From 455faeb1bee79f41a289ae5ccd4c064cf5945233 Mon Sep 17 00:00:00 2001
From: molivier <molivier@d7cf8633-e32d-0410-b094-e92efae38249>
Date: Tue, 27 Jan 2004 08:12:54 +0000
Subject: [PATCH] Don't allow a higher depth than the desktop when using a
 windowed mode on Win32. It seems X11 already forbids this.

git-svn-id: svn://svn.icculus.org/twilight/trunk/darkplaces@3840 d7cf8633-e32d-0410-b094-e92efae38249
---
 vid_wgl.c | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/vid_wgl.c b/vid_wgl.c
index 0448ba64..fed809b0 100644
--- a/vid_wgl.c
+++ b/vid_wgl.c
@@ -751,6 +751,7 @@ int VID_InitMode (int fullscreen, int width, int height, int bpp)
 	HGLRC baseRC;
 	int CenterX, CenterY;
 	const char *gldrivername;
+	int depth;
 
 	if (vid_initialized)
 		Sys_Error("VID_InitMode called when video is already initialised\n");
@@ -802,6 +803,7 @@ int VID_InitMode (int fullscreen, int width, int height, int bpp)
 	{
 		hdc = GetDC (NULL);
 		i = GetDeviceCaps(hdc, RASTERCAPS);
+		depth = GetDeviceCaps(hdc, PLANES) * GetDeviceCaps(hdc, BITSPIXEL);
 		ReleaseDC (NULL, hdc);
 		if (i & RC_PALETTE)
 		{
@@ -809,6 +811,12 @@ int VID_InitMode (int fullscreen, int width, int height, int bpp)
 			Con_Printf ("Can't run in non-RGB mode\n");
 			return false;
 		}
+		if (bpp > depth)
+		{
+			VID_Shutdown();
+			Con_Printf ("A higher desktop depth is required to run this video mode\n");
+			return false;
+		}
 
 		WindowStyle = WS_OVERLAPPED | WS_BORDER | WS_CAPTION | WS_SYSMENU | WS_MINIMIZEBOX;
 		ExWindowStyle = 0;
-- 
2.39.2