commit 5ba19814852de1762e452662a13c4944792014a9
Author: Leszek Koltunski <leszek@distoretedandroid.org>
Date:   Fri May 5 15:26:06 2017 +0100

    This commit (and reading the OpenGL ES 3.0 spec) pretty conclusively proves that, sadly, Nexus 4's Transform Feedback implementation is incomplete (doesn't work with GL_TRIANGLES primitiveMode)

diff --git a/src/main/res/raw/feedback_vertex_shader.glsl b/src/main/res/raw/feedback_vertex_shader.glsl
index c4c2eed..6a6d012 100644
--- a/src/main/res/raw/feedback_vertex_shader.glsl
+++ b/src/main/res/raw/feedback_vertex_shader.glsl
@@ -19,13 +19,8 @@
 
 precision lowp float;
 
-#if USEPOINTS == 1
-in float inValue;
-out float outValue;
-#else
 in vec3 inValue;
 out vec3 outValue;
-#endif
 
 //////////////////////////////////////////////////////////////////////////////////////////////