From e81e12ded03c6561cb2a7ca312aba25785da3869 Mon Sep 17 00:00:00 2001
From: Nigel Stewart <nigels@users.sourceforge.net>
Date: Fri, 4 May 2012 14:15:10 -0500
Subject: [PATCH] Initial #ifdef __ANDROID__ support for the GLEW build.

---
 auto/src/glew_head.c      | 29 ++++++++++++++++++-----------
 auto/src/glew_init_tail.c |  4 ++--
 auto/src/glew_utils.c     |  2 +-
 3 files changed, 21 insertions(+), 14 deletions(-)

diff --git a/auto/src/glew_head.c b/auto/src/glew_head.c
index b07db75..d12e8c2 100644
--- a/auto/src/glew_head.c
+++ b/auto/src/glew_head.c
@@ -1,7 +1,8 @@
 #include <GL/glew.h>
+
 #if defined(_WIN32)
 #  include <GL/wglew.h>
-#elif !defined(__APPLE__) || defined(GLEW_APPLE_GLX)
+#elif !defined(__ANDROID__) && (!defined(__APPLE__) || defined(GLEW_APPLE_GLX))
 #  include <GL/glxew.h>
 #endif
 
@@ -72,7 +73,11 @@ void* NSGLGetProcAddress (const GLubyte *name)
   void* addr;
   if (NULL == image) 
   {
+#ifdef GLEW_REGAL
+    image = dlopen("libRegal.dylib", RTLD_LAZY);
+#else
     image = dlopen("/System/Library/Frameworks/OpenGL.framework/Versions/Current/OpenGL", RTLD_LAZY);
+#endif
   }
   if( !image ) return NULL;
   addr = dlsym(image, (const char*)name);
@@ -94,7 +99,11 @@ void* NSGLGetProcAddress (const GLubyte *name)
   char* symbolName;
   if (NULL == image)
   {
+#ifdef GLEW_REGAL
+    image = NSAddImage("libRegal.dylib", NSADDIMAGE_OPTION_RETURN_ON_ERROR);
+#else
     image = NSAddImage("/System/Library/Frameworks/OpenGL.framework/Versions/Current/OpenGL", NSADDIMAGE_OPTION_RETURN_ON_ERROR);
+#endif
   }
   /* prepend a '_' for the Unix C symbol mangling convention */
   symbolName = malloc(strlen((const char*)name) + 2);
@@ -120,16 +129,14 @@ void* NSGLGetProcAddress (const GLubyte *name)
  */
 #if defined(_WIN32)
 #  define glewGetProcAddress(name) wglGetProcAddress((LPCSTR)name)
-#else
-#  if defined(__APPLE__)
-#    define glewGetProcAddress(name) NSGLGetProcAddress(name)
-#  else
-#    if defined(__sgi) || defined(__sun)
-#      define glewGetProcAddress(name) dlGetProcAddress(name)
-#    else /* __linux */
-#      define glewGetProcAddress(name) (*glXGetProcAddressARB)(name)
-#    endif
-#  endif
+#elif defined(__APPLE__) && !defined(GLEW_APPLE_GLX)
+#  define glewGetProcAddress(name) NSGLGetProcAddress(name)
+#elif defined(__sgi) || defined(__sun)
+#  define glewGetProcAddress(name) dlGetProcAddress(name)
+#elif defined(__ANDROID__)
+#  define glewGetProcAddress(name) NULL /* TODO */
+#else /* __linux */
+#  define glewGetProcAddress(name) (*glXGetProcAddressARB)(name)
 #endif
 
 /*
diff --git a/auto/src/glew_init_tail.c b/auto/src/glew_init_tail.c
index a4dbb81..03afcba 100644
--- a/auto/src/glew_init_tail.c
+++ b/auto/src/glew_init_tail.c
@@ -36,7 +36,7 @@ GLboolean glewExperimental = GL_FALSE;
 
 #if defined(_WIN32)
 extern GLenum wglewContextInit (void);
-#elif !defined(__APPLE__) || defined(GLEW_APPLE_GLX) /* _UNIX */
+#elif !defined(__ANDROID__) && (!defined(__APPLE__) || defined(GLEW_APPLE_GLX))
 extern GLenum glxewContextInit (void);
 #endif /* _WIN32 */
 
@@ -47,7 +47,7 @@ GLenum glewInit (void)
   if ( r != 0 ) return r;
 #if defined(_WIN32)
   return wglewContextInit();
-#elif !defined(__APPLE__) || defined(GLEW_APPLE_GLX) /* _UNIX */
+#elif !defined(__ANDROID__) && (!defined(__APPLE__) || defined(GLEW_APPLE_GLX)) /* _UNIX */
   return glxewContextInit();
 #else
   return r;
diff --git a/auto/src/glew_utils.c b/auto/src/glew_utils.c
index 85fb57f..e31f048 100644
--- a/auto/src/glew_utils.c
+++ b/auto/src/glew_utils.c
@@ -32,7 +32,7 @@
 #include <GL/glew.h>
 #if defined(_WIN32)
 #  include <GL/wglew.h>
-#elif !defined(__APPLE__) || defined(GLEW_APPLE_GLX)
+#elif !defined(__ANDROID__) && (!defined(__APPLE__) || defined(GLEW_APPLE_GLX))
 #  include <GL/glxew.h>
 #endif