diff --git a/gfx/common/win32_common.c b/gfx/common/win32_common.c
index 74c0874943..ccb2bfa30d 100644
--- a/gfx/common/win32_common.c
+++ b/gfx/common/win32_common.c
@@ -1373,7 +1373,7 @@ BOOL IsIconic(HWND hwnd)
 }
 #endif
 
-bool win32_has_focus(void)
+bool win32_has_focus(void *data)
 {
    if (g_win32_inited)
       if (GetForegroundWindow() == main_window.hwnd)
diff --git a/gfx/common/win32_common.h b/gfx/common/win32_common.h
index 254d2d9e63..cd16046d98 100644
--- a/gfx/common/win32_common.h
+++ b/gfx/common/win32_common.h
@@ -96,7 +96,7 @@ void win32_show_cursor(void *data, bool state);
 
 HWND win32_get_window(void);
 
-bool win32_has_focus(void);
+bool win32_has_focus(void *data);
 
 void win32_check_window(bool *quit,
       bool *resize, unsigned *width, unsigned *height);
diff --git a/gfx/drivers/d3d10.c b/gfx/drivers/d3d10.c
index 23b6d6bf6a..c51c1168da 100644
--- a/gfx/drivers/d3d10.c
+++ b/gfx/drivers/d3d10.c
@@ -1546,8 +1546,6 @@ static bool d3d10_gfx_alive(void* data)
    return !quit;
 }
 
-static bool d3d10_gfx_focus(void* data) { return win32_has_focus(); }
-
 static bool d3d10_gfx_suppress_screensaver(void* data, bool enable)
 {
    (void)data;
@@ -1777,7 +1775,7 @@ video_driver_t video_d3d10 = {
    d3d10_gfx_frame,
    d3d10_gfx_set_nonblock_state,
    d3d10_gfx_alive,
-   d3d10_gfx_focus,
+   win32_has_focus,
    d3d10_gfx_suppress_screensaver,
    d3d10_gfx_has_windowed,
    d3d10_gfx_set_shader,
diff --git a/gfx/drivers/d3d11.c b/gfx/drivers/d3d11.c
index 00ea1a566b..ea2fb3e4e7 100644
--- a/gfx/drivers/d3d11.c
+++ b/gfx/drivers/d3d11.c
@@ -1624,8 +1624,6 @@ static bool d3d11_gfx_alive(void* data)
    return !quit;
 }
 
-static bool d3d11_gfx_focus(void* data) { return win32_has_focus(); }
-
 static bool d3d11_gfx_suppress_screensaver(void* data, bool enable)
 {
    (void)data;
@@ -1849,7 +1847,7 @@ video_driver_t video_d3d11 = {
    d3d11_gfx_frame,
    d3d11_gfx_set_nonblock_state,
    d3d11_gfx_alive,
-   d3d11_gfx_focus,
+   win32_has_focus,
    d3d11_gfx_suppress_screensaver,
    d3d11_gfx_has_windowed,
    d3d11_gfx_set_shader,
diff --git a/gfx/drivers/d3d12.c b/gfx/drivers/d3d12.c
index 0e6a9b2aae..7e6a12d634 100644
--- a/gfx/drivers/d3d12.c
+++ b/gfx/drivers/d3d12.c
@@ -1614,8 +1614,6 @@ static bool d3d12_gfx_alive(void* data)
    return !quit;
 }
 
-static bool d3d12_gfx_focus(void* data) { return win32_has_focus(); }
-
 static bool d3d12_gfx_suppress_screensaver(void* data, bool enable)
 {
    (void)data;
@@ -1850,7 +1848,7 @@ video_driver_t video_d3d12 = {
    d3d12_gfx_frame,
    d3d12_gfx_set_nonblock_state,
    d3d12_gfx_alive,
-   d3d12_gfx_focus,
+   win32_has_focus,
    d3d12_gfx_suppress_screensaver,
    d3d12_gfx_has_windowed,
    d3d12_gfx_set_shader,
diff --git a/gfx/drivers_context/gdi_ctx.c b/gfx/drivers_context/gdi_ctx.c
index de98135698..9707db48b9 100644
--- a/gfx/drivers_context/gdi_ctx.c
+++ b/gfx/drivers_context/gdi_ctx.c
@@ -211,11 +211,6 @@ static void gfx_ctx_gdi_input_driver(void *data,
    *input_data = dinput_gdi;
 }
 
-static bool gfx_ctx_gdi_has_focus(void *data)
-{
-   return win32_has_focus();
-}
-
 static enum gfx_ctx_api gfx_ctx_gdi_get_api(void *data)
 {
    return win32_gdi_api;
@@ -285,7 +280,7 @@ const gfx_ctx_driver_t gfx_ctx_gdi = {
    gfx_ctx_gdi_update_title,
    gfx_ctx_gdi_check_window,
    gfx_ctx_gdi_set_resize,
-   gfx_ctx_gdi_has_focus,
+   win32_has_focus,
    win32_suppress_screensaver,
    true, /* has_windowed */
    gfx_ctx_gdi_swap_buffers,
diff --git a/gfx/drivers_context/uwp_egl_ctx.c b/gfx/drivers_context/uwp_egl_ctx.c
index d080351d3f..8d4bb29fa1 100644
--- a/gfx/drivers_context/uwp_egl_ctx.c
+++ b/gfx/drivers_context/uwp_egl_ctx.c
@@ -270,11 +270,6 @@ static void gfx_ctx_uwp_input_driver(void *data,
    }
 }
 
-static bool gfx_ctx_uwp_has_focus(void *data)
-{
-   return win32_has_focus();
-}
-
 static enum gfx_ctx_api gfx_ctx_uwp_get_api(void *data)
 {
    return uwp_api;
@@ -345,7 +340,7 @@ const gfx_ctx_driver_t gfx_ctx_uwp = {
    NULL, /* update title */
    gfx_ctx_uwp_check_window,
    gfx_ctx_uwp_set_resize,
-   gfx_ctx_uwp_has_focus,
+   win32_has_focus,
    NULL, /* suppress screensaver */
    true, /* has_windowed */
    gfx_ctx_uwp_swap_buffers,
diff --git a/gfx/drivers_context/wgl_ctx.c b/gfx/drivers_context/wgl_ctx.c
index 12c15e4fba..76c48ce8ae 100644
--- a/gfx/drivers_context/wgl_ctx.c
+++ b/gfx/drivers_context/wgl_ctx.c
@@ -827,11 +827,6 @@ static void gfx_ctx_wgl_input_driver(void *data,
 #endif
 }
 
-static bool gfx_ctx_wgl_has_focus(void *data)
-{
-   return win32_has_focus();
-}
-
 static enum gfx_ctx_api gfx_ctx_wgl_get_api(void *data)
 {
    return win32_api;
@@ -1001,7 +996,7 @@ const gfx_ctx_driver_t gfx_ctx_wgl = {
    gfx_ctx_wgl_update_title,
    gfx_ctx_wgl_check_window,
    gfx_ctx_wgl_set_resize,
-   gfx_ctx_wgl_has_focus,
+   win32_has_focus,
    win32_suppress_screensaver,
    true, /* has_windowed */
    gfx_ctx_wgl_swap_buffers,
diff --git a/uwp/uwp_main.cpp b/uwp/uwp_main.cpp
index 91ee000ac0..c6e4cfdee8 100644
--- a/uwp/uwp_main.cpp
+++ b/uwp/uwp_main.cpp
@@ -568,7 +568,7 @@ void App::OnPackageInstalling(PackageCatalog^ sender, PackageInstallingEventArgs
 // Implement UWP equivalents of various win32_* functions
 extern "C" {
 
-	bool win32_has_focus(void)
+	bool win32_has_focus(void *data)
 	{
 		return App::GetInstance()->IsWindowFocused();
 	}