diff --git a/miniwin/miniwin/include/miniwin_d3drm.h b/miniwin/miniwin/include/miniwin_d3drm.h
index 691a17eb..c41a2f97 100644
--- a/miniwin/miniwin/include/miniwin_d3drm.h
+++ b/miniwin/miniwin/include/miniwin_d3drm.h
@@ -162,7 +162,9 @@ typedef IDirect3DRMTexture* LPDIRECT3DRMTEXTURE;
 struct IDirect3DRMTexture2 : public IDirect3DRMTexture {};
 typedef IDirect3DRMTexture2* LPDIRECT3DRMTEXTURE2;
 
-struct IDirect3DRMMaterial : public IDirect3DRMObject {};
+struct IDirect3DRMMaterial : public IDirect3DRMObject {
+	virtual D3DVALUE GetPower() = 0;
+};
 typedef IDirect3DRMMaterial *LPDIRECT3DRMMATERIAL, **LPLPDIRECT3DRMMATERIAL;
 
 struct IDirect3DRMMesh : public IDirect3DRMVisual {
diff --git a/miniwin/miniwin/src/miniwin_d3drm.cpp b/miniwin/miniwin/src/miniwin_d3drm.cpp
index c659c6ba..03b95313 100644
--- a/miniwin/miniwin/src/miniwin_d3drm.cpp
+++ b/miniwin/miniwin/src/miniwin_d3drm.cpp
@@ -77,7 +77,13 @@ struct Direct3DRMWinDeviceImpl : public IDirect3DRMWinDevice {
 	void HandlePaint(void* p_dc) override { MINIWIN_NOT_IMPLEMENTED(); }
 };
 
-struct Direct3DRMMaterialImpl : public Direct3DRMObjectBase<IDirect3DRMMaterial> {};
+struct Direct3DRMMaterialImpl : public Direct3DRMObjectBase<IDirect3DRMMaterial> {
+	Direct3DRMMaterialImpl(D3DVALUE power) : m_power(power) {}
+	D3DVALUE GetPower() override { return m_power; }
+
+private:
+	D3DVALUE m_power;
+};
 
 SDL_GPUGraphicsPipeline* InitializeGraphicsPipeline(SDL_GPUDevice* device)
 {
@@ -214,8 +220,7 @@ struct Direct3DRMImpl : virtual public IDirect3DRM2 {
 	}
 	HRESULT CreateMaterial(D3DVAL power, IDirect3DRMMaterial** outMaterial) override
 	{
-		MINIWIN_NOT_IMPLEMENTED();
-		*outMaterial = static_cast<IDirect3DRMMaterial*>(new Direct3DRMMaterialImpl);
+		*outMaterial = static_cast<IDirect3DRMMaterial*>(new Direct3DRMMaterialImpl(power));
 		return DD_OK;
 	}
 	HRESULT CreateLightRGB(D3DRMLIGHTTYPE type, D3DVAL r, D3DVAL g, D3DVAL b, IDirect3DRMLight** outLight) override