add a pre-kP evaluation function in c

StgSharp.Graphics/OpenGL/ShaderEdit/Uniform.cs

@@ -145,8 +145,8 @@ namespace StgSharp.Graphics.OpenGL
 
         [MethodImpl(MethodImplOptions.AggressiveInlining)]
         public void SetUniformValue(
-                    [NotNull] Uniform<Matrix44> uniform,
-                    Matrix44 mat
+                    [NotNull] Uniform<GraphicsMatrix> uniform,
+                    GraphicsMatrix mat
         )
         {
             Context.glUniformMatrix4fv(uniform.id.SignedValue, 1, (byte)0, (float*)&mat);

StgSharp.Graphics/OpenGL/glRenderStream.cs

@@ -137,7 +137,7 @@ namespace StgSharp.Graphics.OpenGL
             CustomizeDeinit();
         }
 
-        protected sealed override Uniform<Matrix44> NativeCameraUniform(
+        protected sealed override Uniform<GraphicsMatrix> NativeCameraUniform(
                                                     ShaderProgram source,
                                                     string name
         )