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loader/dri3: Also wait for front buffer fence if we triggered it

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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: aefac10fec "loader/dri3: Only wait for back buffer fences in
                     dri3_get_buffer"
Tested-by: Sergii Romantsov <sergii.romantsov@globallogic.com>
This commit is contained in:
Michel Dänzer 2018-10-01 18:43:46 +02:00 • committed by Michel Dänzer
parent 00bb42105d
commit c20ba1be18
1 changed files with 5 additions and 2 deletions
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7
src/loader/loader_dri3_helper.c
View file

@ -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);
/*