add menu options

src/i_video.c

@@ -48,8 +48,9 @@
 
 video_t video;
 
+resolution_mode_t resolution_mode, default_resolution_mode;
+
 boolean use_vsync;  // killough 2/8/98: controls whether vsync is called
-int hires, default_hires;      // killough 11/98
 boolean use_aspect;
 boolean uncapped, default_uncapped; // [FG] uncapped rendering frame rate
 int fpslimit; // when uncapped, limit framerate to this value
@@ -994,6 +995,11 @@ 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;
 
@@ -1025,7 +1031,7 @@ static void ResetResolution(int height)
         h = 3;
     }
 
-    double aspect_ratio = (double)w / (double)h;
+    double aspect_ratio = MIN(2.4, (double)w / (double)h);
 
     video.unscaledw = (int)(ACTUALHEIGHT * aspect_ratio);
     video.width = (int)(actualheight * aspect_ratio);
@@ -1168,7 +1174,7 @@ static void I_InitVideoParms(void)
     int p, tmp_scalefactor;
 
     I_ResetInvalidDisplayIndex();
-    hires = default_hires;
+    resolution_mode = default_resolution_mode;
     uncapped = default_uncapped;
     grabmouse = default_grabmouse;
 
@@ -1343,6 +1349,23 @@ static void I_InitGraphicsMode(void)
     SDL_RenderSetIntegerScale(renderer, integer_scaling ? SDL_TRUE : SDL_FALSE);
 }
 
+static int CurrentResolutionMode(void)
+{
+    switch (resolution_mode)
+    {
+        case RES_ORIGINAL:
+            return SCREENHEIGHT;
+        case RES_DOUBLE:
+            return SCREENHEIGHT * 2;
+        case RES_TRIPLE:
+            return SCREENHEIGHT * 3;
+        case RES_DRS:
+            return native_height_adjusted;
+        default:
+            return native_height_adjusted;
+    }
+}
+
 static void CreateSurfaces(void)
 {
     int w, h;
@@ -1428,9 +1451,9 @@ static void CreateSurfaces(void)
     R_InitAnyRes();
     ST_InitRes();
 
-    if (!hires)
+    if (resolution_mode != RES_DRS)
     {
-        ResetResolution(SCREENHEIGHT);
+        ResetResolution(CurrentResolutionMode());
     }
 
     ResetLogicalSize();
@@ -1470,10 +1493,10 @@ static void I_ReinitGraphicsMode(void)
 
 void I_ResetScreen(void)
 {
-    hires = default_hires;
+    resolution_mode = default_resolution_mode;
 
-    ResetResolution(hires ? native_height_adjusted : SCREENHEIGHT);
-    ResetLogicalSize();     // Switch to new graphics mode
+    ResetResolution(CurrentResolutionMode());
+    ResetLogicalSize();
 
     if (automapactive)
         AM_Start();        // Reset automap dimensions

src/i_video.h

@@ -55,6 +55,15 @@ enum
     NUM_RATIOS
 };
 
+typedef enum
+{
+    RES_ORIGINAL,
+    RES_DOUBLE,
+    RES_TRIPLE,
+    RES_DRS,
+    NUM_RES
+} resolution_mode_t;
+
 // [FG] support more joystick and mouse buttons
 #define MAX_JSB NUM_CONTROLLER_BUTTONS
 #define MAX_MB NUM_MOUSE_BUTTONS
@@ -78,7 +87,7 @@ void I_ToggleVsync(void); // [JN] Calls native SDL vsync toggle
 
 extern boolean use_vsync;  // killough 2/8/98: controls whether vsync is called
 extern boolean disk_icon;  // killough 10/98
-extern int hires, default_hires;      // killough 11/98
+extern int resolution_mode, default_resolution_mode;      // killough 11/98
 
 extern boolean use_aspect;
 extern boolean uncapped, default_uncapped; // [FG] uncapped rendering frame rate

src/m_menu.c

@@ -3770,6 +3770,10 @@ enum {
   gen2_end1,
 };
 
+static const char *resolution_mode_strings[] = {
+  "original", "double", "triple", "high", NULL
+};
+
 int midi_player_menu;
 
 static const char *midi_player_menu_strings[MAX_MIDI_PLAYER_MENU_ITEMS];
@@ -3877,8 +3881,8 @@ setup_menu_t gen_settings1[] = { // General Settings screen1
 
   {"Video"       ,S_SKIP|S_TITLE, m_null, M_X, M_Y},
 
-  {"High Resolution", S_YESNO, m_null, M_X, M_Y+ gen1_hires*M_SPC,
-   {"hires"}, 0, M_ResetScreen},
+  {"Resolution Mode", S_CHOICE, m_null, M_X, M_Y+ gen1_hires*M_SPC,
+   {"resolution_mode"}, 0, M_ResetScreen, resolution_mode_strings},
 
   {"Widescreen Rendering", S_YESNO, m_null, M_X, M_Y+ gen1_widescreen*M_SPC,
    {"widescreen"}, 0, M_ResetScreen},
@@ -7203,7 +7207,6 @@ void M_ResetSetupMenu(void)
 
 void M_ResetSetupMenuVideo(void)
 {
-  DISABLE_ITEM(!hires, enem_settings1[enem1_fuzz]);
   M_EnableDisableFPSLimit();
 }
 

src/m_misc.c

@@ -134,9 +134,9 @@ default_t defaults[] = {
   //
 
   { // killough 11/98: hires
-    "hires", (config_t *) &default_hires, NULL,
-    {1}, {0,1}, number, ss_none, wad_no,
-    "1 to enable 640x400 resolution for rendering scenes"
+    "resolution_mode", (config_t *) &default_resolution_mode, NULL,
+    {RES_DRS}, {RES_ORIGINAL, NUM_RES - 1}, number, ss_none, wad_no,
+    "0 - original 200p, 1 - double 400p, 2 - triple 600p, 4 - native (dynamic)"
   },
 
   {

src/v_video.c

@@ -23,9 +23,6 @@
 
 #include "doomstat.h"
 #include "doomtype.h"
-#include "r_draw.h"
-#include "r_main.h"
-#include "m_bbox.h"
 #include "w_wad.h"   /* needed for color translation lump lookup */
 #include "v_trans.h"
 #include "v_video.h"
@@ -285,7 +282,7 @@ void WriteGeneratedLumpWad(const char *filename)
     free(lumps);
 }
 
-#define WIDE_SCREENWIDTH 576 // corresponds to 2.4:1 in original resolution
+#define WIDE_SCREENWIDTH 576 // corresponds to 2.4 aspect ratio
 
 static int x1lookup[WIDE_SCREENWIDTH + 1];
 static int y1lookup[SCREENHEIGHT + 1];