From: Alexis Laferrière <alexis.laf@xymus.net>
Date: Wed, 16 Aug 2017 02:29:22 +0000 (-0400)
Subject: gamnit: print current config and list extensions
X-Git-Url: http://nitlanguage.org

gamnit: print current config and list extensions

Signed-off-by: Alexis Laferrière <alexis.laf@xymus.net>
---

diff --git a/lib/gamnit/display.nit b/lib/gamnit/display.nit
index 2b694c6..868b359 100644
--- a/lib/gamnit/display.nit
+++ b/lib/gamnit/display.nit
@@ -72,4 +72,7 @@ class GamnitDisplay
 	#
 	# The implementation varies per platform.
 	fun feed_events do end
+
+	# Extensions to OpenGL ES 2.0 supported by the current configuration
+	var gl_extensions: Array[String] is lazy do return glGetString(gl_EXTENSIONS).split(' ')
 end
diff --git a/lib/gamnit/gamnit.nit b/lib/gamnit/gamnit.nit
index fccf2ae..bd26cbd 100644
--- a/lib/gamnit/gamnit.nit
+++ b/lib/gamnit/gamnit.nit
@@ -36,6 +36,13 @@ redef class App
 		var display = new GamnitDisplay
 		display.setup
 		self.display = display
+
+		# Print the current GL configuration, for debugging
+		print "GL vendor: {glGetString(gl_VENDOR)}"
+		print "GL renderer: {glGetString(gl_RENDERER)}"
+		print "GL version: {glGetString(gl_VERSION)}"
+		print "GLSL version: {glGetString(gl_SHADING_LANGUAGE_VERSION)}"
+		print "GL extensions: {glGetString(gl_EXTENSIONS)}"
 	end
 
 	# Core of the frame logic, executed only when the display is visible