DarthAffe/stable-diffusion.cpp
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feat: add Mage-Flow support (#1808)

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leejet authored and GitHub committed 2026-07-23 01:23:25 +08:00
1 parent 35fb21f3e0
commit 8a51eb9284
18 files changed
+861 -26
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src/model/common/rope.hpp
+37
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@@ -654,6 +654,43 @@ namespace Rope {
return embed_nd(ids, bs, static_cast<float>(theta), axes_dim, wrap_dims);
}
__STATIC_INLINE__ std::vector<float> gen_mage_flow_pe(int h,
int w,
int bs,
int context_len,
const std::vector<ggml_tensor*>& ref_latents,
int theta,
const std::vector<int>& axes_dim) {
const int axes_dim_num = static_cast<int>(axes_dim.size());
auto make_image_ids = [=](int image_h, int image_w, int image_index) {
std::vector<std::vector<float>> image_ids(static_cast<size_t>(bs) * image_h * image_w,
std::vector<float>(axes_dim_num, 0.f));
int h_start = -(image_h - image_h / 2);
int w_start = -(image_w - image_w / 2);
for (int b = 0; b < bs; ++b) {
for (int y = 0; y < image_h; ++y) {
for (int x = 0; x < image_w; ++x) {
auto& id = image_ids[static_cast<size_t>(b) * image_h * image_w + y * image_w + x];
id[0] = static_cast<float>(image_index);
id[1] = static_cast<float>(h_start + y);
id[2] = static_cast<float>(w_start + x);
}
}
}
return image_ids;
};
auto ids = gen_flux_txt_ids(bs, context_len, axes_dim_num, {});
auto img_ids = make_image_ids(h, w, 0);
ids = concat_ids(ids, img_ids, bs);
for (size_t i = 0; i < ref_latents.size(); ++i) {
auto ref_ids = make_image_ids(static_cast<int>(ref_latents[i]->ne[1]),
static_cast<int>(ref_latents[i]->ne[0]),
static_cast<int>(i + 1));
ids = concat_ids(ids, ref_ids, bs);
}
return embed_nd(ids, bs, static_cast<float>(theta), axes_dim);
}
__STATIC_INLINE__ std::vector<std::vector<float>> gen_lens_ids(int h,
int w,
int bs,