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| author | gdkchan <gab.dark.100@gmail.com> | 2024-09-19 21:23:09 -0300 |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2024-09-19 21:23:09 -0300 |
| commit | d717aef2be6043ef5a5f064e13db444ef873f6bb (patch) | |
| tree | ecbdf5505c24701d58cb09137e38a666bc7ddca5 /src/Ryujinx.Graphics.Shader/Translation/Optimizations/Utils.cs | |
| parent | 24ee8c39f1fd8ae2dc2d92cda1cdb41e8af45f0a (diff) | |
Shader: Assume the only remaining source is the right one when all others are undefined (#7331)1.1.1397
* Shader: Assume the only remaining source is the right one when all other are undefined
* Shader cache version bump
* Improve comment
Diffstat (limited to 'src/Ryujinx.Graphics.Shader/Translation/Optimizations/Utils.cs')
| -rw-r--r-- | src/Ryujinx.Graphics.Shader/Translation/Optimizations/Utils.cs | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/src/Ryujinx.Graphics.Shader/Translation/Optimizations/Utils.cs b/src/Ryujinx.Graphics.Shader/Translation/Optimizations/Utils.cs index 23180ff8..6ec90fa3 100644 --- a/src/Ryujinx.Graphics.Shader/Translation/Optimizations/Utils.cs +++ b/src/Ryujinx.Graphics.Shader/Translation/Optimizations/Utils.cs @@ -138,6 +138,8 @@ namespace Ryujinx.Graphics.Shader.Translation.Optimizations // Ensure that conditions met for that branch are also met for the current one. // Prefer the latest sources for the phi node. + int undefCount = 0; + for (int i = phiNode.SourcesCount - 1; i >= 0; i--) { BasicBlock phiBlock = phiNode.GetBlock(i); @@ -159,6 +161,26 @@ namespace Ryujinx.Graphics.Shader.Translation.Optimizations return match; } } + else if (phiSource.Type == OperandType.Undefined) + { + undefCount++; + } + } + + // If all sources but one are undefined, we can assume that the one + // that is not undefined is the right one. + + if (undefCount == phiNode.SourcesCount - 1) + { + for (int i = phiNode.SourcesCount - 1; i >= 0; i--) + { + Operand phiSource = phiNode.GetSource(i); + + if (phiSource.Type != OperandType.Undefined) + { + return phiSource; + } + } } } |