2010-09-06 14:19:06 -04:00
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Status: passes rudimentary tests
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2010-09-03 00:08:58 -04:00
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Current goals:
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2010-09-06 14:19:06 -04:00
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- Draw some dang points!
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- Allocate buffer (can it be pre-allocated?)
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- Direct scatter linear points by GTID from flame number
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- Re-enable preview window
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- Execute frame, update texture, repeat
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- Writeback of points to the buffer
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- Define writeback class, args
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- Do camera rotation across frameset
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- Postpone other kinds of testing and address clamping for now
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- Start xforms
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- At first, fixed Sierpinski triangle or something
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- xform selection, pre- and post-transform in xform
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- first of the variations
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2010-09-03 00:08:58 -04:00
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Things to do (rather severely incomplete):
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2010-09-06 14:19:06 -04:00
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2010-09-03 00:08:58 -04:00
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- LaunchContext thread distribution based on generated code register count and
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shared memory size
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- qlocal storage
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- Performance implications of different state spaces
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- Shared / cache projected usage and its effect on above
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- Implement qlocal storage, and hide the complexity
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- The `Feature` class
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- Transform count and per-transform code layout
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- Filter size, oversample, final buffer size
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- Buffer allocation, clearing, reading from device
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- Preview window
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- When/how to sample?
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- OpenGL interop worth it?
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- Implement
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- Implement xforms
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- Shuffle
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- State space implications, you know the drill
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- Implement
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- Test effects on quality by masking off writes on all but one lane and
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boosting the sample density to compensate (muuuuuch later on)
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2010-09-06 14:19:06 -04:00
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- DE
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2010-09-06 16:09:37 -04:00
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- Clean up code (particularly DSL stuff incl. injector)
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2010-09-06 14:19:06 -04:00
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Things to test:
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- DeviceStream allocator and proper handling of corner cases
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- Debug flag/dict/whatever for entire project in general
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- Iteration counters for IterThread
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Things to benchmark:
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- Kernel invocation and/or interrupt times (will high load freeze X?)
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- 1D/2D texture load+interpolation speeds vs constant memory loading
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- Must test under high SFU load
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- Tex uses separate cache? Has lower bandwidth penalty for gather?
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- MWC float conversion
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- The entire scatter process
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- Radix sort of writeback coordinates
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- Log-copy-histogram approach
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- Direct reductions
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- Surface loads, stores, reductions
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