backends/drm: correct test buffer check

There can be situations where the surface fits but there's no test buffer yet
2 years ago · 1f92dc5e5d
parent 2bda46d5b9
commit 1f92dc5e5d
1 changed files with 1 additions and 1 deletions
--- a/src/backends/drm/drm_egl_layer.cpp
+++ b/src/backends/drm/drm_egl_layer.cpp
@ -68,7 +68,7 @@ QRegion EglGbmLayer::currentDamage() const

 bool EglGbmLayer::checkTestBuffer()
 {
-    if (!m_surface.doesSurfaceFit(m_pipeline->bufferSize(), m_pipeline->formats())) {
+    if (!m_currentBuffer || !m_surface.doesSurfaceFit(m_pipeline->bufferSize(), m_pipeline->formats())) {
        const auto buffer = m_surface.renderTestBuffer(m_pipeline->bufferSize(), m_pipeline->formats());
        if (!buffer) {
            return false;