scratch WIP

just committing what I have
diff --git a/piet-gpu/bin/android.rs b/piet-gpu/bin/android.rs
index 942b372..9004270 100644
--- a/piet-gpu/bin/android.rs
+++ b/piet-gpu/bin/android.rs
@@ -148,8 +148,8 @@
                 println!("render time: {:?}", ts);
 
                 let mut ctx = PietGpuRenderContext::new();
-                //test_scenes::render_anim_frame(&mut ctx, self.current_frame);
-                test_scenes::render_tiger(&mut ctx);
+                test_scenes::render_anim_frame(&mut ctx, self.current_frame);
+                //test_scenes::render_tiger(&mut ctx);
                 render_info_string(&mut ctx, &format!("{:.1}ms", ts.last().unwrap() * 1e3));
                 if let Err(e) = self.renderer.upload_render_ctx(&mut ctx) {
                     println!("error in uploading: {}", e);
diff --git a/piet-gpu/shader/kernel4.comp b/piet-gpu/shader/kernel4.comp
index c530b13..76b14dc 100644
--- a/piet-gpu/shader/kernel4.comp
+++ b/piet-gpu/shader/kernel4.comp
@@ -15,7 +15,7 @@
 #include "mem.h"
 #include "setup.h"
 
-#define CHUNK_X 1
+#define CHUNK_X 2
 #define CHUNK_Y 1
 #define CHUNK CHUNK_X * CHUNK_Y
 #define CHUNK_DX (TILE_WIDTH_PX / CHUNK_X)
diff --git a/piet-gpu/shader/kernel4.spv b/piet-gpu/shader/kernel4.spv
index da795bd..6ee3f09 100644
--- a/piet-gpu/shader/kernel4.spv
+++ b/piet-gpu/shader/kernel4.spv
Binary files differ