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#include "DRMSyncobj.hpp"
#include <algorithm>
#include "core/Compositor.hpp"
#include "../helpers/sync/SyncTimeline.hpp"
#include "../Compositor.hpp"
#include <fcntl.h>
CDRMSyncobjSurfaceResource::CDRMSyncobjSurfaceResource(SP<CWpLinuxDrmSyncobjSurfaceV1> resource_, SP<CWLSurfaceResource> surface_) : surface(surface_), resource(resource_) {
if (!good())
return;
resource->setData(this);
resource->setOnDestroy([this](CWpLinuxDrmSyncobjSurfaceV1* r) { PROTO::sync->destroyResource(this); });
resource->setDestroy([this](CWpLinuxDrmSyncobjSurfaceV1* r) { PROTO::sync->destroyResource(this); });
resource->setSetAcquirePoint([this](CWpLinuxDrmSyncobjSurfaceV1* r, wl_resource* timeline_, uint32_t hi, uint32_t lo) {
if (!surface) {
resource->error(WP_LINUX_DRM_SYNCOBJ_SURFACE_V1_ERROR_NO_SURFACE, "Surface is gone");
return;
}
auto timeline = CDRMSyncobjTimelineResource::fromResource(timeline_);
pending.acquireTimeline = timeline;
pending.acquirePoint = ((uint64_t)hi << 32) | (uint64_t)lo;
});
resource->setSetReleasePoint([this](CWpLinuxDrmSyncobjSurfaceV1* r, wl_resource* timeline_, uint32_t hi, uint32_t lo) {
if (!surface) {
resource->error(WP_LINUX_DRM_SYNCOBJ_SURFACE_V1_ERROR_NO_SURFACE, "Surface is gone");
return;
}
auto timeline = CDRMSyncobjTimelineResource::fromResource(timeline_);
pending.releaseTimeline = timeline;
pending.releasePoint = ((uint64_t)hi << 32) | (uint64_t)lo;
});
listeners.surfacePrecommit = surface->events.precommit.registerListener([this](std::any d) {
if ((pending.acquireTimeline || pending.releaseTimeline) && !surface->pending.texture) {
resource->error(WP_LINUX_DRM_SYNCOBJ_SURFACE_V1_ERROR_NO_BUFFER, "Missing buffer");
surface->pending.rejected = true;
return;
}
if (!surface->pending.newBuffer)
return; // this commit does not change the state here
if (!!pending.acquireTimeline != !!pending.releaseTimeline) {
resource->error(pending.acquireTimeline ? WP_LINUX_DRM_SYNCOBJ_SURFACE_V1_ERROR_NO_RELEASE_POINT : WP_LINUX_DRM_SYNCOBJ_SURFACE_V1_ERROR_NO_ACQUIRE_POINT,
"Missing timeline");
surface->pending.rejected = true;
return;
}
if (pending.acquireTimeline && pending.releaseTimeline && pending.acquireTimeline == pending.releaseTimeline) {
if (pending.acquirePoint >= pending.releasePoint) {
resource->error(WP_LINUX_DRM_SYNCOBJ_SURFACE_V1_ERROR_CONFLICTING_POINTS, "Acquire and release points are on the same timeline, and acquire >= release");
surface->pending.rejected = true;
return;
}
}
// wait for the acquire timeline to materialize
auto materialized = pending.acquireTimeline->timeline->check(pending.acquirePoint, DRM_SYNCOBJ_WAIT_FLAGS_WAIT_AVAILABLE);
if (!materialized.has_value()) {
LOGM(ERR, "Failed to check the acquire timeline");
resource->noMemory();
return;
}
if (materialized)
return;
surface->lockPendingState();
pending.acquireTimeline->timeline->addWaiter([this]() { surface->unlockPendingState(); }, pending.acquirePoint, DRM_SYNCOBJ_WAIT_FLAGS_WAIT_AVAILABLE);
});
listeners.surfaceCommit = surface->events.roleCommit.registerListener([this](std::any d) {
// apply timelines if new ones have been attached, otherwise don't touch
// the current ones
if (pending.releaseTimeline) {
current.releaseTimeline = pending.releaseTimeline;
current.releasePoint = pending.releasePoint;
}
if (pending.acquireTimeline) {
current.acquireTimeline = pending.acquireTimeline;
current.acquirePoint = pending.acquirePoint;
}
pending.releaseTimeline.reset();
pending.acquireTimeline.reset();
});
}
bool CDRMSyncobjSurfaceResource::good() {
return resource->resource();
}
CDRMSyncobjTimelineResource::CDRMSyncobjTimelineResource(SP<CWpLinuxDrmSyncobjTimelineV1> resource_, int fd_) : fd(fd_), resource(resource_) {
if (!good())
return;
resource->setData(this);
resource->setOnDestroy([this](CWpLinuxDrmSyncobjTimelineV1* r) { PROTO::sync->destroyResource(this); });
resource->setDestroy([this](CWpLinuxDrmSyncobjTimelineV1* r) { PROTO::sync->destroyResource(this); });
timeline = CSyncTimeline::create(PROTO::sync->drmFD, fd);
if (!timeline) {
resource->error(WP_LINUX_DRM_SYNCOBJ_MANAGER_V1_ERROR_INVALID_TIMELINE, "Timeline failed importing");
return;
}
}
CDRMSyncobjTimelineResource::~CDRMSyncobjTimelineResource() {
if (fd >= 0)
close(fd);
}
SP<CDRMSyncobjTimelineResource> CDRMSyncobjTimelineResource::fromResource(wl_resource* res) {
auto data = (CDRMSyncobjTimelineResource*)(((CWpLinuxDrmSyncobjTimelineV1*)wl_resource_get_user_data(res))->data());
return data ? data->self.lock() : nullptr;
}
bool CDRMSyncobjTimelineResource::good() {
return resource->resource();
}
CDRMSyncobjManagerResource::CDRMSyncobjManagerResource(SP<CWpLinuxDrmSyncobjManagerV1> resource_) : resource(resource_) {
if (!good())
return;
resource->setOnDestroy([this](CWpLinuxDrmSyncobjManagerV1* r) { PROTO::sync->destroyResource(this); });
resource->setDestroy([this](CWpLinuxDrmSyncobjManagerV1* r) { PROTO::sync->destroyResource(this); });
resource->setGetSurface([this](CWpLinuxDrmSyncobjManagerV1* r, uint32_t id, wl_resource* surf) {
if (!surf) {
resource->error(-1, "Invalid surface");
return;
}
auto SURF = CWLSurfaceResource::fromResource(surf);
if (!SURF) {
resource->error(-1, "Invalid surface (2)");
return;
}
if (SURF->syncobj) {
resource->error(WP_LINUX_DRM_SYNCOBJ_MANAGER_V1_ERROR_SURFACE_EXISTS, "Surface already has a syncobj attached");
return;
}
auto RESOURCE = makeShared<CDRMSyncobjSurfaceResource>(makeShared<CWpLinuxDrmSyncobjSurfaceV1>(resource->client(), resource->version(), id), SURF);
if (!RESOURCE->good()) {
resource->noMemory();
return;
}
PROTO::sync->m_vSurfaces.emplace_back(RESOURCE);
SURF->syncobj = RESOURCE;
LOGM(LOG, "New linux_syncobj at {:x} for surface {:x}", (uintptr_t)RESOURCE.get(), (uintptr_t)SURF.get());
});
resource->setImportTimeline([this](CWpLinuxDrmSyncobjManagerV1* r, uint32_t id, int32_t fd) {
auto RESOURCE = makeShared<CDRMSyncobjTimelineResource>(makeShared<CWpLinuxDrmSyncobjTimelineV1>(resource->client(), resource->version(), id), fd);
if (!RESOURCE->good()) {
resource->noMemory();
return;
}
PROTO::sync->m_vTimelines.emplace_back(RESOURCE);
RESOURCE->self = RESOURCE;
LOGM(LOG, "New linux_drm_timeline at {:x}", (uintptr_t)RESOURCE.get());
});
}
bool CDRMSyncobjManagerResource::good() {
return resource->resource();
}
CDRMSyncobjProtocol::CDRMSyncobjProtocol(const wl_interface* iface, const int& ver, const std::string& name) : IWaylandProtocol(iface, ver, name) {
drmFD = g_pCompositor->m_iDRMFD;
}
void CDRMSyncobjProtocol::bindManager(wl_client* client, void* data, uint32_t ver, uint32_t id) {
const auto RESOURCE = m_vManagers.emplace_back(makeShared<CDRMSyncobjManagerResource>(makeShared<CWpLinuxDrmSyncobjManagerV1>(client, ver, id)));
if (!RESOURCE->good()) {
wl_client_post_no_memory(client);
m_vManagers.pop_back();
return;
}
}
void CDRMSyncobjProtocol::destroyResource(CDRMSyncobjManagerResource* resource) {
std::erase_if(m_vManagers, [resource](const auto& e) { return e.get() == resource; });
}
void CDRMSyncobjProtocol::destroyResource(CDRMSyncobjTimelineResource* resource) {
std::erase_if(m_vTimelines, [resource](const auto& e) { return e.get() == resource; });
}
void CDRMSyncobjProtocol::destroyResource(CDRMSyncobjSurfaceResource* resource) {
std::erase_if(m_vSurfaces, [resource](const auto& e) { return e.get() == resource; });
}
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