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Initial tessellation shader support (#2534)

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* Initial tessellation shader support

* Nits

* Re-arrange built-in table

* This is not needed anymore

* PR feedback
This commit is contained in:
gdkchan
2021-10-18 18:38:04 -03:00
committed by GitHub
parent 7603dbe3c8
commit d512ce122c
42 changed files with 775 additions and 148 deletions
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20
Ryujinx.Graphics.Shader/Instructions/InstEmitMove.cs
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@ -79,6 +79,10 @@ namespace Ryujinx.Graphics.Shader.Instructions
src = Attribute(AttributeConsts.LaneId);
break;
case SReg.InvocationId:
src = Attribute(AttributeConsts.InvocationId);
break;
case SReg.YDirection:
src = ConstF(1); // TODO: Use value from Y direction GPU register.
break;
@ -87,6 +91,22 @@ namespace Ryujinx.Graphics.Shader.Instructions
src = context.Config.Stage == ShaderStage.Fragment ? Attribute(AttributeConsts.ThreadKill) : Const(0);
break;
case SReg.InvocationInfo:
if (context.Config.Stage != ShaderStage.Compute && context.Config.Stage != ShaderStage.Fragment)
{
Operand primitiveId = Attribute(AttributeConsts.PrimitiveId);
Operand patchVerticesIn = Attribute(AttributeConsts.PatchVerticesIn);
patchVerticesIn = context.ShiftLeft(patchVerticesIn, Const(16));
src = context.BitwiseOr(primitiveId, patchVerticesIn);
}
else
{
src = Const(0);
}
break;
case SReg.TId:
Operand tidX = Attribute(AttributeConsts.ThreadIdX);
Operand tidY = Attribute(AttributeConsts.ThreadIdY);