From 7e50ef05c8afa214732389bb7d98bcc86c12759e Mon Sep 17 00:00:00 2001
From: Bruk Tedla <40060643+brukted@users.noreply.github.com>
Date: Wed, 16 Dec 2020 01:46:58 +0300
Subject: [imgui] Add experimental docking feature (#13899)

---
 ports/imgui/CONTROL        |  5 ++++-
 ports/imgui/portfile.cmake | 14 ++++++++++++--
 2 files changed, 16 insertions(+), 3 deletions(-)

diff --git a/ports/imgui/CONTROL b/ports/imgui/CONTROL
index 76730383d..949951acd 100644
--- a/ports/imgui/CONTROL
+++ b/ports/imgui/CONTROL
@@ -1,6 +1,6 @@
 Source: imgui
 Version: 1.79
-Port-Version: 1
+Port-Version: 3
 Homepage: https://github.com/ocornut/imgui
 Description: Bloat-free Immediate Mode Graphical User interface for C++ with minimal dependencies.
 
@@ -76,3 +76,6 @@ Description: Install the libigl-imgui headers
 
 Feature: wchar32
 Description: Use WCHAR32 instead of WCHAR16
+
+Feature: docking-experimental
+Description: Build with docking support
diff --git a/ports/imgui/portfile.cmake b/ports/imgui/portfile.cmake
index a826ddb1f..2238ca888 100644
--- a/ports/imgui/portfile.cmake
+++ b/ports/imgui/portfile.cmake
@@ -1,12 +1,22 @@
 vcpkg_check_linkage(ONLY_STATIC_LIBRARY)
 
-vcpkg_from_github(
+if ("docking-experimental" IN_LIST FEATURES)
+    vcpkg_from_github(
+       OUT_SOURCE_PATH SOURCE_PATH
+       REPO ocornut/imgui
+       REF 682249396f02b8c21e5ff333ab4a1969c89387ad
+       SHA512 95f17c14e0a8f10dfc51fd1b30894f9905433fac8f9a93b6c545a542df5eb20be68f40996080a85cba934107ce19fff91a1df1edad1a1b5a0030e8f626e1985d
+       HEAD_REF docking
+       )
+else()
+    vcpkg_from_github(
     OUT_SOURCE_PATH SOURCE_PATH
     REPO ocornut/imgui
     REF v1.79
     SHA512 35ed7af89123e09989ef81085f19ed15f97f4798e2b35834fd8b4ae918889b51132d85901f867ab2f379711a734bc7b2edd309d74f3f7527eaaaebfd766d3737
     HEAD_REF master
-)
+    )
+endif()
 
 file(COPY ${CMAKE_CURRENT_LIST_DIR}/CMakeLists.txt DESTINATION ${SOURCE_PATH})
 
-- 
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