model: LFM2-VL fixes (#17577)

* Adjust to pytorch

* Add antialiasing upscale

* Increase number of patches to 1024

* Handle default marker insertion for LFM2

* Switch to flag

* Reformat

* Cuda implementation of antialias kernel

* Change placement in ops.cpp

* consistent float literals

* Pad only for LFM2

* Address PR feedback

* Rollback default marker placement changes

* Fallback to CPU implementation for antialias implementation of upscale

ggml/src/ggml-vulkan/ggml-vulkan.cpp

@@ -14113,6 +14113,7 @@ static bool ggml_backend_vk_device_supports_op(ggml_backend_dev_t dev, const ggm
             }
             return true;
         case GGML_OP_UPSCALE:
+            return op->src[0]->type == GGML_TYPE_F32 && !(op->op_params[0] & GGML_SCALE_FLAG_ANTIALIAS);
         case GGML_OP_ACC:
             return op->src[0]->type == GGML_TYPE_F32;
         case GGML_OP_CONCAT: