[OE-core] [PATCH V2] cogl: fix compile error with -Werror=maybe-uninitialized

[changqing.li at windriver.com]

From: Changqing Li <changqing.li at windriver.com>

fix below compile error with -Werror=maybe-uninitialized
while DEBUG_BUILD is enabled

| ../../cogl-1.22.2/cogl/driver/gl/gles/cogl-driver-gles.c:217:17: error: 'gltype' may be used uninitialized in this function [-Werror=maybe-uninitialized]
|      *out_gltype = gltype;
|      ~~~~~~~~~~~~^~~~~~~~
| ../../cogl-1.22.2/cogl/driver/gl/gles/cogl-driver-gles.c:213:22: error: 'glintformat' may be used uninitialized in this function [-Werror=maybe-uninitialized]
|      *out_glintformat = glintformat;
|      ~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~

Signed-off-by: Changqing Li <changqing.li at windriver.com>
---
 ...mpile-error-with-Werror-maybe-uninitializ.patch | 40 ++++++++++++++++++++++
 meta/recipes-graphics/cogl/cogl-1.0_1.22.2.bb      |  4 ++-
 2 files changed, 43 insertions(+), 1 deletion(-)
 create mode 100644 meta/recipes-graphics/cogl/cogl-1.0/0001-cogl-fix-compile-error-with-Werror-maybe-uninitializ.patch

diff --git a/meta/recipes-graphics/cogl/cogl-1.0/0001-cogl-fix-compile-error-with-Werror-maybe-uninitializ.patch b/meta/recipes-graphics/cogl/cogl-1.0/0001-cogl-fix-compile-error-with-Werror-maybe-uninitializ.patch
new file mode 100644
index 0000000..1cfd35c
--- /dev/null
+++ b/meta/recipes-graphics/cogl/cogl-1.0/0001-cogl-fix-compile-error-with-Werror-maybe-uninitializ.patch
@@ -0,0 +1,40 @@
+From e05ee89fcc978fceccab3e4724a3a37f7a338499 Mon Sep 17 00:00:00 2001
+From: Changqing Li <changqing.li at windriver.com>
+Date: Tue, 2 Apr 2019 14:48:49 +0800
+Subject: [PATCH] cogl: fix compile error with -Werror=maybe-uninitialized
+
+fix below compile error with -Werror=maybe-uninitialized when DEBUG_BUILD is enabled
+
+| ../../cogl-1.22.2/cogl/driver/gl/gles/cogl-driver-gles.c:217:17: error: 'gltype' may be used uninitialized in this function [-Werror=maybe-uninitialized]
+|      *out_gltype = gltype;
+|      ~~~~~~~~~~~~^~~~~~~~
+| ../../cogl-1.22.2/cogl/driver/gl/gles/cogl-driver-gles.c:213:22: error: 'glintformat' may be used uninitialized in this function [-Werror=maybe-uninitialized]
+|      *out_glintformat = glintformat;
+|      ~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~
+
+Upstream-Status: Submitted [https://gitlab.gnome.org/GNOME/cogl/issues/6]
+
+Signed-off-by: Changqing Li <changqing.li at windriver.com>
+---
+ cogl/driver/gl/gles/cogl-driver-gles.c | 4 ++--
+ 1 file changed, 2 insertions(+), 2 deletions(-)
+
+diff --git a/cogl/driver/gl/gles/cogl-driver-gles.c b/cogl/driver/gl/gles/cogl-driver-gles.c
+index e94449f..a59d815 100644
+--- a/cogl/driver/gl/gles/cogl-driver-gles.c
++++ b/cogl/driver/gl/gles/cogl-driver-gles.c
+@@ -74,9 +74,9 @@ _cogl_driver_pixel_format_to_gl (CoglContext *context,
+                                  GLenum *out_gltype)
+ {
+   CoglPixelFormat required_format;
+-  GLenum glintformat;
++  GLenum glintformat = 0;
+   GLenum glformat = 0;
+-  GLenum gltype;
++  GLenum gltype = 0;
+ 
+   required_format = format;
+ 
+-- 
+2.7.4
+
diff --git a/meta/recipes-graphics/cogl/cogl-1.0_1.22.2.bb b/meta/recipes-graphics/cogl/cogl-1.0_1.22.2.bb
index 5901062..5ddeb4a 100644
--- a/meta/recipes-graphics/cogl/cogl-1.0_1.22.2.bb
+++ b/meta/recipes-graphics/cogl/cogl-1.0_1.22.2.bb
@@ -1,7 +1,9 @@
 require cogl-1.0.inc
 
 SRC_URI += "file://test-backface-culling.c-fix-may-be-used-uninitialize.patch \
-            file://0001-Fix-an-incorrect-preprocessor-conditional.patch"
+            file://0001-Fix-an-incorrect-preprocessor-conditional.patch \
+            file://0001-cogl-fix-compile-error-with-Werror-maybe-uninitializ.patch \
+           "
 SRC_URI[archive.md5sum] = "d53b708ca7c4af03d7254e46945d6b33"
 SRC_URI[archive.sha256sum] = "39a718cdb64ea45225a7e94f88dddec1869ab37a21b339ad058a9d898782c00d"
 
-- 
2.7.4