Add README

README.md

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+# Cuburn
+
+This project is a fractal flame renderer. It is still under development, but
+already implements most of the genome parameters that [flam3](http://flam3.com)
+supports, and beats CPU by a healthy margin (20-40x in most cases).
+
+This project is licensed under the GPL version 3.
+

TODO

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-Status: passes rudimentary tests
-
-Current goals:
-
-- Start xforms
-    - xform selection, pre- and post-transform in xform
-    - first of the variations
-
-Things to do (rather severely incomplete):
-
-- LaunchContext thread distribution based on generated code register count and
-  shared memory size
-- qlocal storage
-    - Performance implications of different state spaces
-    - Shared / cache projected usage and its effect on above
-    - Implement qlocal storage, and hide the complexity
-- The `Feature` class
-    - Transform count and per-transform code layout
-    - Filter size, oversample, final buffer size
-- Buffer allocation, clearing, reading from device
-- Preview window
-    - When/how to sample?
-    - OpenGL interop worth it?
-    - Implement
-- Implement xforms
-- Shuffle
-    - State space implications, you know the drill
-    - Implement
-    - Test effects on quality by masking off writes on all but one lane and
-      boosting the sample density to compensate (muuuuuch later on)
-- DE
-- Clean up code (particularly DSL stuff incl. injector)
-
-Things to test:
-
-- Debug flag/dict/whatever for entire project in general
-    - Iteration counters for IterThread
-
-Things to benchmark:
-
-- Kernel invocation and/or interrupt times (will high load freeze X?)
-- MWC float conversion
-- The entire scatter process
-    - Radix sort of writeback coordinates
-    - Log-copy-histogram approach
-    - Direct reductions
-    - Surface loads, stores, reductions
-