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Don't busy loop during wlgrab capture

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This commit is contained in:
Cameron Gutman
2024-01-03 16:08:46 -06:00
parent e1771de37a
commit 3adf9e5967
3 changed files with 40 additions and 3 deletions
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6
src/platform/linux/wlgrab.cpp
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@@ -87,11 +87,11 @@ namespace wl {
snapshot(const pull_free_image_cb_t &pull_free_image_cb, std::shared_ptr<platf::img_t> &img_out, std::chrono::milliseconds timeout, bool cursor) {
auto to = std::chrono::steady_clock::now() + timeout;
// Dispatch events until we get a new frame or the timeout expires
dmabuf.listen(interface.dmabuf_manager, output, cursor);
do {
display.roundtrip();
if (to < std::chrono::steady_clock::now()) {
auto remaining_time_ms = std::chrono::duration_cast<std::chrono::milliseconds>(to - std::chrono::steady_clock::now());
if (remaining_time_ms.count() < 0 || !display.dispatch(remaining_time_ms)) {
return platf::capture_e::timeout;
}
} while (dmabuf.status == dmabuf_t::WAITING);