mesa-demos: OpenVG demos with single frame need eglSwapBuffer

sp and text demos rendering single frame. to display the
single frame rendered needed a eglSwapBuffer to diplay to window.
Hence added eglutPostRedisplay to display the frame.

(From OE-Core rev: 894885ab5de473abf860b8444e591fa2ec804a14)

Signed-off-by: Tom Hochstein <tom.hochstein@nxp.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

meta/recipes-graphics/mesa/mesa-demos/0012-mesa-demos-OpenVG-demos-with-single-frame-need-eglSw.patch

@@ -0,0 +1,44 @@
+From 3aa84c47e88a4c38446ce1323abf6f2c77389104 Mon Sep 17 00:00:00 2001
+From: Prabhu <prabhu.sundararaj@freescale.com>
+Date: Mon, 16 Nov 2015 17:09:32 -0600
+Subject: [PATCH] mesa-demos: OpenVG demos with single frame need eglSwapBuffer
+
+sp and text demos rendering single frame. to display the
+single frame rendered needed a eglSwapBuffer to diplay to window.
+Hence added eglutPostRedisplay to display the frame
+
+Upstream-Status: Pending
+
+Signed-off-by: Prabhu <prabhu.sundararaj@freescale.com>
+---
+ src/egl/openvg/sp.c   | 1 +
+ src/egl/openvg/text.c | 1 +
+ 2 files changed, 2 insertions(+)
+
+diff --git a/src/egl/openvg/sp.c b/src/egl/openvg/sp.c
+index a20c0a3..468e91e 100644
+--- a/src/egl/openvg/sp.c
++++ b/src/egl/openvg/sp.c
+@@ -500,6 +500,7 @@ draw(void)
+    }
+ 
+    vgFlush();
++   eglutPostRedisplay();
+ }
+ 
+ 
+diff --git a/src/egl/openvg/text.c b/src/egl/openvg/text.c
+index f5c6de8..492581c 100644
+--- a/src/egl/openvg/text.c
++++ b/src/egl/openvg/text.c
+@@ -360,6 +360,7 @@ display(void)
+ {
+    vgClear(0, 0, width, height);
+    glyph_string_draw(10.0, 10.0);
++   eglutPostRedisplay();
+ }
+ 
+ 
+-- 
+2.5.1
+

meta/recipes-graphics/mesa/mesa-demos_8.2.0.bb

@@ -21,6 +21,7 @@ SRC_URI = "ftp://ftp.freedesktop.org/pub/mesa/demos/${PV}/${BPN}-${PV}.tar.bz2 \
     file://0009-glsl-perf-Install-.glsl-.vert-.frag-files.patch \
     file://0010-sharedtex_mt-fix-rendering-thread-hang.patch \
     file://0011-drop-demos-dependant-on-obsolete-MESA_screen_surface.patch \
+    file://0012-mesa-demos-OpenVG-demos-with-single-frame-need-eglSw.patch \
 "
 SRC_URI[md5sum] = "72613a2c8c013716db02e3ff59d29061"
 SRC_URI[sha256sum] = "e4bfecb5816ddd4b7b37c1bc876b63f1f7f06fda5879221a9774d0952f90ba92"