DarthAffe/stable-diffusion.cpp
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add support for diffusers format lora

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leejet 2025-11-30 21:47:10 +08:00
parent c736364a28
commit 2fec01d2b3
1 changed files with 40 additions and 0 deletions
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name_conversion.cpp
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@ -615,6 +615,44 @@ std::string convert_diffusers_dit_to_original_flux(std::string name) {
return name;
}
std::string convert_diffusers_dit_to_original_lumina2(std::string name) {
int num_layers = 30;
int num_refiner_layers = 2;
static std::unordered_map<std::string, std::string> z_image_name_map;
if (z_image_name_map.empty()) {
z_image_name_map["all_x_embedder.2-1."] = "x_embedder.";
z_image_name_map["all_final_layer.2-1."] = "final_layer.";
// --- transformer blocks ---
auto add_attention_map = [&](const std::string& prefix, int num) {
for (int i = 0; i < num; ++i) {
std::string block_prefix = prefix + std::to_string(i) + ".";
std::string dst_prefix = prefix + std::to_string(i) + ".";
z_image_name_map[block_prefix + "attention.norm_q."] = dst_prefix + "attention.q_norm.";
z_image_name_map[block_prefix + "attention.norm_k."] = dst_prefix + "attention.k_norm.";
z_image_name_map[block_prefix + "attention.to_out.0."] = dst_prefix + "attention.out.";
z_image_name_map[block_prefix + "attention.to_q.weight"] = dst_prefix + "attention.qkv.weight";
z_image_name_map[block_prefix + "attention.to_q.bias"] = dst_prefix + "attention.qkv.bias";
z_image_name_map[block_prefix + "attention.to_k.weight"] = dst_prefix + "attention.qkv.weight.1";
z_image_name_map[block_prefix + "attention.to_k.bias"] = dst_prefix + "attention.qkv.bias.1";
z_image_name_map[block_prefix + "attention.to_v.weight"] = dst_prefix + "attention.qkv.weight.2";
z_image_name_map[block_prefix + "attention.to_v.bias"] = dst_prefix + "attention.qkv.bias.2";
}
};
add_attention_map("noise_refiner.", num_refiner_layers);
add_attention_map("context_refiner.", num_refiner_layers);
add_attention_map("layers.", num_layers);
}
replace_with_prefix_map(name, z_image_name_map);
return name;
}
std::string convert_diffusion_model_name(std::string name, std::string prefix, SDVersion version) {
if (sd_version_is_sd1(version) || sd_version_is_sd2(version)) {
name = convert_diffusers_unet_to_original_sd1(name);
@ -624,6 +662,8 @@ std::string convert_diffusion_model_name(std::string name, std::string prefix, S
name = convert_diffusers_dit_to_original_sd3(name);
} else if (sd_version_is_flux(version) || sd_version_is_flux2(version)) {
name = convert_diffusers_dit_to_original_flux(name);
} else if (sd_version_is_z_image(version)) {
name = convert_diffusers_dit_to_original_lumina2(name);
}
return name;
}