From: Yaron Cohen-Tal <yaronct@gmail.com>
Date: Mon, 21 Sep 2015 19:58:03 +0300
Subject: [PATCH] Fix "epoxy_egl_get_current_gl_context_api" to use
 "eglQueryContext" with "EGL_CONTEXT_CLIENT_TYPE" as "attribute".

---
 src/dispatch_common.c | 32 +++++++-------------------------
 1 file changed, 7 insertions(+), 25 deletions(-)

--- a/src/dispatch_common.c
+++ b/src/dispatch_common.c
@@ -569,31 +569,13 @@
 static EGLenum
 epoxy_egl_get_current_gl_context_api(void)
 {
-    EGLenum save_api = eglQueryAPI();
-    EGLContext ctx;
-
-    if (eglBindAPI(EGL_OPENGL_API)) {
-        ctx = eglGetCurrentContext();
-        if (ctx) {
-            eglBindAPI(save_api);
-            return EGL_OPENGL_API;
-        }
-    } else {
-        (void)eglGetError();
-    }
-
-    if (eglBindAPI(EGL_OPENGL_ES_API)) {
-        ctx = eglGetCurrentContext();
-        eglBindAPI(save_api);
-        if (ctx) {
-            eglBindAPI(save_api);
-            return EGL_OPENGL_ES_API;
-        }
-    } else {
-        (void)eglGetError();
-    }
-
-    return EGL_NONE;
+    EGLDisplay eglDisplay = eglGetCurrentDisplay();
+    EGLContext eglContext = eglGetCurrentContext();
+    EGLint eglContextClientType = EGL_NONE;
+    return      eglQueryContext(eglDisplay, eglContext, EGL_CONTEXT_CLIENT_TYPE,
+                                &eglContextClientType) == EGL_TRUE
+           ?    (EGLenum)eglContextClientType
+           :    EGL_NONE;
 }
 #endif /* PLATFORM_HAS_EGL */