index 00770890eb99be483c7e1f2b6cfe3e7cad38efaf..b8669727567d05f88805dd4cac5874201eab651f 100644 (file)
procedure sys_Delay (ms: Integer);
(* --- Graphics --- *)
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);
function sys_GetDisplayModes (bpp: Integer): SSArray;
function sys_SetDisplayMode (w, h, bpp: Integer; fullscreen, maximized: Boolean): Boolean;
procedure sys_EnableVSync (yes: Boolean);
(* --------- 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();
+ {$ENDIF}
+ end;
+
procedure UpdateSize (w, h: Integer);
begin
gWinSizeX := w;
gWinSizeY := h;
procedure UpdateSize (w, h: Integer);
begin
gWinSizeX := w;
gWinSizeY := h;
- gScreenWidth := w;
- gScreenHeight := h;
gRC_Width := w;
gRC_Height := h;
gRC_Width := w;
gRC_Height := h;
+ if glRenderToFBO then
+ begin
+ // store real window size in gWinSize, downscale resolution now
+ w := round(w / r_pixel_scale);
+ h := round(h / r_pixel_scale);
+ e_ResizeFramebuffer(w, h);
+ end;
+ gScreenWidth := w;
+ gScreenHeight := h;
{$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;
- {$ENDIF}
+ if not LoadGL then
+ begin
+ e_LogWriteln('GL: unable to load OpenGL functions', TMsgType.Fatal);
+ exit;
+ end;
SDL_WM_SetCaption(GetTitle(), nil);
gFullScreen := fullscreen;
gRC_FullScreen := fullscreen;
SDL_WM_SetCaption(GetTitle(), nil);
gFullScreen := fullscreen;
gRC_FullScreen := fullscreen;
procedure sys_Repaint;
begin
procedure sys_Repaint;
begin
+ if glRenderToFBO then
+ e_BlitFramebuffer(gWinSizeX, gWinSizeY);
SDL_GL_SwapBuffers
end;
SDL_GL_SwapBuffers
end;
RemoveJoystick(i);
if screen <> nil then
begin
RemoveJoystick(i);
if screen <> nil then
begin
- {$IFDEF NOGL_INIT}
- nogl_Quit;
- {$ENDIF}
+ FreeGL;
SDL_FreeSurface(screen)
end;
SDL_Quit
SDL_FreeSurface(screen)
end;
SDL_Quit