alphard/stable-diffusion.cpp
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fix: force binary mask for inpaint models (#589)

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Co-authored-by: leejet <leejet714@gmail.com>
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stduhpf 2025-02-22 14:29:57 +01:00 committed by GitHub
parent 838beb9b5e
commit 69c73789fe
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1 changed files with 3 additions and 1 deletions
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ggml_extend.hpp
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@ -383,8 +383,10 @@ __STATIC_INLINE__ void sd_apply_mask(struct ggml_tensor* image_data,
for (int ix = 0; ix < width; ix++) {
for (int iy = 0; iy < height; iy++) {
float m = ggml_tensor_get_f32(mask, ix, iy);
m = round(m); // inpaint models need binary masks
ggml_tensor_set_f32(mask, m, ix, iy);
for (int k = 0; k < channels; k++) {
float value = ((float)(m < 254.5 / 255)) * (ggml_tensor_get_f32(image_data, ix, iy, k) - .5) + .5;
float value = (1 - m) * (ggml_tensor_get_f32(image_data, ix, iy, k) - .5) + .5;
ggml_tensor_set_f32(output, value, ix, iy, k);
}
}