diff options
Diffstat (limited to 'training')
| -rwxr-xr-x | training/train_cnn.py | 23 |
1 files changed, 10 insertions, 13 deletions
diff --git a/training/train_cnn.py b/training/train_cnn.py index 8c7b2b3..2250e9c 100755 --- a/training/train_cnn.py +++ b/training/train_cnn.py @@ -167,8 +167,10 @@ def generate_layer_shader(output_path, num_layers, kernel_sizes): f.write("}\n\n") f.write("@fragment fn fs_main(@builtin(position) p: vec4<f32>) -> @location(0) vec4<f32> {\n") f.write(" let uv = p.xy / uniforms.resolution;\n") - f.write(" let input = textureSample(txt, smplr, uv);\n") - f.write(" let original = textureSample(original_input, smplr, uv);\n") + f.write(" let input_raw = textureSample(txt, smplr, uv);\n") + f.write(" let input = (input_raw - 0.5) * 2.0; // Normalize to [-1,1]\n") + f.write(" let original_raw = textureSample(original_input, smplr, uv);\n") + f.write(" let original = (original_raw - 0.5) * 2.0; // Normalize to [-1,1]\n") f.write(" var result = vec4<f32>(0.0);\n\n") # Generate layer switches @@ -182,25 +184,19 @@ def generate_layer_shader(output_path, num_layers, kernel_sizes): f.write(f" if (params.layer_index == {layer_idx}) {{\n") f.write(f" result = {conv_fn}(txt, smplr, uv, uniforms.resolution,\n") f.write(f" original, weights_layer{layer_idx});\n") - f.write(f" result = cnn_tanh(result); // Output in [-1,1]\n") - f.write(f" // Denormalize to [0,1] for texture storage\n") - f.write(f" result = (result + 1.0) * 0.5;\n") + f.write(f" result = cnn_tanh(result); // Keep in [-1,1]\n") f.write(f" }}\n") elif not is_final: f.write(f" else if (params.layer_index == {layer_idx}) {{\n") f.write(f" result = {conv_fn}(txt, smplr, uv, uniforms.resolution,\n") f.write(f" original, weights_layer{layer_idx});\n") - f.write(f" result = cnn_tanh(result); // Output in [-1,1]\n") - f.write(f" // Denormalize to [0,1] for texture storage\n") - f.write(f" result = (result + 1.0) * 0.5;\n") + f.write(f" result = cnn_tanh(result); // Keep in [-1,1]\n") f.write(f" }}\n") else: f.write(f" else if (params.layer_index == {layer_idx}) {{\n") f.write(f" let gray_out = {conv_fn}(txt, smplr, uv, uniforms.resolution,\n") f.write(f" original, weights_layer{layer_idx});\n") - f.write(f" // Denormalize from [-1,1] to [0,1]\n") - f.write(f" let gray_01 = (gray_out + 1.0) * 0.5;\n") - f.write(f" result = vec4<f32>(gray_01, gray_01, gray_01, 1.0); // Expand to RGB\n") + f.write(f" result = vec4<f32>(gray_out, gray_out, gray_out, 1.0); // Keep in [-1,1]\n") f.write(f" }}\n") # Add else clause for invalid layer index @@ -209,8 +205,9 @@ def generate_layer_shader(output_path, num_layers, kernel_sizes): f.write(f" result = input;\n") f.write(f" }}\n") - f.write("\n // Blend with ORIGINAL input from layer 0\n") - f.write(" return mix(original, result, params.blend_amount);\n") + f.write("\n // Blend with ORIGINAL input from layer 0 and denormalize for display\n") + f.write(" let blended = mix(original, result, params.blend_amount);\n") + f.write(" return (blended + 1.0) * 0.5; // Denormalize to [0,1] for display\n") f.write("}\n") |