I'm trying to get a video feed to use as a texture on my EGL + GL ES program running on a Mali 400 on Linux.
The problem I'm having is that the content of the texture does not update. It picks up whatever frame the camera was displaying when the EGL image is created, but those contents don't change as the video updates. The same code works correctly on my desktop. I'm using driver version 8.0, I believe (both user and kernel).
When is the data DMAd to GPU memory? I've seen there's the option to enable an optimization when building the driver (MALI_DMA_BUF_MAP_ON_ATTACH) that is turned on by default. I'm not sure if this is related to my issue.
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