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Implement Viewport Transform Disable (#3328)

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* Initial implementation (no specialization)

* Use specialization

* Fix render scale, increase code gen version

* Revert accidental change

* Address Feedback
This commit is contained in:
riperiperi
2022-05-12 14:47:13 +01:00
committed by GitHub
parent 92ca1cb0cb
commit 43b4b34376
24 changed files with 200 additions and 26 deletions
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49
Ryujinx.Graphics.Shader/Translation/EmitterContext.cs
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@ -154,9 +154,56 @@ namespace Ryujinx.Graphics.Shader.Translation
return label;
}
public void PrepareForVertexReturn()
{
if (Config.GpuAccessor.QueryViewportTransformDisable())
{
Operand x = Attribute(AttributeConsts.PositionX | AttributeConsts.LoadOutputMask);
Operand y = Attribute(AttributeConsts.PositionY | AttributeConsts.LoadOutputMask);
Operand xScale = Attribute(AttributeConsts.SupportBlockViewInverseX);
Operand yScale = Attribute(AttributeConsts.SupportBlockViewInverseY);
Operand negativeOne = ConstF(-1.0f);
this.Copy(Attribute(AttributeConsts.PositionX), this.FPFusedMultiplyAdd(x, xScale, negativeOne));
this.Copy(Attribute(AttributeConsts.PositionY), this.FPFusedMultiplyAdd(y, yScale, negativeOne));
}
}
public void PrepareForVertexReturn(out Operand oldXLocal, out Operand oldYLocal, out Operand oldZLocal)
{
if (Config.GpuAccessor.QueryViewportTransformDisable())
{
oldXLocal = Local();
this.Copy(oldXLocal, Attribute(AttributeConsts.PositionX | AttributeConsts.LoadOutputMask));
oldYLocal = Local();
this.Copy(oldYLocal, Attribute(AttributeConsts.PositionY | AttributeConsts.LoadOutputMask));
}
else
{
oldXLocal = null;
oldYLocal = null;
}
// Will be used by Vulkan backend for depth mode emulation.
oldZLocal = null;
PrepareForVertexReturn();
}
public void PrepareForReturn()
{
if (!IsNonMain && Config.Stage == ShaderStage.Fragment)
if (IsNonMain)
{
return;
}
if (Config.LastInVertexPipeline &&
(Config.Stage == ShaderStage.Vertex || Config.Stage == ShaderStage.TessellationEvaluation) &&
(Config.Options.Flags & TranslationFlags.VertexA) == 0)
{
PrepareForVertexReturn();
}
else if (Config.Stage == ShaderStage.Fragment)
{
if (Config.OmapDepth)
{