Support depth clip mode and disable shader fast math optimization on NVIDIA as a workaround for compiler bugs (?)

Ryujinx.Graphics.GAL/DepthMode.cs

@@ -0,0 +1,8 @@
+namespace Ryujinx.Graphics.GAL
+{
+    public enum DepthMode
+    {
+        MinusOneToOne,
+        ZeroToOne
+    }
+}

Ryujinx.Graphics.GAL/IPipeline.cs

@@ -49,6 +49,8 @@ namespace Ryujinx.Graphics.GAL
 
         void SetDepthBias(PolygonModeMask enables, float factor, float units, float clamp);
 
+        void SetDepthMode(DepthMode mode);
+
         void SetDepthTest(DepthTestDescriptor depthTest);
 
         void SetFaceCulling(bool enable, Face face);