From 13071868da0c01decfa4a4d96faf48a362d72cf7 Mon Sep 17 00:00:00 2001
From: PabloMK7 <hackyglitch2@gmail.com>
Date: Thu, 22 Jan 2026 15:43:32 +0100
Subject: [PATCH] video_core: Make all state dirty after loading a savestate

---
 src/video_core/pica/dirty_regs.h   |  4 ++++
 src/video_core/pica/pica_core.cpp  |  1 +
 src/video_core/pica/pica_core.h    | 12 ++++++++++++
 src/video_core/pica/shader_setup.h |  3 +++
 4 files changed, 20 insertions(+)

diff --git a/src/video_core/pica/dirty_regs.h b/src/video_core/pica/dirty_regs.h
index cf0410e92..3cdb31b9b 100644
--- a/src/video_core/pica/dirty_regs.h
+++ b/src/video_core/pica/dirty_regs.h
@@ -16,6 +16,10 @@ union DirtyRegs {
         qwords[reg_id >> 6] |= 1ULL << (reg_id & 0x3f);
     }
 
+    void SetAllDirty() {
+        qwords.fill(UINT64_MAX);
+    }
+
     void Reset() {
         qwords.fill(0ULL);
     }
diff --git a/src/video_core/pica/pica_core.cpp b/src/video_core/pica/pica_core.cpp
index a5768365d..9f19e9572 100644
--- a/src/video_core/pica/pica_core.cpp
+++ b/src/video_core/pica/pica_core.cpp
@@ -35,6 +35,7 @@ PicaCore::PicaCore(Memory::MemorySystem& memory_, std::shared_ptr<DebugContext>
       geometry_pipeline{regs.internal, gs_unit, gs_setup},
       shader_engine{CreateEngine(Settings::values.use_shader_jit.GetValue())} {
     InitializeRegs();
+    dirty_regs.SetAllDirty();
 
     const auto submit_vertex = [this](const AttributeBuffer& buffer) {
         const auto add_triangle = [this](const OutputVertex& v0, const OutputVertex& v1,
diff --git a/src/video_core/pica/pica_core.h b/src/video_core/pica/pica_core.h
index 8cdcb493d..61d8e75c2 100644
--- a/src/video_core/pica/pica_core.h
+++ b/src/video_core/pica/pica_core.h
@@ -185,6 +185,9 @@ public:
         template <class Archive>
         void serialize(Archive& ar, const u32 file_version) {
             ar& boost::serialization::make_binary_object(this, sizeof(ProcTex));
+            if (Archive::is_loading::value) {
+                table_dirty = TableAllDirty;
+            }
         }
     };
 
@@ -225,6 +228,9 @@ public:
         template <class Archive>
         void serialize(Archive& ar, const u32 file_version) {
             ar& boost::serialization::make_binary_object(this, sizeof(Lighting));
+            if (Archive::is_loading::value) {
+                lut_dirty = LutAllDirty;
+            }
         }
     };
 
@@ -253,6 +259,9 @@ public:
         template <class Archive>
         void serialize(Archive& ar, const u32 file_version) {
             ar& boost::serialization::make_binary_object(this, sizeof(Fog));
+            if (Archive::is_loading::value) {
+                lut_dirty = true;
+            }
         }
     };
 
@@ -285,6 +294,9 @@ private:
         ar & geometry_pipeline;
         ar & primitive_assembler;
         ar & cmd_list;
+        if (Archive::is_loading::value) {
+            dirty_regs.SetAllDirty();
+        }
     }
 
 public:
diff --git a/src/video_core/pica/shader_setup.h b/src/video_core/pica/shader_setup.h
index 8845e0cb9..3ddd4f366 100644
--- a/src/video_core/pica/shader_setup.h
+++ b/src/video_core/pica/shader_setup.h
@@ -168,6 +168,9 @@ private:
         ar & swizzle_data_hash;
         ar & requires_fixup;
         ar & has_fixup;
+        if (Archive::is_loading::value) {
+            uniforms_dirty = true;
+        }
     }
 };