index 00770890eb99be483c7e1f2b6cfe3e7cad38efaf..c53a7b347596c44c4331497c94c7ee3a2cb524b0 100644 (file)
(* --------- Graphics --------- *)
(* --------- Graphics --------- *)
+ function LoadGL: Boolean;
+ begin
+ result := true;
+ {$IFDEF NOGL_INIT}
+ nogl_Init;
+ if glRenderToFBO and (not nogl_ExtensionSupported('GL_OES_framebuffer_object')) then
+ {$ELSE}
+ if glRenderToFBO and (not Load_GL_ARB_framebuffer_object) then
+ {$ENDIF}
+ begin
+ e_LogWriteln('GL: framebuffer objects not supported; disabling FBO rendering');
+ glRenderToFBO := false;
+ end;
+ end;
+
+ procedure FreeGL;
+ begin
+ {$IFDEF NOGL_INIT}
+ nogl_Quit();
+ {$ENDIF}
+ end;
+
procedure UpdateSize (w, h: Integer);
begin
gWinSizeX := w;
gWinSizeY := h;
procedure UpdateSize (w, h: Integer);
begin
gWinSizeX := w;
gWinSizeY := h;
- gScreenWidth := w;
- gScreenHeight := h;
gRC_Width := w;
gRC_Height := h;
gRC_Width := w;
gRC_Height := h;
+ if glRenderToFBO then
+ begin
+ // store real window size in gWinSize, downscale resolution now
+ w := round(w / r_pixel_scale);
+ h := round(h / r_pixel_scale);
+ if not e_ResizeFramebuffer(w, h) then
+ begin
+ e_LogWriteln('GL: could not create framebuffer, falling back to --no-fbo');
+ glRenderToFBO := False;
+ w := gWinSizeX;
+ h := gWinSizeY;
+ end;
+ end;
+ gScreenWidth := w;
+ gScreenHeight := h;
{$IFDEF ENABLE_HOLMES}
fuiScrWdt := w;
fuiScrHgt := h;
{$IFDEF ENABLE_HOLMES}
fuiScrWdt := w;
fuiScrHgt := h;
screen := SDL_SetVideoMode(w, h, bpp, flags);
if screen <> nil then
begin
screen := SDL_SetVideoMode(w, h, bpp, flags);
if screen <> nil then
begin
- {$IFDEF NOGL_INIT}
- nogl_Init;
- {$ENDIF}
+ if not LoadGL then
+ begin
+ e_LogWriteln('GL: unable to load OpenGL functions', TMsgType.Fatal);
+ exit;
+ end;
SDL_WM_SetCaption(GetTitle(), nil);
gFullScreen := fullscreen;
gRC_FullScreen := fullscreen;
SDL_WM_SetCaption(GetTitle(), nil);
gFullScreen := fullscreen;
gRC_FullScreen := fullscreen;
RemoveJoystick(i);
if screen <> nil then
begin
RemoveJoystick(i);
if screen <> nil then
begin
- {$IFDEF NOGL_INIT}
- nogl_Quit;
- {$ENDIF}
+ FreeGL;
SDL_FreeSurface(screen)
end;
SDL_Quit
SDL_FreeSurface(screen)
end;
SDL_Quit