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output: allow modeset with buffer while frame is pending

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Closes: https://gitlab.freedesktop.org/wlroots/wlroots/-/issues/3600
This commit is contained in:
Simon Ser 2023-02-26 18:42:31 +01:00
parent ab7eabac84
commit 5079000e49
1 changed files with 4 additions and 1 deletions
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5
types/output/output.c
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@ -576,7 +576,10 @@ static uint32_t output_compare_state(struct wlr_output *output,
static bool output_basic_test(struct wlr_output *output,
const struct wlr_output_state *state) {
if (state->committed & WLR_OUTPUT_STATE_BUFFER) {
if (output->frame_pending) {
// Modesets will block for the previous frame to complete. Regular
// page-flips are non-blocking and require the compositor to wait.
if (output->frame_pending &&
!(state->committed & (WLR_OUTPUT_STATE_ENABLED | WLR_OUTPUT_STATE_MODE))) {
wlr_log(WLR_DEBUG, "Tried to commit a buffer while a frame is pending");
return false;
}