--- a/src/gl/gridprogram.h Tue Jul 27 13:23:34 2021 +0300 +++ b/src/gl/gridprogram.h Tue Jul 27 16:29:00 2021 +0300 @@ -35,6 +35,7 @@ int vertexCount() const override; void setupVertexArrays() override; GLenum drawMode() const override; + QOpenGLBuffer::UsagePattern usagePattern() const override; private: glm::vec4 gridColor = {1.0f, 1.0f, 1.0f, 0.75f}; };