add GLES 2 renderer for 2D

This commit adds a new rendering backend, GLES2, and adds a
project setting to enable it.

Currently this backend can only be used on the X11 platform,
but integrating into other platforms is planned.

1 files changed, 7 insertions, 0 deletions

diff --git a/drivers/gles2/SCsub b/drivers/gles2/SCsub
new file mode 100644
index 000000000..2471dd373
--- /dev/null
+++ b/drivers/gles2/SCsub
@@ -0,0 +1,7 @@
+#!/usr/bin/env python
+
+Import('env')
+
+env.add_source_files(env.drivers_sources,"*.cpp")
+
+SConscript("shaders/SCsub")