1 files changed, 29 insertions, 0 deletions
diff --git a/src/gpu/effects/circle_mask_effect.cc b/src/gpu/effects/circle_mask_effect.cc
index d2645d6..aa9f324 100644
--- a/src/gpu/effects/circle_mask_effect.cc
+++ b/src/gpu/effects/circle_mask_effect.cc
@@ -157,6 +157,35 @@ void CircleMaskEffect::init(MainSequence* demo) {
   render_bind_group_ = wgpuDeviceCreateBindGroup(ctx_.device, &render_bg_desc);
 }
 
+void CircleMaskEffect::resize(int width, int height) {
+  Effect::resize(width, height);
+
+  if (!demo_)
+    return;
+
+  // Resize auxiliary texture
+  demo_->resize_auxiliary_texture("circle_mask", width, height);
+
+  // Recreate render bind group with new texture view
+  if (render_bind_group_)
+    wgpuBindGroupRelease(render_bind_group_);
+
+  WGPUTextureView mask_view = demo_->get_auxiliary_view("circle_mask");
+  const WGPUBindGroupEntry render_entries[] = {
+      {.binding = 0, .textureView = mask_view},
+      {.binding = 1, .sampler = mask_sampler_},
+      {.binding = 2,
+       .buffer = uniforms_.get().buffer,
+       .size = sizeof(CommonPostProcessUniforms)},
+  };
+  const WGPUBindGroupDescriptor render_bg_desc = {
+      .layout = wgpuRenderPipelineGetBindGroupLayout(render_pipeline_, 0),
+      .entryCount = 3,
+      .entries = render_entries,
+  };
+  render_bind_group_ = wgpuDeviceCreateBindGroup(ctx_.device, &render_bg_desc);
+}
+
 void CircleMaskEffect::compute(WGPUCommandEncoder encoder,
                                const CommonPostProcessUniforms& uniforms) {
   uniforms_.update(ctx_.queue, uniforms);