Post by JamJamTeam in Memory leak

Native cursors for GameMaker » Community

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Ok, here is my project: --- I think this might crash faster because I'm already using a lot of memory and texture memory. The function is in the object "osMain" step event line 1957. When it's active and the game is started it sometimes takes seconds and sometimes minutes to crash. When it's commented out it hasn't crashed yet. The debuggers graphs do not show constant increase of memory usage wich is strange because I got the memory allocation error but it sometimes does some big jumps up and down when I'm changing cursors fast. Maybe it's a problem with texture memory then idk?

Oh and there is anoter bug with this extension and gmlive where it shows an error in the console when I try to reload an event with that function: [live][02.09.2020 10:52:26] Runtime error: [error] `instance#100000(osMain)` (osMain) does not have a variable `window_set_cursor_sprite`

Please tell me when you downloaded it, then I'll delete the link

YellowAfterlife5 years ago

Downloaded; I'll look into this. Calling extension functions from GMLive can be problematic, as per documentation.

JamJamTeam5 years ago

ok, thank you

YellowAfterlife5 years ago (1 edit)

So far I was only able to get this error, which is "breakpoint triggered" originating from GameMaker code and going into a Windows DLL. The error does not come from the cursor DLL as such (you can verify by adding show_debug_message before/after window_set_cursor_* call).

It is unclear as to what does "HEAP: Free Heap block %p modified at %p after it was freed" have to do with changing a cursor, but if you can figure out a more reliable way to reproduce this (perhaps the order of changing cursors..? Or an interaction between using buffers/surfaces with some other GM functions), I could debug this better or send YYG a bug report.

JamJamTeam5 years ago

Ok, this dll error is beyond my programming capabilities. But I managed to recreate the crash in a blank project (should have made this earlier, sry :/) where I randomly switch between 3 cursors every frame. Here is the project link: https://we.tl/t-icLAzvuNz5. Unfortunately it can again take some time until it crashes. But it at least eliminates the possibility to have something todo with my surface/buffer shenanigans.

YellowAfterlife5 years ago

Downloaded; I DM-ed you an updated DLL with a possible fix on Discord, have you tried that?

itch.io

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