egl: Add support for more EGLImage extensions to EGL core.

Add support EGL_KHR_vg_parent_image and EGL_KHR_gl_*.  This is as simple
as adding some flags that can be enabled.  Individual drivers need to
implement the extensions before enbaling the flags.

1 files changed, 2 insertions, 0 deletions

diff --git a/src/egl/main/eglimage.h b/src/egl/main/eglimage.h
index 26bf054a07..2c0fb16d1d 100644
--- a/src/egl/main/eglimage.h
+++ b/src/egl/main/eglimage.h
@@ -15,6 +15,8 @@ struct _egl_image
    _EGLResource Resource;
 
    EGLBoolean Preserved;
+   EGLint GLTextureLevel;
+   EGLint GLTextureZOffset;
 };