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| author |  Nguyen Dac Nam | 2020-03-13 14:20:18 +0700 |
|---|---|---|
| committer |  GitHub | 2020-03-13 14:20:18 +0700 |
| commit | 70ff82f72d4dfd0b296e885b0f1517d0a46e64e1 (patch) | |
| tree | 0f0f216dac850215ee7413bb2b86c56617071960 /src | |
| parent | shader_decode: implement BREV on BFE (diff) | |
| download | yuzu-70ff82f72d4dfd0b296e885b0f1517d0a46e64e1.tar.gz yuzu-70ff82f72d4dfd0b296e885b0f1517d0a46e64e1.tar.xz yuzu-70ff82f72d4dfd0b296e885b0f1517d0a46e64e1.zip | |
shader_decode: BFE add ref of reverse parallel method.
Diffstat (limited to 'src')
| -rw-r--r-- | src/video_core/shader/decode/bfe.cpp | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/src/video_core/shader/decode/bfe.cpp b/src/video_core/shader/decode/bfe.cpp index 911d53657..39587e0df 100644 --- a/src/video_core/shader/decode/bfe.cpp +++ b/src/video_core/shader/decode/bfe.cpp | |||
| @@ -36,6 +36,9 @@ u32 ShaderIR::DecodeBfe(NodeBlock& bb, u32 pc) { | |||
| 36 | 36 | ||
| 37 | const bool is_signed = instr.bfe.is_signed; | 37 | const bool is_signed = instr.bfe.is_signed; |
| 38 | 38 | ||
| 39 | // using reverse parallel method in | ||
| 40 | // https://graphics.stanford.edu/~seander/bithacks.html#ReverseParallel | ||
| 41 | // note for later if possible to implement faster method. | ||
| 39 | if (instr.bfe.brev) { | 42 | if (instr.bfe.brev) { |
| 40 | const auto swap = [&](u32 s, u32 mask) { | 43 | const auto swap = [&](u32 s, u32 mask) { |
| 41 | Node v1 = | 44 | Node v1 = |