Mesa (10.4): Revert "glx/dri3: Request non-vsynced Present for swapinterval zero. (v3)"
Emil Velikov
evelikov at kemper.freedesktop.org
Tue Dec 30 02:36:18 UTC 2014
Module: Mesa
Branch: 10.4
Commit: 45416a255f304c53ef14c5d78a079f0979b72600
URL: http://cgit.freedesktop.org/mesa/mesa/commit/?id=45416a255f304c53ef14c5d78a079f0979b72600
Author: Emil Velikov <emil.l.velikov at gmail.com>
Date: Tue Dec 30 01:03:14 2014 +0000
Revert "glx/dri3: Request non-vsynced Present for swapinterval zero. (v3)"
This reverts commit ee241a688904211663e9445ed90e6d51aca3204f.
May not be the correct fix. Discussion is ongoing.
http://lists.freedesktop.org/archives/mesa-dev/2014-December/072969.html
---
src/glx/dri3_glx.c | 14 +-------------
1 file changed, 1 insertion(+), 13 deletions(-)
diff --git a/src/glx/dri3_glx.c b/src/glx/dri3_glx.c
index 1ddc723..0bda670 100644
--- a/src/glx/dri3_glx.c
+++ b/src/glx/dri3_glx.c
@@ -1526,7 +1526,6 @@ dri3_swap_buffers(__GLXDRIdrawable *pdraw, int64_t target_msc, int64_t divisor,
xcb_connection_t *c = XGetXCBConnection(dpy);
struct dri3_buffer *back;
int64_t ret = 0;
- uint32_t options = XCB_PRESENT_OPTION_NONE;
unsigned flags = __DRI2_FLUSH_DRAWABLE;
if (flush)
@@ -1579,17 +1578,6 @@ dri3_swap_buffers(__GLXDRIdrawable *pdraw, int64_t target_msc, int64_t divisor,
remainder = 0;
}
- /* From the GLX_EXT_swap_control spec:
- *
- * "If <interval> is set to a value of 0, buffer swaps are not
- * synchronized to a video frame."
- *
- * Implementation note: It is possible to enable triple buffering behaviour
- * by not using XCB_PRESENT_OPTION_ASYNC, but this should not be the default.
- */
- if (priv->swap_interval == 0)
- options |= XCB_PRESENT_OPTION_ASYNC;
-
back->busy = 1;
back->last_swap = priv->send_sbc;
xcb_present_pixmap(c,
@@ -1603,7 +1591,7 @@ dri3_swap_buffers(__GLXDRIdrawable *pdraw, int64_t target_msc, int64_t divisor,
None, /* target_crtc */
None,
back->sync_fence,
- options,
+ XCB_PRESENT_OPTION_NONE,
target_msc,
divisor,
remainder, 0, NULL);
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