engine: implement menu extensions to allow choosing renderers from GUI

engine/client/cl_gameui.c

@@ -1185,12 +1185,27 @@ static void pfnEnableTextInput( int enable )
 	Key_EnableTextInput( enable, false );
 }
 
+static int pfnGetRenderers( unsigned int num, char *shortName, size_t size1, char *readableName, size_t size2 )
+{
+	if( num >= ref.numRenderers )
+		return 0;
+
+	if( shortName && size1 )
+		Q_strncpy( shortName, ref.shortNames[num], size1 );
+
+	if( readableName && size2 )
+		Q_strncpy( readableName, ref.readableNames[num], size2 );
+
+	return 1;
+}
+
 static ui_extendedfuncs_t gExtendedfuncs =
 {
 	pfnEnableTextInput,
 	Con_UtfProcessChar,
 	Con_UtfMoveLeft,
-	Con_UtfMoveRight
+	Con_UtfMoveRight,
+	pfnGetRenderers
 };
 
 void UI_UnloadProgs( void )

engine/client/ref_common.c

@@ -573,9 +573,8 @@ void R_CollectRendererNames( void )
 
 	ref.numRenderers = 0;
 
-	for( i = 0; i < ARRAYSIZE( ref.renderers ); i++ )
+	for( i = 0; i < DEFAULT_RENDERERS_LEN; i++ )
 	{
-		ref_renderer_t *refdll = ref.renderers + ref.numRenderers;
 		string temp;
 		void *dll, *pfn;
 
@@ -592,21 +591,21 @@ void R_CollectRendererNames( void )
 			continue;
 		}
 
-		Q_strncpy( refdll->shortenedName, renderers[i], sizeof( refdll->shortenedName ));
+		Q_strncpy( ref.shortNames[i], renderers[i], sizeof( ref.shortNames[i] ));
 
 		pfn = COM_GetProcAddress( dll, GET_REF_HUMANREADABLE_NAME );
 		if( !pfn ) // just in case
 		{
-			Q_strncpy( refdll->humanReadable, renderers[i], sizeof( refdll->humanReadable ));
+			Q_strncpy( ref.readableNames[i], renderers[i], sizeof( ref.readableNames[i] ));
 		}
 		else
 		{
 			REF_HUMANREADABLE_NAME GetHumanReadableName = (REF_HUMANREADABLE_NAME)pfn;
 
-			GetHumanReadableName( refdll->humanReadable, sizeof( refdll->humanReadable ));
+			GetHumanReadableName( ref.readableNames[i], sizeof( ref.readableNames[i] ));
 		}
 
-		Con_Printf( "Found renderer %s: %s\n", refdll->shortenedName, refdll->humanReadable );
+		Con_Printf( "Found renderer %s: %s\n", ref.shortNames[i], ref.readableNames[i] );
 
 		ref.numRenderers++;
 		COM_FreeLibrary( dll );

engine/client/ref_common.h

@@ -20,12 +20,6 @@ GNU General Public License for more details.
 
 #define RP_LOCALCLIENT( e )	((e) != NULL && (e)->index == ( cl.playernum + 1 ) && e->player )
 
-typedef struct ref_renderer_s
-{
-	string shortenedName;
-	string humanReadable;
-} ref_renderer_t;
-
 struct ref_state_s
 {
 	qboolean initialized;
@@ -34,7 +28,8 @@ struct ref_state_s
 	ref_interface_t dllFuncs;
 
 	int numRenderers;
-	ref_renderer_t renderers[DEFAULT_RENDERERS_LEN];
+	string shortNames[DEFAULT_RENDERERS_LEN];
+	string readableNames[DEFAULT_RENDERERS_LEN];
 };
 
 extern struct ref_state_s ref;

engine/menu_int.h

@@ -202,6 +202,8 @@ typedef struct ui_extendedfuncs_s {
 	int (*pfnUtfMoveRight) ( char *str, int pos, int length );
 
 	// new engine extended api start here
+	// returns 1 if there are more in list, otherwise 0
+	int (*pfnGetRenderers)( unsigned int num, char *shortName, size_t size1, char *readableName, size_t size2 );
 } ui_extendedfuncs_t;
 
 // deprecated export from old engine

mainui

@@ -1 +1 @@
-Subproject commit 704012ce4e9b31d41cc472e1d117340856301709
+Subproject commit c3095f477ff4ecfd8bc1f803c6d9e6e63ba32926

ref_gl/gl_context.c

@@ -475,10 +475,10 @@ int EXPORT GetRefAPI( int version, ref_interface_t *funcs, ref_api_t *engfuncs,
 void EXPORT GetRefHumanReadableName( char *out, size_t size )
 {
 #if defined XASH_NANOGL
-	Q_strncpy( out, "OpenGLES 1(NanoGL)", size );
+	Q_strncpy( out, "GLES1(NanoGL)", size );
 #elif defined XASH_WES
-	Q_strncpy( out, "OpenGLES 2(gl-wes-v2)", size );
+	Q_strncpy( out, "GLES2(gl-wes-v2)", size );
 #else
-	Q_strncpy( out, "OpenGL 1.x", size );
+	Q_strncpy( out, "OpenGL", size );
 #endif
 }