From 45f67bf2ab96f15ef2d99848ef150128b3d44465 Mon Sep 17 00:00:00 2001
From: Bryce Harrington <bryce@osg.samsung.com>
Date: Fri, 1 Dec 2017 20:11:12 -0800
Subject: Add XCB support

This adds an XCB backend and hooks it up for cairo (not skia... yet).
This is for doing performance comparisons of the GL backend against
"standard Cairo".
---
 CMakeScripts/Modules/FindXCB.cmake | 57 ++++++++++++++++++++++++++++++++++++++
 1 file changed, 57 insertions(+)
 create mode 100644 CMakeScripts/Modules/FindXCB.cmake

(limited to 'CMakeScripts')

diff --git a/CMakeScripts/Modules/FindXCB.cmake b/CMakeScripts/Modules/FindXCB.cmake
new file mode 100644
index 0000000..2590ac6
--- /dev/null
+++ b/CMakeScripts/Modules/FindXCB.cmake
@@ -0,0 +1,57 @@
+#.rst:
+# FindXCB
+# -------
+#
+# Find XCB libraries
+#
+# Tries to find xcb libraries on unix systems.
+#
+# - Be sure to set the COMPONENTS to the components you want to link to
+# - The XCB_LIBRARIES variable is set ONLY to your COMPONENTS list
+# - To use only a specific component check the XCB_LIBRARIES_${COMPONENT} variable
+#
+# The following values are defined
+#
+# ::
+#
+#   XCB_FOUND         - True if xcb is available
+#   XCB_INCLUDE_DIRS  - Include directories for xcb
+#   XCB_LIBRARIES     - List of libraries for xcb
+#   XCB_DEFINITIONS   - List of definitions for xcb
+#
+#=============================================================================
+# Copyright (c) 2015 Jari Vetoniemi
+#
+# Distributed under the OSI-approved BSD License (the "License");
+#
+# This software is distributed WITHOUT ANY WARRANTY; without even the
+# implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
+# See the License for more information.
+#=============================================================================
+
+include(FeatureSummary)
+set_package_properties(XCB PROPERTIES
+  URL "http://xcb.freedesktop.org/"
+  DESCRIPTION "X protocol C-language Binding")
+
+if (NOT XCB_FIND_COMPONENTS)
+  set(XCB_FIND_COMPONENTS xcb)
+endif (NOT XCB_FIND_COMPONENTS)
+
+find_package(PkgConfig)
+pkg_check_modules(PC_XCB QUIET xcb ${XCB_FIND_COMPONENTS})
+
+find_library(XCB_LIBRARIES xcb HINTS ${PC_XCB_LIBRARY_DIRS})
+find_path(XCB_INCLUDE_DIRS xcb/xcb.h PATH_SUFFIXES xcb HINTS ${PC_XCB_INCLUDE_DIRS})
+
+foreach(COMPONENT ${XCB_FIND_COMPONENTS})
+	find_library(XCB_LIBRARIES_${COMPONENT} ${COMPONENT} HINTS ${PC_XCB_LIBRARY_DIRS})
+	list(APPEND XCB_LIBRARIES ${XCB_LIBRARIES_${COMPONENT}})
+	mark_as_advanced(XCB_LIBRARIES_${COMPONENT})
+endforeach(COMPONENT ${XCB_FIND_COMPONENTS})
+
+set(XCB_DEFINITIONS ${PC_XCB_CFLAGS_OTHER})
+
+include(FindPackageHandleStandardArgs)
+find_package_handle_standard_args(XCB DEFAULT_MSG XCB_LIBRARIES XCB_INCLUDE_DIRS)
+mark_as_advanced(XCB_INCLUDE_DIRS XCB_LIBRARIES XCB_DEFINITIONS)
-- 
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