Added patch to fix wglDescribePixelFormat when NULL is passed as pixel format descriptor.

patches/Makefile

@@ -35,6 +35,7 @@ PATCHLIST := \
 	dbghelp-KdHelp.ok \
 	dsound-Fast_Mixer.ok \
 	fonts-Missing_Fonts.ok \
+	gdi32-MaxPixelFormats.ok \
 	gdi32-MultiMonitor.ok \
 	gdiplus-GdipCreateRegionRgnData.ok \
 	imagehlp-BindImageEx.ok \
@@ -469,6 +470,24 @@ fonts-Missing_Fonts.ok:
 		echo '+    { "fonts-Missing_Fonts", "Torsten Kurbad / Erich E. Hoover", "Implement missing fonts expected by Silverlight. [rev 2]" },'; \
 	) > fonts-Missing_Fonts.ok
 
+# Patchset gdi32-MaxPixelFormats
+# |
+# | Included patches:
+# |   *	Return maximum number of pixel formats when NULL pointer is passed to wglDescribePixelFormat. [by Sebastian Lackner]
+# |
+# | This patchset fixes the following Wine bugs:
+# |   *	[#6176] wglDescribePixelFormat should return max index for NULL descriptor
+# |
+# | Modified files:
+# |   *	dlls/gdi32/dibdrv/opengl.c
+# |
+.INTERMEDIATE: gdi32-MaxPixelFormats.ok
+gdi32-MaxPixelFormats.ok:
+	$(call APPLY_FILE,gdi32-MaxPixelFormats/0001-gdi32-Return-maximum-number-of-pixel-formats-when-NU.patch)
+	@( \
+		echo '+    { "gdi32-MaxPixelFormats", "Sebastian Lackner", "Return maximum number of pixel formats when NULL pointer is passed to wglDescribePixelFormat." },'; \
+	) > gdi32-MaxPixelFormats.ok
+
 # Patchset gdi32-MultiMonitor
 # |
 # | Included patches:

patches/gdi32-MaxPixelFormats/0001-gdi32-Return-maximum-number-of-pixel-formats-when-NU.patch

@@ -0,0 +1,27 @@
+From 69bb805398645531fbc224319ab99dab29129c68 Mon Sep 17 00:00:00 2001
+From: Sebastian Lackner <sebastian@fds-team.de>
+Date: Sat, 8 Nov 2014 11:32:11 +0100
+Subject: gdi32: Return maximum number of pixel formats when NULL pointer is
+ passed to wglDescribePixelFormat.
+
+---
+ dlls/gdi32/dibdrv/opengl.c | 3 ++-
+ 1 file changed, 2 insertions(+), 1 deletion(-)
+
+diff --git a/dlls/gdi32/dibdrv/opengl.c b/dlls/gdi32/dibdrv/opengl.c
+index 28a03f4..edbd2e9 100644
+--- a/dlls/gdi32/dibdrv/opengl.c
++++ b/dlls/gdi32/dibdrv/opengl.c
+@@ -149,7 +149,8 @@ static int dibdrv_wglDescribePixelFormat( HDC hdc, int fmt, UINT size, PIXELFORM
+ {
+     int ret = sizeof(pixel_formats) / sizeof(pixel_formats[0]);
+ 
+-    if (fmt <= 0 || fmt > ret) return ret;
++    if (!descr) return ret;
++    if (fmt <= 0 || fmt > ret) return ret; /* FIXME: should this be 0? */
+     if (size < sizeof(*descr)) return 0;
+ 
+     memset( descr, 0, sizeof(*descr) );
+-- 
+2.1.3
+

patches/gdi32-MaxPixelFormats/definition

@@ -0,0 +1,4 @@
+Author: Sebastian Lackner
+Subject: Return maximum number of pixel formats when NULL pointer is passed to wglDescribePixelFormat.
+Revision: 1
+Fixes: [6176] wglDescribePixelFormat should return max index for NULL descriptor