diff --git a/.devcontainer/devcontainer.json b/.devcontainer/devcontainer.json
index cdb91a54..285ab4f6 100644
--- a/.devcontainer/devcontainer.json
+++ b/.devcontainer/devcontainer.json
@@ -1,7 +1,15 @@
 {
-  "name": "ubuntu-jammy",
-  "image": "ubuntu-latest",
+  "name": "ubuntu",
+  "image": "docker.io/library/ubuntu",
+  "customizations": {
+    "vscode": {
+      "extensions": [
+        "ms-vscode.cpptools-extension-pack"
+      ]
+    }
+  },
   "features": {
   },
+  "onCreateCommand": "apt update && apt install sudo git",
   "postCreateCommand": "sudo ./build.sh"
-}
+}
\ No newline at end of file
diff --git a/include/config.hpp b/include/config.hpp
index cea063b6..5b071b03 100644
--- a/include/config.hpp
+++ b/include/config.hpp
@@ -3,4 +3,4 @@
 #define DEBUG true
 
 //PREPROCESSING ONLY!!!
-#define PROJECT_SOURCE_DIR "/home/eduardo/Documentos/proj/OpenDX/"
+#define PROJECT_SOURCE_DIR "/workspaces/OpenDX/"
diff --git a/libs/d3d9/d3d9.cpp b/libs/d3d9/d3d9.cpp
index bff407a0..d5407a5e 100644
--- a/libs/d3d9/d3d9.cpp
+++ b/libs/d3d9/d3d9.cpp
@@ -12,6 +12,9 @@
 #include <xf86drm.h>
 #include <xf86drmMode.h>
 
+//TODO: add ifdefs when implementing another gpu
+#include <drm/i915_drm.h>
+
 IDirect3D9::IDirect3D9 (UINT SDKVersion) {
 	#ifdef DEBUG
 		std::cout << "libd3d9.so: IDirect3D9::IDirect3D9()" << std::endl;
@@ -93,7 +96,13 @@ HRESULT IDirect3D9::CreateDevice(
 		D3DPRESENT_PARAMETERS *pPresentationParameters,
 		IDirect3DDevice9      **ppReturnedDeviceInterface
 	) {
-		return 0;
+	#ifdef DEBUG
+		std::cout << "libd3d9.so: IDirect3D9::CreateDevice()" << std::endl;
+	#endif
+
+	//get hwnd size
+	RECT rect;
+	GetClientRect(hFocusWindow, &rect);
 }
 
 ULONG IDirect3D9::Release() {
diff --git a/tests/basic_window.cpp b/tests/basic_window.cpp
index 0cc5b0bc..44fd8c9d 100644
--- a/tests/basic_window.cpp
+++ b/tests/basic_window.cpp
@@ -28,7 +28,7 @@ int WINAPI WinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance, LPSTR lpCmdLine
     //ZeroMemory(&pp, sizeof(pp));
     pp.Windowed = TRUE;
     pp.SwapEffect = D3DSWAPEFFECT_DISCARD;
-    //pD3D->CreateDevice(D3DADAPTER_DEFAULT, D3DDEVTYPE_HAL, hWnd, D3DCREATE_HARDWARE_VERTEXPROCESSING, &pp, &pDevice);
+    pD3D->CreateDevice(D3DADAPTER_DEFAULT, D3DDEVTYPE_HAL, hWnd, 0/*D3DCREATE_HARDWARE_VERTEXPROCESSING*/, &pp, &pDevice);
 
     // Enter the message loop
     MSG msg;