VirtualGL: add patch to fix build with recent mesa versions

srcpkgs/VirtualGL/patches/faedcc1e36b4ed89a325e01822447900840a0b77.patch

@@ -0,0 +1,105 @@
+From faedcc1e36b4ed89a325e01822447900840a0b77 Mon Sep 17 00:00:00 2001
+From: DRC <information@virtualgl.org>
+Date: Thu, 13 Feb 2020 19:11:46 -0600
+Subject: [PATCH] Faker: Fix build issue w/ Mesa 19.3.0+ headers
+
+Mesa changed the signatures for glXGetTransparentIndexSUN() and
+glXQueryGLXPbufferSGIX() to match the official GLX extension specs:
+https://www.khronos.org/registry/OpenGL/extensions/SUN/GLX_SUN_get_transparent_index.txt
+https://www.khronos.org/registry/OpenGL/extensions/SGIX/GLX_SGIX_pbuffer.txt
+
+Reference:
+https://gitlab.freedesktop.org/mesa/mesa/commit/3dd299c3d5b88114894ec30d1fac85fba688201f
+
+Fixes #109
+---
+ ChangeLog.md         |  2 ++
+ server/faker-glx.cpp | 14 +++++++++++++-
+ server/faker-sym.h   |  8 +++++++-
+ 3 files changed, 22 insertions(+), 2 deletions(-)
+
+diff --git a/ChangeLog.md b/ChangeLog.md
+index 8d092bd7..78391d06 100644
+--- a/ChangeLog.md
++++ b/ChangeLog.md
+@@ -6,6 +6,8 @@
+ 1. VirtualGL now works properly with 3D applications that use the
+ `glDrawBuffers()` function and render to the front buffer.
+ 
++2. VirtualGL can now be built using the GLX headers from Mesa 19.3.0 and later.
++
+ 
+ 2.6.3
+ =====
+diff --git a/server/faker-glx.cpp b/server/faker-glx.cpp
+index faea37b6..6e7beb63 100644
+--- a/server/faker-glx.cpp
++++ b/server/faker-glx.cpp
+@@ -1,6 +1,6 @@
+ // Copyright (C)2004 Landmark Graphics Corporation
+ // Copyright (C)2005, 2006 Sun Microsystems, Inc.
+-// Copyright (C)2009, 2011-2019 D. R. Commander
++// Copyright (C)2009, 2011-2020 D. R. Commander
+ //
+ // This library is free software and may be redistributed and/or modified under
+ // the terms of the wxWindows Library License, Version 3.1 or (at your option)
+@@ -2192,11 +2192,18 @@ void glXQueryDrawable(Display *dpy, GLXDrawable draw, int attribute,
+ 	CATCH();
+ }
+ 
++#if defined(GLX_GLXEXT_VERSION) && GLX_GLXEXT_VERSION >= 20190000
++void glXQueryGLXPbufferSGIX(Display *dpy, GLXPbuffer pbuf, int attribute,
++	unsigned int *value)
++#else
+ int glXQueryGLXPbufferSGIX(Display *dpy, GLXPbuffer pbuf, int attribute,
+ 	unsigned int *value)
++#endif
+ {
+ 	glXQueryDrawable(dpy, pbuf, attribute, value);
++	#if !defined(GLX_GLXEXT_VERSION) || GLX_GLXEXT_VERSION < 20190000
+ 	return 0;
++	#endif
+ }
+ 
+ 
+@@ -2358,8 +2365,13 @@ void glXSwapBuffers(Display *dpy, GLXDrawable drawable)
+ 
+ // Returns the transparent index from the overlay visual on the 2D X server
+ 
++#if defined(GLX_GLXEXT_VERSION) && GLX_GLXEXT_VERSION >= 20190000
++int glXGetTransparentIndexSUN(Display *dpy, Window overlay, Window underlay,
++	unsigned long *transparentIndex)
++#else
+ int glXGetTransparentIndexSUN(Display *dpy, Window overlay, Window underlay,
+ 	long *transparentIndex)
++#endif
+ {
+ 	int retval = False;
+ 	XWindowAttributes xwa;
+diff --git a/server/faker-sym.h b/server/faker-sym.h
+index b9aa30d0..0168ac7b 100644
+--- a/server/faker-sym.h
++++ b/server/faker-sym.h
+@@ -1,6 +1,6 @@
+ // Copyright (C)2004 Landmark Graphics Corporation
+ // Copyright (C)2005, 2006 Sun Microsystems, Inc.
+-// Copyright (C)2009, 2011, 2013-2016, 2018-2019 D. R. Commander
++// Copyright (C)2009, 2011, 2013-2016, 2018-2020 D. R. Commander
+ //
+ // This library is free software and may be redistributed and/or modified under
+ // the terms of the wxWindows Library License, Version 3.1 or (at your option)
+@@ -535,8 +535,14 @@ FUNCDEF2(GLXFBConfigSGIX, glXGetFBConfigFromVisualSGIX, Display *, dpy,
+ 
+ // GLX_SUN_get_transparent_index
+ 
++#if defined(GLX_GLXEXT_VERSION) && GLX_GLXEXT_VERSION >= 20190000
++FUNCDEF4(int, glXGetTransparentIndexSUN, Display *, dpy, Window, overlay,
++	Window, underlay, unsigned long *, transparentIndex,
++	glXGetTransparentIndexSUN)
++#else
+ FUNCDEF4(int, glXGetTransparentIndexSUN, Display *, dpy, Window, overlay,
+ 	Window, underlay, long *, transparentIndex, glXGetTransparentIndexSUN);
++#endif
+ 
+ 
+ // GL functions

srcpkgs/VirtualGL/template

@@ -14,6 +14,7 @@ license="LGPL-2.1-or-later"
 homepage="http://www.virtualgl.org/"
 distfiles="${SOURCEFORGE_SITE}/virtualgl/${version}/${pkgname}-${version}.tar.gz"
 checksum=79dff857862890215794509ac65826005625925d03bf0874a486d695aae6f859
+patch_args="-Np1"
 
 archs="i686* x86_64*"