wined3d: Clear the last device in WineD3D_CreateFakeGLContext().

dlls/wined3d/context.c

@@ -36,6 +36,11 @@ WINE_DEFAULT_DEBUG_CHANNEL(d3d);
  */
 static IWineD3DDeviceImpl *last_device;
 
+void context_set_last_device(IWineD3DDeviceImpl *device)
+{
+    last_device = device;
+}
+
 /* FBO helper functions */
 
 /* GL locking is done by the caller */
@@ -1078,7 +1083,7 @@ WineD3DContext *CreateContext(IWineD3DDeviceImpl *This, IWineD3DSurfaceImpl *tar
             ERR("Failed to make previous GL context %p current.\n", oldCtx);
         }
     } else {
-        last_device = This;
+        context_set_last_device(This);
     }
     This->frag_pipe->enable_extension((IWineD3DDevice *) This, TRUE);
 
@@ -1167,7 +1172,7 @@ void DestroyContext(IWineD3DDeviceImpl *This, WineD3DContext *context) {
 
     /* The correct GL context needs to be active to cleanup the GL resources below */
     has_glctx = pwglMakeCurrent(context->hdc, context->glCtx);
-    last_device = NULL;
+    context_set_last_device(NULL);
 
     if (!has_glctx) WARN("Failed to activate context. Window already destroyed?\n");
 
@@ -1750,7 +1755,7 @@ void ActivateContext(IWineD3DDeviceImpl *This, IWineD3DSurface *target, ContextU
                    sizeof(*This->activeContext->pshader_const_dirty) * GL_LIMITS(pshader_constantsF));
         }
         This->activeContext = context;
-        last_device = This;
+        context_set_last_device(This);
     }
 
     switch (usage) {

dlls/wined3d/directx.c

@@ -308,6 +308,7 @@ static BOOL WineD3D_CreateFakeGLContext(void) {
             goto fail;
         }
     }
+    context_set_last_device(NULL);
 
   ret:
     TRACE("incrementing ref from %i\n", wined3d_fake_gl_context_ref);

dlls/wined3d/wined3d_private.h

@@ -1256,6 +1256,7 @@ void context_resource_released(IWineD3DDevice *iface, IWineD3DResource *resource
 void context_bind_fbo(IWineD3DDevice *iface, GLenum target, GLuint *fbo);
 void context_attach_depth_stencil_fbo(IWineD3DDeviceImpl *This, GLenum fbo_target, IWineD3DSurface *depth_stencil, BOOL use_render_buffer);
 void context_attach_surface_fbo(IWineD3DDeviceImpl *This, GLenum fbo_target, DWORD idx, IWineD3DSurface *surface);
+void context_set_last_device(IWineD3DDeviceImpl *device);
 
 void delete_opengl_contexts(IWineD3DDevice *iface, IWineD3DSwapChain *swapchain);
 HRESULT create_primary_opengl_context(IWineD3DDevice *iface, IWineD3DSwapChain *swapchain);