1 files changed, 49 insertions, 0 deletions
diff --git a/src/gpu/effect.cc b/src/gpu/effect.cc
index 528d7fc..42e623a 100644
--- a/src/gpu/effect.cc
+++ b/src/gpu/effect.cc
@@ -508,6 +508,55 @@ WGPUTextureView MainSequence::get_auxiliary_view(const char* name) {
   return it->second.view;
 }
 
+// Resize existing auxiliary texture
+void MainSequence::resize_auxiliary_texture(const char* name, int width,
+                                            int height) {
+  const std::string key(name);
+  auto it = auxiliary_textures_.find(key);
+  FATAL_CHECK(it == auxiliary_textures_.end(),
+              "Auxiliary texture not found for resize: %s\n", name);
+
+  // Release old resources
+  if (it->second.view)
+    wgpuTextureViewRelease(it->second.view);
+  if (it->second.texture)
+    wgpuTextureRelease(it->second.texture);
+
+  // Create new texture with new dimensions
+  const WGPUTextureDescriptor desc = {
+      .usage =
+          WGPUTextureUsage_RenderAttachment | WGPUTextureUsage_TextureBinding,
+      .dimension = WGPUTextureDimension_2D,
+      .size = {(uint32_t)width, (uint32_t)height, 1},
+      .format = gpu_ctx.format,
+      .mipLevelCount = 1,
+      .sampleCount = 1,
+  };
+
+  WGPUTexture texture = wgpuDeviceCreateTexture(gpu_ctx.device, &desc);
+  FATAL_CHECK(!texture, "Failed to resize auxiliary texture: %s\n", name);
+
+  // Create view
+  const WGPUTextureViewDescriptor view_desc = {
+      .format = gpu_ctx.format,
+      .dimension = WGPUTextureViewDimension_2D,
+      .mipLevelCount = 1,
+      .arrayLayerCount = 1,
+  };
+
+  WGPUTextureView view = wgpuTextureCreateView(texture, &view_desc);
+  FATAL_CHECK(!view, "Failed to create resized auxiliary texture view: %s\n",
+              name);
+
+  // Update registry
+  it->second = {texture, view, width, height};
+
+#if !defined(STRIP_ALL)
+  printf("[MainSequence] Resized auxiliary texture '%s' to %dx%d\n", name,
+         width, height);
+#endif /* !defined(STRIP_ALL) */
+}
+
 #if !defined(STRIP_ALL)
 void MainSequence::simulate_until(float target_time, float step_rate,
                                   float bpm) {