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#include "Fifo.hpp"
#include "Compositor.hpp"
#include "core/Compositor.hpp"
#include "../helpers/Monitor.hpp"
#include "../event/EventBus.hpp"
CFifoResource::CFifoResource(UP<CWpFifoV1>&& resource_, SP<CWLSurfaceResource> surface) : m_resource(std::move(resource_)), m_surface(surface) {
if UNLIKELY (!m_resource->resource())
return;
m_resource->setData(this);
m_resource->setDestroy([this](CWpFifoV1* r) { PROTO::fifo->destroyResource(this); });
m_resource->setOnDestroy([this](CWpFifoV1* r) { PROTO::fifo->destroyResource(this); });
m_resource->setSetBarrier([this](CWpFifoV1* r) {
if (!m_surface) {
r->error(WP_FIFO_V1_ERROR_SURFACE_DESTROYED, "Surface was gone");
return;
}
m_surface->m_pending.barrierSet = true;
m_surface->m_pending.updated.bits.fifo = true;
});
m_resource->setWaitBarrier([this](CWpFifoV1* r) {
if (!m_surface) {
r->error(WP_FIFO_V1_ERROR_SURFACE_DESTROYED, "Surface was gone");
return;
}
if (!m_surface->m_current.barrierSet) {
// that might mean an empty commit with a barrier_set alone
static const auto PPEND = CConfigValue<Config::INTEGER>("debug:fifo_pending_workaround");
if (!m_surface->m_pending.fifoScheduled)
m_surface->m_pending.fifoScheduled = checkMonitors(*PPEND);
return;
}
m_surface->m_pending.surfaceLocked = true;
});
m_listeners.surfaceStateCommit = m_surface->m_events.stateCommit.listen([this](auto state) {
if (!state || !state->surfaceLocked)
return;
static const auto PPEND = CConfigValue<Config::INTEGER>("debug:fifo_pending_workaround");
//#TODO:
// this feels wrong, but if we have no pending frames, presented might never come because
// we are waiting on the barrier to unlock and no damage is around.
// unlock on timeout instead?
if (!state->fifoScheduled)
state->fifoScheduled = checkMonitors(*PPEND);
if (!state->fifoScheduled)
return;
// only lock once its mapped.
if (m_surface->m_mapped)
m_surface->m_stateQueue.lock(state, LOCK_REASON_FIFO);
});
}
CFifoResource::~CFifoResource() {
;
}
bool CFifoResource::good() {
return m_resource->resource();
}
void CFifoResource::presented() {
m_surface->m_current.barrierSet = false;
m_surface->m_stateQueue.unlockFirst(LOCK_REASON_FIFO);
}
bool CFifoResource::checkMonitors(bool needsSchedule) {
if (m_surface->m_enteredOutputs.empty() && m_surface->m_hlSurface) {
for (auto& m : g_pCompositor->m_monitors) {
if (!m || !m->m_enabled)
continue;
auto box = m_surface->m_hlSurface->getSurfaceBoxGlobal();
if (box && !box->intersection({m->m_position, m->m_size}).empty()) {
if (m->m_tearingState.activelyTearing)
return false; // dont fifo lock on tearing.
if (needsSchedule)
g_pCompositor->scheduleFrameForMonitor(m, Aquamarine::IOutput::AQ_SCHEDULE_NEEDS_FRAME);
}
}
} else {
for (auto& m : m_surface->m_enteredOutputs) {
if (!m)
continue;
if (m->m_tearingState.activelyTearing)
return false; // dont fifo lock on tearing.
if (needsSchedule)
g_pCompositor->scheduleFrameForMonitor(m.lock(), Aquamarine::IOutput::AQ_SCHEDULE_NEEDS_FRAME);
}
}
return true;
}
CFifoManagerResource::CFifoManagerResource(UP<CWpFifoManagerV1>&& resource_) : m_resource(std::move(resource_)) {
if UNLIKELY (!m_resource->resource())
return;
m_resource->setDestroy([this](CWpFifoManagerV1* r) { PROTO::fifo->destroyResource(this); });
m_resource->setOnDestroy([this](CWpFifoManagerV1* r) { PROTO::fifo->destroyResource(this); });
m_resource->setGetFifo([](CWpFifoManagerV1* r, uint32_t id, wl_resource* surfResource) {
if (!surfResource) {
r->error(-1, "No resource for fifo");
return;
}
auto surf = CWLSurfaceResource::fromResource(surfResource);
if (!surf) {
r->error(-1, "No surface for fifo");
return;
}
if (surf->m_fifo) {
r->error(WP_FIFO_MANAGER_V1_ERROR_ALREADY_EXISTS, "Surface already has a fifo");
return;
}
const auto& RESOURCE = PROTO::fifo->m_fifos.emplace_back(makeUnique<CFifoResource>(makeUnique<CWpFifoV1>(r->client(), r->version(), id), surf));
if (!RESOURCE->good()) {
r->noMemory();
PROTO::fifo->m_fifos.pop_back();
return;
}
surf->m_fifo = RESOURCE;
LOGM(Log::DEBUG, "New fifo at {:x} for surface {:x}", (uintptr_t)RESOURCE, (uintptr_t)surf.get());
});
}
CFifoManagerResource::~CFifoManagerResource() {
;
}
bool CFifoManagerResource::good() {
return m_resource->resource();
}
CFifoProtocol::CFifoProtocol(const wl_interface* iface, const int& ver, const std::string& name) : IWaylandProtocol(iface, ver, name) {
static auto P = Event::bus()->m_events.monitor.added.listen([this](PHLMONITOR M) {
M->m_events.presented.listenStatic([this, m = PHLMONITORREF{M}]() {
if (!m || !PROTO::fifo)
return;
onMonitorPresent(m.lock());
});
});
}
void CFifoProtocol::bindManager(wl_client* client, void* data, uint32_t ver, uint32_t id) {
const auto RESOURCE = m_managers.emplace_back(makeUnique<CFifoManagerResource>(makeUnique<CWpFifoManagerV1>(client, ver, id))).get();
if (!RESOURCE->good()) {
wl_client_post_no_memory(client);
m_managers.pop_back();
return;
}
}
void CFifoProtocol::destroyResource(CFifoManagerResource* res) {
std::erase_if(m_managers, [&](const auto& other) { return other.get() == res; });
}
void CFifoProtocol::destroyResource(CFifoResource* res) {
std::erase_if(m_fifos, [&](const auto& other) { return other.get() == res; });
}
void CFifoProtocol::onMonitorPresent(PHLMONITOR m) {
if (m->m_tearingState.activelyTearing)
return; // fifo isnt locked on tearing.
for (const auto& fifo : m_fifos) {
if (!fifo->m_surface)
continue;
if (!fifo->m_surface->m_mapped) {
fifo->presented();
continue;
}
auto it = std::ranges::find_if(fifo->m_surface->m_enteredOutputs, [m](auto& mon) { return mon == m; });
if (it != fifo->m_surface->m_enteredOutputs.end()) {
fifo->presented();
continue;
}
if (fifo->m_surface->m_hlSurface) {
auto box = fifo->m_surface->m_hlSurface->getSurfaceBoxGlobal();
if (box && !box->intersection({m->m_position, m->m_size}).empty()) {
fifo->presented();
continue;
}
}
}
}
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