From b705263029e9b638302d80832c17d5d5a9b3319e Mon Sep 17 00:00:00 2001
From: dengbo <dengbo@allwinnertech.com>
Date: Fri, 12 May 2017 18:37:12 +0800
Subject: [PATCH 4/8] weston: Add NV21 format in weston

Let weston compose the NV21 format layer by GPU;
---
 libweston/gl-renderer.c | 16 ++++++++++++++++
 1 file changed, 16 insertions(+)

diff --git a/libweston/gl-renderer.c b/libweston/gl-renderer.c
index c6091af..691b837 100644
--- a/libweston/gl-renderer.c
+++ b/libweston/gl-renderer.c
@@ -1673,6 +1673,22 @@ struct yuv_format_descriptor yuv_formats[] = {
 			.plane_index = 1
 		}}
 	}, {
+		.format = DRM_FORMAT_NV21,
+		.input_planes = 2,
+		.output_planes = 2,
+		.texture_type = EGL_TEXTURE_Y_UV_WL,
+		{{
+			.width_divisor = 1,
+			.height_divisor = 1,
+			.format = DRM_FORMAT_R8,
+			.plane_index = 0
+		}, {
+			.width_divisor = 2,
+			.height_divisor = 2,
+			.format = DRM_FORMAT_GR88,
+			.plane_index = 1
+		}}
+	}, {
 		.format = DRM_FORMAT_YUV420,
 		.input_planes = 3,
 		.output_planes = 3,
-- 
1.9.1