Add OpenGL-Registry package (Headers only) (#424)

cmake/configs/default.cmake

@@ -111,6 +111,7 @@ hunter_default_version(OpenCL-cpp VERSION 2.0.10-p0)
 hunter_default_version(OpenCV VERSION 4.1.1-p0)
 hunter_default_version(OpenCV-Extra VERSION 4.1.1)
 hunter_default_version(OpenEXR VERSION 3.0.1-p0)
+hunter_default_version(OpenGL-Registry VERSION 0.0.0-d15191e-p0)
 hunter_default_version(OpenNMTTokenizer VERSION 1.11.0-p1)
 hunter_default_version(OpenSSL VERSION 1.1.1j)
 hunter_default_version(OpenSceneGraph VERSION 3.6.3-p0)

cmake/projects/OpenGL-Registry/hunter.cmake

@@ -0,0 +1,24 @@
+# Copyright (c) 2016-2020, Rahul Sheth, Ruslan Baratov
+# All rights reserved.
+
+# !!! DO NOT PLACE HEADER GUARDS HERE !!!
+
+include(hunter_add_version)
+include(hunter_cacheable)
+include(hunter_download)
+include(hunter_pick_scheme)
+
+hunter_add_version(
+    PACKAGE_NAME
+    OpenGL-Registry
+    VERSION
+    0.0.0-d15191e-p0
+    URL
+    "https://github.com/cpp-pm/OpenGL-Registry/archive/refs/tags/v0.0.0-d15191e-p0.tar.gz"
+    SHA1
+    841544bab9789c589012780a3e6a3e3ff50bce16
+)
+
+hunter_pick_scheme(DEFAULT url_sha1_cmake)
+hunter_cacheable(OpenGL-Registry)
+hunter_download(PACKAGE_NAME OpenGL-Registry)

docs/packages/pkg/OpenGL-Registry.rst

@@ -0,0 +1,21 @@
+.. spelling::
+
+    OpenGL
+
+.. index::
+  single: unsorted ; OpenGL-Registry
+
+.. _pkg.OpenGL-Registry:
+
+OpenGL-Registry
+===============
+
+-  `Official <https://github.com/KhronosGroup/OpenGL-Registry>`__
+-  `Hunterized <https://github.com/cpp-pm/OpenGL-Registry>`__
+-  `Example <https://github.com/cpp-pm/hunter/blob/master/examples/OpenGL-Registry/CMakeLists.txt>`__
+-  Added by `Rahul Sheth <https://github.com/rbsheth>`__ (`pr-424 <https://github.com/cpp-pm/hunter/pull/424>`__)
+
+.. literalinclude:: /../examples/OpenGL-Registry/CMakeLists.txt
+  :language: cmake
+  :start-after: # DOCUMENTATION_START {
+  :end-before: # DOCUMENTATION_END }

examples/OpenGL-Registry/CMakeLists.txt

@@ -0,0 +1,18 @@
+# Copyright (c) 2016-2020, Rahul Sheth, Ruslan Baratov
+# All rights reserved.
+
+cmake_minimum_required(VERSION 3.2)
+
+# Emulate HunterGate:
+# * https://github.com/hunter-packages/gate
+include("../common.cmake")
+
+project(download-OpenGL-Registry)
+
+# DOCUMENTATION_START {
+hunter_add_package(OpenGL-Registry)
+find_package(OpenGL-Registry CONFIG REQUIRED)
+
+add_executable(boo boo.cpp)
+target_link_libraries(boo PUBLIC OpenGL::Registry-Headers)
+# DOCUMENTATION_END }

examples/OpenGL-Registry/boo.cpp

@@ -0,0 +1,8 @@
+#include <GL/glcorearb.h>
+
+#include <iostream>
+
+int main() {
+    khronos_uint8_t test = 0;
+    std::cout << "testing: " << test << std::endl;
+}