597 

   597 

   598 {$IFDEF DEBUGFILE}

   598 {$IFDEF DEBUGFILE}

   599 AddFileLog('Prepare to change video parameters...');

   599 AddFileLog('Prepare to change video parameters...');

   600 {$ENDIF}

   600 {$ENDIF}

   601 

   601 

   602 SDL_GL_SetAttribute(SDL_GL_DOUBLEBUFFER, 1);

   603 SDL_GL_SetAttribute(SDL_GL_DOUBLEBUFFER, 1);

   604 // remove these if they cause incompatibility

   605 // remove these if they cause incompatibility

   605 SDL_GL_SetAttribute(SDL_GL_DOUBLEBUFFER, 0);

   606 SDL_GL_SetAttribute(SDL_GL_DOUBLEBUFFER, 0);

   606 SDL_GL_SetAttribute(SDL_GL_RETAINED_BACKING, 1);

   607 SDL_GL_SetAttribute(SDL_GL_RETAINED_BACKING, 1);

   607 SDL_GL_SetAttribute(SDL_GL_DEPTH_SIZE, 0);

   608 SDL_GL_SetAttribute(SDL_GL_DEPTH_SIZE, 0);

   609 // this attribute is default in 1.3

   612 // this attribute is default in 1.3

   610 SDL_GL_SetAttribute(SDL_GL_SWAP_CONTROL, 1);

   613 SDL_GL_SetAttribute(SDL_GL_SWAP_CONTROL, 1);

   611 {$ENDIF}

   614 {$ENDIF}

   612 

   615 

   613 flags:= SDL_OPENGL;// or SDL_RESIZABLE;

   616 flags:= SDL_OPENGL;// or SDL_RESIZABLE;