pmaports/main/weston/0002-compositor-fbdev-Add-support-for-ABGR.patch

From cfa2141a88a135968db9db517493e7b0ae7ab722 Mon Sep 17 00:00:00 2001
From: Pablo Castellano <pablo@anche.no>
Date: Mon, 17 Jul 2017 19:55:45 +0200
Subject: [PATCH 2/3] compositor-fbdev: Add support for ABGR

This is needed for Asus grouper (Google Nexus 7 2012)
https://wiki.postmarketos.org/wiki/Google_Nexus_7_2012_(asus-grouper)
---
 libweston/compositor-fbdev.c | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/libweston/compositor-fbdev.c b/libweston/compositor-fbdev.c
index b7d2c74..8158841 100644
--- a/libweston/compositor-fbdev.c
+++ b/libweston/compositor-fbdev.c
@@ -223,8 +223,8 @@ calculate_pixman_format(struct fb_var_screeninfo *vinfo,
 			             vinfo->blue.length);
 	}
	
-	/* Work out the format type from the offsets. We only support RGBA and
-	 * ARGB at the moment. */
+	/* Work out the format type from the offsets. We only support RGBA,
+	 * ARGB and ABGR at the moment. */
 	type = PIXMAN_TYPE_OTHER;

 	if ((vinfo->transp.offset >= vinfo->red.offset ||
@@ -236,6 +236,10 @@ calculate_pixman_format(struct fb_var_screeninfo *vinfo,
 	         vinfo->green.offset >= vinfo->blue.offset &&
 	         vinfo->blue.offset >= vinfo->transp.offset)
 		type = PIXMAN_TYPE_RGBA;
+	else if (vinfo->transp.offset >= vinfo->blue.offset &&
+	         vinfo->blue.offset >= vinfo->green.offset &&
+	         vinfo->green.offset >= vinfo->red.offset)
+		type = PIXMAN_TYPE_ABGR;

 	if (type == PIXMAN_TYPE_OTHER)
 		return 0;
--
2.7.4