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renderer: Explicit sync fixes (#7151) 

Enables explicit sync by default for most platforms

`misc:no_direct_scanout` -> `render:direct_scanout`
This commit is contained in:
Vaxry 2024-08-06 14:52:19 +01:00 committed by GitHub
parent 0e86808e59
commit 640d161851
No known key found for this signature in database
GPG Key ID: B5690EEEBB952194
24 changed files with 378 additions and 165 deletions
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4
src/Compositor.cpp
View File

@ -2282,7 +2282,7 @@ void CCompositor::setWindowFullscreenClient(const PHLWINDOW PWINDOW, const eFull
}
void CCompositor::setWindowFullscreenState(const PHLWINDOW PWINDOW, sFullscreenState state) {
static auto PNODIRECTSCANOUT = CConfigValue<Hyprlang::INT>("misc:no_direct_scanout");
static auto PDIRECTSCANOUT = CConfigValue<Hyprlang::INT>("render:direct_scanout");
if (!validMapped(PWINDOW) || g_pCompositor->m_bUnsafeState)
return;
@ -2342,7 +2342,7 @@ void CCompositor::setWindowFullscreenState(const PHLWINDOW PWINDOW, sFullscreenS
// send a scanout tranche if we are entering fullscreen, and send a regular one if we aren't.
// ignore if DS is disabled.
if (!*PNODIRECTSCANOUT)
if (*PDIRECTSCANOUT)
g_pHyprRenderer->setSurfaceScanoutMode(PWINDOW->m_pWLSurface->resource(), EFFECTIVE_MODE != FSMODE_NONE ? PMONITOR->self.lock() : nullptr);
g_pConfigManager->ensureVRR(PMONITOR);

17
src/config/ConfigManager.cpp
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@ -3,6 +3,7 @@
#include "../render/decorations/CHyprGroupBarDecoration.hpp"
#include "config/ConfigDataValues.hpp"
#include "config/ConfigValue.hpp"
#include "helpers/varlist/VarList.hpp"
#include "../protocols/LayerShell.hpp"
@ -346,7 +347,6 @@ CConfigManager::CConfigManager() {
m_pConfig->addConfigValue("misc:swallow_regex", {STRVAL_EMPTY});
m_pConfig->addConfigValue("misc:swallow_exception_regex", {STRVAL_EMPTY});
m_pConfig->addConfigValue("misc:focus_on_activate", Hyprlang::INT{0});
m_pConfig->addConfigValue("misc:no_direct_scanout", Hyprlang::INT{1});
m_pConfig->addConfigValue("misc:mouse_move_focuses_monitor", Hyprlang::INT{1});
m_pConfig->addConfigValue("misc:render_ahead_of_time", Hyprlang::INT{0});
m_pConfig->addConfigValue("misc:render_ahead_safezone", Hyprlang::INT{1});
@ -560,7 +560,9 @@ CConfigManager::CConfigManager() {
m_pConfig->addConfigValue("group:groupbar:col.locked_active", Hyprlang::CConfigCustomValueType{&configHandleGradientSet, configHandleGradientDestroy, "0x66ff5500"});
m_pConfig->addConfigValue("group:groupbar:col.locked_inactive", Hyprlang::CConfigCustomValueType{&configHandleGradientSet, configHandleGradientDestroy, "0x66775500"});
m_pConfig->addConfigValue("experimental:explicit_sync", Hyprlang::INT{0});
m_pConfig->addConfigValue("render:explicit_sync", Hyprlang::INT{2});
m_pConfig->addConfigValue("render:explicit_sync_kms", Hyprlang::INT{2});
m_pConfig->addConfigValue("render:direct_scanout", Hyprlang::INT{0});
// devices
m_pConfig->addSpecialCategory("device", {"name"});
@ -798,6 +800,9 @@ std::optional<std::string> CConfigManager::resetHLConfig() {
}
void CConfigManager::postConfigReload(const Hyprlang::CParseResult& result) {
static const auto PENABLEEXPLICIT = CConfigValue<Hyprlang::INT>("render:explicit_sync");
static int prevEnabledExplicit = *PENABLEEXPLICIT;
for (auto& w : g_pCompositor->m_vWindows) {
w->uncacheWindowDecos();
}
@ -816,6 +821,9 @@ void CConfigManager::postConfigReload(const Hyprlang::CParseResult& result) {
if (!isFirstLaunch)
g_pHyprOpenGL->m_bReloadScreenShader = true;
if (!isFirstLaunch && *PENABLEEXPLICIT != prevEnabledExplicit)
g_pHyprError->queueCreate("Warning: You changed the render:explicit_sync option, this requires you to restart Hyprland.", CColor(0.9, 0.76, 0.221, 1.0));
// parseError will be displayed next frame
if (result.error)
@ -1417,7 +1425,7 @@ void CConfigManager::ensureVRR(CMonitor* pMonitor) {
if (USEVRR == 0) {
if (m->vrrActive) {
m->output->state->resetExplicitFences();
m->output->state->setAdaptiveSync(false);
if (!m->state.commit())
@ -1427,6 +1435,7 @@ void CConfigManager::ensureVRR(CMonitor* pMonitor) {
return;
} else if (USEVRR == 1) {
if (!m->vrrActive) {
m->output->state->resetExplicitFences();
m->output->state->setAdaptiveSync(true);
if (!m->state.test()) {
@ -1451,6 +1460,7 @@ void CConfigManager::ensureVRR(CMonitor* pMonitor) {
const auto WORKSPACEFULL = PWORKSPACE->m_bHasFullscreenWindow && (PWORKSPACE->m_efFullscreenMode & FSMODE_FULLSCREEN);
if (WORKSPACEFULL) {
m->output->state->resetExplicitFences();
m->output->state->setAdaptiveSync(true);
if (!m->state.test()) {
@ -1462,6 +1472,7 @@ void CConfigManager::ensureVRR(CMonitor* pMonitor) {
Debug::log(ERR, "Couldn't commit output {} in ensureVRR -> true", m->output->name);
} else if (!WORKSPACEFULL) {
m->output->state->resetExplicitFences();
m->output->state->setAdaptiveSync(false);
if (!m->state.commit())

64
src/helpers/Monitor.cpp
View File

@ -1,6 +1,8 @@
#include "Monitor.hpp"
#include "MiscFunctions.hpp"
#include "math/Math.hpp"
#include "sync/SyncReleaser.hpp"
#include "ScopeGuard.hpp"
#include "../Compositor.hpp"
#include "../config/ConfigValue.hpp"
#include "../protocols/GammaControl.hpp"
@ -8,6 +10,7 @@
#include "../protocols/LayerShell.hpp"
#include "../protocols/PresentationTime.hpp"
#include "../protocols/DRMLease.hpp"
#include "../protocols/DRMSyncobj.hpp"
#include "../protocols/core/Output.hpp"
#include "../managers/PointerManager.hpp"
#include "../protocols/core/Compositor.hpp"
@ -77,6 +80,7 @@ void CMonitor::onConnect(bool noRule) {
tearingState.canTear = output->getBackend()->type() == Aquamarine::AQ_BACKEND_DRM;
if (m_bEnabled) {
output->state->resetExplicitFences();
output->state->setEnabled(true);
state.commit();
return;
@ -101,6 +105,7 @@ void CMonitor::onConnect(bool noRule) {
// if it's disabled, disable and ignore
if (monitorRule.disabled) {
output->state->resetExplicitFences();
output->state->setEnabled(false);
if (!state.commit())
@ -137,6 +142,7 @@ void CMonitor::onConnect(bool noRule) {
m_bEnabled = true;
output->state->resetExplicitFences();
output->state->setEnabled(true);
// set mode, also applies
@ -300,6 +306,7 @@ void CMonitor::onDisconnect(bool destroy) {
activeWorkspace->m_bVisible = false;
activeWorkspace.reset();
output->state->resetExplicitFences();
output->state->setEnabled(false);
if (!state.commit())
@ -808,28 +815,77 @@ bool CMonitor::attemptDirectScanout() {
if (!PSURFACE->current.buffer || !PSURFACE->current.texture || !PSURFACE->current.texture->m_pEglImage /* dmabuf */)
return false;
Debug::log(TRACE, "attemptDirectScanout: surface {:x} passed, will attempt", (uintptr_t)PSURFACE.get());
// FIXME: make sure the buffer actually follows the available scanout dmabuf formats
// and comes from the appropriate device. This may implode on multi-gpu!!
output->state->setBuffer(PSURFACE->current.buffer->buffer.lock());
output->state->setPresentationMode(tearingState.activelyTearing ? Aquamarine::eOutputPresentationMode::AQ_OUTPUT_PRESENTATION_IMMEDIATE :
Aquamarine::eOutputPresentationMode::AQ_OUTPUT_PRESENTATION_VSYNC);
if (!state.test())
if (!state.test()) {
Debug::log(TRACE, "attemptDirectScanout: failed basic test");
return false;
}
auto explicitOptions = g_pHyprRenderer->getExplicitSyncSettings();
// wait for the explicit fence if present, and if kms explicit is allowed
bool DOEXPLICIT = PSURFACE->syncobj && PSURFACE->syncobj->current.acquireTimeline && PSURFACE->syncobj->current.acquireTimeline->timeline && explicitOptions.explicitKMSEnabled;
int explicitWaitFD = -1;
if (DOEXPLICIT) {
explicitWaitFD = PSURFACE->syncobj->current.acquireTimeline->timeline->exportAsSyncFileFD(PSURFACE->syncobj->current.acquirePoint);
if (explicitWaitFD < 0)
Debug::log(TRACE, "attemptDirectScanout: failed to acquire an explicit wait fd");
}
DOEXPLICIT = DOEXPLICIT && explicitWaitFD >= 0;
auto cleanup = CScopeGuard([explicitWaitFD, this]() {
output->state->resetExplicitFences();
if (explicitWaitFD >= 0)
close(explicitWaitFD);
});
timespec now;
clock_gettime(CLOCK_MONOTONIC, &now);
Debug::log(TRACE, "presentFeedback for DS");
PSURFACE->presentFeedback(&now, this, true);
PSURFACE->presentFeedback(&now, this);
output->state->addDamage(CBox{{}, vecPixelSize});
output->state->resetExplicitFences();
if (state.commit()) {
if (DOEXPLICIT) {
Debug::log(TRACE, "attemptDirectScanout: setting IN_FENCE for aq to {}", explicitWaitFD);
output->state->setExplicitInFence(explicitWaitFD);
}
bool ok = output->commit();
if (!ok && DOEXPLICIT) {
Debug::log(TRACE, "attemptDirectScanout: EXPLICIT SYNC FAILED: commit() returned false. Resetting fences and retrying, might result in glitches.");
output->state->resetExplicitFences();
ok = output->commit();
}
if (ok) {
if (lastScanout.expired()) {
lastScanout = PCANDIDATE;
Debug::log(LOG, "Entered a direct scanout to {:x}: \"{}\"", (uintptr_t)PCANDIDATE.get(), PCANDIDATE->m_szTitle);
}
// delay explicit sync feedback until kms release of the buffer
if (DOEXPLICIT) {
Debug::log(TRACE, "attemptDirectScanout: Delaying explicit sync release feedback until kms release");
PSURFACE->current.buffer->releaser->drop();
PSURFACE->current.buffer->buffer->hlEvents.backendRelease2 = PSURFACE->current.buffer->buffer->events.backendRelease.registerListener([PSURFACE](std::any d) {
const bool DOEXPLICIT = PSURFACE->syncobj && PSURFACE->syncobj->current.releaseTimeline && PSURFACE->syncobj->current.releaseTimeline->timeline;
if (DOEXPLICIT)
PSURFACE->syncobj->current.releaseTimeline->timeline->signal(PSURFACE->syncobj->current.releasePoint);
});
}
} else {
Debug::log(TRACE, "attemptDirectScanout: failed to scanout surface");
lastScanout.reset();
return false;
}

1
src/helpers/Monitor.hpp
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@ -121,7 +121,6 @@ class CMonitor {
// explicit sync
SP<CSyncTimeline> inTimeline;
SP<CSyncTimeline> outTimeline;
uint64_t lastWaitPoint = 0;
uint64_t commitSeq = 0;
WP<CMonitor> self;

10
src/helpers/ScopeGuard.cpp Normal file
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@ -0,0 +1,10 @@
#include "ScopeGuard.hpp"
CScopeGuard::CScopeGuard(const std::function<void()>& fn_) : fn(fn_) {
;
}
CScopeGuard::~CScopeGuard() {
if (fn)
fn();
}

13
src/helpers/ScopeGuard.hpp Normal file
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@ -0,0 +1,13 @@
#pragma once
#include <functional>
// calls a function when it goes out of scope
class CScopeGuard {
public:
CScopeGuard(const std::function<void()>& fn_);
~CScopeGuard();
private:
std::function<void()> fn;
};

25
src/helpers/sync/SyncReleaser.cpp Normal file
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@ -0,0 +1,25 @@
#include "SyncReleaser.hpp"
#include "SyncTimeline.hpp"
#include "../../render/OpenGL.hpp"
CSyncReleaser::CSyncReleaser(WP<CSyncTimeline> timeline_, uint64_t point_) : timeline(timeline_), point(point_) {
;
}
CSyncReleaser::~CSyncReleaser() {
if (timeline.expired())
return;
if (sync)
timeline->importFromSyncFileFD(point, sync->fd());
else
timeline->signal(point);
}
void CSyncReleaser::addReleaseSync(SP<CEGLSync> sync_) {
sync = sync_;
}
void CSyncReleaser::drop() {
timeline.reset();
}

31
src/helpers/sync/SyncReleaser.hpp Normal file
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@ -0,0 +1,31 @@
#pragma once
#include <cstdint>
#include <optional>
#include <vector>
#include <functional>
#include "../memory/Memory.hpp"
/*
A helper (inspired by KDE's KWin) that will release the timeline point in the dtor
*/
class CSyncTimeline;
class CEGLSync;
class CSyncReleaser {
public:
CSyncReleaser(WP<CSyncTimeline> timeline_, uint64_t point_);
~CSyncReleaser();
// drops the releaser, will never signal anymore
void drop();
// wait for this gpu job to finish before releasing
void addReleaseSync(SP<CEGLSync> sync);
private:
WP<CSyncTimeline> timeline;
uint64_t point = 0;
SP<CEGLSync> sync;
};

5
src/helpers/sync/SyncTimeline.cpp
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@ -188,3 +188,8 @@ bool CSyncTimeline::transfer(SP<CSyncTimeline> from, uint64_t fromPoint, uint64_
return true;
}
void CSyncTimeline::signal(uint64_t point) {
if (drmSyncobjTimelineSignal(drmFD, &handle, &point, 1))
Debug::log(ERR, "CSyncTimeline::signal: drmSyncobjTimelineSignal failed");
}

1
src/helpers/sync/SyncTimeline.hpp
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@ -35,6 +35,7 @@ class CSyncTimeline {
int exportAsSyncFileFD(uint64_t src);
bool importFromSyncFileFD(uint64_t dst, int fd);
bool transfer(SP<CSyncTimeline> from, uint64_t fromPoint, uint64_t toPoint);
void signal(uint64_t point);
int drmFD = -1;
uint32_t handle = 0;

1
src/managers/KeybindManager.cpp
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@ -2293,6 +2293,7 @@ void CKeybindManager::dpms(std::string arg) {
if (!port.empty() && m->szName != port)
continue;
m->output->state->resetExplicitFences();
m->output->state->setEnabled(enable);
m->dpmsStatus = enable;

2
src/managers/ProtocolManager.cpp
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@ -76,7 +76,7 @@ void CProtocolManager::onMonitorModeChange(CMonitor* pMonitor) {
CProtocolManager::CProtocolManager() {
static const auto PENABLEEXPLICIT = CConfigValue<Hyprlang::INT>("experimental:explicit_sync");
static const auto PENABLEEXPLICIT = CConfigValue<Hyprlang::INT>("render:explicit_sync");
// Outputs are a bit dumb, we have to agree.
static auto P = g_pHookSystem->hookDynamic("monitorAdded", [this](void* self, SCallbackInfo& info, std::any param) {

49
src/protocols/DRMSyncobj.cpp
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@ -25,8 +25,8 @@ CDRMSyncobjSurfaceResource::CDRMSyncobjSurfaceResource(SP<CWpLinuxDrmSyncobjSurf
}
auto timeline = CDRMSyncobjTimelineResource::fromResource(timeline_);
acquireTimeline = timeline;
acquirePoint = ((uint64_t)hi << 32) | (uint64_t)lo;
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) {
@ -36,28 +36,32 @@ CDRMSyncobjSurfaceResource::CDRMSyncobjSurfaceResource(SP<CWpLinuxDrmSyncobjSurf
}
auto timeline = CDRMSyncobjTimelineResource::fromResource(timeline_);
releaseTimeline = timeline;
releasePoint = ((uint64_t)hi << 32) | (uint64_t)lo;
pending.releaseTimeline = timeline;
pending.releasePoint = ((uint64_t)hi << 32) | (uint64_t)lo;
});
listeners.surfacePrecommit = surface->events.precommit.registerListener([this](std::any d) {
if (!!acquireTimeline != !!releaseTimeline) {
resource->error(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 ((acquireTimeline || releaseTimeline) && !surface->pending.texture) {
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 (!acquireTimeline)
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)
return;
// wait for the acquire timeline to materialize
auto materialized = acquireTimeline->timeline->check(acquirePoint, DRM_SYNCOBJ_WAIT_FLAGS_WAIT_AVAILABLE);
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();
@ -68,7 +72,24 @@ CDRMSyncobjSurfaceResource::CDRMSyncobjSurfaceResource(SP<CWpLinuxDrmSyncobjSurf
return;
surface->lockPendingState();
acquireTimeline->timeline->addWaiter([this]() { surface->unlockPendingState(); }, acquirePoint, DRM_SYNCOBJ_WAIT_FLAGS_WAIT_AVAILABLE);
pending.acquireTimeline->timeline->addWaiter([this]() { surface->unlockPendingState(); }, pending.acquirePoint, DRM_SYNCOBJ_WAIT_FLAGS_WAIT_AVAILABLE);
});
listeners.surfaceCommit = surface->events.commit.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();
});
}

3
src/protocols/DRMSyncobj.hpp
View File

@ -17,14 +17,17 @@ class CDRMSyncobjSurfaceResource {
bool good();
WP<CWLSurfaceResource> surface;
struct {
WP<CDRMSyncobjTimelineResource> acquireTimeline, releaseTimeline;
uint64_t acquirePoint = 0, releasePoint = 0;
} current, pending;
private:
SP<CWpLinuxDrmSyncobjSurfaceV1> resource;
struct {
CHyprSignalListener surfacePrecommit;
CHyprSignalListener surfaceCommit;
} listeners;
};

15
src/protocols/core/Compositor.cpp
View File

@ -7,6 +7,7 @@
#include "Subcompositor.hpp"
#include "../Viewporter.hpp"
#include "../../helpers/Monitor.hpp"
#include "../../helpers/sync/SyncReleaser.hpp"
#include "../PresentationTime.hpp"
#include "../DRMSyncobj.hpp"
#include "../../render/Renderer.hpp"
@ -70,6 +71,7 @@ CWLSurfaceResource::CWLSurfaceResource(SP<CWlSurface> resource_) : resource(reso
resource->setAttach([this](CWlSurface* r, wl_resource* buffer, int32_t x, int32_t y) {
pending.offset = {x, y};
pending.newBuffer = true;
if (!buffer) {
pending.buffer.reset();
@ -428,6 +430,10 @@ void CWLSurfaceResource::commitPendingState() {
current = pending;
pending.damage.clear();
pending.bufferDamage.clear();
pending.newBuffer = false;
if (syncobj && syncobj->current.releaseTimeline && syncobj->current.releaseTimeline->timeline && current.buffer && current.buffer->buffer)
current.buffer->releaser = makeShared<CSyncReleaser>(syncobj->current.releaseTimeline->timeline, syncobj->current.releasePoint);
if (current.texture)
current.texture->m_eTransform = wlTransformToHyprutils(current.transform);
@ -501,23 +507,18 @@ void CWLSurfaceResource::updateCursorShm() {
memcpy(shmData.data(), pixelData, bufLen);
}
void CWLSurfaceResource::presentFeedback(timespec* when, CMonitor* pMonitor, bool needsExplicitSync) {
void CWLSurfaceResource::presentFeedback(timespec* when, CMonitor* pMonitor) {
frame(when);
auto FEEDBACK = makeShared<CQueuedPresentationData>(self.lock());
FEEDBACK->attachMonitor(pMonitor);
FEEDBACK->presented();
PROTO::presentation->queueData(FEEDBACK);
if (!pMonitor || !pMonitor->outTimeline || !syncobj || !needsExplicitSync)
if (!pMonitor || !pMonitor->outTimeline || !syncobj)
return;
// attach explicit sync
g_pHyprRenderer->explicitPresented.emplace_back(self.lock());
if (syncobj->acquirePoint > pMonitor->lastWaitPoint) {
Debug::log(TRACE, "presentFeedback lastWaitPoint {} -> {}", pMonitor->lastWaitPoint, syncobj->acquirePoint);
pMonitor->lastWaitPoint = syncobj->acquirePoint;
}
}
CWLCompositorResource::CWLCompositorResource(SP<CWlCompositor> resource_) : resource(resource_) {

3
src/protocols/core/Compositor.hpp
View File

@ -98,6 +98,7 @@ class CWLSurfaceResource {
CBox source;
} viewport;
bool rejected = false;
bool newBuffer = false;
//
void reset() {
@ -122,7 +123,7 @@ class CWLSurfaceResource {
void breadthfirst(std::function<void(SP<CWLSurfaceResource>, const Vector2D&, void*)> fn, void* data);
CRegion accumulateCurrentBufferDamage();
void presentFeedback(timespec* when, CMonitor* pMonitor, bool needsExplicitSync = false);
void presentFeedback(timespec* when, CMonitor* pMonitor);
void lockPendingState();
void unlockPendingState();

21
src/protocols/types/Buffer.cpp
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@ -9,11 +9,6 @@ void IHLBuffer::sendRelease() {
resource->sendRelease();
}
void IHLBuffer::sendReleaseWithSurface(SP<CWLSurfaceResource> surf) {
if (resource && resource->good())
resource->sendReleaseWithSurface(surf);
}
void IHLBuffer::lock() {
nLocks++;
}
@ -27,26 +22,13 @@ void IHLBuffer::unlock() {
sendRelease();
}
void IHLBuffer::unlockWithSurface(SP<CWLSurfaceResource> surf) {
nLocks--;
ASSERT(nLocks >= 0);
if (nLocks == 0)
sendReleaseWithSurface(surf);
}
bool IHLBuffer::locked() {
return nLocks > 0;
}
void IHLBuffer::unlockOnBufferRelease(WP<CWLSurfaceResource> surf) {
unlockSurface = surf;
hlEvents.backendRelease = events.backendRelease.registerListener([this](std::any data) {
if (unlockSurface.expired())
unlock();
else
unlockWithSurface(unlockSurface.lock());
hlEvents.backendRelease.reset();
});
}
@ -59,8 +41,5 @@ CHLBufferReference::~CHLBufferReference() {
if (buffer.expired())
return;
if (surface)
buffer->unlockWithSurface(surface.lock());
else
buffer->unlock();
}

8
src/protocols/types/Buffer.hpp
View File

@ -6,6 +6,8 @@
#include <aquamarine/buffer/Buffer.hpp>
class CSyncReleaser;
class IHLBuffer : public Aquamarine::IBuffer {
public:
virtual ~IHLBuffer();
@ -15,10 +17,8 @@ class IHLBuffer : public Aquamarine::IBuffer {
virtual bool isSynchronous() = 0; // whether the updates to this buffer are synchronous, aka happen over cpu
virtual bool good() = 0;
virtual void sendRelease();
virtual void sendReleaseWithSurface(SP<CWLSurfaceResource>);
virtual void lock();
virtual void unlock();
virtual void unlockWithSurface(SP<CWLSurfaceResource> surf);
virtual bool locked();
void unlockOnBufferRelease(WP<CWLSurfaceResource> surf /* optional */);
@ -29,12 +29,11 @@ class IHLBuffer : public Aquamarine::IBuffer {
struct {
CHyprSignalListener backendRelease;
CHyprSignalListener backendRelease2; // for explicit ds
} hlEvents;
private:
int nLocks = 0;
WP<CWLSurfaceResource> unlockSurface;
};
// for ref-counting. Releases in ~dtor
@ -45,6 +44,7 @@ class CHLBufferReference {
~CHLBufferReference();
WP<IHLBuffer> buffer;
SP<CSyncReleaser> releaser;
private:
WP<CWLSurfaceResource> surface;

10
src/protocols/types/WLBuffer.cpp
View File

@ -32,16 +32,6 @@ void CWLBufferResource::sendRelease() {
resource->sendRelease();
}
void CWLBufferResource::sendReleaseWithSurface(SP<CWLSurfaceResource> surf) {
sendRelease();
if (!surf || !surf->syncobj)
return;
if (drmSyncobjTimelineSignal(g_pCompositor->m_iDRMFD, &surf->syncobj->releaseTimeline->timeline->handle, &surf->syncobj->releasePoint, 1))
Debug::log(ERR, "sendReleaseWithSurface: drmSyncobjTimelineSignal failed");
}
wl_resource* CWLBufferResource::getResource() {
return resource->resource();
}

1
src/protocols/types/WLBuffer.hpp
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@ -17,7 +17,6 @@ class CWLBufferResource {
bool good();
void sendRelease();
void sendReleaseWithSurface(SP<CWLSurfaceResource>);
wl_resource* getResource();
WP<IHLBuffer> buffer;

28
src/render/OpenGL.cpp
View File

@ -2870,7 +2870,7 @@ SP<CEGLSync> CHyprOpenGLImpl::createEGLSync(int fenceFD) {
std::vector<EGLint> attribs;
int dupFd = -1;
if (fenceFD > 0) {
int dupFd = fcntl(fenceFD, F_DUPFD_CLOEXEC, 0);
dupFd = fcntl(fenceFD, F_DUPFD_CLOEXEC, 0);
if (dupFd < 0) {
Debug::log(ERR, "createEGLSync: dup failed");
return nullptr;
@ -2889,8 +2889,18 @@ SP<CEGLSync> CHyprOpenGLImpl::createEGLSync(int fenceFD) {
return nullptr;
}
// we need to flush otherwise we might not get a valid fd
glFlush();
int fd = g_pHyprOpenGL->m_sProc.eglDupNativeFenceFDANDROID(g_pHyprOpenGL->m_pEglDisplay, sync);
if (fd == EGL_NO_NATIVE_FENCE_FD_ANDROID) {
Debug::log(ERR, "eglDupNativeFenceFDANDROID failed");
return nullptr;
}
auto eglsync = SP<CEGLSync>(new CEGLSync);
eglsync->sync = sync;
eglsync->m_iFd = fd;
return eglsync;
}
@ -2983,19 +2993,13 @@ CEGLSync::~CEGLSync() {
if (g_pHyprOpenGL->m_sProc.eglDestroySyncKHR(g_pHyprOpenGL->m_pEglDisplay, sync) != EGL_TRUE)
Debug::log(ERR, "eglDestroySyncKHR failed");
if (m_iFd >= 0)
close(m_iFd);
}
int CEGLSync::dupFenceFD() {
if (sync == EGL_NO_SYNC_KHR)
return -1;
int fd = g_pHyprOpenGL->m_sProc.eglDupNativeFenceFDANDROID(g_pHyprOpenGL->m_pEglDisplay, sync);
if (fd == EGL_NO_NATIVE_FENCE_FD_ANDROID) {
Debug::log(ERR, "eglDupNativeFenceFDANDROID failed");
return -1;
}
return fd;
int CEGLSync::fd() {
return m_iFd;
}
bool CEGLSync::wait() {

4
src/render/OpenGL.hpp
View File

@ -131,12 +131,14 @@ class CEGLSync {
EGLSyncKHR sync = nullptr;
int dupFenceFD();
int fd();
bool wait();
private:
CEGLSync() = default;
int m_iFd = -1;
friend class CHyprOpenGLImpl;
};

181
src/render/Renderer.cpp
View File

@ -1,9 +1,12 @@
#include "Renderer.hpp"
#include "../Compositor.hpp"
#include "../helpers/math/Math.hpp"
#include "../helpers/ScopeGuard.hpp"
#include "../helpers/sync/SyncReleaser.hpp"
#include <algorithm>
#include <aquamarine/output/Output.hpp>
#include <cstring>
#include <filesystem>
#include "../config/ConfigValue.hpp"
#include "../managers/CursorManager.hpp"
#include "../managers/PointerManager.hpp"
@ -115,8 +118,8 @@ static void renderSurface(SP<CWLSurfaceResource> surface, int x, int y, void* da
return;
// explicit sync: wait for the timeline, if any
if (surface->syncobj && surface->syncobj->acquireTimeline) {
if (!g_pHyprOpenGL->waitForTimelinePoint(surface->syncobj->acquireTimeline->timeline, surface->syncobj->acquirePoint)) {
if (surface->syncobj && surface->syncobj->current.acquireTimeline) {
if (!g_pHyprOpenGL->waitForTimelinePoint(surface->syncobj->current.acquireTimeline->timeline, surface->syncobj->current.acquirePoint)) {
Debug::log(ERR, "Renderer: failed to wait for explicit timeline");
return;
}
@ -1095,7 +1098,7 @@ void CHyprRenderer::renderMonitor(CMonitor* pMonitor) {
static auto PDEBUGOVERLAY = CConfigValue<Hyprlang::INT>("debug:overlay");
static auto PDAMAGETRACKINGMODE = CConfigValue<Hyprlang::INT>("debug:damage_tracking");
static auto PDAMAGEBLINK = CConfigValue<Hyprlang::INT>("debug:damage_blink");
static auto PNODIRECTSCANOUT = CConfigValue<Hyprlang::INT>("misc:no_direct_scanout");
static auto PDIRECTSCANOUT = CConfigValue<Hyprlang::INT>("render:direct_scanout");
static auto PVFR = CConfigValue<Hyprlang::INT>("misc:vfr");
static auto PZOOMFACTOR = CConfigValue<Hyprlang::FLOAT>("cursor:zoom_factor");
static auto PANIMENABLED = CConfigValue<Hyprlang::INT>("animations:enabled");
@ -1195,7 +1198,7 @@ void CHyprRenderer::renderMonitor(CMonitor* pMonitor) {
pMonitor->tearingState.activelyTearing = shouldTear;
if (!*PNODIRECTSCANOUT && !shouldTear) {
if (*PDIRECTSCANOUT && !shouldTear) {
if (pMonitor->attemptDirectScanout()) {
return;
} else if (!pMonitor->lastScanout.expired()) {
@ -1403,39 +1406,21 @@ void CHyprRenderer::renderMonitor(CMonitor* pMonitor) {
}
bool CHyprRenderer::commitPendingAndDoExplicitSync(CMonitor* pMonitor) {
static auto PENABLEEXPLICIT = CConfigValue<Hyprlang::INT>("experimental:explicit_sync");
// apply timelines for explicit sync
// save inFD otherwise reset will reset it
auto inFD = pMonitor->output->state->state().explicitInFence;
pMonitor->output->state->resetExplicitFences();
bool anyExplicit = !explicitPresented.empty();
if (anyExplicit) {
Debug::log(TRACE, "Explicit sync presented begin");
auto inFence = pMonitor->inTimeline->exportAsSyncFileFD(pMonitor->lastWaitPoint);
if (inFence < 0)
Debug::log(ERR, "Export lastWaitPoint {} as sync explicitInFence failed", pMonitor->lastWaitPoint);
pMonitor->output->state->setExplicitInFence(inFence);
for (auto& e : explicitPresented) {
Debug::log(TRACE, "Explicit sync presented releasePoint {}", e->syncobj && e->syncobj->releaseTimeline ? e->syncobj->releasePoint : -1);
if (!e->syncobj || !e->syncobj->releaseTimeline)
continue;
e->syncobj->releaseTimeline->timeline->transfer(pMonitor->outTimeline, pMonitor->commitSeq, e->syncobj->releasePoint);
}
explicitPresented.clear();
auto outFence = pMonitor->outTimeline->exportAsSyncFileFD(pMonitor->commitSeq);
if (outFence < 0)
Debug::log(ERR, "Export commitSeq {} as sync explicitOutFence failed", pMonitor->commitSeq);
pMonitor->output->state->setExplicitOutFence(outFence);
Debug::log(TRACE, "Explicit sync presented end");
}
pMonitor->lastWaitPoint = 0;
if (inFD >= 0)
pMonitor->output->state->setExplicitInFence(inFD);
bool ok = pMonitor->state.commit();
if (!ok) {
if (inFD >= 0) {
Debug::log(TRACE, "Monitor state commit failed, retrying without a fence");
pMonitor->output->state->resetExplicitFences();
ok = pMonitor->state.commit();
}
if (!ok) {
Debug::log(TRACE, "Monitor state commit failed");
// rollback the buffer to avoid writing to the front buffer that is being
@ -1443,18 +1428,39 @@ bool CHyprRenderer::commitPendingAndDoExplicitSync(CMonitor* pMonitor) {
pMonitor->output->swapchain->rollback();
pMonitor->damage.damageEntire();
}
}
if (!*PENABLEEXPLICIT)
auto explicitOptions = getExplicitSyncSettings();
if (!explicitOptions.explicitEnabled)
return ok;
if (pMonitor->output->state->state().explicitInFence >= 0)
close(pMonitor->output->state->state().explicitInFence);
if (inFD >= 0)
close(inFD);
if (pMonitor->output->state->state().explicitOutFence >= 0) {
if (ok)
pMonitor->outTimeline->importFromSyncFileFD(pMonitor->commitSeq, pMonitor->output->state->state().explicitOutFence);
Debug::log(TRACE, "Aquamarine returned an explicit out fence at {}", pMonitor->output->state->state().explicitOutFence);
close(pMonitor->output->state->state().explicitOutFence);
} else
Debug::log(TRACE, "Aquamarine did not return an explicit out fence");
Debug::log(TRACE, "Explicit: {} presented", explicitPresented.size());
auto sync = g_pHyprOpenGL->createEGLSync(-1);
if (!sync)
Debug::log(TRACE, "Explicit: can't add sync, EGLSync failed");
else {
for (auto& e : explicitPresented) {
if (!e->current.buffer || !e->current.buffer->releaser)
continue;
e->current.buffer->releaser->addReleaseSync(sync);
}
}
explicitPresented.clear();
pMonitor->output->state->resetExplicitFences();
return ok;
}
@ -1898,6 +1904,7 @@ bool CHyprRenderer::applyMonitorRule(CMonitor* pMonitor, SMonitorRule* pMonitorR
pMonitor->currentMode = nullptr;
pMonitor->output->state->setFormat(DRM_FORMAT_XRGB8888);
pMonitor->output->state->resetExplicitFences();
bool autoScale = false;
@ -2643,10 +2650,16 @@ bool CHyprRenderer::beginRender(CMonitor* pMonitor, CRegion& damage, eRenderMode
void CHyprRenderer::endRender() {
const auto PMONITOR = g_pHyprOpenGL->m_RenderData.pMonitor;
static auto PNVIDIAANTIFLICKER = CConfigValue<Hyprlang::INT>("opengl:nvidia_anti_flicker");
static auto PENABLEEXPLICIT = CConfigValue<Hyprlang::INT>("experimental:explicit_sync");
PMONITOR->commitSeq++;
auto cleanup = CScopeGuard([this]() {
if (m_pCurrentRenderbuffer)
m_pCurrentRenderbuffer->unbind();
m_pCurrentRenderbuffer = nullptr;
m_pCurrentBuffer = nullptr;
});
if (m_eRenderMode != RENDER_MODE_TO_BUFFER_READ_ONLY)
g_pHyprOpenGL->end();
else {
@ -2661,35 +2674,28 @@ void CHyprRenderer::endRender() {
if (m_eRenderMode == RENDER_MODE_NORMAL) {
PMONITOR->output->state->setBuffer(m_pCurrentBuffer);
if (PMONITOR->inTimeline && *PENABLEEXPLICIT) {
auto explicitOptions = getExplicitSyncSettings();
if (PMONITOR->inTimeline && explicitOptions.explicitEnabled && explicitOptions.explicitKMSEnabled) {
auto sync = g_pHyprOpenGL->createEGLSync(-1);
if (!sync) {
m_pCurrentRenderbuffer->unbind();
m_pCurrentRenderbuffer = nullptr;
m_pCurrentBuffer = nullptr;
Debug::log(ERR, "renderer: couldn't create an EGLSync for out in endRender");
return;
}
auto dupedfd = sync->dupFenceFD();
sync.reset();
if (dupedfd < 0) {
m_pCurrentRenderbuffer->unbind();
m_pCurrentRenderbuffer = nullptr;
m_pCurrentBuffer = nullptr;
Debug::log(ERR, "renderer: couldn't dup an EGLSync fence for out in endRender");
return;
}
bool ok = PMONITOR->inTimeline->importFromSyncFileFD(PMONITOR->commitSeq, dupedfd);
close(dupedfd);
bool ok = PMONITOR->inTimeline->importFromSyncFileFD(PMONITOR->commitSeq, sync->fd());
if (!ok) {
m_pCurrentRenderbuffer->unbind();
m_pCurrentRenderbuffer = nullptr;
m_pCurrentBuffer = nullptr;
Debug::log(ERR, "renderer: couldn't import from sync file fd in endRender");
return;
}
auto fd = PMONITOR->inTimeline->exportAsSyncFileFD(PMONITOR->commitSeq);
if (fd <= 0) {
Debug::log(ERR, "renderer: couldn't export from sync timeline in endRender");
return;
}
PMONITOR->output->state->setExplicitInFence(fd);
} else {
if (isNvidia() && *PNVIDIAANTIFLICKER)
glFinish();
@ -2697,11 +2703,6 @@ void CHyprRenderer::endRender() {
glFlush();
}
}
m_pCurrentRenderbuffer->unbind();
m_pCurrentRenderbuffer = nullptr;
m_pCurrentBuffer = nullptr;
}
void CHyprRenderer::onRenderbufferDestroy(CRenderbuffer* rb) {
@ -2715,3 +2716,57 @@ SP<CRenderbuffer> CHyprRenderer::getCurrentRBO() {
bool CHyprRenderer::isNvidia() {
return m_bNvidia;
}
SExplicitSyncSettings CHyprRenderer::getExplicitSyncSettings() {
static auto PENABLEEXPLICIT = CConfigValue<Hyprlang::INT>("render:explicit_sync");
static auto PENABLEEXPLICITKMS = CConfigValue<Hyprlang::INT>("render:explicit_sync_kms");
SExplicitSyncSettings settings;
settings.explicitEnabled = *PENABLEEXPLICIT;
settings.explicitKMSEnabled = *PENABLEEXPLICITKMS;
if (*PENABLEEXPLICIT == 2 /* auto */)
settings.explicitEnabled = true;
if (*PENABLEEXPLICITKMS == 2 /* auto */) {
if (!m_bNvidia)
settings.explicitKMSEnabled = true;
else {
// check nvidia version. Explicit KMS is supported in >=560
// in the case of an error, driverMajor will stay 0 and explicit KMS will be disabled
int driverMajor = 0;
static bool once = true;
if (once) {
once = false;
Debug::log(LOG, "Renderer: checking for explicit KMS support for nvidia");
if (std::filesystem::exists("/sys/module/nvidia_drm/version")) {
Debug::log(LOG, "Renderer: Nvidia version file exists");
std::ifstream ifs("/sys/module/nvidia_drm/version");
if (ifs.good()) {
try {
std::string driverInfo((std::istreambuf_iterator<char>(ifs)), (std::istreambuf_iterator<char>()));
Debug::log(LOG, "Renderer: Read nvidia version {}", driverInfo);
CVarList ver(driverInfo, 0, '.', true);
driverMajor = std::stoi(ver[0]);
Debug::log(LOG, "Renderer: Parsed nvidia major version: {}", driverMajor);
} catch (std::exception& e) { settings.explicitKMSEnabled = false; }
ifs.close();
}
}
}
settings.explicitKMSEnabled = driverMajor >= 560;
}
}
return settings;
}

6
src/render/Renderer.hpp
View File

@ -39,6 +39,10 @@ class CToplevelExportProtocolManager;
class CInputManager;
struct SSessionLockSurface;
struct SExplicitSyncSettings {
bool explicitEnabled = false, explicitKMSEnabled = false;
};
class CHyprRenderer {
public:
CHyprRenderer();
@ -73,6 +77,7 @@ class CHyprRenderer {
bool isNvidia();
void makeEGLCurrent();
void unsetEGL();
SExplicitSyncSettings getExplicitSyncSettings();
// if RENDER_MODE_NORMAL, provided damage will be written to.
// otherwise, it will be the one used.
@ -142,6 +147,7 @@ class CHyprRenderer {
friend class CToplevelExportFrame;
friend class CInputManager;
friend class CPointerManager;
friend class CMonitor;
};
inline std::unique_ptr<CHyprRenderer> g_pHyprRenderer;