From 4e8e1629d1c47a162faf8d3c1e151c8b242a70cd Mon Sep 17 00:00:00 2001
From: Laurent Gomila <laurent.gom@gmail.com>
Date: Mon, 26 Aug 2013 09:17:53 +0200
Subject: [PATCH] Adapted the examples for iOS (WIP)

---
 cmake/Macros.cmake             |  5 ++++-
 examples/CMakeLists.txt        | 12 ++++++++----
 examples/opengl/CMakeLists.txt | 11 ++++++++---
 examples/opengl/OpenGL.cpp     | 12 ++++++++++++
 examples/window/CMakeLists.txt | 11 ++++++++---
 examples/window/Window.cpp     |  9 +++++++++
 6 files changed, 49 insertions(+), 11 deletions(-)

diff --git a/cmake/Macros.cmake b/cmake/Macros.cmake
index c693afd8f..3bef23756 100644
--- a/cmake/Macros.cmake
+++ b/cmake/Macros.cmake
@@ -268,6 +268,8 @@ macro(sfml_add_example target)
     if(THIS_GUI_APP AND SFML_OS_WINDOWS)
         add_executable(${target} WIN32 ${THIS_SOURCES})
         target_link_libraries(${target} sfml-main)
+    elseif(IOS)
+        add_executable(${target} MACOSX_BUNDLE ${THIS_SOURCES})
     else()
         add_executable(${target} ${THIS_SOURCES})
     endif()
@@ -299,7 +301,8 @@ macro(sfml_add_example target)
 
     # add the install rule
     install(TARGETS ${target}
-            RUNTIME DESTINATION ${INSTALL_MISC_DIR}/examples/${target} COMPONENT examples)
+            RUNTIME DESTINATION ${INSTALL_MISC_DIR}/examples/${target} COMPONENT examples
+            BUNDLE DESTINATION ${INSTALL_MISC_DIR}/examples/${target} COMPONENT examples)
 
     # install the example's source code
     install(FILES ${THIS_SOURCES}
diff --git a/examples/CMakeLists.txt b/examples/CMakeLists.txt
index 16a8711a4..b52b54737 100644
--- a/examples/CMakeLists.txt
+++ b/examples/CMakeLists.txt
@@ -2,12 +2,16 @@
 # add the examples subdirectories
 add_subdirectory(ftp)
 add_subdirectory(opengl)
-add_subdirectory(pong)
+if(NOT IOS)
+    add_subdirectory(pong)
+endif()
 add_subdirectory(shader)
 add_subdirectory(sockets)
-add_subdirectory(sound)
-add_subdirectory(sound_capture)
-add_subdirectory(voip)
+if(NOT IOS)
+    add_subdirectory(sound)
+    add_subdirectory(sound_capture)
+    add_subdirectory(voip)
+endif()
 add_subdirectory(window)
 if(SFML_OS_WINDOWS)
     add_subdirectory(win32)
diff --git a/examples/opengl/CMakeLists.txt b/examples/opengl/CMakeLists.txt
index 5a699b6f9..58c8b91f9 100644
--- a/examples/opengl/CMakeLists.txt
+++ b/examples/opengl/CMakeLists.txt
@@ -5,10 +5,15 @@ set(SRCROOT ${PROJECT_SOURCE_DIR}/examples/opengl)
 set(SRC ${SRCROOT}/OpenGL.cpp)
 
 # find OpenGL and GLU
-find_package(OpenGL REQUIRED)
-include_directories(${OPENGL_INCLUDE_DIR})
+if(NOT IOS)
+    find_package(OpenGL REQUIRED)
+    include_directories(${OPENGL_INCLUDE_DIR})
+    set(ADDITIONAL_LIBRARIES ${OPENGL_LIBRARIES})
+else()
+    set(ADDITIONAL_LIBRARIES -framework OpenGLES)
+endif()
 
 # define the opengl target
 sfml_add_example(opengl GUI_APP
                  SOURCES ${SRC}
-                 DEPENDS sfml-graphics sfml-window sfml-system ${OPENGL_LIBRARIES})
+                 DEPENDS sfml-graphics sfml-window sfml-system ${ADDITIONAL_LIBRARIES})
diff --git a/examples/opengl/OpenGL.cpp b/examples/opengl/OpenGL.cpp
index 639254bc0..bdb3a58eb 100644
--- a/examples/opengl/OpenGL.cpp
+++ b/examples/opengl/OpenGL.cpp
@@ -6,6 +6,18 @@
 #include <SFML/OpenGL.hpp>
 
 
+// Some platform-specific stuff
+#ifdef SFML_OPENGL_ES
+
+    #define glClearDepth glClearDepthf
+    #define glFrustum glFrustumf
+    #define gluBuild2DMipmaps(target, internalFormat, width, height, format, type, pixels) \
+        glTexImage2D(target, 0, internalFormat, width, height, 0, format, type, pixels); \
+        glGenerateMipmapOES(GL_TEXTURE_2D);
+
+#endif
+
+
 ////////////////////////////////////////////////////////////
 /// Entry point of application
 ///
diff --git a/examples/window/CMakeLists.txt b/examples/window/CMakeLists.txt
index a9edafa56..1a651869b 100644
--- a/examples/window/CMakeLists.txt
+++ b/examples/window/CMakeLists.txt
@@ -5,10 +5,15 @@ set(SRCROOT ${PROJECT_SOURCE_DIR}/examples/window)
 set(SRC ${SRCROOT}/Window.cpp)
 
 # find OpenGL and GLU
-find_package(OpenGL REQUIRED)
-include_directories(${OPENGL_INCLUDE_DIR})
+if(NOT IOS)
+    find_package(OpenGL REQUIRED)
+    include_directories(${OPENGL_INCLUDE_DIR})
+    set(ADDITIONAL_LIBRARIES ${OPENGL_LIBRARIES})
+else()
+    set(ADDITIONAL_LIBRARIES -framework OpenGLES)
+endif()
 
 # define the window target
 sfml_add_example(window GUI_APP
                  SOURCES ${SRC}
-                 DEPENDS sfml-window sfml-system ${OPENGL_LIBRARIES})
+                 DEPENDS sfml-window sfml-system ${ADDITIONAL_LIBRARIES})
diff --git a/examples/window/Window.cpp b/examples/window/Window.cpp
index 360703b42..bd8f4ffde 100644
--- a/examples/window/Window.cpp
+++ b/examples/window/Window.cpp
@@ -5,6 +5,15 @@
 #include <SFML/OpenGL.hpp>
 
 
+// Some platform-specific stuff
+#ifdef SFML_OPENGL_ES
+
+    #define glClearDepth glClearDepthf
+    #define glFrustum glFrustumf
+
+#endif
+
+
 ////////////////////////////////////////////////////////////
 /// Entry point of application
 ///