1 files changed, 11 insertions, 0 deletions
diff --git a/hw/xwayland/xwayland-glamor-gbm.c b/hw/xwayland/xwayland-glamor-gbm.c
index 06fcf5239..6aa1e4641 100644
--- a/hw/xwayland/xwayland-glamor-gbm.c
+++ b/hw/xwayland/xwayland-glamor-gbm.c
@@ -797,6 +797,7 @@ xwl_glamor_gbm_init_egl(struct xwl_screen *xwl_screen)
         GLAMOR_GL_CORE_VER_MINOR,
         EGL_NONE
     };
+    const GLubyte *renderer;
 
     if (!xwl_gbm->fd_render_node && !xwl_gbm->drm_authenticated) {
         ErrorF("Failed to get wl_drm, disabling Glamor and DRI3\n");
@@ -843,6 +844,16 @@ xwl_glamor_gbm_init_egl(struct xwl_screen *xwl_screen)
         goto error;
     }
 
+    renderer = glGetString(GL_RENDERER);
+    if (!renderer) {
+        ErrorF("glGetString() returned NULL, your GL is broken\n");
+        goto error;
+    }
+    if (strstr((const char *)renderer, "llvmpipe")) {
+        ErrorF("Refusing to try glamor on llvmpipe\n");
+        goto error;
+    }
+
     if (!epoxy_has_gl_extension("GL_OES_EGL_image")) {
         ErrorF("GL_OES_EGL_image not available\n");
         goto error;