egl: Drop configs with unknown or invalide __DRI_ATTRIB_RENDER_TYPE

Some render types, such as floating-point, aren't valid with EGL.
Return NULL in those cases to drop them.

Signed-off-by: Ian Romanick <ian.d.romanick@intel.com>

diff --git a/src/egl/drivers/dri2/egl_dri2.c b/src/egl/drivers/dri2/egl_dri2.c
index eb5aa3144faae958b911ff0a3fbc54137fdd13e6..52fcb3f95323f4832ac065bb7ca2e51361abf0e5 100644 (file)
--- a/src/egl/drivers/dri2/egl_dri2.c
+++ b/src/egl/drivers/dri2/egl_dri2.c
@@ -141,7 +141,7 @@ dri2_add_config(_EGLDisplay *disp, const __DRIconfig *dri_config, int id,
         else if (value & __DRI_ATTRIB_LUMINANCE_BIT)
            value = EGL_LUMINANCE_BUFFER;
         else
-           /* not valid */;
+           return NULL;
         _eglSetConfigKey(&base, EGL_COLOR_BUFFER_TYPE, value);
         break;