Fadein/out now applies to layersurfaces too

11 files changed, 153 insertions, 15 deletions

diff --git a/src/Compositor.cpp b/src/Compositor.cpp
index 50ce621a..4b6999c7 100644
--- a/src/Compositor.cpp
+++ b/src/Compositor.cpp
@@ -513,7 +513,7 @@ CWindow* CCompositor::getWindowForPopup(wlr_xdg_popup* popup) {
 
 wlr_surface* CCompositor::vectorToLayerSurface(const Vector2D& pos, std::list<SLayerSurface*>* layerSurfaces, Vector2D* sCoords) {
     for (auto& l : *layerSurfaces) {
-        if (!l->layerSurface->mapped)
+        if (l->fadingOut || (l->layerSurface && !l->layerSurface->mapped))
             continue;
 
         const auto SURFACEAT = wlr_layer_surface_v1_surface_at(l->layerSurface, pos.x - l->geometry.x, pos.y - l->geometry.y, &sCoords->x, &sCoords->y);
@@ -650,6 +650,24 @@ void CCompositor::cleanupWindows() {
             return;
         }
     }
+
+    for (auto& ls : m_lSurfacesFadingOut) {
+        if (ls->fadingOut && ls->readyToDelete && !ls->alpha.isBeingAnimated()) {
+            for (auto& m : m_lMonitors) {
+                for (auto& lsl : m.m_aLayerSurfaceLists) {
+                    lsl.remove(ls);
+                }
+            }
+
+            g_pHyprOpenGL->m_mLayerFramebuffers[ls].release();
+            g_pHyprOpenGL->m_mLayerFramebuffers.erase(ls);
+            
+            m_lSurfacesFadingOut.remove(ls);
+            delete ls;
+
+            return;
+        }
+    }
 }
 
 CWindow* CCompositor::getWindowInDirection(CWindow* pWindow, char dir) {
@@ -863,4 +881,4 @@ SMonitor* CCompositor::getMonitorInDirection(const char& dir) {
         return longestIntersectMonitor;
 
     return nullptr;
-}
\ No newline at end of file
+}
diff --git a/src/Compositor.hpp b/src/Compositor.hpp
index 4256dead..b072266a 100644
--- a/src/Compositor.hpp
+++ b/src/Compositor.hpp
@@ -67,6 +67,7 @@ public:
     std::list<CWorkspace>   m_lWorkspaces;
     std::list<SSubsurface>  m_lSubsurfaces;
     std::list<CWindow*>     m_lWindowsFadingOut;
+    std::list<SLayerSurface*> m_lSurfacesFadingOut;
 
     void                    startCompositor(); 
     void                    cleanupExit();
diff --git a/src/events/Layers.cpp b/src/events/Layers.cpp
index 12e9e93b..f9c98585 100644
--- a/src/events/Layers.cpp
+++ b/src/events/Layers.cpp
@@ -72,9 +72,6 @@ void Events::listener_destroyLayerSurface(void* owner, void* data) {
 
     const auto PMONITOR = g_pCompositor->getMonitorFromID(layersurface->monitorID);
 
-    // remove the layersurface as it's not used anymore
-    PMONITOR->m_aLayerSurfaceLists[layersurface->layer].remove(layersurface);
-
     // rearrange to fix the reserved areas
     if (PMONITOR) {
         g_pHyprRenderer->arrangeLayersForMonitor(PMONITOR->ID);
@@ -85,7 +82,8 @@ void Events::listener_destroyLayerSurface(void* owner, void* data) {
         g_pHyprRenderer->damageBox(&geomFixed);
     }
 
-    delete layersurface;
+    layersurface->readyToDelete = true;
+    layersurface->layerSurface = nullptr;
 }
 
 void Events::listener_mapLayerSurface(void* owner, void* data) {
@@ -121,6 +119,11 @@ void Events::listener_mapLayerSurface(void* owner, void* data) {
 
     wlr_box geomFixed = {layersurface->geometry.x + PMONITOR->vecPosition.x, layersurface->geometry.y + PMONITOR->vecPosition.y, layersurface->geometry.width, layersurface->geometry.height};
     g_pHyprRenderer->damageBox(&geomFixed);
+
+    layersurface->alpha.setValue(0);
+    layersurface->alpha = 255.f;
+    layersurface->readyToDelete = false;
+    layersurface->fadingOut = false;
 }
 
 void Events::listener_unmapLayerSurface(void* owner, void* data) {
@@ -128,6 +131,14 @@ void Events::listener_unmapLayerSurface(void* owner, void* data) {
 
     Debug::log(LOG, "LayerSurface %x unmapped", layersurface->layerSurface);
 
+    // make a snapshot and start fade
+    g_pHyprOpenGL->makeLayerSnapshot(layersurface);
+    layersurface->alpha = 0.f;
+
+    layersurface->fadingOut = true;
+
+    g_pCompositor->m_lSurfacesFadingOut.push_back(layersurface);
+
     if (layersurface->layerSurface->mapped)
         layersurface->layerSurface->mapped = false;
 
diff --git a/src/helpers/AnimatedVariable.hpp b/src/helpers/AnimatedVariable.hpp
index a484958b..0b31b5c5 100644
--- a/src/helpers/AnimatedVariable.hpp
+++ b/src/helpers/AnimatedVariable.hpp
@@ -18,6 +18,7 @@ enum AVARDAMAGEPOLICY {
 
 class CAnimationManager;
 class CWorkspace;
+struct SLayerSurface;
 
 class CAnimatedVariable {
 public:
@@ -183,8 +184,12 @@ private:
 
     float*          m_pSpeed = nullptr;
     int64_t*        m_pEnabled = nullptr;
+
+    // owners
     void*           m_pWindow = nullptr;
     void*           m_pWorkspace = nullptr;
+    void*           m_pLayer = nullptr;
+
     std::string*    m_pBezier = nullptr;
 
     bool            m_bDummy = true;
@@ -196,4 +201,5 @@ private:
 
     friend class CAnimationManager;
     friend class CWorkspace;
+    friend struct SLayerSurface;
 };
\ No newline at end of file
diff --git a/src/helpers/WLClasses.cpp b/src/helpers/WLClasses.cpp
new file mode 100644
index 00000000..82e41b4f
--- /dev/null
+++ b/src/helpers/WLClasses.cpp
@@ -0,0 +1,7 @@
+#include "WLClasses.hpp"
+#include "../config/ConfigManager.hpp"
+
+SLayerSurface::SLayerSurface() {
+    alpha.create(AVARTYPE_FLOAT, &g_pConfigManager->getConfigValuePtr("animations:fadein_speed")->floatValue, &g_pConfigManager->getConfigValuePtr("animations:fadein")->intValue, &g_pConfigManager->getConfigValuePtr("animations:fadein_curve")->strValue, nullptr, AVARDAMAGE_ENTIRE);
+    alpha.m_pLayer = this;
+}
\ No newline at end of file
diff --git a/src/helpers/WLClasses.hpp b/src/helpers/WLClasses.hpp
index 544498f5..9d1cd6df 100644
--- a/src/helpers/WLClasses.hpp
+++ b/src/helpers/WLClasses.hpp
@@ -5,8 +5,11 @@
 #include "../../wlr-layer-shell-unstable-v1-protocol.h"
 #include "../Window.hpp"
 #include "SubsurfaceTree.hpp"
+#include "AnimatedVariable.hpp"
 
 struct SLayerSurface {
+    SLayerSurface();
+
     wlr_layer_surface_v1*   layerSurface;
     wl_list                 link;
 
@@ -22,6 +25,9 @@ struct SLayerSurface {
 
     int                     monitorID = -1;
 
+    CAnimatedVariable       alpha;
+    bool                    fadingOut = false;
+    bool                    readyToDelete = false;
 
     // For the list lookup
     bool operator==(const SLayerSurface& rhs) {
diff --git a/src/managers/AnimationManager.cpp b/src/managers/AnimationManager.cpp
index a881b7d1..686d80dd 100644
--- a/src/managers/AnimationManager.cpp
+++ b/src/managers/AnimationManager.cpp
@@ -41,12 +41,16 @@ void CAnimationManager::tick() {
         // window stuff
         const auto PWINDOW = (CWindow*)av->m_pWindow;
         const auto PWORKSPACE = (CWorkspace*)av->m_pWorkspace;
+        const auto PLAYER = (SLayerSurface*)av->m_pLayer;
+
         wlr_box WLRBOXPREV = {0,0,0,0};
         if (PWINDOW) {
             WLRBOXPREV = {(int)PWINDOW->m_vRealPosition.vec().x - BORDERSIZE - 1, (int)PWINDOW->m_vRealPosition.vec().y - BORDERSIZE - 1, (int)PWINDOW->m_vRealSize.vec().x + 2 * BORDERSIZE + 2, (int)PWINDOW->m_vRealSize.vec().y + 2 * BORDERSIZE + 2};
         } else if (PWORKSPACE) {
             const auto PMONITOR = g_pCompositor->getMonitorFromID(PWORKSPACE->m_iMonitorID);
             WLRBOXPREV = {(int)PMONITOR->vecPosition.x, (int)PMONITOR->vecPosition.y, (int)PMONITOR->vecSize.x, (int)PMONITOR->vecSize.y};
+        } else if (PLAYER) {
+            WLRBOXPREV = PLAYER->geometry;
         }
         
         // check if it's disabled, if so, warp
diff --git a/src/render/OpenGL.cpp b/src/render/OpenGL.cpp
index 80478de0..1711d08e 100644
--- a/src/render/OpenGL.cpp
+++ b/src/render/OpenGL.cpp
@@ -698,12 +698,57 @@ void CHyprOpenGLImpl::makeWindowSnapshot(CWindow* pWindow) {
     wlr_output_rollback(PMONITOR->output);
 }
 
+void CHyprOpenGLImpl::makeLayerSnapshot(SLayerSurface* pLayer) {
+    // we trust the window is valid.
+    const auto PMONITOR = g_pCompositor->getMonitorFromID(pLayer->monitorID);
+    wlr_output_attach_render(PMONITOR->output, nullptr);
+
+    // we need to "damage" the entire monitor
+    // so that we render the entire window
+    // this is temporary, doesnt mess with the actual wlr damage
+    pixman_region32_t fakeDamage;
+    pixman_region32_init(&fakeDamage);
+    pixman_region32_union_rect(&fakeDamage, &fakeDamage, 0, 0, (int)PMONITOR->vecSize.x, (int)PMONITOR->vecSize.y);
+
+    begin(PMONITOR, &fakeDamage);
+
+    pixman_region32_fini(&fakeDamage);
+
+    const auto PFRAMEBUFFER = &m_mLayerFramebuffers[pLayer];
+
+    PFRAMEBUFFER->m_tTransform = pLayer->layerSurface->surface->current.transform;
+
+    PFRAMEBUFFER->alloc(PMONITOR->vecSize.x, PMONITOR->vecSize.y);
+
+    PFRAMEBUFFER->bind();
+
+    clear(CColor(0, 0, 0, 0));  // JIC
+
+    timespec now;
+    clock_gettime(CLOCK_MONOTONIC, &now);
+
+    // draw the layer
+    g_pHyprRenderer->renderLayer(pLayer, PMONITOR, &now);
+
+// restore original fb
+#ifndef GLES2
+    glBindFramebuffer(GL_DRAW_FRAMEBUFFER, m_iCurrentOutputFb);
+#else
+    glBindFramebuffer(GL_FRAMEBUFFER, m_iCurrentOutputFb);
+#endif
+    glViewport(0, 0, g_pHyprOpenGL->m_RenderData.pMonitor->vecSize.x, g_pHyprOpenGL->m_RenderData.pMonitor->vecSize.y);
+
+    end();
+
+    wlr_output_rollback(PMONITOR->output);
+}
+
 void CHyprOpenGLImpl::renderSnapshot(CWindow** pWindow) {
     RASSERT(m_RenderData.pMonitor, "Tried to render snapshot rect without begin()!");
     const auto PWINDOW = *pWindow;
 
     auto it = m_mWindowFramebuffers.begin();
-    for (;it != m_mWindowFramebuffers.end(); it++) {
+    for (; it != m_mWindowFramebuffers.end(); it++) {
         if (it->first == PWINDOW) {
             break;
         }
@@ -724,6 +769,32 @@ void CHyprOpenGLImpl::renderSnapshot(CWindow** pWindow) {
     pixman_region32_fini(&fakeDamage);
 }
 
+void CHyprOpenGLImpl::renderSnapshot(SLayerSurface** pLayer) {
+    RASSERT(m_RenderData.pMonitor, "Tried to render snapshot rect without begin()!");
+    const auto PLAYER = *pLayer;
+
+    auto it = m_mLayerFramebuffers.begin();
+    for (; it != m_mLayerFramebuffers.end(); it++) {
+        if (it->first == PLAYER) {
+            break;
+        }
+    }
+
+    if (it == m_mLayerFramebuffers.end() || !it->second.m_cTex.m_iTexID)
+        return;
+
+    const auto PMONITOR = g_pCompositor->getMonitorFromID(PLAYER->monitorID);
+
+    wlr_box windowBox = {0, 0, PMONITOR->vecSize.x, PMONITOR->vecSize.y};
+
+    pixman_region32_t fakeDamage;
+    pixman_region32_init_rect(&fakeDamage, 0, 0, PMONITOR->vecSize.x, PMONITOR->vecSize.y);
+
+    renderTextureInternalWithDamage(it->second.m_cTex, &windowBox, PLAYER->alpha.fl(), &fakeDamage, 0);
+
+    pixman_region32_fini(&fakeDamage);
+}
+
 void CHyprOpenGLImpl::createBGTextureForMonitor(SMonitor* pMonitor) {
     RASSERT(m_RenderData.pMonitor, "Tried to createBGTex without begin()!");
 
diff --git a/src/render/OpenGL.hpp b/src/render/OpenGL.hpp
index 99de2a29..34b1a871 100644
--- a/src/render/OpenGL.hpp
+++ b/src/render/OpenGL.hpp
@@ -60,7 +60,9 @@ public:
     void    renderBorder(wlr_box*, const CColor&, int thick = 1, int round = 0);
 
     void    makeWindowSnapshot(CWindow*);
+    void    makeLayerSnapshot(SLayerSurface*);
     void    renderSnapshot(CWindow**);
+    void    renderSnapshot(SLayerSurface**);
 
     void    clear(const CColor&);
     void    clearWithTex();
@@ -78,6 +80,7 @@ public:
     pixman_region32_t m_rOriginalDamageRegion; // used for storing the pre-expanded region
 
     std::unordered_map<CWindow*, CFramebuffer> m_mWindowFramebuffers;
+    std::unordered_map<SLayerSurface*, CFramebuffer> m_mLayerFramebuffers;
     std::unordered_map<SMonitor*, SMonitorRenderData> m_mMonitorRenderResources;
     std::unordered_map<SMonitor*, CTexture> m_mMonitorBGTextures;
 
diff --git a/src/render/Renderer.cpp b/src/render/Renderer.cpp
index be51336c..9509b30d 100644
--- a/src/render/Renderer.cpp
+++ b/src/render/Renderer.cpp
@@ -121,6 +121,17 @@ void CHyprRenderer::renderWindow(CWindow* pWindow, SMonitor* pMonitor, timespec*
     } 
 }
 
+void CHyprRenderer::renderLayer(SLayerSurface* pLayer, SMonitor* pMonitor, timespec* time) {
+    if (pLayer->fadingOut) {
+        g_pHyprOpenGL->renderSnapshot(&pLayer);
+        return;
+    }
+
+    SRenderData renderdata = {pMonitor->output, time, pLayer->geometry.x, pLayer->geometry.y};
+    renderdata.fadeAlpha = pLayer->alpha.fl();
+    wlr_surface_for_each_surface(pLayer->layerSurface->surface, renderSurface, &renderdata);
+}
+
 void CHyprRenderer::renderAllClientsForMonitor(const int& ID, timespec* time) {
     const auto PMONITOR = g_pCompositor->getMonitorFromID(ID);
 
@@ -129,12 +140,10 @@ void CHyprRenderer::renderAllClientsForMonitor(const int& ID, timespec* time) {
 
     // Render layer surfaces below windows for monitor
     for (auto& ls : PMONITOR->m_aLayerSurfaceLists[ZWLR_LAYER_SHELL_V1_LAYER_BACKGROUND]) {
-        SRenderData renderdata = {PMONITOR->output, time, ls->geometry.x, ls->geometry.y};
-        wlr_surface_for_each_surface(ls->layerSurface->surface, renderSurface, &renderdata);
+        renderLayer(ls, PMONITOR, time);
     }
     for (auto& ls : PMONITOR->m_aLayerSurfaceLists[ZWLR_LAYER_SHELL_V1_LAYER_BOTTOM]) {
-        SRenderData renderdata = {PMONITOR->output, time, ls->geometry.x, ls->geometry.y};
-        wlr_surface_for_each_surface(ls->layerSurface->surface, renderSurface, &renderdata);
+        renderLayer(ls, PMONITOR, time);
     }
 
     // if there is a fullscreen window, render it and then do not render anymore.
@@ -178,12 +187,10 @@ void CHyprRenderer::renderAllClientsForMonitor(const int& ID, timespec* time) {
 
     // Render surfaces above windows for monitor
     for (auto& ls : PMONITOR->m_aLayerSurfaceLists[ZWLR_LAYER_SHELL_V1_LAYER_TOP]) {
-        SRenderData renderdata = {PMONITOR->output, time, ls->geometry.x, ls->geometry.y};
-        wlr_surface_for_each_surface(ls->layerSurface->surface, renderSurface, &renderdata);
+        renderLayer(ls, PMONITOR, time);
     }
     for (auto& ls : PMONITOR->m_aLayerSurfaceLists[ZWLR_LAYER_SHELL_V1_LAYER_OVERLAY]) {
-        SRenderData renderdata = {PMONITOR->output, time, ls->geometry.x, ls->geometry.y};
-        wlr_surface_for_each_surface(ls->layerSurface->surface, renderSurface, &renderdata);
+        renderLayer(ls, PMONITOR, time);
     }
 
     renderDragIcon(PMONITOR, time);
@@ -316,6 +323,9 @@ void CHyprRenderer::arrangeLayerArray(SMonitor* pMonitor, const std::list<SLayer
     wlr_box full_area = {pMonitor->vecPosition.x, pMonitor->vecPosition.y, pMonitor->vecSize.x, pMonitor->vecSize.y};
 
     for (auto& ls : layerSurfaces) {
+        if (ls->fadingOut)
+            continue;
+
         const auto PLAYER = ls->layerSurface;
         const auto PSTATE = &PLAYER->current;
         if (exclusiveZone != (PSTATE->exclusive_zone > 0)) {
diff --git a/src/render/Renderer.hpp b/src/render/Renderer.hpp
index b445c176..f879702b 100644
--- a/src/render/Renderer.hpp
+++ b/src/render/Renderer.hpp
@@ -37,6 +37,7 @@ private:
     void                drawBorderForWindow(CWindow*, SMonitor*, float a = 255.f, const Vector2D& offset = Vector2D(0,0));
     void                renderWorkspaceWithFullscreenWindow(SMonitor*, CWorkspace*, timespec*);
     void                renderWindow(CWindow*, SMonitor*, timespec*, bool);
+    void                renderLayer(SLayerSurface*, SMonitor*, timespec*);
     void                renderDragIcon(SMonitor*, timespec*);