diff --git a/Makefile b/Makefile
index acf4054dbf..eb3b29f076 100644
--- a/Makefile
+++ b/Makefile
@@ -221,12 +221,12 @@ ifeq ($(HAVE_OPENGL), 1)
       endif
    endif
 	
+   DEFINES += -DHAVE_GL_SYNC
    ifeq ($(HAVE_GLES), 1)
       LIBS += -lGLESv2
       DEFINES += -DHAVE_OPENGLES -DHAVE_OPENGLES2
       OBJ += gfx/glsym/glsym_es2.o
    else
-      DEFINES += -DHAVE_GL_SYNC
       OBJ += gfx/glsym/glsym_gl.o
       ifeq ($(OSX), 1)
          LIBS += -framework OpenGL
diff --git a/gfx/gl.c b/gfx/gl.c
index 884aeb37bc..72663f42a2 100644
--- a/gfx/gl.c
+++ b/gfx/gl.c
@@ -142,9 +142,20 @@ static bool check_eglimage_proc(void)
 #endif
 
 #ifdef HAVE_GL_SYNC
+#ifdef HAVE_OPENGLES2
+#define glFenceSync glFenceSyncAPPLE
+#define glDeleteSync glDeleteSyncAPPLE
+#define glClientWaitSync glClientWaitSyncAPPLE
+#define GL_SYNC_GPU_COMMANDS_COMPLETE GL_SYNC_GPU_COMMANDS_COMPLETE_APPLE
+#define GL_SYNC_FLUSH_COMMANDS_BIT GL_SYNC_FLUSH_COMMANDS_BIT_APPLE
+#endif
 static bool check_sync_proc(gl_t *gl)
 {
+#ifdef HAVE_OPENGLES
+   if (!gl_query_extension(gl, "APPLE_sync"))
+#else
    if (!gl_query_extension(gl, "ARB_sync"))
+#endif
       return false;
 
    return glFenceSync && glDeleteSync && glClientWaitSync;
diff --git a/gfx/glsym/glgen.py b/gfx/glsym/glgen.py
index 0d07fbbf92..a749fe5851 100755
--- a/gfx/glsym/glgen.py
+++ b/gfx/glsym/glgen.py
@@ -25,7 +25,7 @@ import sys
 import os
 import re
 
-banned_ext = [ 'AMD', 'APPLE', 'EXT', 'NV', 'NVX', 'ATI', '3DLABS', 'SUN', 'SGI', 'SGIX', 'SGIS', 'INTEL', '3DFX', 'IBM', 'MESA', 'GREMEDY', 'OML', 'PGI', 'I3D', 'INGL', 'MTX', 'QCOM', 'IMG', 'ANGLE', 'SUNX', 'INGR' ]
+banned_ext = [ 'AMD', 'EXT', 'NV', 'NVX', 'ATI', '3DLABS', 'SUN', 'SGI', 'SGIX', 'SGIS', 'INTEL', '3DFX', 'IBM', 'MESA', 'GREMEDY', 'OML', 'PGI', 'I3D', 'INGL', 'MTX', 'QCOM', 'IMG', 'ANGLE', 'SUNX', 'INGR' ]
 
 def noext(sym):
    for ext in banned_ext:
diff --git a/gfx/glsym/glsym_es2.c b/gfx/glsym/glsym_es2.c
index 26f2a44e72..19132195af 100644
--- a/gfx/glsym/glsym_es2.c
+++ b/gfx/glsym/glsym_es2.c
@@ -30,6 +30,16 @@ const struct rglgen_sym_map rglgen_symbol_map[] = {
     SYM(ObjectPtrLabel),
     SYM(GetObjectPtrLabel),
     SYM(GetPointerv),
+    SYM(CopyTextureLevelsAPPLE),
+    SYM(RenderbufferStorageMultisampleAPPLE),
+    SYM(ResolveMultisampleFramebufferAPPLE),
+    SYM(FenceSyncAPPLE),
+    SYM(IsSyncAPPLE),
+    SYM(DeleteSyncAPPLE),
+    SYM(ClientWaitSyncAPPLE),
+    SYM(WaitSyncAPPLE),
+    SYM(GetInteger64vAPPLE),
+    SYM(GetSyncivAPPLE),
 
     { NULL, NULL },
 };
@@ -61,4 +71,14 @@ RGLSYMGLGETOBJECTLABELPROC __rglgen_glGetObjectLabel;
 RGLSYMGLOBJECTPTRLABELPROC __rglgen_glObjectPtrLabel;
 RGLSYMGLGETOBJECTPTRLABELPROC __rglgen_glGetObjectPtrLabel;
 RGLSYMGLGETPOINTERVPROC __rglgen_glGetPointerv;
+RGLSYMGLCOPYTEXTURELEVELSAPPLEPROC __rglgen_glCopyTextureLevelsAPPLE;
+RGLSYMGLRENDERBUFFERSTORAGEMULTISAMPLEAPPLEPROC __rglgen_glRenderbufferStorageMultisampleAPPLE;
+RGLSYMGLRESOLVEMULTISAMPLEFRAMEBUFFERAPPLEPROC __rglgen_glResolveMultisampleFramebufferAPPLE;
+RGLSYMGLFENCESYNCAPPLEPROC __rglgen_glFenceSyncAPPLE;
+RGLSYMGLISSYNCAPPLEPROC __rglgen_glIsSyncAPPLE;
+RGLSYMGLDELETESYNCAPPLEPROC __rglgen_glDeleteSyncAPPLE;
+RGLSYMGLCLIENTWAITSYNCAPPLEPROC __rglgen_glClientWaitSyncAPPLE;
+RGLSYMGLWAITSYNCAPPLEPROC __rglgen_glWaitSyncAPPLE;
+RGLSYMGLGETINTEGER64VAPPLEPROC __rglgen_glGetInteger64vAPPLE;
+RGLSYMGLGETSYNCIVAPPLEPROC __rglgen_glGetSyncivAPPLE;
 
diff --git a/gfx/glsym/glsym_es2.h b/gfx/glsym/glsym_es2.h
index 55efec49f6..45e8c69890 100644
--- a/gfx/glsym/glsym_es2.h
+++ b/gfx/glsym/glsym_es2.h
@@ -49,6 +49,16 @@ typedef void (GL_APIENTRYP RGLSYMGLGETOBJECTLABELPROC) (GLenum identifier, GLuin
 typedef void (GL_APIENTRYP RGLSYMGLOBJECTPTRLABELPROC) (const void *ptr, GLsizei length, const GLchar *label);
 typedef void (GL_APIENTRYP RGLSYMGLGETOBJECTPTRLABELPROC) (const void *ptr, GLsizei bufSize, GLsizei *length, GLchar *label);
 typedef void (GL_APIENTRYP RGLSYMGLGETPOINTERVPROC) (GLenum pname, void **params);
+typedef void (GL_APIENTRYP RGLSYMGLCOPYTEXTURELEVELSAPPLEPROC) (GLuint destinationTexture, GLuint sourceTexture, GLint sourceBaseLevel, GLsizei sourceLevelCount);
+typedef void (GL_APIENTRYP RGLSYMGLRENDERBUFFERSTORAGEMULTISAMPLEAPPLEPROC) (GLenum target, GLsizei samples, GLenum internalformat, GLsizei width, GLsizei height);
+typedef void (GL_APIENTRYP RGLSYMGLRESOLVEMULTISAMPLEFRAMEBUFFERAPPLEPROC) (void);
+typedef GLsync (GL_APIENTRYP RGLSYMGLFENCESYNCAPPLEPROC) (GLenum condition, GLbitfield flags);
+typedef GLboolean (GL_APIENTRYP RGLSYMGLISSYNCAPPLEPROC) (GLsync sync);
+typedef void (GL_APIENTRYP RGLSYMGLDELETESYNCAPPLEPROC) (GLsync sync);
+typedef GLenum (GL_APIENTRYP RGLSYMGLCLIENTWAITSYNCAPPLEPROC) (GLsync sync, GLbitfield flags, GLuint64 timeout);
+typedef void (GL_APIENTRYP RGLSYMGLWAITSYNCAPPLEPROC) (GLsync sync, GLbitfield flags, GLuint64 timeout);
+typedef void (GL_APIENTRYP RGLSYMGLGETINTEGER64VAPPLEPROC) (GLenum pname, GLint64 *params);
+typedef void (GL_APIENTRYP RGLSYMGLGETSYNCIVAPPLEPROC) (GLsync sync, GLenum pname, GLsizei bufSize, GLsizei *length, GLint *values);
 
 #define glEGLImageTargetTexture2DOES __rglgen_glEGLImageTargetTexture2DOES
 #define glEGLImageTargetRenderbufferStorageOES __rglgen_glEGLImageTargetRenderbufferStorageOES
@@ -78,6 +88,16 @@ typedef void (GL_APIENTRYP RGLSYMGLGETPOINTERVPROC) (GLenum pname, void **params
 #define glObjectPtrLabel __rglgen_glObjectPtrLabel
 #define glGetObjectPtrLabel __rglgen_glGetObjectPtrLabel
 #define glGetPointerv __rglgen_glGetPointerv
+#define glCopyTextureLevelsAPPLE __rglgen_glCopyTextureLevelsAPPLE
+#define glRenderbufferStorageMultisampleAPPLE __rglgen_glRenderbufferStorageMultisampleAPPLE
+#define glResolveMultisampleFramebufferAPPLE __rglgen_glResolveMultisampleFramebufferAPPLE
+#define glFenceSyncAPPLE __rglgen_glFenceSyncAPPLE
+#define glIsSyncAPPLE __rglgen_glIsSyncAPPLE
+#define glDeleteSyncAPPLE __rglgen_glDeleteSyncAPPLE
+#define glClientWaitSyncAPPLE __rglgen_glClientWaitSyncAPPLE
+#define glWaitSyncAPPLE __rglgen_glWaitSyncAPPLE
+#define glGetInteger64vAPPLE __rglgen_glGetInteger64vAPPLE
+#define glGetSyncivAPPLE __rglgen_glGetSyncivAPPLE
 
 extern RGLSYMGLEGLIMAGETARGETTEXTURE2DOESPROC __rglgen_glEGLImageTargetTexture2DOES;
 extern RGLSYMGLEGLIMAGETARGETRENDERBUFFERSTORAGEOESPROC __rglgen_glEGLImageTargetRenderbufferStorageOES;
@@ -107,6 +127,16 @@ extern RGLSYMGLGETOBJECTLABELPROC __rglgen_glGetObjectLabel;
 extern RGLSYMGLOBJECTPTRLABELPROC __rglgen_glObjectPtrLabel;
 extern RGLSYMGLGETOBJECTPTRLABELPROC __rglgen_glGetObjectPtrLabel;
 extern RGLSYMGLGETPOINTERVPROC __rglgen_glGetPointerv;
+extern RGLSYMGLCOPYTEXTURELEVELSAPPLEPROC __rglgen_glCopyTextureLevelsAPPLE;
+extern RGLSYMGLRENDERBUFFERSTORAGEMULTISAMPLEAPPLEPROC __rglgen_glRenderbufferStorageMultisampleAPPLE;
+extern RGLSYMGLRESOLVEMULTISAMPLEFRAMEBUFFERAPPLEPROC __rglgen_glResolveMultisampleFramebufferAPPLE;
+extern RGLSYMGLFENCESYNCAPPLEPROC __rglgen_glFenceSyncAPPLE;
+extern RGLSYMGLISSYNCAPPLEPROC __rglgen_glIsSyncAPPLE;
+extern RGLSYMGLDELETESYNCAPPLEPROC __rglgen_glDeleteSyncAPPLE;
+extern RGLSYMGLCLIENTWAITSYNCAPPLEPROC __rglgen_glClientWaitSyncAPPLE;
+extern RGLSYMGLWAITSYNCAPPLEPROC __rglgen_glWaitSyncAPPLE;
+extern RGLSYMGLGETINTEGER64VAPPLEPROC __rglgen_glGetInteger64vAPPLE;
+extern RGLSYMGLGETSYNCIVAPPLEPROC __rglgen_glGetSyncivAPPLE;
 
 struct rglgen_sym_map { const char *sym; void *ptr; };
 extern const struct rglgen_sym_map rglgen_symbol_map[];