mirror of
https://github.com/gnif/LookingGlass.git
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e70cfd84fb
Instead of damaging the entire surface when rendering a cursor move, we can use the EGL_KHR_swap_buffers_with_damage extension to only damage the part of the window covered by the cursor. This should reduce the cursor movement latency on Wayland.
96 lines
3.7 KiB
C
96 lines
3.7 KiB
C
/*
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Looking Glass - KVM FrameRelay (KVMFR) Client
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Copyright (C) 2021 Guanzhong Chen (quantum2048@gmail.com)
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Copyright (C) 2021 Tudor Brindus (contact@tbrindus.ca)
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https://looking-glass.io
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This program is free software; you can redistribute it and/or modify it under
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the terms of the GNU General Public License as published by the Free Software
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Foundation; either version 2 of the License, or (at your option) any later
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version.
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This program is distributed in the hope that it will be useful, but WITHOUT ANY
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WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A
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PARTICULAR PURPOSE. See the GNU General Public License for more details.
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You should have received a copy of the GNU General Public License along with
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this program; if not, write to the Free Software Foundation, Inc., 59 Temple
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Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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#include "wayland.h"
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#include <stdbool.h>
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#include <string.h>
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#include <wayland-client.h>
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#include "common/debug.h"
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static void registryGlobalHandler(void * data, struct wl_registry * registry,
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uint32_t name, const char * interface, uint32_t version)
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{
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if (!strcmp(interface, wl_output_interface.name))
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waylandOutputBind(name, version);
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else if (!strcmp(interface, wl_seat_interface.name) && !wlWm.seat)
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wlWm.seat = wl_registry_bind(wlWm.registry, name, &wl_seat_interface, 1);
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else if (!strcmp(interface, wl_shm_interface.name))
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wlWm.shm = wl_registry_bind(wlWm.registry, name, &wl_shm_interface, 1);
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else if (!strcmp(interface, wl_compositor_interface.name) && version >= 3)
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wlWm.compositor = wl_registry_bind(wlWm.registry, name,
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// we only need v3 to run, but v4 can use eglSwapBuffersWithDamageKHR
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&wl_compositor_interface, version > 4 ? 4 : version);
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#ifndef ENABLE_LIBDECOR
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else if (!strcmp(interface, xdg_wm_base_interface.name))
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wlWm.xdgWmBase = wl_registry_bind(wlWm.registry, name, &xdg_wm_base_interface, 1);
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else if (!strcmp(interface, zxdg_decoration_manager_v1_interface.name))
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wlWm.xdgDecorationManager = wl_registry_bind(wlWm.registry, name,
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&zxdg_decoration_manager_v1_interface, 1);
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#endif
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else if (!strcmp(interface, zwp_relative_pointer_manager_v1_interface.name))
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wlWm.relativePointerManager = wl_registry_bind(wlWm.registry, name,
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&zwp_relative_pointer_manager_v1_interface, 1);
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else if (!strcmp(interface, zwp_pointer_constraints_v1_interface.name))
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wlWm.pointerConstraints = wl_registry_bind(wlWm.registry, name,
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&zwp_pointer_constraints_v1_interface, 1);
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else if (!strcmp(interface, zwp_keyboard_shortcuts_inhibit_manager_v1_interface.name))
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wlWm.keyboardInhibitManager = wl_registry_bind(wlWm.registry, name,
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&zwp_keyboard_shortcuts_inhibit_manager_v1_interface, 1);
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else if (!strcmp(interface, wl_data_device_manager_interface.name) && version >= 3)
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wlWm.dataDeviceManager = wl_registry_bind(wlWm.registry, name,
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&wl_data_device_manager_interface, 3);
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else if (!strcmp(interface, zwp_idle_inhibit_manager_v1_interface.name))
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wlWm.idleInhibitManager = wl_registry_bind(wlWm.registry, name,
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&zwp_idle_inhibit_manager_v1_interface, 1);
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}
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static void registryGlobalRemoveHandler(void * data,
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struct wl_registry * registry, uint32_t name)
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{
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waylandOutputTryUnbind(name);
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}
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static const struct wl_registry_listener registryListener = {
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.global = registryGlobalHandler,
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.global_remove = registryGlobalRemoveHandler,
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};
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bool waylandRegistryInit(void)
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{
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wlWm.registry = wl_display_get_registry(wlWm.display);
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if (!wlWm.registry)
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{
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DEBUG_ERROR("Unable to find wl_registry");
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return false;
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}
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wl_registry_add_listener(wlWm.registry, ®istryListener, NULL);
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wl_display_roundtrip(wlWm.display);
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return true;
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}
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void waylandRegistryFree(void)
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{
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wl_registry_destroy(wlWm.registry);
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}
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