diff options
Diffstat (limited to 'Ryujinx.Graphics.Shader/CodeGen/Spirv/Declarations.cs')
| -rw-r--r-- | Ryujinx.Graphics.Shader/CodeGen/Spirv/Declarations.cs | 23 |
1 files changed, 22 insertions, 1 deletions
diff --git a/Ryujinx.Graphics.Shader/CodeGen/Spirv/Declarations.cs b/Ryujinx.Graphics.Shader/CodeGen/Spirv/Declarations.cs index 5108d861..df42a13c 100644 --- a/Ryujinx.Graphics.Shader/CodeGen/Spirv/Declarations.cs +++ b/Ryujinx.Graphics.Shader/CodeGen/Spirv/Declarations.cs @@ -6,6 +6,7 @@ using System; using System.Collections.Generic; using System.Diagnostics; using System.Linq; +using System.Numerics; using static Spv.Specification; namespace Ryujinx.Graphics.Shader.CodeGen.Spirv @@ -622,7 +623,27 @@ namespace Ryujinx.Graphics.Shader.CodeGen.Spirv else if (attr >= AttributeConsts.FragmentOutputColorBase && attr < AttributeConsts.FragmentOutputColorEnd) { int location = (attr - AttributeConsts.FragmentOutputColorBase) / 16; - context.Decorate(spvVar, Decoration.Location, (LiteralInteger)location); + + if (context.Config.Stage == ShaderStage.Fragment && context.Config.GpuAccessor.QueryDualSourceBlendEnable()) + { + int firstLocation = BitOperations.TrailingZeroCount(context.Config.UsedOutputAttributes); + int index = location - firstLocation; + int mask = 3 << firstLocation; + + if ((uint)index < 2 && (context.Config.UsedOutputAttributes & mask) == mask) + { + context.Decorate(spvVar, Decoration.Location, (LiteralInteger)firstLocation); + context.Decorate(spvVar, Decoration.Index, (LiteralInteger)index); + } + else + { + context.Decorate(spvVar, Decoration.Location, (LiteralInteger)location); + } + } + else + { + context.Decorate(spvVar, Decoration.Location, (LiteralInteger)location); + } } if (!isOutAttr) |