buffer network messages (broke a lot of shit)

[d2df-sdl.git] / src / game / g_window.pas

diff --git a/src/game/g_window.pas b/src/game/g_window.pas
index 5f372f36526ca64b58316537104a2d05095f5bdc..a8c6b6a7b3c3bf8302e95d712e2a2b875750359a 100644 (file)
--- a/src/game/g_window.pas
+++ b/src/game/g_window.pas
@@ -13,7 +13,7 @@
  * You should have received a copy of the GNU General Public License
  * along with this program.  If not, see <http://www.gnu.org/licenses/>.
  *)
-{$MODE DELPHI}
+{$INCLUDE g_amodes.inc}
 unit g_window;
 
 interface
@@ -36,6 +36,11 @@ function  GetDisplayModes(dBPP: DWORD; var SelRes: DWORD): SArray;
 function  g_Window_SetDisplay(PreserveGL: Boolean = False): Boolean;
 function  g_Window_SetSize(W, H: Word; FScreen: Boolean): Boolean;
 
+var
+  gwin_dump_extensions: Boolean = false;
+  gwin_has_stencil: Boolean = false;
+  gwin_k8_enable_light_experiments: Boolean = false;
+
 implementation
 
 uses
@@ -540,10 +545,17 @@ begin
   e_SoundUpdate();
 
   if NetMode = NET_SERVER then
-    g_Net_Host_Update
-  else
-    if (NetMode = NET_CLIENT) and (NetState <> NET_STATE_AUTH) then
-      g_Net_Client_UpdateWhileLoading;
+  begin
+    g_Net_Host_Update();
+    g_Net_Flush();
+  end
+  else if NetMode = NET_CLIENT then
+    if (NetState <> NET_STATE_AUTH) then
+    begin
+      g_Net_Client_UpdateWhileLoading();
+      g_Net_Flush();
+    end;
+
   wLoadingProgress := False;
 end;
 
@@ -581,12 +593,14 @@ begin
       if NetMode = NET_SERVER then g_Net_Host_Update()
       else if NetMode = NET_CLIENT then g_Net_Client_Update();
       Update();
+      if NetMode <> NET_NONE then g_Net_Flush();
     end;
   end
-  else
+  else if NetMode <> NET_NONE then
   begin
     if NetMode = NET_SERVER then g_Net_Host_Update()
     else if NetMode = NET_CLIENT then g_Net_Client_Update();
+    g_Net_Flush();
   end;
 
   if wLoadingQuit then
@@ -637,15 +651,72 @@ begin
   SDL_GL_SetAttribute(SDL_GL_BLUE_SIZE, 8);
   SDL_GL_SetAttribute(SDL_GL_DEPTH_SIZE, 16);
   SDL_GL_SetAttribute(SDL_GL_DOUBLEBUFFER, 1);
+  if gwin_k8_enable_light_experiments then
+  begin
+    SDL_GL_SetAttribute(SDL_GL_STENCIL_SIZE, 1); // lights; it is enough to have 1-bit stencil buffer for lighting
+  end;
   SDL_GL_SetSwapInterval(v);
 end;
 
+function glHasExtension (name: AnsiString): Boolean;
+var
+  exts: PChar;
+  i: Integer;
+  found: Boolean;
+  extName: ShortString;
+begin
+  result := false;
+  if length(name) = 0 then exit;
+  exts := glGetString(GL_EXTENSIONS);
+  if exts = nil then exit;
+  while (exts[0] <> #0) and (exts[0] = ' ') do Inc(exts);
+  while exts[0] <> #0 do
+  begin
+    if gwin_dump_extensions then
+    begin
+      i := 0;
+      while (exts[i] <> #0) and (exts[i] <> ' ') do Inc(i);
+      if i > 255 then
+      begin
+        e_WriteLog('FUUUUUUUUUUUUU', MSG_WARNING);
+      end
+      else
+      begin
+        Move(exts^, extName[1], i);
+        extName[0] := Char(i);
+        e_WriteLog(Format('EXT: %s', [extName]), MSG_NOTIFY);
+      end;
+    end;
+    found := true;
+    for i := 0 to length(name)-1 do
+    begin
+      if exts[i] = #0 then begin found := false; break; end;
+      if exts[i] <> name[i+1] then begin found := false; break; end;
+    end;
+    if found and ((exts[length(name)] = #0) or (exts[length(name)] = ' ')) then begin result := true; exit; end;
+    while (exts[0] <> #0) and (exts[0] <> ' ') do Inc(exts);
+    while (exts[0] <> #0) and (exts[0] = ' ') do Inc(exts);
+  end;
+end;
+
 function SDLMain(): Integer;
+var
+  idx: Integer;
+  ltmp: Integer;
 begin
 {$IFDEF HEADLESS}
   e_NoGraphics := True;
 {$ENDIF}
 
+  for idx := 1 to ParamCount do
+  begin
+    if ParamStr(idx) = '--opengl-dump-exts' then gwin_dump_extensions := true;
+    if ParamStr(idx) = '--twinkletwinkle' then gwin_k8_enable_light_experiments := true;
+  end;
+
+  e_WriteLog('Initializing OpenGL', MSG_NOTIFY);
+  InitOpenGL(gVSync);
+
   e_WriteLog('Creating GL window', MSG_NOTIFY);
   if not CreateGLWindow(PChar(Format('Doom 2D: Forever %s', [GAME_VERSION]))) then
   begin
@@ -653,11 +724,31 @@ begin
     exit;
   end;
 
-  e_WriteLog('Initializing OpenGL', MSG_NOTIFY);
-  InitOpenGL(gVSync);
-
   {EnumDisplayModes();}
 
+  if gwin_k8_enable_light_experiments then
+  begin
+    SDL_GL_GetAttribute(SDL_GL_STENCIL_SIZE, @ltmp);
+    e_WriteLog(Format('stencil buffer size: %d', [ltmp]), MSG_WARNING);
+    gwin_has_stencil := (ltmp > 0);
+  end
+  else
+  begin
+    gwin_has_stencil := false;
+  end;
+
+  if not glHasExtension('GL_ARB_texture_non_power_of_two') then
+  begin
+    e_WriteLog('Driver DID''T advertised NPOT textures support', MSG_WARNING);
+    glLegacyNPOT := true;
+  end
+  else
+  begin
+    e_WriteLog('Driver advertised NPOT textures support', MSG_NOTIFY);
+    glLegacyNPOT := false;
+  end;
+  gwin_dump_extensions := false;
+
   Init();
   Time_Old := GetTimer();