add aspect_ratio_mode_t, fix starting with "high" with non-native aspect ratio

src/i_video.c

@@ -54,7 +54,7 @@ boolean uncapped, default_uncapped; // [FG] uncapped rendering frame rate
 int fpslimit; // when uncapped, limit framerate to this value
 boolean fullscreen;
 boolean exclusive_fullscreen;
-int widescreen; // widescreen mode
+aspect_ratio_mode_t widescreen, default_widescreen; // widescreen mode
 boolean vga_porch_flash; // emulate VGA "porch" behaviour
 boolean smooth_scaling;
 
@@ -975,40 +975,35 @@ static void ResetResolution(int height)
 {
     int w, h;
 
-    if (height > native_height_adjusted)
-    {
-        return;
-    }
-
     actualheight = use_aspect ? (int)(height * 1.2) : height;
     video.height = height;
 
-    if (widescreen)
+    switch (widescreen)
     {
-        switch(widescreen)
-        {
-            case RATIO_16_10:
-                w = 16;
-                h = 10;
-                break;
-            case RATIO_16_9:
-                w = 16;
-                h = 9;
-                break;
-            case RATIO_21_9:
-                w = 21;
-                h = 9;
-                break;
-            default:
-                w = native_width;
-                h = native_height;
-                break;
-        }
-    }
-    else
-    {
-        w = 4;
-        h = 3;
+        case RATIO_ORIG:
+            w = 4;
+            h = 3;
+            break;
+        case RATIO_MATCH_SCREEN:
+            w = native_width;
+            h = native_height;
+            break;
+        case RATIO_16_10:
+            w = 16;
+            h = 10;
+            break;
+        case RATIO_16_9:
+            w = 16;
+            h = 9;
+            break;
+        case RATIO_21_9:
+            w = 21;
+            h = 9;
+            break;
+        default:
+            w = 16;
+            h = 9;
+            break;
     }
 
     double aspect_ratio = (double)w / (double)h;
@@ -1432,16 +1427,15 @@ static void CreateSurfaces(void)
                                 SDL_TEXTUREACCESS_STREAMING,
                                 w, h);
 
-    int oldwidescreen = widescreen;
     widescreen = RATIO_MATCH_SCREEN;
 
     ResetResolution(h);
     R_InitAnyRes();
     ST_InitRes();
 
-    widescreen = oldwidescreen;
+    widescreen = default_widescreen;
 
-    if (resolution_mode != RES_DRS)
+    if (resolution_mode != RES_DRS || widescreen != RATIO_MATCH_SCREEN)
     {
         ResetResolution(CurrentResolutionMode());
     }
@@ -1484,6 +1478,7 @@ static void I_ReinitGraphicsMode(void)
 void I_ResetScreen(void)
 {
     resolution_mode = default_resolution_mode;
+    widescreen = default_widescreen;
 
     ResetResolution(CurrentResolutionMode());
     ResetLogicalSize();

src/i_video.h

@@ -24,7 +24,7 @@
 
 #include "doomtype.h"
 
-enum
+typedef enum
 {
     RATIO_ORIG,
     RATIO_MATCH_SCREEN,
@@ -32,7 +32,7 @@ enum
     RATIO_16_9,
     RATIO_21_9,
     NUM_RATIOS
-};
+} aspect_ratio_mode_t;
 
 typedef enum
 {
@@ -76,7 +76,7 @@ extern boolean exclusive_fullscreen;
 extern int fpslimit; // when uncapped, limit framerate to this value
 extern int fps;
 extern boolean vga_porch_flash; // emulate VGA "porch" behaviour
-extern int widescreen; // widescreen mode
+extern aspect_ratio_mode_t widescreen, default_widescreen; // widescreen mode
 extern int video_display; // display index
 extern boolean screenvisible;
 extern boolean window_focused;

src/m_misc.c

@@ -186,7 +186,7 @@ default_t defaults[] = {
   // widescreen mode
   {
     "widescreen",
-    (config_t *) &widescreen, NULL,
+    (config_t *) &default_widescreen, NULL,
     {RATIO_MATCH_SCREEN}, {RATIO_ORIG, NUM_RATIOS-1}, number, ss_none, wad_no,
     "widescreen mode (0 = disable, 1 = match screen, 2 = 16:10, 3 = 16:9, 4 = 21:9)"
   },