From 823bf721309a533059aa2d8067dfb1de63f8c0a3 Mon Sep 17 00:00:00 2001
From: David Ludwig <dludwig@pobox.com>
Date: Sat, 22 Mar 2014 21:08:05 -0400
Subject: [PATCH] WinRT globals cleanup: Removed WINRT_GlobalSDLVideoDevice

---
 src/core/winrt/SDL_winrtapp_direct3d.cpp | 20 +++++++++++---------
 src/video/winrt/SDL_winrtvideo.cpp       |  6 ------
 src/video/winrt/SDL_winrtvideo_cpp.h     |  3 ---
 3 files changed, 11 insertions(+), 18 deletions(-)

diff --git a/src/core/winrt/SDL_winrtapp_direct3d.cpp b/src/core/winrt/SDL_winrtapp_direct3d.cpp
index 2fd20a89d22a8..02c1890cca12c 100644
--- a/src/core/winrt/SDL_winrtapp_direct3d.cpp
+++ b/src/core/winrt/SDL_winrtapp_direct3d.cpp
@@ -173,6 +173,8 @@ static void WINRT_SetDisplayOrientationsPreference(void *userdata, const char *n
 static void
 WINRT_ProcessWindowSizeChange()
 {
+    SDL_VideoDevice *_this = SDL_GetVideoDevice();
+
     // Make the new window size be the one true fullscreen mode.
     // This change was initially done, in part, to allow the Direct3D 11.1
     // renderer to receive window-resize events as a device rotates.
@@ -192,31 +194,31 @@ WINRT_ProcessWindowSizeChange()
     // Make note of the old display mode, and it's old driverdata.
     SDL_DisplayMode oldDisplayMode;
     SDL_zero(oldDisplayMode);
-    if (WINRT_GlobalSDLVideoDevice) {
-        oldDisplayMode = WINRT_GlobalSDLVideoDevice->displays[0].desktop_mode;
+    if (_this) {
+        oldDisplayMode = _this->displays[0].desktop_mode;
     }
 
     // Setup the new display mode in the appropriate spots.
-    if (WINRT_GlobalSDLVideoDevice) {
+    if (_this) {
         // Make a full copy of the display mode for display_modes[0],
         // one with with a separately malloced 'driverdata' field.
         // SDL_VideoQuit(), if called, will attempt to free the driverdata
         // fields in 'desktop_mode' and each entry in the 'display_modes'
         // array.
-        if (WINRT_GlobalSDLVideoDevice->displays[0].display_modes[0].driverdata) {
+        if (_this->displays[0].display_modes[0].driverdata) {
             // Free the previous mode's memory
-            SDL_free(WINRT_GlobalSDLVideoDevice->displays[0].display_modes[0].driverdata);
-            WINRT_GlobalSDLVideoDevice->displays[0].display_modes[0].driverdata = NULL;
+            SDL_free(_this->displays[0].display_modes[0].driverdata);
+            _this->displays[0].display_modes[0].driverdata = NULL;
         }
-        if (WINRT_DuplicateDisplayMode(&(WINRT_GlobalSDLVideoDevice->displays[0].display_modes[0]), &newDisplayMode) != 0) {
+        if (WINRT_DuplicateDisplayMode(&(_this->displays[0].display_modes[0]), &newDisplayMode) != 0) {
             // Uh oh, something went wrong.  A malloc call probably failed.
             SDL_free(newDisplayMode.driverdata);
             return;
         }
 
         // Install 'newDisplayMode' into 'current_mode' and 'desktop_mode'.
-        WINRT_GlobalSDLVideoDevice->displays[0].current_mode = newDisplayMode;
-        WINRT_GlobalSDLVideoDevice->displays[0].desktop_mode = newDisplayMode;
+        _this->displays[0].current_mode = newDisplayMode;
+        _this->displays[0].desktop_mode = newDisplayMode;
     }
 
     if (WINRT_GlobalSDLWindow) {
diff --git a/src/video/winrt/SDL_winrtvideo.cpp b/src/video/winrt/SDL_winrtvideo.cpp
index f54e9855b2399..f8ebee0f97a89 100644
--- a/src/video/winrt/SDL_winrtvideo.cpp
+++ b/src/video/winrt/SDL_winrtvideo.cpp
@@ -70,7 +70,6 @@ static SDL_bool WINRT_GetWindowWMInfo(_THIS, SDL_Window * window, SDL_SysWMinfo
 
 /* SDL-internal globals: */
 SDL_Window * WINRT_GlobalSDLWindow = NULL;
-SDL_VideoDevice * WINRT_GlobalSDLVideoDevice = NULL;
 
 
 /* WinRT driver bootstrap functions */
@@ -84,10 +83,6 @@ WINRT_Available(void)
 static void
 WINRT_DeleteDevice(SDL_VideoDevice * device)
 {
-    if (device == WINRT_GlobalSDLVideoDevice) {
-        WINRT_GlobalSDLVideoDevice = NULL;
-    }
-
     if (device->driverdata) {
         SDL_VideoData * video_data = (SDL_VideoData *)device->driverdata;
         if (video_data->winrtEglWindow) {
@@ -143,7 +138,6 @@ WINRT_CreateDevice(int devindex)
     device->GL_DeleteContext = WINRT_GLES_DeleteContext;
 #endif
     device->free = WINRT_DeleteDevice;
-    WINRT_GlobalSDLVideoDevice = device;
 
     return device;
 }
diff --git a/src/video/winrt/SDL_winrtvideo_cpp.h b/src/video/winrt/SDL_winrtvideo_cpp.h
index 119f5b8f2ce5e..a90f0437fe950 100644
--- a/src/video/winrt/SDL_winrtvideo_cpp.h
+++ b/src/video/winrt/SDL_winrtvideo_cpp.h
@@ -48,9 +48,6 @@ typedef struct SDL_VideoData {
 */
 extern SDL_Window * WINRT_GlobalSDLWindow;
 
-/* The global, WinRT, video device. */
-extern SDL_VideoDevice * WINRT_GlobalSDLVideoDevice;
-
 /* Creates a display mode for Plain Direct3D (non-XAML) apps, using the lone, native window's settings.
 
    Pass in an allocated SDL_DisplayMode field to store the data in.