renderer: add dpms animations (#11452)

src/config/ConfigManager.cpp

@@ -1007,6 +1007,7 @@ void CConfigManager::setDefaultAnimationVars() {
     m_animationTree.createNode("fadePopups", "fade");
     m_animationTree.createNode("fadePopupsIn", "fadePopups");
     m_animationTree.createNode("fadePopupsOut", "fadePopups");
+    m_animationTree.createNode("fadeDpms", "fade");
 
     // workspaces
     m_animationTree.createNode("workspacesIn", "workspaces");

src/helpers/Monitor.cpp

@@ -51,6 +51,8 @@ CMonitor::CMonitor(SP<Aquamarine::IOutput> output_) : m_state(this), m_output(ou
     m_cursorZoom->setUpdateCallback([this](auto) { g_pHyprRenderer->damageMonitor(m_self.lock()); });
     g_pAnimationManager->createAnimation(0.F, m_zoomAnimProgress, g_pConfigManager->getAnimationPropertyConfig("monitorAdded"), AVARDAMAGE_NONE);
     m_zoomAnimProgress->setUpdateCallback([this](auto) { g_pHyprRenderer->damageMonitor(m_self.lock()); });
+    g_pAnimationManager->createAnimation(0.F, m_dpmsBlackOpacity, g_pConfigManager->getAnimationPropertyConfig("fadeDpms"), AVARDAMAGE_NONE);
+    m_dpmsBlackOpacity->setUpdateCallback([this](auto) { g_pHyprRenderer->damageMonitor(m_self.lock()); });
 }
 
 CMonitor::~CMonitor() {
@@ -80,6 +82,13 @@ void CMonitor::onConnect(bool noRule) {
     m_listeners.needsFrame = m_output->events.needsFrame.listen([this] { g_pCompositor->scheduleFrameForMonitor(m_self.lock(), Aquamarine::IOutput::AQ_SCHEDULE_NEEDS_FRAME); });
 
     m_listeners.presented = m_output->events.present.listen([this](const Aquamarine::IOutput::SPresentEvent& event) {
+        if (m_pendingDpmsAnimation) {
+            // the first frame after a dpms on has been presented. Let's start the animation
+            m_dpmsBlackOpacity->setValueAndWarp(1.F);
+            *m_dpmsBlackOpacity    = 0.F;
+            m_pendingDpmsAnimation = false;
+        }
+
         timespec* ts = event.when;
 
         if (ts && ts->tv_sec <= 2) {
@@ -1563,6 +1572,45 @@ bool CMonitor::attemptDirectScanout() {
     return true;
 }
 
+void CMonitor::setDPMS(bool on) {
+    m_dpmsStatus = on;
+    m_events.dpmsChanged.emit();
+
+    if (on) {
+        // enable the monitor. Wait for the frame to be presented, then begin animation
+        m_dpmsBlackOpacity->setValueAndWarp(1.F);
+        m_dpmsBlackOpacity->setCallbackOnEnd(nullptr);
+        m_pendingDpmsAnimation = true;
+        commitDPMSState(true);
+    } else {
+        // disable the monitor. Begin the animation, then do dpms on its end.
+        m_dpmsBlackOpacity->setValueAndWarp(0.F);
+        *m_dpmsBlackOpacity = 1.F;
+        m_dpmsBlackOpacity->setCallbackOnEnd(
+            [this, self = m_self](auto) {
+                if (!self)
+                    return;
+
+                // commit DPMS to disable the monitor, it's fully black now
+                commitDPMSState(false);
+            },
+            true);
+    }
+}
+
+void CMonitor::commitDPMSState(bool state) {
+    m_output->state->resetExplicitFences();
+    m_output->state->setEnabled(state);
+
+    if (!m_state.commit()) {
+        Debug::log(ERR, "Couldn't commit output {} for DPMS = {}", m_name, state);
+        return;
+    }
+
+    if (state)
+        g_pHyprRenderer->damageMonitor(m_self.lock());
+}
+
 void CMonitor::debugLastPresentation(const std::string& message) {
     Debug::log(TRACE, "{} (last presentation {} - {} fps)", message, m_lastPresentationTimer.getMillis(),
                m_lastPresentationTimer.getMillis() > 0 ? 1000.0f / m_lastPresentationTimer.getMillis() : 0.0f);

src/helpers/Monitor.hpp

@@ -181,6 +181,10 @@ class CMonitor {
     // for special fade/blur
     PHLANIMVAR<float> m_specialFade;
 
+    // for dpms off anim
+    PHLANIMVAR<float> m_dpmsBlackOpacity;
+    bool              m_pendingDpmsAnimation = false;
+
     PHLANIMVAR<float> m_cursorZoom;
 
     // for initial zoom anim
@@ -232,6 +236,7 @@ class CMonitor {
     bool                                attemptDirectScanout();
     void                                setCTM(const Mat3x3& ctm);
     void                                onCursorMovedOnMonitor();
+    void                                setDPMS(bool on);
 
     void                                debugLastPresentation(const std::string& message);
 
@@ -259,6 +264,7 @@ class CMonitor {
   private:
     void                    setupDefaultWS(const SMonitorRule&);
     WORKSPACEID             findAvailableDefaultWS();
+    void                    commitDPMSState(bool state);
 
     bool                    m_doneScheduled = false;
     std::stack<WORKSPACEID> m_prevWorkSpaces;

src/managers/KeybindManager.cpp

@@ -2670,21 +2670,7 @@ SDispatchResult CKeybindManager::dpms(std::string arg) {
         if (isToggle)
             enable = !m->m_dpmsStatus;
 
-        m->m_output->state->resetExplicitFences();
-        m->m_output->state->setEnabled(enable);
-
-        m->m_dpmsStatus = enable;
-
-        if (!m->m_state.commit()) {
-            Debug::log(ERR, "Couldn't commit output {}", m->m_name);
-            res.success = false;
-            res.error   = "Couldn't commit output {}";
-        }
-
-        if (enable)
-            g_pHyprRenderer->damageMonitor(m);
-
-        m->m_events.dpmsChanged.emit();
+        m->setDPMS(enable);
     }
 
     g_pCompositor->m_dpmsStateOn = enable;

src/render/Renderer.cpp

@@ -1394,6 +1394,14 @@ void CHyprRenderer::renderMonitor(PHLMONITOR pMonitor, bool commit) {
         g_pPointerManager->renderSoftwareCursorsFor(pMonitor->m_self.lock(), NOW, g_pHyprOpenGL->m_renderData.damage);
     }
 
+    if (pMonitor->m_dpmsBlackOpacity->value() != 0.F) {
+        // render the DPMS black if we are animating
+        CRectPassElement::SRectData data;
+        data.box   = {0, 0, pMonitor->m_transformedSize.x, pMonitor->m_transformedSize.y};
+        data.color = Colors::BLACK.modifyA(pMonitor->m_dpmsBlackOpacity->value());
+        m_renderPass.add(makeUnique<CRectPassElement>(data));
+    }
+
     EMIT_HOOK_EVENT("render", RENDER_LAST_MOMENT);
 
     endRender();