Basic Steam D(i)eck support

engine/sys_getmodes.cpp

@@ -819,10 +819,13 @@ void CVideoMode_Common::SetupStartupGraphic()
 
     // loading.vtf
 	buf.Clear();	// added this Clear() because we saw cases where LoadVTF was not emptying the buf fully in the above section
-    m_pLoadingTexture = LoadVTF( buf, "materials/console/startup_loading.vtf" );
+    const char* loading = "materials/console/startup_loading.vtf";
+    if ( IsSteamDeck() )
+        loading = "materials/gamepadui/game_logo.vtf";
+    m_pLoadingTexture = LoadVTF( buf, loading );
     if ( !m_pLoadingTexture )
     {
-        Error( "Can't find background image materials/console/startup_loading.vtf\n" );
+        Error( "Can't find background image '%s'\n", loading );
         return;
     }
 }
@@ -883,8 +886,12 @@ void CVideoMode_Common::DrawStartupGraphic()
     pVMTKeyValues->SetInt( "$nocull", 1 );
     IMaterial *pMaterial = g_pMaterialSystem->CreateMaterial( "__background", pVMTKeyValues );
 
+    const char* loading = "console/startup_loading.vtf";
+    if ( IsSteamDeck() )
+        loading = "gamepadui/game_logo.vtf";
+
     pVMTKeyValues = new KeyValues( "UnlitGeneric" );
-    pVMTKeyValues->SetString( "$basetexture", "Console/startup_loading.vtf" );
+    pVMTKeyValues->SetString( "$basetexture", loading );
     pVMTKeyValues->SetInt( "$translucent", 1 );
     pVMTKeyValues->SetInt( "$ignorez", 1 );
     pVMTKeyValues->SetInt( "$nofog", 1 );
@@ -922,7 +929,11 @@ void CVideoMode_Common::DrawStartupGraphic()
 				slide = 0;
 
 				DrawScreenSpaceRectangle( pMaterial, 0, 0+slide, w, h-50, 0, 0, tw-1, th-1, tw, th, NULL,1,1,depth );
-				DrawScreenSpaceRectangle( pLoadingMaterial, w-lw, h-lh+slide/2, lw, lh, 0, 0, lw-1, lh-1, lw, lh, NULL,1,1,depth-0.1 );
+                if ( !IsSteamDeck() )
+                    DrawScreenSpaceRectangle( pLoadingMaterial, w-lw, h-lh+slide/2, lw, lh, 0, 0, lw-1, lh-1, lw, lh, NULL,1,1,depth-0.1 );
+                else
+                    // TODO: Steam Deck
+                    DrawScreenSpaceRectangle( pLoadingMaterial, w-lw, h-lh+slide/2, lw, lh, 0, 0, lw-1, lh-1, lw, lh, NULL,1,1,depth-0.1 );
 			}
 
 			if(0)

engine/vgui_baseui_interface.cpp

@@ -613,7 +613,7 @@ void CEngineVGui::Init()
 		return;
 	}
 
-	if ( IsX360() )
+	if ( IsX360() || IsSteamDeck() )
 	{
 		CCommand ccommand;
 		if ( CL_ShouldLoadBackgroundLevel( ccommand ) )
@@ -1273,7 +1273,7 @@ void CEngineVGui::OnLevelLoadingStarted()
 		}
 	}
 
-	if ( IsX360() )
+	if ( IsX360() || IsSteamDeck() )
 	{
 		// TCR requirement, always!!!
 		m_bShowProgressDialog = true;

game/client/hud_crosshair.cpp

@@ -258,7 +258,15 @@ void CHudCrosshair::Paint( void )
 		pWeapon->GetWeaponCrosshairScale( flWeaponScale );
 	}
 
-	float flPlayerScale = 1.0f;
+	int iScreenDiv = 1600;
+	if ( IsSteamDeck() )
+		iScreenDiv = 1440;
+
+	float flPlayerScale;
+	if ( !m_pCrosshair->bRenderUsingFont )
+		flPlayerScale = (ScreenHeight() / iScreenDiv) + 1;
+	else
+		flPlayerScale = 1.0f;
 #ifdef TF_CLIENT_DLL
 	Color clr( cl_crosshair_red.GetInt(), cl_crosshair_green.GetInt(), cl_crosshair_blue.GetInt(), 255 );
 	flPlayerScale = cl_crosshair_scale.GetFloat() / 32.0f;  // the player can change the scale in the options/multiplayer tab

gameui/BasePanel.cpp

@@ -1801,8 +1801,11 @@ void CBasePanel::ApplySchemeSettings(IScheme *pScheme)
 		// load the loading icon
 		if ( m_iLoadingImageID == -1 )
 		{
+			const char* loading = "console/startup_loading";
+			if ( IsSteamDeck() )
+				loading = "gamepadui/game_logo";
 			m_iLoadingImageID = surface()->CreateNewTextureID();
-			surface()->DrawSetTextureFile( m_iLoadingImageID, "Console/startup_loading", false, false );
+			surface()->DrawSetTextureFile( m_iLoadingImageID, loading, false, false );
 		}
 	}
 }

public/tier1/KeyValues.h

@@ -428,6 +428,8 @@ inline bool  KeyValues::IsEmpty( int keySymbol )
 	return dat ? dat->IsEmpty( ) : true;
 }
 
+bool IsSteamDeck();
+
 bool EvaluateConditional( const char *str );
 
 class CUtlSortVectorKeyValuesByName

tier1/KeyValues.cpp

@@ -2179,6 +2179,34 @@ void KeyValues::RecursiveMergeKeyValues( KeyValues *baseKV )
 	}
 }
 
+static int s_nSteamDeckCached = -1;
+
+bool IsSteamDeck()
+{
+	if (s_nSteamDeckCached == -1) {
+		if ( CommandLine()->CheckParm( "-nogamepadui" ) != 0 )
+		{
+			s_nSteamDeckCached = 0;
+		}
+		else
+		{
+			if ( CommandLine()->CheckParm( "-gamepadui" ) != 0 )
+			{
+				s_nSteamDeckCached = 1;
+			}
+			else
+			{
+				char *deck = getenv("SteamDeck");
+				if ( deck == 0 || *deck == 0 )
+					s_nSteamDeckCached = 0;
+				else
+					s_nSteamDeckCached = atoi(deck) != 0;
+			}
+		}
+	}
+	return s_nSteamDeckCached;
+}
+
 //-----------------------------------------------------------------------------
 // Returns whether a keyvalues conditional evaluates to true or false
 // Needs more flexibility with conditionals, checking convars would be nice.
@@ -2195,8 +2223,8 @@ bool EvaluateConditional( const char *str )
 	if ( *str == '!' )
 		bNot = true;
 
-	if( Q_stristr( str, "$DECK" ) )
-		return false ^ bNot; // Steam deck unsupported
+	if ( Q_stristr( str, "$DECK" ) )
+		return IsSteamDeck() ^ bNot;
 
 	if ( Q_stristr( str, "$X360" ) )
 		return IsX360() ^ bNot;