X-Git-Url: https://deadsoftware.ru/gitweb?a=blobdiff_plain;f=src%2Fgame%2Fsdl%2Fg_system.pas;h=c53a7b347596c44c4331497c94c7ee3a2cb524b0;hb=c7a5223f1e2520ab13b480b937af1e208201de15;hp=4a4a3cb34c92799203e3db627d004a33d2d7769a;hpb=4171d8dd0b8d733da27c584616e431811bf0fdcf;p=d2df-sdl.git

diff --git a/src/game/sdl/g_system.pas b/src/game/sdl/g_system.pas
index 4a4a3cb..c53a7b3 100644
--- a/src/game/sdl/g_system.pas
+++ b/src/game/sdl/g_system.pas
@@ -24,8 +24,8 @@ interface
   procedure sys_Delay (ms: Integer);
 
   (* --- Graphics --- *)
-  function sys_GetDispalyModes (bpp: Integer): SSArray;
-  function sys_SetDisplayMode (w, h, bpp: Integer; fullscreen: Boolean): Boolean;
+  function sys_GetDisplayModes (bpp: Integer): SSArray;
+  function sys_SetDisplayMode (w, h, bpp: Integer; fullscreen, maximized: Boolean): Boolean;
   procedure sys_EnableVSync (yes: Boolean);
   procedure sys_Repaint;
 
@@ -43,10 +43,10 @@ implementation
     SysUtils, SDL, Math,
     {$INCLUDE ../nogl/noGLuses.inc}
     e_log, e_graphics, e_input, e_sound,
-    g_options, g_window, g_console, g_game, g_menu, g_gui, g_main;
+    g_options, g_window, g_console, g_game, g_menu, g_gui, g_main, g_basic;
 
   const
-    GameTitle = 'Doom 2D: Forever (SDL 1.2)';
+    GameTitle = 'Doom 2D: Forever (SDL 1.2, %s)';
 
   var
     userResize: Boolean;
@@ -70,12 +70,47 @@ implementation
 
   (* --------- 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();
+    {$ENDIF}
+  end;
+
   procedure UpdateSize (w, h: Integer);
   begin
     gWinSizeX := w;
     gWinSizeY := h;
-    gWinRealPosX := 0;
-    gWinRealPosY := 0;
+    gRC_Width := w;
+    gRC_Height := h;
+    if glRenderToFBO then
+    begin
+      // store real window size in gWinSize, downscale resolution now
+      w := round(w / r_pixel_scale);
+      h := round(h / r_pixel_scale);
+      if not e_ResizeFramebuffer(w, h) then
+      begin
+        e_LogWriteln('GL: could not create framebuffer, falling back to --no-fbo');
+        glRenderToFBO := False;
+        w := gWinSizeX;
+        h := gWinSizeY;
+      end;
+    end;
     gScreenWidth := w;
     gScreenHeight := h;
     {$IFDEF ENABLE_HOLMES}
@@ -89,11 +124,20 @@ implementation
     g_Game_ClearLoading;
   end;
 
+  function GetTitle (): PChar;
+    var info: AnsiString;
+  begin
+    info := g_GetBuildHash(false);
+    if info = 'custom build' then
+      info := info + ' by ' + g_GetBuilderName() + ' ' + GAME_BUILDDATE + ' ' + GAME_BUILDTIME;
+    result := PChar(Format(GameTitle, [info]))
+  end;
+
   function InitWindow (w, h, bpp: Integer; fullScreen: Boolean): Boolean;
     var flags: Uint32;
   begin
     e_LogWritefln('InitWindow %s %s %s %s', [w, h, bpp, fullScreen]);
-    result := False;
+    result := false;
     SDL_GL_SetAttribute(SDL_GL_RED_SIZE, 8);
     SDL_GL_SetAttribute(SDL_GL_GREEN_SIZE, 8);
     SDL_GL_SetAttribute(SDL_GL_BLUE_SIZE, 8);
@@ -109,10 +153,14 @@ implementation
       screen := SDL_SetVideoMode(w, h, bpp, flags);
       if screen <> nil then
       begin
-        {$IFDEF USE_NOGL}
-          nogl_Init;
-        {$ENDIF}
-        SDL_WM_SetCaption(GameTitle, nil);
+        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;
         UpdateSize(w, h);
         result := True
       end
@@ -133,7 +181,7 @@ implementation
     (* ??? *)
   end;
 
-  function sys_GetDispalyModes (bpp: Integer): SSArray;
+  function sys_GetDisplayModes (bpp: Integer): SSArray;
     var m: PPSDL_Rect; f: TSDL_PixelFormat; i, count: Integer;
   begin
     SetLength(result, 0);
@@ -142,7 +190,7 @@ implementation
     f.BitsPerPixel := bpp;
     f.BytesPerPixel := (bpp + 7) div 8;
     m := SDL_ListModes(@f, SDL_OPENGL or SDL_FULLSCREEN);
-    if (m <> NIL) and (IntPtr(m) <> -1) then
+    if (m <> NIL) and (UIntPtr(m) <> UIntPtr(-1)) then
     begin
       count := 0;
       while m[count] <> nil do inc(count);
@@ -152,7 +200,7 @@ implementation
     end
   end;
 
-  function sys_SetDisplayMode (w, h, bpp: Integer; fullscreen: Boolean): Boolean;
+  function sys_SetDisplayMode (w, h, bpp: Integer; fullscreen, maximized: Boolean): Boolean;
   begin
     result := InitWindow(w, h, bpp, fullscreen)
   end;
@@ -470,9 +518,7 @@ implementation
       RemoveJoystick(i);
     if screen <> nil then
     begin
-      {$IFDEF USE_NOGL}
-        nogl_Quit;
-      {$ENDIF}
+      FreeGL;
       SDL_FreeSurface(screen)
     end;
     SDL_Quit