diff --git a/src/main/iidxhook8/dllmain.c b/src/main/iidxhook8/dllmain.c
index 5e90d3b..7a7511c 100644
--- a/src/main/iidxhook8/dllmain.c
+++ b/src/main/iidxhook8/dllmain.c
@@ -10,6 +10,8 @@
 
 #include "cconfig/cconfig-hook.h"
 
+#include "hook/d3d9.h"
+
 #include "hooklib/acp.h"
 #include "hooklib/adapter.h"
 #include "hooklib/app.h"
@@ -45,6 +47,32 @@ static const irp_handler_t iidxhook_handlers[] = {
     bio2_port_dispatch_irp,
 };
 
+static const hook_d3d9_irp_handler_t iidxhook_d3d9_handlers[] = {
+    iidxhook_util_d3d9_irp_handler,
+};
+
+static void iidxhook8_setup_d3d9_hooks(const struct iidxhook_config_gfx* config_gfx)
+{
+    struct iidxhook_util_d3d9_config d3d9_config;
+
+    iidxhook_util_d3d9_init_config(&d3d9_config);
+
+    d3d9_config.windowed = config_gfx->windowed;
+    d3d9_config.framed = config_gfx->framed;
+    d3d9_config.override_window_width = config_gfx->window_width;
+    d3d9_config.override_window_height = config_gfx->window_height;
+    d3d9_config.framerate_limit = config_gfx->frame_rate_limit;
+    d3d9_config.pci_vid = config_gfx->pci_id_vid;
+    d3d9_config.pci_pid = config_gfx->pci_id_pid;
+    d3d9_config.scale_back_buffer_width = config_gfx->scale_back_buffer_width;
+    d3d9_config.scale_back_buffer_height = config_gfx->scale_back_buffer_height;
+    d3d9_config.scale_back_buffer_filter = config_gfx->scale_back_buffer_filter;
+
+    iidxhook_util_d3d9_configure(&d3d9_config);
+
+    hook_d3d9_init(iidxhook_d3d9_handlers, lengthof(iidxhook_d3d9_handlers));
+}
+
 struct iidxhook8_config_io iidxhook8_config_io;
 
 static bool my_dll_entry_init(char *sidcode, struct property_node *param)
@@ -81,23 +109,7 @@ static bool my_dll_entry_init(char *sidcode, struct property_node *param)
     log_info(IIDXHOOK8_INFO_HEADER);
     log_info("Initializing iidxhook...");
 
-    if (config_gfx.windowed) {
-        d3d9_set_windowed(config_gfx.framed, config_gfx.window_width,
-            config_gfx.window_height);
-    }
-    
-    if (config_gfx.pci_id_pid != 0 && config_gfx.pci_id_vid != 0) {
-        d3d9_set_pci_id(config_gfx.pci_id_pid, config_gfx.pci_id_vid);
-    }
-
-    if (config_gfx.frame_rate_limit > 0) {
-        d3d9_set_frame_rate_limit(config_gfx.frame_rate_limit);
-    }
-
-    if (config_gfx.scale_back_buffer_width > 0 && config_gfx.scale_back_buffer_height > 0) {
-        d3d9_scale_back_buffer(config_gfx.scale_back_buffer_width, config_gfx.scale_back_buffer_height,
-            config_gfx.scale_back_buffer_filter);
-    }
+    iidxhook8_setup_d3d9_hooks(&config_gfx);
 
     /* Start up IIDXIO.DLL */
     if (!iidxhook8_config_io.disable_bio2_emu) {
@@ -187,7 +199,6 @@ BOOL WINAPI DllMain(HMODULE mod, DWORD reason, void *ctx)
 
     acp_hook_init();
     adapter_hook_init();
-    d3d9_hook_init();
 
 end:
     return TRUE;