1 files changed, 11 insertions, 11 deletions

diff --git a/src/gpu/effect.cc b/src/gpu/effect.cc
index 58e011c..3ee2acd 100644
--- a/src/gpu/effect.cc
+++ b/src/gpu/effect.cc
@@ -226,7 +226,8 @@ void MainSequence::resize(int width, int height) {
   }
 }
 
-void MainSequence::render_frame(float global_time, float beat, float peak,
+void MainSequence::render_frame(float global_time, float beat_time,
+                                float beat_phase, float peak,
                                 float aspect_ratio, WGPUSurface surface) {
   WGPUCommandEncoder encoder =
       wgpuDeviceCreateCommandEncoder(gpu_ctx.device, nullptr);
@@ -260,11 +261,12 @@ void MainSequence::render_frame(float global_time, float beat, float peak,
   // Construct common uniforms once (reused for all effects)
   CommonPostProcessUniforms base_uniforms = {
       .resolution = {static_cast<float>(width_), static_cast<float>(height_)},
-      ._pad = {0.0f, 0.0f},
       .aspect_ratio = aspect_ratio,
       .time = 0.0f, // Will be set per-effect
-      .beat = beat,
+      .beat_time = beat_time,
+      .beat_phase = beat_phase,
       .audio_intensity = peak,
+      ._pad = 0.0f,
   };
 
   for (const SequenceItem* item : scene_effects) {
@@ -455,13 +457,9 @@ void MainSequence::register_auxiliary_texture(const char* name, int width,
                                               int height) {
   const std::string key(name);
 
-  // Check if already exists
+  // Check if already exists (silent, idempotent registration is valid)
   auto it = auxiliary_textures_.find(key);
   if (it != auxiliary_textures_.end()) {
-#if !defined(STRIP_ALL)
-    fprintf(stderr, "Warning: Auxiliary texture '%s' already registered\n",
-            name);
-#endif /* !defined(STRIP_ALL) */
     return;
   }
 
@@ -564,7 +562,8 @@ void MainSequence::simulate_until(float target_time, float step_rate,
   for (float t = 0.0f; t < target_time; t += step_rate) {
     WGPUCommandEncoder encoder =
         wgpuDeviceCreateCommandEncoder(gpu_ctx.device, nullptr);
-    float beat = fmodf(t * bpm / 60.0f, 1.0f);
+    float absolute_beat_time = t * bpm / 60.0f;
+    float beat_phase = fmodf(absolute_beat_time, 1.0f);
     std::vector<SequenceItem*> scene_effects, post_effects;
     for (ActiveSequence& entry : sequences_) {
       if (t >= entry.start_time) {
@@ -575,11 +574,12 @@ void MainSequence::simulate_until(float target_time, float step_rate,
     for (const SequenceItem* item : scene_effects) {
       CommonPostProcessUniforms test_uniforms = {
           .resolution = {static_cast<float>(width_), static_cast<float>(height_)},
-          ._pad = {0.0f, 0.0f},
           .aspect_ratio = aspect_ratio,
           .time = t - item->start_time,
-          .beat = beat,
+          .beat_time = absolute_beat_time,
+          .beat_phase = beat_phase,
           .audio_intensity = 0.0f,
+          ._pad = 0.0f,
       };
       item->effect->compute(encoder, test_uniforms);
     }