From 11bf87d678f146a94f15d162808058b1dc5630c5 Mon Sep 17 00:00:00 2001
From: Simon Ser <contact@emersion.fr>
Date: Sun, 6 Oct 2019 17:37:15 -0400
Subject: [PATCH] render/egl: support formats with zero modifiers

---
 render/egl.c | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

diff --git a/render/egl.c b/render/egl.c
index 4261dab8..69fde225 100644
--- a/render/egl.c
+++ b/render/egl.c
@@ -576,8 +576,7 @@ static int get_egl_dmabuf_modifiers(struct wlr_egl *egl, int format,
 		wlr_log(WLR_DEBUG, "DMA-BUF extension not present");
 		return -1;
 	}
-
-	if(!egl->exts.image_dmabuf_import_modifiers_ext) {
+	if (!egl->exts.image_dmabuf_import_modifiers_ext) {
 		*modifiers = NULL;
 		return 0;
 	}
@@ -588,6 +587,10 @@ static int get_egl_dmabuf_modifiers(struct wlr_egl *egl, int format,
 		wlr_log(WLR_ERROR, "Failed to query dmabuf number of modifiers");
 		return -1;
 	}
+	if (num == 0) {
+		*modifiers = NULL;
+		return 0;
+	}
 
 	*modifiers = calloc(num, sizeof(uint64_t));
 	if (*modifiers == NULL) {