From 553099abf199b5428045df3148aec872a0182d21 Mon Sep 17 00:00:00 2001
From: twinaphex <libretro@gmail.com>
Date: Sat, 6 Jan 2018 19:41:55 +0100
Subject: [PATCH] Add d3d_check_device_type

---
 gfx/common/d3d_common.c | 36 ++++++++++++++++++++++++++++++++++++
 gfx/common/d3d_common.h |  6 ++++++
 2 files changed, 42 insertions(+)

diff --git a/gfx/common/d3d_common.c b/gfx/common/d3d_common.c
index cc512f7c42..3faff4b36f 100644
--- a/gfx/common/d3d_common.c
+++ b/gfx/common/d3d_common.c
@@ -263,6 +263,42 @@ void d3d_deinitialize_symbols(void)
 #endif
 }
 
+bool d3d_check_device_type(LPDIRECT3D d3d,
+      unsigned idx,
+      D3DFORMAT disp_format,
+      D3DFORMAT backbuffer_format,
+      bool windowed_mode)
+{
+   if (!d3d)
+      return false;
+#if defined(HAVE_D3D9) && !defined(__cplusplus)
+   if (FAILED(IDirect3D9_CheckDeviceType(d3d,
+               0,
+               D3DDEVTYPE_HAL,
+               disp_format,
+               backbuffer_format,
+               windowed_mode)))
+      return false;
+#elif defined(HAVE_D3D8) && !defined(__cplusplus)
+   if (FAILED(IDirect3D8_CheckDeviceType(d3d,
+               0,
+               D3DDEVTYPE_HAL,
+               disp_format,
+               backbuffer_format,
+               windowed_mode)))
+      return false;
+#else
+   if (FAILED(d3d->CheckDeviceType(
+               0,
+               D3DDEVTYPE_HAL,
+               disp_format,
+               backbuffer_format,
+               windowed_mode)))
+      return false;
+#endif
+   return true;
+}
+
 bool d3d_get_adapter_display_mode(LPDIRECT3D d3d,
       unsigned idx,
       D3DDISPLAYMODE *display_mode)
diff --git a/gfx/common/d3d_common.h b/gfx/common/d3d_common.h
index 280ff418a6..2a4a04275c 100644
--- a/gfx/common/d3d_common.h
+++ b/gfx/common/d3d_common.h
@@ -183,6 +183,12 @@ bool d3d_initialize_symbols(void);
 
 void d3d_deinitialize_symbols(void);
 
+bool d3d_check_device_type(LPDIRECT3D d3d,
+      unsigned idx,
+      D3DFORMAT disp_format,
+      D3DFORMAT backbuffer_format,
+      bool windowed_mode);
+
 bool d3dx_create_font_indirect(LPDIRECT3DDEVICE dev,
       void *desc, void **font_data);