feat: add MoSR upscaler support (#2128)

src/upscaler.h

@@ -4,6 +4,7 @@
 #include "core/ggml_extend_backend.h"
 #include "core/tensor.hpp"
 #include "model/upscaler/esrgan.hpp"
+#include "model/upscaler/mosr.hpp"
 #include "model_manager.h"
 #include "stable-diffusion.h"
 
@@ -15,6 +16,7 @@ struct UpscalerGGML {
     std::shared_ptr<ModelManager> model_manager;
     ggml_type model_data_type = GGML_TYPE_F16;
     std::shared_ptr<ESRGAN> esrgan_upscaler;
+    std::shared_ptr<MoSR> mosr_upscaler;
     std::string esrgan_path;
     int n_threads;
     sd::ParallelExecutor tensor_executor;
@@ -34,6 +36,9 @@ struct UpscalerGGML {
     bool load_from_file(const std::string& esrgan_path,
                         int n_threads);
     void set_max_graph_vram_bytes(size_t max_vram_bytes);
+    GGMLRunner* runner();
+    int get_scale();
+    sd::Tensor<float> compute(const sd::Tensor<float>& input_tensor);
     sd::Tensor<float> upscale_tensor(const sd::Tensor<float>& input_tensor);
     sd_image_t upscale(sd_image_t input_image, uint32_t upscale_factor);
 };