From 43428a65026925ceafc7b25ecc3aef984244d6ce Mon Sep 17 00:00:00 2001
From: 85be42b2ce67a8e34b32793360824b056c0c2444
 <85be42b2ce67a8e34b32793360824b056c0c2444@redacted>
Date: Tue, 19 May 2020 22:09:38 +0200
Subject: [PATCH] Add support for specifing monitor number for dx9 games

---
 dist/chuni/segatools.ini | 2 ++
 hooklib/config.c         | 1 +
 hooklib/gfx.c            | 4 +++-
 hooklib/gfx.h            | 1 +
 4 files changed, 7 insertions(+), 1 deletion(-)

diff --git a/dist/chuni/segatools.ini b/dist/chuni/segatools.ini
index 7fc0d82..06bfd51 100644
--- a/dist/chuni/segatools.ini
+++ b/dist/chuni/segatools.ini
@@ -30,6 +30,8 @@ subnet=192.168.100.0
 windowed=1
 ; Add a frame to the game window if running windowed.
 framed=1
+; Select the monitor to run the game on. (Fullscreen only, 0 =primary screen)
+monitor=0
 
 ; -----------------------------------------------------------------------------
 ; Input settings
diff --git a/hooklib/config.c b/hooklib/config.c
index d52e6ff..1c4c9c4 100644
--- a/hooklib/config.c
+++ b/hooklib/config.c
@@ -15,4 +15,5 @@ void gfx_config_load(struct gfx_config *cfg, const wchar_t *filename)
     cfg->enable = GetPrivateProfileIntW(L"gfx", L"enable", 1, 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);
 }
diff --git a/hooklib/gfx.c b/hooklib/gfx.c
index f442de9..30a576a 100644
--- a/hooklib/gfx.c
+++ b/hooklib/gfx.c
@@ -147,7 +147,9 @@ static HRESULT STDMETHODCALLTYPE my_CreateDevice(
         gfx_frame_window(hwnd);
     }
 
-    return IDirect3D9_CreateDevice(real, adapter, type, hwnd, flags, pp, pdev);
+    dprintf("Gfx: IDirect3D9:: Using Display No %x\n", gfx_config.monitor);
+
+    return IDirect3D9_CreateDevice(real, gfx_config.monitor, type, hwnd, flags, pp, pdev);
 }
 
 static HRESULT gfx_frame_window(HWND hwnd)
diff --git a/hooklib/gfx.h b/hooklib/gfx.h
index 5088e0e..9a7e27c 100644
--- a/hooklib/gfx.h
+++ b/hooklib/gfx.h
@@ -6,6 +6,7 @@ struct gfx_config {
     bool enable;
     bool windowed;
     bool framed;
+    int monitor;
 };
 
 void gfx_hook_init(const struct gfx_config *cfg);