Commit Graph

5 Commits

Author SHA1 Message Date
Andrey Tuganov
250a235a8d Add new compression algorithm and models
Add new "short descriptor" algorithm to MARK-V codec.

Add three shader compression models:
lite - fast, poor compression
mid - balanced
max - best compression
2017-11-21 17:32:58 -05:00
Diego Novillo
d2938e4842 Re-format files in source, source/opt, source/util, source/val and tools.
NFC. This just makes sure every file is formatted following the
formatting definition in .clang-format.

Re-formatted with:

$ clang-format -i $(find source tools include -name '*.cpp')
$ clang-format -i $(find source tools include -name '*.h')
2017-11-08 14:03:08 -05:00
Andrey Tuganov
cfd95f3d5a Refactored compression debugger
Markv codec now receives two optional callbacks:
LogConsumer for internal codec logging
DebugConsumer for testing if encoding->decoding produces the original
results.
2017-10-23 22:12:40 -04:00
Andrey Tuganov
2401fc0a72 Refactored MARK-V API
- switched from C to C++
- moved MARK-V model creation from backend to frontend
- The same MARK-V model object can be used to encode/decode multiple
files
- Added MARK-V model factory (currently only one option)
- Added --validate option to spirv-markv (run validation while
encoding/decoding)
2017-10-12 15:40:40 -04:00
Andrey Tuganov
73e8dac5b9 Added compression tool tools/spirv-markv. Work in progress.
Command line application is located at tools/spirv-markv
API at include/spirv-tools/markv.h

At the moment only very basic compression is implemented, mostly varint.
Scope of supported SPIR-V opcodes is also limited.

Using a simple move-to-front implementation instead of encoding mapped
ids.

Work in progress:
- Does not cover all of SPIR-V
- Does not promise compatibility of compression/decompression across
  different versions of the code.
2017-06-30 12:22:48 -04:00