DarthAffe/stable-diffusion.cpp
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feat: support HyperFlow H3 Flash (#2299)

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Co-authored-by: Video Rebirth <opensource@videorebirth.com>
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leejetandVideo Rebirth authored and GitHub committed 2026-11-09 00:43:02 +08:00
1 parent 3d315c47d4
commit 80c4707c53
9 files changed
+370 -49
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src/pipeline/diffusion_engine.cpp
+4 -2
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@@ -2593,14 +2593,16 @@ sd::Tensor<float> StableDiffusionGGML::sample(const std::shared_ptr<DiffusionMod
diffusion_params.extra = LLaDAImageDiffusionExtra{
condition.extra_c_crossattns.empty() ? nullptr : &condition.extra_c_crossattns[0]};
} else if (sd_version_is_minimax_h3(version)) {
diffusion_params.extra = MiniMaxH3DiffusionExtra{
const size_t target_index = static_cast<size_t>(std::abs(step));
diffusion_params.extra = MiniMaxH3DiffusionExtra{
condition.c_token_types.empty() ? nullptr : &condition.c_token_types,
condition.c_position_ids.empty() ? nullptr : &condition.c_position_ids,
condition.c_ref_audios.empty() ? nullptr : &condition.c_ref_audios,
condition.c_reference_blocks.empty() ? nullptr : &condition.c_reference_blocks,
version == VERSION_P_H3_IMAGE ? 2 : audio_length,
std::isfinite(active_flow_shift) ? active_flow_shift : 12.f,
version == VERSION_P_H3_IMAGE ? 1.f : 3.f};
version == VERSION_P_H3_IMAGE ? 1.f : 3.f,
target_index > 0 && target_index < sigmas.size() ? sigmas[target_index] : NAN};
} else if (sd_version_is_ltxav(version)) {
diffusion_params.extra = LTXAVDiffusionExtra{
nullptr,