The coordinates need to be inverted between glX and gallium.
---
src/gallium/state_trackers/glx/xlib/xm_api.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/src/gallium/state_trackers/glx/xlib/xm_api.c
b/src/gallium/state_trackers/glx/xlib/xm_api.c
index e426192..4f10b84 100644
--- a/src/gallium/state_trackers/glx/xlib/xm_api.c
+++ b/src/gallium/state_trackers/glx/xlib/xm_api.c
@@ -1256,7 +1256,7 @@ void XMesaCopySubBuffer( XMesaBuffer b, int x, int y, int
width, int height )
{
xmesa_copy_st_framebuffer(b->stfb,
ST_ATTACHMENT_BACK_LEFT, ST_ATTACHMENT_FRONT_LEFT,
- x, y, width, height);
+ x, b->height - y - height, width, height);
}
--
1.8.2.1
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