franklinblanco
/
yuzu
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

shader_decode: BFE add ref of reverse parallel method.

This commit is contained in:
Nguyen Dac Nam 2020-03-13 14:20:18 +07:00 committed by GitHub
parent 96a4abe12d
commit 70ff82f72d
No known key found for this signature in database
GPG Key ID: 4AEE18F83AFDEB23
1 changed files with 3 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

3
src/video_core/shader/decode/bfe.cpp
View File

@ -36,6 +36,9 @@ u32 ShaderIR::DecodeBfe(NodeBlock& bb, u32 pc) {
const bool is_signed = instr.bfe.is_signed; const bool is_signed = instr.bfe.is_signed;
// using reverse parallel method in
// https://graphics.stanford.edu/~seander/bithacks.html#ReverseParallel
// note for later if possible to implement faster method.
if (instr.bfe.brev) { if (instr.bfe.brev) {
const auto swap = [&](u32 s, u32 mask) { const auto swap = [&](u32 s, u32 mask) {
Node v1 = Node v1 =