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-rw-r--r--src/gpu/effects/cnn_effect.cc3
1 files changed, 2 insertions, 1 deletions
diff --git a/src/gpu/effects/cnn_effect.cc b/src/gpu/effects/cnn_effect.cc
index d74187c..e12c26f 100644
--- a/src/gpu/effects/cnn_effect.cc
+++ b/src/gpu/effects/cnn_effect.cc
@@ -97,7 +97,8 @@ void CNNEffect::update_bind_group(WGPUTextureView input_view) {
wgpuBindGroupRelease(bind_group_);
WGPUBindGroupLayout bgl = wgpuRenderPipelineGetBindGroupLayout(pipeline_, 0);
- WGPUSampler sampler = SamplerCache::Get().get_or_create(ctx_.device, SamplerCache::linear());
+ // Use clamp (not repeat) to match PyTorch Conv2d zero-padding behavior
+ WGPUSampler sampler = SamplerCache::Get().get_or_create(ctx_.device, SamplerCache::clamp());
bind_group_ = BindGroupBuilder()
.sampler(0, sampler)