From: Ketmar Dark <ketmar@ketmar.no-ip.org>
Date: Fri, 18 Oct 2019 04:41:42 +0000 (+0300)
Subject: gfx: fixed OpenGL extension checks; fixed NPOT emulation detection
X-Git-Url: http://deadsoftware.ru/gitweb?p=d2df-sdl.git;a=commitdiff_plain;h=7f50d798c193f8a57a3c736c81615ef932915e9a

gfx: fixed OpenGL extension checks; fixed NPOT emulation detection
---

diff --git a/src/game/g_language.pas b/src/game/g_language.pas
index af65be7..2424efd 100644
--- a/src/game/g_language.pas
+++ b/src/game/g_language.pas
@@ -1127,8 +1127,8 @@ const
                                        'Âåðòèêàëüíàÿ ñèíõðîíèçàöèÿ:'),
     ('MENU VIDEO FILTER SKY',          'Anisotropic sky',
                                        'Ôèëüòðàöèÿ íåáà:'),
-    ('MENU VIDEO LEGACY COMPATIBLE',   'Compatibility with NPOT textures:',
-                                       'Ñîâìåñòèìîñòü ñ NPOT-òåêñòóðàìè:'),
+    ('MENU VIDEO LEGACY COMPATIBLE',   'Force compatibility with NPOT textures:',
+                                       'Ýìóëÿöèÿ NPOT-òåêñòóð:'),
     ('MENU VIDEO NEED RESTART',        'Video settings will be changed after game restart.',
                                        'Äàííûå íàñòðîéêè âèäåî âñòóïÿò â ñèëó ïîñëå ïåðåçàïóñêà èãðû.'),
 
diff --git a/src/game/g_main.pas b/src/game/g_main.pas
index 0269a4c..4543261 100644
--- a/src/game/g_main.pas
+++ b/src/game/g_main.pas
@@ -204,12 +204,12 @@ begin
   e_WriteLog('Releasing engine', TMsgType.Notify);
   e_ReleaseEngine();
 
-  e_WriteLog('Releasing Input', TMsgType.Notify);
+  e_WriteLog('Releasing input', TMsgType.Notify);
   e_ReleaseInput();
 
   if not gNoSound then
   begin
-    e_WriteLog('Releasing FMOD', TMsgType.Notify);
+    e_WriteLog('Releasing sound', TMsgType.Notify);
     e_ReleaseSoundSystem();
   end;
 end;
diff --git a/src/game/g_menu.pas b/src/game/g_menu.pas
index 2d83a52..ccc0a55 100644
--- a/src/game/g_menu.pas
+++ b/src/game/g_menu.pas
@@ -122,7 +122,7 @@ begin
     sys_EnableVSync(gVSync);
 
   gTextureFilter := TGUISwitch(menu.GetControl('swTextureFilter')).ItemIndex = 0;
-  glLegacyNPOT := not (TGUISwitch(menu.GetControl('swLegacyNPOT')).ItemIndex = 0);
+  glNPOTOverride := not (TGUISwitch(menu.GetControl('swLegacyNPOT')).ItemIndex = 0);
 
   menu := TGUIMenu(g_GUI_GetWindow('OptionsSoundMenu').GetControl('mOptionsSoundMenu'));
 
@@ -398,7 +398,7 @@ begin
     if gVSync then ItemIndex := 0 else ItemIndex := 1;
 
   with TGUISwitch(menu.GetControl('swLegacyNPOT')) do
-    if not glLegacyNPOT then ItemIndex := 0 else ItemIndex := 1;
+    if not glNPOTOverride then ItemIndex := 0 else ItemIndex := 1;
 
   menu := TGUIMenu(g_GUI_GetWindow('OptionsSoundMenu').GetControl('mOptionsSoundMenu'));
 
diff --git a/src/game/g_options.pas b/src/game/g_options.pas
index a80d682..1c23bb8 100644
--- a/src/game/g_options.pas
+++ b/src/game/g_options.pas
@@ -91,6 +91,7 @@ var
   gSFSFastMode: Boolean;
   gDefaultMegawadStart: AnsiString;
   gBerserkAutoswitch: Boolean;
+  glNPOTOverride: Boolean = false;
 
 implementation
 
@@ -380,7 +381,7 @@ begin
   ReadInteger(gFreq, 'Freq', 0);
   ReadBoolean(gVSync, 'VSync');
   ReadBoolean(gTextureFilter, 'TextureFilter');
-  ReadBoolean(glLegacyNPOT, 'LegacyCompatible');
+  ReadBoolean(glNPOTOverride, 'LegacyCompatibleForce');
 
   section := 'Sound';
   ReadBoolean(gNoSound, 'NoSound');
@@ -564,7 +565,7 @@ begin
   config.WriteInt('Video', 'BPP', gBPP);
   config.WriteBool('Video', 'VSync', gVSync);
   config.WriteBool('Video', 'TextureFilter', gTextureFilter);
-  config.WriteBool('Video', 'LegacyCompatible', glLegacyNPOT);
+  config.WriteBool('Video', 'LegacyCompatibleForce', glNPOTOverride);
 
   config.WriteBool('Sound', 'NoSound', gNoSound);
   config.WriteInt('Sound', 'SoundLevel', gSoundLevel);
diff --git a/src/game/g_window.pas b/src/game/g_window.pas
index 8e6bbe8..afc23e2 100644
--- a/src/game/g_window.pas
+++ b/src/game/g_window.pas
@@ -184,36 +184,42 @@ begin
 end;
 
 function GLExtensionList (): SSArray;
-  var s: PChar; i, j, num: GLint;
+var
+  s: PChar;
+  i, j, num: GLint;
 begin
   result := nil;
   s := glGetString(GL_EXTENSIONS);
   if s <> nil then
   begin
-    num := 0; i := 0; j := 0;
-    while s[i] <> #0 do
+    num := 0;
+    i := 0;
+    j := 0;
+    while (s[i] <> #0) and (s[i] = ' ') do Inc(i);
+    while (s[i] <> #0) do
     begin
       while (s[i] <> #0) and (s[i] <> ' ') do Inc(i);
-      SetLength(result, num + 1);
-      result[num] := Copy(s, j, i - j);
+      SetLength(result, num+1);
+      result[num] := Copy(s, j+1, i-j);
       while (s[i] <> #0) and (s[i] = ' ') do Inc(i);
       j := i;
-      Inc(num)
-    end
-  end
+      Inc(num);
+    end;
+  end;
 end;
 
 function GLExtensionSupported (ext: AnsiString): Boolean;
-  var i, len: GLint; exts: SSArray;
+var
+  exts: SSArray;
+  e: AnsiString;
 begin
   result := false;
   exts := GLExtensionList();
-  if exts <> nil then
+  for e in exts do
   begin
-    i := 0; len := Length(exts);
-    while (i < len) and (exts[i] <> ext) do Inc(i);
-    result := i < len
-  end
+    //writeln('<', e, '> : [', ext, '] = ', strEquCI1251(e, ext));
+    if (strEquCI1251(e, ext)) then begin result := true; exit; end;
+  end;
 end;
 
 procedure PrintGLSupportedExtensions;
@@ -324,11 +330,20 @@ begin
 
 {$IFNDEF USE_SYSSTUB}
   PrintGLSupportedExtensions;
-  glLegacyNPOT := GLExtensionSupported('GL_ARB_texture_non_power_of_two') or GLExtensionSupported('GL_OES_texture_npot');
+  glLegacyNPOT := not (GLExtensionSupported('GL_ARB_texture_non_power_of_two') or GLExtensionSupported('GL_OES_texture_npot'));
 {$ELSE}
   glLegacyNPOT := False;
 {$ENDIF}
-  e_logWritefln('NPOT textures: %s', [glLegacyNPOT]);
+  if glNPOTOverride and glLegacyNPOT then
+  begin
+    glLegacyNPOT := true;
+    e_logWriteln('NPOT texture emulation: FORCED');
+  end
+  else
+  begin
+    if (glLegacyNPOT) then e_logWriteln('NPOT texture emulation: enabled')
+    else e_logWriteln('NPOT texture emulation: disabled');
+  end;
   gwin_dump_extensions := false;
 
   Init;