1 files changed, 7 insertions, 6 deletions
diff --git a/src/gpu/effects/post_process_helper.h b/src/gpu/effects/post_process_helper.h
index 23cde0e..1c649e7 100644
--- a/src/gpu/effects/post_process_helper.h
+++ b/src/gpu/effects/post_process_helper.h
@@ -8,12 +8,13 @@
 
 // Uniform data common to all post-processing effects
 struct CommonPostProcessUniforms {
-  vec2 resolution;
-  float _pad[2]; // Padding for 16-byte alignment
-  float aspect_ratio;
-  float time;
-  float beat;
-  float audio_intensity;
+  vec2 resolution;      // Screen dimensions
+  float aspect_ratio;   // Width/height ratio
+  float time;           // Physical time in seconds (unaffected by tempo)
+  float beat_time;      // Musical time in beats (absolute, tempo-scaled)
+  float beat_phase;     // Fractional beat (0.0-1.0 within current beat)
+  float audio_intensity;// Audio peak for beat sync
+  float _pad;           // Padding for 16-byte alignment
 };
 static_assert(sizeof(CommonPostProcessUniforms) == 32,
               "CommonPostProcessUniforms must be 32 bytes for WGSL alignment");