screencopy, render: Use explicit sync for screencopy (#9697)

* screencopy, render: Use explicit sync for screencopy

* screencopy: Check if explicit sync is enabled

* screencopy: Don't require explicit KMS enabled
This commit is contained in:
Lee Bousfield 2025-03-22 11:01:14 -05:00 committed by GitHub
parent ccbdba7ee2
commit 279b06044c
No known key found for this signature in database
GPG Key ID: B5690EEEBB952194
6 changed files with 62 additions and 51 deletions

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@ -57,8 +57,7 @@ void CMonitor::onConnect(bool noRule) {
g_pEventLoopManager->doLater([] { g_pConfigManager->ensurePersistentWorkspacesPresent(); });
if (output->supportsExplicit) {
inTimeline = CSyncTimeline::create(output->getBackend()->drmFD());
outTimeline = CSyncTimeline::create(output->getBackend()->drmFD());
inTimeline = CSyncTimeline::create(output->getBackend()->drmFD());
}
listeners.frame = output->events.frame.registerListener([this](std::any d) { onMonitorFrame(); });
@ -1421,8 +1420,6 @@ bool CMonitor::attemptDirectScanout() {
}
}
commitSeq++;
bool ok = output->commit();
if (!ok && DOEXPLICIT) {

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@ -140,10 +140,9 @@ class CMonitor {
// explicit sync
SP<CSyncTimeline> inTimeline;
SP<CSyncTimeline> outTimeline;
Hyprutils::OS::CFileDescriptor inFence;
SP<CEGLSync> eglSync;
uint64_t commitSeq = 0;
uint64_t inTimelinePoint = 0;
PHLMONITORREF self;

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@ -12,6 +12,7 @@
#include "../helpers/Format.hpp"
#include <algorithm>
#include <functional>
CScreencopyFrame::~CScreencopyFrame() {
if (buffer && buffer->locked())
@ -174,39 +175,42 @@ void CScreencopyFrame::share() {
timespec now;
clock_gettime(CLOCK_MONOTONIC, &now);
if (bufferDMA) {
if (!copyDmabuf()) {
LOGM(ERR, "Dmabuf copy failed in {:x}", (uintptr_t)this);
auto callback = [this, now, weak = self](bool success) {
if (weak.expired())
return;
if (!success) {
LOGM(ERR, "{} copy failed in {:x}", bufferDMA ? "Dmabuf" : "Shm", (uintptr_t)this);
resource->sendFailed();
return;
}
} else {
if (!copyShm()) {
LOGM(ERR, "Shm copy failed in {:x}", (uintptr_t)this);
resource->sendFailed();
return;
resource->sendFlags((zwlrScreencopyFrameV1Flags)0);
if (withDamage) {
// TODO: add a damage ring for this.
resource->sendDamage(0, 0, buffer->size.x, buffer->size.y);
}
}
resource->sendFlags((zwlrScreencopyFrameV1Flags)0);
if (withDamage) {
// TODO: add a damage ring for this.
resource->sendDamage(0, 0, buffer->size.x, buffer->size.y);
}
uint32_t tvSecHi = (sizeof(now.tv_sec) > 4) ? now.tv_sec >> 32 : 0;
uint32_t tvSecLo = now.tv_sec & 0xFFFFFFFF;
resource->sendReady(tvSecHi, tvSecLo, now.tv_nsec);
};
uint32_t tvSecHi = (sizeof(now.tv_sec) > 4) ? now.tv_sec >> 32 : 0;
uint32_t tvSecLo = now.tv_sec & 0xFFFFFFFF;
resource->sendReady(tvSecHi, tvSecLo, now.tv_nsec);
if (bufferDMA)
copyDmabuf(callback);
else
callback(copyShm());
}
bool CScreencopyFrame::copyDmabuf() {
void CScreencopyFrame::copyDmabuf(std::function<void(bool)> callback) {
auto TEXTURE = makeShared<CTexture>(pMonitor->output->state->state().buffer);
CRegion fakeDamage = {0, 0, INT16_MAX, INT16_MAX};
if (!g_pHyprRenderer->beginRender(pMonitor.lock(), fakeDamage, RENDER_MODE_TO_BUFFER, buffer.lock(), nullptr, true)) {
LOGM(ERR, "Can't copy: failed to begin rendering to dma frame");
return false;
callback(false);
return;
}
CBox monbox = CBox{0, 0, pMonitor->vecPixelSize.x, pMonitor->vecPixelSize.y}
@ -221,9 +225,18 @@ bool CScreencopyFrame::copyDmabuf() {
g_pHyprOpenGL->m_RenderData.blockScreenShader = true;
g_pHyprRenderer->endRender();
LOGM(TRACE, "Copied frame via dma");
return true;
auto explicitOptions = g_pHyprRenderer->getExplicitSyncSettings(pMonitor->output);
if (pMonitor->inTimeline && explicitOptions.explicitEnabled) {
pMonitor->inTimeline->addWaiter(
[callback]() {
LOGM(TRACE, "Copied frame via dma with explicit sync");
callback(true);
},
pMonitor->inTimelinePoint, 0);
} else {
LOGM(TRACE, "Copied frame via dma");
callback(true);
}
}
bool CScreencopyFrame::copyShm() {
@ -278,6 +291,8 @@ bool CScreencopyFrame::copyShm() {
const auto drmFmt = NFormatUtils::getPixelFormatFromDRM(shm.format);
uint32_t packStride = NFormatUtils::minStride(drmFmt, box.w);
// This could be optimized by using a pixel buffer object to make this async,
// but really clients should just use a dma buffer anyways.
if (packStride == (uint32_t)shm.stride) {
glReadPixels(0, 0, box.w, box.h, glFormat, PFORMAT->glType, pixelData);
} else {

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@ -73,7 +73,7 @@ class CScreencopyFrame {
CBox box = {};
void copy(CZwlrScreencopyFrameV1* pFrame, wl_resource* buffer);
bool copyDmabuf();
void copyDmabuf(std::function<void(bool)> callback);
bool copyShm();
void share();

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@ -522,7 +522,7 @@ void CWLSurfaceResource::presentFeedback(timespec* when, PHLMONITOR pMonitor, bo
FEEDBACK->presented();
PROTO::presentation->queueData(FEEDBACK);
if (!pMonitor || !pMonitor->outTimeline || !syncobj)
if (!pMonitor || !pMonitor->inTimeline || !syncobj)
return;
// attach explicit sync

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@ -1447,8 +1447,6 @@ static hdr_output_metadata createHDRMetadata(SImageDescription settings, A
}
bool CHyprRenderer::commitPendingAndDoExplicitSync(PHLMONITOR pMonitor) {
pMonitor->commitSeq++;
static auto PPASS = CConfigValue<Hyprlang::INT>("render:cm_fs_passthrough");
const bool PHDR = pMonitor->imageDescription.transferFunction == CM_TRANSFER_FUNCTION_ST2084_PQ;
@ -2250,37 +2248,39 @@ void CHyprRenderer::endRender() {
if (m_eRenderMode == RENDER_MODE_FULL_FAKE)
return;
if (m_eRenderMode == RENDER_MODE_NORMAL) {
if (m_eRenderMode == RENDER_MODE_NORMAL)
PMONITOR->output->state->setBuffer(m_pCurrentBuffer);
auto explicitOptions = getExplicitSyncSettings(PMONITOR->output);
auto explicitOptions = getExplicitSyncSettings(PMONITOR->output);
if (PMONITOR->inTimeline && explicitOptions.explicitEnabled && explicitOptions.explicitKMSEnabled) {
PMONITOR->eglSync = g_pHyprOpenGL->createEGLSync();
if (!PMONITOR->eglSync) {
Debug::log(ERR, "renderer: couldn't create an EGLSync for out in endRender");
return;
}
if (PMONITOR->inTimeline && explicitOptions.explicitEnabled) {
PMONITOR->eglSync = g_pHyprOpenGL->createEGLSync();
if (!PMONITOR->eglSync) {
Debug::log(ERR, "renderer: couldn't create an EGLSync for out in endRender");
return;
}
bool ok = PMONITOR->inTimeline->importFromSyncFileFD(PMONITOR->commitSeq, PMONITOR->eglSync->fd());
if (!ok) {
Debug::log(ERR, "renderer: couldn't import from sync file fd in endRender");
return;
}
PMONITOR->inTimelinePoint++;
bool ok = PMONITOR->inTimeline->importFromSyncFileFD(PMONITOR->inTimelinePoint, PMONITOR->eglSync->fd());
if (!ok) {
Debug::log(ERR, "renderer: couldn't import from sync file fd in endRender");
return;
}
PMONITOR->inFence = CFileDescriptor{PMONITOR->inTimeline->exportAsSyncFileFD(PMONITOR->commitSeq)};
if (m_eRenderMode == RENDER_MODE_NORMAL && explicitOptions.explicitKMSEnabled) {
PMONITOR->inFence = CFileDescriptor{PMONITOR->inTimeline->exportAsSyncFileFD(PMONITOR->inTimelinePoint)};
if (!PMONITOR->inFence.isValid()) {
Debug::log(ERR, "renderer: couldn't export from sync timeline in endRender");
return;
}
PMONITOR->output->state->setExplicitInFence(PMONITOR->inFence.get());
} else {
if (isNvidia() && *PNVIDIAANTIFLICKER)
glFinish();
else
glFlush();
}
} else {
if (isNvidia() && *PNVIDIAANTIFLICKER)
glFinish();
else
glFlush();
}
}