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author | Simon Ser <contact@emersion.fr> | 2021-10-26 10:31:36 +0200 |
---|---|---|
committer | Simon Zeni <simon@bl4ckb0ne.ca> | 2021-10-26 07:01:34 -0600 |
commit | bf42630d321c85a179d910fce47d61b32a7399d2 (patch) | |
tree | 155cc786eba79aaef7ea20d3e35e9347249da75b | |
parent | 3d6ca9942db43ca182d91b115597a4ca7f367eef (diff) |
output: refuse to enable with zero mode
This can happen if the compositor enables an output without
picking a mode, or performs a modeset with a zero width/height.
-rw-r--r-- | types/output/output.c | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/types/output/output.c b/types/output/output.c index 0b431733..9222459c 100644 --- a/types/output/output.c +++ b/types/output/output.c @@ -547,6 +547,16 @@ static bool output_basic_test(struct wlr_output *output) { enabled = output->pending.enabled; } + if (enabled && (output->pending.committed & (WLR_OUTPUT_STATE_ENABLED | + WLR_OUTPUT_STATE_MODE))) { + int pending_width, pending_height; + output_pending_resolution(output, &pending_width, &pending_height); + if (pending_width == 0 || pending_height == 0) { + wlr_log(WLR_DEBUG, "Tried to enable an output with a zero mode"); + return false; + } + } + if (!enabled && output->pending.committed & WLR_OUTPUT_STATE_BUFFER) { wlr_log(WLR_DEBUG, "Tried to commit a buffer on a disabled output"); return false; |