From 8f2f126c31da1afc2877426acf9ab97d90b1d036 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Martin=20Gr=C3=A4=C3=9Flin?= <ubuntu@martin-graesslin.com>
Date: Tue, 14 Sep 2010 21:40:51 +0200
Subject: [PATCH] CMake check to find OpenGLES

---
 CMakeLists.txt         | 12 ++++++++++++
 lib/kwinconfig.h.cmake | 12 ++++++++++++
 2 files changed, 24 insertions(+)

diff --git a/CMakeLists.txt b/CMakeLists.txt
index fc612703bb..56f6ce5ba1 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -15,6 +15,13 @@ if( KWIN_HAVE_COMPOSITING AND X11_Xrender_FOUND AND X11_Xfixes_FOUND )
     set( KWIN_HAVE_XRENDER_COMPOSITING 1 )
 endif( KWIN_HAVE_COMPOSITING AND X11_Xrender_FOUND AND X11_Xfixes_FOUND )
 
+# KWIN_HAVE_OPENGLES_COMPOSITING - whether OpenGL ES-based compositing support is available
+if( KWIN_HAVE_COMPOSITING AND OPENGLES_FOUND )
+    set( KWIN_HAVE_OPENGL_COMPOSITING 1)
+    set( KWIN_HAVE_OPENGLES_COMPOSITING 1 )
+    message("Comiling KWin for mobile.")
+endif( KWIN_HAVE_COMPOSITING AND OPENGLES_FOUND )
+
 # safety
 if( KWIN_HAVE_OPENGL_COMPOSITING OR KWIN_HAVE_XRENDER_COMPOSITING )
     # ok
@@ -25,11 +32,16 @@ endif( KWIN_HAVE_OPENGL_COMPOSITING OR KWIN_HAVE_XRENDER_COMPOSITING )
 macro_log_feature(KWIN_HAVE_COMPOSITING "Compositing support" "X11 Compositing support"  "http://www.x.org/" FALSE "" "XComposite and XDamage extensions and OpenGL or XRender with XFixes are required for KWin compositing support")
 
 macro_bool_to_01( OPENGL_FOUND KWIN_HAVE_OPENGL )
+macro_bool_to_01( OPENGLES_FOUND KWIN_HAVE_OPENGLES )
 
 if(OPENGL_FOUND)
   include_directories(${OPENGL_INCLUDE_DIR})
 endif(OPENGL_FOUND)
 
+if(OPENGLES_FOUND)
+  include_directories(${OPENGLES_INCLUDE_DIR})
+endif(OPENGLES_FOUND)
+
 # for things that are also used by kwin libraries
 configure_file(lib/kwinconfig.h.cmake ${CMAKE_CURRENT_BINARY_DIR}/lib/kwinconfig.h )
 # for kwin internal things
diff --git a/lib/kwinconfig.h.cmake b/lib/kwinconfig.h.cmake
index b653e8d8b9..22405a585c 100644
--- a/lib/kwinconfig.h.cmake
+++ b/lib/kwinconfig.h.cmake
@@ -15,6 +15,15 @@
 #undef KWIN_HAVE_OPENGL
 #endif
 
+#if ${KWIN_HAVE_OPENGLES}
+#define KWIN_HAVE_OPENGLES 1
+#ifndef KWIN_HAVE_OPENGL
+#define KWIN_HAVE_OPENGL 1
+#endif
+#else
+#undef KWIN_HAVE_OPENGLES
+#endif
+
 /*
  
  These should be primarily used to detect what kind of compositing
@@ -28,6 +37,9 @@
 /* KWIN_HAVE_OPENGL_COMPOSITING - whether OpenGL-based compositing support is available */
 #cmakedefine KWIN_HAVE_OPENGL_COMPOSITING
 
+/* KWIN_HAVE_OPENGLES_COMPOSITING - whether OpenGL ES-based compositing support is available */
+#cmakedefine KWIN_HAVE_OPENGLES_COMPOSITING
+
 /* KWIN_HAVE_XRENDER_COMPOSITING - whether XRender-based compositing support is available */
 #cmakedefine KWIN_HAVE_XRENDER_COMPOSITING