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45 lines
1.4 KiB
C#
45 lines
1.4 KiB
C#
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using Ryujinx.Graphics.Shader.StructuredIr;
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using static Ryujinx.Graphics.Shader.CodeGen.Glsl.Instructions.InstGenHelper;
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using static Ryujinx.Graphics.Shader.StructuredIr.InstructionInfo;
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namespace Ryujinx.Graphics.Shader.CodeGen.Glsl.Instructions
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{
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static class InstGenPacking
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{
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public static string PackHalf2x16(CodeGenContext context, AstOperation operation)
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{
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IAstNode src0 = operation.GetSource(0);
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IAstNode src1 = operation.GetSource(1);
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string src0Expr = GetSoureExpr(context, src0, GetSrcVarType(operation.Inst, 0));
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string src1Expr = GetSoureExpr(context, src1, GetSrcVarType(operation.Inst, 1));
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return $"packHalf2x16(vec2({src0Expr}, {src1Expr}))";
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}
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public static string UnpackHalf2x16(CodeGenContext context, AstOperation operation)
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{
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IAstNode src = operation.GetSource(0);
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string srcExpr = GetSoureExpr(context, src, GetSrcVarType(operation.Inst, 0));
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return $"unpackHalf2x16({srcExpr}){GetMask(operation.ComponentMask)}";
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}
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private static string GetMask(int compMask)
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{
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string mask = ".";
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for (int index = 0; index < 2; index++)
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{
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if ((compMask & (1 << index)) != 0)
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{
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mask += "xy".Substring(index, 1);
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}
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}
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return mask;
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}
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}
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}
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