Renderer

CMakeLists.txt

@@ -9,7 +9,7 @@ message(STATUS "Configuring Hyprland!")
 
 include_directories(.)
 add_compile_options(-std=c++20 -DWLR_USE_UNSTABLE )
-add_compile_options(-Wall -Wextra -Wno-unused-parameter -Wno-unused-value)
+add_compile_options(-Wall -Wextra -Wno-unused-parameter -Wno-unused-value -Wno-missing-field-initializers)
 find_package(Threads REQUIRED)
 
 find_package(PkgConfig REQUIRED)

src/Compositor.cpp

@@ -62,6 +62,8 @@ CCompositor::CCompositor() {
     wl_signal_add(&m_sWLRSeat->events.request_set_cursor, &Events::listen_requestMouse);
     wl_signal_add(&m_sWLRSeat->events.request_set_selection, &Events::listen_requestSetSel);
 
+    m_sWLRPresentation = wlr_presentation_create(m_sWLDisplay, m_sWLRBackend);
+
     // TODO: XWayland
 }
 
@@ -82,6 +84,9 @@ void CCompositor::startCompositor() {
 
     Debug::log(LOG, "Creating the InputManager!");
     g_pInputManager = std::make_unique<CInputManager>();
+
+    Debug::log(LOG, "Creating the HyprRenderer!");
+    g_pHyprRenderer = std::make_unique<CHyprRenderer>();
     //
     //
 
@@ -111,4 +116,31 @@ void CCompositor::startCompositor() {
     // This blocks until we are done.
     Debug::log(LOG, "Hyprland is ready, running the event loop!");
     wl_display_run(m_sWLDisplay);
+}
+
+SMonitor* CCompositor::getMonitorFromID(const int& id) {
+    for (auto& m : m_vMonitors) {
+        if (m.ID == id) {
+            return &m;
+        }
+    }
+
+    return nullptr;
+}
+
+SMonitor* CCompositor::getMonitorFromCursor() {
+    const auto COORDS = g_pInputManager->getMouseCoordsInternal();
+    const auto OUTPUT = wlr_output_layout_output_at(m_sWLROutputLayout, COORDS.x, COORDS.y);
+
+    if (!OUTPUT) {
+        Debug::log(WARN, "getMonitorFromCursor: cursour outside monitors??");
+        return &m_vMonitors[0];
+    }
+
+    for (auto& m : m_vMonitors) {
+        if (m.output == OUTPUT)
+            return &m;
+    }
+
+    return &m_vMonitors[0];
 }

src/Compositor.hpp

@@ -10,6 +10,8 @@
 #include "ManagerThread.hpp"
 #include "input/InputManager.hpp"
 #include "helpers/Monitor.hpp"
+#include "Window.hpp"
+#include "render/Renderer.hpp"
 
 class CCompositor {
 public:
@@ -42,8 +44,15 @@ public:
     const char*             m_szWLDisplaySocket;
 
     std::deque<SMonitor>    m_vMonitors;
+    std::deque<CWindow>     m_vWindows;
 
     void                    startCompositor(); 
+
+
+    // ------------------------------------------------- //
+
+    SMonitor*               getMonitorFromID(const int&);
+    SMonitor*               getMonitorFromCursor();
 };
 
 

src/ManagerThread.cpp

@@ -1,7 +1,7 @@
 #include "ManagerThread.hpp"
 
 CManagerThread::CManagerThread() {
-    m_tMainThread = new std::thread([=]() {
+    m_tMainThread = new std::thread([&]() {
         // Call the handle method.
         this->handle();
     });

src/Window.hpp

@@ -0,0 +1,40 @@
+#pragma once
+
+#include "defines.hpp"
+#include "events/Events.hpp"
+
+
+class CWindow {
+public:
+
+    DYNLISTENER(commitWindow);
+    DYNLISTENER(mapWindow);
+    DYNLISTENER(unmapWindow);
+    DYNLISTENER(destroyWindow);
+    DYNLISTENER(setTitleWindow);
+    DYNLISTENER(fullscreenWindow);
+
+    union {
+        wlr_xdg_surface* xdg;
+        wlr_xwayland_surface* xwayland;
+    } m_uSurface;
+
+    // TODO: XWayland
+
+    // this is the position and size of the "bounding box"
+    Vector2D            m_vPosition = Vector2D(0,0);
+    Vector2D            m_vSize = Vector2D(0,0);
+
+    // this is the position and size of the goal placement
+    Vector2D            m_vEffectivePosition = Vector2D(0,0);
+    Vector2D            m_vEffectiveSize = Vector2D(0,0);
+
+    // this is the real position and size used to draw the thing
+    Vector2D            m_vRealPosition = Vector2D(0,0);
+    Vector2D            m_vRealSize = Vector2D(0,0);
+
+    uint64_t        m_iTags = 0;
+    bool            m_bIsFloating = false;
+    bool            m_bIsFullscreen = false;
+    uint64_t        m_iMonitorID = -1;
+};

src/defines.hpp

@@ -9,4 +9,6 @@
 #define RIP(format, ... ) { fprintf(stderr, format "\n", ##__VA_ARGS__); exit(EXIT_FAILURE); }
 
 #define LISTENER(name) void listener_##name(wl_listener*, void*); inline wl_listener listen_##name = { .notify = listener_##name };
-#define DYNLISTENER(name) wl_listener listen_##name = { .notify = Events::listener_##name };
+#define DYNLISTENER(name) wl_listener listen_##name = { .notify = Events::listener_##name };
+
+#define VECINRECT(vec, x1, y1, x2, y2) (vec.x >= (x1) && vec.x <= (x2) && vec.y >= (y1) && vec.y <= (y2))

src/events/Events.cpp

@@ -3,6 +3,7 @@
 #include "../Compositor.hpp"
 #include "../helpers/WLClasses.hpp"
 #include "../input/InputManager.hpp"
+#include "../render/Renderer.hpp"
 
 void Events::listener_activate(wl_listener* listener, void* data) {
     // TODO
@@ -60,8 +61,8 @@ void Events::listener_newOutput(wl_listener* listener, void* data) {
     g_pCompositor->m_vMonitors.push_back(newMonitor);
     //
 
-    wl_signal_add(&OUTPUT->events.frame, &g_pCompositor->m_vMonitors[g_pCompositor->m_vMonitors.size() - 1].listen_monitorFrame);
-    wl_signal_add(&OUTPUT->events.destroy, &g_pCompositor->m_vMonitors[g_pCompositor->m_vMonitors.size() - 1].listen_monitorDestroy);
+    wl_signal_add(&OUTPUT->events.frame, &g_pCompositor->m_vMonitors.back().listen_monitorFrame);
+    wl_signal_add(&OUTPUT->events.destroy, &g_pCompositor->m_vMonitors.back().listen_monitorDestroy);
 
     wlr_output_enable(OUTPUT, 1);
     if (!wlr_output_commit(OUTPUT)) {
@@ -80,7 +81,6 @@ void Events::listener_monitorFrame(wl_listener* listener, void* data) {
     timespec now;
     clock_gettime(CLOCK_MONOTONIC, &now);
     const float bgcol[4] = {0.1f,0.1f,0.1f,1.f};
-    const float rectcol[4] = {0.69f,0.1f,0.69f,1.f};
 
     if (!wlr_output_attach_render(PMONITOR->output, nullptr))
         return;
@@ -88,7 +88,7 @@ void Events::listener_monitorFrame(wl_listener* listener, void* data) {
     wlr_renderer_begin(g_pCompositor->m_sWLRRenderer, PMONITOR->vecSize.x, PMONITOR->vecSize.y);
     wlr_renderer_clear(g_pCompositor->m_sWLRRenderer, bgcol);
 
-    // TODO: render clients
+    g_pHyprRenderer->renderAllClientsForMonitor(PMONITOR->ID, &now);
 
     wlr_output_render_software_cursors(PMONITOR->output, NULL);
 
@@ -118,7 +118,6 @@ void Events::listener_newLayerSurface(wl_listener* listener, void* data) {
     const auto PMONITOR = (SMonitor*)WLRLAYERSURFACE->output->data;
     PMONITOR->m_dLayerSurfaces.push_back(SLayerSurface());
     SLayerSurface* layerSurface = &PMONITOR->m_dLayerSurfaces[PMONITOR->m_dLayerSurfaces.size() - 1];
-    wlr_layer_surface_v1_state oldState;
 
     if (!WLRLAYERSURFACE->output) {
         WLRLAYERSURFACE->output = g_pCompositor->m_vMonitors[0].output; // TODO: current mon
@@ -151,6 +150,35 @@ void Events::listener_commitLayerSurface(wl_listener* listener, void* data) {
     
 }
 
+void Events::listener_mapWindow(wl_listener* listener, void* data) {
+    CWindow* PWINDOW = wl_container_of(listener, PWINDOW, listen_mapWindow);
+
+    const auto PMONITOR = g_pCompositor->getMonitorFromCursor();
+    PWINDOW->m_iMonitorID = PMONITOR->ID;
+
+    // test
+    wlr_xdg_toplevel_set_size(PWINDOW->m_uSurface.xdg->toplevel, PMONITOR->vecSize.x, PMONITOR->vecSize.y);
+}
+
+void Events::listener_unmapWindow(wl_listener* listener, void* data) {
+
+}
+
+void Events::listener_commitWindow(wl_listener* listener, void* data) {
+
+}
+
+void Events::listener_destroyWindow(wl_listener* listener, void* data) {
+    
+}
+
+void Events::listener_setTitleWindow(wl_listener* listener, void* data) {
+    
+}
+
+void Events::listener_fullscreenWindow(wl_listener* listener, void* data) {
+
+}
 
 void Events::listener_mouseAxis(wl_listener* listener, void* data) {
     // TODO:
@@ -200,7 +228,22 @@ void Events::listener_newKeyboard(wl_listener* listener, void* data) {
 }
 
 void Events::listener_newXDGSurface(wl_listener* listener, void* data) {
-    
+    // A window got opened
+    const auto XDGSURFACE = (wlr_xdg_surface*)data;
+
+    if (XDGSURFACE->role != WLR_XDG_SURFACE_ROLE_TOPLEVEL)
+        return; // TODO: handle?
+
+    g_pCompositor->m_vWindows.push_back(CWindow());
+    const auto PNEWWINDOW = &g_pCompositor->m_vWindows.back();
+    PNEWWINDOW->m_uSurface.xdg = XDGSURFACE;
+
+    wl_signal_add(&XDGSURFACE->surface->events.commit, &PNEWWINDOW->listen_commitWindow);
+    wl_signal_add(&XDGSURFACE->events.map, &PNEWWINDOW->listen_mapWindow);
+    wl_signal_add(&XDGSURFACE->events.unmap, &PNEWWINDOW->listen_unmapWindow);
+    wl_signal_add(&XDGSURFACE->events.destroy, &PNEWWINDOW->listen_destroyWindow);
+    wl_signal_add(&XDGSURFACE->toplevel->events.set_title, &PNEWWINDOW->listen_setTitleWindow);
+    wl_signal_add(&XDGSURFACE->toplevel->events.request_fullscreen, &PNEWWINDOW->listen_fullscreenWindow);
 }
 
 void Events::listener_outputMgrApply(wl_listener* listener, void* data) {

src/events/Events.hpp

@@ -5,13 +5,22 @@ namespace Events {
     LISTENER(activate);
     LISTENER(change);
     LISTENER(newOutput);
+
     LISTENER(newLayerSurface);
     LISTENER(destroyLayerSurface);
     LISTENER(mapLayerSurface);
     LISTENER(unmapLayerSurface);
     LISTENER(commitLayerSurface);
+
     LISTENER(newXDGSurface);
 
+    LISTENER(commitWindow);
+    LISTENER(mapWindow);
+    LISTENER(unmapWindow);
+    LISTENER(destroyWindow);
+    LISTENER(setTitleWindow);
+    LISTENER(fullscreenWindow);
+
     LISTENER(mouseMove);
     LISTENER(mouseMoveAbsolute);
     LISTENER(mouseButton);

src/helpers/WLClasses.hpp

@@ -15,4 +15,11 @@ struct SLayerSurface {
 
     wlr_box                 geometry;
     zwlr_layer_shell_v1_layer layer;
-};
+};
+
+struct SRenderData {
+    wlr_output* output;
+    timespec* when;
+    int x;
+    int y;
+};

src/render/Renderer.cpp

@@ -0,0 +1,57 @@
+#include "Renderer.hpp"
+#include "../Compositor.hpp"
+
+void scaleBox(wlr_box* box, float scale) {
+    box->width = std::round((box->x + box->width) * scale) - std::round(box->x * scale);
+    box->height = std::round((box->y + box->height) * scale) - std::round(box->y * scale);
+    box->x = std::round(box->x * scale);
+    box->y = std::round(box->y * scale);
+}
+
+void renderSurface(struct wlr_surface* surface, int x, int y, void* data) {
+    const auto TEXTURE = wlr_surface_get_texture(surface);
+    const auto RDATA = (SRenderData*)data;
+
+    if (!TEXTURE)
+        return;
+
+    double outputX = 0, outputY = 0;
+    wlr_output_layout_output_coords(g_pCompositor->m_sWLROutputLayout, RDATA->output, &outputX, &outputY);
+
+    wlr_box windowBox = {outputX + RDATA->x + x, outputY + RDATA->y + y, surface->current.width, surface->current.height};
+    scaleBox(&windowBox, RDATA->output->scale);
+
+    const auto TRANSFORM = wlr_output_transform_invert(surface->current.transform);
+    float matrix[9];
+    wlr_matrix_project_box(matrix, &windowBox, TRANSFORM, 0, RDATA->output->transform_matrix);
+
+    wlr_render_texture_with_matrix(g_pCompositor->m_sWLRRenderer, TEXTURE, matrix, 1); // TODO: fadein/out
+
+    wlr_surface_send_frame_done(surface, RDATA->when);
+
+    wlr_presentation_surface_sampled_on_output(g_pCompositor->m_sWLRPresentation, surface, RDATA->output);
+}
+
+void CHyprRenderer::renderAllClientsForMonitor(const int& ID, timespec* time) {
+    const auto PMONITOR = g_pCompositor->getMonitorFromID(ID);
+
+    if (!PMONITOR)
+        return;
+
+    for (auto& w : g_pCompositor->m_vWindows) {
+
+        const wlr_box geom = { w.m_vPosition.x, w.m_vPosition.y, w.m_vSize.x, w.m_vSize.y };
+
+        if (!wlr_output_layout_intersects(g_pCompositor->m_sWLROutputLayout, PMONITOR->output, &geom))
+            continue;
+
+        // render the bad boy
+
+        wlr_output_layout_output_coords(g_pCompositor->m_sWLROutputLayout, PMONITOR->output, &w.m_vPosition.x, &w.m_vPosition.y);
+
+        SRenderData renderdata = {PMONITOR->output, time, w.m_vSize.x, w.m_vSize.y};
+
+        wlr_surface_for_each_surface(w.m_uSurface.xdg->surface, renderSurface, &renderdata);
+        wlr_xdg_surface_for_each_popup_surface(w.m_uSurface.xdg, renderSurface, &renderdata);
+    }
+}

src/render/Renderer.hpp

@@ -0,0 +1,13 @@
+#pragma once
+
+#include "../defines.hpp"
+
+class CHyprRenderer {
+public:
+
+    void                renderAllClientsForMonitor(const int&, timespec*);
+
+private:
+};
+
+inline std::unique_ptr<CHyprRenderer> g_pHyprRenderer;