Adding ViroKit. Needs AWSCore :(

mobile/ios/ViroKit.framework/constant_fsh.glsl

@@ -0,0 +1,34 @@
+#version 300 es
+#include constant_functions_fsh
+#include particles_fsh
+
+uniform highp vec4 material_diffuse_surface_color;
+uniform highp float material_diffuse_intensity;
+uniform lowp float material_alpha;
+
+#pragma surface_modifier_uniforms
+#pragma fragment_modifier_uniforms
+
+flat in int v_instance_id;
+in lowp mat3 v_tbn;
+in highp vec2 v_texcoord;
+in highp vec3 v_surface_position;
+
+layout (location = 0) out highp vec4 frag_color;
+
+void main() {
+    _surface.diffuse_color = material_diffuse_surface_color;
+    _surface.diffuse_texcoord = v_texcoord;
+    _surface.diffuse_intensity = material_diffuse_intensity;
+    _surface.alpha = material_alpha;
+    _surface.normal = v_tbn[2];
+    _surface.position = v_surface_position;
+
+#pragma surface_modifier_body
+
+    highp vec4 _output_color = vec4(_surface.diffuse_color.xyz * _surface.diffuse_intensity, _surface.alpha * _surface.diffuse_color.a);
+    
+#pragma fragment_modifier_body
+    
+    frag_color = _output_color;
+}