diff options
Diffstat (limited to 'cnn_v3/src/gbuffer_effect.cc')
| -rw-r--r-- | cnn_v3/src/gbuffer_effect.cc | 10 |
1 files changed, 9 insertions, 1 deletions
diff --git a/cnn_v3/src/gbuffer_effect.cc b/cnn_v3/src/gbuffer_effect.cc index 512843c..1bfd685 100644 --- a/cnn_v3/src/gbuffer_effect.cc +++ b/cnn_v3/src/gbuffer_effect.cc @@ -773,10 +773,18 @@ void GBufferEffect::update_raster_bind_group(NodeRegistry& nodes) { wgpuBindGroupLayoutRelease(bgl); } +void GBufferEffect::wire_dag(const std::vector<EffectDAGNode>& dag) { + const std::string out = find_downstream_output(dag); + // "sink" is an external view (no owned texture) — not a valid copy source. + if (out != "sink") cnn_output_node_ = out; +} + void GBufferEffect::post_render(WGPUCommandEncoder encoder, NodeRegistry& nodes) { if (cnn_output_node_.empty() || !nodes.has_node(cnn_output_node_)) return; + WGPUTexture src_tex = nodes.get_texture(cnn_output_node_); + if (!src_tex) return; // external view (e.g. sink) — no owned texture to copy WGPUTexelCopyTextureInfo src = {}; - src.texture = nodes.get_texture(cnn_output_node_); + src.texture = src_tex; src.mipLevel = 0; WGPUTexelCopyTextureInfo dst = {}; dst.texture = nodes.get_texture(node_prev_tex_); |