license message box on Windows

2018-08-24 06:58:09 +02:00
parent a37ea5309b
commit 1c3e1b7e55
3 changed files with 22 additions and 6 deletions
--- a/engine/shape.h
+++ b/engine/shape.h
@@ -30,9 +30,11 @@ public:
    void draw_stroke() const;
    void destroy()
    {
-        glDeleteBuffers(2, buffers);
+        if (buffers[0] || buffers[1])
+            glDeleteBuffers(2, buffers);
 #if USE_VBO
-        glDeleteVertexArrays(2, arrays);
+        if (arrays[0] || arrays[1])
+            glDeleteVertexArrays(2, arrays);
 #endif // USE_VBO
        buffers[0] = buffers[1] = 0;
        arrays[0] = arrays[1] = 0;