Game: Fixed missing check for the availability of stencil buffer

[d2df-sdl.git] / src / game / sdl2 / g_system.pas

diff --git a/src/game/sdl2/g_system.pas b/src/game/sdl2/g_system.pas
index 9cd1ee194b0ae4b89bb587e593c689067fd477cb..b3005d56b637b464dfa8341f756ef63c12ba21f7 100644 (file)
--- a/src/game/sdl2/g_system.pas
+++ b/src/game/sdl2/g_system.pas
@@ -75,12 +75,22 @@ implementation
   (* --------- Graphics --------- *)
 
   function LoadGL: Boolean;
+  {$IFNDEF NOGL_INIT}
+  var
+    ltmp: Integer;
+  {$ENDIF}
   begin
     result := true;
     {$IFDEF NOGL_INIT}
     nogl_Init;
     if glRenderToFBO and (not nogl_ExtensionSupported('GL_OES_framebuffer_object')) then
     {$ELSE}
+    if SDL_GL_GetAttribute(SDL_GL_STENCIL_SIZE, @ltmp) = 0 then
+    begin
+      e_LogWritefln('stencil buffer size: %s', [ltmp]);
+      gwin_has_stencil := (ltmp > 0);
+    end;
+
     if glRenderToFBO and (not Load_GL_ARB_framebuffer_object) then
     {$ENDIF}
     begin