Józef Kucia : wined3d: Try harder to keep the current context.

[Alexandre Julliard]

Module: wine
Branch: master
Commit: 1eb642aaf23bfa7f13af4e9d9207e87e39b8c016
URL:    http://source.winehq.org/git/wine.git/?a=commit;h=1eb642aaf23bfa7f13af4e9d92...

Author: Józef Kucia 
Date:   Wed May 24 17:10:00 2017 +0200

wined3d: Try harder to keep the current context.

Signed-off-by: Józef Kucia 
Signed-off-by: Henri Verbeet 
Signed-off-by: Alexandre Julliard

---

dlls/wined3d/context.c | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

diff --git a/dlls/wined3d/context.c b/dlls/wined3d/context.c
index e0c51f9..49b9186 100644
--- a/dlls/wined3d/context.c
+++ b/dlls/wined3d/context.c
@@ -3956,6 +3956,7 @@ struct wined3d_context *context_acquire(const struct wined3d_device *device,
 {
     struct wined3d_context *current_context = context_get_current();
     struct wined3d_context *context;
+    BOOL swapchain_texture;

TRACE("device %p, texture %p, sub_resource_idx %u.\n", device, texture, sub_resource_idx);

@@ -3964,6 +3965,7 @@ struct wined3d_context *context_acquire(const struct wined3d_device *device,
     if (current_context && current_context->destroyed)
         current_context = NULL;

+    swapchain_texture = texture && texture->swapchain;
     if (!texture)
     {
         if (current_context
@@ -3989,7 +3991,7 @@ struct wined3d_context *context_acquire(const struct wined3d_device *device,
     {
         context = current_context;
     }
-    else if (texture->swapchain)
+    else if (swapchain_texture)
     {
         TRACE("Rendering onscreen.\n");

@@ -4010,7 +4012,8 @@ struct wined3d_context *context_acquire(const struct wined3d_device *device,
     context_enter(context);
     context_update_window(context);
     context_setup_target(context, texture, sub_resource_idx);
-    if (!context->valid) return context;
+    if (!context->valid)
+        return context;

if (context != current_context)
     {