2 files changed, 11 insertions, 0 deletions

diff --git a/src/video_core/engines/maxwell_3d.cpp b/src/video_core/engines/maxwell_3d.cpp
index b19b3a75a..0ed7bc5d8 100644
--- a/src/video_core/engines/maxwell_3d.cpp
+++ b/src/video_core/engines/maxwell_3d.cpp
@@ -135,6 +135,14 @@ void Maxwell3D::CallMethod(const GPU::MethodCall& method_call) {
 
     if (regs.reg_array[method_call.method] != method_call.argument) {
         regs.reg_array[method_call.method] = method_call.argument;
+        // Shader
+        constexpr u32 shader_registers_count =
+            sizeof(regs.shader_config[0]) * Regs::MaxShaderProgram / sizeof(u32);
+        if (method_call.method >= MAXWELL3D_REG_INDEX(shader_config[0]) &&
+            method_call.method < MAXWELL3D_REG_INDEX(shader_config[0]) + shader_registers_count) {
+            dirty_flags.shaders = true;
+        }
+
         // Vertex format
         if (method_call.method >= MAXWELL3D_REG_INDEX(vertex_attrib_format) &&
             method_call.method <
diff --git a/src/video_core/engines/maxwell_3d.h b/src/video_core/engines/maxwell_3d.h
index 0faff6fdf..d50e5a126 100644
--- a/src/video_core/engines/maxwell_3d.h
+++ b/src/video_core/engines/maxwell_3d.h
@@ -1089,10 +1089,13 @@ public:
     MemoryManager& memory_manager;
 
     struct DirtyFlags {
+        bool shaders = true;
+
         bool vertex_attrib_format = true;
         u32 vertex_array = 0xFFFFFFFF;
 
         void OnMemoryWrite() {
+            shaders = true;
             vertex_array = 0xFFFFFFFF;
         }
     };