From e8db39229c0afe967e571340362412853ee4749c Mon Sep 17 00:00:00 2001
From: James R <justsomejames2@gmail.com>
Date: Mon, 30 Dec 2019 20:29:41 -0800
Subject: [PATCH] Don't let the user switch to OpenGL if NOHW

---
 src/screen.c | 13 +++++++++++--
 1 file changed, 11 insertions(+), 2 deletions(-)

diff --git a/src/screen.c b/src/screen.c
index f9d81f8af..6a60c53da 100644
--- a/src/screen.c
+++ b/src/screen.c
@@ -64,7 +64,13 @@ consvar_t cv_scr_depth = {"scr_depth", "16 bits", CV_SAVE, scr_depth_cons_t, NUL
 consvar_t cv_renderview = {"renderview", "On", 0, CV_OnOff, NULL, 0, NULL, NULL, 0, 0, NULL};
 
 static void SCR_ActuallyChangeRenderer(void);
-CV_PossibleValue_t cv_renderer_t[] = {{1, "Software"}, {2, "OpenGL"}, {0, NULL}};
+CV_PossibleValue_t cv_renderer_t[] = {
+	{1, "Software"},
+#ifdef HWRENDER
+	{2, "OpenGL"},
+#endif
+	{0, NULL}
+};
 consvar_t cv_renderer = {"renderer", "Software", CV_SAVE|CV_NOLUA|CV_CALL, cv_renderer_t, SCR_ChangeRenderer, 0, NULL, NULL, 0, 0, NULL};
 
 static void SCR_ChangeFullscreen(void);
@@ -454,9 +460,12 @@ void SCR_ChangeRenderer(void)
 	if (con_startup)
 	{
 		target_renderer = cv_renderer.value;
+#ifdef HWRENDER
 		if (M_CheckParm("-opengl"))
 			target_renderer = rendermode = render_opengl;
-		else if (M_CheckParm("-software"))
+		else
+#endif
+		if (M_CheckParm("-software"))
 			target_renderer = rendermode = render_soft;
 		// set cv_renderer back
 		SCR_ChangeRendererCVars(rendermode);