summaryrefslogtreecommitdiffstats
path: root/src/gallium/state_trackers
diff options
context:
space:
mode:
Diffstat (limited to 'src/gallium/state_trackers')
-rw-r--r--src/gallium/state_trackers/wgl/shared/stw_framebuffer.c10
1 files changed, 10 insertions, 0 deletions
diff --git a/src/gallium/state_trackers/wgl/shared/stw_framebuffer.c b/src/gallium/state_trackers/wgl/shared/stw_framebuffer.c
index 7d0e8f46482..78a2dbc4d7c 100644
--- a/src/gallium/state_trackers/wgl/shared/stw_framebuffer.c
+++ b/src/gallium/state_trackers/wgl/shared/stw_framebuffer.c
@@ -300,8 +300,18 @@ struct stw_framebuffer *
stw_framebuffer_from_hdc_locked(
HDC hdc )
{
+ HWND hwnd;
struct stw_framebuffer *fb;
+ /*
+ * Some applications create and use several HDCs for the same window, so
+ * looking up the framebuffer by the HDC is not reliable. Use HWND whenever
+ * possible.
+ */
+ hwnd = WindowFromDC(hdc);
+ if(hwnd)
+ return stw_framebuffer_from_hwnd_locked(hwnd);
+
for (fb = stw_dev->fb_head; fb != NULL; fb = fb->next)
if (fb->hDC == hdc)
break;