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Shaders: Handle Ipa PASS argument as needed in Fragment Shaders (#392)
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@ -1026,7 +1026,31 @@ namespace Ryujinx.Graphics.Gal.Shader
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return "int(uint(" + GetOperExpr(Op, Op.OperandA) + "))";
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}
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private string GetIpaExpr(ShaderIrOp Op) => GetSrcExpr(Op.OperandA);
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private string GetIpaExpr(ShaderIrOp Op)
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{
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ShaderIrMetaIpa Meta = (ShaderIrMetaIpa)Op.MetaData;
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ShaderIrOperAbuf Abuf = (ShaderIrOperAbuf)Op.OperandA;
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if (Meta.Mode == ShaderIpaMode.Pass)
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{
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int Index = Abuf.Offs >> 4;
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int Elem = (Abuf.Offs >> 2) & 3;
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if (Decl.ShaderType == GalShaderType.Fragment && Index == GlslDecl.GlPositionVec4Index)
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{
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switch (Elem)
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{
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case 0: return "gl_FragCoord.x";
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case 1: return "gl_FragCoord.y";
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case 2: return "gl_FragCoord.z";
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case 3: return "1";
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}
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}
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}
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return GetSrcExpr(Op.OperandA);
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}
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private string GetKilExpr(ShaderIrOp Op) => "discard";
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@ -208,7 +208,11 @@ namespace Ryujinx.Graphics.Gal.Shader
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ShaderIrNode OperA = GetOperAbuf28(OpCode);
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ShaderIrNode OperB = GetOperGpr20 (OpCode);
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ShaderIrOp Op = new ShaderIrOp(ShaderIrInst.Ipa, OperA, OperB);
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ShaderIpaMode Mode = (ShaderIpaMode)((OpCode >> 54) & 3);
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ShaderIrMetaIpa Meta = new ShaderIrMetaIpa(Mode);
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ShaderIrOp Op = new ShaderIrOp(ShaderIrInst.Ipa, OperA, OperB, null, Meta);
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Block.AddNode(GetPredNode(new ShaderIrAsg(GetOperGpr0(OpCode), Op), OpCode));
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}
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10
Ryujinx.Graphics/Gal/Shader/ShaderIpaMode.cs
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10
Ryujinx.Graphics/Gal/Shader/ShaderIpaMode.cs
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@ -0,0 +1,10 @@
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namespace Ryujinx.Graphics.Gal.Shader
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{
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enum ShaderIpaMode
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{
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Pass = 0,
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None = 1,
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Constant = 2,
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Sc = 3
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}
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}
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12
Ryujinx.Graphics/Gal/Shader/ShaderIrMetaIpa.cs
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12
Ryujinx.Graphics/Gal/Shader/ShaderIrMetaIpa.cs
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@ -0,0 +1,12 @@
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namespace Ryujinx.Graphics.Gal.Shader
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{
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class ShaderIrMetaIpa : ShaderIrMeta
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{
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public ShaderIpaMode Mode { get; private set; }
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public ShaderIrMetaIpa(ShaderIpaMode Mode)
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{
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this.Mode = Mode;
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}
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}
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}
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