LibGL: Implement fog in `GL_LINEAR` mode

The `GL_LINEAR` param was erroneously not picked up on. Also implement
support for `GL_FOG_START` and `GL_FOG_END`, and make sure that the
`gl_fog*` family of functions are optionally registered with the active
list.

1 files changed, 4 insertions, 1 deletions

diff --git a/Userland/Libraries/LibGL/SoftwareGLContext.h b/Userland/Libraries/LibGL/SoftwareGLContext.h
index 025936c4d8..8ef1452fce 100644
--- a/Userland/Libraries/LibGL/SoftwareGLContext.h
+++ b/Userland/Libraries/LibGL/SoftwareGLContext.h
@@ -321,7 +321,10 @@ private:
             decltype(&SoftwareGLContext::gl_copy_tex_image_2d),
             decltype(&SoftwareGLContext::gl_rect),
             decltype(&SoftwareGLContext::gl_tex_gen),
-            decltype(&SoftwareGLContext::gl_tex_gen_floatv)>;
+            decltype(&SoftwareGLContext::gl_tex_gen_floatv),
+            decltype(&SoftwareGLContext::gl_fogf),
+            decltype(&SoftwareGLContext::gl_fogfv),
+            decltype(&SoftwareGLContext::gl_fogi)>;
 
         using ExtraSavedArguments = Variant<
             FloatMatrix4x4>;