Mesa (master): st/xlib: Fix upside down coordinates for CopySubBuffer
Stephane Marchesin
marcheu at kemper.freedesktop.org
Sat Jun 8 01:53:57 UTC 2013
Module: Mesa
Branch: master
Commit: 4e5416b0e2e0aedbed48acabe31a68fe1b37b61a
URL: http://cgit.freedesktop.org/mesa/mesa/commit/?id=4e5416b0e2e0aedbed48acabe31a68fe1b37b61a
Author: Stéphane Marchesin <marcheu at chromium.org>
Date: Fri May 10 18:29:52 2013 -0700
st/xlib: Fix upside down coordinates for CopySubBuffer
The coordinates need to be inverted between glX and gallium.
NOTE: This is a candidate for stable release branches.
Reviewed-by: Brian Paul <brianp at vmware.com>
---
src/gallium/state_trackers/glx/xlib/xm_api.c | 2 +-
1 files changed, 1 insertions(+), 1 deletions(-)
diff --git a/src/gallium/state_trackers/glx/xlib/xm_api.c b/src/gallium/state_trackers/glx/xlib/xm_api.c
index 66d29a5..c39968d 100644
--- a/src/gallium/state_trackers/glx/xlib/xm_api.c
+++ b/src/gallium/state_trackers/glx/xlib/xm_api.c
@@ -1255,7 +1255,7 @@ 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);
}
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