evas: Evas GL - add glGetError() after surface capability test.

Summary:
After using gl funcs, must call glGetError().
To prevent wrong error catch for subsequent glGetError().

Test Plan: Local tests

Reviewers: raster, jpeg, Hermet, cedric

Reviewed By: cedric

Subscribers: spacegrapher, wonsik, cedric

Differential Revision: https://phab.enlightenment.org/D1978

Signed-off-by: Cedric BAIL <cedric@osg.samsung.com>

1 files changed, 7 insertions, 3 deletions

diff --git a/src/modules/evas/engines/gl_common/evas_gl_core.c b/src/modules/evas/engines/gl_common/evas_gl_core.c
index ca37da49b8..d2078dd777 100644
--- a/src/modules/evas/engines/gl_common/evas_gl_core.c
+++ b/src/modules/evas/engines/gl_common/evas_gl_core.c
@@ -340,9 +340,13 @@ _fbo_surface_cap_test(GLint color_ifmt, GLenum color_fmt,
 
    // Return the result
    if (fb_status != GL_FRAMEBUFFER_COMPLETE)
-   {
-       // Put Error Log...
-      return 0;
+     {
+        int err = glGetError();
+
+        if (err != GL_NO_ERROR)
+           DBG("glGetError() returns %x ", err);
+
+        return 0;
    }
    else
       return 1;