Invert result of glXSwapIntervalSGI

Unlike `wglSwapIntervalEXT`, it returns zero on success and non-zero on error
cginternals · Feb 19, 2023 · 3d923b1 · 3d923b1
1 parent ff2ff7a
commit 3d923b1
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/source/examples/cubescape-qt/Canvas.cpp b/source/examples/cubescape-qt/Canvas.cpp
@@ -207,7 +207,7 @@ void Canvas::setSwapInterval(SwapInterval swapInterval)
     if (!glXSwapIntervalSGI)
         glXSwapIntervalSGI = reinterpret_cast<SWAPINTERVALEXTPROC>(m_context->getProcAddress("glXSwapIntervalSGI"));
     if (glXSwapIntervalSGI)
-        result = glXSwapIntervalSGI(swapInterval);
+        result = !glXSwapIntervalSGI(swapInterval);
 
 #endif