check FBO status and fall back to no-fbo if something is wrong

[d2df-sdl.git] / src / game / sdl / g_system.pas

diff --git a/src/game/sdl/g_system.pas b/src/game/sdl/g_system.pas
index b8669727567d05f88805dd4cac5874201eab651f..68f99188a830691b8f2d149e33ad70873d7a3191 100644 (file)
--- a/src/game/sdl/g_system.pas
+++ b/src/game/sdl/g_system.pas
@@ -24,7 +24,6 @@ interface
   procedure sys_Delay (ms: Integer);
 
   (* --- Graphics --- *)
-  function sys_LoadGL: Boolean;
   function sys_GetDisplayModes (bpp: Integer): SSArray;
   function sys_SetDisplayMode (w, h, bpp: Integer; fullscreen, maximized: Boolean): Boolean;
   procedure sys_EnableVSync (yes: Boolean);
@@ -104,7 +103,13 @@ implementation
       // store real window size in gWinSize, downscale resolution now
       w := round(w / r_pixel_scale);
       h := round(h / r_pixel_scale);
-      e_ResizeFramebuffer(w, h);
+      if not e_ResizeFramebuffer(w, h) then
+      begin
+        e_LogWriteln('GL: could not create framebuffer, falling back to --no-fbo');
+        glRenderToFBO := False;
+        w := gWinSizeX;
+        h := gWinSizeY;
+      end;
     end;
     gScreenWidth := w;
     gScreenHeight := h;