wined3d: Return the activated context from ActivateContext().

dlls/wined3d/context.c

@@ -1794,7 +1794,8 @@ static void context_apply_draw_buffer(struct WineD3DContext *context, BOOL blit)
  *  usage: Prepares the context for blitting, drawing or other actions
  *
  *****************************************************************************/
-void ActivateContext(IWineD3DDeviceImpl *This, IWineD3DSurface *target, ContextUsage usage) {
+struct WineD3DContext *ActivateContext(IWineD3DDeviceImpl *This, IWineD3DSurface *target, enum ContextUsage usage)
+{
     struct WineD3DContext *current_context = context_get_current();
     DWORD                         tid = GetCurrentThreadId();
     DWORD                         i, dirtyState, idx;
@@ -1929,4 +1930,6 @@ void ActivateContext(IWineD3DDeviceImpl *This, IWineD3DSurface *target, ContextU
         default:
             FIXME("Unexpected context usage requested\n");
     }
+
+    return context;
 }

dlls/wined3d/wined3d_private.h

@@ -1262,7 +1262,7 @@ typedef enum ContextUsage {
     CTXUSAGE_CLEAR              = 4,    /* Drawable and states are set up for clearing */
 } ContextUsage;
 
-void ActivateContext(IWineD3DDeviceImpl *device, IWineD3DSurface *target, ContextUsage usage);
+struct WineD3DContext *ActivateContext(IWineD3DDeviceImpl *This, IWineD3DSurface *target, enum ContextUsage usage);
 WineD3DContext *CreateContext(IWineD3DDeviceImpl *This, IWineD3DSurfaceImpl *target, HWND win, BOOL create_pbuffer, const WINED3DPRESENT_PARAMETERS *pPresentParms);
 void DestroyContext(IWineD3DDeviceImpl *This, WineD3DContext *context);
 void context_resource_released(IWineD3DDevice *iface, IWineD3DResource *resource, WINED3DRESOURCETYPE type);