rooty/dxvk
1
0
Fork 0
mirror of https://github.com/doitsujin/dxvk.git synced 2025-01-18 11:52:12 +01:00
Code Issues Projects Releases Wiki Activity

[dxbc] Fix NaN handling in not-equal comparison

Browse Source 
Ne and Dne are unordered in DXBC. Avoid FUnordNotEqual to
avoid potential issues with drivers and debugging tools.
This commit is contained in:
Philip Rebohle 2019-09-30 00:19:47 +02:00
parent d128d776ad
commit 59d4e8a36a
1 changed files with 3 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

5
src/dxbc/dxbc_compiler.cpp
View File

@ -1892,8 +1892,9 @@ namespace dxvk {
case DxbcOpcode::Ne:
case DxbcOpcode::DNe:
condition = m_module.opFOrdNotEqual(
conditionType, src.at(0).id, src.at(1).id);
// Avoid poorly supported FUnordNotEqual
condition = m_module.opLogicalNot(conditionType,
m_module.opFOrdEqual(conditionType, src.at(0).id, src.at(1).id));
break;
case DxbcOpcode::IEq: