From f340184a6bf5925c6b020b831c9b9b512b7b1ef4 Mon Sep 17 00:00:00 2001
From: GPF <troy_ed@yahoo.com>
Date: Sat, 4 Jan 2025 16:38:25 -0700
Subject: [PATCH] if SDL_VIDEO_OPENGL mode enabled, default screen size is
 640X480

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

diff --git a/src/video/dreamcast/SDL_dreamcastvideo.c b/src/video/dreamcast/SDL_dreamcastvideo.c
index b0fb9d993bd88..049ef2bc9cf8d 100644
--- a/src/video/dreamcast/SDL_dreamcastvideo.c
+++ b/src/video/dreamcast/SDL_dreamcastvideo.c
@@ -207,6 +207,7 @@ int DREAMCAST_VideoInit(_THIS) {
     int height = 480;    
     const char *video_mode_hint = SDL_GetHint(SDL_HINT_DC_VIDEO_MODE);
     if (video_mode_hint != NULL && strcmp(video_mode_hint, "SDL_DC_TEXTURED_VIDEO") == 0) {
+        SDL_Log("Initializing SDL_DC_TEXTURED_VIDEO");
         width = 320;
         height = 240;
     }
@@ -265,6 +266,9 @@ int DREAMCAST_SetDisplayMode(_THIS, SDL_VideoDisplay *display, SDL_DisplayMode *
 
     // Determine the appropriate display mode
     if (__sdl_dc_is_60hz) {
+#ifdef SDL_VIDEO_OPENGL
+    disp_mode = DM_640x480;
+#else    
         if (mode->w == 320 && mode->h == 240) {
             disp_mode = DM_320x240;
         } else if (mode->w == 640 && mode->h == 480) {
@@ -272,14 +276,19 @@ int DREAMCAST_SetDisplayMode(_THIS, SDL_VideoDisplay *display, SDL_DisplayMode *
         } else if (mode->w == 768 && mode->h == 480) {
             disp_mode = DM_768x480;
         }
-    } else {
+    }
+#endif    
+     else {
+#ifdef SDL_VIDEO_OPENGL
+    disp_mode = DM_640x480_PAL_IL;
+#else          
         if (mode->w == 320 && mode->h == 240) {
             disp_mode = DM_320x240_PAL;
         } else if (mode->w == 640 && mode->h == 480) {
             disp_mode = DM_640x480_PAL_IL;
         }
     }
-
+#endif
     if (disp_mode < 0) {
         SDL_SetError("Unsupported display mode");
         return -1;