[MacOS] does not render while resizing

[mirraj2]

Version

3.3.3

Platform

macOS arm64

JDK

JDK 11

Module

GLFW

Bug description

On MacOS, I am dragging the window and it does not render at all until I release the mouse button on the drag. I would like it to keep rendering during the drag operation.

Stacktrace or crash log output

No response

[octylFractal]

This looks like the same issue as glfw/glfw#408 -- is that correct?

[mirraj2]

that does look similar but not quite the same. In that issue's screenshot I see artifacts during the drag operation but on my computer I see no artifacts.

Also that issue seems to be closed without any kind of fix or solution

[octylFractal]

The solution is described in glfw/glfw#408 (comment) -- use the window refresh callback https://javadoc.lwjgl.org/org/lwjgl/glfw/GLFW.html#glfwSetWindowRefreshCallback(long,org.lwjgl.glfw.GLFWWindowRefreshCallbackI)

[Spasi]

Hey @mirraj2, this can be fixed by decoupling event handling and rendering. Event handling is done on the main thread, with blocking glfwWaitEvents, while rendering is done continuously on a secondary thread.

See the Vorbis sample for example code. It works nicely on Windows too.

[mirraj2]

thank you both!