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Add support for alpha to coverage dithering (#3069)

* Add support for alpha to coverage dithering

* Shader cache version bump

* Fix wrong alpha register

* Ensure support buffer is cleared

* New shader specialization based approach
This commit is contained in:
gdkchan 2022-07-05 19:58:36 -03:00 committed by GitHub
parent 594246ea47
commit b46b63e06a
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GPG key ID: 4AEE18F83AFDEB23
20 changed files with 217 additions and 34 deletions

View file

@ -60,6 +60,8 @@ namespace Ryujinx.Graphics.GAL
void SetLogicOpState(bool enable, LogicalOp op);
void SetMultisampleState(MultisampleDescriptor multisample);
void SetPatchParameters(int vertices, ReadOnlySpan<float> defaultOuterLevel, ReadOnlySpan<float> defaultInnerLevel);
void SetPointParameters(float size, bool isProgramPointSize, bool enablePointSprite, Origin origin);

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@ -0,0 +1,19 @@
namespace Ryujinx.Graphics.GAL
{
public struct MultisampleDescriptor
{
public bool AlphaToCoverageEnable { get; }
public bool AlphaToCoverageDitherEnable { get; }
public bool AlphaToOneEnable { get; }
public MultisampleDescriptor(
bool alphaToCoverageEnable,
bool alphaToCoverageDitherEnable,
bool alphaToOneEnable)
{
AlphaToCoverageEnable = alphaToCoverageEnable;
AlphaToCoverageDitherEnable = alphaToCoverageDitherEnable;
AlphaToOneEnable = alphaToOneEnable;
}
}
}

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@ -179,6 +179,8 @@ namespace Ryujinx.Graphics.GAL.Multithreading
SetLineParametersCommand.Run(ref GetCommand<SetLineParametersCommand>(memory), threaded, renderer);
_lookup[(int)CommandType.SetLogicOpState] = (Span<byte> memory, ThreadedRenderer threaded, IRenderer renderer) =>
SetLogicOpStateCommand.Run(ref GetCommand<SetLogicOpStateCommand>(memory), threaded, renderer);
_lookup[(int)CommandType.SetMultisampleState] = (Span<byte> memory, ThreadedRenderer threaded, IRenderer renderer) =>
SetMultisampleStateCommand.Run(ref GetCommand<SetMultisampleStateCommand>(memory), threaded, renderer);
_lookup[(int)CommandType.SetPatchParameters] = (Span<byte> memory, ThreadedRenderer threaded, IRenderer renderer) =>
SetPatchParametersCommand.Run(ref GetCommand<SetPatchParametersCommand>(memory), threaded, renderer);
_lookup[(int)CommandType.SetPointParameters] = (Span<byte> memory, ThreadedRenderer threaded, IRenderer renderer) =>

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@ -71,6 +71,7 @@
SetIndexBuffer,
SetLineParameters,
SetLogicOpState,
SetMultisampleState,
SetPatchParameters,
SetPointParameters,
SetPolygonMode,

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@ -0,0 +1,18 @@
namespace Ryujinx.Graphics.GAL.Multithreading.Commands
{
struct SetMultisampleStateCommand : IGALCommand
{
public CommandType CommandType => CommandType.SetMultisampleState;
private MultisampleDescriptor _multisample;
public void Set(MultisampleDescriptor multisample)
{
_multisample = multisample;
}
public static void Run(ref SetMultisampleStateCommand command, ThreadedRenderer threaded, IRenderer renderer)
{
renderer.Pipeline.SetMultisampleState(command._multisample);
}
}
}

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@ -184,6 +184,12 @@ namespace Ryujinx.Graphics.GAL.Multithreading
_renderer.QueueCommand();
}
public void SetMultisampleState(MultisampleDescriptor multisample)
{
_renderer.New<SetMultisampleStateCommand>().Set(multisample);
_renderer.QueueCommand();
}
public void SetPatchParameters(int vertices, ReadOnlySpan<float> defaultOuterLevel, ReadOnlySpan<float> defaultInnerLevel)
{
_renderer.New<SetPatchParametersCommand>().Set(vertices, defaultOuterLevel, defaultInnerLevel);

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@ -18,6 +18,7 @@ namespace Ryujinx.Graphics.GAL
{
_renderer = renderer;
Handle = renderer.CreateBuffer(SupportBuffer.RequiredSize);
renderer.Pipeline.ClearBuffer(Handle, 0, SupportBuffer.RequiredSize, 0);
}
private void MarkDirty(int startOffset, int byteSize)

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@ -166,7 +166,11 @@ namespace Ryujinx.Graphics.Gpu.Engine.Threed
nameof(ThreedClassState.BlendEnable),
nameof(ThreedClassState.BlendState)),
new StateUpdateCallbackEntry(UpdateLogicOpState, nameof(ThreedClassState.LogicOpState))
new StateUpdateCallbackEntry(UpdateLogicOpState, nameof(ThreedClassState.LogicOpState)),
new StateUpdateCallbackEntry(UpdateMultisampleState,
nameof(ThreedClassState.AlphaToCoverageDitherEnable),
nameof(ThreedClassState.MultisampleControl))
});
}
@ -1092,6 +1096,20 @@ namespace Ryujinx.Graphics.Gpu.Engine.Threed
_context.Renderer.Pipeline.SetLogicOpState(logicOpState.Enable, logicOpState.LogicalOp);
}
/// <summary>
/// Updates multisample state, based on guest state.
/// </summary>
private void UpdateMultisampleState()
{
bool alphaToCoverageEnable = (_state.State.MultisampleControl & 1) != 0;
bool alphaToOneEnable = (_state.State.MultisampleControl & 0x10) != 0;
_context.Renderer.Pipeline.SetMultisampleState(new MultisampleDescriptor(
alphaToCoverageEnable,
_state.State.AlphaToCoverageDitherEnable,
alphaToOneEnable));
}
/// <summary>
/// Updates host shaders based on the guest GPU state.
/// </summary>
@ -1231,7 +1249,9 @@ namespace Ryujinx.Graphics.Gpu.Engine.Threed
_state.State.EarlyZForce,
_drawState.Topology,
_state.State.TessMode,
_state.State.ViewportTransformEnable == 0);
_state.State.ViewportTransformEnable == 0,
(_state.State.MultisampleControl & 1) != 0,
_state.State.AlphaToCoverageDitherEnable);
}
/// <summary>

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@ -767,7 +767,8 @@ namespace Ryujinx.Graphics.Gpu.Engine.Threed
public SamplerIndex SamplerIndex;
public fixed uint Reserved1238[37];
public Boolean32 DepthTestEnable;
public fixed uint Reserved12D0[5];
public fixed uint Reserved12D0[4];
public Boolean32 AlphaToCoverageDitherEnable;
public Boolean32 BlendIndependent;
public Boolean32 DepthWriteEnable;
public Boolean32 AlphaTestEnable;
@ -802,9 +803,10 @@ namespace Ryujinx.Graphics.Gpu.Engine.Threed
public Boolean32 PointSpriteEnable;
public fixed uint Reserved1524[3];
public uint ResetCounter;
public uint Reserved1534;
public Boolean32 MultisampleEnable;
public Boolean32 RtDepthStencilEnable;
public fixed uint Reserved153C[5];
public uint MultisampleControl;
public fixed uint Reserved1540[4];
public GpuVa RenderEnableAddress;
public Condition RenderEnableCondition;
public PoolState SamplerPoolState;

View file

@ -167,6 +167,8 @@ namespace Ryujinx.Graphics.Gpu.Shader.Cache
accessorHeader.StateFlags.HasFlag(GuestGpuStateFlags.EarlyZForce),
topology,
tessMode,
false,
false,
false);
TransformFeedbackDescriptor[] tfdNew = null;

View file

@ -67,6 +67,12 @@ namespace Ryujinx.Graphics.Gpu.Shader.DiskCache
return MemoryMarshal.Cast<byte, ulong>(_data.Span.Slice((int)address));
}
/// <inheritdoc/>
public bool QueryAlphaToCoverageDitherEnable()
{
return _oldSpecState.GraphicsState.AlphaToCoverageEnable && _oldSpecState.GraphicsState.AlphaToCoverageDitherEnable;
}
/// <inheritdoc/>
public int QueryBindingConstantBuffer(int index)
{

View file

@ -21,7 +21,7 @@ namespace Ryujinx.Graphics.Gpu.Shader.DiskCache
private const ushort FileFormatVersionMajor = 1;
private const ushort FileFormatVersionMinor = 1;
private const uint FileFormatVersionPacked = ((uint)FileFormatVersionMajor << 16) | FileFormatVersionMinor;
private const uint CodeGenVersion = 3424;
private const uint CodeGenVersion = 3069;
private const string SharedTocFileName = "shared.toc";
private const string SharedDataFileName = "shared.data";

View file

@ -66,6 +66,12 @@ namespace Ryujinx.Graphics.Gpu.Shader
return MemoryMarshal.Cast<byte, ulong>(_channel.MemoryManager.GetSpan(address, size));
}
/// <inheritdoc/>
public bool QueryAlphaToCoverageDitherEnable()
{
return _state.GraphicsState.AlphaToCoverageEnable && _state.GraphicsState.AlphaToCoverageDitherEnable;
}
/// <inheritdoc/>
public int QueryBindingConstantBuffer(int index)
{

View file

@ -30,6 +30,16 @@ namespace Ryujinx.Graphics.Gpu.Shader
/// </summary>
public readonly bool ViewportTransformDisable;
/// <summary>
/// Indicates whenever alpha-to-coverage is enabled.
/// </summary>
public readonly bool AlphaToCoverageEnable;
/// <summary>
/// Indicates whenever alpha-to-coverage dithering is enabled.
/// </summary>
public readonly bool AlphaToCoverageDitherEnable;
/// <summary>
/// Creates a new GPU graphics state.
/// </summary>
@ -37,12 +47,22 @@ namespace Ryujinx.Graphics.Gpu.Shader
/// <param name="topology">Primitive topology</param>
/// <param name="tessellationMode">Tessellation mode</param>
/// <param name="viewportTransformDisable">Indicates whenever the viewport transform is disabled</param>
public GpuChannelGraphicsState(bool earlyZForce, PrimitiveTopology topology, TessMode tessellationMode, bool viewportTransformDisable)
/// <param name="alphaToCoverageEnable">Indicates whenever alpha-to-coverage is enabled</param>
/// <param name="alphaToCoverageDitherEnable">Indicates whenever alpha-to-coverage dithering is enabled</param>
public GpuChannelGraphicsState(
bool earlyZForce,
PrimitiveTopology topology,
TessMode tessellationMode,
bool viewportTransformDisable,
bool alphaToCoverageEnable,
bool alphaToCoverageDitherEnable)
{
EarlyZForce = earlyZForce;
Topology = topology;
TessellationMode = tessellationMode;
ViewportTransformDisable = viewportTransformDisable;
AlphaToCoverageEnable = alphaToCoverageEnable;
AlphaToCoverageDitherEnable = alphaToCoverageDitherEnable;
}
}
}

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@ -455,6 +455,14 @@ namespace Ryujinx.Graphics.Gpu.Shader
return false;
}
bool thisA2cDitherEnable = GraphicsState.AlphaToCoverageEnable && GraphicsState.AlphaToCoverageDitherEnable;
bool otherA2cDitherEnable = graphicsState.AlphaToCoverageEnable && graphicsState.AlphaToCoverageDitherEnable;
if (otherA2cDitherEnable != thisA2cDitherEnable)
{
return false;
}
return Matches(channel, poolState, checkTextures, isCompute: false);
}

View file

@ -5,19 +5,20 @@ namespace Ryujinx.Graphics.OpenGL
{
static class HwCapabilities
{
private static readonly Lazy<bool> _supportsAstcCompression = new Lazy<bool>(() => HasExtension("GL_KHR_texture_compression_astc_ldr"));
private static readonly Lazy<bool> _supportsDrawTexture = new Lazy<bool>(() => HasExtension("GL_NV_draw_texture"));
private static readonly Lazy<bool> _supportsFragmentShaderInterlock = new Lazy<bool>(() => HasExtension("GL_ARB_fragment_shader_interlock"));
private static readonly Lazy<bool> _supportsFragmentShaderOrdering = new Lazy<bool>(() => HasExtension("GL_INTEL_fragment_shader_ordering"));
private static readonly Lazy<bool> _supportsImageLoadFormatted = new Lazy<bool>(() => HasExtension("GL_EXT_shader_image_load_formatted"));
private static readonly Lazy<bool> _supportsIndirectParameters = new Lazy<bool>(() => HasExtension("GL_ARB_indirect_parameters"));
private static readonly Lazy<bool> _supportsParallelShaderCompile = new Lazy<bool>(() => HasExtension("GL_ARB_parallel_shader_compile"));
private static readonly Lazy<bool> _supportsPolygonOffsetClamp = new Lazy<bool>(() => HasExtension("GL_EXT_polygon_offset_clamp"));
private static readonly Lazy<bool> _supportsQuads = new Lazy<bool>(SupportsQuadsCheck);
private static readonly Lazy<bool> _supportsSeamlessCubemapPerTexture = new Lazy<bool>(() => HasExtension("GL_ARB_seamless_cubemap_per_texture"));
private static readonly Lazy<bool> _supportsShaderBallot = new Lazy<bool>(() => HasExtension("GL_ARB_shader_ballot"));
private static readonly Lazy<bool> _supportsTextureShadowLod = new Lazy<bool>(() => HasExtension("GL_EXT_texture_shadow_lod"));
private static readonly Lazy<bool> _supportsViewportSwizzle = new Lazy<bool>(() => HasExtension("GL_NV_viewport_swizzle"));
private static readonly Lazy<bool> _supportsAlphaToCoverageDitherControl = new Lazy<bool>(() => HasExtension("GL_NV_alpha_to_coverage_dither_control"));
private static readonly Lazy<bool> _supportsAstcCompression = new Lazy<bool>(() => HasExtension("GL_KHR_texture_compression_astc_ldr"));
private static readonly Lazy<bool> _supportsDrawTexture = new Lazy<bool>(() => HasExtension("GL_NV_draw_texture"));
private static readonly Lazy<bool> _supportsFragmentShaderInterlock = new Lazy<bool>(() => HasExtension("GL_ARB_fragment_shader_interlock"));
private static readonly Lazy<bool> _supportsFragmentShaderOrdering = new Lazy<bool>(() => HasExtension("GL_INTEL_fragment_shader_ordering"));
private static readonly Lazy<bool> _supportsImageLoadFormatted = new Lazy<bool>(() => HasExtension("GL_EXT_shader_image_load_formatted"));
private static readonly Lazy<bool> _supportsIndirectParameters = new Lazy<bool>(() => HasExtension("GL_ARB_indirect_parameters"));
private static readonly Lazy<bool> _supportsParallelShaderCompile = new Lazy<bool>(() => HasExtension("GL_ARB_parallel_shader_compile"));
private static readonly Lazy<bool> _supportsPolygonOffsetClamp = new Lazy<bool>(() => HasExtension("GL_EXT_polygon_offset_clamp"));
private static readonly Lazy<bool> _supportsQuads = new Lazy<bool>(SupportsQuadsCheck);
private static readonly Lazy<bool> _supportsSeamlessCubemapPerTexture = new Lazy<bool>(() => HasExtension("GL_ARB_seamless_cubemap_per_texture"));
private static readonly Lazy<bool> _supportsShaderBallot = new Lazy<bool>(() => HasExtension("GL_ARB_shader_ballot"));
private static readonly Lazy<bool> _supportsTextureShadowLod = new Lazy<bool>(() => HasExtension("GL_EXT_texture_shadow_lod"));
private static readonly Lazy<bool> _supportsViewportSwizzle = new Lazy<bool>(() => HasExtension("GL_NV_viewport_swizzle"));
private static readonly Lazy<int> _maximumComputeSharedMemorySize = new Lazy<int>(() => GetLimit(All.MaxComputeSharedMemorySize));
private static readonly Lazy<int> _storageBufferOffsetAlignment = new Lazy<int>(() => GetLimit(All.ShaderStorageBufferOffsetAlignment));
@ -43,19 +44,20 @@ namespace Ryujinx.Graphics.OpenGL
public static bool UsePersistentBufferForFlush => _gpuVendor.Value == GpuVendor.AmdWindows || _gpuVendor.Value == GpuVendor.Nvidia;
public static bool SupportsAstcCompression => _supportsAstcCompression.Value;
public static bool SupportsDrawTexture => _supportsDrawTexture.Value;
public static bool SupportsFragmentShaderInterlock => _supportsFragmentShaderInterlock.Value;
public static bool SupportsFragmentShaderOrdering => _supportsFragmentShaderOrdering.Value;
public static bool SupportsImageLoadFormatted => _supportsImageLoadFormatted.Value;
public static bool SupportsIndirectParameters => _supportsIndirectParameters.Value;
public static bool SupportsParallelShaderCompile => _supportsParallelShaderCompile.Value;
public static bool SupportsPolygonOffsetClamp => _supportsPolygonOffsetClamp.Value;
public static bool SupportsQuads => _supportsQuads.Value;
public static bool SupportsSeamlessCubemapPerTexture => _supportsSeamlessCubemapPerTexture.Value;
public static bool SupportsShaderBallot => _supportsShaderBallot.Value;
public static bool SupportsTextureShadowLod => _supportsTextureShadowLod.Value;
public static bool SupportsViewportSwizzle => _supportsViewportSwizzle.Value;
public static bool SupportsAlphaToCoverageDitherControl => _supportsAlphaToCoverageDitherControl.Value;
public static bool SupportsAstcCompression => _supportsAstcCompression.Value;
public static bool SupportsDrawTexture => _supportsDrawTexture.Value;
public static bool SupportsFragmentShaderInterlock => _supportsFragmentShaderInterlock.Value;
public static bool SupportsFragmentShaderOrdering => _supportsFragmentShaderOrdering.Value;
public static bool SupportsImageLoadFormatted => _supportsImageLoadFormatted.Value;
public static bool SupportsIndirectParameters => _supportsIndirectParameters.Value;
public static bool SupportsParallelShaderCompile => _supportsParallelShaderCompile.Value;
public static bool SupportsPolygonOffsetClamp => _supportsPolygonOffsetClamp.Value;
public static bool SupportsQuads => _supportsQuads.Value;
public static bool SupportsSeamlessCubemapPerTexture => _supportsSeamlessCubemapPerTexture.Value;
public static bool SupportsShaderBallot => _supportsShaderBallot.Value;
public static bool SupportsTextureShadowLod => _supportsTextureShadowLod.Value;
public static bool SupportsViewportSwizzle => _supportsViewportSwizzle.Value;
public static bool SupportsMismatchingViewFormat => _gpuVendor.Value != GpuVendor.AmdWindows && _gpuVendor.Value != GpuVendor.IntelWindows;
public static bool SupportsNonConstantTextureOffset => _gpuVendor.Value == GpuVendor.Nvidia;

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@ -918,6 +918,34 @@ namespace Ryujinx.Graphics.OpenGL
}
}
public void SetMultisampleState(MultisampleDescriptor multisample)
{
if (multisample.AlphaToCoverageEnable)
{
GL.Enable(EnableCap.SampleAlphaToCoverage);
if (multisample.AlphaToOneEnable)
{
GL.Enable(EnableCap.SampleAlphaToOne);
}
else
{
GL.Disable(EnableCap.SampleAlphaToOne);
}
if (HwCapabilities.SupportsAlphaToCoverageDitherControl)
{
GL.NV.AlphaToCoverageDitherControl(multisample.AlphaToCoverageDitherEnable
? NvAlphaToCoverageDitherControl.AlphaToCoverageDitherEnableNv
: NvAlphaToCoverageDitherControl.AlphaToCoverageDitherDisableNv);
}
}
else
{
GL.Disable(EnableCap.SampleAlphaToCoverage);
}
}
public void SetLineParameters(float width, bool smooth)
{
if (smooth)

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@ -34,6 +34,15 @@ namespace Ryujinx.Graphics.Shader
/// <returns>Span of the memory location</returns>
ReadOnlySpan<ulong> GetCode(ulong address, int minimumSize);
/// <summary>
/// Queries whenever the alpha-to-coverage dithering feature is enabled.
/// </summary>
/// <returns>True if the feature is enabled, false otherwise</returns>
bool QueryAlphaToCoverageDitherEnable()
{
return false;
}
/// <summary>
/// Queries the binding number of a constant buffer.
/// </summary>

View file

@ -205,6 +205,8 @@ namespace Ryujinx.Graphics.Shader.Translation
}
else if (Config.Stage == ShaderStage.Fragment)
{
GenerateAlphaToCoverageDitherDiscard();
if (Config.OmapDepth)
{
Operand dest = Attribute(AttributeConsts.FragmentOutputDepth);
@ -266,6 +268,35 @@ namespace Ryujinx.Graphics.Shader.Translation
}
}
private void GenerateAlphaToCoverageDitherDiscard()
{
// If the feature is disabled, or alpha is not written, then we're done.
if (!Config.GpuAccessor.QueryAlphaToCoverageDitherEnable() || (Config.OmapTargets & 8) == 0)
{
return;
}
// 11 11 11 10 10 10 10 00
// 11 01 01 01 01 00 00 00
Operand ditherMask = Const(unchecked((int)0xfbb99110u));
Operand x = this.BitwiseAnd(this.FP32ConvertToU32(Attribute(AttributeConsts.PositionX)), Const(1));
Operand y = this.BitwiseAnd(this.FP32ConvertToU32(Attribute(AttributeConsts.PositionY)), Const(1));
Operand xy = this.BitwiseOr(x, this.ShiftLeft(y, Const(1)));
Operand alpha = Register(3, RegisterType.Gpr);
Operand scaledAlpha = this.FPMultiply(this.FPSaturate(alpha), ConstF(8));
Operand quantizedAlpha = this.IMinimumU32(this.FP32ConvertToU32(scaledAlpha), Const(7));
Operand shift = this.BitwiseOr(this.ShiftLeft(quantizedAlpha, Const(2)), xy);
Operand opaque = this.BitwiseAnd(this.ShiftRightU32(ditherMask, shift), Const(1));
Operand a2cDitherEndLabel = Label();
this.BranchIfTrue(a2cDitherEndLabel, opaque);
this.Discard();
this.MarkLabel(a2cDitherEndLabel);
}
public Operation[] GetOperations()
{
return _operations.ToArray();