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| See [[Viewer App Cleanup]] | | See [[Viewer App Cleanup]] |
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| = Objectives =
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| * Improve the stability and maintainability of the Second Life Viewer code by cleaning up the initialization and main loop code
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| * Move the main loop to a separate thread so that infinite loops can be detected and debugged
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| = See Also =
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| * [[Viewer Roadmap]]
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| * [[User Interface Roadmap]]
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| = Tasks =
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| == Phase 1 ==
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| * Create a LLViewerApp class based on LLApp
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| ** Move class initialization and parameter parsing to LLViewerApp
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| ** Move all error handling to LLViewerApp (errors set a flag and sleep, LLViewerApp generates the exception)
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| ** Move all debug/info/warning/error text printing to LLViewerApp
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| *** Print text to a buffer instead of stdio
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| *** Send the buffer to stdio in LLViewerApp loop
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| *** Use a proper window for viewing console text in the Viewer
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| *** Move unheeded warnings to debugs
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| *** Clean up info messages
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| * Create a LLViewerThread class based on LLThread
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| ** Move the main loop into LLViewerThread
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| * Eliminate viewer.cpp
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| ** Create proper C++ abstractions for any remaining code in viewer.cpp
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| * Add a 'watchdog' to LLViewerApp to detect infinite loops and trigger a crash
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| ** Each thread needs its own watchdog
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| *** Some thread, e.g. decode thread may be able to be safely restarted on OSX if they crash
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| ** Ensure that the crash handler generates proper stack information for LLViewerThread
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| ** Add a 'Debug > Test > Force Crash', 'Force Infinite Loop', and 'Force Deadlock' debug options
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| == Test Plan ==
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| * Run Second Life on all platforms. Include all available hardware configurations (Intel, AMD, PPC, single processor, dual core, dual processor)
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| ** Run frame rate tests and ensure that frame rate is at least 95% of current client's frame rate
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| * Ensure that the Crash reporter still works
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| ** Test various crash scenarios:
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| *** Force a crash using the debug option.
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| *** Force an infinite loop using the debug option.
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| *** Force a deadlock using the debug option.
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| ** Ensure each crash triggers a report
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| *** Send the report numbers to Dev so they can ensure that the crashes have the correct call stack info
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| ** Test crashes on Windows, Mac, and Linux
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| * Use Client > Console > Debug Console to view debug messages while running
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| ** Ensure that they get displayed in order
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| * Scan the log file after a session and look for any warnings.
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| ** Report any warnings that show up.
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| ** Check for any unhelpful info messages
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| == Phase 2 ==
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| === LLViewerLogin ===
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| * Abstract the login sequence into a class
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| === Eliminate startup.cpp ===
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| * Create proper C++ abstractions for startup using LLViewerLogin
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| === Lightweight Client ===
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| * Create a client that logs in to Second Life without running the 3D render pipeline
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