mirror of
https://github.com/Almamu/linux-wallpaperengine.git
synced 2025-07-14 13:22:23 +08:00
491 lines
18 KiB
C++
491 lines
18 KiB
C++
#include "CWaylandOpenGLDriver.h"
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#include "WallpaperEngine/Application/CWallpaperApplication.h"
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#include <FreeImage.h>
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#include "common.h"
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#define class _class
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#define namespace _namespace
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#define static
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extern "C" {
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#include "xdg-shell-protocol.h"
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#include "wlr-layer-shell-unstable-v1-protocol.h"
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}
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#undef class
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#undef namespace
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#undef static
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#include <string.h>
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using namespace WallpaperEngine::Render::Drivers;
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static void handlePointerEnter(void* data, struct wl_pointer* wl_pointer, uint32_t serial, struct wl_surface* surface, wl_fixed_t surface_x, wl_fixed_t surface_y) {
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const auto PDRIVER = (CWaylandOpenGLDriver*)data;
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const auto PLS = PDRIVER->surfaceToLS(surface);
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PDRIVER->lastLSInFocus = PLS;
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wl_surface_set_buffer_scale(PLS->cursorSurface, PLS->output->scale);
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wl_surface_attach(PLS->cursorSurface, wl_cursor_image_get_buffer(PLS->pointer->images[0]), 0, 0);
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wl_pointer_set_cursor(wl_pointer, serial, PLS->cursorSurface, PLS->pointer->images[0]->hotspot_x, PLS->pointer->images[0]->hotspot_y);
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wl_surface_commit(PLS->cursorSurface);
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}
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static void handlePointerLeave(void* data, struct wl_pointer* wl_pointer, uint32_t serial, struct wl_surface* surface) {
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// ignored
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}
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static void handlePointerAxis(void* data, wl_pointer* wl_pointer, uint32_t time, uint32_t axis, wl_fixed_t value) {
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// ignored
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}
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static void handlePointerMotion(void* data, struct wl_pointer* wl_pointer, uint32_t time, wl_fixed_t surface_x, wl_fixed_t surface_y) {
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auto x = wl_fixed_to_double(surface_x);
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auto y = wl_fixed_to_double(surface_y);
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const auto PDRIVER = (CWaylandOpenGLDriver*)data;
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if (!PDRIVER->lastLSInFocus)
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return;
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PDRIVER->lastLSInFocus->mousePos = {x, y};
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}
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static void handlePointerButton(void* data, struct wl_pointer* wl_pointer, uint32_t serial, uint32_t time, uint32_t button, uint32_t button_state) {
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// ignored
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}
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const struct wl_pointer_listener pointerListener = { .enter = handlePointerEnter, .leave = handlePointerLeave, .motion = handlePointerMotion, .button = handlePointerButton, .axis = handlePointerAxis };
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static void handleCapabilities(void* data, wl_seat* wl_seat, uint32_t capabilities) {
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if (capabilities & WL_SEAT_CAPABILITY_POINTER)
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wl_pointer_add_listener(wl_seat_get_pointer(wl_seat), &pointerListener, data);
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}
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const struct wl_seat_listener seatListener = { .capabilities = handleCapabilities };
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static void geometry(void* data, wl_output* output, int32_t x, int32_t y, int32_t width_mm, int32_t height_mm, int32_t subpixel, const char* make, const char* model,
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int32_t transform) {
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// ignored
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}
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static void mode(void* data, wl_output* output, uint32_t flags, int32_t width, int32_t height, int32_t refresh) {
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const auto PMONITOR = (SWaylandOutput*)data;
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PMONITOR->size = {width, height};
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PMONITOR->lsSize = {width, height};
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if (PMONITOR->layerSurface.get())
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PMONITOR->driver->resizeLSSurfaceEGL(PMONITOR->layerSurface.get());
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if (PMONITOR->initialized)
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PMONITOR->driver->wallpaperApplication->getOutput()->reset();
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}
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static void done(void* data, wl_output* wl_output) {
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const auto PMONITOR = (SWaylandOutput*)data;
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PMONITOR->initialized = true;
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}
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static void scale(void* data, wl_output* wl_output, int32_t scale) {
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const auto PMONITOR = (SWaylandOutput*)data;
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PMONITOR->scale = scale;
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if (PMONITOR->layerSurface.get())
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PMONITOR->driver->resizeLSSurfaceEGL(PMONITOR->layerSurface.get());
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if (PMONITOR->initialized)
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PMONITOR->driver->wallpaperApplication->getOutput()->reset();
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}
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static void name(void* data, wl_output* wl_output, const char* name) {
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const auto PMONITOR = (SWaylandOutput*)data;
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if (name)
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PMONITOR->name = name;
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}
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static void description(void* data, wl_output* wl_output, const char* description) {
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// ignored
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}
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const wl_output_listener outputListener = {.geometry = geometry, .mode = mode, .done = done, .scale = scale, .name = name, .description = description};
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static void handleGlobal(void *data, struct wl_registry *registry, uint32_t name, const char *interface, uint32_t version) {
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const auto PDRIVER = (CWaylandOpenGLDriver*)data;
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if (strcmp(interface, wl_compositor_interface.name) == 0) {
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PDRIVER->waylandContext.compositor = (wl_compositor*)wl_registry_bind(registry, name, &wl_compositor_interface, 4);
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} else if (strcmp(interface, wl_shm_interface.name) == 0) {
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PDRIVER->waylandContext.shm = (wl_shm*)wl_registry_bind(registry, name, &wl_shm_interface, 1);
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} else if (strcmp(interface, wl_output_interface.name) == 0) {
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const auto POUTPUT = PDRIVER->m_outputs.emplace_back(std::make_unique<SWaylandOutput>()).get();
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POUTPUT->output = (wl_output*)wl_registry_bind(registry, name, &wl_output_interface, 4);
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POUTPUT->name = "";
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POUTPUT->size = {0, 0};
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POUTPUT->waylandName = name;
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POUTPUT->driver = PDRIVER;
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wl_output_add_listener(POUTPUT->output, &outputListener, POUTPUT);
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} else if (strcmp(interface, zwlr_layer_shell_v1_interface.name) == 0) {
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PDRIVER->waylandContext.layerShell = (zwlr_layer_shell_v1*)wl_registry_bind(registry, name, &zwlr_layer_shell_v1_interface, 1);
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} else if (strcmp(interface, wl_seat_interface.name) == 0) {
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PDRIVER->waylandContext.seat = (wl_seat*)wl_registry_bind(registry, name, &wl_seat_interface, 1);
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wl_seat_add_listener(PDRIVER->waylandContext.seat, &seatListener, PDRIVER);
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}
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}
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static void handleGlobalRemoved(void *data, struct wl_registry *registry, uint32_t id) {
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// todo: outputs
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}
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const struct wl_registry_listener registryListener = {
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.global = handleGlobal,
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.global_remove = handleGlobalRemoved,
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};
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void CWaylandOpenGLDriver::initEGL() {
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const char* CLIENT_EXTENSIONS = eglQueryString(EGL_NO_DISPLAY, EGL_EXTENSIONS);
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if (!CLIENT_EXTENSIONS)
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sLog.exception("Failed to query EGL Extensions");
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const std::string CLIENTEXTENSIONS = std::string(CLIENT_EXTENSIONS);
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if (CLIENTEXTENSIONS.find("EGL_EXT_platform_base") == std::string::npos)
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sLog.exception("EGL_EXT_platform_base not supported by EGL!");
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if (CLIENTEXTENSIONS.find("EGL_EXT_platform_wayland") == std::string::npos)
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sLog.exception("EGL_EXT_platform_wayland not supported by EGL!");
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PFNEGLGETPLATFORMDISPLAYEXTPROC eglGetPlatformDisplayEXT = (PFNEGLGETPLATFORMDISPLAYEXTPROC)eglGetProcAddress("eglGetPlatformDisplayEXT");
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eglContext.eglCreatePlatformWindowSurfaceEXT = (PFNEGLCREATEPLATFORMWINDOWSURFACEEXTPROC)eglGetProcAddress("eglCreatePlatformWindowSurfaceEXT");
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if (!eglGetPlatformDisplayEXT || !eglContext.eglCreatePlatformWindowSurfaceEXT)
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sLog.exception("EGL did not return EXT proc pointers!");
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auto deinitEGL = [&] () -> void {
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eglMakeCurrent(EGL_NO_DISPLAY, EGL_NO_SURFACE, EGL_NO_SURFACE, EGL_NO_CONTEXT);
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if (eglContext.display)
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eglTerminate(eglContext.display);
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eglReleaseThread();
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};
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eglContext.display = eglGetPlatformDisplayEXT(EGL_PLATFORM_WAYLAND_EXT, waylandContext.display, nullptr);
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if (eglContext.display == EGL_NO_DISPLAY) {
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deinitEGL();
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sLog.exception("eglGetPlatformDisplayEXT failed!");
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}
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if (!eglInitialize(eglContext.display, nullptr, nullptr)) {
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deinitEGL();
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sLog.exception("eglInitialize failed!");
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}
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const std::string CLIENTEXTENSIONSPOSTINIT = std::string(eglQueryString(eglContext.display, EGL_EXTENSIONS));
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if (CLIENTEXTENSIONSPOSTINIT.find("EGL_KHR_create_context") == std::string::npos) {
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deinitEGL();
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sLog.exception("EGL_KHR_create_context not supported!");
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}
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EGLint matchedConfigs = 0;
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const EGLint CONFIG_ATTRIBUTES[] = {
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EGL_SURFACE_TYPE, EGL_WINDOW_BIT,
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EGL_RED_SIZE, 1,
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EGL_GREEN_SIZE, 1,
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EGL_BLUE_SIZE, 1,
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EGL_SAMPLES, 4,
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EGL_RENDERABLE_TYPE, EGL_OPENGL_BIT,
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EGL_NONE,
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};
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if (!eglChooseConfig(eglContext.display, CONFIG_ATTRIBUTES, &eglContext.config, 1, &matchedConfigs)) {
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deinitEGL();
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sLog.exception("eglChooseConfig failed!");
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}
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if (matchedConfigs == 0) {
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deinitEGL();
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sLog.exception("eglChooseConfig failed! (matched 0 configs)");
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}
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if (!eglBindAPI(EGL_OPENGL_API)) {
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deinitEGL();
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sLog.exception("eglBindAPI failed!");
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}
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const EGLint CONTEXT_ATTRIBUTES[] = {
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EGL_CONTEXT_MAJOR_VERSION_KHR, 3,
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EGL_CONTEXT_MINOR_VERSION_KHR, 3,
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EGL_CONTEXT_OPENGL_PROFILE_MASK_KHR, EGL_CONTEXT_OPENGL_CORE_PROFILE_BIT_KHR,
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EGL_NONE,
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};
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eglContext.context = eglCreateContext(eglContext.display, eglContext.config, EGL_NO_CONTEXT, CONTEXT_ATTRIBUTES);
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if (eglContext.context == EGL_NO_CONTEXT) {
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sLog.error("eglCreateContext error " + std::to_string(eglGetError()));
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deinitEGL();
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sLog.exception("eglCreateContext failed!");
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}
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}
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void CWaylandOpenGLDriver::finishEGL() {
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eglMakeCurrent(eglContext.display, EGL_NO_SURFACE, EGL_NO_SURFACE, EGL_NO_CONTEXT);
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eglDestroyContext(eglContext.display, eglContext.context);
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eglTerminate(eglContext.display);
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eglReleaseThread();
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}
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static void handleLSConfigure(void *data, zwlr_layer_surface_v1 *surface, uint32_t serial, uint32_t w, uint32_t h) {
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const auto PLS = (CLayerSurface*)data;
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PLS->size = {w, h};
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PLS->output->driver->resizeLSSurfaceEGL(PLS);
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zwlr_layer_surface_v1_ack_configure(surface, serial);
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}
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static void handleLSClosed(void *data, zwlr_layer_surface_v1 *surface) {
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const auto PLS = (CLayerSurface*)data;
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PLS->output->driver->onLayerClose(PLS);
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}
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void CWaylandOpenGLDriver::onLayerClose(CLayerSurface* layerSurface) {
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eglDestroySurface(eglContext.display, layerSurface->eglSurface);
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wl_egl_window_destroy(layerSurface->eglWindow);
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zwlr_layer_surface_v1_destroy(layerSurface->layerSurface);
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wl_surface_destroy(layerSurface->surface);
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sLog.exception("Compositor closed our LS!"); // todo: handle this?
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}
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const struct zwlr_layer_surface_v1_listener layerSurfaceListener = {
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.configure = handleLSConfigure,
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.closed = handleLSClosed,
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};
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static void surfaceFrameCallback(void *data, struct wl_callback *cb, uint32_t time) {
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const auto PLS = (CLayerSurface*)data;
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wl_callback_destroy(cb);
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PLS->frameCallback = nullptr;
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PLS->output->rendering = true;
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PLS->output->driver->wallpaperApplication->renderFrame();
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PLS->output->rendering = false;
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}
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const struct wl_callback_listener frameListener = {
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.done = surfaceFrameCallback
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};
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CLayerSurface::CLayerSurface(CWaylandOpenGLDriver* pDriver, SWaylandOutput* pOutput) {
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surface = wl_compositor_create_surface(pDriver->waylandContext.compositor);
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layerSurface = zwlr_layer_shell_v1_get_layer_surface(pDriver->waylandContext.layerShell, surface, pOutput->output, ZWLR_LAYER_SHELL_V1_LAYER_BACKGROUND, "linux-wallpaperengine");
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output = pOutput;
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if (!layerSurface)
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sLog.exception("Failed to get a layer surface");
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wl_region* region = wl_compositor_create_region(pDriver->waylandContext.compositor);
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wl_region_add(region, 0, 0, INT32_MAX, INT32_MAX);
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zwlr_layer_surface_v1_set_size(layerSurface, 0, 0);
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zwlr_layer_surface_v1_set_anchor(layerSurface, ZWLR_LAYER_SURFACE_V1_ANCHOR_RIGHT | ZWLR_LAYER_SURFACE_V1_ANCHOR_LEFT | ZWLR_LAYER_SURFACE_V1_ANCHOR_TOP | ZWLR_LAYER_SURFACE_V1_ANCHOR_BOTTOM);
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zwlr_layer_surface_v1_set_keyboard_interactivity(layerSurface, false);
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zwlr_layer_surface_v1_add_listener(layerSurface, &layerSurfaceListener, this);
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zwlr_layer_surface_v1_set_exclusive_zone(layerSurface, -1);
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wl_surface_set_input_region(surface, region);
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wl_surface_commit(surface);
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wl_display_roundtrip(pDriver->waylandContext.display);
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eglWindow = wl_egl_window_create(surface, size.x * output->scale, size.y * output->scale);
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eglSurface = pDriver->eglContext.eglCreatePlatformWindowSurfaceEXT(pDriver->eglContext.display, pDriver->eglContext.config, eglWindow, nullptr);
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output->lsSize = size;
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wl_surface_commit(surface);
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wl_display_roundtrip(pDriver->waylandContext.display);
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wl_display_flush(pDriver->waylandContext.display);
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static const auto XCURSORSIZE = getenv("XCURSOR_SIZE") ? std::stoi(getenv("XCURSOR_SIZE")) : 24;
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const auto PRCURSORTHEME = wl_cursor_theme_load(getenv("XCURSOR_THEME"), XCURSORSIZE * output->scale, pDriver->waylandContext.shm);
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if (!PRCURSORTHEME)
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sLog.exception("Failed to get a cursor theme");
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pointer = wl_cursor_theme_get_cursor(PRCURSORTHEME, "left_ptr");
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cursorSurface = wl_compositor_create_surface(pDriver->waylandContext.compositor);
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if (!cursorSurface)
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sLog.exception("Failed to get a cursor surface");
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if (eglMakeCurrent(pDriver->eglContext.display, eglSurface, eglSurface, pDriver->eglContext.context) == EGL_FALSE)
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sLog.exception("Failed to make egl current");
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}
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CLayerSurface::~CLayerSurface() {
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;
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}
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CWaylandOpenGLDriver::CWaylandOpenGLDriver(const char* windowTitle, CApplicationContext& context, CWallpaperApplication* app) : m_frameCounter(0) {
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wallpaperApplication = app;
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waylandContext.display = wl_display_connect(NULL);
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if (!waylandContext.display)
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sLog.exception("Failed to query wayland display");
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waylandContext.registry = wl_display_get_registry(waylandContext.display);
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wl_registry_add_listener(waylandContext.registry, ®istryListener, this);
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wl_display_dispatch(waylandContext.display);
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wl_display_roundtrip(waylandContext.display);
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if (!waylandContext.compositor || !waylandContext.shm || !waylandContext.layerShell || m_outputs.empty())
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sLog.exception("Failed to bind to required interfaces");
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initEGL();
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bool any = false;
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for (auto& o : m_outputs) {
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if (std::find_if(context.settings.general.screenBackgrounds.begin(), context.settings.general.screenBackgrounds.end(), [&] (const auto& e) { return e.first == o->name; }) != context.settings.general.screenBackgrounds.end()) {
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o->layerSurface = std::make_unique<CLayerSurface>(this, o.get());
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any = true;
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}
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}
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if (!any && std::find_if(context.settings.general.screenBackgrounds.begin(), context.settings.general.screenBackgrounds.end(), [&] (const auto& e) { return e.first == "auto"; }) != context.settings.general.screenBackgrounds.end()) {
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m_outputs[0]->layerSurface = std::make_unique<CLayerSurface>(this, m_outputs[0].get());
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any = true;
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}
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if (!any)
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sLog.exception("No outputs could be initialized!");
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GLenum result = glewInit ();
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if (result != GLEW_OK)
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sLog.error("Failed to initialize GLEW: ", glewGetErrorString (result));
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FreeImage_Initialise (TRUE);
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}
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CWaylandOpenGLDriver::~CWaylandOpenGLDriver() {
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;
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}
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void CWaylandOpenGLDriver::dispatchEventQueue() const {
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wl_display_dispatch(waylandContext.display);
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}
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void* CWaylandOpenGLDriver::getWindowHandle () const {
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return nullptr;
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}
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float CWaylandOpenGLDriver::getRenderTime () const {
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return (float)std::chrono::duration_cast<std::chrono::microseconds>(std::chrono::high_resolution_clock::now() - renderStart).count() / 1000000.0;
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}
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bool CWaylandOpenGLDriver::closeRequested () {
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return false;
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}
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void CWaylandOpenGLDriver::resizeWindow (glm::ivec2 size) {
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;
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}
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void CWaylandOpenGLDriver::resizeWindow (glm::ivec4 sizeandpos) {
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;
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}
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void CWaylandOpenGLDriver::showWindow () {
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;
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}
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void CWaylandOpenGLDriver::hideWindow () {
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;
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}
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glm::ivec2 CWaylandOpenGLDriver::getFramebufferSize () const {
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return glm::ivec2{0, 0};
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}
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void CWaylandOpenGLDriver::swapBuffers () {
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;
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}
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void CWaylandOpenGLDriver::resizeLSSurfaceEGL(CLayerSurface* layerSurface) {
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if (layerSurface->eglWindow) {
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layerSurface->output->lsSize = layerSurface->size;
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wl_egl_window_resize(layerSurface->eglWindow, layerSurface->size.x * layerSurface->output->scale, layerSurface->size.y * layerSurface->output->scale, 0, 0);
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if (layerSurface->frameCallback) {
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wl_callback_destroy(layerSurface->frameCallback);
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layerSurface->frameCallback = nullptr;
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}
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wallpaperApplication->getOutput()->reset();
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layerSurface->output->rendering = true;
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wallpaperApplication->renderFrame();
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layerSurface->output->rendering = false;
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}
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}
|
|
|
|
uint32_t CWaylandOpenGLDriver::getFrameCounter () const {
|
|
return m_frameCounter;
|
|
}
|
|
|
|
GLFWwindow* CWaylandOpenGLDriver::getWindow () {
|
|
return nullptr;
|
|
}
|
|
|
|
#include <iostream>
|
|
|
|
void CWaylandOpenGLDriver::makeCurrent(const std::string& outputName) const {
|
|
for (auto& o : m_outputs) {
|
|
if (o->name != outputName)
|
|
continue;
|
|
|
|
if (eglMakeCurrent(eglContext.display, o->layerSurface->eglSurface, o->layerSurface->eglSurface, eglContext.context) == EGL_FALSE) {
|
|
std::cerr << "Couldn't make egl current";
|
|
}
|
|
}
|
|
}
|
|
|
|
CLayerSurface* CWaylandOpenGLDriver::surfaceToLS(wl_surface* surface) {
|
|
for (auto& o : m_outputs) {
|
|
if (o->layerSurface->surface == surface)
|
|
return o->layerSurface.get();
|
|
}
|
|
|
|
return nullptr;
|
|
}
|
|
|
|
bool CWaylandOpenGLDriver::shouldRenderOutput(const std::string& outputName) const {
|
|
for (auto& o : m_outputs) {
|
|
if (o->name == outputName)
|
|
return o->layerSurface.get() && (o->rendering || !o->layerSurface->callbackInitialized);
|
|
}
|
|
|
|
return false;
|
|
}
|
|
|
|
bool CWaylandOpenGLDriver::requiresSeparateFlips() const {
|
|
return true;
|
|
}
|
|
|
|
void CWaylandOpenGLDriver::swapOutputBuffer(const std::string& outputName) {
|
|
for (auto& o : m_outputs) {
|
|
if (o->name != outputName)
|
|
continue;
|
|
|
|
o->layerSurface->callbackInitialized = true;
|
|
|
|
eglMakeCurrent(eglContext.display, o->layerSurface->eglSurface, o->layerSurface->eglSurface, eglContext.context);
|
|
o->layerSurface->frameCallback = wl_surface_frame(o->layerSurface->surface);
|
|
wl_callback_add_listener(o->layerSurface->frameCallback, &frameListener, o->layerSurface.get());
|
|
eglSwapBuffers(eglContext.display, o->layerSurface->eglSurface);
|
|
wl_surface_set_buffer_scale(o->layerSurface->surface, o->scale);
|
|
wl_surface_damage_buffer(o->layerSurface->surface, 0, 0, INT32_MAX, INT32_MAX);
|
|
wl_surface_commit(o->layerSurface->surface);
|
|
|
|
m_frameCounter++;
|
|
}
|
|
}
|