From c0ec5e2333b6350480851b8b48f000c78ea3f88a Mon Sep 17 00:00:00 2001
From: Michael Chock <mchock@nvidia.com>
Date: Mon, 27 Jan 2014 08:14:33 -0800
Subject: [PATCH] Expose core EGL entry points to eglGetProcAddress

Required behavior for EGL_KHR_get_all_proc_addresses.

Change-Id: I1e6209ef3cb9f2fa6f22808b077c35139d4cb814
---
 opengl/libs/EGL/Loader.cpp | 5 +++++
 opengl/libs/EGL/eglApi.cpp | 7 +++++--
 opengl/libs/EGL/egldefs.h  | 1 +
 3 files changed, 11 insertions(+), 2 deletions(-)

diff --git a/opengl/libs/EGL/Loader.cpp b/opengl/libs/EGL/Loader.cpp
index e52883170..1fcc048b2 100644
--- a/opengl/libs/EGL/Loader.cpp
+++ b/opengl/libs/EGL/Loader.cpp
@@ -188,12 +188,17 @@ void* Loader::open(egl_connection_t* cnx)
     LOG_ALWAYS_FATAL_IF(!hnd, "couldn't find an OpenGL ES implementation");
 
 #if defined(__LP64__)
+    cnx->libEgl   = load_wrapper("/system/lib64/libEGL.so");
     cnx->libGles2 = load_wrapper("/system/lib64/libGLESv2.so");
     cnx->libGles1 = load_wrapper("/system/lib64/libGLESv1_CM.so");
 #else
+    cnx->libEgl   = load_wrapper("/system/lib/libEGL.so");
     cnx->libGles2 = load_wrapper("/system/lib/libGLESv2.so");
     cnx->libGles1 = load_wrapper("/system/lib/libGLESv1_CM.so");
 #endif
+    LOG_ALWAYS_FATAL_IF(!cnx->libEgl,
+            "couldn't load system EGL wrapper libraries");
+
     LOG_ALWAYS_FATAL_IF(!cnx->libGles2 || !cnx->libGles1,
             "couldn't load system OpenGL ES wrapper libraries");
 
diff --git a/opengl/libs/EGL/eglApi.cpp b/opengl/libs/EGL/eglApi.cpp
index d96b54f3c..22990f3a2 100644
--- a/opengl/libs/EGL/eglApi.cpp
+++ b/opengl/libs/EGL/eglApi.cpp
@@ -877,11 +877,14 @@ EGLint eglGetError(void)
     return err;
 }
 
-static __eglMustCastToProperFunctionPointerType findBuiltinGLWrapper(
+static __eglMustCastToProperFunctionPointerType findBuiltinWrapper(
         const char* procname) {
     const egl_connection_t* cnx = &gEGLImpl;
     void* proc = NULL;
 
+    proc = dlsym(cnx->libEgl, procname);
+    if (proc) return (__eglMustCastToProperFunctionPointerType)proc;
+
     proc = dlsym(cnx->libGles2, procname);
     if (proc) return (__eglMustCastToProperFunctionPointerType)proc;
 
@@ -912,7 +915,7 @@ __eglMustCastToProperFunctionPointerType eglGetProcAddress(const char *procname)
     addr = findProcAddress(procname, sExtensionMap, NELEM(sExtensionMap));
     if (addr) return addr;
 
-    addr = findBuiltinGLWrapper(procname);
+    addr = findBuiltinWrapper(procname);
     if (addr) return addr;
 
     // this protects accesses to sGLExtentionMap and sGLExtentionSlot
diff --git a/opengl/libs/EGL/egldefs.h b/opengl/libs/EGL/egldefs.h
index b905ea079..985827655 100644
--- a/opengl/libs/EGL/egldefs.h
+++ b/opengl/libs/EGL/egldefs.h
@@ -44,6 +44,7 @@ struct egl_connection_t {
     EGLint              minor;
     egl_t               egl;
 
+    void*               libEgl;
     void*               libGles1;
     void*               libGles2;
 };