generic-poky/meta/recipes-graphics/mesa/mesa-demos/egl-mesa-screen-surface-que...

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From cf90a5c0c173d017a80cde057da57c365b3b1a40 Mon Sep 17 00:00:00 2001
From: Frank Binns <frank.binns@imgtec.com>
Date: Fri, 29 Jun 2012 12:00:26 +0100
Subject: [PATCH 2/2] mesa-demos: Query display for EGL_MESA_screen_surface
extension before using it
This code makes heavy use of the EGL_MESA_screen_surface extension so
check the display to determine if it's supported by the underlying EGL
implementation. If it doesn't then bail.
Signed-off-by: Frank Binns <frank.binns@imgtec.com>
Applied and fixed up in Yocto by...
Integrated-by: Tom Zanussi <tom.zanussi@linux.intel.com>
Upstream-Status: Pending
Index: mesa-demos-8.0.1/src/egl/opengl/demo1.c
===================================================================
--- mesa-demos-8.0.1.orig/src/egl/opengl/demo1.c
+++ mesa-demos-8.0.1/src/egl/opengl/demo1.c
@@ -110,6 +110,12 @@ main(int argc, char *argv[])
printf("EGL version = %d.%d\n", maj, min);
printf("EGL_VENDOR = %s\n", eglQueryString(d, EGL_VENDOR));
+ if (!strstr(eglQueryString(d, EGL_EXTENSIONS),
+ "EGL_MESA_screen_surface")) {
+ printf("EGL_MESA_screen_surface is not supported\n");
+ exit(1);
+ }
+
eglGetConfigs(d, NULL, 0, &numConfigs);
configs = malloc(sizeof(*configs) *numConfigs);
eglGetConfigs(d, configs, numConfigs, &numConfigs);