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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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24
Ryujinx.Graphics.Gpu/Engine/Threed/StateUpdater.cs
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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>