Fix rendering without shadows

src/Render.hs

@@ -98,6 +98,9 @@ renderLightingNoShadows positiontexture normaltexture lightPoints pdata = do
             (fromIntegral (4 :: Int))
     --cleanup: may not be necessary, depending on what comes after...
     glDisable GL_CULL_FACE
+    glStencilFunc GL_NOTEQUAL 128 255
+    glStencilOp GL_KEEP GL_KEEP GL_KEEP
+    glColorMask GL_TRUE GL_TRUE GL_TRUE GL_TRUE
 --    glDisable GL_STENCIL_TEST
 
 
@@ -113,6 +116,8 @@ renderFlatLighting pdata = do
     glDisable GL_CULL_FACE
     glDepthFunc GL_ALWAYS
     glDepthMask GL_FALSE
+    glStencilFunc GL_NOTEQUAL 128 255
+    glStencilOp GL_KEEP GL_KEEP GL_KEEP
 
 renderShadows ::
     ShadowRendering ->
@@ -143,7 +148,6 @@ renderShadows shadrendertype nWalls nSils nCaps positiontexture normaltexture li
             ptr
     -- setup stencil and blending
     glBlendFunc GL_ZERO GL_ONE_MINUS_SRC_COLOR
-    glEnable GL_STENCIL_TEST
     glStencilOpSeparate GL_FRONT GL_KEEP GL_KEEP GL_INCR_WRAP
     glStencilOpSeparate GL_BACK GL_KEEP GL_KEEP GL_DECR_WRAP
     -- bind world position texture-- these will be used by the lighting shader