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add chroma radiance support #910

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Merged
merged 9 commits into from
Oct 25, 2025
+630 −225
Merged

add chroma radiance support #910

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6a46206
add chroma radiance support
leejet Oct 22, 2025
c916a6b
fix ci
leejet Oct 22, 2025
2c8b907
Merge branch 'master' into chroma_radiance
leejet Oct 22, 2025
18a2804
simply generate_init_latent
leejet Oct 22, 2025
27272ef
workaround: avoid ggml cuda error
leejet Oct 23, 2025
458c365
format code
leejet Oct 23, 2025
0d9d5e0
Merge branch 'master' into chroma_radiance
leejet Oct 23, 2025
c052f03
Merge branch 'master' into chroma_radiance
leejet Oct 25, 2025
a64034e
add chroma radiance doc
leejet Oct 25, 2025
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570 changes: 459 additions & 111 deletions flux.hpp
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32 changes: 13 additions & 19 deletions model.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -1766,7 +1766,6 @@ bool ModelLoader::model_is_unet() {

SDVersion ModelLoader::get_sd_version() {
TensorStorage token_embedding_weight, input_block_weight;
bool input_block_checked = false;

bool has_multiple_encoders = false;
bool is_unet = false;
Expand All @@ -1778,12 +1777,12 @@ SDVersion ModelLoader::get_sd_version() {
bool has_img_emb = false;

for (auto& tensor_storage : tensor_storages) {
if (!(is_xl || is_flux)) {
if (!(is_xl)) {
if (tensor_storage.name.find("model.diffusion_model.double_blocks.") != std::string::npos) {
is_flux = true;
if (input_block_checked) {
break;
}
}
if (tensor_storage.name.find("model.diffusion_model.nerf_final_layer_conv.") != std::string::npos) {
return VERSION_CHROMA_RADIANCE;
}
if (tensor_storage.name.find("model.diffusion_model.joint_blocks.") != std::string::npos) {
return VERSION_SD3;
Expand All @@ -1800,22 +1799,19 @@ SDVersion ModelLoader::get_sd_version() {
if (tensor_storage.name.find("model.diffusion_model.img_emb") != std::string::npos) {
has_img_emb = true;
}
if (tensor_storage.name.find("model.diffusion_model.input_blocks.") != std::string::npos || tensor_storage.name.find("unet.down_blocks.") != std::string::npos) {
if (tensor_storage.name.find("model.diffusion_model.input_blocks.") != std::string::npos ||
tensor_storage.name.find("unet.down_blocks.") != std::string::npos) {
is_unet = true;
if (has_multiple_encoders) {
is_xl = true;
if (input_block_checked) {
break;
}
}
}
if (tensor_storage.name.find("conditioner.embedders.1") != std::string::npos || tensor_storage.name.find("cond_stage_model.1") != std::string::npos || tensor_storage.name.find("te.1") != std::string::npos) {
if (tensor_storage.name.find("conditioner.embedders.1") != std::string::npos ||
tensor_storage.name.find("cond_stage_model.1") != std::string::npos ||
tensor_storage.name.find("te.1") != std::string::npos) {
has_multiple_encoders = true;
if (is_unet) {
is_xl = true;
if (input_block_checked) {
break;
}
}
}
if (tensor_storage.name.find("model.diffusion_model.input_blocks.8.0.time_mixer.mix_factor") != std::string::npos) {
Expand All @@ -1831,12 +1827,10 @@ SDVersion ModelLoader::get_sd_version() {
token_embedding_weight = tensor_storage;
// break;
}
if (tensor_storage.name == "model.diffusion_model.input_blocks.0.0.weight" || tensor_storage.name == "model.diffusion_model.img_in.weight" || tensor_storage.name == "unet.conv_in.weight") {
input_block_weight = tensor_storage;
input_block_checked = true;
if (is_xl || is_flux) {
break;
}
if (tensor_storage.name == "model.diffusion_model.input_blocks.0.0.weight" ||
tensor_storage.name == "model.diffusion_model.img_in.weight" ||
tensor_storage.name == "unet.conv_in.weight") {
input_block_weight = tensor_storage;
}
}
if (is_wan) {
Expand Down
7 changes: 6 additions & 1 deletion model.h
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Original file line number Diff line number Diff line change
Expand Up @@ -34,6 +34,7 @@ enum SDVersion {
VERSION_FLUX_FILL,
VERSION_FLUX_CONTROLS,
VERSION_FLEX_2,
VERSION_CHROMA_RADIANCE,
VERSION_WAN2,
VERSION_WAN2_2_I2V,
VERSION_WAN2_2_TI2V,
Expand Down Expand Up @@ -70,7 +71,11 @@ static inline bool sd_version_is_sd3(SDVersion version) {
}

static inline bool sd_version_is_flux(SDVersion version) {
if (version == VERSION_FLUX || version == VERSION_FLUX_FILL || version == VERSION_FLUX_CONTROLS || version == VERSION_FLEX_2) {
if (version == VERSION_FLUX ||
version == VERSION_FLUX_FILL ||
version == VERSION_FLUX_CONTROLS ||
version == VERSION_FLEX_2 ||
version == VERSION_CHROMA_RADIANCE) {
return true;
}
return false;
Expand Down
2 changes: 1 addition & 1 deletion qwen_image.hpp
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Original file line number Diff line number Diff line change
Expand Up @@ -649,7 +649,7 @@ namespace Qwen {

static void load_from_file_and_test(const std::string& file_path) {
// cuda q8: pass
// cuda q8 fa: nan
// cuda q8 fa: pass
// ggml_backend_t backend = ggml_backend_cuda_init(0);
ggml_backend_t backend = ggml_backend_cpu_init();
ggml_type model_data_type = GGML_TYPE_Q8_0;
Expand Down
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