.
+		throw GSDXRecoverableError();
+	}
+
 	// Performance note:
 	// 1/ Don't set 0 as it is the default value
 	// 2/ Only keep aem when it is useful (avoid useless shader permutation)