GFX: add dpi-awareness switch for all games (#64)

Pretty simple, adds a new config setting to the gfx category, which defaults to enabled to disable DPI scaling if a scale higher than 100% is used, causing game windows to appear stretched and blurry.

Reviewed-on: TeamTofuShop/segatools#64
Co-authored-by: kyoubate-haruka <46010460+kyoubate-haruka@users.noreply.github.com>
Co-committed-by: kyoubate-haruka <46010460+kyoubate-haruka@users.noreply.github.com>

carolhook/dllmain.c

@@ -74,8 +74,6 @@ static DWORD CALLBACK carol_pre_startup(void)
     HMODULE dbghelp;
 
     dprintf("--- Begin carol_pre_startup ---\n");
-    if ( !SetProcessDPIAware() )
-        dprintf("Failed to set process DPI awareness level!\n");
     
     /* Pin the D3D shader compiler. This makes startup much faster. */
 

dist/carol/segatools.ini

@@ -72,6 +72,8 @@ windowed=1
 framed=1
 ; Select the monitor to run the game on. (Fullscreen only, 0 =primary screen)
 monitor=0
+; Enable DPI awareness for the game process, preventing Windows from stretching the game window if a DPI scaling higher than 100% is used
+dpiAware=1
 
 ; -----------------------------------------------------------------------------
 ; Custom IO settings

dist/chuni/segatools.ini

@@ -64,6 +64,8 @@ windowed=1
 framed=1
 ; Select the monitor to run the game on. (Fullscreen only, 0 =primary screen)
 monitor=0
+; Enable DPI awareness for the game process, preventing Windows from stretching the game window if a DPI scaling higher than 100% is used
+dpiAware=1
 
 ; -----------------------------------------------------------------------------
 ; LED settings

dist/chusan/segatools.ini

@@ -90,6 +90,8 @@ windowed=1
 framed=0
 ; Select the monitor to run the game on. (Fullscreen only, 0 =primary screen)
 monitor=0
+; Enable DPI awareness for the game process, preventing Windows from stretching the game window if a DPI scaling higher than 100% is used
+dpiAware=1
 
 ; -----------------------------------------------------------------------------
 ; LED settings

dist/cxb/segatools.ini

@@ -83,6 +83,8 @@ windowed=1
 framed=1
 ; Select the monitor to run the game on. (Fullscreen only, 0 =primary screen)
 monitor=0
+; Enable DPI awareness for the game process, preventing Windows from stretching the game window if a DPI scaling higher than 100% is used
+dpiAware=1
 
 ; -----------------------------------------------------------------------------
 ; Custom IO settings

dist/diva/segatools.ini

@@ -69,6 +69,9 @@ enable=1
 windowed=1
 ; Add a frame to the game window if running windowed.
 framed=0
+; Enable DPI awareness for the game process, preventing Windows from stretching the game window if a DPI scaling higher than 100% is used
+dpiAware=1
+
 
 ; -----------------------------------------------------------------------------
 ; Custom IO settings

dist/fgo/segatools.ini

@@ -92,6 +92,8 @@ enable=1
 windowed=0
 ; Add a frame to the game window if running windowed.
 framed=0
+; Enable DPI awareness for the game process, preventing Windows from stretching the game window if a DPI scaling higher than 100% is used
+dpiAware=1
 
 [touch]
 ; WinTouch emulation setting.

dist/idz/segatools.ini

@@ -97,6 +97,9 @@ windowed=0
 framed=1
 ; Select the monitor to run the game on. (Fullscreen only, 0=primary screen)
 monitor=0
+; Enable DPI awareness for the game process, preventing Windows from stretching the game window if a DPI scaling higher than 100% is used
+dpiAware=1
+
 
 ; -----------------------------------------------------------------------------
 ; Custom IO settings

dist/mercury/segatools.ini

@@ -76,6 +76,9 @@ dipsw1=1
 [gfx]
 ; Enables the graphics hook.
 enable=1
+; Enable DPI awareness for the game process, preventing Windows from stretching the game window if a DPI scaling higher than 100% is used
+dpiAware=1
+
 
 ; Hooks related to the touch boards
 [touch]

dist/mu3/segatools.ini

@@ -72,6 +72,9 @@ dipsw1=1
 [gfx]
 ; Enables the graphics hook.
 enable=1
+; Enable DPI awareness for the game process, preventing Windows from stretching the game window if a DPI scaling higher than 100% is used
+dpiAware=1
+
 
 [unity]
 ; Enable Unity hook. This will allow you to run custom .NET code before the game

doc/config/common.md

@@ -342,6 +342,38 @@ Nu chassis DIP switch settings:
     - `111`: 1920x1080
 - Switch 8: Game-specific. Not used in any shipping game.
 
+## `[gfx]`
+
+### `enable`
+
+Default: `1`
+
+Enables graphic hooks.
+
+### `windowed`
+
+Default: `0`
+
+Force the game to run windowed.
+
+### `framed`
+
+Default: `0`
+
+Add a frame to the game window if running windowed.
+
+### `monitor`
+
+Default: `0`
+
+Select the monitor to run the game on. (Fullscreen only, 0 = primary screen)
+
+### `dpiAware`
+
+Default: `1`
+
+Sets the game to be DPI-aware. This prevents Windows automatically scaling the game window by your desktop's scaling factor, which may cause blurry graphics.
+
 ## `[hwmon]`
 
 Configure stub implementation of the platform hardware monitor driver. The

gfxhook/config.c

@@ -14,4 +14,5 @@ void gfx_config_load(struct gfx_config *cfg, const wchar_t *filename)
     cfg->windowed = GetPrivateProfileIntW(L"gfx", L"windowed", 0, filename);
     cfg->framed = GetPrivateProfileIntW(L"gfx", L"framed", 1, filename);
     cfg->monitor = GetPrivateProfileIntW(L"gfx", L"monitor", 0, filename);
+    cfg->dpiAware = GetPrivateProfileIntW(L"gfx", L"dpiAware", 1, filename);
 }

gfxhook/gfx.c

@@ -67,6 +67,14 @@ void gfx_hook_init(const struct gfx_config *cfg)
         return;
     }
 
+    if (cfg->dpiAware) {
+        if (SetProcessDPIAware()) {
+            dprintf("Gfx: Game process set to DPI aware.\n");
+        } else {
+            dprintf("Gfx: Failed to set process DPI aware\n");
+        }
+    }
+
     memcpy(&gfx_config, cfg, sizeof(*cfg));
     hook_table_apply(NULL, "user32.dll", gfx_hooks, _countof(gfx_hooks));
 }

gfxhook/gfx.h

@@ -7,6 +7,7 @@ struct gfx_config {
     bool windowed;
     bool framed;
     int monitor;
+    bool dpiAware;
 };
 
 void gfx_hook_init(const struct gfx_config *cfg);