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[client] egl: use eglSwapBuffersWithDamageKHR for cursor-only updates

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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.
This commit is contained in:
Quantum
2021-05-11 16:49:39 -04:00
committed by Geoffrey McRae
parent f9a9953071
commit e70cfd84fb
14 changed files with 140 additions and 15 deletions
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4
client/displayservers/Wayland/registry.c
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@@ -37,7 +37,9 @@ static void registryGlobalHandler(void * data, struct wl_registry * registry,
else if (!strcmp(interface, wl_shm_interface.name))
wlWm.shm = wl_registry_bind(wlWm.registry, name, &wl_shm_interface, 1);
else if (!strcmp(interface, wl_compositor_interface.name) && version >= 3)
wlWm.compositor = wl_registry_bind(wlWm.registry, name, &wl_compositor_interface, 3);
wlWm.compositor = wl_registry_bind(wlWm.registry, name,
// we only need v3 to run, but v4 can use eglSwapBuffersWithDamageKHR
&wl_compositor_interface, version > 4 ? 4 : version);
#ifndef ENABLE_LIBDECOR
else if (!strcmp(interface, xdg_wm_base_interface.name))
wlWm.xdgWmBase = wl_registry_bind(wlWm.registry, name, &xdg_wm_base_interface, 1);