From: Jan Henrik Weinstock <[email protected]>

We need to specify SDL_WINDOW_OPENGL if we want to create an OpenGL context on 
it, i.e. when using '-device virtio-gpu-pci,virgl=on'

Signed-off-by: Jan Henrik Weinstock <[email protected]>
Message-id: [email protected]
Signed-off-by: Gerd Hoffmann <[email protected]>
---
 ui/sdl2.c | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/ui/sdl2.c b/ui/sdl2.c
index abad7f981e50..189d26e2a951 100644
--- a/ui/sdl2.c
+++ b/ui/sdl2.c
@@ -84,6 +84,11 @@ void sdl2_window_create(struct sdl2_console *scon)
     if (scon->hidden) {
         flags |= SDL_WINDOW_HIDDEN;
     }
+#ifdef CONFIG_OPENGL
+    if (scon->opengl) {
+        flags |= SDL_WINDOW_OPENGL;
+    }
+#endif
 
     scon->real_window = SDL_CreateWindow("", SDL_WINDOWPOS_UNDEFINED,
                                          SDL_WINDOWPOS_UNDEFINED,
-- 
2.27.0


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