diff --git a/src/renderer_d3d11.h b/src/renderer_d3d11.h
index 2593fbb8..faef3819 100644
--- a/src/renderer_d3d11.h
+++ b/src/renderer_d3d11.h
@@ -79,6 +79,26 @@ typedef void ID3D11InfoQueue;
 
 #endif // __MINGW32__
 
+#ifndef D3D_FL9_1_REQ_TEXTURE2D_U_OR_V_DIMENSION
+#	define D3D_FL9_1_REQ_TEXTURE2D_U_OR_V_DIMENSION 2048
+#endif // D3D_FL9_1_REQ_TEXTURE2D_U_OR_V_DIMENSION
+
+#ifndef D3D_FL9_3_REQ_TEXTURE2D_U_OR_V_DIMENSION
+#	define D3D_FL9_3_REQ_TEXTURE2D_U_OR_V_DIMENSION 4096
+#endif // D3D_FL9_3_REQ_TEXTURE2D_U_OR_V_DIMENSION
+
+#ifndef D3D_FL9_1_SIMULTANEOUS_RENDER_TARGET_COUNT
+#	define D3D_FL9_1_SIMULTANEOUS_RENDER_TARGET_COUNT 1
+#endif // D3D_FL9_1_SIMULTANEOUS_RENDER_TARGET_COUNT
+
+#ifndef D3D_FL9_3_SIMULTANEOUS_RENDER_TARGET_COUNT
+#	define D3D_FL9_3_SIMULTANEOUS_RENDER_TARGET_COUNT 4
+#endif // D3D_FL9_3_SIMULTANEOUS_RENDER_TARGET_COUNT
+
+#ifndef D3D_FL9_1_DEFAULT_MAX_ANISOTROPY
+#	define D3D_FL9_1_DEFAULT_MAX_ANISOTROPY 2
+#endif // D3D_FL9_1_DEFAULT_MAX_ANISOTROPY
+
 namespace bgfx { namespace d3d11
 {
 	struct BufferD3D11