X-Git-Url: http://nitlanguage.org

diff --git a/lib/gamnit/display_android.nit b/lib/gamnit/display_android.nit
index 6b069d3..d198790 100644
--- a/lib/gamnit/display_android.nit
+++ b/lib/gamnit/display_android.nit
@@ -14,11 +14,13 @@
 
 # Gamnit display implementation for Android
 #
-# Generated APK files require OpenGL ES 2.0.
+# Gamnit apps on Android require OpenGL ES 3.0 because, even if it uses only
+# the OpenGL ES 2.0 API, the default shaders have more than 8 vertex attributes.
+# OpenGL ES 3.0 ensures at least 8 vertex attributes, while 2.0 ensures only 4.
 #
-# This modules uses `android::native_app_glue` and the Android NDK.
+# This module relies on `android::native_app_glue` and the Android NDK.
 module display_android is
-	android_manifest """<uses-feature android:glEsVersion="0x00020000"/>"""
+	android_manifest """<uses-feature android:glEsVersion="0x00030000" android:required="true" />"""
 end
 
 import ::android::game
@@ -37,9 +39,10 @@ redef class GamnitDisplay
 		setup_egl_display native_display
 
 		# We need 8 bits per color for selection by color
-		select_egl_config(red_bits, green_bits, blue_bits, 0, 8, 0, 0)
+		select_egl_config(red_bits, green_bits, blue_bits, 0, 8, 0)
 
 		var format = egl_config.attribs(egl_display).native_visual_id
+		assert not native_window.address_is_null
 		native_window.set_buffers_geometry(0, 0, format)
 
 		setup_egl_context native_window