From 621569253b34788e096adda8132010d0a17d0844 Mon Sep 17 00:00:00 2001
From: Qian Hu <Qian.Hu@mediatek.com>
Date: Tue, 24 Sep 2019 11:31:09 +0800
Subject: [PATCH 3/8] [PATCH 3/9] compose-engine: turn to pixman if gl init
 fail

if init_gl fail then turn to pixman to compose buffer

Signed-off-by: Qian Hu <Qian.Hu@mediatek.com>
---
 libweston/compositor-drm.c | 9 +++++++--
 1 file changed, 7 insertions(+), 2 deletions(-)

diff --git a/libweston/compositor-drm.c b/libweston/compositor-drm.c
index 3891176..ef38a64 100644
--- a/libweston/compositor-drm.c
+++ b/libweston/compositor-drm.c
@@ -3921,6 +3921,7 @@ init_egl(struct drm_backend *b)
 
 	if (drm_backend_create_gl_renderer(b) < 0) {
 		gbm_device_destroy(b->gbm);
+		b->gbm = NULL;
 		return -1;
 	}
 
@@ -6766,8 +6767,12 @@ drm_backend_create(struct weston_compositor *compositor,
 		}
 	} else {
 		if (init_egl(b) < 0) {
-			weston_log("failed to initialize egl\n");
-			goto err_udev_dev;
+			weston_log("failed to initialize egl, use pixman\n");
+			if (init_pixman(b) < 0) {
+				weston_log("failed to initialize pixman renderer\n");
+				goto err_udev_dev;
+			}
+			b->use_pixman = 1;
 		}
 	}
 
-- 
2.6.4