LibGL: Implement glScissor()

Author: https://github.com/gmta
Commit: bb58f6ccab
Pull-request: https://github.com/SerenityOS/serenity/pull/11103
Reviewed-by: https://github.com/sunverwerth ✅

Userland/Libraries/LibGL/GLUtils.cpp

@@ -154,3 +154,8 @@ void glPixelStorei(GLenum pname, GLint param)
 {
     g_gl_context->gl_pixel_store(pname, param);
 }
+
+void glScissor(GLint x, GLint y, GLsizei width, GLsizei height)
+{
+    g_gl_context->gl_scissor(x, y, width, height);
+}