LibGL: Implement glDepthRange

Author: https://github.com/sunverwerth
Commit: a97dbd2317
Pull-request: https://github.com/SerenityOS/serenity/pull/9451
Reviewed-by: https://github.com/Quaker762 ✅
Reviewed-by: https://github.com/alimpfard

Userland/Libraries/LibGL/GLContext.h

@@ -74,6 +74,7 @@ public:
     virtual void gl_color_mask(GLboolean red, GLboolean green, GLboolean blue, GLboolean alpha) = 0;
     virtual void gl_get_booleanv(GLenum pname, GLboolean* data) = 0;
     virtual void gl_get_integerv(GLenum pname, GLint* data) = 0;
+    virtual void gl_depth_range(GLdouble min, GLdouble max) = 0;
 
     virtual void present() = 0;
 };