From: Ralf Jung <post@ralfj.de>
Date: Sun, 5 May 2013 09:39:16 +0000 (+0200)
Subject: More detailed error messages when failing to choose EGL configurations
X-Git-Url: https://git.ralfj.de/gltest.git/commitdiff_plain/06ad8dcac2fac86d1f6715a51b50356a68ffe362

More detailed error messages when failing to choose EGL configurations
---

diff --git a/eglbackend.cpp b/eglbackend.cpp
index e2f9787..c5d5bcb 100644
--- a/eglbackend.cpp
+++ b/eglbackend.cpp
@@ -91,8 +91,13 @@ VisualID EGLBackend::initialize(Display *xDisplay)
 		// get an appropriate config
 		EGLConfig configs[1];
 		EGLint count;
-		if (eglChooseConfig(display, config_attribs, configs, 1, &count) == EGL_FALSE || count == 0)
+		if (eglChooseConfig(display, config_attribs, configs, 1, &count) == EGL_FALSE){
 			exitEglError("Failed to choose config");
+		}
+		if (count == 0) {
+			fprintf(stderr, "Found no matching EGL configuration\n");
+			exit(1);
+		}
 		config = configs[0];
 	}
 	// return visual ID