From 4d3dd19b9d55ce9240ffaa628440dbe61ac599fa Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Vladim=C3=ADr=20Vondru=C5=A1?= <mosra@centrum.cz>
Date: Sat, 10 Nov 2012 21:55:29 +0100
Subject: [PATCH] Initial NaCl support.

 * Explicitly set OpenGL ES 2.0 support.
 * Provide information about NaCl target to users.
---
 CMakeLists.txt              | 7 +++++++
 modules/FindMagnum.cmake    | 4 ++++
 src/magnumConfigure.h.cmake | 1 +
 3 files changed, 12 insertions(+)

diff --git a/CMakeLists.txt b/CMakeLists.txt
index 5713f9a8c..b0853ba78 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -30,6 +30,13 @@ endif()
 
 set(CMAKE_MODULE_PATH ${CMAKE_MODULE_PATH} "${Magnum_SOURCE_DIR}/modules/")
 
+# If targetting NaCl, set explicit OpenGL ES 2.0 support
+if(${CMAKE_SYSTEM_NAME} STREQUAL NaCl)
+    set(TARGET_GLES 1)
+    set(TARGET_GLES2 1)
+    set(MAGNUM_TARGET_NACL 1)
+endif()
+
 # Check dependencies
 find_package(Corrade REQUIRED)
 if(NOT TARGET_GLES)
diff --git a/modules/FindMagnum.cmake b/modules/FindMagnum.cmake
index 51d0311f6..24fb74479 100644
--- a/modules/FindMagnum.cmake
+++ b/modules/FindMagnum.cmake
@@ -80,6 +80,10 @@ string(FIND "${_magnumConfigure}" "#define MAGNUM_TARGET_GLES2" _TARGET_GLES2)
 if(NOT _TARGET_GLES2 EQUAL -1)
     set(MAGNUM_TARGET_GLES2 1)
 endif()
+string(FIND "${_magnumConfigure}" "#define MAGNUM_TARGET_NACL" _TARGET_NACL)
+if(NOT _TARGET_NACL EQUAL -1)
+    set(MAGNUM_TARGET_NACL 1)
+endif()
 
 if(NOT MAGNUM_TARGET_GLES)
     find_package(OpenGL REQUIRED)
diff --git a/src/magnumConfigure.h.cmake b/src/magnumConfigure.h.cmake
index a2d1d818f..3296b3c10 100644
--- a/src/magnumConfigure.h.cmake
+++ b/src/magnumConfigure.h.cmake
@@ -1,3 +1,4 @@
+#cmakedefine MAGNUM_TARGET_NACL
 #cmakedefine MAGNUM_TARGET_GLES
 #cmakedefine MAGNUM_TARGET_GLES2
 #cmakedefine MAGNUM_GCC46_COMPATIBILITY