1 files changed, 51 insertions, 1 deletions
diff --git a/src/effects/hybrid3_d_effect_v2.cc b/src/effects/hybrid3_d_effect_v2.cc
index 5b44133..38e4e66 100644
--- a/src/effects/hybrid3_d_effect_v2.cc
+++ b/src/effects/hybrid3_d_effect_v2.cc
@@ -8,9 +8,51 @@
 Hybrid3DEffectV2::Hybrid3DEffectV2(const GpuContext& ctx,
                                    const std::vector<std::string>& inputs,
                                    const std::vector<std::string>& outputs)
-    : EffectV2(ctx, inputs, outputs), depth_node_(outputs[0] + "_depth") {
+    : EffectV2(ctx, inputs, outputs), depth_node_(outputs[0] + "_depth"),
+      dummy_texture_(nullptr), dummy_texture_view_(nullptr) {
   // Initialize renderer (format is always RGBA8Unorm for v2)
   renderer_.init(ctx_.device, ctx_.queue, WGPUTextureFormat_RGBA8Unorm);
+
+  // Create 1×1 white dummy texture for noise/sky (Renderer3D requires these)
+  WGPUTextureDescriptor tex_desc = {};
+  tex_desc.size = {1, 1, 1};
+  tex_desc.format = WGPUTextureFormat_RGBA8Unorm;
+  tex_desc.usage = WGPUTextureUsage_TextureBinding | WGPUTextureUsage_CopyDst;
+  tex_desc.dimension = WGPUTextureDimension_2D;
+  tex_desc.mipLevelCount = 1;
+  tex_desc.sampleCount = 1;
+  dummy_texture_ = wgpuDeviceCreateTexture(ctx_.device, &tex_desc);
+  dummy_texture_view_ = wgpuTextureCreateView(dummy_texture_, nullptr);
+
+  // Write white pixel
+  uint32_t white_pixel = 0xFFFFFFFF;
+#if defined(DEMO_CROSS_COMPILE_WIN32)
+  WGPUImageCopyTexture dst = {
+    .texture = dummy_texture_,
+    .mipLevel = 0,
+    .origin = {0, 0, 0}
+  };
+  WGPUTextureDataLayout data_layout = {
+    .bytesPerRow = 4,
+    .rowsPerImage = 1
+  };
+#else
+  WGPUTexelCopyTextureInfo dst = {
+    .texture = dummy_texture_,
+    .mipLevel = 0,
+    .origin = {0, 0, 0}
+  };
+  WGPUTexelCopyBufferLayout data_layout = {
+    .bytesPerRow = 4,
+    .rowsPerImage = 1
+  };
+#endif
+  WGPUExtent3D size = {1, 1, 1};
+  wgpuQueueWriteTexture(ctx_.queue, &dst, &white_pixel, 4, &data_layout, &size);
+
+  renderer_.set_noise_texture(dummy_texture_view_);
+  renderer_.set_sky_texture(dummy_texture_view_);
+
   initialized_ = true;
 
   // Setup simple scene (1 center cube + 8 surrounding objects)
@@ -40,6 +82,14 @@ Hybrid3DEffectV2::Hybrid3DEffectV2(const GpuContext& ctx,
   }
 }
 
+Hybrid3DEffectV2::~Hybrid3DEffectV2() {
+  if (dummy_texture_view_)
+    wgpuTextureViewRelease(dummy_texture_view_);
+  if (dummy_texture_)
+    wgpuTextureRelease(dummy_texture_);
+  renderer_.shutdown();
+}
+
 void Hybrid3DEffectV2::declare_nodes(NodeRegistry& registry) {
   // Declare depth buffer node
   registry.declare_node(depth_node_, NodeType::DEPTH24, -1, -1);