Mesa (master): loader/dri3: Also wait for front buffer fence if we triggered it
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Thu Oct 18 15:04:12 UTC 2018
Module: Mesa
Branch: master
Commit: c20ba1be1843d035f36e9794bee7aea9abfc2f8b
URL: http://cgit.freedesktop.org/mesa/mesa/commit/?id=c20ba1be1843d035f36e9794bee7aea9abfc2f8b
Author: Michel Dänzer <michel.daenzer at amd.com>
Date: Mon Oct 1 18:43:46 2018 +0200
loader/dri3: Also wait for front buffer fence if we triggered it
In that case, we have to wait for the fence to synchronize with the
corresponding drawing we triggered in the X server.
Fixes incorrect display with the i965 driver and some applications, e.g.
solvespace.
Bugzilla: https://bugs.freedesktop.org/108097
Fixes: aefac10fecc9 "loader/dri3: Only wait for back buffer fences in
dri3_get_buffer"
Tested-by: Sergii Romantsov <sergii.romantsov at globallogic.com>
---
src/loader/loader_dri3_helper.c | 7 +++++--
1 file changed, 5 insertions(+), 2 deletions(-)
diff --git a/src/loader/loader_dri3_helper.c b/src/loader/loader_dri3_helper.c
index f641a34e6d..1981b5f051 100644
--- a/src/loader/loader_dri3_helper.c
+++ b/src/loader/loader_dri3_helper.c
@@ -1736,6 +1736,7 @@ dri3_get_buffer(__DRIdrawable *driDrawable,
struct loader_dri3_drawable *draw)
{
struct loader_dri3_buffer *buffer;
+ bool fence_await = buffer_type == loader_dri3_buffer_back;
int buf_id;
if (buffer_type == loader_dri3_buffer_back) {
@@ -1791,6 +1792,7 @@ dri3_get_buffer(__DRIdrawable *driDrawable,
0, 0, 0, 0,
draw->width, draw->height);
dri3_fence_trigger(draw->conn, new_buffer);
+ fence_await = true;
}
dri3_free_render_buffer(draw, buffer);
} else if (buffer_type == loader_dri3_buffer_front) {
@@ -1812,13 +1814,14 @@ dri3_get_buffer(__DRIdrawable *driDrawable,
new_buffer->linear_buffer,
0, 0, draw->width, draw->height,
0, 0, 0);
- }
+ } else
+ fence_await = true;
}
buffer = new_buffer;
draw->buffers[buf_id] = buffer;
}
- if (buffer_type == loader_dri3_buffer_back)
+ if (fence_await)
dri3_fence_await(draw->conn, draw, buffer);
/*
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