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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
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GPG key ID: 4AEE18F83AFDEB23
24 changed files with 200 additions and 26 deletions
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3
Ryujinx.Graphics.Shader/Translation/AttributeConsts.cs
View file

@ -67,6 +67,9 @@ namespace Ryujinx.Graphics.Shader.Translation
public const int FragmentOutputIsBgraBase = 0x1000100;
public const int FragmentOutputIsBgraEnd = FragmentOutputIsBgraBase + 8 * 4;
public const int SupportBlockViewInverseX = 0x1000200;
public const int SupportBlockViewInverseY = 0x1000204;
public const int ThreadIdX = 0x2000000;
public const int ThreadIdY = 0x2000004;
public const int ThreadIdZ = 0x2000008;

49
Ryujinx.Graphics.Shader/Translation/EmitterContext.cs
View file

@ -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)
{

7
Ryujinx.Graphics.Shader/Translation/ShaderConfig.cs
View file

@ -14,6 +14,7 @@ namespace Ryujinx.Graphics.Shader.Translation
public ShaderStage Stage { get; }
public bool GpPassthrough { get; }
public bool LastInVertexPipeline { get; private set; }
public int ThreadsPerInputPrimitive { get; }
@ -135,6 +136,7 @@ namespace Ryujinx.Graphics.Shader.Translation
OmapSampleMask = header.OmapSampleMask;
OmapDepth = header.OmapDepth;
TransformFeedbackEnabled = gpuAccessor.QueryTransformFeedbackEnabled();
LastInVertexPipeline = header.Stage < ShaderStage.Fragment;
}
public int GetDepthRegister()
@ -274,6 +276,11 @@ namespace Ryujinx.Graphics.Shader.Translation
NextInputAttributesPerPatchComponents = config.ThisInputAttributesPerPatchComponents;
NextUsesFixedFuncAttributes = config.UsedFeatures.HasFlag(FeatureFlags.FixedFuncAttr);
MergeOutputUserAttributes(config.UsedInputAttributes, config.UsedInputAttributesPerPatch);
if (config.Stage != ShaderStage.Fragment)
{
LastInVertexPipeline = false;
}
}
public void MergeOutputUserAttributes(int mask, int maskPerPatch)