Ryujinx/Ryujinx.Graphics.Shader/CodeGen/Glsl/Instructions/InstGenBallot.cs
gdkchan f08a280ade
Use shader subgroup extensions if shader ballot is not supported (#2627)
* Use shader subgroup extensions if shader ballot is not supported

* Shader cache version bump + cleanup

* The type is still required on the table
2021-09-19 14:38:39 +02:00

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815 B
C#

using Ryujinx.Graphics.Shader.StructuredIr;
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 InstGenBallot
{
public static string Ballot(CodeGenContext context, AstOperation operation)
{
VariableType dstType = GetSrcVarType(operation.Inst, 0);
string arg = GetSoureExpr(context, operation.GetSource(0), dstType);
if (context.Config.GpuAccessor.QueryHostSupportsShaderBallot())
{
return $"unpackUint2x32(ballotARB({arg})).x";
}
else
{
return $"subgroupBallot({arg}).x";
}
}
}
}