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Add support for alpha to coverage dithering (#3069)

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* 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
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22
Ryujinx.Graphics.Gpu/Shader/GpuChannelGraphicsState.cs
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@ -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;
}
}
}