diff options
Diffstat (limited to 'src/wayland/buffer.c')
| -rw-r--r-- | src/wayland/buffer.c | 7 |
1 files changed, 3 insertions, 4 deletions
diff --git a/src/wayland/buffer.c b/src/wayland/buffer.c index 0d639e6..0b6b028 100644 --- a/src/wayland/buffer.c +++ b/src/wayland/buffer.c @@ -305,10 +305,11 @@ static void arm_frame(struct yasl_surface *w) } } -static const int8_t free_buf_lut[3][8] = { +static const int8_t free_buf_lut[4][8] = { [0] = { 1, 1, 2, 2, 1, 1, 0, -1 }, [1] = { 0, 2, 0, 2, 0, 1, 0, -1 }, [2] = { 0, 1, 0, 2, 0, 1, 0, -1 }, + [3] = { 0, 1, 0, 2, 0, 1, 0, -1 }, }; int buffer_pick_free_index(const struct buffer *bufs, int cur) @@ -316,9 +317,7 @@ int buffer_pick_free_index(const struct buffer *bufs, int cur) unsigned busy = ((unsigned)bufs[0].busy) | (((unsigned)bufs[1].busy) << 1) | (((unsigned)bufs[2].busy) << 2); - unsigned c = (unsigned)cur; - if (unlikely(c >= 3)) c = 0; - return free_buf_lut[c][busy]; + return free_buf_lut[(unsigned)cur & 3][busy]; } struct latency_feedback { |