From b42fc4f2b104b555ef7aca75c4d0edc894d11478 Mon Sep 17 00:00:00 2001
From: emersion <contact@emersion.fr>
Date: Sun, 28 Oct 2018 09:49:30 +0100
Subject: render: on Wayland, make eglSwapBuffers non-blocking

---
 render/egl.c | 7 +++++++
 1 file changed, 7 insertions(+)

(limited to 'render')

diff --git a/render/egl.c b/render/egl.c
index cfa37f20..644f94ac 100644
--- a/render/egl.c
+++ b/render/egl.c
@@ -130,6 +130,8 @@ bool wlr_egl_init(struct wlr_egl *egl, EGLenum platform, void *remote_display,
 		goto error;
 	}
 
+	egl->platform = platform;
+
 	EGLint major, minor;
 	if (eglInitialize(egl->display, &major, &minor) == EGL_FALSE) {
 		wlr_log(WLR_ERROR, "Failed to initialize EGL");
@@ -319,6 +321,11 @@ bool wlr_egl_is_current(struct wlr_egl *egl) {
 
 bool wlr_egl_swap_buffers(struct wlr_egl *egl, EGLSurface surface,
 		pixman_region32_t *damage) {
+	// Never block when swapping buffers on Wayland
+	if (egl->platform == EGL_PLATFORM_WAYLAND_EXT) {
+		eglSwapInterval(egl->display, 0);
+	}
+
 	EGLBoolean ret;
 	if (damage != NULL && (egl->exts.swap_buffers_with_damage_ext ||
 				egl->exts.swap_buffers_with_damage_khr)) {
-- 
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