glTF: add Draco shared library for mesh compression.

Draco is added as a library under extern/ and builds a shared library that is
installed into the Python site-packages. This is then loaded by the glTF add-on
to do mesh compression.

Differential Revision: https://developer.blender.org/D4501

1 files changed, 29 insertions, 0 deletions

diff --git a/extern/draco/CMakeLists.txt b/extern/draco/CMakeLists.txt
new file mode 100644
index 00000000000..c51af24c9a4
--- /dev/null
+++ b/extern/draco/CMakeLists.txt
@@ -0,0 +1,29 @@
+# ***** BEGIN GPL LICENSE BLOCK *****
+#
+# This program is free software; you can redistribute it and/or
+# modify it under the terms of the GNU General Public License
+# as published by the Free Software Foundation; either version 2
+# of the License, or (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write to the Free Software Foundation,
+# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+#
+# The Original Code is Copyright (C) 2019, Blender Foundation
+# All rights reserved.
+# ***** END GPL LICENSE BLOCK *****
+
+set(CMAKE_CXX_STANDARD 14)
+
+# Build Draco library.
+add_subdirectory(dracoenc)
+
+# Build blender-draco-exporter module.
+add_library(extern_draco SHARED src/draco-compressor.cpp)
+target_include_directories(extern_draco PUBLIC dracoenc/src)
+target_link_libraries(extern_draco PUBLIC dracoenc)