From d774184e9d5ed58194b49a2650bd5e3c6e534a46 Mon Sep 17 00:00:00 2001
From: Concedo <39025047+LostRuins@users.noreply.github.com>
Date: Sun, 24 May 2026 16:37:49 +0800
Subject: [PATCH] hacky patch for hidream on kobold to fix tensor type issues

---
 otherarch/sdcpp/stable-diffusion.cpp | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/otherarch/sdcpp/stable-diffusion.cpp b/otherarch/sdcpp/stable-diffusion.cpp
index b7723f876..fe4bcfff4 100644
--- a/otherarch/sdcpp/stable-diffusion.cpp
+++ b/otherarch/sdcpp/stable-diffusion.cpp
@@ -568,6 +568,11 @@ public:
                                             ? (ggml_type)sd_ctx_params->wtype
                                             : GGML_TYPE_COUNT;
         std::string tensor_type_rules = SAFE_STR(sd_ctx_params->tensor_type_rules);
+        //kcpp: patch hidream to fix broken images on vulkan https://github.com/leejet/stable-diffusion.cpp/issues/1496
+        if(version == VERSION_HIDREAM_O1 && tensor_type_rules.size()==0)
+        {
+            tensor_type_rules = "^model.language_model.layers.[0-9]+.mlp.down_proj.weight=bf16";
+        }
         if (wtype != GGML_TYPE_COUNT || tensor_type_rules.size() > 0) {
             model_loader.set_wtype_override(wtype, tensor_type_rules);
         }