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using Ryujinx.Graphics.Shader.StructuredIr;
using System;
using static Ryujinx.Graphics.Shader.CodeGen.Glsl.Instructions.InstGenHelper;
using static Ryujinx.Graphics.Shader.StructuredIr.InstructionInfo;
namespace Ryujinx.Graphics.Shader.CodeGen.Glsl.Instructions
{
static class InstGenPacking
{
public static string PackDouble2x32(CodeGenContext context, AstOperation operation)
{
IAstNode src0 = operation.GetSource(0);
IAstNode src1 = operation.GetSource(1);
string src0Expr = GetSourceExpr(context, src0, GetSrcVarType(operation.Inst, 0));
string src1Expr = GetSourceExpr(context, src1, GetSrcVarType(operation.Inst, 1));
return $"packDouble2x32(uvec2({src0Expr}, {src1Expr}))";
}
public static string PackHalf2x16(CodeGenContext context, AstOperation operation)
{
IAstNode src0 = operation.GetSource(0);
IAstNode src1 = operation.GetSource(1);
string src0Expr = GetSourceExpr(context, src0, GetSrcVarType(operation.Inst, 0));
string src1Expr = GetSourceExpr(context, src1, GetSrcVarType(operation.Inst, 1));
return $"packHalf2x16(vec2({src0Expr}, {src1Expr}))";
}
public static string UnpackDouble2x32(CodeGenContext context, AstOperation operation)
{
IAstNode src = operation.GetSource(0);
string srcExpr = GetSourceExpr(context, src, GetSrcVarType(operation.Inst, 0));
return $"unpackDouble2x32({srcExpr}){GetMask(operation.Index)}";
}
public static string UnpackHalf2x16(CodeGenContext context, AstOperation operation)
{
IAstNode src = operation.GetSource(0);
string srcExpr = GetSourceExpr(context, src, GetSrcVarType(operation.Inst, 0));
return $"unpackHalf2x16({srcExpr}){GetMask(operation.Index)}";
}
private static string GetMask(int index)
{
return $".{"xy".AsSpan(index, 1)}";
}
}
}
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