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Fix blend with RGBX color formats (#3553)

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gdkchan 2022-08-11 18:23:25 -03:00 • committed by GitHub
parent a5ff0024fb
commit ad47bd2d4e
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5 changed files with 117 additions and 85 deletions
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111
Ryujinx.Graphics.Gpu/Engine/Threed/StateUpdater.cs
View file

@ -42,6 +42,8 @@ namespace Ryujinx.Graphics.Gpu.Engine.Threed
private uint _prevFirstVertex;
private bool _prevTfEnable;
private uint _prevRtNoAlphaMask;
/// <summary>
/// Creates a new instance of the state updater.
/// </summary>
@ -398,6 +400,7 @@ namespace Ryujinx.Graphics.Gpu.Engine.Threed
int clipRegionHeight = int.MaxValue;
bool changedScale = false;
uint rtNoAlphaMask = 0;
for (int index = 0; index < Constants.TotalRenderTargets; index++)
{
@ -412,6 +415,11 @@ namespace Ryujinx.Graphics.Gpu.Engine.Threed
continue;
}
if (colorState.Format.NoAlpha())
{
rtNoAlphaMask |= 1u << index;
}
Image.Texture color = memoryManager.Physical.TextureCache.FindOrCreateTexture(
memoryManager,
colorState,
@ -485,6 +493,13 @@ namespace Ryujinx.Graphics.Gpu.Engine.Threed
}
_channel.TextureManager.SetClipRegion(clipRegionWidth, clipRegionHeight);
if (useControl && _prevRtNoAlphaMask != rtNoAlphaMask)
{
_prevRtNoAlphaMask = rtNoAlphaMask;
UpdateBlendState();
}
}
/// <summary>
@ -1056,44 +1071,80 @@ namespace Ryujinx.Graphics.Gpu.Engine.Threed
bool blendIndependent = _state.State.BlendIndependent;
ColorF blendConstant = _state.State.BlendConstant;
for (int index = 0; index < Constants.TotalRenderTargets; index++)
if (blendIndependent)
{
BlendDescriptor descriptor;
if (blendIndependent)
for (int index = 0; index < Constants.TotalRenderTargets; index++)
{
bool enable = _state.State.BlendEnable[index];
var blend = _state.State.BlendState[index];
descriptor = new BlendDescriptor(
var descriptor = new BlendDescriptor(
enable,
blendConstant,
blend.ColorOp,
blend.ColorSrcFactor,
blend.ColorDstFactor,
FilterBlendFactor(blend.ColorSrcFactor, index),
FilterBlendFactor(blend.ColorDstFactor, index),
blend.AlphaOp,
blend.AlphaSrcFactor,
blend.AlphaDstFactor);
}
else
{
bool enable = _state.State.BlendEnable[0];
var blend = _state.State.BlendStateCommon;
FilterBlendFactor(blend.AlphaSrcFactor, index),
FilterBlendFactor(blend.AlphaDstFactor, index));
descriptor = new BlendDescriptor(
enable,
blendConstant,
blend.ColorOp,
blend.ColorSrcFactor,
blend.ColorDstFactor,
blend.AlphaOp,
blend.AlphaSrcFactor,
blend.AlphaDstFactor);
_pipeline.BlendDescriptors[index] = descriptor;
_context.Renderer.Pipeline.SetBlendState(index, descriptor);
}
_pipeline.BlendDescriptors[index] = descriptor;
_context.Renderer.Pipeline.SetBlendState(index, descriptor);
}
else
{
bool enable = _state.State.BlendEnable[0];
var blend = _state.State.BlendStateCommon;
var descriptor = new BlendDescriptor(
enable,
blendConstant,
blend.ColorOp,
FilterBlendFactor(blend.ColorSrcFactor, 0),
FilterBlendFactor(blend.ColorDstFactor, 0),
blend.AlphaOp,
FilterBlendFactor(blend.AlphaSrcFactor, 0),
FilterBlendFactor(blend.AlphaDstFactor, 0));
for (int index = 0; index < Constants.TotalRenderTargets; index++)
{
_pipeline.BlendDescriptors[index] = descriptor;
_context.Renderer.Pipeline.SetBlendState(index, descriptor);
}
}
}
/// <summary>
/// Gets a blend factor for the color target currently.
/// This will return <paramref name="factor"/> unless the target format has no alpha component,
/// in which case it will replace destination alpha factor with a constant factor of one or zero.
/// </summary>
/// <param name="factor">Input factor</param>
/// <param name="index">Color target index</param>
/// <returns>New blend factor</returns>
private BlendFactor FilterBlendFactor(BlendFactor factor, int index)
{
// If any color target format without alpha is being used, we need to make sure that
// if blend is active, it will not use destination alpha as a factor.
// That is required because RGBX formats are emulated using host RGBA formats.
if (_state.State.RtColorState[index].Format.NoAlpha())
{
switch (factor)
{
case BlendFactor.DstAlpha:
case BlendFactor.DstAlphaGl:
factor = BlendFactor.One;
break;
case BlendFactor.OneMinusDstAlpha:
case BlendFactor.OneMinusDstAlphaGl:
factor = BlendFactor.Zero;
break;
}
}
return factor;
}
/// <summary>
@ -1242,6 +1293,10 @@ namespace Ryujinx.Graphics.Gpu.Engine.Threed
_channel.BufferManager.SetGraphicsUniformBufferBindings(stage, info.CBuffers);
}
/// <summary>
/// Gets the current texture pool state.
/// </summary>
/// <returns>Texture pool state</returns>
private GpuChannelPoolState GetPoolState()
{
return new GpuChannelPoolState(
@ -1286,6 +1341,10 @@ namespace Ryujinx.Graphics.Gpu.Engine.Threed
ref attributeTypes);
}
/// <summary>
/// Gets the depth mode that is currently being used (zero to one or minus one to one).
/// </summary>
/// <returns>Current depth mode</returns>
private DepthMode GetDepthMode()
{
ref var transform = ref _state.State.ViewportTransform[0];

33
Ryujinx.Graphics.Gpu/Engine/Types/ColorFormat.cs
View file

@ -124,11 +124,42 @@ namespace Ryujinx.Graphics.Gpu.Engine.Types
ColorFormat.R8Snorm => new FormatInfo(Format.R8Snorm, 1, 1, 1, 1),
ColorFormat.R8Sint => new FormatInfo(Format.R8Sint, 1, 1, 1, 1),
ColorFormat.R8Uint => new FormatInfo(Format.R8Uint, 1, 1, 1, 1),
ColorFormat.B5G5R5X1Unorm => new FormatInfo(Format.B5G5R5X1Unorm, 1, 1, 2, 4),
ColorFormat.B5G5R5X1Unorm => new FormatInfo(Format.B5G5R5A1Unorm, 1, 1, 2, 4),
ColorFormat.R8G8B8X8Unorm => new FormatInfo(Format.R8G8B8A8Unorm, 1, 1, 4, 4),
ColorFormat.R8G8B8X8Srgb => new FormatInfo(Format.R8G8B8A8Srgb, 1, 1, 4, 4),
_ => FormatInfo.Default
};
}
/// <summary>
/// Checks if a format has an alpha component.
/// </summary>
/// <param name="format">Format to be checked</param>
/// <returns>True if the format has no alpha component (RGBX), false if it does (RGBA)</returns>
public static bool NoAlpha(this ColorFormat format)
{
switch (format)
{
case ColorFormat.R32G32B32X32Float:
case ColorFormat.R32G32B32X32Sint:
case ColorFormat.R32G32B32X32Uint:
case ColorFormat.R16G16B16X16Unorm:
case ColorFormat.R16G16B16X16Snorm:
case ColorFormat.R16G16B16X16Sint:
case ColorFormat.R16G16B16X16Uint:
case ColorFormat.R16G16B16X16Float:
case ColorFormat.R8G8B8X8Snorm:
case ColorFormat.R8G8B8X8Sint:
case ColorFormat.R8G8B8X8Uint:
case ColorFormat.B8G8R8X8Unorm:
case ColorFormat.B8G8R8X8Srgb:
case ColorFormat.B5G5R5X1Unorm:
case ColorFormat.R8G8B8X8Unorm:
case ColorFormat.R8G8B8X8Srgb:
return true;
}
return false;
}
}
}