diff options
| -rw-r--r-- | render/gles2/renderer.c | 6 | 
1 files changed, 4 insertions, 2 deletions
diff --git a/render/gles2/renderer.c b/render/gles2/renderer.c index c90108fb..bb8dab02 100644 --- a/render/gles2/renderer.c +++ b/render/gles2/renderer.c @@ -453,8 +453,10 @@ static enum wl_shm_format gles2_preferred_read_format(  	pop_gles2_debug(renderer);  	EGLint alpha_size = -1; -	eglGetConfigAttrib(renderer->egl->display, renderer->egl->config, -		EGL_ALPHA_SIZE, &alpha_size); +	if (renderer->egl->config != EGL_NO_CONFIG_KHR) { +		eglGetConfigAttrib(renderer->egl->display, renderer->egl->config, +			EGL_ALPHA_SIZE, &alpha_size); +	}  	const struct wlr_gles2_pixel_format *fmt =  		get_gles2_format_from_gl(gl_format, gl_type, alpha_size > 0);  | 
