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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
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GPG key ID: 4AEE18F83AFDEB23
42 changed files with 775 additions and 148 deletions
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3
Ryujinx.Graphics.Gpu/Engine/Compute/ComputeClass.cs
View file

@ -129,7 +129,8 @@ namespace Ryujinx.Graphics.Gpu.Engine.Compute
_state.State.SetTexHeaderPoolCMaximumIndex,
_state.State.SetBindlessTextureConstantBufferSlotSelect,
false,
PrimitiveTopology.Points);
PrimitiveTopology.Points,
default);
ShaderBundle cs = memoryManager.Physical.ShaderCache.GetComputeShader(
_channel,

31
Ryujinx.Graphics.Gpu/Engine/Threed/StateUpdater.cs
View file

@ -72,6 +72,11 @@ namespace Ryujinx.Graphics.Gpu.Engine.Threed
nameof(ThreedClassState.VertexBufferState),
nameof(ThreedClassState.VertexBufferEndAddress)),
new StateUpdateCallbackEntry(UpdateTessellationState,
nameof(ThreedClassState.TessOuterLevel),
nameof(ThreedClassState.TessInnerLevel),
nameof(ThreedClassState.PatchVertices)),
new StateUpdateCallbackEntry(UpdateTfBufferState, nameof(ThreedClassState.TfBufferState)),
new StateUpdateCallbackEntry(UpdateUserClipState, nameof(ThreedClassState.ClipDistanceEnable)),
@ -100,6 +105,10 @@ namespace Ryujinx.Graphics.Gpu.Engine.Threed
nameof(ThreedClassState.ViewportExtents),
nameof(ThreedClassState.YControl)),
new StateUpdateCallbackEntry(UpdatePolygonMode,
nameof(ThreedClassState.PolygonModeFront),
nameof(ThreedClassState.PolygonModeBack)),
new StateUpdateCallbackEntry(UpdateDepthBiasState,
nameof(ThreedClassState.DepthBiasState),
nameof(ThreedClassState.DepthBiasFactor),
@ -259,6 +268,17 @@ namespace Ryujinx.Graphics.Gpu.Engine.Threed
}
}
/// <summary>
/// Updates tessellation state based on the guest GPU state.
/// </summary>
private void UpdateTessellationState()
{
_context.Renderer.Pipeline.SetPatchParameters(
_state.State.PatchVertices,
_state.State.TessOuterLevel.ToSpan(),
_state.State.TessInnerLevel.ToSpan());
}
/// <summary>
/// Updates transform feedback buffer state based on the guest GPU state.
/// </summary>
@ -544,6 +564,14 @@ namespace Ryujinx.Graphics.Gpu.Engine.Threed
_context.Renderer.Pipeline.SetViewports(0, viewports);
}
/// <summary>
/// Updates polygon mode state based on current GPU state.
/// </summary>
private void UpdatePolygonMode()
{
_context.Renderer.Pipeline.SetPolygonMode(_state.State.PolygonModeFront, _state.State.PolygonModeBack);
}
/// <summary>
/// Updates host depth bias (also called polygon offset) state based on current GPU state.
/// </summary>
@ -949,7 +977,8 @@ namespace Ryujinx.Graphics.Gpu.Engine.Threed
_state.State.TexturePoolState.MaximumId,
(int)_state.State.TextureBufferIndex,
_state.State.EarlyZForce,
_drawState.Topology);
_drawState.Topology,
_state.State.TessMode);
ShaderBundle gs = _channel.MemoryManager.Physical.ShaderCache.GetGraphicsShader(ref _state.State, _channel, gas, addresses);

53
Ryujinx.Graphics.Gpu/Engine/Threed/ThreedClassState.cs
View file

@ -3,6 +3,7 @@ using Ryujinx.Graphics.GAL;
using Ryujinx.Graphics.Gpu.Engine.InlineToMemory;
using Ryujinx.Graphics.Gpu.Engine.Types;
using Ryujinx.Graphics.Gpu.Image;
using Ryujinx.Graphics.Shader;
using System;
namespace Ryujinx.Graphics.Gpu.Engine.Threed
@ -19,6 +20,43 @@ namespace Ryujinx.Graphics.Gpu.Engine.Threed
Fragment
}
/// <summary>
/// Tessellation mode.
/// </summary>
struct TessMode
{
#pragma warning disable CS0649
public uint Packed;
#pragma warning restore CS0649
/// <summary>
/// Unpacks the tessellation abstract patch type.
/// </summary>
/// <returns>Abtract patch type</returns>
public TessPatchType UnpackPatchType()
{
return (TessPatchType)(Packed & 3);
}
/// <summary>
/// Unpacks the spacing between tessellated vertices of the patch.
/// </summary>
/// <returns>Spacing between tessellated vertices</returns>
public TessSpacing UnpackSpacing()
{
return (TessSpacing)((Packed >> 4) & 3);
}
/// <summary>
/// Unpacks the primitive winding order.
/// </summary>
/// <returns>True if clockwise, false if counter-clockwise</returns>
public bool UnpackCw()
{
return (Packed & (1 << 8)) != 0;
}
}
/// <summary>
/// Transform feedback buffer state.
/// </summary>
@ -661,7 +699,11 @@ namespace Ryujinx.Graphics.Gpu.Engine.Threed
public Boolean32 EarlyZForce;
public fixed uint Reserved214[45];
public uint SyncpointAction;
public fixed uint Reserved2CC[44];
public fixed uint Reserved2CC[21];
public TessMode TessMode;
public Array4<float> TessOuterLevel;
public Array2<float> TessInnerLevel;
public fixed uint Reserved33C[16];
public Boolean32 RasterizeEnable;
public Array4<TfBufferState> TfBufferState;
public fixed uint Reserved400[192];
@ -679,9 +721,14 @@ namespace Ryujinx.Graphics.Gpu.Engine.Threed
public float ClearDepthValue;
public fixed uint ReservedD94[3];
public uint ClearStencilValue;
public fixed uint ReservedDA4[7];
public fixed uint ReservedDA4[2];
public PolygonMode PolygonModeFront;
public PolygonMode PolygonModeBack;
public Boolean32 PolygonSmoothEnable;
public fixed uint ReservedDB8[2];
public DepthBiasState DepthBiasState;
public fixed uint ReservedDCC[5];
public int PatchVertices;
public fixed uint ReservedDD0[4];
public uint TextureBarrier;
public fixed uint ReservedDE4[7];
public Array16<ScissorState> ScissorState;