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LunarG / gfxreconstruct

Graphics API Capture and Replay Tools for Reconstructing Graphics Application Behavior
https://vulkan.lunarg.com/doc/sdk/latest/linux/capture_tools.html
MIT License
385 stars 107 forks source link

Save process environment variables in capture file #1574

Open bradgrantham-lunarg opened 3 weeks ago

bradgrantham-lunarg commented 3 weeks ago

Add some kind of a block to capture that contains the process environment variables. E.g. "MESA_SHADER_CACHE_DIR" is an important variable for allowing Mesa to use the same cache for created graphics pipeline (compiled shaders) from run to run. If the environment was stored in the capture file, someone could take the output of gfxrecon-info or gfxrecon-convert and pull out environment variables of interest. This could be automated by a replayer script, maybe repurpose gfxrecon-replay-renamed.py to apply some heuristics and goop to set helpful environment variables, etc.

bradgrantham-lunarg commented 2 weeks ago

Is there an analog for Android? Android has environment variables and properties - is there a subset of that data that alters driver behavior that we would like to have restored in replay in #1575?