diff options
| -rw-r--r-- | kmscube/kmscube.cpp | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/kmscube/kmscube.cpp b/kmscube/kmscube.cpp index 49592ec..2b01b6b 100644 --- a/kmscube/kmscube.cpp +++ b/kmscube/kmscube.cpp @@ -91,6 +91,11 @@ public: GbmSurface(const GbmSurface& other) = delete; GbmSurface& operator=(const GbmSurface& other) = delete; + bool has_free() + { + return gbm_surface_has_free_buffers(m_surface); + } + gbm_bo* lock_front_buffer() { return gbm_surface_lock_front_buffer(m_surface); @@ -381,6 +386,8 @@ public: void make_current() { + FAIL_IF(!gsurface->has_free(), "No free buffers"); + eglMakeCurrent(egl.display(), esurface, esurface, egl.context()); } |