index 694042c37dea2db0f756e690b4d14a00f63f16e7..31c5b1cde5c4147282cd52211f24446cd9a47e12 100644 (file)
(* --------- 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();
+ {$ENDIF}
+ end;
+
procedure UpdateSize (w, h: Integer);
begin
gWinSizeX := w;
gWinSizeY := h;
- gScreenWidth := w;
- gScreenHeight := h;
gRC_Width := w;
gRC_Height := h;
+ if glRenderToFBO then
+ begin
+ // store real window size in gWinSize, downscale resolution now
+ w := round(w / r_pixel_scale);
+ h := round(h / r_pixel_scale);
+ e_ResizeFramebuffer(w, h);
+ end;
+ gScreenWidth := w;
+ gScreenHeight := h;
{$IFDEF ENABLE_HOLMES}
fuiScrWdt := w;
fuiScrHgt := h;
context := SDL_GL_CreateContext(window);
if context <> nil then
begin
- {$IFDEF NOGL_INIT}
- nogl_Init;
- {$ENDIF}
+ if not LoadGL then
+ begin
+ e_LogWriteln('GL: unable to load OpenGL functions', TMsgType.Fatal);
+ SDL_GL_DeleteContext(context); context := nil;
+ exit;
+ end;
if (fullscreen = false) and (maximized = false) and (wc = false) then
begin
SDL_GetWindowPosition(window, @x, @y);
end
else
begin
+ if fullScreen then flags := SDL_WINDOW_FULLSCREEN else flags := 0;
+ SDL_SetWindowFullscreen(window, flags);
SDL_SetWindowSize(window, w, h);
- if wc then
+ if maximized then SDL_MaximizeWindow(window);
+ // always reset to center when changing fullscreen->windowed for safety purposes
+ if wc or (gFullscreen and not fullscreen) or (gWinMaximized and not maximized) then
begin
x := SDL_WINDOWPOS_CENTERED;
y := SDL_WINDOWPOS_CENTERED
SDL_GetWindowPosition(window, @x, @y);
wx := x; wy := y
end;
- if maximized then
- SDL_MaximizeWindow(window);
- if fullScreen then flags := SDL_WINDOW_FULLSCREEN else flags := 0;
- SDL_SetWindowFullscreen(window, flags);
gFullScreen := fullscreen;
gWinMaximized := maximized;
gRC_FullScreen := fullscreen;
procedure sys_Repaint;
begin
+ if glRenderToFBO then
+ e_BlitFramebuffer(gWinSizeX, gWinSizeY);
SDL_GL_SwapWindow(window)
end;
e_WriteLog('Releasing SDL2', TMsgType.Notify);
if context <> nil then
begin
- {$IFDEF NOGL_INIT}
- nogl_Quit;
- {$ENDIF}
+ FreeGL;
SDL_GL_DeleteContext(context);
context := nil;
end;